JP7066207B2 - Achilles tendon protector - Google Patents

Description

The present invention relates to an Achilles tendon protector.

Conventionally, in the logistics and delivery industry, a worker's Achilles tendon may suddenly hit a dolly or other object at the height of the Achilles tendon of the foot and be injured, and effective safety measures have been required. Further, in a metal processing factory or the like, in a place where a wire or a metal plate protrudes near the height of the Achilles tendon, a worker may injure the part of the Achilles tendon during work, and effective measures have been required. Therefore, an Achilles tendon protector has been proposed (see Patent Document 1).

Registered Utility Model No. 3070198

However, the conventional Achilles tendon protector described in Patent Document 1 is worn on the wearer's ankle portion by one band, and is easily displaced in the left-right direction and has low stability when worn. In addition, the movement of the ankle easily causes the position to shift, and it is necessary to reattach it frequently during work, so that the Achilles tendon cannot be effectively and stably protected.

Therefore, it is an object of the present invention to provide an Achilles tendon protector that can be easily and surely attached to the lower leg, can effectively and stably protect the Achilles tendon, has a good usability, and is easy for the wearer to move. And.

The Achilles tendon protector according to the present invention includes a protector body having a curved cross section to be attached with the Achilles tendon of the user's leg as a covering, and the protector body has a flexible contact made of foamed resin on the inner surface side. It has a layer and has a hard resin layer on the outer surface.

Further, the upper belt and the lower belt to be wrapped around the lower part of the calf of the user's leg are attached to the protective equipment main body so as to fix the protective equipment main body to the leg.
Further, a contact tongue piece portion is formed in which the flexible contact layer is directly or indirectly extended upward from the upper end edge of the hard resin layer, and the upper belt is attached to the contact tongue piece portion. The lower belt is attached in the vicinity of the upper end edge of the hard resin layer.

Further, an auxiliary belt is attached to the side portion of the lower end portion of the protective device main body by wrapping it around the ankle to prevent the inner surface of the lower end portion from separating from the Achilles tendon.
Further, the auxiliary belt has a planar fastener male portion and a planar fastener female portion, and a square ring for passing the auxiliary belt is attached to the side opposite to the side to which the auxiliary belt is attached. The auxiliary belt that has been passed through is folded back, the male part of the planar fastener is engaged with the female portion of the planar fastener, and the lower end portion of the protective device body is configured to be in close contact with the Achilles tendon.
Further, the U-shaped edging is sewn and covered over the entire circumference of the flexible contact layer and the entire remaining portion excluding the upper end edge from the entire circumference of the hard resin layer.

Further, a lower insertion tongue piece portion for inserting into the gap between the wearer's foot and the shoe to stabilize the wearing is attached to the central portion of the lower end portion of the protective device main body.
Further, as the above-mentioned hard resin layer, a woven fabric woven with polypropylene flat yarn is laminated.
It uses a material that has been heated and compressed.

According to the Achilles tendon protector of the present invention, the worker can wear and use the Achilles tendon without discomfort, the feeling of use is excellent, and the Achilles tendon is protected. Workers' Achilles tendon can be protected in the logistics industry and in factories and warehouses where wires and metal plates are located.

It is a figure which shows one Embodiment of this invention, (A) is the front view which shows the whole protective equipment, (B) is the sectional explanatory view which shows the wearing state in the vicinity of ankle. It is a side view which shows the wearing state. It is a vertical sectional view of the Achilles tendon protector of this invention, (A) is the vertical sectional view which shows one Embodiment, (B) is the vertical sectional view which shows the other embodiment. It is a figure for demonstrating each part of the lower leg (and foot) where the Achilles tendon protector of this invention is worn.

Hereinafter, the present invention will be described in detail based on the illustrated embodiment.
As shown in FIG. 1 (A), the Achilles tendon protector S according to the present invention is the user (user) shown in FIG.
It is provided with a protective device main body 1 having a curved cross section (arc-shaped) attached to the Achilles tendon K of the leg of the wearer) as a covering.

That is, in FIG. 4, the protective device main body 1 covers and protects the region Z including at least the Achilles tendon K of the lower leg 30 (enclosed by the two-dot chain line).
As shown in FIGS. 1B and 3, the protective tool main body 1 has a flexible contact layer 7 made of foamed resin on the inner surface side and a hard resin layer 6 on the outer surface side.
In the flexible contact layer 7 made of foamed resin on the inner surface side, at least the inner surface 7B is covered with a cloth (woven fabric).

