JPH0723341Y2 - Insulation wall structure for refrigeration wing vehicles - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of an insulating wall structure of a wing vehicle (hereinafter referred to as a refrigerating wing vehicle) having a heat insulating structure.

[0002]

2. Description of the Related Art First, the structure of a refrigerating wing vehicle will be described with reference to FIG. The pair of left and right L-shaped roofs 1 is the ceiling
1a and a side wall 1b, the base end of which is the front wall 2 of the cargo bed.
Further, it is pivotally supported by a central support shaft 4 which is erected in the upper center of the rear wall 3 and can be opened and closed vertically.

On the other hand, a pair of left and right flares 5 are hinged to the side edges of the bed so as to be able to move up and down. The free end of the side wall portion 1b of the L-shaped roof 1 and the upper end of the fan 5 are overlapped with each other so as to be hermetically sealed.

The insulating wall structure of the L-shaped roof 1 and the fan 5 of the conventional refrigerating wing vehicle or the like configured as described above is shown in FIG.
(II-II arrow cross section of FIG. 1) and FIG. 7 (III of FIG. 1).
As shown in the cross-sectional view taken along the arrow (III), that is, the cross-sectional view of the ceiling portion), the L-shaped roof has main aggregates 6a, 6b, 6c made of extruded aluminum.
And wood 7a, 7b, 7c, 7d as an insulating material are framed to a predetermined thickness, and the inside and outside of the outer cover plate 8 made of thin aluminum plate 8
A lining plate 9 made of an FRP plate or the like is stretched, and a space formed between them is filled with a heat insulating material 10 such as urethane resin.

Such a conventional refrigeration wing vehicle having an insulating wall structure has the following drawbacks. Aluminum extrusion mold material 6
Since the heads of the screws 11, etc. used to fix the a, 6b, 6c, etc. and the timbers 7a, 7b, 7c, 7d, etc. are exposed inside the refrigerator, this causes heat conduction and reduces the refrigeration performance. Was.
Since wood 7a, 7b, 7c, 7d was used as the insulating material for the frame, the L-shaped roof was heavy and the assembly was troublesome. L-shaped roof 1 and top of fan 5 or L-shaped roof 1
It was very troublesome to install the seal gasket in the portion overlapping the periphery of the front wall 2 and the rear wall 3.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a refrigerating wing vehicle that is improved in the drawbacks of the prior art, has a better heat insulation performance, and has a simpler structure, and can reduce the weight.

[0007]

In a wing vehicle having a heat insulating structure, the L-shaped roof 1 and the fan 5 are made of aluminum extruded outer frame members 14, 18, 28, 29, 22,
Inner frame material 15, 19, 3 made of 24 and synthetic resin mold material
3, 37, 23, 25 and a space surrounded by the outer and inner lining plates 8 and 9 stretched between these frames are filled with a heat insulating material 10, and the inside of the L-shaped roof 1 is formed. Concave portions 19a and 23e are provided in the fixing portion on the inside of the frame material, and fixed to the outer frame material through fixing members 17 and 23c in the concave portions. After mounting, the concave portions are made of synthetic resin lid plates 9b and 23f.
It was coated with to allow perfection of heat insulation. Then, for the inner frame material in the portion which overlaps with the L-shaped roof 1 and the top of the fan 5, and the L-shaped roof 1 and the tops of the front wall 2 and the rear wall 3, for a seal made of a soft synthetic resin integrated therewith. Gasket 19e was provided and brought into close contact with the mating member to improve air tightness.

[0008]

Embodiments will be described with reference to FIGS. 2 is a view taken along the line II-II of FIG. 1, which is a vertical sectional view of the L-shaped roof, and FIG.
III-III arrow view of FIG. 4 is a sectional view of the ceiling of the L-shaped roof, and FIG. 4 is a view taken along the line IV-IV of FIG.

In FIG. 2, an L-shaped roof 1 has a ceiling portion 1a and side wall portions 1b.
It is the same as the known L-shaped roof in that it is composed of and. The ceiling portion 1a and the side wall portion 1b are connected at right angles by an outer corner member 12 made of an aluminum extruded material and an inner corner member 13 made of an aluminum extruded material.

The pivot part of the ceiling part 1a to the central support shaft 4 is a base end outer frame member 14 made of an aluminum extruded mold member and a base end inner frame member made of a synthetic resin (eg, gonyl chloride resin) mold member. 1
It consists of 5. A base end outer frame member 14 is pivotally supported on the central support shaft 4 via a hinge 16.

The outer covering plate 8 made of an aluminum plate, the outer corner member 12 and the base end outer frame member 14 are fixed to each other by a fixing tool 17, for example, a rivet. The inner corner member 13, the inner frame member 15 at the base end, and the lining material 9 made of FRP or the like are also fixed by rivets 17. Further, the base outer frame member 14 and the inner frame member 15 are also fixed by rivets 17. A heat insulating material 10 is filled between the inner lining plate 9 and the outer lining plate 8 as in the known technique.

