JP2020180392A - Fingertip protector and working glove - Google Patents

Abstract

To provide a light-weight and compact fingertip protector having satisfactory workability and large load resistant strength and to provide a working glove.SOLUTION: A fingertip protector which can detachably be inserted into each fingertip of a working glove includes: side plate parts 10 sandwiching both sides of the fingertip; and a curved part 20 which surrounds a tip of the fingertip and couples the side plate parts 10 on both sides of the fingertip. The side plate parts and the curved part become vertical faces vertical to a mounting face and height of the vertical faces is larger than thickness of the fingertip when an end face on one side in a vertical direction of the fingertip is placed on the mounting face while facing downward.SELECTED DRAWING: Figure 1

Description

The present invention relates to fingertip protectors and work gloves.

Conventionally, for example, in a heavy work site, when performing work of pressing or grasping a heavy object, the finger is used to prevent an accident in which the fingertip collides with the heavy object or the fingertip is pinched by the heavy object. Work gloves with protective reinforcements are known. For example, a work glove in which a finger portion corresponding to the second to fifth fingers of a glove is covered with a tubular reinforcing member has been proposed (see Patent Document 1).

The work glove of Patent Document 1 is configured so that each finger can be bent and stretched by forming the reinforcing member with a plurality of tubes, but since the tubular reinforcing member also exists in the pad of the finger. , There is a problem that the workability is impaired because the finger comes into contact with the work object via the reinforcing member.

Therefore, as a reinforcing member that covers a portion other than the pad of the finger, a finger protection member that is attached to each finger of the hand to block the transmission of an external force to the finger has been proposed (see Patent Document 2).

However, when the load capacity of the reinforcing member of Patent Document 2 is set to, for example, about 1 ton, it is necessary to manufacture the reinforcing member thickly using a material having a considerably high strength, which causes a problem that the reinforcing member becomes heavy and bulky. There is. Further, in the structure of Patent Document 2, since the portion of the first joint of the instep of the finger hits the reinforcing member, there is also a problem that workability is impaired.

Further, as a device having improved load bearing capacity, a protective device for fixing a plurality of fingers has been proposed (see Patent Document 3).
However, there is a problem that workability is lowered in the structure in which a plurality of fingers are fixed together.

Japanese Unexamined Patent Publication No. 2005-240221 JP-A-2017-36523 Japanese Patent No. 4206103

The present invention has been completed in view of the above circumstances, and an object of the present invention is to provide a fingertip protector and a work glove which are lightweight, compact, have good workability, and have a large load-bearing strength.

A first aspect of the present invention is a fingertip protector that can be detachably inserted into each fingertip of a work glove, and surrounds a side plate portion that sandwiches both sides of the fingertip and the tip of the fingertip, and the fingertip. When the side plate portion on both sides is provided with a curved portion connecting the side plate portions and the fingertip is placed on the mounting surface with the end surface on one side in the vertical direction facing down, the side plate portion and the curved portion are placed on the previously described mounting surface. A fingertip protector is characterized in that it has a vertical surface perpendicular to the vertical surface, and the height of the vertical surface is larger than the thickness of the fingertip.

The second aspect of the present invention is described in claim 1, wherein the side plate portion has a chamfered portion at at least one corner in the vertical direction of the end portion opposite to the curved portion side. It is on the fingertip protector.

A third aspect of the present invention is characterized in that the end faces of the side plate portion on both sides of the fingertip in the vertical direction and the end faces of the curved portion on both sides of the fingertip in the vertical direction are formed flush with each other. It is in the fingertip protector described in 1 or 2.

A fourth aspect of the present invention is characterized in that the vertical end faces of the fingertips of the side plate portion and the vertical end faces of the fingertips of the curved portion are planes orthogonal to the vertical plane. The fingertip protective device according to any one of the first to third aspects.

A fifth aspect of the present invention is connected to at least a part of the upper end surface of the curved portion in the vertical direction and at least a part of the upper end surface of the side plate portion on the curved portion side in the vertical direction. The fingertip protector according to any one of the first to fourth aspects, characterized in that it has an upper plate portion that covers the upper part of the fingertip.

A sixth aspect of the present invention is the fingertip protector according to any one of the first to fifth aspects, wherein the lining material is provided on at least a part of the inner surface.

A seventh aspect of the present invention is a work glove characterized by using the fingertip protector according to any one of the first to sixth aspects.

According to the present invention, it is possible to provide a fingertip protector and a work glove that are lightweight, compact, have good workability, and have a large load-bearing strength.

