JP2003262454A - Opening/closing door for cold insulation storage for farm product - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the degree of freedom in opening/closing a parting type opening/ closing door while preventing the escape of cold air in a cold insulation storage for farm products. <P>SOLUTION: A front opening part of the cold insulation storage 1 composed of heat insulating panels is provided with left and right doors 2a, 2b opened in a biparting manner. A center pillar 7 formed of heat insulating panels is disposed at the joint part inner side face of the left and right doors 2a, 2b. Left and right hooks 10, 10 and a simultaneous opening impeding bar 14 are interposed and linked between the center pillar 7 and left and right opening/closing handles 5, 5 provided at the left and right doors 2a, 2b. In association with the opening operation of the left handle 5 of the left door 2a, for instance, the center pillar 7 is locked to the right handle 5 of the right door 2b in the closed state through the left hook and the simultaneous opening/closing impeding bar 14. Either one of the left and right doors 2a, 2b can be independently opened/closed, and if either one of the left and right doors 2a, 2b is operated to open, the center pillar 7 is locked to the handle of the other door which is not open, to improve the degree of freedom in opening/closing operation of the left and right doors. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open / close door for a cool store for agricultural products. 2. Description of the Related Art An agricultural product storage having a box-shaped storage and a double door opening / closing door at a front opening of the storage, and storing agricultural products in the storage. A heat-insulating partition member (equivalent to a center pillar) which can be fixed to any of the opening and closing doors is known (for example, JP-A-10-164969). [0003] A heat insulating partition member provided at a joint portion of a conventional agricultural product storage opening and closing door is fixed to one of the left and right opening doors. Therefore, it is possible to prevent cold air from escaping from the joint of the opening and closing door, and it is easy for the person who recognizes the door with the partition member not fixed when opening and closing agricultural products to open and close, but the partition member is For a person who does not recognize the fixed door, the other door must be opened together, and there is a disadvantage that the opening / closing operation is difficult. Therefore, the present invention is to solve such a disadvantage. [0005] In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that the box 3 is constituted by a heat insulating panel, and a left opening which is opened and closed in a double opening manner at a front opening.・
In a cold storage for agricultural products provided with the right doors 2a and 2b, a center pillar 7 composed of a heat insulating panel is disposed on the inner surface of the joint between the left and right doors 2a and 2b.
2b, left and right handles 5 and 5
The right locking members 10, 10 and the center pillar 7 are locked.
The left and right doors 2a, 2b are configured to be detachable, and when the left and right openable handles 5, 5 are closed, via the left and right locking members 10, 10.
The center pillar 7 is locked to one of the left and right openable handles 5, 5, and one of the left and right locking tools 10, 10 is detached from the center pillar 7 and the other left and right openable. The center pillar 7 is attached to the other left and right doors 2a, 2b in the closed state via the handles 5, 5, and the left and right locking members 10, 10.
Is locked. According to the first aspect of the present invention, for example, when the left opening / closing handle 5 is opened, the left locking member 10 is detached from the center pillar 7 in association with the opening operation of the left opening handle 5, and the left door 2a is opened.
Can be opened. When the left door 2a is open, the center pillar 7 provided on the inner surface of the joint between the left and right doors 2a and 2b is located on the opposite side of the left door 2a via the right opening / closing handle 5 and the right locking tool 10. Locked to the closed right door 2b, the joint between the center pillar 7 and the right door 2b is maintained. According to the first aspect of the present invention, the left and right doors 2a and 2b are provided.
The left and right doors 2a and 2b can be individually opened and closed from either side while preventing the escape of cool air in the cool storage box 1 by providing the center pillar 7 on the inner side surface of the joint of. Degree of freedom can be improved. An embodiment of the present invention shown in the drawings will be described below. First, the open / close configuration of the agricultural product cool box 1 and the left and right doors 2a and 2b will be described with reference to FIGS. [0009] The agricultural product cool box 1 is composed of heat insulating panels.
