Granary low-temperature unit with adjustable air outlet

Abstract

The granary low-temperature unit with the adjustable air outlet comprises a stainless steel box body, an evaporator, an evaporator cover and a motor frame are installed at the top end of the stainless steel box body, an air supply motor is installed on the motor frame, the evaporator is communicated with a compressor and an expansion valve through copper pipes respectively, and the evaporator is covered with the evaporator cover. A barrel-shaped air inlet cover and a volute-shaped air supply cover are rotationally installed on the left side and the right side of the evaporator cover respectively, a centrifugal impeller is rotationally installed in the air supply cover, and the centrifugal impeller is installed on a motor shaft of an air supply motor. The air conditioner has the beneficial effects that the air inlet cover is rotationally installed on the left side of the evaporator cover, the first air inlet is formed in the side wall of the air inlet cover, the air supply cover is rotationally installed on the right side of the evaporator cover, and the third air outlet is formed in the side wall of the air supply cover, so that the air inlet cover and the air supply cover can rotate relative to the evaporator cover; and the positions of the first air inlet warehouse and the third air outlet can be adjusted, so that the arrangement of a connecting pipeline is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of refrigeration equipment, in particular to a granary low-temperature unit with adjustable air outlets. Background Art

[0002] The low-temperature unit of the granary generates low-temperature air to cool the grains stacked in the granary to prevent the grains from heating and being damaged. The low-temperature unit of the granary is generally installed outside the granary, and then the air inlet and air outlet of the low-temperature unit of the granary are connected to the ventilation duct installed on the granary by connecting pipes. The position of the ventilation duct installed on the granary is fixed, and the positions of the air inlet and air outlet on the existing low-temperature unit of the granary are also fixed. Therefore, the positions of the air inlet and air outlet on the existing low-temperature unit of the granary cannot be adjusted according to the position of the ventilation duct on the granary, which makes it inconvenient to lay out the connecting pipes in some cases. Utility Model Content

[0003] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a granary low-temperature unit with an adjustable air outlet.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A low-temperature unit for a granary with an adjustable air outlet comprises a rectangular stainless steel box body, in which a compressor, a condenser, a liquid storage tank and an expansion valve which are connected in sequence through copper tubes are installed, a condensing fan is installed on the front of the stainless steel box body, an evaporator, an evaporator cover and a motor frame are installed on the top of the stainless steel box body, an air supply motor is installed on the motor frame, the evaporator is connected to the compressor and the expansion valve respectively through copper tubes, the evaporator cover is in the evaporator cover, a cylindrical air inlet cover and a volute-shaped air supply cover are rotatably installed on the left and right sides of the evaporator cover, a centrifugal impeller is rotatably installed in the air supply cover, and the centrifugal impeller is installed on the motor shaft of the air supply motor.

[0006] Among them, a circular first air inlet is arranged on the side wall of the air inlet hood, a circular first air outlet is arranged at one end of the air inlet hood close to the evaporator hood, a circular second air inlet is arranged on the left side of the evaporator hood, a circular first rotating ring is arranged at one end of the air inlet hood close to the evaporator, a first limiting ring is installed on the left side of the evaporator hood, a first circular groove is formed between the first limiting ring and the evaporator hood, the first rotating ring is rotatably installed in the first circular groove, and the first air outlet is connected to the second air inlet; a first locking bolt is screwed on the first limiting ring, and the tail end of the first locking bolt abuts against the first rotating ring.

[0007] Wherein, a first sealing ring is respectively sandwiched between the first rotating ring, the first limiting circular ring and the evaporator cover.

[0008] Among them, a circular second air outlet is arranged on the right side of the evaporator cover, a circular third air inlet is arranged on the end of the air supply hood close to the evaporator cover, a circular third air outlet is arranged on the side wall of the air supply hood, and a circular second rotating ring is arranged on the end of the air supply hood close to the evaporator cover, a second limiting ring is installed on the right side of the evaporator cover, a second circular ring groove is formed between the second limiting ring and the evaporator cover, the second rotating ring is rotatably installed in the second circular ring groove, and the second air outlet is connected to the third air inlet; a second locking bolt is screwed on the second limiting ring, and the tail end of the second locking bolt abuts against the second rotating ring.

[0009] Wherein, a second sealing ring is respectively sandwiched between the second rotating ring, the second limiting circular ring and the evaporator cover.

[0010] Among them, a support ring is provided at one end of the air supply cover close to the air supply motor, and a bearing seat is also installed on the motor frame. A bearing is installed in the bearing seat, and the support ring is sleeved in the bearing. An O-ring is installed on the inner side of the support ring.

[0011] Wherein, a motor cover is also installed on the top of the stainless steel box body, and the air supply fan and the motor frame are covered in the motor cover.

[0012] Among them, an electric control box is installed on one side of the stainless steel box body, and the output end of the electric control box is connected to the compressor, the condensing fan and the air supply motor through wires respectively.

