JP6408853B2 - Portable cold storage - Google Patents

Description

  Embodiments of the present invention relate to a portable cool box used when delivering an object to be cooled stored in a delivery terminal or the like to a delivery destination by a truck or the like.

  A portable cool box is used to transport an object to be cooled, such as a frozen product, while keeping it cool. This is provided with an animal cooler and a freezing device inside a large cool box body, operates the freezing device during storage in a delivery terminal or the like, and cools the object to be cooled and the regenerator in the cold storage room. During transportation on a truck or the like, the operation of the refrigeration system is stopped, and the object to be cooled is kept cold by the cold heat of the regenerator.

  In order to store a plurality of portable refrigerators side by side in a delivery terminal or to load them on a truck, they are often brought close to each other. A so-called caster (trademark registered) movable vehicle is provided at the bottom of the cool box main body and is movable, but by providing a handle on the surface of the cool box main body, the large and heavy cool box main body can be moved. Work becomes easier.

  The prior art documents are characterized in that concave portions are provided on both the left and right sides of the front surface of the cool box main body, and vertical handles that are gripped at the time of movement are provided at positions away from the side surfaces of the cool box main body in these concave portions. It is said.

  In this case, the hand holding the handle does not protrude from the side surface of the cool box main body, and the hand is not pinched between adjacent cool boxes. Since the handle is provided in the recess, the handle does not protrude from the outer wall of the cool box body, and the cool box can be brought as close as possible.

JP 2000-249450 A

  The cool box body has a rectangular shape in plan view, and in the prior art, recesses are provided on both the left and right sides of the front face of the cool box body. Accordingly, it is possible to confirm the grip from two sides of the four sides and grip it without taking out the arm, but from the remaining two sides, it is impossible to hold the arm far and the workability is poor. If the cool box body rotates during movement, the back of the hand may be pinched between the body and the handle.

  Furthermore, depending on conditions, the left and right side surfaces of the cool box main body may be the front side and the other side surface may be the rear side while moving sideways. At this time, the handle of one of the recesses can be gripped with the back of the hand protruding from the front or back of the main body, but the other recess and the handle cannot be gripped and press the surface of the cool box main body. Therefore, the movement posture is easy to collapse.

  After moving, a wall or other cooler body is often located on the front or back of the cooler body for storage in a predetermined location. If the side holding the handle faces the wall or other cooler body, the back of the hand protrudes from the front or back of the cooler body, which may cause injury by hitting the back of the hand against the wall or other cooler body .

  For this reason, the handle can be grasped from any surface with respect to the rectangular cooler main body in plan view, and the back of the hand is not sandwiched between the main body and the handle even when rotated 90 °. At the same time, there is a need for a portable cooler that can move stably regardless of the orientation of the cooler main body, and that ensures the safety of the operator.

The portable cool box of this embodiment is provided with a door body on the front surface, and the inside has a heat insulating structure to accommodate and cool the object to be cooled, and has a rectangular cool box body in plan view, and the cool box body a movable pulley provided at the bottom, at a predetermined height position in the refrigerator main body, four on the peripheral surface corner portion of the refrigerator body, two surfaces of the front or al left and right side surfaces, and from the back left and right a recess is provided over the two surfaces of the both sides, it is provided disposed inside each of the recesses, and vertically oriented handle to be gripped when moving pre SL refrigerator body.
The grip is parallel to the front, back and left and right side surfaces of the cool box body, and in any surface of the peripheral surface, the other surface intersecting the surface is pressed against the wall. Is provided with a distance βa from the handle to the wall that can be gripped from the opposite side, and a distance βb from the handle to the wall surface of the recess that is shorter than the distance βa.

The front side perspective view of the portable cold storage which concerns on this embodiment. The back side view of the portable cold storage which concerns on the same embodiment. The figure which shows the state which grasped the handle provided in each recessed part based on the embodiment. The figure which shows in order the state which arrange | positions the portable cold storage which concerns on the same embodiment in a predetermined place. The figure which shows in order the state which arrange | positions a portable cold storage which concerns on the same embodiment in a predetermined place with a still different attitude | position.

Hereinafter, the present embodiment will be described with reference to the drawings.
FIG. 1 is a perspective view of a portable cool box viewed from the front side. FIG. 2 is a perspective view of the portable cool box viewed from the back side.

  The portable cool box is loaded on a truck or the like, or is stored side by side in a delivery terminal or the like. The cool box main body S is a large box having a left-right width dimension of about 1000 mm, a depth dimension of about 1000 mm, and a height dimension of about 2000 mm. The entire peripheral surface is formed as a heat insulating structure having a wall surface in which a heat insulating material is embedded, and the appearance is glossy, such as a stainless steel plate, and is covered with a beautiful plate material.

