Dustproof device of refrigeration fan

Abstract

The utility model discloses a dustproof device for a refrigeration fan, which belongs to the technical field of refrigeration fans and comprises a shell, a dustproof cover is arranged on one side of the shell, a dustproof component is arranged on the side wall of the dustproof cover, and a positioning component is arranged between the dustproof cover and the shell. Through the arrangement of the ventilation groove, the locking bolt, the first filter screen, the connecting assembly and the positioning assembly, during use, the first filter screen is installed in the shell through the connecting assembly, then the dustproof cover and the shell are locked and fixed through the locking bolt, and the ventilation groove is convenient for the shell and the outside to keep air circulation all the time; the first filter screen can filter air entering the shell, the first filter screen and the shell can be conveniently mounted and dismounted by arranging the connecting assembly, and the dustproof cover and the shell can be accurately positioned when being mounted by arranging the positioning assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration fans, in particular to a dust-proof device for refrigeration fans. Background Art

[0002] Refrigeration fans are divided into industrial refrigeration fans and household air coolers. Industrial refrigeration fans are generally used in cold storage and cold chain logistics refrigeration environments. Household air coolers, also known as water-cooled air conditioners, are evaporative cooling and ventilation units that integrate cooling, ventilation, dust prevention and deodorization.

[0003] The Chinese utility model patent currently announced as: CN215063214U discloses a dust-proof structure for an industrial high-temperature air cooler, including a shell, on which are provided a controller, an air inlet slot, a first fixing ring and a second fixing ring, the controller being fixedly connected to the upper end of the shell, the two air inlet slots being provided, and symmetrically arranged on the left and right sides of the shell, the first fixing ring being fixedly connected to the left side inside the shell, the second fixing ring being fixedly connected to the right side inside the shell, a wind speed sensor I being arranged inside the first fixing ring, and a wind speed sensor II being arranged inside the second fixing ring, this utility model realizes detection and alarm of the air intake condition of the air inlet slot of the dust-proof structure, so that the operator can clean the dust-proof isolation mesh plate as soon as possible, avoiding the phenomenon that the dust-proof isolation mesh plate is blocked by dust and affects the air intake, and improving the patency of the dust-proof structure when in use.

[0004] Although this patent has the function of detecting and alarming the air intake condition of the ventilation slots of the dustproof structure, thereby enabling the operator to clean the dustproof isolation screen immediately, thus avoiding the phenomenon that the dustproof isolation screen is blocked by dust and affects the air intake, and improving the patency of the dustproof structure when in practical use, there is still the inconvenience of maintenance caused by the inconvenience of removing the dustproof screen, and it is unable to effectively isolate the noise generated by the refrigeration fan. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides a dustproof device for a refrigeration fan, aiming to solve the problem that the existing dustproof device for a refrigeration fan has the problem of inconvenient maintenance caused by the inconvenience of disassembling the dustproof net, and cannot effectively isolate the noise generated by the refrigeration fan.

[0007] 2. Technical solution

[0008] The utility model is implemented as follows: a dustproof device for a refrigeration fan comprises a shell, a dustproof cover is arranged on one side of the shell, a dustproof component is arranged on the side wall of the dustproof cover, and a positioning component is arranged between the dustproof cover and the shell;

[0009] The dustproof component includes ventilation slots, locking bolts, a first filter and a connecting component. Multiple ventilation slots are opened on the side wall of the dust cover and penetrate the dust cover. Eight locking bolts all penetrate the dust cover into the shell. The first filter is arranged inside the shell, and the connecting component is arranged on the side wall of the first filter.

[0010] In order to facilitate the installation and disassembly of the first filter and the shell, as a preferred dust prevention device for a refrigeration fan of the utility model, the connecting assembly includes a fixing rod, a fixing block and an insertion hole, four of the fixing rods are fixedly connected to the side wall of the first filter, the four fixing rods are located at the four corners of the first filter, the four fixing blocks are fixedly connected to the inner wall of the shell, and the insertion hole is opened on the side wall of the fixing block and is plugged into the fixing rod.

