KR200154393Y1 - Air pipe of safety shoes - Google Patents

Abstract

The present invention relates to an air pipe buried in the safety vehicle, the conventional air pipe is simply buried in a single cylindrical pipe in the midsole with cushioning power, the load according to the weight of the wearer is in the midsole with cushioning power When applied to the buried air pipe, the bearing capacity of the load is weak and the passage of the air pipe is depressed, so the ventilation of the inside of the shoe body is poor, sweating is much from the foot, and also polluted by the moist air by the heat generated from the foot. There was a problem that a variety of bacteria that are harmful to the skin is inhabited causing severe odor.

The present invention is composed of the outer pipe 22 and the inner tube 24 and the outer wrinkle portion 26 and the inner wrinkle portion 28 formed on one side of the outer tube 22 and the inner tube 24. However, the length of both ends of the outer tube 22 is formed longer than the inner tube 24 so that the inner space portion 32 and the outer space portion 30 are formed at both ends, the air pipe embedded in the midsole 34 ( When the load according to the wearer's weight is applied to the wearer 20, the support force thereof is improved to secure a passage of the air pipe 20, so that the polluted air in the shoe body 36 can be continuously discharged to the outside. There is an effect that can keep the air in the shoe body 36 more clean.

Description

Air pipe buried in the midsole of safety shoes

The present invention relates to an air pipe embedded in the midsole of the safety shoes, and in more detail, a midsole formed of a foamed resin material is inserted between the shoe body and the sole of the shoe, and the air pipe having a double structure is embedded in the midsole. It relates to an air pipe buried in the midsole of safety shoes to improve the ventilation of safety shoes.

In general, safety shoes are worn during work to protect workers' feet from the dangers scattered in industrial sites. Steel plates are formed on the upper and lower parts, and are made of a shoe sole and a shoe body. In the lower part, a cushion plate, which is a shock absorber, is partially embedded.

When the worker wears safety shoes as described above for a long time, there is a slight difference depending on the person, but most people get the air inside the shoes moistened by the sweat and heat generated from the feet, and thus harmful to the skin. In order to solve this problem, the applicant filed a patent for a shoe equipped with an exhaust device in 1996 and a manufacturing method and a manufacturing device of the shoe, but the air pipe constituting the exhaust device does not function properly. It has a problem that can not be devised safety shoes to improve the ventilation.

Referring to this with reference to the accompanying drawings, Figure 1 is an exploded perspective view of a conventional safety shoe, a through hole (2) is formed in the bottom plate of the shoe body (1), the air pump in the through hole (2) 3) is installed, one end of the air pump (3) is formed with an inlet port in which the suction choke valve (4) is built, and the other end is composed of an outlet connected to the air pipe (5), of the air pipe (5) The discharge choke valve 6 is built in the other side, and a blocking plate 7 is attached to the bottom thereof so that the midsole 8 and the shoe sole 9 are integrally joined.

2 is a partially cutaway perspective view illustrating an air pipe of a conventional safety shoe, and the air pump 3 is formed in a hemispherical shape, and an inlet 10 and an outlet 11 are provided at both sides of the air pump 3. It is formed and installed so as to protrude inward through the through hole (2) formed in the bottom plate of the shoe body (1) protruding.

The air pipe 5 is coupled so that one end of the outlet 11 of the air pump 3 is in communication, and the other end is provided with a discharge choke valve 6 at its end so that foreign matters inside the shoe body 1 are external. Be prevented from entering

In particular, the air pump (3) is formed of a rubber material having an elastic force and has a constant restoring force, and protrudes inward through the bottom plate of the shoe body (1), thereby forming a constant space portion, the shoe body (1) The contaminated air inside flows to the air pipe 5 side through the intake choke valve 4 built in the air pump 3.

Therefore, even if the worker wears the safety shoes as described above in the industrial field and works for a long time, the sole of the worker repeatedly compresses and releases the air pump 3 in the protruding state installed on the sole plate of the shoe body 1 for a short time. The operation is made so that the polluted air inside the shoe body (1) is discharged to the outside through the discharge choke valve (6) of the air pipe (5).

However, the conventional air pipe 5 is simply buried in one cylindrical pipe in the midsole 8 with cushioning force, so that the load according to the weight of the wearer is embedded in the midsole 8 with cushioning force. When applied to (5), the support force for the load is weak, so that the passage of the air pipe 8 is pressed, so that the ventilation of the inside of the shoe body 1 is poor, so that a lot of sweat occurs from the foot, and the heat generated from the foot Thereby, there was a problem in that various bad bacteria were inhabited by moist air and caused bad odor.

