CN210622913U - Air suction cooling system for engine impeller - Google Patents

Abstract

The utility model discloses an air suction and heat dissipation system for an engine impeller, which comprises a heat dissipation coil pipe, wherein the heat dissipation coil pipe is communicated with a compressor through a liquid flow pipeline or a refrigeration radiator, the heat dissipation coil pipe is clamped and installed between a front housing and a rear housing, the rear housing is installed on the end surface of an engine in an overhead manner, and the overhead position is the installation position of a driving big belt pulley on a main shaft of the engine; the front housing is coaxially provided with an air inlet, the rear housing is provided with an air outlet, the main shaft of the engine extends forwards to penetrate through the rear housing and the heat dissipation coil pipe to the air inlet, the air inlet is provided with an impeller arranged on the main shaft of the engine, the rotating shaft drives the impeller to rotate, cold air is sucked from the air inlet and exchanges heat with high-temperature liquid flow in the heat dissipation coil pipe, and heated hot air is discharged from the air outlet. The utility model discloses with traditional cooling system integration installation on the engine, changed traditional radiating mode, compacted engine structure, reduced engine assembly volume, effectively saved the cooling system space.

Description

Air suction cooling system for engine impeller

The technical field is as follows:

the utility model relates to a vapour, diesel engine refrigeration application technique specifically are an engine impeller cooling system that induced drafts.

Background art:

in the structure of the traditional refrigeration and heat dissipation system, a radiator and a fan are arranged far away from an engine (generally arranged in front of the engine), independently occupy a certain space, and a belt pulley transmission mechanism is required to transmit power for a long distance, which is a main reason for causing the loose and incompact structure of the refrigeration and heat dissipation system.

The utility model has the following contents:

the not enough to prior art, the utility model aims to solve the technical problem that an engine impeller cooling system that induced drafts of compact refrigeration cooling system structure is proposed.

The technical scheme of the air suction and heat dissipation system for the engine impeller comprises a heat dissipation coil pipe, wherein the heat dissipation coil pipe is communicated with a compressor through a liquid flow pipeline or a refrigeration heat radiator, the difference is that the heat dissipation coil pipe is clamped and installed between a front housing and a rear housing, the rear housing is installed on the end face of an engine in an overhead mode through a bolt assembly, and the overhead position is an installation position of a driving large belt pulley on a main shaft of the engine; the engine main shaft drives the impeller to rotate, cold air is sucked from the air inlet and exchanges heat with high-temperature liquid flow in the heat dissipation coil pipe, and the heated hot air is discharged from the air outlet.

The further compact structure is: the compressor is arranged behind the rear cover shell and is arranged on the side part of the engine through a support, and a driven small belt pulley coaxially arranged on a rotating shaft of the compressor is connected with a driving large belt pulley through a belt.

The engine is preferably a domestic 186 series single-cylinder engine.

The engine may also preferably be a daily Baotian oc95.e4 engine.

The utility model has the advantages that:

1. the utility model discloses engine impeller cooling system that induced drafts installs traditional cooling system integration on the engine, has changed traditional radiating mode, has compacted engine structure, has reduced engine assembly volume, has effectively saved the cooling system space.

2. The utility model is suitable for a system heat dissipation and part liquid stream circulation heat dissipation of various small-size vapour, diesel engine.

Description of the drawings:

fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a top view of the embodiment of fig. 1.

Fig. 3 is a view taken along direction a in fig. 1.

And (3) identifying the figure number: 1. a heat-dissipating coil pipe; 2. a front cover shell; 3. a rear housing; 4. a ring plate; 5. a bolt assembly; 6. a driving large belt pulley; 7. an engine main shaft; 8. a compressor; 9. an air inlet; 10. an air outlet; 11. an impeller; 12. a driven small belt pulley; 13. a support; 14. an engine.

The specific implementation mode is as follows:

the technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The utility model discloses engine impeller cooling system that induced drafts, including the engine assembly structure, the engine assembly structure includes engine 14, compressor 8 and heat dissipation coil 1, coaxial arrangement has the big belt pulley 6 of initiative on the engine main shaft 7 of terminal surface before the engine 14, as shown in figure 1, figure 2.

