Cold air circulation device of refrigeration fan

Abstract

The utility model discloses a cold air circulation device of a refrigeration fan, which belongs to the technical field of refrigeration fans and is characterized by comprising a shell, a cold air circulation mechanism for circulating cold air is arranged in the shell, and a protection component for protecting the cold air circulation mechanism is arranged in the cold air circulation mechanism. During use, a refrigerant is firstly placed in the storage bin, then the connecting column is inserted into the inserting groove, then the connecting column is fixed through the bolt, at the moment, the filter screen does not shake, then the motor is started, the motor drives the fan blades to rotate, the fan blades rotate to drive external air to enter the storage bin, and the air is refrigerated; refrigerated air is circulated through cooperative use of the circulating pipe and the circulating pump, then the protection assembly can prevent refrigerants in the storage bin from easily reacting with the air, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration fans, in particular to a cold air circulation device for a refrigeration fan. Background Art

[0002] The refrigeration fan is a key component used in the refrigeration system, also known as a refrigeration compressor or refrigeration compressor unit. Its main function is to suck in, compress, condense and discharge the refrigerant medium, thereby realizing the refrigeration cycle process.

[0003] The Chinese utility model patent currently announced as: CN208025916U discloses a cold air circulation device in a warehouse, including a cold air warehouse, a top cover is installed on the top of the cold air warehouse, a fan is installed inside the top cover, a refrigerant storage tank is installed on the top of the interior of the cold air warehouse, a refrigeration pipe is installed inside the refrigerant storage tank, a cold air pipe is installed below the refrigerant storage tank, a circulation pump is installed at one end of the cold air pipe, a compressor is installed on the circulation pump, and a circulation pipe is installed between the circulation pump and the refrigerant storage tank. The cold air warehouse of this utility model is installed with a refrigerant storage tank on the top, a refrigeration pipe is installed inside the refrigerant storage tank, cold air can be circulated through the refrigeration pipe, a circulation pump is installed at one end of the cold air pipe, a compressor is installed on the circulation pump, and a circulation pipe is installed between the refrigerant storage tank and the circulation pump, so that cold air can circulate in the warehouse, thereby improving the refrigeration effect.

[0004] Although this patent has the effect of circulating cold air, it cannot filter the dust in the air when inhaling air, causing the dust to be inhaled into the interior of the device. The accumulation of dust will affect the normal use of the equipment, so it needs to be improved. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides a refrigeration fan cold air circulation device, aiming to solve the problem that an existing refrigeration fan cold air circulation device cannot filter dust in the air when inhaling air, resulting in dust being inhaled into the interior of the device, and dust accumulation causing problems in normal use of the device.

[0007] 2. Technical solution

[0008] The utility model is implemented as follows: a refrigeration fan cold air circulation device comprises a shell, a cold air circulation mechanism for circulating cold air is arranged inside the shell, and a protection component for protecting the cold air circulation mechanism is arranged inside the cold air circulation mechanism;

[0009] The cold air circulation mechanism includes a storage bin, an air intake pipe, a slot, a support rod, a motor, a fan blade, a filter, a connecting column, a bolt, a mounting groove, a circulation pipe, a circulation pump and a compressor. The storage bin is bolted to the interior of the shell, and the air intake pipe is connected and arranged inside the storage bin. The slot is circumferentially opened at the top of the air intake pipe, and the support rod is circumferentially distributed on the inner wall of the air intake pipe. The motor is bolted to one end of the support rod, and the fan blade is bolted to the output end of the motor. The filter is movably connected to the interior of the air intake pipe, and the connecting column is circumferentially distributed at the bottom of the filter. The bolt is threadedly connected to the interior of the connecting column, and the mounting groove is opened on the outer wall of the air intake pipe. The circulation pipe is connected and arranged at the bottom of the storage bin, and the circulation pump is arranged at the bottom of the circulation pipe. The compressor is arranged on one side of the circulation pump, and the connecting column is plugged into the slot, and the compressor is electrically connected to the circulation pump.

