JP2009292398A - Cold-keeping or warm-keeping apparatus of load carrying compartment of truck - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cold-keeping or warm-keeping apparatus for the load carrying compartment of a truck, solving a conventional problem wherein cooling the load carrying compartment of the truck causes a higher cost if a cooling unit having a built-in cooling system is used, the system being based on the 100-V specifications consisting of a compressor, condenser, heat exchanger, etc. <P>SOLUTION: The cold-keeping or warm-keeping apparatus 1 for the load carrying compartment 113 of the truck 101 is structured so that cold or warm wind sent off from a wind outlet 112 of an air conditioner opening to inside the cabin 111 is introduced into the compartment 113 through a wind duct 2, and with this cold or warm wind, inside the compartment 113 is kept cool or warm. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a cold insulation or heat insulation device for keeping cold or warming a cargo compartment of a lorry, and in particular, using an air conditioner that cools the interior of a cabin (cab), the cargo compartment can be simply kept cold or warm. It is something that can be done.

  Cold trucks and refrigerated vehicles are used to transport products that are sensitive to heat. Cold trucks and refrigerator trucks are suitable for carrying large quantities of goods over long distances. However, cold storage vehicles and refrigeration vehicles have higher vehicle prices than ordinary vehicles.

Therefore, as shown in FIG. 4, a cold storage (hereinafter referred to as a luggage compartment) 104 having a door 103 is provided in the loading platform 102 of the truck 101, and the cargo compartment 104 is provided with a compressor, a condenser, a heat exchanger, and the like. A cooling unit 105 having a built-in AC 100V cooling system is attached, and the cooling unit 105 is used to cool the cargo compartment 104. Reference numeral 106 denotes a switching inverter that converts the DC power source of the on-vehicle battery into AC and outputs AC 100 V to the cooling unit 105. (For example, see Patent Document 1)
JP-A-9-159340

  The cold storage vehicle of Patent Document 1 can be manufactured at a lower cost than a general cold storage vehicle or a freezing vehicle, but still, a cooling unit 105 incorporating an AC 100V cooling system including a compressor, a condenser, a heat exchanger, and the like. Therefore, the cost for manufacturing the cooling unit 105 is high and expensive. In addition, the cooling unit 105 is heavy and heavy, which has a problem of adversely affecting fuel consumption.

  The present invention was made for the purpose of providing a device that can easily keep the cargo compartment cold and warm without using a special cooling device such as the cooling unit. The air conditioner is used to keep the luggage compartment cold and warm.

  According to the first aspect of the present invention, a cold or warm device for a cargo compartment of a lorry is introduced into the cargo compartment by a blower duct of cool air or warm air sent from an air conditioner opening opening in a cabin (cab). Thus, the inside of the cargo compartment is cooled or kept warm by the cold air or the warm air.

  According to a second aspect of the present invention, there is provided a cold storage or heat insulation device for a cargo compartment of a lorry according to the first aspect, wherein the blower duct is supplied with cold air or hot air sent from the blower opening at a rear side of the cargo compartment. And a second hose for supplying cold air or warm air sent from the cabin side to the cargo compartment side from the cabin side.

  According to a third aspect of the present invention, in the cooler or warmer for a cargo compartment of a cargo vehicle according to the first or second aspect, the first hose and the second hose are formed in a bellows shape.

  According to a fourth aspect of the present invention, there is provided a cold storage or warming device for a cargo compartment of a cargo vehicle according to the second or third aspect, wherein a first connection portion connected to one end side of the first hose is provided, and the first connection The first connecting member is detachably attached to the air blowing port, the second connecting portion is provided on the other end side, and the second connecting member is detachably attached to the inner surface side of the rear partition wall of the cabin by the second connecting member. A first connecting portion is provided on one end side of the second hose, the first connecting portion is detachably attached to the outer surface side of the rear partition wall of the cabin by the second connecting member, and a second connection is provided on the other end side. And a second connecting portion is detachably attached to the outer surface side of the front bulkhead of the cargo compartment by a third connecting member attached to the front bulkhead of the cargo compartment.

