KR20140026952A - A inner circulatin movement type shoe case - Google Patents

Abstract

The present invention relates to an internal circulative movement-type shoe rack with a double supporting structure, and, more specifically, to an internal circulative movement-type shoe rack having a unit which circulates the shoes inside the shoe rack, and a hygiene management unit, which removes moisture from the shoes that are circulated, and sterilizes and deodorizes the shoes. As referred to later, disclosed is an internal circulative movement-type shoe rack with a double supporting structure, wherein the internal circulative movement-type shoe rack comprises: a moving path for a chain, functioning as a circulative/rotational movement unit and hung on multiple sprockets, to circulate and rotate inside the shoe rack; tray pins hung on the chain; trays connected to the tray pins and allowing shoes to be put thereon; tray supporting bodies installed at an intermediate wall, having the top ends thereof inserted with the tray pins and the bottom ends thereof inserted with tray rollers, and having bearings preventing the trays from being influenced by the rotations of the tray pins and the tray rollers; the intermediate wall installed between the chain and the trays, and covering the rear wall plate on the inside; a guide rail formed in the intermediate wall and corresponding to a path in which the tray pins move; and hygiene management units such as a blowing unit, a deodorizing unit, and a sterilizing unit which are installed inside the shoe rack.

Description

[0001] The present invention relates to an inner circulation movement type shoe case having a double support structure,

The present invention relates to an internal circulation mobile shoe box having a double support structure, and more particularly, to a shoe sole which is capable of circulating and moving shoe within a shoe box and sanitary control means The present invention relates to an internal circulation mobile shoe box provided with a portable shoe.

The shoe is worn in a state fit to the foot when it is worn, so sweat and moisture can not be easily absorbed in the inside, and sweat is generated in the shoe due to lack of air permeability, and odor is generated. Resulting in the generation of various harmful bacteria such as fungal anthracnose.

In particular, it is desirable for a soldier or a student to manage his or her personal shoes independently, but it is difficult for everyone to expect their shoes to be cleanly maintained. Even if you manage your own shoes, it is a reality that today, in a space where many people live together, they are suffering from the stench of shoes.

Therefore, it is required that the shoe box where the deodorizing and disinfection / purifying function is exhibited for hygienic shoe management at the home, community, and community facilities is required. Therefore, the shoe stored in the shoe box is rotated up, down, left and right And a hygienic shoe sole that performs hygienic shoe management to a deodorizing and sterilizing function.

A number of shoe boxes for sterilizing various noxious bacteria such as athlete's foot have been disclosed by eliminating odor and harmful bacteria generated in shoes. The prior art disclosed in Patent Document 511691 discloses a shoe sterilizer And a charcoal pack filled with a charcoal pack for removing moisture from the inside of the shoe is installed inside the shoe so as to be inserted inside the shoe. Infrared shoe sterilizer for drying and sterilizing the inside of the shoe so that the shoe can be dried and sterilized, and a far-infrared shoe sterilizer inserted and drawn into the shoe is installed in the storage room of the shoe box body to improve the drying, A shoe box using a far-infrared shoe sterilizer is disclosed.

In addition, in the registered utility model No. 422381, an air intake fan is formed on the upper side of the shoe box to constitute an effect of sterilizing, antibacterial, odor deodorizing, drying and the like of bacteria propagating in shoes during shoe storage, And a supply passage is formed along a wall surface of the main body, and a discharge passage through which air flows from the supply passage is formed below the shelves and the ceiling, respectively, and a uv lamp And an ultraviolet light is irradiated to the inside of the shoe. An anion generating device and a far-infrared heater are sequentially installed between the air intake fan and the supply passage to heat the air supplied through the supply passage so that negative ions and far- .

In addition, in the patent application 2005 54487 application, an air purifying device including a multifunctional active material such as activated charcoal and / or charcoal is installed in the shoe box to purify the air inside the shoe box, A shoe box having an air purifying function capable of effectively removing odor, harmful bacteria and moisture generated in shoes is provided, and a space for installing an air purifier box is formed at one side of the main body, and an air purifier box containing activated charcoal and charcoal A ventilation hole is provided in any one of the partition or the plate adjacent to the air purification box so as to communicate the storage space and the space portion so that the inside air can be circulated, And a ventilation hole is provided so that the ventilation hole can be introduced The.

