JP6624434B2 - Heat pump unit packaging - Google Patents

Description

  The present invention relates to a packing material for a heat pump unit, and more particularly to a packing material having a pair of box-shaped packing members formed so as to cover left and right ends of the heat pump unit.

  2. Description of the Related Art Conventionally, a heat exchange type heat pump water heater using a refrigerant has been widely used. This type of heat pump hot water supply apparatus includes a heat pump unit that heats hot and cold water with a refrigerant, a hot water tank that stores heated hot water, a circulation heating circuit that circulates hot water between the heat pump unit and the hot water tank, and the like. The hot and cold water is circulated to the circulation heating circuit, heat is exchanged between the refrigerant and the hot and cold water in the condensation heat exchanger of the heat pump unit to heat the hot and cold water, and the hot and cold water is returned to the hot water storage tank and stored therein. The hot water is supplied to a desired hot water supply destination such as a bath or a bath.

  In the above heat pump unit, a compressor, a condensation heat exchanger, an expansion valve, and an evaporative heat exchanger are connected via a refrigerant pipe to form a heat pump circuit, and a hot water storage operation is performed using the refrigerant sealed in the refrigerant pipe. Done. In this hot water storage operation, the compressor and the blower fan for the evaporative heat exchanger are driven respectively, and the condensing heat exchanger exchanges heat between the refrigerant flowing through the heat pump circuit and the hot water flowing through the circulation heating circuit, thereby heating the hot water. Is done.

  By the way, in order to prevent the heat pump unit from being damaged by an external impact or the like during storage or transportation of the heat pump unit, the outer case of the heat pump unit is covered with a packing material to protect it.

  For example, Patent Literature 1 discloses a packing material of a heat pump type heat source device including a pair of box-shaped packing members formed so as to cover upper and lower ends of a heat pump unit. This packing material is a state in which an upper packing material with a cushioning material mounted therein is fitted into the upper end portion of the heat pump unit, and a lower packing material with a cushioning material mounted therein is fitted into the lower end portion of the heat pump unit. The upper packing material and the lower packing material are bound by a packing band and fixed to the heat pump unit.

JP 2014-65532 A

However, in the packing material of the heat pump type heat source device of Patent Document 1, since the upper end of the upper packing material is formed on a flat surface, the heat pump units are often stacked vertically and stored, and the heat pump units are stacked vertically. In this case, the weight of the heat pump unit stacked above acts on the lower heat pump unit, the top plate of the outer case of the lower heat pump unit is distorted downward by weight, and the end face of the folded part of the top plate is located on the upper side plate. When the surface of the outer case is scratched, rust or the like is generated from the outer case.
In particular, in the case where a condensing heat exchanger is incorporated at the top of the heat pump unit and a gap for heat insulation is formed between the condensing heat exchanger and the top plate, the above-mentioned problem becomes remarkable.

  An object of the present invention is to provide a heat pump unit packing material configured to cover both left and right ends of a heat pump unit with a pair of box-shaped packing members.

The packing material for the heat pump unit according to claim 1 is a packing material for packing the heat pump unit, wherein one side surface for receiving both left and right end portions of the heat pump unit is formed to be open and covers both right and left end portions of the heat pump unit. A pair of box-shaped packing members, a plurality of buffer members capable of buffering each corner of the heat pump unit, and a binding member that binds the pair of packing members. Is formed with a support portion for supporting a buffer member disposed at an upper portion of the buffer member , wherein the binding member is at least one PP band wound in a horizontal direction, and a bottom surface of the heat pump unit is formed of one or more PP bands. A pair of installation legs are provided, and the pair of packing members are provided on the left and right sides of the heat pump unit such that the pair of installation legs are exposed. It is characterized by covering the end.

In the packing material for a heat pump unit according to claim 2 , in the invention according to claim 1, an opening grip portion is formed in the pair of packing members, and the binding member passes right above the opening grip portion. It is characterized by being wound.