The heat dissipation coil 1 is arranged in front of the front end face of the engine 14, the heat dissipation coil 1 is clamped and installed between the front housing 2 and the rear housing 3, the rear end face of the rear housing 3 is provided with a ring plate 4 coaxial with an engine spindle 7, the ring plate 4 fixedly installs heat dissipation components (the front housing 2, the heat dissipation coil 1 and the rear housing 3) on the front end face of the engine 14 in an overhead mode through bolt components 5 uniformly distributed on the circumference, and the overhead position can just avoid a driving large belt pulley 6; an air inlet 9 is coaxially formed in the front housing 2, air outlets 10 are uniformly formed in the rear housing 3, an engine spindle 7 extending forwards penetrates through the rear housing 3 and the heat dissipation coil 1 to reach the air inlet 9, and an impeller 11 coaxially mounted on the engine spindle 7 is arranged at the air inlet 9, as shown in fig. 1 and 3.

The compressor 8 is arranged on the side part of the engine 14 through a bracket 13 at the rear part of the rear cover casing 3, a driven small belt pulley 12 coaxially arranged on a rotating shaft of the compressor 8 is connected with the driving large belt pulley 6 through a belt, and the compressor 8 is communicated with the heat dissipation coil 1 through a liquid flow pipeline or a refrigeration radiator, as shown in fig. 1 and 2.

The engine 14 is preferably a domestic 186 series single cylinder engine or a daily juita oc95.e4 engine.

The utility model discloses an operation process:

1. the engine 14 is started to operate, the main shaft 7 of the engine drives the compressor 8 and the impeller 11 to work at the same time, and the compressed hot liquid flow generated by the compressor 8 is conveyed to the heat dissipation coil 1 through a liquid flow pipeline or a refrigeration radiator.

2. The rotating impeller 11 sucks cold air into and blows the cold air to the heat dissipation coil 1 through the air inlet 9, the cold air exchanges heat with high-temperature liquid flow in the heat dissipation coil 1 when passing through the heat dissipation coil 1, the cooled low-temperature liquid flow flows back to the evaporator through a capillary (throttling) of a refrigeration system, and hot air heated by the heat exchange is discharged from the air outlet 10.

Claims (4)

1. Engine impeller cooling system that induced drafts, including heat dissipation coil (1), by liquid flow pipeline or refrigeration radiator intercommunication, its characterized in that between heat dissipation coil (1) and compressor (8): the heat dissipation coil (1) is clamped and installed between a front housing (2) and a rear housing (3), the rear housing (3) is installed on the end face of an engine (14) in an overhead mode through a bolt component (5), and the overhead position is an installation position of a driving large belt pulley (6) on an engine spindle (7); the heat dissipation device is characterized in that an air inlet (9) is coaxially formed in the front housing (2), an air outlet (10) is formed in the rear housing (3), the engine spindle (7) extends forwards to penetrate through the rear housing (3) and the heat dissipation coil (1) to the air inlet (9), an impeller (11) installed on the engine spindle (7) is arranged at the air inlet (9), the engine spindle (7) drives the impeller (11) to rotate, cold air is sucked from the air inlet (9) and carries out heat exchange with high-temperature liquid flow in the heat dissipation coil (1), and heated hot air is discharged from the air outlet (10).

2. The engine impeller induced draft cooling system of claim 1, wherein: the compressor (8) is arranged behind the rear cover shell (3) and is arranged on the side part of the engine (14) through a support, and a driven small belt pulley (12) coaxially arranged on a rotating shaft of the compressor (8) is connected with the driving large belt pulley (6) through a belt.

3. The engine impeller induced draft cooling system of claim 1 or 2, wherein: the engine (14) is a domestic 186 series single-cylinder engine.

4. The engine impeller induced draft cooling system of claim 1 or 2, wherein: the engine (14) is a daily output and long-term Baotian oc95.e4 engine.

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