CN220397783U - Wide-face air curtain machine of quick-freezing refrigerator - Google Patents

Abstract

The utility model discloses a wide-face air curtain machine of a quick-freezing refrigerator, and relates to the technical field of air curtain machines. The air guide mechanism is arranged at an air outlet of the shell. According to the utility model, the fan unit outside the refrigerator supplies air to the inside of the shell, so that the air curtain machine can be prevented from sucking and discharging the cold air inside the refrigerator outwards, and the problem of cold air leakage inside the refrigerator is effectively avoided.

Description

Wide-face air curtain machine of quick-freezing refrigerator

Technical Field

The utility model belongs to the technical field of air curtain machines, and particularly relates to a wide-face air curtain machine of a quick-freezing refrigerator.

Background

The air curtain machine can isolate an outdoor space from an indoor space through curtain-shaped airflow, so that indoor cold and warm air is not easy to escape outdoors, and meanwhile, the air curtain machine can effectively resist invasion of dust, smoke and the like outside into the indoor space. Therefore, it has been widely used for entrances to shops, theatres, hotels, refrigerators, etc.;

the existing refrigeration house door is often provided with an air curtain machine, and air flow blown out by the air curtain machine isolates air in the refrigeration house from air outside the refrigeration house, so that the cool air in the refrigeration house is reduced from overflowing outside the refrigeration house; however, even if the air curtain machine is installed, a small amount of cool air still overflows the refrigerator, and the cool air tends to be located at a side close to the ground due to the sinking effect of the cool air. Meanwhile, heat exchange is carried out between air in the refrigerator and air blown out by the air curtain machine, the air curtain machine in the prior art often sucks air in the refrigerator and sprays cool air to form an air curtain, so that the cool air in the refrigerator is further leaked, and the refrigerating power consumption of the refrigerator is increased.

Disclosure of Invention

The utility model aims to provide a wide-face air curtain machine of a quick-freezing refrigerator, which guides air to the inside of a shell through an external fan unit and solves the problem that the air curtain can suck air of the refrigerator and spray the air outwards.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model discloses a wide-face air curtain machine of a quick-freezing refrigerator, which comprises a shell, wherein an air inlet of the shell is fixedly provided with an air guide pipe, the inlet end of the air guide pipe is connected with a fan unit, the inner side of the shell is detachably provided with a filter screen, and an air outlet of the shell is provided with an air guide mechanism.

Further, the air guide mechanism comprises a guide seat which is fixedly arranged on the inner side of the shell and is of an inclined structure.

Further, the air guide mechanism further comprises a plurality of air guide plates, a plurality of connecting plates, a movable rod and an electric push rod; the air deflectors are rotatably mounted on the inner side of the shell through pin shafts and are equidistantly distributed along the length direction of the shell, one end of each connecting plate is fixedly connected with the corresponding air deflector coaxially, the other end of each connecting plate is hinged to the movable rod, and the electric push rod is fixedly mounted on the inner side of the shell and the output end of each electric push rod is hinged to the end of the corresponding movable rod.

Further, a cleaning mechanism is arranged on the top surface of the filter screen and comprises a reciprocating screw rod, a guide rod, a sliding seat and a motor; the reciprocating screw rod is rotatably arranged on the inner side of the shell, the guide rod is fixedly arranged on the inner side of the shell and is parallel to the reciprocating screw rod, one end of the sliding seat is in threaded connection with the reciprocating screw rod, the other end of the sliding seat is in sliding connection with the guide rod, and the motor is fixedly arranged on the inner side of the shell and is fixedly connected with the output shaft.

Further, the bottom of sliding seat fixed mounting has the elasticity to scrape the strip, the bottom of elasticity is scraped the strip and is laminated with the top surface of filter screen.

The utility model has the following beneficial effects:

1. according to the utility model, the fan unit outside the refrigerator supplies air to the inside of the shell, so that the air curtain machine can be prevented from sucking and discharging cold air in the refrigerator outwards, and the problem of cold air leakage in the refrigerator is effectively avoided;

2. according to the utility model, the movable rod slides back and forth by controlling the electric push rod, so that all the connecting plates drive the corresponding air deflectors to swing back and forth, and the air deflectors uniformly guide out air, so that a stable air curtain can be formed to prevent external air from entering the refrigerator.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a wide-face air curtain of a quick-freeze refrigerator;

FIG. 2 is a partial cross-sectional view of a wide-face air curtain of the quick-freeze refrigerator;

FIG. 3 is a schematic view of the structure of the air guide mechanism of the wide-face air curtain of the quick-freezing refrigerator;

fig. 4 is a schematic structural view of a cleaning mechanism of a wide-face air curtain machine of the quick-freezing refrigerator;

in the drawings, the list of components represented by the various numbers is as follows:

1. a housing; 2. an air guide pipe; 3. a fan unit; 4. a filter screen; 5. an air guide mechanism; 51. a diversion seat; 52. an air deflector; 53. a connecting plate; 54. a movable rod; 55. an electric push rod; 6. a cleaning mechanism; 61. a reciprocating screw rod; 62. a guide rod; 63. a sliding seat; 64. an elastic scraping strip; 65. and a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model discloses a wide-face air curtain machine of a quick-freezing refrigerator, which comprises a shell 1, wherein an air inlet of the shell 1 is fixedly provided with an air guide pipe 2, the inlet end of the air guide pipe 2 is connected with a fan unit 3, and the fan unit 3 is arranged outside the refrigerator; the inner side of the shell 1 is detachably provided with a filter screen 4, and the filter screen 4 is used for filtering out dust or impurities in the external air; an air outlet of the shell 1 is provided with an air guide mechanism 5; the air is supplied to the inside of the shell 1 through the fan unit 3 outside the refrigerator, so that the air curtain machine can be prevented from sucking and discharging the cold air inside the refrigerator outwards, and the problem of cold air leakage inside the refrigerator is effectively avoided.