  The cool box main body S is a rectangular parallelepiped that is rectangular in front view, side view, and plan view, and is provided with so-called movable vehicles K called casters (registered trademark) at the four corners of the bottom. It is.

  A door T having a heat insulating structure is pivotally attached to the front surface of the cool box main body S, and the door T can open and close an opening of a cold insulating chamber (not shown) having a heat insulating structure. The cold storage room is provided with a space for storing an object to be cooled, a refrigeration apparatus, and an animal cooler.

  In the refrigeration apparatus, a compressor that can be connected to an external power supply, a condenser, an expansion device, an evaporator, and an accumulator are sequentially communicated via a refrigerant pipe so as to constitute a refrigeration cycle. The animal cooler is a box-shaped case in which a regenerator is stored, and is attached to the upper surface of the evaporator of the refrigeration apparatus.

  When the refrigeration apparatus is operated, the compressor is driven to discharge the compressed gas refrigerant to the condenser. The gas refrigerant is condensed and liquefied by the condenser, and the liquid refrigerant is led to the expansion device to reduce the pressure, and then evaporated by the evaporator. The object to be cooled and the cool storage agent in the cooler are cooled by the latent heat of evaporation generated at this time, and the evaporated refrigerant is led to the compressor again and compressed. Hereinafter, the refrigerant circulates in this order to constitute a refrigeration cycle.

  The operation of the refrigeration apparatus is performed only during storage in the storage warehouse at the delivery terminal, and the operation of the refrigeration apparatus is stopped when loaded on a truck or the like and transported. At this time, the cold object stored in the cold storage room is cooled by the cold heat stored in the cooler.

  The door body T provided on the front surface of the cool box main body S is provided with a plurality of hinges h along the right side portion, and a door handle portion r also serving as a key portion at a substantially intermediate height position on the left side portion. By providing the key portion, the object to be cooled accommodated therein can be securely stored.

  Concave portions U <b> 1 to U <b> 4 are provided on the peripheral corners of the cool box main body S at a height position substantially equal to the height position of the door handle portion r of the door body T. Since the cool box main body S has a rectangular shape in plan view, the recesses U1 to U4 are provided in four places in total.

  Further, the recesses U1 to U4 will be described. A corner at which the front surface Sa and the left side surface Sb of the cool box main body S intersect with a height dimension (about 20 cm) that can be easily entered by a worker's hand, Two corners are provided at the corner where the front surface Sa and the right surface Sc intersect, the corner where the rear surface Sd and the right surface Sc intersect, and the corner where the rear surface Sd and the left surface Sb intersect, respectively. .

  For convenience of explanation, the concave portion U1 provided at the corner where the front surface Sa and the left side surface Sb of the cool box main body S intersect is referred to as a “first concave portion”, and at the corner portion where the front surface Sa and the right side surface Sc intersect. The recessed portion U2 provided is called a “second recessed portion”, and the recessed portion U3 provided at a corner where the back surface Sd and the right side surface Sc intersect is called a “third recessed portion”, and the back surface Sd and the left side surface Sb intersect. The concave portion U4 provided at the corner to be called is referred to as a “fourth concave portion”.

  And the 1st recessed part U1 is formed of the wall surface U1a parallel to the front surface Sa of the cool box main body S, and the wall surface U1b parallel to the left side surface Sb of the cool box main body S. The second recess U2 is formed of a wall surface U2a parallel to the front surface Sa and a wall surface U2b parallel to the right side surface Sc. The third recess U3 is formed by a wall surface U3a parallel to the back surface Sd and a wall surface U3b parallel to the right side surface Sc. The fourth recess U4 is formed of a wall surface U4a parallel to the back surface Sd and a wall surface U4b parallel to the left side surface Sb.

  In FIG. 1, only the wall surfaces U2a and U2b of the second recess U2 are illustrated, only the wall surfaces U4a and U4b of the fourth recess U4 are illustrated in FIG. 2, and the first recess U1 is illustrated in FIG. The wall surface U1a and the wall surface U1b are illustrated, and FIG. 3B illustrates the wall surface U3a and the wall surface U3b of the third recess U3.

  In the 1st thru | or 4th recessed parts U1-U4, the handle N1-N4 is provided inside the predetermined distance away from each two surfaces of the cold storage main body S. As shown in FIG. The upper and lower ends of the respective grips N1 to N4 are vertical and straight rods fixed to the upper and lower surfaces of the recesses U1 to U4. Since the grips N1 to N4 are round bars having an optimum thickness that can be gripped by an operator, and are provided in the recesses U1 to U4, the width and depth dimensions of the recesses U1 to U4 must satisfy these conditions. Inevitably determined from.

