JP2001241698A - Exterior panel and refrigeration system using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an improved sound isolation material fixing structure of exterior panel and a refrigeration system comprising it in which the problems of conventional exterior panel of a refrigeration system, i.e., a box incorporating noise generating apparatus, where sound isolation is attained by attaching a sound proofing material to the rear surface of the panel through a pressure sensitive adhesive double coated tape or an adhesive that sorting is very difficult at the time of discarding the exterior panel, labor and cost for sorting increase and incomplete sorting causes pollution during discarding process. SOLUTION: Sorting of a sound proofing material 2 is facilitated by providing an exterior panel 1 with an arrangement for fixing the sound proofing material 2 to the rear surface 1c of the panel using an easy-to-remove pin 4 and a retaining plate 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel used for the exterior of a box housing a device generating noise inside.

[0002]

2. Description of the Related Art Conventionally, an exterior panel such as a refrigerating device, which is a box housing equipment that generates noise inside, is provided with a soundproofing material attached to the back surface thereof using a double-sided adhesive tape or an adhesive. Something like getting it was known.

[0003]

However, the panel is mostly made of a metal material such as a steel plate, and the soundproofing material is made of a non-metallic material such as a foamed resin. Separation is extremely difficult when used and affixed, and the trouble and cost of separation and disposal increase, and if the separation is incomplete, there is a problem that pollution occurs in the disposal process.

[0004] The present invention provides a soundproofing material mounting structure for an exterior panel and a refrigeration system using the same, which solves these problems.

[0005]

According to a first aspect of the present invention, there is provided an exterior panel of a box in which equipment for generating noise is housed. By providing a structure in which the soundproofing material is attached using pins, the soundproofing material can be easily separated.

According to a second aspect of the present invention, the pin is made of a plastic material and has a configuration having a head larger than the shaft diameter of the pin, so that the pin can be easily locked to the exterior panel. .

According to a third aspect of the present invention, the exterior panel has a hole for passing a pin for attaching a soundproofing material, and a recess for accommodating the head of the pin is formed around the hole on the surface of the panel. With such a configuration, the head of the pin is prevented from protruding from the panel surface.

According to a fourth aspect of the present invention, the soundproofing material is attached by using a pressing plate for suppressing the soundproofing material from the rear side, and the tip of the pin having the soundproofing material and the pressing plate penetrated from the panel surface side. By using a method such as heating, which is larger than the hole diameter of the holding plate and locked by a method such as heating, it is easy to attach the soundproof material to the exterior panel.

According to a fifth aspect of the present invention, the pin is made of a soft metal such as aluminum, and the tip of the pin, through which the soundproofing material and the holding plate penetrate from the panel surface side, is bent into an L-shape and locked. With this configuration, the soundproof material can be easily attached to the exterior panel.

According to a sixth aspect of the present invention, in the holding plate for suppressing the soundproofing material from the rear side, a plurality of insertion holes smaller than the outer diameter of the tip of the pin and a notch continuous with the hole are provided. By inserting a pin having a small-diameter portion in front of the panel from the panel surface side through the soundproofing material and the holding plate, and locking the periphery of the hole of the holding plate to the small-diameter portion, to the exterior panel. This facilitates installation of the soundproofing material.

According to a seventh aspect of the present invention, the pin is a blind rivet, so that the soundproof material can be easily attached to the exterior panel.

According to an eighth aspect of the present invention, there is provided an exterior of a box in which equipment constituting a refrigeration cycle is housed, provided with a configuration using the exterior panel according to any one of the first to seventh aspects. This is for soundproofing the refrigeration system.

[0013]

Embodiments of the present invention will be described with reference to the drawings. 1 to 4 show a cross section of a main part of a panel according to an embodiment of the present invention in which a soundproofing material is attached. In FIG. 1, reference numeral 1 denotes an exterior panel, and a soundproofing material 2 is provided on a back surface 1 c of the panel. 3 and the pin 4 are arranged closely.

In FIG. 1 showing the first embodiment, a method of mounting the soundproofing material 2 is based on a mounting hole 1a provided in the panel.
After inserting the pin 4 from the panel surface 1b side through the hole 2a provided in the soundproofing material 2 and the hole 3a provided in the holding plate 3,
This is performed by deforming the tip 4b of the pin larger than the diameter of the hole 3a provided in the holding plate 3.

