JP2002106242A - Slide door of low temperature storage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slide door of a sliding door type low temperature storage requiring little of an opening and closing space for the door, capable of preventing entering of outside air, and lightly opened and closed. SOLUTION: This sliding door is provided with a door 1a for covering a front opening 3 of a main body 2 of the low temperature storage to be flush with each other, a handle 1b for operating the door 1a to be opened and closed, support pins 4a, 4b, 4c, 4d projected on the top and bottom of the door 1a, upper and lower arms 8a, 8b, 8c, 8d having insert holes 5a, 5b, 5c, 5d engaged with the support pins 4a, 4b, 4c, 4d at one end, and rotating shafts 6a, 6b, 6c, 6d mounted on the main body 2 and insert holes 7a, 7b, 7c, 7d engaged with the rotating shafts 6a, 6b, 6c, 6d at the other end, and a roller assembly 9 provided on the middle parts of the upper arms 8a, 8b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door of a low-temperature storage for storing agricultural products such as brown rice at a low temperature, and more particularly to a sliding door of a low-temperature storage which is more space-saving than a swing door such as a double door.

[0002]

2. Description of the Related Art As a conventional example filed by the present applicant, Japanese Patent Application Laid-Open No.
JP-A-168968, Japanese Patent Application Laid-Open No. 11-173745 as an example in which an individual can be opened and closed via an upper and lower support mechanism of the door, and a pair of doors closing an opening of the individual. Japanese Patent Application Laid-Open No. H11-173949 is known as an example having a double door that adopts a swing type door.

[0003]

However, in a conventional low-temperature storage provided with a swing-type door, a space corresponding to the width of the door is required at the time of opening and closing, so that an installation site having a floor area that allows for the width is required. Had to be limited to

The present invention has been made in view of the above circumstances, requires almost no opening / closing space, further eliminates a gap between the main body and the door, prevents outside air from entering, and provides a door. It is an object of the present invention to provide a sliding door of a sliding door type low temperature storage that can be opened and closed lightly.

[0005]

According to the present invention, there is provided a door for covering a front opening of a main body with the same surface.
A handle for opening and closing the door, a support pin protruding from the top and bottom of the door, an insertion hole at one end capable of engaging with the support pin, and a rotation shaft provided on the body at the other end. Upper and lower arms with possible insertion holes and a roller assembly in the middle of the upper arm. Further, the roller assembly includes a roller, a support member rotatably supporting the roller, and a support pin formed on the upper surface of the support member so that the roller assembly can move on the upper surface of the main body with an arc locus. It is characterized by the following. further,
A gasket in which a magnet is fixed inside which can be separated in an oblique direction while maintaining airtightness is mounted on four sides of a surface covering a front opening of a door body.

According to such a configuration, while maintaining the same airtightness as that of the conventional swing door, the opening and closing space of the conventional swing door is not required, so that the space can be saved, and the capacity is increased in the same space. Large cold storage can now be installed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on one embodiment of the present invention shown in the attached drawings.

FIGS. 1 to 7 show an embodiment of the present invention. FIG. 1 is a front view of a sliding door of a low-temperature storage.
2 is a view taken in the direction of the arrow A in FIG. 1, FIG. 3 is a back view of the slide door (a face covering the front opening of the low-temperature storage main body), and FIG.
FIG. 5 is a perspective view of a roller assembly provided on the upper arm of the slide door of the present invention, FIG. 6 is an explanatory view of the open / closed state of the slide door, and FIG. 7 is an opened view of the slide door. It is a low temperature storage explanatory drawing of a state.

[0009] The sliding door 1 of the low-temperature storage of the present invention comprises:
As shown in FIGS. 1 and 2, a door 1a filled with a heat insulating material covering the front opening 3 of the low-temperature storage main body 2 on the same plane, a handle 1b for opening and closing the door 1a, and a top and a bottom of the door 1a are provided. The support pins 4a, 4b,
4c, 4d, insertion holes 5a, 5b at one end capable of engaging with the support pins 4a, 4b, and insertion holes 7a at the other end engageable with rotating shafts 6a, 6b provided on the upper part of the low-temperature storage main body 2. , 7
b, upper arms 8a and 8b, and insertion holes 5c and 5d at one end engageable with support pins 4c and 4d, and at the other end are engaged with rotating shafts 6c and 6d provided at the lower part of the low temperature storage main body 2. Lower arm 8c with possible insertion holes 7c, 7d,
8d, a roller assembly 9 provided so that the upper arms 8a and 8b can move smoothly, and a stopper 14 on the upper surface of the storage main body 2.

