CN209763581U - Integrated air duct assembly - Google Patents

Abstract

The utility model provides an integrated air duct component, which comprises an air duct cover plate and air duct foam, wherein the air duct cover plate is arranged on an inner container of a refrigerator refrigerating chamber, the air duct foam is arranged between the air duct cover plate and the inner container, an air outlet duct is arranged on the air duct foam, and the integrated air duct component also comprises a circuit board which is arranged between the air duct cover plate and the air duct foam; the circuit board is provided with a lighting lamp, a potentiometer and a temperature sensing head, the air channel cover plate is provided with a first opening corresponding to the lighting lamp, a second opening corresponding to the potentiometer and a temperature sensing cavity corresponding to the temperature sensing head, the temperature sensing head is arranged in the temperature sensing cavity, a rotating shaft of the potentiometer extends out through the second opening, the air channel cover plate is provided with a temperature sensing opening corresponding to the temperature sensing cavity, and the temperature sensing opening is communicated with the temperature sensing cavity and the inner cavity of the refrigerating chamber. The utility model discloses to throw light on, temperature sensing, control by temperature change integration in an organic whole, simple structure, compactness have reduced occupation space, and the assembly step is also simplified in the reduction of spare part simultaneously to improve production efficiency, reduced manufacturing cost.

Description

An integrated air duct assembly

technical field

The utility model relates to the technical field of refrigerators, in particular to an integrated air duct assembly.

Background technique

Existing air-cooled refrigerators generally have functions such as lighting, temperature control, and temperature sensing, and are assembled in the refrigerator through various components. Wherein, the lighting lamp is generally installed on the top, side or back of the inner tank, the temperature controller is installed on the door panel or the top or side of the inner tank, and the temperature sensing head is installed on the side of the inner tank or the air duct cover plate. The above three are located in different positions of the refrigerator, and their function points are scattered and occupy a large space, resulting in an insufficiently compact layout. In addition, in the production process, due to the large number of parts and components, there are many assembly steps, which also leads to an increase in production costs.

Utility model content

The purpose of the utility model is to provide an integrated air duct assembly, which has a simple and compact structure to overcome the shortcomings of the prior art.

The technical solution of the utility model to solve the technical problem is: an integrated air duct assembly, including an air duct cover plate and an air duct foam, the air duct cover plate is arranged on the inner tank of the refrigerator refrigerating room, and the air duct foam It is arranged between the air duct cover plate and the inner tank, and the air duct foam is provided with an air outlet duct, and also includes a circuit board, and the circuit board is arranged between the air duct cover plate and the air duct foam; the circuit The board is provided with a lighting lamp, a potentiometer, and a temperature sensing head. The air duct cover plate is provided with a first opening corresponding to the lighting lamp, a second opening corresponding to the potentiometer, and a temperature sensing chamber corresponding to the temperature sensing head. , the temperature-sensing head is arranged in the temperature-sensing chamber, the rotating shaft of the potentiometer protrudes through the second opening, and the air duct cover plate is provided with a temperature-sensing port corresponding to the temperature-sensing chamber, and the temperature-sensing port is connected to the sensor Warm cavity and refrigerating cavity.

The rear side of the air duct cover is provided with an installation buckle, and the circuit board is arranged in the installation buckle; the rear side of the air duct cover is provided with a flat plate, and the flat plate is surrounded by the air duct cover Into a warm cavity.

A rib is provided on the first opening, and the rib is inclined toward the lighting lamp and encloses a lamp chamber, and a lamp cover is provided on the lamp chamber.

A limiting block is provided on the lamp cavity, and the flat plate located below extends toward the direction of the air duct foam and forms a limiting part, and the limiting block and the limiting part limit the installation position of the circuit board.

The lighting lamp is a light-emitting diode, the temperature sensing head is a thermistor, and a knob is arranged on the rotating shaft.

The air duct foam is provided with a cavity corresponding to the circuit board; a plastic film is provided between the air duct foam and the inner tank, and the plastic film is used to seal the air outlet air duct.

The beneficial effects of the utility model are:

The utility model provides an integrated air duct assembly, which integrates lighting, temperature sensing, and temperature control. Compared with the traditional air duct assembly, the utility model has a simple and compact structure, reduces the occupied space, and simultaneously The reduction also simplifies assembly steps, thereby improving production efficiency and reducing production costs.

Description of drawings

Fig. 1 is a schematic structural view of the integrated air duct assembly of the present invention.

Fig. 2 is a structural sectional view of the integrated air duct assembly of the utility model.

Fig. 3 is an exploded view of the structure of the integrated air duct assembly of the present invention.

Fig. 4 is a structural schematic diagram of the air duct cover plate in the utility model.

Fig. 5 is a structural schematic diagram of the air duct foam in the utility model.

Fig. 6 is a schematic structural view of the circuit board in the present invention.