According to the first aspect of the present invention, a pair of box-shaped packing members are formed such that one side surface for receiving the left and right ends of the heat pump unit is open and cover the left and right ends of the heat pump unit. A plurality of buffer members capable of buffering each corner of the heat pump unit,
And a binding member for binding the pair of packing members, so that the left and right ends of the heat pump unit are covered with the pair of packing members, and the binding members are wound around the outside thereof to bind the pair of packing members. The top, bottom, left and right corners of the heat pump unit can be protected by a pair of packing members containing a plurality of buffer members.

  In addition, since the cushioning member arranged on the upper part can be supported by the support portion formed on the pair of packing members, the cushioning member can be stably accommodated inside the pair of packing members.

  Further, in the heat pump unit covered with the packing material, since the portions other than the left and right ends of the top plate of the heat pump unit are not covered with the packing member, it is difficult to vertically stack the heat pump units covered with the packing material. In addition, when the heat pump units covered with the packing material are stacked in the vertical direction, the load of the upper heat pump unit is supported by the pair of packing members, while the load of the upper heat pump unit is reduced by one pair with the buffer member arranged at the upper part in the pair of packing members. The support of the heat pump unit stacked on the upper side does not directly act on the lower heat pump unit because it is supported by the buffer member arranged at the bottom via the two pairs of support parts formed on the packing member of This can prevent the outer case from being damaged and the occurrence of rust resulting from the damage.

In addition , since the binding member is at least one PP band wound in the horizontal direction, the manufacturing cost can be reduced. Moreover, a pair of installation legs are provided on the bottom surface of the heat pump unit, and the pair of packing members are configured to cover the left and right ends of the heat pump unit so as to expose the pair of installation legs. Therefore, the heat pump unit can be placed on the installation surface in a state where the heat pump unit is packed with a pair of packing members. Then, after being placed on the installation surface, the binding member can be cut, and the pair of packing members can be pulled out to the left and right in the lateral direction and removed, so that the number of installation steps can be reduced.

According to the second aspect of the present invention, the pair of packing members are formed with the opening grips, and the binding member is wound around the opening grip so as to pass therethrough, so that the opening grips are reinforced. Thus, damage to the opening gripping portion can be reduced, and the durability of the pair of packing members can be improved.

It is a perspective view of the heat pump unit concerning Example 1 of the present invention. FIG. 2 is a perspective view of a packing material of the heat pump unit in which the left and right ends of the heat pump unit of FIG. 1 are covered with a pair of packing members and bound with a binding member. FIG. 3 is an exploded perspective view of the heat pump unit of FIG. 2 and left and right packing members. It is a perspective view of the left packing member of FIG.

  Hereinafter, embodiments for carrying out the present invention will be described based on examples.

A packing material for the heat pump unit according to the present embodiment will be described with reference to the drawings.
As shown in FIG. 1, a heat pump unit 1 includes a compressor, a condensing heat exchanger, an expansion valve, an evaporating heat exchanger, a blower fan 3, piping including a refrigerant pipe for circulating a refrigerant inside an outer case 2, It houses sensors, a control panel, and the like.
The exterior case 2 includes a front plate 4, a rear plate 5, a left side plate 6, a right side plate 7, a bottom plate 8, a top plate 10, and the like. The front plate 4 has an outside air exhaust opening 4a facing the front of the blower fan 3. Have been. In order to install the heat pump unit 1 on the installation surface, the bottom plate 8 is provided with a pair of left and right installation legs 11.

  As shown in FIGS. 2 to 4, the packing material 20 of the heat pump unit according to the present embodiment includes a box-shaped pair of left and right packing members 21 and four cushioning members 22 mounted inside the packing members 21. , 23 and a pair of upper and lower binding members 24 for binding the pair of packing members 21.