  According to a fifth aspect of the present invention, in the cold insulation or heat insulation device for the cargo compartment of the freight vehicle according to the fourth aspect, the first connecting member is fitted into the first connecting portion at one end of the first hose. A cover portion that covers the air outlet and supplies the air from the air outlet to the tubular portion, and an attachment portion that attaches the cover portion to the air outlet. did.

  A sixth aspect of the present invention is the cargo compartment cooling or heat retaining device according to the fourth or fifth aspect, wherein the second connecting member includes a cylindrical portion and a length direction of the cylindrical portion. A flange portion provided on the outer periphery of the substantially central portion, and a first hose fitting for fitting the cylindrical portion with the second connection portion of the first hose at one end side with the flange portion as a boundary. The other end side was a second hose fitting part for fitting the first connecting part of the second hose.

  A seventh aspect of the present invention is the cargo compartment cooling or heat retaining device according to any one of the fourth to sixth aspects, wherein the third connecting member includes a cylindrical portion and a length direction of the cylindrical portion. And a flange portion provided on the outer periphery of the substantially central portion of the second hose for fitting the cylindrical portion to the second connection portion of the second hose at one end with the flange portion as a boundary. It was set as the fitting part, and it was set as the luggage compartment insertion part which inserts the other end side in the said luggage compartment.

(1) Since the cargo compartment cold storage or thermal insulation device of claim 1 uses the cabin air conditioner to cool or warm the cargo compartment, the conventional cooling unit or the like is not required, and the cooling unit It is possible to keep the luggage compartment cold or warm with a simpler configuration than those using the.
(2) A cargo compartment cooling / warming device according to claim 2 is a first hose that feeds cold air or warm air inside the cabin, and a cool hose or warm air outside the cabin that sends cold air or warm air into the cargo compartment. Since the second hose is separated, the second hose can be made of a material that does not deteriorate even when exposed to wind and rain with respect to the first hose, or a material that easily expands and contracts in response to the tilt of the cabin. Become.
(3) Since the first cold hose is formed in the bellows shape in the cargo compartment cooling or heat insulation device of the cargo vehicle according to the third aspect, the first hose can be arranged along the inner surface of the cabin. Further, since the second hose is also formed in a bellows shape, the second hose can be expanded or contracted by following the tilt angle of the cabin when the cabin is tiltable by the tilt mechanism.
(4) Since the cold storage or heat insulation device for the cargo compartment of the lorry according to claim 4 makes the first hose and the second hose detachable, these hoses can be removed if necessary. If the hose is damaged, it can be easily replaced with a new hose.
(5) According to the fifth aspect of the present invention, the cargo compartment cooling / warming device can connect one end of the first hose to the air blowing port by the first connecting member. When it is not necessary to keep the cargo compartment cold or warm, the air from the air blowing port can be supplied into the cabin by removing the first connecting member from the air blowing port.
(6) In the cargo compartment cooling or heat insulation device according to claim 6, the second connecting member can be easily attached to the rear partition wall of the cabin by utilizing the first hose fitting portion and the flange portion. . Then, the second connecting portion of the first hose is fitted and connected to the first hose fitting portion protruding into the cabin, and the second hose first portion is connected to the second hose fitting portion protruding outside the cabin. A connection part can be fitted and connected.
(7) In the cargo compartment cooler or heat insulator of claim 7, the third connecting member can be easily attached to the front partition of the cargo compartment by using the cargo compartment insertion portion and the flange portion. . And the 1st connection part of the 2nd hose is fitted and connected to the 2nd hose fitting part projected out of the cargo room, and cold air or warm air is supplied into the cargo room from the cargo room insertion part.

  FIG. 1 is a side view schematically showing a freight vehicle provided with a cold insulation or heat insulation device of the present invention, FIG. 2 is an exploded perspective view of the main part, and FIG. 3 is a cross-sectional view of the main part.