[0010] In order to prevent the refrigerant inside the storage bin from being discharged, as a preferred refrigeration fan cold air circulation device of the utility model, the protection component includes a baffle and a spring, the baffle is hinged on the inner top wall of the storage bin, the spring is welded to the bottom of the baffle, and one end of the spring is welded to the inner top wall of the storage bin.

[0011] In order to prevent the circulation pipe from shaking, as a preferred embodiment of a refrigeration fan cold air circulation device of the utility model, support columns for preventing the circulation pipe from shaking are bolted to both inner side walls of the shell.

[0012] In order to increase the stability of the shell, as a preferred refrigeration fan cold air circulation device of the utility model, the bottom of the shell is bolted with support legs that increase the stability of the shell, and the number of the support legs is four and evenly distributed.

[0013] In order to prevent debris from falling on the filter, as a preferred embodiment of the refrigeration fan cold air circulation device of the utility model, an isolation plate is provided above the air inlet pipe to prevent debris from falling on the filter.

[0014] In order to prevent the supporting legs from slipping, as a preferred embodiment of a refrigeration fan cold air circulation device of the utility model, a rubber pad for preventing the supporting legs from slipping is bonded to the bottom of the supporting legs.

[0015] In order to facilitate the movement of the isolation plate, as a preferred embodiment of a refrigeration fan cold air circulation device of the present invention, a handle for facilitating the movement of the isolation plate is bolted to the top of the isolation plate.

[0016] In order to prevent the spring from bending, as a preferred embodiment of a refrigeration fan cold air circulation device of the present invention, an arc rod is welded to the bottom of the baffle, and one end of the arc rod passes through the storage bin and is slidably connected to the storage bin.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The refrigeration fan cold air circulation device is provided with a shell, a cold air circulation mechanism, a protection component, a storage bin, an air inlet pipe, a slot, a support rod, a motor, a fan blade, a filter, a connecting column, a bolt, a mounting slot, a circulation pipe, a circulation pump and a compressor. When in use, the refrigerant is first placed inside the storage bin, and then the connecting column is inserted into the inside of the slot, and then the connecting column is fixed by bolts. At this time, the filter will not shake, and then the motor is started, and the motor drives the fan blade to rotate. The rotation of the fan blade drives the external air to enter the interior of the storage bin, so that the air is cooled. The cooled air is circulated through the cooperation of the circulation pipe and the circulation pump. Then the protection component can prevent the refrigerant inside the storage bin from easily reacting with the air, thereby saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the overall structure diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the protection component of the utility model;

[0022] Figure 3 It is a left view of the utility model;

[0023] Figure 4 For this utility model Figure 3 The three-dimensional cross-section view at AA in the middle;

[0024] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.

[0025] Description of the numbers in the figure:

[0026] 1. Shell; 2. Cold air circulation mechanism; 3. Protection component; 4. Support column; 5. Support leg; 6. Isolation plate; 7. Rubber pad; 8. Handle; 9. Arc rod; 201. Storage compartment; 202. Inlet pipe; 203. Slot; 204. Support rod; 205. Motor; 206. Fan blade; 207. Filter; 208. Connecting column; 209. Bolt; 210. Mounting slot; 211. Circulation pipe; 212. Circulation pump; 213. Compressor; 301. Baffle; 302. Spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0029] See also Figure 1-5 The utility model provides a technical solution: a refrigeration fan cold air circulation device, comprising a housing 1, a cold air circulation mechanism 2 for circulating cold air is arranged inside the housing 1, and a protection component 3 for protecting the cold air circulation mechanism 2 is arranged inside the cold air circulation mechanism 2;