In this regard, the present invention is designed to solve the problem of safety shoes manufactured through a conventional injection molding manufacturing process, and inserts a midsole formed of a foamed resin material between a shoe body and a shoe sole, and has a double structure inside the midsole. The purpose is to bury the air pipe made of to improve the breathability of the safety shoes.

In order to realize the above object, the present invention is a foamed resin material is inserted between the shoe body and the sole of the shoe through an injection manufacturing process, the air pipe is embedded therein, the air pipe is the appearance and the inner tube It is configured to form an outer wrinkle portion in the middle portion of the outer tube and the inner portion, the length of both ends of the outer tube is formed longer than the inner tube to form the inner space portion and the outer space portion at both ends.

By forming the air pipe into an outer tube and an inner tube to insert an inner tube into the outer tube to form a double structure, when the load according to the weight of the wearer is applied to the air pipe buried in the midsole, the support for the pipe is improved. Since it can be ensured, the polluted air in the shoe body can be effectively discharged, and the air in the shoe body can be kept more clean.

1 is an exploded perspective view of a conventional safety shoes.

Figure 2 is a partial cutaway perspective view for showing the air pipe of the conventional safety shoes.

Figure 3 is an exploded perspective view of the main portion of the air pipe according to the present invention partially omitted.

Figure 4 is a partial cutaway perspective view of the safety shoes buried air pipe according to the present invention.

* Explanation of symbols for main parts of the drawings

20: air pipe 22: appearance

24: inner tube 26: outer fold

28: inner fold portion 30: outer space portion

32: inner space part 34: midsole

36: shoe body 38: shoe sole

40: air pump 42: inlet

44 outlet

Referring to the accompanying drawings for the present invention with reference to the configuration and operation and effects as follows.

The present invention is inserted between the shoe body 36 and the sole of the shoe sole 38, the foamed resin material through the injection manufacturing process, the air pipe 20 is embedded therein the air pump 40 and In the air pipe embedded in the midsole of the safety shoes configured to be coupled, the air pipe 20 is composed of an outer tube 22 and the inner tube 24 and the outer pleats 26 on one side of the left tube 22 and the inner tube 24. ) And inner wrinkles 28 are formed, but the length of both ends of the outer tube 24 is longer than that of the inner tube 22.

The air pipe 20 inserts an inner tube 24 formed of a hard synthetic resin material into an outer tube 22 formed of a soft synthetic resin material so that the outer wrinkle part 26 and the inner wrinkle part 28 coincide with each other. The outer space portion 30 and the inner space portion 32 are formed at both ends of the exterior 22.

In the drawings, reference numerals 46 and 46 'are choke valves inserted into the inlet port 42 of the air pump 40 and the outer space portion 30 of the air pipe 20, and 48 are choke valves 46 and 46'. Inlet portion, 50 is the discharge portion, 52 is the valve plate embedded in the discharge portion 50, 54 is a projection preventing the separation of the valve plate 52, 56 is the bottom plate of the shoe body 36, 58 is It is a through hole formed in the bottom plate (56).

According to the present invention, as shown in the accompanying drawings of FIG. 3, the air pipe 20 is composed of an exterior 22 and an inner tube 24, and an outer wrinkle portion 26 on one side of the exterior 22 and the inner tube 24. ) And inner wrinkles 28 are formed, but the length of both ends of the exterior 22 is formed longer than the inner tube 24.

The exterior 22 and the inner tube 24 may be bent at one end freely at right angles, as shown by the arrow in the drawing by the outer wrinkle portion 26 and the inner corrugation portion 28 formed on one side. have.

The outer surface 22 is formed of a soft synthetic resin material and has a slight elasticity. The outer space portion 30 at both ends formed by inserting an inner tube formed of a hard synthetic resin material having short lengths at both ends thereof is formed therein. ) And the choke valve 46 ′ and the outlet 44 of the air pump 40 are inserted into the inner space 32.

The choke valve 46 ′ is composed of a single layered inlet 48 and a discharge unit 50 so that air flows only to one side, and the diameter of the discharge unit 50 is larger than the diameter of the inlet 48. The valve plate 52 of a disc shape is formed inside the discharge portion 50, and the diameter of the valve plate 52 is smaller than the diameter of the discharge portion 50. In this case, the moving valve plate 52 is not moved out of the outside by the plurality of protrusions 54 formed at the end of the discharge portion 50, but moves in the discharge portion 50 so that the direction of flowing air is It always flows in one direction.