  As shown in FIG. 1, a cargo compartment cold storage or thermal insulation device 1 according to the present invention is provided with cold air or warm air sent from a blower port 112 of an air conditioner that opens into a cabin (driver's cab) 111 of a cargo vehicle 101. Wind is introduced into the cargo compartment 113 of the lorry 101 through the air duct 2, and the inside of the cargo compartment 113 is kept cold or warm by the cold air or warm air.

  The air duct 2 includes a first hose 3 that sends cold air or warm air sent from the air outlet 112 to the rear side of the cabin 111 along the inner surface of the cabin 111, and the cabin 111 by the first hose 3. And a second hose 4 for supplying cold air or warm air sent to the rear side to the luggage compartment 113 side from the cabin 111 side.

  As shown in FIG. 2, the first hose 3 is formed in a bellows shape with plastic, and is provided with a first connection portion 3 a connected to a first connecting member 5 described in detail later at one end portion, The other end portion is provided with a second connection portion 3b connected to a second connecting member 6 described in detail later.

  The second hose 4 is also formed of a plastic bellows like the first hose 3, and is provided with a first connecting portion 4a connected to the second connecting member 6 at one end. A second connection portion 4 b connected to the third connecting member 7 is provided at the end portion.

  The first connecting member 5 includes a cylindrical portion 5a fitted into the first connecting portion 3a at one end of the first hose 3, and the cylindrical portion 5a at the center portion and covers the air outlet 112. And a cover part 5b for supplying the wind sent from the air blowing port 112 to the tubular part 5a, and a mounting part 5c for attaching the cover part 5b to the air blowing port 112.

  The first connecting member 5 is formed by fitting the tubular portion 5a into the first connecting portion 3a of the first hose 3 and tightening the outer periphery of the first connecting portion 3a with the hose band 8. It is attached to one end of the hose 3.

  The first connecting member 5 is detachably attached to the peripheral portion of the air blowing port 112 by a bolt 9 with the cover portion 5 b overlapped on the air blowing port 112.

  The second connecting member 6 includes a tubular portion 6a and a flange portion 6b provided on the outer periphery of a substantially central portion in the length direction of the tubular portion 6a. The cylindrical portion 6a has a first hose fitting portion 6c fitted into the second connection portion 3b of the first hose 3 with the flange portion 6b as a boundary, and the other end side of the cylindrical portion 6a. The second hose fitting portion 6d is fitted into the first connection portion 4a of the second hose 4.

  The second connecting member 6 is configured such that the first hose fitting portion 6c is inserted into a second connecting member mounting hole 111b provided in the rear partition 111a of the cabin 111 from the outer surface 111c side of the rear partition 1111a of the cabin 111. The front end side of the first hose fitting portion 6 a protrudes into the cabin 111, and one side surface of the flange portion 6 b is pressed against the outer surface 111 c of the rear partition wall 111 a of the cabin 111, and the cabin 111 is tightened by the bolt 9 and the nut 10. Fixed to the rear partition wall 111a. At this time, if the sandwiching plate 11 is applied to the inner surface 111d of the rear partition wall 111a of the cabin 111 and the rear partition wall 111a of the cabin 111 is sandwiched between the sandwiching plate 11 and the flange portion 6b, the second connection is more reliably performed. The member 6 can be attached to the rear partition wall 111a of the cabin 111. Further, the second connecting member mounting hole 111b can be covered with the sandwiching plate 11 to prevent the presence of the second connecting member mounting hole 111b from damaging the appearance in the cabin 111.

  The third connecting member 7 has substantially the same configuration as the second connecting member 6, and has a cylindrical portion 7 a and a flange portion provided on the outer periphery of a substantially central portion in the length direction of the cylindrical portion 7 a. 7b. The cylindrical portion 7a has a second hose fitting portion 7c that is fitted into the second connection portion 4b of the second hose 4 at one end side with the flange portion 7b as a boundary, and the other end side of the cylindrical portion 7a. It is a luggage compartment insertion portion 7d that is inserted into the luggage compartment 113.