On the other hand, an opening (not shown) is provided on the upper part of the low-temperature storage main body 2, and a cooling system 13 is installed so as to cover the opening, and the inside of the low-temperature storage main body 2 is cooled by the cooling system 13.

Referring to FIG. 3 and FIG. 4, a gasket 10 having excellent airtightness is provided around four sides of a surface of the door 1a which covers the front opening 3 of the low temperature storage main body 2.
The magnet 12 is fixed inside the low temperature storage main body 2 side of the gasket 10. In addition,
The outer plate of the low-temperature storage main body 2 is made of a magnetic material such as an iron plate in consideration of the attraction of the magnet 12.

A roller assembly 9 which is made of a thick plate that supports the weight of the door 1a and is provided so that the upper arms 8a and 8b can move smoothly is provided at an intermediate portion between the upper arms 8a and 8b. .

Referring again to FIGS. 1, 2 and 5, the roller assembly 9 includes a roller 9a, a supporting member 9c for supporting a rotating shaft 9b of the roller 9a, and a roller 9a on the upper surface of the supporting member 9c. A support pin 9d is provided so that the assembly 9 can be rotated in a planar direction. Since the support pins 9d are rotatably supported in a horizontal plane at an intermediate portion of the upper arms 8a and 8b, the upper arms 8a and 8b are
When the roller 9a rotates slightly around the support pin 9d when rotating about the rotation shafts 6a and 6b provided at the upper part of the roller 9a, the roller assembly 9 causes the upper surface of the storage body 2 to form an arc. The operation force of the slide door 1 is reduced by moving along the locus.

As shown in FIG. 1 and FIG.
A stopper 14 for stopping the slide door 1 in a fully opened state is provided on the upper surface of the slide door 1. This stopper 14
Has a cylindrical shape, and the outer periphery thereof is coated with an elastic material such as rubber. The side surface of the upper arm 8b (or 8a, of course) may be softly contacted to stop the slide door 1, and the inner surface of the slide door 1 may be kept at a low temperature. Collision with the front surface other than the opening 3 of the storage main body 2 is prevented.

Next, referring to FIGS. 6 and 7,
The operation of this embodiment will be described.
To the right, the upper and lower arms 8a, 8b, 8c, 8d rotate about the rotation shafts 6a, 6b, 6c, 6d provided on the low-temperature storage main body 2, so that the upper and lower arms are rotated. Insertion holes 5a, 5b, 5c,
5d and the support pins 4a, 4b, 4c, 4d of the door 1a, the door 1a moves rightward via the near side as shown in FIG.
Is translated in a circular locus as indicated by the arrow M in FIG.

At this time, the roller assembly 9 is attached to the upper arm 8.
Since the upper surface of the storage body 2 is moved along an arc locus while supporting the a and b, the weight of the slide door 1 is borne, and the operating force of the handle 1b is reduced by the rolling friction of the roller 9a.

Referring to FIG. 7 showing the slide door 1 fully opened from the front, when bags G containing brown rice and the like are stored in the low temperature storage main body 2 through the opening 3 in the main body,
The slide door 1 is located in the right front direction to facilitate storage of the bag G.

The gasket 1 on the back of the door 1a
Since the sliding door 1 can be separated from the outer plate of the low-temperature storage main body 2 in an oblique direction, the sliding door 1 can be easily opened and closed, and is fixed inside the gasket 10 when the sliding door 1 is closed. The airtightness of the front opening 3 of the low-temperature storage main body 2 can be maintained in cooperation with the magnet 12 that is provided.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the appended claims. It is possible to do. For example, one end of each of the upper and lower arms 8a, 8b, 8c, 8d has an insertion hole 5a,
5b, 5c, 5d, and insertion holes 7a, 7b, 7c, 7 at the other end.
d, and the upper and lower rotating shafts 6a, 6b, 6c, 6 of the low and high temperature storage body 2 on the top and bottom support pins 4a, 4b, 4c, 4d of the door 1a on the side engaging the respective insertion holes.
Although d is provided, the relationship between the insertion hole and the support pin and the relationship between the insertion hole and the rotation axis may be reversed.