  Here, the handle N1 provided in the first recess U1 in the front left corner of the cool box main body S is referred to as "number 1 handle", and the handle N2 provided in the second recess U2 in the front right corner is The handle N3 provided in the third recess U3 at the back right corner of the back called “number 2 handle” is called “number 3 handle” and the handle N4 provided in the fourth recess U4 at the back left corner. Is called “number 4 handle”.

  FIG. 3 (A) is a diagram showing the shape and dimensions of the first recess U1 and the number 1 handle N1 provided at the left front corner of the cool box body S, and FIG. 3 (B) shows the cool box body S. It is a figure which shows the shape dimension of the 3rd recessed part U3 and the handle N3 of number 3 which are provided in the back right corner | angular part.

  First, referring to FIG. 3A, the worker stands toward the front surface Sa of the cool box body S, and the left hand of the worker enters the first recess U1 provided at the left front corner of the cool box body S. Then, it is assumed that the number 1 handle N1 provided here is held.

  The number 1 handle N1 is provided at a position away from the front surface Sa of the cool box body S by a predetermined distance βa, and is provided at a position away from the left side surface Sb of the cool box body S by a predetermined distance βa. The number 1 handle N1 and the wall surface U1a of the first recess U1 are separated by a predetermined distance βb, and the number 1 handle N1 and the wall surface U1b of the first recess U1 are separated by a predetermined distance βb.

  Here, βa and βb are preferably 2 cm or more and 10 cm or less. In particular, in this embodiment, a case where βa is 4 cm and βb is 3 cm will be described. Further, the diameters of the handles N1, N2, N3, and N4 of No. 1 to No. 4 are preferably 1.5 cm or more and 3.5 cm or less, and in the present embodiment, a case where the diameter is about 2 cm will be described.

  Therefore, with the operator holding the number 1 handle N1 with the left hand, the back part of the left hand is located in the gap βa between the number 1 handle N1 and the left side surface Sb of the cool box body S, and the left thumb part is The finger other than the thumb of the left hand is located in the gap βb between the number 1 handle N1 and the concave wall surface U1a.

  In any part of the left hand, it can be inserted into the first recess U1 with a margin and the handle N1 of number 1 can be grasped. In particular, the back portion of the left hand does not protrude from the left side surface Sb of the cool box main body S, and is reliably accommodated in the first recess U1.

  Although not shown in the figure, the operator's right hand may enter the second recess U2 provided at the front right corner of the cool box body S, and the number 2 handle N2 may be gripped. Similarly, in any part of the right hand, it can be inserted into the second recess U2 with a margin and the handle N2 of No. 2 can be gripped, and the back part of the right hand protrudes from the right side surface Sc of the cool box main body S. Without being securely accommodated in the second recess U2.

  In addition, the worker stands toward the back surface Sd of the cool box body S, the left hand of the worker enters the third recess U3 provided at the right side corner of the back surface of the cool box body S, and the left side corner of the cool box body S. In some cases, the operator's right hand enters the fourth recess U4 provided in the section, and grips the number 3 handle N3 and the number 4 handle N4 provided in each of the recesses U3 and U4.

  At this time, similarly, the left and right hands can enter the third recess U3 and the fourth recess U4 with a margin to hold the number 3 handle N3 and the number 4 handle N4, as well as the right hand and the left hand. The back part of the hand does not protrude from the left and right side surfaces Sb, Sc of the cool box main body S, and is reliably accommodated in the third and fourth recesses U3, U4.

  Next, FIG. 3 (B) will be described. An operator stands toward the right side surface Sc of the cool box body S, and the right hand of the worker is placed in a third recess U3 provided at the right rear corner of the cool box body S. Enter and hold the handle N3 of number 3 provided here. The number 3 handle N3 is provided at a position separated by a predetermined distance βa from the back surface Sd and the right side surface Sc of the cool box main body S, and the wall surfaces U3a and U3b formed on the handle N3 and the third recess U3 are respectively They are separated by a predetermined distance βb.

  Accordingly, the right back part of the worker is located in the gap βa between the handle N3 of the number 3 and the back surface Sd of the cooler main body S, and the right thumb part is the gap βb between the handle N3 of the number 3 and the concave wall U3a. The fingers other than the thumb of the right hand are located in the gap βb between the handle N3 of number 3 and the concave wall surface U3b.