However, in the shoe box having the deodorizing and sterilizing / purifying function, which has appeared in the above-mentioned related art, the storage spaces are separately formed by the shelves and the partition which are installed in multi-stages, and the heaters, shoe sterilizers, UV lamps, , A control device for controlling these devices, a sensor for sensing whether the shoe is stored in the control device or not, a ventilation device, a filter for filtering, and other devices for deodorizing and sterilizing functions are separately installed in each storage space. The cost of production increases along with the complexity. Since the power consumption is large due to the operation of each of them separately, enormous energy is required, so that the price of the shoe box is inevitably set to a high price. In addition, As the cost of energy (electricity tax) is not sufficient, And as a result, it is not applicable to market entry.

Therefore, there is a demand for a shoe box which can operate stablely as a minimum facility and can be cleaned and sanitized at a low cost.

The present invention has been made in view of the above problems of the prior art, and it is an object of the present invention to provide a shoe box which is structurally simple, economical and hygienic, and can be sterilized and cleaned without being odorous in a home, office, educational facility, The present invention is an invention started with the task of providing a mobile phone.

The present invention provides a sterilizing and drying effect by far-infrared rays in a low-temperature environment by incorporating a heating means of a far-infrared radiation structure inside a shoe box, and at the same time, a shoe stored in a shoe box is rotated and rotated in a desired direction And is intended to provide a shoe box having a structure in which the air is heated by a far-infrared ray generating heat, performs a drying / odor removing function, and induces upflow airflow in which warm air is discharged to the upper part of the shoe box, .

In order to achieve the above object, the present invention has a technical idea for providing a sterilizing and drying effect by far-infrared rays even in a low-temperature atmosphere by incorporating a warming means of a far-infrared radiation structure inside a shoe box.

Far infrared rays have characteristics of high permeability and have the characteristic of causing self heat generation in the infiltrated area. When applied to shoes, far infrared rays penetrate uniformly into element elements of shoes and cause self heat generation, And the disinfection, purification and drying process by the decomposition effect which promotes the decomposition of odor inducing bacteria and other harmful bacteria attached to the corners of the inner structure of the shoe to the outside.

In recent years, a method of sterilizing by mechanical heating during the drying process of fish cake, vegetable, fish, etc. has been widely used in the food field in recent years, but recently far-infrared heating means for sterilization has been applied, When the far infrared ray is irradiated on the body, the far infrared ray self-generated heat generated on the surface portion is used to heat the food, and the solid food is packaged in a plastic film such as polyester or nylon which is thin and heat resistant, Is applied as a method of easily sterilizing food by heat generated from food surface of package contents. In this case, far infrared ray sterilization is a far infrared ray in a wavelength range that is not absorbed by plastic film, It is a technique that uses a unique self-heating.

The material to be bonded to the surface heating element in order to form the far infrared ray radiation sheet inside the shoe box of the present invention is selected and used in the laminated wood and the hemp, and has the advantages of excellent antimicrobial property, drape property, ventilation property, durability, strength and heat resistance. It has been used as a raw material of ropes and automobile tires in the past because of its excellent strength and durability. It also has the property of automatically controlling moisture and heat, and has antimicrobial and antitoxic properties A far infrared ray radiation sheet can be obtained by attaching to a side wall of a shoe box by mixing a material having a high far-infrared radiation effect with an antimicrobial binder and coating the material with yellow soil and charcoal.

In addition, the shoe box provided in the present invention is a means for moving the shoe in the desired direction in the up, down, left, and right directions within the shoe display part. In the inside of the rotating means, a chain is attached to a plurality of sprockets, And the other end of the tray pin protrudes transversely to the outside of the guide rail of the intermediate wall. The protruding tray pin has a structure in which the entire chain is rotated simultaneously by rotating one of the tray pins, The tray plate of the structure in which the shoe can be placed can be fixed by a structure in which the tray support rotates independently of the tray pin

The tray support includes a tray pin and a tray roller shaft rotatably mounted on the tray support. The tray roller has a rail portion formed in a concave groove shape, and the concave rail portion extends along the guide rails of the intermediate wall, The present invention can be applied to a configuration in which a desired direction is moved.