A left and right doors 2a and 2b constituting a lower wall surface, a left and right wall surface, a rear wall surface, and a front wall surface constitute a box body 3, and a cold storage room having a predetermined volume is formed in the box body 3, and left and right doors are formed. 2a and 2b are configured to open and close in a double-opening manner at the front opening of the box body 3;
Left and right handles 5 and 5 are provided near the center of the outer surface of the right doors 2a and 2b, and a cooling device 6 is mounted on the upper part of the box 3. Although not shown, the cooling device 6 is composed of a refrigerating unit, an evaporator, an evaporator fan, and the like, and is operated by operating an operation switch, a temperature control switch, and the like provided on a front operation panel. The configuration is such that cool air is circulated and supplied into the cool box 1 through a pair of ventilation holes opened in the upper plate of the box 3. The center pillar 7 disposed on the inner side of the central portion of the box 3 is formed of a heat insulating panel to which the left and right doors 2a and 2b are joined, and has a length equal to the vertical length of the left and right doors 2a and 2b. And left and right doors 2a, 2b
When the door is closed, the cool air inside the cool box 1
It prevents escape from the joint of a and 2b. Next, the mounting structure of the center pillar 7 to the left and right doors 2a, 2b will be described. Left and right door 2
a, 2b, the left and right lock bars 8, 8
Through the up and down direction to support the left and right lock bars 8,
At the middle part in the vertical direction of 8, left and right handles 5, 5 provided in the operation spaces 9, 9 of the left and right doors 2 a, 2 b are attached. The right lock bars 8, 8 are configured to be rotatable about the axis. On the upper and lower sides of the left and right lock bars 8, 8, left and right hooks 10, 10 which are locking tools are attached.
The left and right hooks 10, 10 are provided in the left and right doors 2a, 2b and the clearance space 11 formed in the center pillar 7, and are associated with the opening and closing operations of the left and right opening handles 5, 5. The right hooks 10, 10 are configured to rotate around the left and right lock bars 8, 8. Left and right locking bars 12 and 12 are provided in the clearance space 11 of the center pillar 7, and left and right return springs 13 and 13 are provided in the left and right hooks 10 and 10, respectively.
Is urged, and when you release your hand from the left / right open / close handles 5,5,
The right hooks 10, 10 return and rotate, and the left and right hooks 10,
The tip engaging recesses 10 engage the left and right locking bars 12 and 12 via the left and right opening handles 5 and 5, the left and right hooks 10 and 10, and the left and right locking bars 12 and 12. Center pillar 7
Are locked to the left and right doors 2a, 2b. A simultaneous opening prevention bar 14 is provided in the through hole 14 'of the center pillar 7 so as to be movable in the left-right direction.
By linking them, the left and right openable handles 5, 5 are prevented from being opened simultaneously. The simultaneous opening prevention bar 1
4 may be made of a magnetic material to prevent the left and right hooks 10 and 10 from coming off. However, in connection with the opening operation of pulling one of the left and right opening handles 5 and 5 forward, one of the left and right hooks 10 and 10 is turned around the left and right lock bars 8 and 8. The left and right hooks 10, 10 are disengaged from the left and right locking bars 12, 12 of the center pillar 7, and one of the left and right doors 2a, 2b can be opened.
At this time, the center pillar 7 is connected to the left and right doors 2a, 2b.
Is locked to one of the other. When the left and right doors 2a and 2b are closed and the left and right handles 5 and 5 are released, the left and right return springs 13 and 13 cause the left and right handles 5 and 5 and the left and right hooks to be released. 10 and 10 rotate to the return side, and the left and right hooks 10 and 10
The tip engaging recesses 10 are locked by the left and right locking bars 12, 12 on the center pillar 7 side, and the left and right doors 2a, 2b are locked in a closed state. With the above construction, the left and right doors 2
A center pillar 7 is provided on the inner side of the center of each of the left and right doors 2a, 2b to prevent the escape of cold air.
2b can be opened and closed, and the left and right doors 2a,
When one of the doors 2b is opened, the center pillar 7 is locked to the other door that is not opened, and the degree of freedom of opening and closing the door can be improved. Next, the heat insulation structure of the cool box 1 will be described with reference to FIG. Hinge 1 on upper and lower wall 1a of cool box 1
The left and right doors 2a and 2b are openably and closably attached via the first and second doors 5 and 15, and the center pillar 7 is provided close to the inner side surface near the center of the left and right doors 2a and 2b as described above. A heat insulating member 16 is provided at the upper end of the center pillar 7 so as to protrude upward, and extends and interposed so as to face the upper end of the joint between the left and right doors 2a and 2b of the upper wall surface 1a. The extension 16a is inserted into and closely adhered to the recess W formed in the upper wall surface 1a. When the left and right doors 2a and 2b are closed, the gasket 1 attached to the left and right doors 2a and 2b is closed.