[0030] The cold air circulation mechanism 2 includes a storage bin 201, an air inlet pipe 202, a slot 203, a support rod 204, a motor 205, a fan blade 206, a filter 207, a connecting column 208, a bolt 209, a mounting groove 210, a circulation pipe 211, a circulation pump 212 and a compressor 213. The storage bin 201 is bolted to the inside of the housing 1, the air inlet pipe 202 is connected and arranged inside the storage bin 201, the slot 203 is circumferentially opened at the top of the air inlet pipe 202, the support rods 204 are circumferentially distributed on the inner wall of the air inlet pipe 202, and the motor 205 is bolted to one end of the support rod 204. The fan blade 206 is bolted to the output end of the motor 205, the filter 207 is movably connected to the inside of the air intake pipe 202, the connecting column 208 is circumferentially distributed at the bottom of the filter 207, the bolt 209 is threadedly connected to the inside of the connecting column 208, the mounting groove 210 is opened on the outer wall of the air intake pipe 202, the circulation pipe 211 is connected and arranged at the bottom of the storage bin 201, the circulation pump 212 is arranged at the bottom of the circulation pipe 211, the compressor 213 is arranged on one side of the circulation pump 212, the connecting column 208 is plugged into the slot 203, and the compressor 213 is electrically connected to the circulation pump 212.

[0031] In this embodiment: by setting the shell 1, the cold air circulation mechanism 2, the protection component 3, the storage bin 201, the air inlet pipe 202, the slot 203, the support rod 204, the motor 205, the fan blade 206, the filter 207, the connecting column 208, the bolt 209, the installation groove 210, the circulation pipe 211, the circulation pump 212 and the compressor 213, when in use, the refrigerant is first placed in the storage bin 201, and then the connecting column 208 is inserted into the slot 203, and then the connecting column 208 is fixed by the bolt 209, at this time the filter 207 will not shake, and then the motor 205 is started, and the motor 205 drives the fan blade 206 to rotate, and the rotation of the fan blade 206 drives the external air to enter the storage bin 201, so that the air is cooled, and the cooled air is used in cooperation with the circulation pipe 211 and the circulation pump 212 to realize circulation, and then the protection component 3 can prevent the refrigerant in the storage bin 201 from easily reacting with the air, saving resources.

[0032] As a technical optimization solution of the utility model, the protection component 3 includes a baffle 301 and a spring 302. The baffle 301 is hinged on the inner top wall of the storage bin 201, the spring 302 is welded to the bottom of the baffle 301, and one end of the spring 302 is welded to the inner top wall of the storage bin 201.

[0033] In this embodiment, by providing the baffle 301 and the spring 302, it is possible to prevent the external air from easily reacting with the refrigerant during use, thereby playing a role in protecting the refrigerant.

[0034] As a technical optimization solution of the present utility model, support columns 4 are bolted to both inner side walls of the shell 1 to prevent the circulation pipe 211 from shaking.

[0035] In this embodiment, by providing the support column 4 , the circulation pipe 211 can be prevented from shaking when the circulation pipe 211 is in operation, thereby increasing the stability of the circulation pipe 211 .

[0036] As a technical optimization solution of the present utility model, the bottom of the shell 1 is bolted with support legs 5 for increasing the stability of the shell 1 , and the number of the support legs 5 is four and they are evenly distributed.

[0037] In this embodiment, by providing the supporting legs 5 , the shaking amplitude of the housing 1 can be reduced, thereby increasing the stability of the housing 1 .

[0038] As a technical optimization solution of the present invention, an isolation plate 6 is provided above the air intake pipe 202 to prevent debris from falling onto the filter screen 207 .

[0039] In this embodiment, by providing the isolation plate 6, dust can be prevented from falling directly onto the filter screen 207 when the device is not in use.

[0040] As a technical optimization solution of the present invention, a rubber pad 7 is bonded to the bottom of the support leg 5 to prevent the support leg 5 from slipping.

[0041] In this embodiment, the rubber pad 7 is provided to prevent the support leg 5 from slipping, thereby increasing the stability of the housing 1 .

[0042] As a technical optimization solution of the present invention, a handle 8 for facilitating the movement of the isolation plate 6 is bolted to the top of the isolation plate 6 .

[0043] In this embodiment, by providing the handle 8, it is more convenient to pick up the isolation plate 6 when it is needed, thereby increasing convenience.