The outer cover 8 made of an aluminum plate constituting the side wall 1b of the L-shaped roof 1 is fixed to the outer corner member 12 with rivets 17 and the inner cover 9 is riveted to the inner corner member 13 at the top. It is fixed at 17. The lower end of the outer covering plate 8 is fixed to the side wall lower end outer frame member 18 made of aluminum extruded material with rivets 17. The lining plate 9 is fixed by rivets 17 to a side wall lower end inner frame member 19 made of a synthetic resin mold material. A heat insulating material 10 is filled between the outer plate 8 and the inner plate 9 as in the known art.

The side wall lower end outer frame member 18 has a rising portion 18a for fixing the outer covering plate 8 of the side wall portion 1b on the upper portion, a hanging portion 18b for covering the upper portion of the fan 5 from the outside on the lower portion, and the side wall at the middle portion. It has a hollow protrusion 18c for fixing the inner frame member 19 at the lower end. The side wall lower end inner frame member 19 is fixed to the inner end surface of the hollow protrusion 18c.

The inner frame member 19 at the lower end of the side wall has a central recess 19a, and is fixed by the rivet 17 in the recess 19a. Since the head of the rivet sinks into this recess 19a, it is closed with a lid plate 19b made of synthetic resin after fixing. The lid plate 19b is a recess 19a.
Insert both side edges of the cover plate 19b into the grooves 19c facing the inside of the.

The upper portion of the side wall lower end inner frame member 19 is integrally formed with a rising portion 19d for fixing the lining plate 9, and the lower portion is integrally formed with a lip 19e made of a soft synthetic resin.

Reference numeral 20 denotes a seal material attached to the inside of the hanging portion 18b of the outer wall member 18 at the lower end of the side wall, and 21 denotes a seal material with a lip attached to the lower surface of the hollow protruding portion 18c.

The fan 5 has a fan top outer frame member 22 made of aluminum extrusion and a fan top inner frame member 23 made of synthetic resin attached to the upper end. Further, an aluminum extruded fan bottom outer frame member 24 and a fan bottom inner frame member 25 are attached to the lower end portion.

The upper end outer frame member 22 is composed of a hollow main body 22a having a rectangular cross section and a hanging portion 22b hanging from the outer surface of the main body, and the outer covering plate 8 of the fan 5 is fixed to the hanging portion 22b. .
The seal member 20 of the L-shaped roof side wall portion 1b is pressed against the outer surface of the main body portion 22a to seal the outer portion of the upper end of the fan.

The upper end inner frame member 23 is substantially L-shaped, one side 23a of the L-shape is in contact with the upper surface of the main body 22a, and the other side 23b is fixed to the inner side surface of the main body 22a with rivets 23c. The lining plate 9 is fixed to the lower portion 23d of the.

A concave portion 23e is also formed in the fixed portion by the rivet 23c, and the concave portion 23e is covered with a lid plate 23f like the concave portion 19a of the side wall lower end inner frame member 19.

At the lower end of the fan 5, an L-shaped fan bottom outer frame member 24 made of aluminum extruded material and a synthetic resin similarly L-shaped fan bottom inner frame member 25 are fixed.

Going back, a synthetic resin-made ceiling base inner frame member 1
5, a gasket 26 is attached to the side of the central support shaft 4, and the other end of the gasket 26 is in contact with an insulating frame member 27 surrounding the central support shaft 4 to maintain airtightness.

A heat insulating sheet 30 is attached between the ceiling portions 1a of the left and right L-shaped roofs. This makes the L-shaped roof 1
It has both the function of rain and the function of heat insulation of the hinge joint part of.

FIG. 3 is a sectional view taken along the line III-III in FIG.
That is, it is a front-rear cross-sectional view of the ceiling portion. A front frame body 28 is fixed to the front end portion of the ceiling portion 1a, and a rear frame body 29 is fixed to the rear end portion by rivets 17.

The front frame 28 covers a cylinder housing recess 31 provided at the upper end of the front wall 2 and is sealed by a gasket 32. Also, the insulating frame member 33 is provided inside the cylinder housing recess 31.
Are fixed to each other, and the front end of the ceiling portion is sealed by an L-shaped roof front end frame member 34 having the same structure as the side wall lower end inner frame member 19.

The rear frame 29 also covers the cylinder accommodating recess 35 provided at the upper end of the rear wall 3 and is sealed by a gasket 36. Further, the insulating frame member 37 is also provided inside the cylinder housing recess 35.
And the rear end of the ceiling part are fixed to
It is sealed by an L-shaped roof rear end inner frame member 38 having the same configuration as the above.