  The pair of packing members 21 are formed such that one side surface that receives the left and right ends of the heat pump unit 1 is open and covers the left and right ends of the heat pump unit 1. The pair of packing members 21 are formed so as to cover both left and right ends of the heat pump unit 1 so as to expose the pair of installation legs 11.

  The pair of packing members 21 include a left packing member 21a and a right packing member 21b made of cardboard. The left packing member 21a is a box-shaped body whose right side surface is opened, and an upper cushioning member 22 made of molded foam is mounted inside the upper end portion of the left packing member 21a. A lower cushioning member 23 made of a molded foam is mounted inside.

  The upper cushioning member 22 is formed by integrally molding a top wall 22a, a front wall 22b, a rear wall 22c, and a left side wall 22d having a predetermined thickness. The lower cushioning member 23 is formed by integrally molding a lower wall 23a, a front wall 23b, a rear wall 23c, and a left side wall 23d having a predetermined thickness.

  At the front and rear corners of the left end portion of the left packing member 21a, a support portion 25 having an L-shaped cross section that fits between the upper buffer member 22 and the lower buffer member 23 is integrally formed. The support portion 25 forms an L-shaped cut portion in the left packing member 21a at the positions of the upper end and the lower end of the support portion 25, and then forms a mountain-folded ridge between the upper and lower cut portions inside. Into a valley-folded ridge. The upper cushioning member 22 is supported on the upper end surfaces of the pair of front and rear support portions 25, and the upper cushioning member 22 is held at a desired position as shown in the drawing. The lower end surfaces of the pair of front and rear support portions 25 are in contact with the lower buffer member 23, and the lower buffer member 23 is held at a desired position as shown in the drawing.

  An opening grip 26 is formed in the cardboard wall at the middle in the front-rear direction on the left side of the upper part of the left packing member 21a. The cut-and-raised piece 26a that cuts and raises the cardboard wall portion of the left packing member 21a from the opening grip portion 26 to the outer surface side projects from the outer surface side.

  The right packing member 21b, its upper cushioning member (not shown), and its lower buffering member (not shown) are substantially symmetrical to the left and right packaging members 21a, its upper buffering member 22, and its lower buffering member 23. The same components are denoted by the same reference numerals, and description thereof will be omitted.

  The upper and lower binding members 24 are horizontally wound around the left packaging member 21a, the heat pump unit 1, and the right packaging member 21b in a state where the left and right packaging members 21a are attached to the left and right ends of the heat pump unit 1. Consists of PP bands.

 The upper binding member 24 is wound so as to pass right above the left and right opening grips 26, and the lower end of the upper binding member 24 contacts the upper surface of the broken line of the left and right cut-and-raised piece 26a and the upper binding member. The upper end of the member 24 is wound so as to match the upper end of the support portion 25. The upper binding member 24 is wound outside the upper ends of the four support portions 25 of the left and right packing members 21a and 21b, and the upper ends of the upper binding member 24 are attached to the left and right packing members 21a at the four corners. , 21b are locked by locking portions 27 at four corners.

The lower binding member 24 is wound outside the lower ends of the four support portions 25 of the left and right packing members 21a and 21b, and the lower ends thereof are wound so as to coincide with the lower ends of the support portions 25. .
At the four corners, the lower ends of the lower binding members 24 are locked by the locking portions 27 of the four corners of the left and right packing members 21a and 21b. Note that the lower binding member 24 is not essential and may be omitted.

Next, the operation and effect of the above-described heat pump unit packaging material 20 will be described.
One pair of box-shaped packing members 21a and 21b each having an open side surface for receiving the left and right end portions of the heat pump unit 1 and covering the left and right end portions of the heat pump unit, and each of the heat pump unit. Since a plurality of buffer members 22 and 23 capable of buffering corners and a binding member 24 for binding the pair of packing members 21 are provided, both left and right end portions of the heat pump unit 1 are separated by the pair of packing members 21a and 21b. When the binding member 24 is wound around the outside of the cover and bound, the upper, lower, left, and right corners of the heat pump unit 1 can be protected by the pair of packing members 21a, 21b containing the plurality of buffer members 22, 23 therein. .