  The third connecting member 7 is configured such that the cargo compartment insertion portion 7d is inserted into a third connecting member mounting hole 113b provided in the front partition 113a of the cargo chamber 113, on the outer surface 113c side of the front partition 113a of the cargo chamber 113. And the front end side of the cargo compartment insertion portion 7d protrudes to the inner surface 113d side of the front partition 113a of the cargo chamber 113, and one side surface of the flange portion 7b is protruded from the front partition 113a of the cargo chamber 113. It is pressed against the outer surface 113 c and is fixed to the front partition 113 a of the luggage compartment 113 by the bolt 9 and the nut 10. Also in this case, if the sandwiching plate 12 is applied to the inner surface 113d of the front partition 113a of the cargo chamber 113 and the front partition 113a of the cargo chamber 113 is sandwiched between the sandwiching plate 12 and the flange portion 7b, The third connecting member 7 can be reliably attached to the front partition wall 113a of the luggage compartment 113. Further, the sandwiching plate 12 covers and conceals the third connecting member mounting hole 113b to prevent the presence of the second connecting member mounting hole 113b from damaging the appearance in the cargo chamber 113. In FIG. 2, reference numeral 13 denotes a clip for attaching and supporting the first hose 3 along the inner surface of the cabin 111.

  Next, an example of a method of assembling the cargo truck 101 for the cargo truck 101 will be described with reference to FIG.

  First, the first connecting member 5 is attached to the air blowing port 112. Next, the second connecting member 6 is attached to the rear partition wall 111 a of the cabin 111. Next, the third connecting member 7 is attached to the front partition wall 113 a of the luggage compartment 113.

  Next, the first connecting portion 3 a on one end side of the first hose 3 is fitted to the outer peripheral side of the cylindrical portion 5 a of the first connecting member 5, and the outer periphery of the first connecting portion 3 a is tightened with the hose band 8. In order to prevent the wind from leaking, the first hose 3 is prevented from falling off from the first connecting member 5.

  Next, the second connecting portion 3b on the other end side of the first hose 3 is fitted to the outer peripheral side of the first hose fitting portion 6c of the second connecting member 6, and the outer periphery of the second connecting portion 3b is hose. The band 8 is tightened so that the first hose 3 does not fall off from the second connecting member 6.

  Next, the first connecting portion 4 a on one end side of the second hose 4 is fitted to the outer peripheral side of the second hose fitting portion 6 d of the second connecting member 6, and the first hose 4 on the one end side of the second hose 4 is fitted. The outer periphery of the connecting portion 4a is tightened with the hose band 8 so that the wind does not leak, and the second hose 4 is prevented from falling off from the second connecting member 6.

  Next, the second connecting portion 4b on the other end side of the second hose 4 is fitted to the outer peripheral side of the second hose fitting portion 7c of the third connecting member 7, and the outer periphery of the second connecting portion 4b is hose. The band 8 is tightened to prevent the wind from leaking, and the second hose 4 is prevented from falling off from the third connecting member 7.

  As described above, the cargo-reservoir or cold-retainer 1 of the cargo truck of the present invention is assembled. Then, the cool air or warm air sent out from the air outlet 112 of the air conditioner is sent into the cargo room 113 of the lorry 101 by the air duct 2 to keep the inside of the cargo room 113 cold or warm. In addition, when there are a plurality of the air conditioner air blowing ports 112, the cold air or the hot air sent out from the air blowing port 112 by attaching the first connecting member 5 to one of the air blowing ports 112. Even if all the air is sent into the luggage compartment 113, the interior of the cabin 111 can be cooled or heated by the other air outlet 112, so there is no problem, but when there is only one air outlet 112, the cool air sent from the air outlet 112 Alternatively, if all the warm air is sent into the luggage compartment 113, the cabin 111 cannot be cooled or heated. In such a case, the first connecting member 5 can be solved by providing a diversion port capable of diverting a part of the cool air or the warm air sent from the air blowing port 112 into the cabin 111.