The protective device main body 1 has an upper belt 3 and a lower belt 4. Further, the protective tool main body 1 has an auxiliary belt 11 attached to the side portion of the lower end portion 1a.
The auxiliary belt 11 is, for example, a band-shaped rubber belt, and has a planar fastener male portion 11a and a planar fastener female portion 11b. The auxiliary belt 1 is on the side opposite to the side to which the auxiliary belt 11 is attached.
A square ring 12 for passing 1 is attached. The inner dimension of the square ring 12 is the same as the width of the auxiliary belt 11, and as shown in FIG. 1 (B), the auxiliary belt 11 passed through the square ring 12 is folded back.
The male portion 11a of the planar fastener is engaged with the female portion 11b of the planar fastener, and the lower end portion of the protective device main body 1 is brought into close contact with the Achilles tendon K. By bringing the lower end of the protective tool main body 1 into close contact with the Achilles tendon K with the auxiliary belt 11, it is possible to prevent the lower end of the protective device main body 1 from moving in the direction away from the Achilles tendon K.

Further, as shown in FIGS. 1 (A) and 3, a lower portion for inserting into the gap between the wearer's foot and the shoe in the central portion of the lower end portion 1a of the protective device main body 1 to stabilize the wearing posture. An insertion tongue piece 20 is attached. The downward insertion tongue piece portion 20 cooperates with the auxiliary belt 11 to more reliably prevent the lower end portion 1a of the protective device main body 1 from separating from the Achilles tendon K.

By the way, in the embodiment shown in FIGS. 1 (A) and 3 (A), the flexible contact layer 7 is directly extended upward from the upper end edge 6a of the hard resin layer 6 to contact the tongue. One piece 7a is formed. That is, the flexible contact layer 7 has a lower portion applied to the inner surface of the hard resin layer 6 and an upper portion extending above the upper end edge 6a integrally (continuously). Moreover, as shown in FIGS. 1 (A) and 3 (A), the U-shaped edging 9 includes the entire circumference of the integrated (continuous) flexible contact layer 7 and the (upper end edge) of the hard resin layer 6. (Except for 6a) It is sewn and covered over almost the entire circumference. As a result, it is easy to manufacture, the structure can be simplified, the fit to the covered region Z is good, and the strength and durability are excellent.

The upper belt 3 and the lower belt 4 wrapped around the lower calf X ₂ of the user's leg (lower leg 30) are
As shown in FIG. 1A, the upper belt 3 is attached to the protective equipment main body 1, but the upper belt 3 is "directly" upwardly extended from the hard resin layer 6 to the abutment tongue piece portion 7a. Attach (Fig. 1 (A) and Fig. 3)
See (A)).

Further, the lower belt 4 is attached in the vicinity of the upper end edge 6a of the hard resin layer 6 (see FIGS. 1A and 3).
Note that FIG. 3B shows another embodiment. That is, the contact tongue piece portion 7a extending upward from the upper end edge 6a of the hard resin layer 6 is manufactured as a separate piece, and this is attached to the upper end edge 6a of the hard resin layer 6 by sewing 14. .. In other words, the "indirectly" upwardly stretched contact tongue piece 7
It shows that even if a is formed, it is free.

By the way, as shown in FIG. 1A, the upper belt 3 has a planar fastener male portion 3a at an end portion and a planar fastener female portion 3b over the entire surface. The lower belt 4 has a planar fastener male portion 4a at the end and a planar fastener female portion 4b over the entire surface.

Further, in either of FIGS. 3 (A) and 3 (B), the upper belt 3 has a soft contact tongue piece portion 7a.
Is wrapped around the lower part of the calf X ₂ (see FIG. 4), so that it can be softly and tightly pressed and held, and the upper belt 3 can be sufficiently tightened and attached. Therefore, the Achilles tendon protector S does not shift downward.

The hard resin layer 6 on the outer surface of the protective tool main body 1 is made of a material (self-reinforcing resin) in which a plurality of woven fabrics woven from polypropylene flat yarn are laminated, heated, compressed, and cooled. Specifically, for example, KaRVO (registered trademark) of Diatex Co., Ltd. is used.
It is an ultralight material, has excellent resilience, is not easily damaged, is easy to process by press molding, sewing, etc., and is easy to dispose of because it does not contain glass or carbon.

The invention is not limited to the embodiments described above, as long as it does not deviate from the essential features of the invention.
The design can be changed. For example, the hard resin layer 6 is exemplified as a self-reinforced resin in the above-described embodiment, but other types of general resins (including FRP) can be used as long as the heel can be effectively protected. Is.