7 and 17 are in contact with the heat insulating member 16 and the upper and lower wall surfaces 1a, and the heat insulating member 16 is in close contact with the concave portion W formed in the upper wall surface 1a. Can be enhanced. A closing member 18 made of, for example, urethane or a soft rubber material is attached to the center of the center pillar 7 along the vertical direction, and the left and right doors 2 in the closed state are provided.
The closing member 18 is configured to be in contact with the joint portion between the members a and 2b, thereby enhancing the heat insulating effect. The center pillar 7
It is also preferable to provide the same heat insulating structure as described above between the lower end portion and the lower wall surface 1a. Next, a configuration for preventing intrusion of a mouse or the like in the lower portions of the left and right doors 2a and 2b will be described with reference to FIG. Magnets 20 and 20 are attached to the center of the lower ends of the left and right doors 2a and 2b via mounting plates 19 and 19, and are configured to be close to the front end surface of the lower plate of the cool box 1 and the cold box 1 A mouse return plate 21 having a predetermined width and an L-shaped cross section is attached to the center of the lower plate. When the left and right doors 2a and 2b are closed, the magnets 20 and 20 on the left and right doors 2a and 2b are attracted to the lower surface of the rat return plate 21, and the left and right doors 2a and 2b are closed.
The upper bent portion of the rat return plate 21 is interposed between the lower end surfaces of the right doors 2a, 2b and the mounting plates 19, 19, thereby preventing the rat from entering. Next, FIGS. 9 to 14 will be described. In this embodiment, a guide frame 22 into which a lift claw of a forklift can be inserted is attached to the lower part of the lower wall of the cool box 1. This cool box 1 is of a large capacity in which the left chamber is used for storing rice such as brown rice and the right chamber is used for storing vegetables and the like. Left and right doors 2a, 2b and side doors are provided at the front opening of the cool box 1. 2c is provided. 9 to 11, the guide frame 22 is attached to a lower portion of the left and right side walls of the cool box 1 with side frames 22a and bolts B. , The grounding frame 22b surrounding the rolling wheels 23, ... and the mounting bolts 24, ..., and the guide frame 22c into which a lift claw of a forklift can be inserted. The front and rear ends of the guide frame 22 are kept cool. The length H slightly protrudes from the left and right doors 2a and 2b, the side door 2c and / or the rear side wall of the storage 1. Since the guide frame 22 is attached to the lower left and right sides of the cool box 1, the guide frame 22 protects the cool box 1, and the cool box 1 is moved by a forklift.
Can be easily transported. Also, FIGS.
As shown in (1), the guide frame 22 may be divided into front and rear parts and attached along the left and right direction. Next, the cooling device 6 will be described with reference to FIGS.
An example of the control will be described. The cooling device 6 is disposed above the cool box 1. The cooling device 6 includes a condenser 25 and a condenser 25.
, A condenser fan motor 27 for rotating the condenser fan 26, an evaporator 28, an evaporator fan 29 for cooling the evaporator 28, an evaporator fan motor 30 for rotating the evaporator fan 29, and a compressor. It is a well-known device that is constituted by a vessel 31 and executes a refrigeration cycle. FIG. 16 shows that the cool box 1 is divided into a left room and a right room, the left room is used for storing rice such as brown rice, and the right room is used for storing vegetables and the like. The cooling device 6 of the refrigerator 1 provided with an evaporator 28 and an evaporator fan 29 for each room so as to be settable. The internal space of the cool box 1 and the evaporator 28 communicate with each other by a pair of openings S and BL communicating with the upper wall surface of the cool box 1, and the air in the cool box 1 is introduced into the evaporator 28 from one of the openings S. Then, the cool air whose heat has been deprived by the evaporator 28 is supplied from the other opening BL into the cool box 1, and the cool air circulates in the cool box 1 to maintain a predetermined appropriate temperature state. A water receiving container 32 is provided at a lower portion of the evaporator 28, and a drain port D of the water receiving container 32 is connected to a drainage tank 33 provided at a lower portion of the cool box 1. 34 are provided. On the input side of the control unit 37,
The thermistor 35 for the refrigerator, the thermistor 36 for the condenser, and the full sensor 34 are connected. The output side of the control unit 37 is connected to the fan motor 27 for the condenser, the fan motor 30 for the evaporator, and alarm means 38 such as a buzzer. . In response to the input of the detection signals from the thermistor 35 for the refrigerator and the thermistor 36 for the condenser, the fan motor 27 for the condenser and the fan motor 38 for the evaporator are controlled to maintain the inside of the refrigerator 1 at an appropriate temperature. When a full-water detection signal is input to the control unit 37 from the full-water sensor 34, the control unit 37 outputs a control signal and an alarm unit 38 issues an alarm. From the drain port D of the water receiving container 32, the refrigerator 1
The state of clogging with the lower drainage tank 33 can be known by an alarm, and intrusion of water into the cool box 1 can be prevented. Next, another control example of the cooling device 6 will be described with reference to FIGS. In this embodiment, a temperature setting means 3 is provided in a temperature control device 37 in a cold storage having a cooling device 6 in the cold storage 1 and a temperature setting means 39 for setting the temperature in the cold storage 1.