The shoe box provided in the present invention can be narrow or wide so that the width of the guide rail formed on the intermediate wall corresponds to the movement path of the tray pin and the tray roller. In the vertical movement path, However, since the tray pin and the tray roller move horizontally in the horizontal movement path, the tray pin and the tray roller are applied in a form having a wider spacing as the length of the pin.

In addition, the shoe box provided by the technical idea of the present invention promotes the far-infrared ray radiation effect and promotes the decomposition of odor-inducing bacteria and other harmful bacteria attached to the inside of the shoe, In order to dry the shoe in the conventional shoe structure, the drying and disinfection process is carried out at a temperature of 80 to 90 ° C. by using an electric heater. In comparison with the drying and disinfection process, far infrared rays are emitted on the sidewalls and the thick plates Since the far infrared ray sheet coated on the hemp and coated with the surface heating element is applied and applied, the infrared ray irradiation effect even if the inside temperature of the shoe box is in the range of 40 ± 10 ° C when the tray plate in which the shoe is mounted is circulated / The shoes are dried for about 1 hour. It is a completed invention by confirming the fact that it is resolved.

Therefore, in this case, if a shoe is put on a shoe box and a shoe is taken off for 1 ~ 2 hours, the shoe is heated to 40 ± 10 ℃ by applying power to the heating element 1 hour before the scheduled shoe wearing time. It is possible to obtain the effect of wearing shoes that are in a state of being smoothed with antibacterial / deodorant / dry by the effect of far-infrared radiation.

In addition, the tray plate in which the shoe is housed in the shoe box of the present invention is provided in a slightly inclined downward direction, and when the heel portion of the shoe is stored in a downward inclination angle of about 20 to 40 degrees, When the outside air is heated to the range of 40 ± 10 ° C as it passes through the shoe box, the foot heel is placed on the lower side of the shoe tray plate when the air flows upward, so that the inside air heated by the far infrared rays flows into the ankle opening of the shoe, And penetrates to the bottom of the shoe front part of the shoe to cause self-heating. It permeates uniformly to the element elements of the bottom of the shoe so as to be heated, thereby decomposing odor-inducing bacteria and other harmful bacteria attached to every corner of the shoe And air can be applied to the upper part.

Also, in the present invention, the lower end of the shoe storage chamber has an inlet for introducing outside air, and the warmed air is exhausted to the upper end of the shoe box so that the heated air in the shoe box is supplied to the upper stream, And the exhaust air is discharged to the outside. The unpleasant odor is discharged to pollute the room air. Therefore, the odor is removed from the shoe box exhaust line through the deodorizer box. As shown in FIG.

The shoe box provided in the present invention is provided to move the shoe in a desired direction in the upper, lower, left, and right directions within the shoe storage compartment and to provide a sterilizing and drying effect by the far-infrared rays. By using the principle that the hot air flows upward, The air inlet is provided at the lower part of the pouring port, and the air is discharged to the upper part of the shoe box, and the shoe box is structured to discharge the air through the deodorizer box before the pouring. And an antibacterial action at the same time.

The shoe box provided in the present invention is a structure that supports the trays safely during a mechanical operation process in which the shoe is moved in a desired direction in the up, down, left, and right directions and has a double support structure. Even if a heavyweight shoe is placed on the tray, It has an effect that it is possible to prevent the trailing edge from falling down.

FIG. 1A is a perspective view showing an outer shape of an inner loop portable shoe box provided in the present invention; FIG.
FIG. 1B is a side perspective view of the inner circular mobile shoe box internal structure provided herein. FIG.
Fig. 2a shows an example of the internal configuration of the rotating means built-in portion in the shoebox of the present invention;
Fig. 2b is an exploded perspective view of the rotary part built-in part in the main shoe box.
FIG. 3a is a perspective view illustrating a configuration of a tray that is hooked on a tray pin in a shoe box of the present invention;
FIG. 3b is a side view illustrating the configuration of a tray that is hooked to a tray pin in a shoelace in the present invention;
Figure 4 is an illustration of the spacing of guide rails through which a tray pin passes in the shoelace.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. And the scope of protection of the present invention should be construed in accordance with the meaning and concept of the invention in accordance with the technical idea of the invention, and the drawings presented below show one application mode for attaining the purpose of the present invention It is to be understood that various equivalents and modifications may be made thereto at the time of filing of the present application, since they are not merely representative of the technical ideas of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an outer shape of an internal circulation mobile shoe box provided in the present invention. FIG. 1 (a) is a perspective view of a shoe box 100 shown in the technical idea of the present invention, 1, a shoe box having a rear plate 17 and a bottom plate 18 and having a rectangular rectangular frame, which is not shown in Fig. 1, is provided with a shoe inlet / outlet 11 And a hinge part 14 between the front plate 10 and the side wall 15 and having an exhaust hole (not shown) at the upper end of the side wall 15, Lt; RTI ID = 0.0 > 61). ≪ / RTI >