As shown in FIG. 4, the front and rear ends of the side wall portion 1b of the L-shaped roof 1 also have the same seal structure as the front and rear ends of the ceiling portion 1a. That is, the front frame body 39 of the side wall portion is the concave portion 4 of the front wall side portion.
0 is covered by a seal member 41, and an inner peripheral frame member 42 having the same structure as the side wall lower end inner frame member 19 constitutes a seal between the heat insulating frame member covering the front end of the side wall portion and the inside of the recess 40. ing.

Similarly, the rear portion of the side wall portion 1b has the same structure as the ceiling portion, and the rear frame member 43 and the recessed portion 44 are sealed by a seal member 45 and an inner peripheral frame member 46.

FIG. 5 shows the seal structure of the fan 5 and the rear wall 3. The side wall of the fan 5 has the same structure as the fan frame member 47, the seal member 48 and the side wall lower inner frame member 19. The inner peripheral frame member 49 is attached to form a seal structure with the rear corner post 50.

[0030]

[Effect] A plurality of rivet heads for fixing the outer frame member and the inner frame member are covered with a cover plate so as not to be directly exposed inside the refrigerator. As a result, the heat transfer through the rivets is completely blocked and the cold insulation performance is improved.

A frame body which is made of a combination of an outer frame material made of aluminum extruded material without using wood and an extruded material made of synthetic resin as an insulating material and having a lip for keeping airtightness. Therefore, it is possible to provide a refrigerating wing vehicle in which the frame structure is simplified, and the weight is greatly reduced as a whole.

[Brief description of drawings]

FIG. 1 is a perspective view of a refrigeration wing vehicle.

FIG. 2 is a sectional view taken along the line II-II of FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG.

FIG. 4 is a sectional view taken along the line IV-IV in FIG.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is a sectional view of a portion corresponding to FIG. 2 in a refrigeration wing vehicle having a conventional structure.

FIG. 7 is a sectional view of a portion corresponding to FIG. 3 in the refrigerating wing vehicle of the same conventional structure.

[Explanation of symbols]

1 L-shaped roof 1a Ceiling part 1b Side wall part 2 Front wall 3 Rear wall 4 Central support shaft 5 Fan 6 Main aggregate 7 Wood 8 Outer cover plate 9 Inner cover plate 10 Insulation material 11 Screw 12 (outer) corner member 13 (Inner) corner member 14 Base end outer frame member 15 Base end inner frame member 16 Hinges 17 Rivet 18 Side wall lower end outer frame member 18a Rise 18b Hanging part 18c Hollow protrusion 19 Side wall lower end inner frame member 19a Recess 19b Lid Plate 19c Groove 19d Rise 19e Lip 20 Seal material 21 Sealed seal material 22 Fanned upper outer frame material 23 Fanned upper inner frame material 24 Fanned lower outer frame material 25 Fanned lower inner frame material 26 Gasket 27 Insulating frame material 28 Front frame 29 Rear frame 30 Insulation sheet 31 Cylinder storage recess 32 Gasket 33 Insulation frame material 34 L-shaped roof front end frame material 35 Cylinder storage recess 36 Gasket 37 Insulation frame material 38 L-shaped roof rear end inner frame material 39 Front frame material 40 Recessed portion (on the side of the front wall) 41 Seal material 42 Inner peripheral frame material 43 Rear frame body 44 Recessed portion 45 Seal material 46 Inner peripheral frame material 47 The side frame members 48 - inside sealing material 49 peripheral frame member 50 the rear corner posts

Claims (2)

[Scope of utility model registration request] 1. A pair of left and right L-shaped roofs (1) that are hinged to a central support shaft that extends between the front wall and the rear wall and that can be opened and closed vertically, and a hinge that is hinged to the side of the cargo bed so as to be able to move up and down. Having (5), each L-shaped roof
In a wing vehicle equipped with a heat insulating structure in which (1) and fan (5) are respectively heat insulating structures, the L-shaped roof (1) and fan (5) are provided with an outer frame member (14, 18) made of an aluminum extruded member. , 28,29,22,24)
And inner frame material consisting of synthetic resin mold material (15, 19, 33, 37, 23, 25)
And a space surrounded by the outer covering plate (8) and the inner covering plate (9) stretched between these frames, and filled with a heat insulating material (10), and L
The inner frame of the mold roof (1) has recesses (19a, 23
e) is provided, the fixing member (17, 23c) is connected to the recess to connect with the outer frame member, and the recess is covered with the synthetic resin lid plate (9b, 23f) after mounting. Insulated wall structure. 2. L-shaped roof (1) and top of fan (5), L-shaped roof
A seal gasket (19e) made of a soft synthetic resin integral with the inner frame material at a portion overlapping with the top portions of (1), the front wall (2) and the rear wall (3) is provided, The insulating wall structure for a refrigerating wing vehicle according to claim 1, wherein the insulating wall structure is closely attached to the member.