JPH0354102Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present application relates to insulating clothing for live line work that is worn by workers when working on live lines such as distribution lines on the ground or on poles.

Conventional technology and problems In general, when working on live wires such as distribution lines on the ground or on a pole, insulating clothing is worn to prevent electric shock. , the front and back sides of a stack of 5 to 10 sheets of thin polyethylene or other resin films are covered with a nylon base cloth coated or impregnated with urethane resin for reinforcement, and the ends are welded together using a welder, etc. It was configured as follows.

However, the current commercially available products mentioned above retain their flexibility by stacking multiple thin resin films, but due to the multiple layers, it is extremely difficult to weld the entire terminal uniformly and reliably. However, there is often a risk that part of the welder will peel off during the period of use, and if moisture infiltrates into the multilayer due to this peeling or surface abrasion, it will hardly dry, so the electrical resistance There is a risk of deteriorating the performance, and according to the inventor's experience, since the inside is made of a thin resin film, when a strong impact force is applied from the outside of the insulation jacket, the relatively strong surface layer can be damaged. Even if no damage is observed, there is damage to the internal resin film, and this damage cannot be confirmed through routine visual inspection, resulting in a defect that significantly impairs safety and reliability.

On the other hand, instead of the multilayer insulation clothing currently available on the market,
When this is constructed from a single layer, there is no moisture intrusion due to peeling or wear of the welder, which prevents the risk of impairing electrical resistance, and damage caused by collision force is visible, making it easy to confirm safety. On the other hand, in order to obtain the required degree of insulation, the material that makes up the insulation clothing becomes thicker, which impairs flexibility and restricts the bending and stretching movements of the body, especially the shoulders and elbows, impairing work efficiency. have a defect.

Means to Solve the Problem Therefore, the present application consists of ring-shaped unevenness parallel to the longitudinal direction of the sleeve at the shoulders and elbows of a single-layer insulating garment made of an appropriate insulating material, and the unevenness is placed on the back side. The above-mentioned defects of the conventional device are improved by forming a bellows-shaped expansion/contraction portion that is deep and shallow or disappears on the front side.

Function: When working on live wires, the insulating clothing of the present invention is worn over work clothes, and the work is carried out on the ground or on a pole. When the body is bent and stretched, the stretchable portion expands and contracts in accordance with the bending and stretching motion.

Embodiments Below, embodiments of the present application will be described in detail with drawings: 1
1 shows an insulating garment with a well-known shape having sleeves 2. This insulating garment 1 is made of flexible synthetic resin or rubber and is produced by pressing or injecting this material.
Reference numerals 3 and 4 are bellows-shaped elastic parts formed at the middle part of the sleeve 2, that is, the elbow position, and the base of the sleeve 2, that is, the shoulder position, respectively.The unevenness of the elastic parts 3 and 4 is preferably deep on the back side. , and is formed so that it becomes shallower or the unevenness disappears on the front side.
5 indicates a fastener. In the above embodiment, the unevenness of the elastic parts 3 and 4 is formed in an annular shape so that they are parallel to each other in the longitudinal direction of the sleeve 2. However, the unevenness of the elastic parts 3 and 4 is It goes without saying that they may be formed into stripes so that they are arranged in parallel in orthogonal directions.

Therefore, when working on live wires, the insulating clothing 1 of the present invention is worn over work clothes, and live wire work is carried out on the ground or on a pole. , depending on its bending and stretching movements,
The extensible parts 3 and 4 act to expand and contract.

Effects of the invention As described above, since the present application is made of a single layer, there is no risk of moisture infiltrating into the multilayer and deteriorating the electrical resistance performance as in the conventional case, and if damage occurs, It is possible to visually check the safety, and it is also easy to bend and extend the shoulders and elbows of the body, so there is no risk of compromising work efficiency, especially in the longitudinal direction of the sleeves. Since the elastic part is formed by forming an annular unevenness such that the unevenness is deep on the back side and shallow or disappears on the front side, it has the advantage of being extremely elastic.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is a front view, FIG. 2 is a back view, and FIG. 3 is a view taken from A-A in FIG. 1.
FIG. 3 is an enlarged sectional view taken along line A. In the figure, 1 is an insulating garment, 2 is a sleeve, and 3 and 4 are elastic parts.

Claims (1)

[Scope of utility model registration request] A single-layer insulating garment made of an appropriate insulating material has annular irregularities arranged in parallel in the longitudinal direction of the sleeve at the shoulders and elbows, and the irregularities are deep on the back side and shallow or disappear on the front side. 1. Insulating clothing for working with live wires, characterized by having an expandable part formed in the .