It is a perspective view of the fingertip protective equipment which concerns on Embodiment 1. FIG. It is a top view and the front view of the fingertip protector which concerns on Embodiment 1. FIG. It is a perspective view of the work glove provided with the fingertip protective device which concerns on Embodiment 1. FIG. It is a front view which shows the modification of Embodiment 1. It is a perspective view of the fingertip protective equipment which concerns on Embodiment 2. FIG. It is a perspective view of the fingertip protective equipment which concerns on Embodiment 3. It is a top view of the fingertip protector which concerns on the modification. It is a top view and a side view of the fingertip protector which concerns on a modification. It is a top view of the fingertip protector which concerns on the modification. It is a top view of the fingertip protector which concerns on the modification. It is a perspective view of the fingertip protective equipment which concerns on a comparative example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the following description shows one aspect of the present invention, and can be arbitrarily changed within the scope of the present invention. Those having the same reference numerals in the drawings indicate the same members, and the description thereof is omitted as appropriate. The components shown in the drawings, that is, the shape, size, thickness, relative positional relationship, etc. of each part may be exaggerated in explaining the present invention.

(Embodiment 1)
FIG. 1 is a perspective view of the fingertip protector according to the first embodiment, FIG. 2 is a plan view and a front view thereof, and FIG. 3 is a perspective view of a work glove to which these fingertip protectors are attached.

As shown in these drawings, the fingertip protector 1 is a metal plate such as steel or stainless steel curved in a U shape, and includes two side plate portions 10 and a curved portion 20 connecting them. To do. As shown in FIG. 3, the fingertip protector 1 is used by being inserted into the fingertip portions 101 to 105 of the five fingers of the work glove 100, and the side plate portion 10 and the curved portion of the fingertip protector 1. One fingertip (not shown) is inserted into the internal space S between the fingertip 20 and the tip of the fingertip is located inside the curved portion 20, and the pad of the fingertip is downward in FIGS. 1 and 2. It is used so that each finger is inserted in the state of being inserted. FIG. 2A is a plan view (top view) of the fingertip protector 1 placed on the mounting surface in use, as viewed from above, and FIG. 2B is a view from the insertion side of the fingertip. It is a front view.

Therefore, the width X of the space S, which is the distance between the two side plate portions 10, is set to be larger than the width of the fingertip, and the end portion 11 on the side opposite to the curved portion 20 of the side plate portion 10 and the curved portion 20. The length Y, which is the distance from the inner surface 21 of the central portion of the joint, is larger than the length from the tip of the fingertip to the first joint and smaller than the length between the third joint and the second joint, preferably up to the second joint. The height Z, which is the distance between the end faces 12 and 22 on both sides of the side plate portion 10 and the curved portion 20, is set to be smaller than the thickness of the fingertip.

If the width X is smaller than the width of the fingertip, the fingertip cannot be inserted, so it is made larger than the width of the fingertip. However, if it is larger than the width of the fingertip, it may interfere with the fingertip protector of another finger and workability may be deteriorated. , Set to a predetermined size in consideration of these.

If the length Y is smaller than the length from the tip of the fingertip to the first joint, the height Z becomes larger, so that the fingertip may easily fall over and the fingertip may not be protected. Therefore, the length Y is larger than the length from the tip of the fingertip to the first joint. It is preferable to make it larger, but if it is larger than the length between the third joint and the second joint, or larger than the length up to the second joint, the movement of the fingers may be hindered and workability may deteriorate. It is preferable to set appropriately in consideration of these.

If the height Z is smaller than the thickness of the fingertip, the fingertip cannot be protected, so it should be larger than the thickness of the fingertip. However, if the height Z is larger than the thickness of the fingertip, it may easily fall over and the fingertip may not be protected, or workability. It is preferable to take these into consideration when setting.

The width X, length Y, and height Z of the fingertip protector 1 may be set differently for each of the five fingertips, or the thumb and the other 4 may be set separately for the thumb. It may be set to two types, one for the main body, or three types for the other three, apart from the one for the thumb and the one for the little finger, and is not particularly limited. FIG. 3 shows two sizes, a fingertip protector for the thumb and a fingertip protector other than the thumb protector.

In the fingertip protector 1 of the present invention, when the end faces 12 and 22 are placed face down on the flat mounting surface P, the side plate portion 10 and the curved portion 20 are perpendicular to the mounting surface P. Here, when the side plate portion 10 and the curved portion 20 are vertical, the surface may be vertical when the side plate portion 10 and the curved portion 20 are flat plates, but when the surface is not flat, the side plate portion 10 and the curved portion 20 are vertical. The direction of the center of gravity of 20 may be within the end faces 12 and 22.