[0013] The beneficial effects of the utility model are as follows: the air inlet hood is rotatably installed on the left side of the evaporator hood, a first air inlet is arranged on the side wall of the air inlet hood, and the air supply hood is rotatably installed on the right side of the evaporator hood, and a third air outlet is arranged on the side wall of the air supply hood, so that the air inlet hood and the air supply hood can be rotated relative to the evaporator hood, and then the positions of the first air inlet and the third air outlet can be adjusted to facilitate the layout of the connecting pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of the front side of the low temperature unit of the grain silo in the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the low-temperature unit of the grain silo of the utility model after opening from the front;

[0017] Figure 3 It is a structural schematic diagram of the air inlet cover, evaporator, evaporator cover, air supply cover, centrifugal impeller, motor frame, and air supply motor assembly in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the assembly of the evaporator cover, the first limiting ring, and the second limiting ring in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the evaporator cover in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the air inlet cover in the utility model;

[0021] Figure 7 This is a structural schematic diagram of the air supply cover in the utility model from the first viewing angle;

[0022] Figure 8 It is a structural schematic diagram of the air supply cover in the utility model from a second viewing angle;

[0023] Explanation of the reference numerals in the figure: stainless steel box 1, compressor 2, condenser 3, liquid storage tank 4, expansion valve 5, condensing fan 6, evaporator 7, evaporator cover 8, second air inlet 801, second air outlet 802,

[0024] Air inlet cover 9, first air inlet 901, first air outlet 902, first rotating ring 903,

[0025] The first limiting ring 10, the first annular groove 11, the first locking bolt 12, the first sealing ring 13, the air supply cover 14, the third air inlet 1401, the third air outlet 1402, the second rotating ring 1403, the supporting ring 1404,

[0026] The second limiting ring 15 , the second annular groove 16 , the second locking bolt 17 , the second sealing ring 18 , the motor frame 19 , the air supply motor 20 , the centrifugal impeller 21 , the bearing seat 22 , the bearing 23 , the O-ring 24 , the electric control box 25 , and the motor cover 26 . DETAILED DESCRIPTION

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] like Figures 1 to 8 As shown, a granary low-temperature unit with adjustable air outlet includes a rectangular stainless steel box 1, in which a compressor 2, a condenser 3, a liquid storage tank 4, and an expansion valve 5 connected in sequence through copper pipes are installed, and a condensing fan 6 is installed on the front of the stainless steel box 1.

[0029] The top of the stainless steel box 1 is provided with an evaporator 7 and an evaporator cover 8. The evaporator 7 is connected to the compressor 2 and the expansion valve 5 through copper pipes, and the evaporator 7 is covered in the evaporator cover 8. The compressor 2, the condenser 3, the liquid storage tank 4, the expansion valve 5, and the evaporator 7 cooperate to perform refrigeration.

[0030] A cylindrical air inlet hood 9 is rotatably installed on the left side of the evaporator cover 8, and a circular first air inlet 901 is arranged on the side wall of the air inlet hood 9, and a circular first air outlet 902 is arranged at the end of the air inlet hood 9 close to the evaporator cover 8, and a circular second air inlet 801 is arranged on the left side of the evaporator cover 8, and a circular first rotating ring 903 is arranged at the end of the air inlet hood 9 close to the evaporator 7, and a first limiting ring 10 is installed on the left side of the evaporator cover 8, and a first circular groove 11 is formed between the first limiting ring 10 and the evaporator cover 8, and the first rotating ring 903 is rotatably installed in the first circular groove 11, and the first air outlet 902 is connected to the second air inlet 801; a first locking bolt 12 is screwed on the first limiting ring 10, and the tail end of the first locking bolt 12 abuts against the first rotating ring 903.

[0031] A first sealing ring 13 is sandwiched between the first rotating ring 903 and the first limiting ring 10 and the evaporator cover 8 respectively to prevent air from overflowing from the gap between the first rotating ring 903 and the first limiting ring 10 and the evaporator cover 8 .

[0032] A volute-shaped air supply hood 14 is rotatably installed on the right side of the evaporator cover 8, a circular second air outlet 802 is arranged on the right side of the evaporator cover 8, a circular third air inlet 1401 is arranged on the end of the air supply hood 14 close to the evaporator cover 8, a circular third air outlet 1402 is arranged on the side wall of the air supply hood 14, a circular second rotating ring 1403 is arranged on the end of the air supply hood 14 close to the evaporator cover 8, a second limiting ring 15 is installed on the right side of the evaporator cover 8, a second circular groove 16 is formed between the second limiting ring 15 and the evaporator cover 8, the second rotating ring 1403 is rotatably installed in the second circular groove 16, the second air outlet 802 is connected to the third air inlet 1401; a second locking bolt 17 is screwed on the second limiting ring 15, and the tail end of the second locking bolt 17 abuts against the second rotating ring 1403.