1B is a perspective view of a far infrared ray-emitting sheet 20 attached to the inner side of both side walls 15 and 15 'for performing a drying / odor removing function of shoes stored in the shoe box 100 shown in FIG. 1A, 18 is heated by the far-infrared ray sheet 20 to swirl inside the storage space of the shoe box, and air warmed is provided between the top plate 16 and the one side wall 15 of the shoe box And an exhaust port 61 that is discharged via the deodorizer box 60.

1, the far-infrared radiation sheet 20 is attached to the inner side of both side walls 15 and 15 'of the shoe storage space to form a warmed structure. The far-infrared radiation sheet 20 is made of yellow soil and charcoal Far infrared radiation material contained in the far infrared ray emitting material is blended with an antimicrobial binder containing the baked shell powder at a high temperature of 1200 DEG C and then immersed or coated on a substrate provided with a wood or hemp yarn, Is attached to the inner side of both side walls 15 and 15 'of the shoe sole so that the shoe storage space is provided with a heating structure by the far infrared ray heat and an outer air inlet 18a through which the outside air flows is provided at the lower end of the shoe box The outside air introduced into the shoe box is warmed by the heating heat of the far-infrared ray radiation sheet 20 attached to the inside of the side walls 15, 15 'and laid on the tray plate 50 of the shoe storage space The deodorant box (60) is provided at the upper end of the shoe box. The deodorant box (60) is provided at the upper end of the shoe box and has an exhaust port (61) through which the warmed exhaust gas is exhausted. The odor absorbed by the inside of the space passes through the deodorizer box 60 through the deodorizer box 60 and is exhausted through the exhaust port 61. This eliminates the odor generating structure in the room where the shoe box is installed.

The far infrared ray radiation sheet production example applied to make the far infrared ray radiation effect in the shoe structure of the present invention can be applied as follows, wherein the raw yellow soil is 70 ± 10 parts by weight, the elvan powder is 20 ± 5 parts by weight, 100 parts by weight of a far infrared ray emitting material are mixed to prepare an antimicrobial binder which is put in a glutinous rice paste at a temperature of 1200 캜 at a high temperature of 10 ± 5 parts by weight and the mixture is coated on a fabric provided with hemp (This is disclosed in the description of practical application No. 2012-7542 filed by the applicant in the art of making a far-infrared radiation sheet, so that the production example of the far-infrared radiation sheet is omitted herein) .

FIG. 2 is a side view of the shoe box showing the front panel 10, the side walls 15 and 15 ', the top panel 16 2A, the rotating means built-in portion 40 is provided between the rear plate 17 and the intermediate wall 30 of the shoe box provided in the present invention, The tray pin 43 has a structure in which the tray pin 43 protrudes along the guide rail 31 formed on the intermediate wall 30 and has the intermediate wall 30 between the means internal part 40 and the shoe storage space, 2B shows a state in which the intermediate wall 30 in FIG. 2A is separated from the back plate 17 and the rotation means built-in portion (FIG. 40, and the rotating means built-in portion 40 is provided with a rear surface A plurality of sprockets 41 are installed on the plate 17 and the chain 42 is hooked on the sprocket so that the sprocket can be circulated and rotated while the tray pin 43 is engaged with the chain at a predetermined width.

In FIG. 2B, the sprocket 41 may be directly connected to the rear plate 17 of the rotating means built-in portion or may be indirectly connected to another frame through the sprocket 41. In one of the installed sprockets, An electric motor including a decelerator is connected so that the electric motor is operated so that the sprocket can be rotated at a constant speed and all the sprockets can be simultaneously rotated by the chain even if only one sprocket connected to the motor is rotated, The chain 42 may be provided in a single-stage chain or may be provided in a two-stage chain as illustrated in Fig. 3, and the chain 42 may be hooked on the sprocket 41, The chain 42 can be moved in the forward or reverse direction by the rotation of the chain 42. The movement path of the chain 42 is the same as that shown in Fig. It is needless to say that the present invention can be variously modified and applied in a manner that the movement path of the chain 42 and the guide rail 31 formed on the intermediate wall 30 coincide with each other.