FIG. 1 is a side view schematically showing a freight vehicle provided with a cold insulation or heat insulation device of the present invention. The disassembled perspective view of the principal part. Sectional drawing of the principal part. Explanatory drawing of a prior art example.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Cooling or heat insulation apparatus of the cargo compartment of a cargo vehicle, 2 ... Air duct, 3 ... 1st hose, 3a ... 1st connection part, 3b ... 2nd connection part, 4 ... 2nd hose, 4a ... 1st connection part 4b ... 2nd connection part ... 5 ... 1st connection member, 5a ... cylindrical part, 5b ... cover part, 5c ... attachment part, 6 ... 2nd connection member, 6a ... cylindrical part, 6b ... flange part, 6c ... 1st hose fitting part, 6d ... 2nd hose fitting part, 7 ... 3rd connection member, 7a ... Cylindrical part, 7b ... Flange part, 7c ... 2nd hose fitting part, 7d ... Load compartment insertion , 8 ... hose band, 9 ... bolt, 10 ... nut, 11, 12 ... clamping plate, 101 ... lorry, 111 ... cabin, 111a ... rear partition wall of cabin, 111b ... second connecting member mounting hole, 112 ... Air conditioner air outlet, 113 ... cargo compartment, 113a ... rear bulkhead of cargo compartment, 11 b ... third connecting member attachment hole.

Claims (7)

A cargo vehicle characterized in that cold air or warm air sent out from an air conditioner opening opening in a cabin is introduced into a cargo compartment by an air duct and the cargo compartment is cooled or kept warm by the cold air or warm air. Refrigeration or thermal insulation equipment in the luggage compartment. The air duct includes a first hose that sends cold air or hot air sent out from the air outlet to the rear side of the cargo compartment, and cool air or hot air sent to the rear part of the cargo compartment by the first hose. The apparatus for cooling or keeping warm the cargo compartment of a lorry according to claim 1, further comprising a second hose that is supplied from the cabin side to the cargo compartment side. The said 1st hose and 2nd hose are formed in the shape of a bellows, The cold storage or the heat insulation apparatus of the cargo compartment of the lorry of Claim 2 characterized by the above-mentioned. One end side of the first hose is detachably attached to the air blowing port by the first connecting member, and the other end side is detachably attached to the inner surface side of the rear partition wall of the cabin by the second connecting member,
One end side of the second hose is detachably attached to the outer surface side of the rear partition wall of the cabin by the second connecting member, and the other end side of the second hose is attached to the front partition wall of the cargo compartment by the third connecting member. The refrigeration or heat insulation device for the cargo compartment of a lorry according to claim 2 or 3, wherein the refrigeration compartment is detachably attached to the outer surface of the front partition wall. The first connecting member includes a cylindrical portion that fits one end portion of the first hose, and the cylindrical portion is provided in the central portion so as to cover the air outlet and supply the air from the air outlet to the cylindrical portion. 5. The cargo compartment cold storage or heat insulation device according to claim 4, further comprising: a cover portion that attaches to the air outlet and an attachment portion that attaches the cover portion to the air blowing port. The second connecting member includes a cylindrical portion, and a flange portion provided on an outer periphery of a substantially central portion in the length direction of the cylindrical portion,
5. The tubular portion according to claim 4, wherein one end side is configured as a first hose fitting portion and the other end side is configured as a second hose fitting portion with the flange portion as a boundary. 5. A refrigeration or heat insulation device for a cargo bay of item 5. The third connecting member includes a cylindrical portion, and a flange portion provided on an outer periphery of a substantially central portion in a length direction of the cylindrical portion,
One end side of the cylindrical portion is configured as a second hose fitting portion with the flange portion as a boundary, and the other end side is configured as a cargo compartment insertion portion that is inserted into the cargo compartment. Item 7. A cargo compartment cold storage or thermal insulation device according to any one of Items 4 to 6.

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