As the shape of the pin 4 used in this method, the head 4a may have a substantially conical shape as shown in FIGS. 5A and 5B, or a cylindrical shape as shown in FIG. By making the periphery of the mounting hole 1a of the exterior panel 1 concave according to the shape of the head 4a, the aesthetic appearance is maintained without the pin head 4a protruding from the panel surface 1b. Can be.

Also, by using a plastic material as the material and making the shape of the tip 4b of the pin as shown in FIGS. 5A and 5B, the diameter of the tip 4b can be largely deformed at the time of mounting. An easy deformation method by heating can be applied.

In FIG. 2 showing the second embodiment, the method of mounting the soundproofing material 2 is based on a mounting hole 1a provided in the panel.
After inserting the pin 4 from the panel surface 1b side through the hole 2a provided in the soundproofing material 2 and the hole 3a provided in the holding plate 3,
The holding plate 3 is attached to the small diameter portion 4c provided in front of the tip 4b of the pin.
Around the hole 3a.

The shape of the pin 4 used in this method is a shape having a small diameter portion 4c in front of the tip portion 4b as shown in FIG. As shown in (e), an insertion hole 3a smaller than the outer diameter of the tip 4b of the pin 4 and a plurality of notches 3b connected to this hole are provided. Further, the outer shape of the holding plate 3 may be any of the circle (d) or the square (e) shown in FIG.

As a result, the soundproof material 2 can be easily attached to the exterior panel 1, and can be easily removed by pulling out the plate 3 from the pins 4.

In FIG. 3 showing the third embodiment, the method of mounting the soundproof material 2 is based on a mounting hole 1a provided in the panel.
After inserting the pin 4 from the panel surface 1b side through the hole 2a provided in the soundproofing material 2 and the hole 3a provided in the holding plate 3,
The tip 4b of the pin is bent and locked in an L-shape.

As the material of the pin 4 used in this method, a material made of a soft metal such as aluminum is used, so that the soundproof material 2 can be easily attached to the exterior panel 1 and can be removed. This can be easily performed by extending the bending of the tip portion 4b of the fourth member 4.

In FIG. 4 showing the fourth embodiment, the method of mounting the soundproof material 2 is based on a mounting hole 1a provided in the panel.
After inserting the pin 4 from the panel surface 1b side through the hole 2a provided in the soundproofing material 2 and the hole 3a provided in the holding plate 3,
The tip 4b of the pin 4 is deformed and locked.

The pin 4 used in this method can be easily attached to the exterior panel 1 by using a blind rivet whose main body is formed of a soft metal such as aluminum, and can be removed with a blind. Cutting can be performed easily by cutting the rivet.

FIG. 7 is a view showing an example of an exterior panel according to an embodiment of the present invention. In FIG. 7, reference numeral 1 denotes an exterior panel, which has a shape having a periphery bent to the back side. Reference numeral 2 denotes a soundproofing material, which is fixed to the panel back surface 1c by a pressing plate 3 and is fixed to the panel back surface 1c.

As a result, the exterior panel 1 is easily vibrated by the sound pressure generated by the devices housed in the box, which is the use of the exterior panel 1, and a structure for preventing the panel from vibrating can be easily obtained. The soundproof material 2 can be easily removed by cutting off the tip of the pin 4 or pulling out the holding plate 3 from the locking portion of the pin 4.

FIG. 8 is a view showing an example of a refrigerating apparatus using an exterior panel according to an embodiment of the present invention. The upper part of the box is a condenser section in which an air-cooled heat exchanger 5 and a blower 6 are arranged. 7
In the lower machine room 8, equipment (not shown) including a refrigerant compressor or the like that generates noise is arranged to form a refrigeration cycle. The exterior panel 1 of the present invention is provided around the machine room 8.
Is attached to prevent the noise generated inside from being released. Thereby, when the refrigeration apparatus is discarded, it is possible to easily separate the soundproofing material.

[0027]

As described above, according to the first aspect of the present invention, in the exterior panel of the box housing the equipment generating noise inside, the soundproofing is performed by using easily removable pins on the back of the panel. By having a structure with materials attached,
Separation of the soundproofing material can be facilitated, thereby reducing the labor and cost of separation and disposal.

According to the second aspect of the present invention, since the pin is made of a plastic material and has a configuration having a head larger than the shaft diameter of the pin, the pin can be easily locked to the exterior panel, and the soundproofing can be achieved. It is possible to simplify the mounting of the material.

According to the third aspect of the present invention, the exterior panel has a hole for passing a pin for attaching a soundproofing material, and a recess for accommodating the head of the pin is formed around the hole on the panel surface. By providing the formed configuration, the head of the pin can be prevented from protruding from the panel surface, and the appearance of the panel can be improved.