As described in detail above, the present invention comprises a protective device main body 1 having a curved cross section to which the Achilles tendon K of the user's leg is attached as a covering, and the protective device main body 1 is provided with a foamed resin on the inner surface side. Since it has a flexible contact layer 7 made of the same material and a hard resin layer 6 on the outer surface side, it has an excellent feel when attached to the lower leg and is easy to move without tired legs. This makes it possible to reliably protect the Achilles tendon K of the worker (wearer). In particular, in the logistics and delivery industry and metal processing factories, it has become possible to prevent injuries to workers during work.

In addition, the upper belt 3 and the lower belt 4 wound around the lower calf X ₂ of the user's leg are attached to the protective device main body 1 so that the protective device main body 1 is fixed to the leg, so that it is stable. The regular wearing posture can be maintained, and downward displacement is unlikely to occur.

Further, the flexible contact layer 7 is directly or indirectly extended upward from the upper end edge 6a of the hard resin layer 6 to form the contact tongue piece portion 7a, and the upper belt 3 is attached to the contact tongue piece portion 7a. Since the lower belt 4 is attached to the vicinity of the upper end edge 6a of the hard resin layer 6, the flexible contact tongue piece 7a is stably held by the upper belt 3 and is attached to the upper belt 3. The hard resin layer 6 is formed by the lower belt 4.
It can be fixed to the _lower part of the calf X2 while being curved and deformed in the radial inward direction, and it keeps the normal wearing posture more stably and does not shift downward.

Further, since the auxiliary belt 11 for wrapping around the ankle to prevent the inner surface of the lower end portion 1a from separating from the heel is attached to the lower end portion 1a of the protective tool main body 1, the wearing state is greatly displaced or deformed. It can be prevented from being damaged.

Further, since the lower insertion tongue piece portion 20 for inserting into the gap between the wearer's foot and the shoe and stabilizing the wearing is attached to the central portion of the lower end portion 1a of the protective tool main body 1, the auxiliary belt 11 and the auxiliary belt 11 are provided. In cooperation with each other, it is possible to more reliably prevent the lower end portion 1a of the protective device main body 1 from separating from the Achilles tendon K.

Further, as the hard resin layer 6, a woven fabric woven with polypropylene flat yarn is laminated and heated to compress it, so that the weight can be reduced and the work can be done without getting tired even if it is worn for a long period of time. Furthermore, it is also excellent in durability.

1 Protective device body 1a Lower end 3 Upper belt 4 Lower belt 6 Hard resin layer 6a Upper edge 7 Flexible resin abutment layer 7a Abutment tongue piece 11 Auxiliary belt 20 Lower insertion tongue piece 30 Lower leg K Achilles tendon X ₂ Calf beneath

Claims (3)

A protective device body (1) having a curved cross section is attached by covering the Achilles tendon (K) of the user's leg, and the protective device body (1) has a flexible contact made of foamed resin on the inner surface side. It has a layer (7) and a hard resin layer (6) on the outer surface side.
Attach the upper belt (3) and lower belt (4) to be wrapped around the lower calf (X ₂ ) of the user's leg to the protective equipment body (1), and fix the protective equipment body (1) to the leg. To do
The flexible contact layer (7) is directly or indirectly extended upward from the upper end edge (6a) of the hard resin layer (6) to form a contact tongue piece portion (7a), and the upper belt (3) is formed. Is attached to the abutting tongue piece portion (7a), and the lower belt (4) is attached in the vicinity of the upper end edge (6a) of the hard resin layer (6).
An auxiliary belt (11) for wrapping around the ankle to prevent the inner surface of the lower end portion (1a) from separating from the Achilles tendon (K) is attached to the side portion of the lower end portion (1a) of the protective device main body (1). Installation,
The auxiliary belt (11) has a planar fastener male portion (11a) and a planar fastener female portion (11b), and the auxiliary belt (11) is on the side opposite to the side to which the auxiliary belt (11) is attached. A square ring (12) for passing through is attached, the auxiliary belt (11) passed through the square ring (12) is folded back, and the male portion of the planar fastener (11a) is engaged with the female portion (11b) of the planar fastener. The lower end of the protective device body (1) is configured to be in close contact with the Achilles tendon (K).
The U-shaped edging (9) covers the entire circumference of the flexible contact layer (7) and the entire rest of the rigid resin layer (6) excluding the upper end edge (6a). Achilles tendon protector characterized by being done. A claim in which a lower insertion tongue piece portion (20) is attached to the central portion of the lower end portion (1a) of the protective device main body (1) so as to be inserted into the gap between the wearer's foot and the shoe to stabilize the wearing. 1 Achilles tendon protector according to the description. The Achilles tendon protector according to claim 1 or 2, wherein a woven fabric woven with polypropylene flat yarn is laminated as the hard resin layer (6), heated and compressed.

Images