[0044] As a technical optimization solution of the present invention, an arc rod 9 is welded to the bottom of the baffle 301 , and one end of the arc rod 9 passes through the storage bin 201 and is slidably connected to the storage bin 201 .

[0045] In this embodiment, by providing the arc rod 9, when the fan blade 206 inhales gas, it is possible to prevent the spring 302 from contracting excessively and causing the spring 302 to bend.

[0046] Working principle: first, connect the motor 205, the circulation pump 212 and the compressor 213 to the external power supply, then place the refrigerant inside the storage bin 201, then insert the connecting column 208 into the slot 203, then fix the connecting column 208 with the bolt 209, at this time the filter 207 will not shake, then start the motor 205, the motor 205 drives the fan blades 206 to rotate, the rotation of the fan blades 206 drives the external air to enter the storage bin 201, so that the air is cooled, and the cooled air is circulated through the circulation pipe 211 and the circulation pump 212.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A refrigeration fan cold air circulation device, comprising a housing (1), characterized in that: A cold air circulation mechanism (2) for circulating cold air is arranged inside the housing (1), and a protection component (3) for protecting the cold air circulation mechanism (2) is arranged inside the cold air circulation mechanism (2); The cold air circulation mechanism (2) comprises a storage bin (201), an air intake pipe (202), a slot (203), a support rod (204), a motor (205), a fan blade (206), a filter (207), a connecting column (208), a bolt (209), a mounting slot (210), a circulation pipe (211), a circulation pump (212) and a compressor (213); the storage bin (201) is bolted to the inside of the housing (1); the air intake pipe (202) is connected and arranged in the storage bin (201); the slot (203) is circumferentially opened at the top of the air intake pipe (202); the support rods (204) are circumferentially distributed on the inner wall of the air intake pipe (202); and the motor (205) is bolted to one end of the support rod (204). The fan blade (206) is bolted to the output end of the motor (205), the filter (207) is movably connected to the inside of the air intake pipe (202), the connecting column (208) is circumferentially distributed at the bottom of the filter (207), the bolt (209) is threadedly connected to the inside of the connecting column (208), the mounting groove (210) is opened on the outer wall of the air intake pipe (202), the circulation pipe (211) is connected and arranged at the bottom of the storage bin (201), the circulation pump (212) is arranged at the bottom of the circulation pipe (211), the compressor (213) is arranged on one side of the circulation pump (212), the connecting column (208) is plugged into the slot (203), and the compressor (213) is electrically connected to the circulation pump (212).

2. A refrigeration fan cold air circulation device according to claim 1, characterized in that: The protection assembly (3) comprises a baffle (301) and a spring (302); the baffle (301) is hinged on the inner top wall of the storage bin (201); the spring (302) is welded to the bottom of the baffle (301); and one end of the spring (302) is welded to the inner top wall of the storage bin (201).

3. The refrigeration fan cold air circulation device according to claim 1, characterized in that: Support columns (4) for preventing the circulation pipe (211) from shaking are bolted to both inner side walls of the shell (1).

4. The refrigeration fan cold air circulation device according to claim 1, characterized in that: The bottom of the shell (1) is bolted with support legs (5) for increasing the stability of the shell (1), and the number of the support legs (5) is four and they are evenly distributed.

5. The refrigeration fan cold air circulation device according to claim 1, characterized in that: An isolation plate (6) is provided above the air inlet pipe (202) to prevent debris from falling onto the filter screen (207).

6. A refrigeration fan cold air circulation device according to claim 4, characterized in that: A rubber pad (7) is bonded to the bottom of the support leg (5) to prevent the support leg (5) from slipping.

7. The refrigeration fan cold air circulation device according to claim 5, characterized in that: A handle (8) is bolted to the top of the isolation plate (6) for easy movement of the isolation plate (6).

8. The refrigeration fan cold air circulation device according to claim 2, characterized in that: An arc-shaped rod (9) is welded to the bottom of the baffle (301), and one end of the arc-shaped rod (9) passes through the storage bin (201) and is slidably connected to the storage bin (201).

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