[0011] In order to accurately position the dust cover and the shell during installation, as a preferred dust prevention device for a refrigeration fan of the utility model, the positioning assembly includes a positioning block and a positioning groove, the six positioning blocks are fixedly connected to the side wall of the dust cover, and the positioning groove is opened on the side wall of the shell and is plugged into the positioning block.

[0012] In order to prevent dust from entering the air into the shell through the ventilation slots and avoid dust from directly entering the interior of the ventilation slots, as a preferred dust prevention device for a refrigeration fan of the utility model, the side wall of the dust cover is fixedly connected with a plurality of dust prevention blades, and the plurality of dust prevention blades are used in conjunction with the plurality of ventilation slots.

[0013] In order to seal the gap between the dust cover and the shell, as a preferred dust prevention device for a refrigeration fan of the utility model, a sealing strip is provided between the dust cover and the first filter screen, and the sealing strip is fixedly connected to the side wall of the dust cover.

[0014] In order to perform preliminary filtering treatment on the air entering into the shell through the ventilation slots, as a preferred dust prevention device for a refrigeration fan of the utility model, a second filter screen is fixedly connected to the interior of each of the plurality of ventilation slots.

[0015] In order to absorb and weaken the noise generated inside the shell, thereby improving the noise reduction effect, as a preferred dust prevention device for a refrigeration fan of the utility model, a sound insulation board is provided on one side of the first filter screen, and the sound insulation board is fixedly connected to the inner wall of the shell.

[0016] In order to prevent external air from directly entering the interior of the shell, the V-shaped ventilation grooves will slow down the air and prevent dust. As a preferred dust prevention device for a refrigeration fan of the utility model, the multiple ventilation grooves are all V-shaped and evenly distributed on the side walls of the dust cover at equal distances.

[0017] 3. Beneficial effects

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

[0019] The dust-proof device for the refrigeration fan is provided with ventilation grooves, locking bolts, a first filter, a connecting assembly and a positioning assembly. When in use, the first filter is first installed inside the shell through the connecting assembly, and then the dust cover is locked and fixed to the shell by the locking bolts. The ventilation groove facilitates the air circulation between the shell and the outside world at all times. The first filter can filter the air entering the shell. The connecting assembly can facilitate the installation and disassembly of the first filter and the shell. The positioning assembly can accurately position the dust cover and the shell during installation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is a front view of the utility model;

[0022] Figure 3 It is a schematic diagram of a three-dimensional cross section at AA of the utility model;

[0023] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0024] Figure 5 It is a schematic diagram of the dustproof component of the utility model;

[0025] Figure 6 It is a schematic diagram of the connection assembly of the utility model;

[0026] Figure 7 It is a schematic diagram of the positioning component of the utility model;

[0027] Figure 8 It is a schematic diagram of the sealing strip of the utility model.

[0028] Description of the numbers in the figure:

[0029] 1. Shell; 2. Dust cover; 3. Dustproof assembly; 301. Ventilation slot; 302. Locking bolt; 303. First filter; 304. Connecting assembly; 3041. Fixing rod; 3042. Fixing block; 3043. Insertion hole; 4. Positioning assembly; 401. Positioning block; 402. Positioning slot; 5. Dustproof blade; 6. Sealing strip; 7. Second filter; 8. Sound insulation board. DETAILED DESCRIPTION

[0030] 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.

[0031] 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.