When the temperature setting of 9 is set to a predetermined temperature (for example, 8 ° C.) or lower, the evaporator fan motor 30 of the cooling device 6 is controlled to be operated continuously. An input side of the control section 37 is connected to a thermistor 35 for the inside of the refrigerator, a thermistor 36 for the condenser and a temperature setting switch 39 for setting the temperature in the cool box 1. The fan motor 27, the evaporator fan motor 30, and the compressor driving means 40 are connected. Thus, the temperature in the cool box 1 is raised by the temperature setting switch 39 to a value higher than a predetermined temperature (for example, 8 ° C.).
When the temperature is set at 0 ° C for cooling vegetables, the evaporator fan 2
When the operation of No. 9 is switched to an energy-saving type low-humidity operation synchronized with the compressor 31 and the temperature in the cool box 1 is set to a temperature of 5 ° C. which is lower than a predetermined temperature (for example, 8 ° C.), The evaporator fan 30 is continuously operated, and the operation is switched to a high-humidity operation not synchronized with the compressor 31. During operation, temperature control for controlling the condenser fan motor 27 and the evaporator fan motor 30 to maintain the inside of the cool box 1 at a set temperature is performed by the detection input of the in-compartment thermistor 35 and the condenser thermistor 36. . The conventional cool air control device of the cool box has a high humidity operation in which the evaporator fan 29 is continuously operated and an energy saving type low humidity operation in which the operation of the evaporator fan 29 is synchronized with the compressor 31. A mode switch is provided, and the temperature inside the cool box is set at 5 ° C for vegetable and 10 ° C.
A temperature setting switch 39 capable of switching to the vegetable setting temperature of ° C. was provided, and the operator had to operate these operation mode switches and temperature setting switch 39. For this reason, when the temperature in the cool box is set to 5 ° C. for the vegetables by the temperature setting switch 39 and the low-humidity operation mode is selected by the operation mode switch, the evaporator 2 is turned on.
8 had a problem that dew condensation occurred and the cooling capacity was reduced. However, in this embodiment, the temperature in the cool box 1 is set to 5
When the temperature for cooling vegetables is set to ℃, the operation mode is automatically switched to the high humidity operation mode in which the evaporator fan 29 is continuously operated without synchronizing with the compressor 31, so that the cooling capacity may be reduced. Thus, the disadvantages of the conventional device can be eliminated. Next, the rat detection display device 41 in the cool box 1 will be described with reference to FIG. A temperature detection sensor 41 (for example, an infrared sensor) is provided on the upper side wall of the cool box 1 and has a detection area covering substantially the entire area below the left and right doors 2a and 2b.
A temperature sensor 4 in the refrigerator 1 for detecting the temperature in the refrigerator.