In any case, when the heavy object H is placed on the fingertip protector 1 placed on the mounting surface P and a load Q perpendicular to the mounting surface P is applied, the side plate portion 10 and the curved portion 20 are placed. The wall may be perpendicular to the load Q, whereby the load capacity of the fingertip protector 1 is remarkably high.

Further, as described above, when the heavy object H is placed on the two side plate portions 10 and a force is further applied from an oblique direction, the force acts on the side plate portion 10 which is a vertical wall in the direction of falling. Since the two side plate portions 10 are connected by the curved portion 20, the curved portion 20 receives an action against the force of the side plate portion 10 to fall, so that the load bearing performance is remarkably increased. On the other hand, with the arch-shaped finger protector as described in Patent Document 2, the load-bearing performance of the arch-shaped roof member cannot be ensured. Therefore, first, when the roof member is crushed, when the roof member is crushed, the side surface is covered. On the other hand, since a force in the direction of opening (falling direction) acts on both sides, the two side plates are opened and a large load-bearing performance cannot be ensured. In addition, since the crushed roof member may be broken into an M-shaped cross section and the fingertip may be crushed, there is a risk of further injury even though it is used as a finger protector.

The fingertip protector 1 of the present embodiment has a simple shape, is lightweight and compact, but has a remarkably high load-bearing performance. Further, since there is no member in the region corresponding to the abdomen and the instep of the fingertip, the workability is good.

In the present embodiment, the side plate portion 10 and the curved portion 20 are integrally press-molded, but the side plate portion 10 and the curved portion 20 may be separately connected by welding or the like. Further, although the side plate portions 10 located on both sides of the fingertip are parallel, they are not necessarily parallel and may have a shape in which the insertion direction of the fingertip is slightly open.

Further, in the above-described example, the vertical end surface 12 of the side plate portion 10 and the vertical end surface 22 of the curved portion 20 are continuously flush with each other, but the present invention is not limited to this, and the curved portion 20 is not necessarily limited to this. The vertical dimension of the curved portion 20 may be gradually reduced toward the tip. In this case, the tip of the end surface 22 of the curved portion 20 is slightly lifted from the mounting surface P, but the load bearing performance is improved. Has no major impact.

Further, in the above-described example, the end surface 12 of the side plate portion 10 and the end surface 22 of the curved portion 20 are perpendicular surfaces to the surfaces of the side plate portion 10 and the curved portion 20, but are not necessarily limited to this. , The side plate portion 10A having a curved end face 12A when viewed from the front may be used as in the fingertip protector 1A shown in FIG. 4, and the same applies to the curved portion 20 as well as the curved portion 20A having a curved end face 22A. Good. However, when mounted on the mounting surface P, most of the end faces 12A and 22A of the side plate portion 10A and the curved portion 20A are in contact with the mounting surface P, and the side plate portion 10A and the curved portion 20A are mounted. It needs to be perpendicular to the placement surface P. At this time, the larger the contact area between the mounting surface P and the end faces 12A and 22A is, the better the load bearing performance is, so that the end faces 12 and 22 perpendicular to the surface are preferable.

(Embodiment 2)
FIG. 5 shows a perspective view of the fingertip protective device according to the second embodiment.
As shown in the figure, the fingertip protector 1B of the present embodiment is provided with chamfered portions 15 on both vertical and vertical ends of the end portion of the side plate portion 10B in the direction opposite to the curved portion 20, and the other points are the embodiments. Since it is the same as No. 1, the same reference numerals are given and duplicate description will be omitted.

In the present embodiment, the chamfered portion 15 is an R surface, but it may be a slope.
The chamfered portion 15 is provided on the ventral side of the fingertip in particular, so that the workability is improved. Therefore, the chamfered portion 15 may be provided only on the ventral side of the fingertip, but in the present embodiment, the chamfered portion 15 is provided on both the upper and lower sides so that the same effect can be obtained even if the chamfered portion 15 is used upside down. ..

When the chamfered portion 15 is provided, as shown in FIG. 2, the size of the contact area between the mounting surface P and the end surface 12 when mounted on the mounting surface P becomes small, which may affect the load bearing performance to some extent. Since there is a property, the size of the chamfered portion 15 may be determined in consideration of the improvement of the working property and the influence on the load bearing performance, but the size of the chamfered portion 15 is the length of the end surface 12 of the side plate portion 10B. It is preferably 1/3 or less, preferably 1/4 or less.