[0032] See also Figure 1-8 The utility model provides a technical solution: a dustproof device for a refrigeration fan, comprising a shell 1, a dustproof cover 2 is arranged on one side of the shell 1, a dustproof component 3 is arranged on the side wall of the dustproof cover 2, and a positioning component 4 is arranged between the dustproof cover 2 and the shell 1;

[0033] The dustproof component 3 includes ventilation slots 301, locking bolts 302, a first filter 303 and a connecting component 304. Multiple ventilation slots 301 are opened on the side wall of the dust cover 2 and penetrate the dust cover 2. Eight locking bolts 302 all penetrate the dust cover 2 to the shell 1. The first filter 303 is arranged inside the shell 1, and the connecting component 304 is arranged on the side wall of the first filter 303.

[0034] In this embodiment: by providing ventilation slots 301, locking bolts 302, a first filter 303, a connecting assembly 304 and a positioning assembly 4, when in use, first install the first filter 303 inside the shell 1 through the connecting assembly 304, and then lock and fix the dust cover 2 to the shell 1 through the locking bolts 302. The ventilation slots 301 facilitate air circulation between the shell 1 and the outside world at all times. The first filter 303 can filter the air entering the shell 1. By providing the connecting assembly 304, the first filter 303 and the shell 1 can be easily installed and disassembled. By providing the positioning assembly 4, the dust cover 2 and the shell 1 can be accurately positioned when installed.

[0035] As a technical optimization solution of the utility model, the connecting component 304 includes a fixing rod 3041, a fixing block 3042 and an insertion hole 3043, the four fixing rods 3041 are fixedly connected to the side wall of the first filter screen 303, the four fixing rods 3041 are located at the four corners of the first filter screen 303, the four fixing blocks 3042 are fixedly connected to the inner wall of the shell 1, and the insertion hole 3043 is opened on the side wall of the fixing block 3042 and is plugged into the fixing rod 3041.

[0036] In this embodiment, by providing a fixing rod 3041 , a fixing block 3042 and an insertion hole 3043 , the first filter 303 is plugged into the insertion hole 3043 on the fixing rod 3041 and the fixing block 3042 , thereby facilitating installation and removal of the first filter 303 and the housing 1 .

[0037] As a technical optimization solution of the utility model, the positioning assembly 4 includes a positioning block 401 and a positioning slot 402 . The six positioning blocks 401 are fixedly connected to the side wall of the dust cover 2 . The positioning slot 402 is opened on the side wall of the shell 1 and plugged into the positioning block 401 .

[0038] In this embodiment, by providing a positioning block 401 and a positioning groove 402 , the dust cover 2 is plugged into the positioning groove 402 on the side wall of the housing 1 through the positioning block 401 , so that the dust cover 2 and the housing 1 can be accurately positioned when being installed.

[0039] As a technical optimization solution of the present invention, a plurality of dustproof blades 5 are fixedly connected to the side wall of the dustproof cover 2 , and the plurality of dustproof blades 5 are used in conjunction with the plurality of ventilation slots 301 .

[0040] In this embodiment, by providing the dustproof blades 5 , the air entering the housing 1 through the ventilation slots 301 can be dustproofed, thereby preventing dust from directly entering the ventilation slots 301 .

[0041] As a technical optimization solution of the present invention, a sealing strip 6 is provided between the dust cover 2 and the first filter screen 303 , and the sealing strip 6 is fixedly connected to the side wall of the dust cover 2 .

[0042] In this embodiment, the sealing strip 6 is provided to seal the gap between the dust cover 2 and the housing 1 .

[0043] As a technical optimization solution of the present invention, the interiors of the plurality of ventilation slots 301 are all fixedly connected with a second filter screen 7 .

[0044] In this embodiment, by providing the second filter screen 7 , the air entering into the housing 1 through the ventilation slots 301 can be preliminarily filtered.

[0045] As a technical optimization solution of the present invention, a sound insulation board 8 is provided on one side of the first filter screen 303 , and the sound insulation board 8 is fixedly connected to the inner wall of the shell 1 .

[0046] In this embodiment, by providing the sound insulation board 8, the noise generated inside the shell 1 can be absorbed and weakened, thereby improving the noise reduction effect.