The tray pin 43 is flush with the chain 42 and is rotated together with the movement of the chain. When the tray pin 43 is rotated, the tray plate 50 Are also connected to the tray pin 43 and are rotated together along the guide rails 31 formed on the intermediate wall 30.

3 shows a structure in which a tray roller 45 for supporting and assisting the tray plate so as to rotate securely while holding the tray plate 50 at the center when the tray plate 50 is connected to the tray pin 43 is installed In which the tray plate 50 is stably rotated along the guide rails 31 in the shoe storage space outside the intermediate wall 30. In Figure 3a, the intermediate wall 30 is omitted, 3B is a perspective view showing a structure in which the tray plate 50 and the tray plate 50 are connected to each other by a complementary structure so that the tray plate 50 is centered. And the tray roller 45 is rotated along the guide rail 31 formed on the tray pin 43 and the tray plate 50 so as to rotate around the center of the tray pin 43 and the tray plate 50.

The tray provided in the present invention includes a tray plate 50 configured to mount a shoe and a tray support 51 installed on one side of the tray plate to connect the tray pin 43 to be hooked The upper end of the tray support 51 has a hole structure in which the tray pin 43 is inserted and has a hole through which the connection shaft 46 of the tray roller 45 is inserted. 51 may be applied to a structure in which the tray plate 50 is connected by screwing or the like.

A tray cap 43 is provided at a portion of the upper end of the tray support body 51 protruding from the intermediate wall 30 and a tray pin 43 is provided at an upper end of the tray support body 51, And the connection shaft 46 of the tray roller 45 is inserted and rotated in a hole in the center of the tray support 51 so that the upper hole and the tray pin 40 are rotated, A bearing 2 (53) is built in / installed between the center hole and the connecting shaft 46 of the tray roller 45 so that the tray pin 43 And the rotation of the tray plate 50 are smoothly rotated.

The tray plate 41 connected to the lower end of the tray support 51 is provided in a slightly inclined downward direction with respect to the front portion, that is, with reference to FIG. 3B, so that the heel portion of the shoe is downward, Air heated by the far-infrared radiation sheet to the temperature range of 40 ± 10 ° C is flowed upward and the lower air stream of the shoe tray plate Infrared air heated by the far infrared rays flows into the ankle entrance of the shoe, flows out through the front hoof sealing part, and inflows far infrared rays to the foot bottom of the shoe so as to generate self heat, and uniformly penetrates the element elements of the shoe bottom By heating, the slope of the tray plate is adjusted to about 20 degrees so as to promote decomposition of odor-inducing bacteria and other harmful bacteria attached to the inside of the shoe 40 is preferably applied to achieve a range.

The tray roller 45 is provided in the shape of a wheel with jaws formed on both sides and moves along the guide rail while rotating together with the tray pin 43. The intermediate portion is formed to be slightly thicker than the thickness of the intermediate wall 30 So that the tray roller 45 can be prevented from being detached from the guide rail 31 by the jaws on both sides of the tray roller 45. [

The tray roller 45 is moved along the guide rail 31 formed on the intermediate wall 30 in accordance with the movement path of the chain and the guide rail 31 is moved between the tray pin 50 and the tray roller 65 The tray pin 43 and the tray roller 45 are moved along the same movement path. However, when the tray is moved horizontally (horizontally) from the ground, The path of the tray pin 43 and the tray roller 45 are formed to be different from each other, and a height corresponding to the distance between the tray pin and the tray roller is required in addition to the guide rail.

Looking at the shape of the tray wall 30 and the guide rail 31 forming structure with reference to FIG. However, since the tray pin 43 and the tray roller 45 move horizontally together in the upper and lower paths that move horizontally, the interval between the guide rails is shown.