(Embodiment 3)
FIG. 6 shows a perspective view of the fingertip protective device according to the third embodiment.
As shown in the figure, the fingertip protector 1C of the present embodiment is provided with a part of the curved portion 20 and the side plate portion 10 on the curved portion 20 side and an upper plate portion 30 covering a space between them, and other points. Is the same as that of the first embodiment, and thus the same reference numerals are given and duplicate description will be omitted.

In the present embodiment, the upper plate portion 30 is integrally formed by press molding together with the side plate portion 10 and the curved portion 20, but may be joined by welding or adhesion as a separate member. Further, the upper plate portion 30 may be a separate member and may be detachable.

The upper plate portion 30 is intended to protect the fingertips from a collision with an object smaller than the distance between the side plate portions 10. However, since the upper plate portion 30 comes into contact with the joint portion of the instep when the fingertip is bent, it is necessary to provide the upper plate portion 30 in consideration of workability. The maximum value of the length Y1 of the upper plate portion 30 is preferably smaller than the length from the tip of the fingertip to the first joint, preferably to the first joint.
The upper plate portion 30 may be provided so as not to cover the tip end side of the curved portion 20.

(Other embodiments)
The embodiment described above exemplifies a preferred embodiment, and is not limited to this, and can be partially modified and implemented.
The material of the fingertip protector 1 may be selected not only from metal but also according to need. For example, the fingertip protector 1 is made of polycarbonate or PC alloy (polycarbonate) which is excellent in impact resistance, ease of molding, and the like. A synthetic resin such as (copolymerized resin such as PBT resin), ABS, PET, preferably polypropylene or nylon having excellent chemical resistance may be molded by pressure molding or injection molding accompanied by heating, and further described above. It may be a fiber-reinforced plastic (FRP) containing fibers such as glass fiber (glass fiber).

As the material of the fingertip protector 1, for example, a metal plate can be used at a site where a high load capacity is required, and a synthetic resin can be used when there is no problem even with a low load capacity. Further, since the shape of the synthetic resin can be freely selected according to the material, the thickness and shape can be changed according to the required strength and function as needed.

FIG. 7 shows a plan view of various fingertip protectors.
The fingertip protector 1D shown in FIG. 7A is provided with a plurality of beams 41 extending in the Z direction for reinforcement inside the curved portion 20D. As a result, the load capacity of the curved portion 20D is improved, and the curved portion 20D is stable and hard to fall down, so that the overall load capacity is improved.
The fingertip protector 1E shown in FIG. 7B is provided with a thick portion 42 on the tip end side of the curved portion 20E, whereby the overall load capacity is improved.
The fingertip protector 1F of FIG. 7C is provided with a bent portion 43 at the end of the curved portion 20F on the side plate portion 10 side, whereby the length of the curved portion 20F becomes large and stable. It becomes hard to fall down and the overall load capacity is improved.
The fingertip protector 1G of FIG. 7D has a shape in which the entire curved portion 20G is provided with the bent portion 44 continuously in the thickness direction, so that the length of the curved portion 20G becomes large and stable. It becomes hard to fall down and the overall load capacity is improved.
The fingertip protector 1H of FIG. 7 (e) is provided with a bent portion 45 continuously provided on the side plate portion 10H, whereby the length of the side plate portion 10H is increased, and the side plate portion 10H is stable and hard to fall down. , The overall load capacity is improved.
The fingertip protector 1I of FIG. 7 (f) has a curved portion 20I having a widened portion 46 larger than the width of the side plate portion 10 in the X direction, whereby the length of the curved portion 20I is increased. In addition, it becomes stable and hard to fall down, and the overall load capacity is improved.

For example, a lining material made of rubber, elastomer, felt, fleece, or the like may be provided on the inner surfaces (surfaces in contact with the fingertips) of the curved portion 20 and the side plate portion 10. As a result, the fingertip is protected at the time of contact with the fingertip, and the feeling of use is improved.

The lining material is preferably provided on at least the inner surface of the curved portion 20, and may be continuously provided on the inner surface of the side plate portion 10. Further, it may be provided on the inner surface of the upper plate portion 30.

Further, a lining material made of rubber, elastomer, felt, fleece or the like may be provided on the outer surfaces (surfaces in contact with gloves) of the curved portion 20 and the side plate portion 10. As a result, the contact with the glove is softened, and the contact with the work object through the glove is softened, so that the feeling of use is improved.

Further, for example, a convex portion may be provided on the outer surface (the surface that comes into contact with the glove) of the curved portion 20. An example of this is shown in FIG. 8 (a) is a plan view of the fingertip protector 1J, and FIG. 8 (b) is a side view, in which a convex portion 47 is provided on the tip end side of the curved portion 20J. This allows you to press small buttons or switches even while wearing gloves.