  In addition, since the support member 25 formed on the pair of packing members 21a and 21b can support the buffer member 22 disposed on the upper portion, the upper buffer member 22 is stably provided inside the pair of packing members 21a and 21b. Can be accommodated

Further, when the heat pump units 1 packed by the heat pump unit packing material 20 are vertically stacked, the load of the upper heat pump unit 1 is supported by the pair of packing members 21a, 21b while the pair of packing members 21a, 21b is supported. The load of the heat pump unit 1 stacked on the upper side is supported by the buffer member 23 disposed on the lower side via the buffer member 22 disposed on the upper side and two pairs of support portions 25 formed on the pair of packing members 21a and 21b. Does not directly act on the lower heat pump unit 1, and damage to the outer case 2 due to deformation of the top plate 10 and generation of rust due to the damage can be prevented.

  Since the binding member 24 is a PP band wound in the horizontal direction, manufacturing costs can be reduced. The pair of packing members 21a and 21b are formed with an opening holding portion 26, and the upper binding member 24 is wound so as to pass right above the opening holding portion 26, so that the opening holding portion 26 is reinforced. As a result, the damage of the opening holding portion 26 can be reduced, and the durability of the pair of packing members 21a and 21b is improved.

  Since the upper end of the upper binding member 24 is locked by the locking portions 27 at the four corners of the left and right packing members 21a and 21b, the binding member 24 is unlikely to be displaced upward and maintains a stable binding position. . Since the lower end of the lower binding member 24 is locked by the locking portions 27 of the four corners, the binding member 24 is unlikely to be displaced downward, and a stable binding position is maintained.

  A pair of installation legs 11 is provided on the bottom surface of the heat pump unit 1, and a pair of packing members 21 a and 21 b are provided at both left and right ends of the heat pump unit 1 so as to expose the pair of installation legs 11. , The heat pump unit 1 can be placed on the installation surface in a state of being packed with the pair of packing members 21a and 21b. Then, after being placed on the installation surface, the binding member 24 is cut and the pair of packaging members 21a and 21b can be pulled out to the left and right in the lateral direction and removed, so that the number of installation steps can be reduced.

Next, an example in which the above embodiment is partially changed will be described.
(1) The cushioning member does not need to be a molded foam as in the above-described embodiment, and may be constituted by, for example, a cushioning member made of cardboard and having a cushioning function.
(2) The binding member may be formed of a synthetic resin band member made of a material other than PP.
(3) In addition, those skilled in the art can implement the present invention in a form in which various modifications are added to the above-described embodiment without departing from the spirit of the present invention, and the present invention includes such modified forms. It is.

DESCRIPTION OF SYMBOLS 1 Heat pump unit 11 Installation leg part 20 Packing material 21 of heat pump unit 21 Packing members 22 and 23 Buffer member 24 Binding member 25 Supporting part 26 Opening grip part

Claims (2)

In the packing material for packing the heat pump unit,
A pair of box-shaped packing members, one side of which receives the left and right ends of the heat pump unit is formed in an open shape and covers the left and right ends of the heat pump unit;
A plurality of buffer members capable of buffering each corner of the heat pump unit,
A binding member for binding the pair of packaging members,
In the pair of packing members, a support portion that supports a buffer member disposed at an upper portion of the buffer member is formed ,
The binding member is at least one PP band wound in a horizontal direction,
A pair of installation legs are provided on the bottom surface of the heat pump unit, and the pair of packing members cover left and right ends of the heat pump unit so as to expose the pair of installation legs. packaging of the heat pump unit, characterized in that there. The heat pump unit according to claim 1, wherein an opening grip portion is formed in the pair of packing members, and the binding member is wound so as to pass right above the opening grip portion. Packing material.