  In any part of the right hand, it can be inserted into the third recess U3 with a margin, and the handle N3 of number 3 can be gripped, and the back part of the right hand does not protrude from the back surface Sd of the cool box main body S. In the third recess U3.

  Although not shown, when the left hand of the worker enters the second recess U2 provided in the right front corner of the cool box main body S and grips the handle N2 of No. 2, the left hand is free in any part. Can be inserted into the second recess U2 to grip the number 2 handle N2, and the back part of the left hand does not protrude from the front surface Sa of the cool box main body S, so that it can be securely inserted into the second recess U2. Be contained.

  Further, the worker stands toward the left side Sb of the cool box main body S, the right hand of the worker enters the first concave portion U1 provided at the front right corner of the cool box main body S, and the left rear side of the cool box main body S. The same applies to the case where the operator's left hand enters the fourth concave portion U4 provided at the corner and grips the number 1 handle N1 and the number 4 handle N4 provided in the respective concave portions U1 and U4.

  At this time, the left and right hands can enter the first concave portion U1 and the fourth concave portion U4 to hold the number 1 handle N1 and the number 4 handle N4, and the back of the right hand and the left hand It does not protrude from the front surface Sa or the back surface Sd of the cool box main body S, and is reliably accommodated in the first concave portion U1 and the fourth concave portion U4.

4 (A) and 4 (B) are diagrams for sequentially explaining operations in which an operator moves the cool box main body S from a predetermined position and inserts and aligns between the wall Z and another cool box main body X, for example. It is.
As shown in FIG. 4 (A), the worker stands on the front surface Sa of the cool box main body S, grips the number 1 handle N1 with the left hand, holds the number 2 handle N2 with the right hand, and pulls the cool box main body S back. Move in the Sd direction.

  The cool box main body S is of course loaded with a refrigeration apparatus, etc., even if it is not housed, so it is heavy and heavy, Easy to wobble. And since it is what is called large sized and it is hard to see even if there is an obstruction in the advancing direction, it is difficult to see, it needs to move.

  If it moves to the position inserted between the wall Z and the other cool box main body X already arranged at a predetermined position, the position and orientation of the cool cooler main body S that has moved is determined. And the cool box main body S is moved so that it may not collide with the wall Z and the other cool box main body X.

  Here, the right hand holding the handle N2 of No. 2 faces the wall Z first. As long as the handle N2 of No. 2 is gripped in a normal state, the back part of the right hand does not protrude from the right side surface Sc of the cool box main body S and is in the second recess U2. Therefore, the back part of the right hand does not slide on the wall Z, and the cool box body S can be pushed forward while ensuring safety.

  As shown in FIG. 4B, immediately before the cool box main body S reaches a predetermined position, the left hand that has gripped the handle N1 of No. 1 now faces the other cool box main body X adjacent thereto. However, the part of the back of the left hand does not protrude from the left side surface Sb of the cool box main body S and is in the first recess U1, so that it does not slidably contact the other cool box main body X. The left and right hands can move the cool box body S to the normal position while ensuring safety.

  5 (A) and 5 (B), an operator moves the cooler body S from a predetermined position, and inserts the cooler body S between the other cooler bodies Xa and Xb while keeping the cooler body S sideways. It is a figure explaining the work to perform in order.

  As shown by a two-dot chain line in FIG. 5 (A), the worker first stands on the front surface Sa of the cool box main body S, grasps the handle N1 of the number 1 with the left hand, and grips the handle N2 of the number 2 with the right hand, The cabinet body S is moved in the rear Sd direction.

When the position to be aligned is reached, the worker releases both hands and changes the position to stand in front of the right side surface Sc of the cool box body S. Then, as indicated by the solid line, the handle 2 of the number 2 is gripped by the left hand, the handle N3 of the number 3 is gripped by the right hand, and the cooler body S is pushed. This time, the left side Sb of the cool box main body S is the front side, and the right side Sc is the rear side.
Therefore, the cool box body S moves sideways without changing its direction. Of course, if there is not enough space to change direction, this method must be taken.

  As shown in FIG. 5 (B), immediately before the pushed cooler main body S reaches the predetermined position, the left hand that grips the handle N2 of No. 2 faces another adjacent cooler main body Xb, and at the same time, The right hand that grips the third handle N3 faces another adjacent cooler main body Xa.

  However, since the part of the back of the left hand does not protrude from the front surface Sa of the cool box body S and is in the second recess U2, it does not slide into other cool box bodies Xb. The part of the back of the right hand also does not protrude from the back surface Sd of the cool box main body S and is in the third recess U3, so that it does not slidably contact the other cool box main body Xa. The left and right hands can move the cool box body S to the normal position while ensuring safety.