4 is a diagram illustrating an example of the shape of a tray passing through the guide rail 31. The position of the tray when vertically moving horizontally and horizontally horizontally is illustrated as an example. The tray pin 43 on the upper side and the tray roller 45 on the lower side are doubly supported up and down in the same line and the concave groove 45a of the tray roller 45 is guided to the intermediate wall 30 When the tray pin 43 is moved horizontally in the transverse direction, when the upper tray pin 43 and the lower tray roller 45 move transversely in a vertical state, The portion 45a is supported at the lower end of the guide rail 31 and stably supports the tray so that even if heavy shoes such as boots are put on the tray plate 50, Without shows that it can be applied to be able to move securely circulate inside shoe.

Infrared radiation sheet was attached to the shoe box sample product manufactured by applying the technical idea of the present invention and the far infrared ray emissivity was measured inside the shoe box while keeping the temperature at 40 캜. As a result, the results shown in Table 1 were obtained.

 division  The average emissivity (5-20 [mu] m)  Radiant energy (W / ㎡) Inside the shoe box
 0.922 3.72 x 10 ^-2

The ammonia deodorization test and the formaldehyde deodorization test were carried out in order to confirm that the shoe box made by applying the technical idea of the present invention had deodorization performance, and the results of Table 2 were obtained.

 division  Elapsed time (min) blank concentration (ppm) Sample concentration (ppm)  Deodorization rate (%)
Ammonia deodorization test

 30 492 91 81.5  60 413 38 90.7  90 359 18 95.0  120 311 3 99.0  Elapsed time (min) blank concentration (ppm) Sample concentration (ppm)  Deodorization rate (%) Formaldehyde
Deodorization test

30 306 236 23.6 60 275 178 35.2 90 244 129 47.1 120 216 98 54.6

From the above experimental results, it was confirmed that the shoe shoe provided with the far-infrared radiation sheet had 99.0% removal effect after 2 hours in the experiment of ammonia deodorization close to the foot odor by applying the technical idea of the present invention. Shoes that were stored for more than 3 hours in a shoe box installed were smoothly dried on the floor and confirmed that the smell was not felt at all.

10: front plate 11: shoe inlets and outlets
12: input number part 13: handle part
14: Hinge connecting parts 15, 15 ': Both side wall plates
16: upper plate 17: rear plate
18: bottom plate 20: far-infrared radiation sheet
30: intermediate wall 31: guide rail
40: rotation means built-in portion 41: sprocket
42: chain 43: tray pin
44: connection cap 45: tray roller
46: connecting shaft 50: tray plate
51: tray support 52: bearing 1
53: Bearing 2 60: Deodorant box
61: exhaust port 100: shoe box
100: shoe box

Claims (4)

In the shoe closet is applied to move the shoe is stored with the inner means of the rotating means and the shoe storage unit and the intermediate wall formed between the guide rail therebetween up, down, left and right,
As a means for moving the shoes in the shoe storage unit of the shoe rack in a desired direction up, down, left, and right, the inner part of the rotating means is hooked to a plurality of sprockets and rotates one of the sprockets by a separate power means. This structure is rotated at the same time, the tray pin is inserted and fixed in the middle of the chain and the other end of the tray pin to form a structure that protrudes to the outside of the guide rail of the middle wall horizontally and the protruding tray pin can put the shoes The tray plate of the configuration is fixed to a structure that is rotated independently on one side of the tray support,
The tray support is fixed to the upper end of the tray support while the tray pin is rotated independently, and the upper end of the tray support is fixed to the tray support, and the tray roller which is caught on the other end of the connection shaft has a concave groove-shaped rail. The inner circulation movable shoe cabinet, characterized in that the rail is applied to move in the desired direction up, down, left, right of the shoe rack along the guide rail of the intermediate wall. The method of claim 1,
The Far Infrared radiation sheet is coated with a far infrared ray radiation material containing yellow soil and char component by an antimicrobial binder and then coated on a cotton or hemp cloth, And a far-infrared ray radiation sheet formed by laminating with a heating element. The method of claim 1,
The width of the guide rail formed on the intermediate wall of the inner circulation mobile shoe box is narrow and the width of the guide rail forming the horizontal plane is wide so that the width of the guide rail forming the vertical surface corresponds to the movement path of the tray pin and the tray roller. Internal circulation mobile shoe box. The method of claim 1,
Wherein a bearing is used when the connection shaft of the tray pin and the tray roller is fixed to the tray support so as to smoothly rotate the tray.

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