According to the fourth aspect of the present invention, a mounting plate for suppressing the sound insulating material from the rear side is used for mounting the sound insulating material, and the tip of the pin having the sound insulating material and the holding plate penetrated from the panel surface side. By mounting the part with a larger diameter than the hole diameter of the holding plate by means of heating or the like, it is possible to easily attach the soundproofing material to the exterior panel and remove it easily by cutting off the pin tip It becomes possible to do.

According to the fifth aspect of the present invention, the pin is formed of a soft metal such as aluminum, and the tip of the pin, through which the soundproofing material and the holding plate are penetrated from the panel surface side, is bent into an L-shape. By providing the stopped structure, the soundproofing material can be easily attached to the exterior panel, and can be easily removed by extending the bending of the pin tip.

According to the sixth aspect of the present invention, a plurality of insertion holes smaller than the outer diameter of the tip of the pin and a notch continuous with the hole are provided in the holding plate for holding the soundproof material from the rear side. By inserting a pin having a small diameter portion in front of the portion through the soundproofing material and the holding plate from the panel surface side and locking the periphery of the hole of the holding plate to the small diameter portion to the exterior panel. Can be easily attached, and the removal can be easily performed by pulling out the holding plate.

According to the seventh aspect of the present invention, since the pin is a blind rivet, the soundproof material can be easily attached to the exterior panel, and the pin can be easily removed by cutting the blind rivet. It becomes possible.

According to the eighth aspect of the present invention, the exterior using the exterior panel according to any one of the first to seventh aspects is provided on the exterior of the box housing the equipment constituting the refrigeration cycle therein. In addition, the refrigeration apparatus can be soundproofed, and the soundproofing material can be easily separated at the time of disposal.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part of a panel according to a first embodiment of the present invention in which a soundproofing material is attached.

FIG. 2 is an essential part cross-sectional view showing a state in which a soundproofing material is attached to the panel according to the second embodiment.

FIG. 3 is a cross-sectional view of a main part in a state where a soundproofing member is attached to the panel according to the third embodiment.

FIG. 4 is a cross-sectional view of a main part of the panel according to the fourth embodiment in which a soundproofing member is attached.

FIG. 5 is a view showing a shape of a pin used in the present invention.

FIG. 6 is a view showing a shape of a holding plate used in the present invention.

FIG. 7 is a diagram illustrating an example of an exterior panel that is an embodiment of the present invention.

FIG. 8 is a diagram illustrating an example of a refrigeration apparatus using an exterior panel according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exterior panel 2 Soundproof material 3 Press plate 4 pin

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) F25D 19/00 560 F25D 19/00 560D

Claims (8)

[Claims] 1. An exterior panel of a box housing a device that generates noise inside, wherein a soundproofing material is attached to the rear surface of the panel by using easily removable pins. 2. The pin is made of a plastic material,
The exterior panel according to claim 1, wherein the exterior panel has a head that is larger than a shaft diameter of the pin. 3. The exterior panel has a hole through which a pin for attaching a soundproof material is inserted, and a recess for accommodating a head of the pin is formed around the hole on the surface of the panel. The exterior panel according to claim 1, wherein 4. A method of mounting the soundproofing material by using a pressing plate for suppressing the soundproofing material from the back side, and heating the tip of a pin having the soundproofing material and the pressing plate through the panel surface side by heating or the like. The exterior panel according to any one of claims 1 to 3, wherein the outer panel is locked while being enlarged from a hole diameter of the holding plate. 5. The pin is formed of a soft metal such as aluminum, and a pin having a sound-insulating material and a pressing plate penetrating from the surface of the panel is bent and locked in an L-shape. The exterior panel according to claim 1 or 3, wherein the exterior panel is provided. 6. A holding plate for suppressing the soundproofing material from the back side has a plurality of insertion holes smaller than the outer diameter of a tip portion of the pin and a plurality of cutouts connected to the holes, and a small diameter portion is provided in front of the tip portion. The pin according to claim 1 or 3, wherein a pin having a hole is made to penetrate the soundproofing material and the holding plate from the surface side of the panel, and the periphery of the hole of the holding plate is locked in the small diameter portion. panel. 7. The exterior panel according to claim 1, wherein the pin is a blind rivet. 8. A refrigeration apparatus using the exterior panel according to claim 1 for an exterior of a box housing therein a device constituting a refrigeration cycle.