[0020]

According to the first aspect of the present invention, a door that covers the front opening of the main body with the same surface, a handle for opening and closing the door, and first supports provided on the top and bottom of the door are provided. Means, a first engaging means engageable with the first supporting means at one end, a second supporting means provided on the body at the other end, and a second engaging means capable of engaging with the second supporting means. The upper and lower arms having engaging means of the above, and a roller assembly is provided in the middle part of the upper arm, and the upper arm can move smoothly while supporting the weight of the door, so that almost all opening and closing space is required. It is possible to provide a sliding door of a cold storage system that does not have a sliding door. According to the present invention, the first support means employs a support pin projecting from the top and bottom of the door, and the second support means is a rotating shaft provided on the main body. In addition, since the first and second engaging means are insertion holes, it is possible to provide a slide door of a low-temperature storage with higher productivity. According to the third aspect of the present invention, the roller assembly has a roller, a support member rotatably supporting the roller, and a roller assembly that is movable on the upper surface of the main body with an arc locus on the upper surface of the support member. Is provided, a sliding door of a sliding door type low-temperature storage that enables the door to be opened and closed more lightly can be provided. Furthermore, in the present invention described in claim 4, a gasket in which a magnet is fixed inside the diagonally detachable interior while maintaining airtightness is mounted on four sides of a surface covering the front opening of the door body. Therefore, it is possible to provide a sliding door of a sliding door type low-temperature storage that can further eliminate the gap between the main body and the door and prevent the outside air from entering.

[Brief description of the drawings]

FIG. 1 is a front view of a sliding door of the present invention.

FIG. 2 is a view taken in the direction of arrow A in FIG. 1;

FIG. 3 is a rear view of the slide door.

FIG. 4 is a view taken in the direction of the arrow C in the BB section of FIG. 1;

FIG. 5 is a perspective view of a roller assembly provided on an upper arm of the slide door according to the present invention.

FIG. 6 is an explanatory diagram of the open / closed state of the slide door of the present invention.

FIG. 7 is an explanatory view of a low-temperature storage with the sliding door of the present invention opened.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Sliding door 1a ... Door 1b ... Handle 2 ... Low temperature storage main body 3 ... Front opening 4a, 4b, 4c, 4d ... Support pin (first support) Means) 5a, 5b, 5c, 5d ... insertion holes (first engaging means) 6a, 6b, 6c, 6d ... rotating shafts (second supporting means) 7a, 7b, 7c, 7d ..Insertion holes (second engagement means) 8a, 8b: upper arm 8c, 8d: lower arm 9: roller assembly 9a: roller 9c: support member 9d・ Support pin (support pin) 10 ・ ・ ・ Gasket 12 ・ ・ ・ Magnet

Claims (4)

[Claims] 1. A door covering a front opening of a main body with a same surface;
A handle for opening and closing the door, first support means provided on the top and bottom of the door, first engagement means engageable with the first support means at one end, and the other end Upper and lower arms having second support means provided on the main body and second engagement means engageable with the second support means;
A slide door for a low-temperature storage, wherein a roller assembly is provided at an intermediate portion of the upper arm so that the upper arm can move smoothly while supporting the weight of the door. 2. The first support means is a support pin protruding from a top and a bottom of the door, and the second support means is a rotation shaft provided on a main body. 2. The sliding door of a low-temperature storage according to claim 1, wherein the second engaging means is an insertion hole. 3. The roller assembly is a roller and a support member rotatably supporting the roller. The roller assembly is formed on an upper surface of the support member such that the roller assembly can move on the upper surface of the main body along an arc locus. The sliding door of a cold storage according to claim 1, further comprising a pivot pin. 4. A gasket in which a magnet is fixed in an interior which can be separated in an oblique direction while maintaining airtightness, is mounted on four sides of a surface covering a front opening of the door main body. The sliding door of a low-temperature storage according to claim 1.