2 is provided, and the right door 2b is provided with a temperature display section 43 for displaying the temperature in the cool box 1. When the temperatures detected by the temperature detection sensor 41 and the internal temperature sensor 42 with the doors 2a and 2b closed are input to the control unit 37, the control unit 37 compares the detected temperatures. If a difference between the two detected temperatures is equal to or more than a preset temperature, it is determined that an animal such as a mouse has entered, and an abnormality display command is output from the control unit 37 to the temperature display unit 43 to display an abnormality. . The intrusion of a mouse or the like into the cool box 1 can be known, and prompt action can be taken. Next, FIG. 21 will be described. In this embodiment, the cold storage temperature control device 37 of the cold storage 1 having cooling means for controlling the internal temperature based on the set temperature set by the internal temperature setting switch 39 is used.
Door opening / closing detection sensor 44 for detecting opening / closing of doors 2a and 2b
When the door open / close detection sensor 44 detects the open state of the door, a part of the operation of the cooling device 6 is stopped. In this embodiment, when the left and right doors 2a and 2b are opened, an interior lighting switch is provided to turn on the interior light 45, and the interior lighting switch 45 is turned on. Is also used. And
Door open / close detection sensor 44, which is a lighting switch inside the compartment, is ON
Then, when the open state of the left door 2a or the right door 2b is detected,
The compressor 31 and the condenser fan 2 are controlled by a command from the control unit.
6 is stopped, and only the operation of the evaporator fan 29 is continued. With this arrangement, the compressor 31 and the condenser fan 26 are prevented from forcibly operating to maintain the set temperature by opening the door.
Useless cooling operation when the door is opened is eliminated, the durability of the compressor 31 is improved, and it is possible to prevent the dew condensation from easily occurring in the evaporator 28.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cool box; FIG. 2 is a front view of the cool box; FIG. 3 is a sectional view taken along line AA of FIG. 2; FIG. 5: Enlarged view of main part [FIG. 6] Longitudinal cross-sectional view of main part [FIG. 7] (1) FIG. 7 is a plan sectional view of the main part showing the heat insulation configuration of the cool box (2) FIG. Longitudinal cross-sectional view of the main part (3) is a perspective view of the main part showing the heat insulation configuration of the cool box. (FIG. 8) (1) is a front view showing the lower part of the door of the cool box (2) is a plan view of the main part FIG. 3 is a side view of a main part. FIG. 9 is a front view showing a guide frame provided in a cool box. FIG. 10 is a side view of FIG. 9. FIG. 11 is a plan view of FIG. 13 is a side view of FIG. 12; FIG. 14 is a plan view of FIG. 12; FIG. 15 is a rear perspective view of a cool box; FIG. 16 is a view showing a cooling device of the cool box. Figure [Figure 17] Block diagram [Figure 18] [Figure 19] Time chart showing control contents [Figure 20] (1) Figure is a front sectional view of a cool box (2) Figure is a front view of a main part (3) Figure is a side sectional view of a main part [ FIG. 21: Perspective view of the front of the cool box [Description of symbols] 1 Cool box 2a, 2b Left / right door 3 Box 5 Left / right open / close handle 7 Center pillar 8 Left / right lock bar 10 Left / right hook (left)・ Right locking device) 11 Relief space 12 Left / right locking bar 13 Left / right return spring

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Masanori Inoue             1 Iseki Agricultural Machinery, 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture             Engineering Department, Inc. (72) Inventor Kazuhiko Yamamoto             1 Iseki Agricultural Machinery, 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture             Engineering Department, Inc. (72) Inventor Soichiro Nishimura             1 Iseki Agricultural Machinery, 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture             Engineering Department, Inc. F term (reference) 3L102 JA02 KA06 KB05 KC03

Claims (1)

Claims: 1. A left and right door 2 which is constituted by a heat insulating panel in a box body 3 and has a front opening which opens and closes in a double-door manner.
In the cool box for agricultural products provided with a and 2b,
A center pillar 7 made of a heat insulating panel is provided on the inner side surface of the joint between the right doors 2a and 2b, and left and right locking members attached to the left and right opening handles 5 and 5 of the left and right doors 2a and 2b. The left and right doors 2a, 2b are connected via the left and right locking members 10, 10 when the left and right open / close handles 5, 5 are closed. The center pillar 7 is locked to one of the left and right openable handles 5, 5, and one of the left and right locking tools 10, 10 is detached from the center pillar 7 and the other left and right openable. Handle 5,
5. An opening / closing door for a cool store for agricultural products, wherein the center pillar 7 is locked to the left and right doors 2a, 2b in the other closed state via left / right locking tools 10, 10.