That is, when air flows into the inlet side 48 side of the choke valves 46 and 46 ', the valve plate 52 is moved to the protrusion part 54 side, and the outer peripheral surface of the valve plate 52 and the discharge part 50 are separated. Air escapes through the gap between the inner circumferential surfaces. On the contrary, when air is introduced from the discharge part 50 side, the valve plate 52 is moved to the inlet part 48 to be sealed.

The air pump 40 is formed of a rubber material having an elastic force and is formed in a hemispherical shape, and includes an inlet port 42 and an outlet port 44 in which the choke valve 46 is embedded, and the outlet port 44 is an air pipe 20. It is inserted into the inner space portion 32 formed at one end of the exterior 22 of.

As shown in FIG. 4, the air pipe 20 has a hemispherical shape, and an inlet port 42 and an outlet port 44 are formed at both sides of the air pump 40, and an inlet port 42 is provided. The choke valve 46 is installed inside, and the protruded hemispherical upper part is installed to protrude into the shoe through the through hole 58 formed in the bottom plate 56 of the shoe body 36.

In particular, the air pump 40 is formed of a rubber material having an elastic force has a constant restoring force, and protrudes through the bottom plate 56 of the shoe body 36 to form a predetermined space portion, shoes The contaminated air in the body 36 flows to the air pipe 20 side through the choke valve 46 embedded in the air pump 40.

That is, when the worker wears the safety shoes with the air pump 40 installed, the sole of the hemispherical air pump 40 protrudes, so that the air of the air pump 40 is discharged through the air pipe 20 through the air outlet 20. When the state that flowed to the side and the compressed state by the sole is released, the pressed hemispherical upper side of the air pump 40 having the restoring force is restored and the shoe body 36 is provided through the choke valve 46 built in the inlet 42 side. It will inhale air inside.

When the air pump 40 is compressed again to the sole of the foot, the contaminated air of the suctioned shoe body 1 is blocked by the valve plate 52 embedded in the choke valve 46, and the air pipe (4) is discharged through the outlet 44. 20) will flow to the side.

As such, the air in the shoe body 36 introduced into the air pipe 20 through the air pump 40 is embedded in the midsole 34 and the end of the outer space portion 30 is exposed to the outside and is exposed from the outside. The discharge part 50 is discharged to the outside through the choke valve 46 'installed and inserted to appear outside.

At this time, the outside of the air or foreign matter (dust, contaminated dust, water, etc.) by the choke valve 46, 46 'to flow only in one direction installed in the air pump 40 and the air pipe 20. As a result, the wet and contaminated internal air of the shoe body 36 by the sweat and heat generated from the worker's feet is discharged to the outside as described above.

Safety shoes embedded with an air pump 40 and a double structure air pipe 20, which are formed by forming a through hole 58 in the bottom plate 56 of the shoe body 36 as described above, are installed in an industrial site. In addition to safety shoes for safety, if applied to a variety of shoes produced according to the purpose and purpose of use, it is possible to smoothly discharge the contaminated air to the outside to keep the air inside the shoe more clean state Will be.

As described above, the present invention is the air pipe 20 is composed of an outer tube 22 and the inner tube 24, the outer side wrinkle portion 26 and the inner side wrinkle portion 28 on one side of the outer tube 22 and the inner tube (24). ) Is formed, the length of both ends of the outer tube 22 is slightly longer than the inner tube 24 so that the inner space portion 23 and the outer space portion 30 are formed at both ends, buried in the midsole 34 When a load according to the weight of the wearer is applied to the pipe 20, the support force thereof is improved to secure a passage of the air pipe 20, thereby continuously discharging the contaminated air in the shoe body 36 to the outside. It can be effective to keep the air in the shoe body 36 more clean.

Claims (2)

The midsole 34, which is a foamable resin material, is inserted between the shoe body 36 and the shoe sole 38 through an injection manufacturing process, and the air pipe 20 is embedded therein to be coupled to the air pump 40. In the general safety shoes, the air pipe 20 is composed of an outer tube 22 and an inner tube 24, and an outer pleat portion 26 and an inner pleat portion 28 on one side of the outer tube 22 and the inner tube 24. To form, but the inner pipe 22 is embedded in the midsole of the safety shoes, characterized in that the length of both ends of the outer shape (24) slightly longer. The outer pipe portion (26) and the inner wrinkle portion (28) of claim 1, wherein the air pipe (20) inserts an inner tube (24) formed of a hard synthetic resin material into an outer portion (22) formed of a soft synthetic resin material. ) So that the outer space portion 30 and the inner space portion 32 are formed at both ends of the exterior (22), the air pipe embedded in the midsole of the safety shoes.