As shown in fig. 3, the air guiding mechanism 5 includes a guiding seat 51, a plurality of air guiding plates 52, a plurality of connecting plates 53, a movable rod 54 and an electric push rod 55, wherein the guiding seat 51 is fixedly installed on the inner side of the casing 1 and is of an inclined structure; the air deflectors 52 are rotatably mounted on the inner side of the shell 1 through pins and are equidistantly distributed along the length direction of the shell 1, one ends of the connecting plates 53 are respectively and fixedly connected with the corresponding air deflectors 52 in a coaxial mode, the other ends of the connecting plates 53 are hinged to the movable rods 54, the electric push rods 55 are fixedly mounted on the inner side of the shell 1, and output ends of the electric push rods are hinged to the end portions of the movable rods 54. After the air guide pipe 2 guides the external air into the shell 1, the air is vertically blown to each air guide plate 52 under the guidance of the air guide seat 51, so that the air is vertically blown out to form an air curtain; the movable rod 54 can slide reciprocally by controlling the electric push rod 55, so that all the connecting plates 53 drive the corresponding air deflectors 52 to swing reciprocally, and the air deflectors 52 uniformly guide out air, so that a stable air curtain can be formed to prevent external air from entering the refrigerator.

As shown in fig. 4, the top surface of the filter screen 4 is provided with a cleaning mechanism 6, and the cleaning mechanism 6 comprises a reciprocating screw rod 61, a guide rod 62, a sliding seat 63 and a motor 65; the reciprocating screw 61 is rotatably mounted on the inner side of the housing 1, the guide rod 62 is fixedly mounted on the inner side of the housing 1 and is parallel to the reciprocating screw 61, one end of the sliding seat 63 is in threaded connection with the reciprocating screw 61, the other end of the sliding seat 63 is in sliding connection with the guide rod 62, the motor 65 is fixedly mounted on the inner side of the housing 1, and the output shaft is fixedly connected with the reciprocating screw 61; the bottom of the sliding seat 63 is fixedly provided with an elastic scraping strip 64, and the bottom of the elastic scraping strip 64 is attached to the top surface of the filter screen 4. The reciprocating screw rod 61 can be rotated by starting the motor 65, so that the sliding seat 63 can slide reciprocally along the guide rod 62, the elastic scraping strip 64 can slide reciprocally on the top surface of the filter screen 4, and then the elastic scraping strip 64 can clean impurities or dust on the top surface of the filter screen 4, so that the problem that the filter screen 4 is blocked by impurities and cannot enter air is effectively avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (5)

1. The wide-face air curtain machine of the quick-freezing refrigerator comprises a shell (1), and is characterized in that: the air inlet of casing (1) fixed mounting has guide duct (2), the entrance point of guide duct (2) is connected with fan unit (3), fan unit (3) set up in the refrigerator outside, filter screen (4) are installed to the inboard demountable installation of casing (1), wind guide mechanism (5) are installed to the air outlet of casing (1).

2. The broad-side air curtain machine of a quick-freezing refrigerator according to claim 1, wherein the air guiding mechanism (5) comprises a guiding seat (51), and the guiding seat (51) is fixedly installed on the inner side of the shell (1) and is of an inclined structure.

3. The broad-side air curtain machine of a quick-freezing refrigerator according to claim 2, characterized in that the air guiding mechanism (5) further comprises a plurality of air guiding plates (52), a plurality of connecting plates (53), a movable rod (54) and an electric push rod (55); a plurality of aviation baffles (52) are all installed in the inboard of casing (1) through the round pin axle rotation, and along the length direction equidistance distribution of casing (1), a plurality of the one end of connecting plate (53) respectively with corresponding aviation baffle (52) coaxial fixed connection, a plurality of the other end of connecting plate (53) all articulates with movable rod (54), electric putter (55) fixed mounting is in the inboard of casing (1), and the output is articulated with the tip of movable rod (54).

4. A wide-face air curtain machine of a quick-freezing refrigerator according to claim 3, characterized in that a cleaning mechanism (6) is arranged on the top surface of the filter screen (4), and the cleaning mechanism (6) comprises a reciprocating screw rod (61), a guide rod (62), a sliding seat (63) and a motor (65); the reciprocating screw rod (61) is rotatably arranged on the inner side of the shell (1), the guide rod (62) is fixedly arranged on the inner side of the shell (1) and is parallel to the reciprocating screw rod (61), one end of the sliding seat (63) is in threaded connection with the reciprocating screw rod (61), the other end of the sliding seat (63) is in sliding connection with the guide rod (62), and the motor (65) is fixedly arranged on the inner side of the shell (1) and is fixedly connected with the output shaft and the reciprocating screw rod (61).

5. The wide-face air curtain machine of a quick-freezing refrigerator according to claim 4, wherein an elastic scraping strip (64) is fixedly arranged at the bottom of the sliding seat (63), and the bottom of the elastic scraping strip (64) is attached to the top surface of the filter screen (4).