[0033] A second sealing ring 18 is respectively sandwiched between the second rotating ring 1403 and the second limiting circular ring 15 and the evaporator cover 8 to prevent air from overflowing from the gap between the second rotating ring 1403 and the second limiting circular ring 15 and the evaporator cover 8 .

[0034] A motor frame 19 is also installed on the top of the stainless steel box body 1 , and a blower motor 20 is installed on the motor frame 19 . A centrifugal impeller 21 is rotatably installed in the blower cover 14 , and the centrifugal impeller 21 is installed on the motor shaft of the blower motor 20 .

[0035] A support ring 1404 is provided at one end of the air supply cover 14 close to the air supply motor 20, and a bearing seat 22 is also installed on the motor frame 19, a bearing 23 is installed in the bearing seat 22, the support ring 1404 is sleeved in the bearing 23, and an O-ring 24 is installed on the inner side of the support ring 1404, and the O-ring prevents air leakage from the gap between the support ring and the motor shaft of the air supply motor.

[0036] A motor cover 26 is also installed on the top of the stainless steel box body. The air supply fan and the motor frame are covered in the motor cover 26, and the motor cover plays a protective role on the motor frame and the motor cover.

[0037] An electric control box 25 is installed on one side of the stainless steel box body 1, and the output end of the electric control box 25 is connected to the compressor 2, the condensing fan 6, and the air supply motor 20 through wires.

[0038] An air inlet hood is rotatably installed on the left side of the evaporator hood, and a first air inlet is set on the side wall of the air inlet hood. An air supply hood is rotatably installed on the right side of the evaporator hood, and a third air outlet is set on the side wall of the air supply hood, so that the air inlet hood and the air supply hood can be rotated relative to the evaporator hood, and the positions of the first air inlet and the third air outlet can be adjusted to facilitate the layout of the connecting pipes.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A low-temperature unit for a granary with an adjustable air outlet, comprising a rectangular stainless steel box, in which a compressor, a condenser, a liquid storage tank, and an expansion valve connected in sequence through copper pipes are installed, and a condensing fan is installed on the front of the stainless steel box, characterized in that: An evaporator, an evaporator cover, and a motor frame are installed on the top of the stainless steel box body. An air supply motor is installed on the motor frame. The evaporator is connected to the compressor and the expansion valve through copper tubes respectively. The evaporator cover is in the evaporator cover. A cylindrical air inlet cover and a volute-shaped air supply cover are rotatably installed on the left and right sides of the evaporator cover respectively. A centrifugal impeller is rotatably installed in the air supply cover, and the centrifugal impeller is installed on the motor shaft of the air supply motor.

2. The granary low temperature unit according to claim 1, characterized in that: A circular first air inlet is arranged on the side wall of the air inlet hood, a circular first air outlet is arranged at one end of the air inlet hood close to the evaporator hood, a circular second air inlet is arranged on the left side of the evaporator hood, a circular first rotating ring is arranged at one end of the air inlet hood close to the evaporator, a first limiting ring is installed on the left side of the evaporator hood, a first circular groove is formed between the first limiting ring and the evaporator hood, the first rotating ring is rotatably installed in the first circular groove, and the first air outlet is connected to the second air inlet; a first locking bolt is screwed on the first limiting ring, and the tail end of the first locking bolt abuts against the first rotating ring.

3. The granary low temperature unit according to claim 2 is characterized in that: A first sealing ring is respectively sandwiched between the first rotating ring, the first limiting circular ring and the evaporator cover.

4. The granary low temperature unit according to claim 1, characterized in that: A circular second air outlet is arranged on the right side of the evaporator cover, a circular third air inlet is arranged on the end of the air supply hood close to the evaporator cover, a circular third air outlet is arranged on the side wall of the air supply hood, a circular second rotating ring is arranged on the end of the air supply hood close to the evaporator cover, a second limiting ring is installed on the right side of the evaporator cover, a second circular groove is formed between the second limiting ring and the evaporator cover, the second rotating ring is rotatably installed in the second circular groove, and the second air outlet is connected to the third air inlet; a second locking bolt is screwed on the second limiting ring, and the tail end of the second locking bolt abuts against the second rotating ring.

5. The granary low temperature unit according to claim 4 is characterized in that: A second sealing ring is respectively sandwiched between the second rotating ring, the second limiting circular ring and the evaporator cover.

6. The granary low temperature unit according to claim 1, characterized in that: A support ring is arranged at one end of the air supply cover close to the air supply motor, and a bearing seat is also installed on the motor frame. A bearing is installed in the bearing seat, and the support ring is sleeved in the bearing. An O-ring is installed on the inner side of the support ring.

7. The granary low temperature unit according to claim 1, characterized in that: A motor cover is also installed on the top of the stainless steel box body, and the air supply motor and the motor frame are covered in the motor cover.

8. The granary low temperature unit according to claim 1, characterized in that: An electric control box is installed on one side of the stainless steel box body, and the output end of the electric control box is connected to the compressor, the condensing fan and the air supply motor through wires respectively.

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