[0047] As a technical optimization solution of the present invention, the plurality of ventilation slots 301 are all V-shaped and are evenly distributed on the side wall of the dust cover 2 at equal distances.

[0048] In this embodiment: by providing V-shaped ventilation grooves 301 evenly distributed on the side wall of the dust cover 2, it is possible to prevent external air from directly entering the interior of the housing 1. The V-shaped ventilation grooves 301 will slow down the air and prevent dust.

[0049] Working principle: First, connect the first filter 303 through the fixing rod 3041 and the insertion hole 3043 on the fixing block 3042, so as to facilitate the installation and disassembly of the first filter 303 and the shell 1, and then lock and fix the dust cover 2 to the shell 1 through the locking bolt 302. The ventilation groove 301 facilitates the shell 1 to keep the air circulating with the outside world at all times. The first filter 303 can filter the air entering the shell 1, and the dustproof blades 5 can prevent the air entering the shell 1 through the ventilation groove 301 from dust, preventing dust from directly entering the ventilation groove 301. The second filter 7 can perform preliminary filtering on the air entering the shell 1 through the ventilation groove 301, and the sound insulation board 8 can absorb and reduce the noise generated inside the shell 1, thereby improving the noise reduction effect.

[0050] 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 dust prevention device for a refrigeration fan, comprising a housing (1), characterized in that: A dust cover (2) is provided on one side of the shell (1), a dust cover assembly (3) is provided on the side wall of the dust cover (2), and a positioning assembly (4) is provided between the dust cover (2) and the shell (1); The dustproof component (3) comprises a ventilation slot (301), a locking bolt (302), a first filter (303) and a connecting component (304); a plurality of the ventilation slots (301) are provided on the side wall of the dustproof cover (2) and penetrate the dustproof cover (2); eight of the locking bolts (302) penetrate the dustproof cover (2) into the shell (1); the first filter (303) is arranged inside the shell (1); and the connecting component (304) is arranged on the side wall of the first filter (303).

2. The dust-proof device for a refrigeration fan according to claim 1, characterized in that: The connecting assembly (304) comprises a fixing rod (3041), a fixing block (3042) and an insertion hole (3043); the four fixing rods (3041) are fixedly connected to the side wall of the first filter screen (303); the four fixing rods (3041) are located at the four corners of the first filter screen (303); the four fixing blocks (3042) are fixedly connected to the inner side wall of the shell (1); and the insertion hole (3043) is opened on the side wall of the fixing block (3042) and is plugged into the fixing rod (3041).

3. The dust prevention device for a refrigeration fan according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning block (401) and a positioning slot (402), the six positioning blocks (401) are all fixedly connected to the side wall of the dust cover (2), and the positioning slot (402) is opened on the side wall of the shell (1) and is plugged into the positioning block (401).

4. The dust prevention device for a refrigeration fan according to claim 1, characterized in that: A plurality of dustproof blades (5) are fixedly connected to the side wall of the dustproof cover (2), and the plurality of dustproof blades (5) are used in conjunction with a plurality of ventilation slots (301).

5. The dust prevention device for a refrigeration fan according to claim 1, characterized in that: A sealing strip (6) is provided between the dust cover (2) and the first filter screen (303), and the sealing strip (6) is fixedly connected to the side wall of the dust cover (2).

6. The dust prevention device for a refrigeration fan according to claim 1, characterized in that: A second filter screen (7) is fixedly connected inside each of the plurality of ventilation slots (301).

7. The dust-proof device for a refrigeration fan according to claim 1, characterized in that: A sound insulation board (8) is provided on one side of the first filter screen (303), and the sound insulation board (8) is fixedly connected to the inner side wall of the shell (1).

8. The dust prevention device for a refrigeration fan according to claim 1, characterized in that: The plurality of ventilation slots (301) are all V-shaped and are evenly distributed at equal distances on the side wall of the dust cover (2).

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