Further, for example, a protrusion may be provided on the inner surface (the surface in contact with the finger) of the curved portion 20 or the side plate portion 10K. FIG. 9 is a plan view of such a fingertip protector 1K, in which a protrusion 48 extending in the Z direction is provided inside the vicinity of the end portion of the side plate portion 10K. As a result, the ridge 48 comes into contact with the first joint and the second joint of the fingertip, which makes it difficult for the fingertip protector to come off the finger.

Further, for example, protrusions may be provided on the outer surface (the surface that comes into contact with the gloves) of the curved portion 20 and the side plate portion 10. FIG. 10 is a plan view of such a fingertip protector 1L, in which a ridge 49 projecting outward in the X direction and extending in the Z direction is provided on the outside near the end of the side plate portion 10L. As a result, the ridge 49 is caught in the stitch of the glove. This makes it difficult for the fingertip protector to come off the glove. In addition, a protrusion may be provided instead of the ridge 49, and a plurality of protrusions may be provided in the Z direction.

Further, for example, the fingertip protector of the present invention may be used for gloves or as a toe socks. This can protect the toes.

(Example)
Two types of fingertip protectors having the shape shown in FIG. 1 were manufactured, one for the thumb and one for the other fingers.
For the thumb, a steel plate having a width of 30 mm and a length of 92 mm was curved and molded into a fingertip protector having dimensions of X = 26 mm, Y = 37 mm, and Z = 30 mm.
For other fingers, a steel plate having a width of 20 mm and a length of 73 mm was curved and molded to obtain fingertip protectors having dimensions of X = 20 mm, Y = 29 mm, and Z = 20 mm.

(Comparison example)
Using the same material as in the examples, arched fingertip protectors as shown in FIG. 11 were molded with dimensions for the thumb and other fingers.
For the thumb, a steel plate having a width of 30 mm and a length of 54 mm was curved and molded into a fingertip protector having dimensions of x = 26 mm, y = 30 mm, and z = 18 mm.
For other fingers, a steel plate having a width of 30 mm and a length of 45 mm was curved and molded to obtain fingertip protectors having dimensions of x = 20 mm, y = 30 mm, and z = 15 mm.

(Test example)
It was placed on the base of the fingertip protector of Examples and Comparative Examples, a load was applied in the vertical direction, and the load at the time of destruction was taken as the withstand load.
The results are shown in Table 1, and it was confirmed that the fingertip protector of the example had a significantly larger load-bearing performance as compared with the arch-shaped one.

The fingertip protector and work gloves of the present invention are useful as gloves for heavy work, but are also useful as fine work gloves that use fingertips. Furthermore, it can also be used for toe socks.

1 Fingertip protector 10 Side plate part 12 End surface 15 Chamfered part 20 Curved part 21 Central part Inner surface 30 Upper plate part 100 Work gloves 101 Fingertip part

Claims (7)

A fingertip protector that can be detachably inserted into each fingertip of work gloves.
A side plate portion that sandwiches both sides of the fingertip and a curved portion that surrounds the tip of the fingertip and connects the side plate portions on both sides of the fingertip are provided, and the fingertip is placed with the end surface on one side in the vertical direction facing down. When placed on a surface, the side plate portion and the curved portion become a vertical surface perpendicular to the above-mentioned mounting surface, and the height of the vertical surface is larger than the thickness of the fingertip.
A fingertip protector that features that. A chamfered portion is provided at at least one corner of the side plate portion in the vertical direction at an end portion opposite to the curved portion side.
The fingertip protective device according to claim 1, wherein the fingertip protective device is characterized in that. The first or second aspect of the present invention, wherein the end faces of the side plate portion on both sides in the vertical direction of the fingertip and the end faces of the curved portion on both sides of the fingertip in the vertical direction are formed flush with each other. Fingertip protector. The vertical end faces of the fingertips of the side plate portion and the vertical end faces of the fingertips of the curved portion are planes orthogonal to the vertical plane.
The fingertip protective device according to any one of claims 1 to 3, wherein the fingertip protective device is characterized in that. An upper plate portion that is connected to at least a part of the upper end surface of the curved portion in the vertical direction and at least a part of the upper end surface of the curved portion side in the vertical direction of the side plate portion and covers the upper part of the fingertip. The fingertip protective device according to any one of claims 1 to 4, wherein the fingertip protector is characterized by having. The fingertip protective device according to any one of claims 1 to 5, wherein a lining material is provided on at least a part of the inner surface. A work glove characterized in that the fingertip protective device according to any one of claims 1 to 6 is used.

Images