  Even when the worker stands on the back surface Sd of the cool box main body S, grasps the handle N3 of number 3 with the left hand, pushes the handle N4 of number 4 with the right hand, pushes the cool box main body S, and aligns it at a predetermined position, Since the backs of the left and right hands are respectively in the third recess U3 and the fourth recess U4 and do not protrude from the left and right side surfaces Sb and Sc of the cool box main body S, safety can be ensured.

  Further, even when the worker stands on the left side Sb of the cool box main body S and holds the number 4 handle N4 with the left hand and pushes the number 1 handle N1 with the right hand to push the cool box main body S and aligns it at a predetermined position. Since the backs of the left and right hands are respectively in the fourth recess U4 and the first recess U1, and do not protrude from the front surface Sa and the back surface Sd of the cool box main body S, safety can be ensured.

  As described above, the first to fourth recesses U1 to U4 are provided in all the corners of the rectangular cooler main body S in plan view, and the handles N1 to N4 of number 1 to number 4 are provided respectively. It is possible to cope with any situation and to move the cool box body smoothly.

  The handles N1 to N4 of No. 1 to No. 4 are disposed in the first to fourth recesses U1 to U4 at a predetermined distance βa away from the front surface Sa, the rear surface Sd, and the left and right side surfaces Sb, Sc of the cool box main body S. Since it is provided in the vertical direction, it is possible to prevent an accident that the back of the hand is pinched between the cool box main body S and the handles N1 to N4 even if it is rotated during movement, thereby ensuring safety.

  And the handles N1-N4 of number 1 thru | or number 4 are the wall surface U1a-U4a of the 1st thru | or 4th recessed part U1-U4 parallel to the front surface Sa and back surface Sd of the cold storage main body S, and right-and-left both sides Sb and Sc. , U1b to U4b are spaced apart from each other by a predetermined distance βb, and the upper and lower end portions are fixed to the upper and lower surfaces of the recesses U1 to U4. Improvements can be made.

  In particular, the predetermined distances βa and βb are 2 cm or more and 10 cm or less, and the diameters of the handles N1 to N4 of No. 1 to No. 4 are 1.5 cm or more and 3.5 cm or less. While improving workability, the first to fourth recesses U1 to U4 do not become too large. Moreover, the volume of the heat insulating material on the wall surface surrounding the cold insulation chamber 2 is prevented from being reduced without reducing the volume of the cold insulation chamber 2. Thereby, loadability and heat insulation can be secured while securing safety and workability.

  Moreover, the 1st thru | or 4th recessed part U1-U4 is not limited to the form formed by two surfaces, You may form in a several plane or a continuous curved surface. The handles N1 to N4 of No. 1 to No. 4 are not limited to a straight rod body, and rod bodies bent into a U shape or an L shape may be used.

  In addition, the above-mentioned embodiment is shown as an example and does not intend limiting the range of embodiment. The novel embodiment can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  T ... Door body, S ... Cold storage body, K ... Mobile vehicle, U1-U4 ... First to fourth recesses, Sa ... (front of the cold storage body), Sb ... Left side (of the cold storage body), Sc ... right side (of the cool box main body), Sd ... back side (of the cool box main body), βa ... predetermined distance, N1-N4 ... number 1 handle to number 4 handle, U1a-U4d, U1b-U4b ... (concave) ) Wall surface, βb: a predetermined distance.

Claims (2)

A door body is provided on the front surface, and the inside has a heat insulating structure to accommodate and cool the object to be cooled, and a rectangular cooler main body in plan view,
A movable vehicle provided at the bottom of the cold storage body ,
At a predetermined height position in the refrigerator main body, four on the peripheral surface corner portion of the refrigerator body, is the dihedral of the front or al left and right side surfaces, and from the back provided over the two surfaces of the left and right side surfaces A recess,
Each of the provided within the recess, anda handle portrait to be grasped when moving the previous SL refrigerator body,
The grip is parallel to the front surface, the back surface, and the left and right side surfaces of the cool box main body, and any surface of the peripheral surface is pressed against the surface when another surface intersecting the surface is pressed against the wall. It is possible to provide a distance βa from the handle to the wall that can be gripped from the opposite side, and a distance βb from the handle to the wall surface of the recess that is shorter than the distance βa. Portable cold storage. 2. The portable cool box according to claim 1, wherein the handle is a bar-shaped member having a circular cross section, and upper and lower ends are fixed to upper and lower surfaces of the recess.

Images