Fig. 7 is a structural schematic diagram of the knob in the utility model.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" The orientation or positional relationship indicated by , "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. Unless stated otherwise, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection. It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Referring to Figures 1-7, an integrated air duct assembly is installed in the refrigerator compartment, including an air duct cover 1, an air duct foam 2, and a circuit board 3, and the air duct cover 1 is placed on the inner tank 4 of the refrigerator , the air duct foam 2 is arranged between the air duct cover 1 and the liner 4 , and the circuit board 3 is arranged between the air duct cover 1 and the air duct foam 2 .

The top and side of the air duct cover plate 1 are provided with a plurality of outer buckles 11, and correspondingly, the inner tank 4 is provided with an outer buckle 41, and the outer buckle 11 and the outer buckle 41 are buckled to connect the air duct. Road cover plate 1 is installed on the liner 4. The outer buckle 11 is provided with an inner buckle, and correspondingly, the side of the air duct foam 2 is provided with an inner snap groove 21, and the air duct foam 2 is fixed on the air duct by fastening the inner buckle and the inner snap groove 21. The rear side of the cover plate 1. Specifically, the outer buckle 11 is provided with ribs 12 , and the suspended ends of the ribs 12 are bent inward to form the inner buckle. Wherein, the air duct foam 2 is provided with an air outlet 22 on the top and side, and an air inlet 23 at the bottom, and the air duct foam 2 is provided with an air outlet duct 24 connecting the air outlet 22 and the air inlet 23 .

The rear side of the air duct cover plate 1 is provided with a mounting buckle 13 and a mounting column 131, and the circuit board 3 is clamped in the mounting buckle 13, and the circuit board 3 is further fixed by being connected with the mounting column 131 by screws. The circuit board 3 is provided with a light-emitting diode 31 for lighting, a potentiometer 32 for adjusting temperature, and a thermistor 33 for detecting the temperature of the refrigerator compartment.

The air duct cover plate 1 is provided with a first opening 14 corresponding to the light-emitting diode 31, and the first opening 14 is provided with a rib 141. The rib 141 is inclined toward the light-emitting diode 31 and encloses a lamp cavity 15, and the lamp cavity 15 is provided with a lamp Cover 42. The upper side of the lamp cover 42 is provided with a positioning block 43, and the lower side is provided with a fixing buckle. Correspondingly, the air duct cover plate 1 is provided with a positioning hole 431 and a fixing hole 44. The positioning hole 431 and the fixing hole 44 are located on the rib plate 141. At the connection with the first opening 14 , the positioning block 43 is inserted into the positioning hole 431 , and the fixing buckle is fastened with the fixing hole 44 , so that the lamp cover 42 is installed on the lamp cavity 15 .

The air duct cover 1 is provided with a second opening 16 corresponding to the potentiometer 32 , the rotating shaft 321 of the potentiometer 32 protrudes through the second opening 16 , and the rotating shaft 321 is provided with a knob 34 . The knob 34 is composed of an outer cover 341 and an inner cover 342 , the inner cover 342 is arranged in the outer cover 341 and connected with the rotating shaft 321 . The outer cover 341 is provided with a first hook 35, and the inner cover 342 is provided with a locking hole 351 corresponding to the first hook 35, and the outer cover 341 is connected to the inner cover through the fastening of the first hook 35 and the locking hole 351. 342 fixed connections. The inner cover 342 is provided with a connecting column 36 adapted to the rotating shaft 321, and the connecting column 36 is sleeved on the rotating shaft 321; the inner cover 342 is provided with a second hook 37, and the second hook 37 is fastened to the second opening 16 on, so that the knob 34 cannot fall off from the rotating shaft 321.

The air duct cover plate 1 is provided with a temperature sensing cavity 17 corresponding to the thermistor 33, and the rear side of the air duct cover plate 1 is provided with several flat plates 171, and the flat plates 171 and the air duct cover plate 1 form a temperature sensing cavity 17; The cover plate 1 is provided with a temperature-sensing port 172 corresponding to the temperature-sensing chamber 17, and the temperature-sensing port 172 communicates with the temperature-sensing chamber 17 and the interior cavity of the refrigerating chamber, so that the thermistor 33 can detect the temperature of the refrigerating chamber.

Further, a limiting block 18 is provided on the lamp cavity 15 , and the flat plate 171 at the bottom extends toward the air duct foam 2 to form a limiting portion 181 , the limiting block 18 and the limiting portion 181 limit the installation position of the circuit board 3 .

In addition, the air duct foam 2 is provided with a cavity 25 corresponding to the circuit board 3, the lamp chamber 15, and the temperature sensing chamber 17; a plastic film 26 is also provided between the air duct foam 2 and the inner tank 4, which is used to seal the air outlet. The air duct 24 prevents the cold wind from entering the cavity 25 to prevent the cold wind from affecting the work of the circuit board 3 .

Although the embodiments of the present invention have been shown and described, those skilled in the art should understand that various changes, modifications, substitutions and Variations, the scope of the utility model is defined by the claims and their equivalent replacements, and improvements made without creative work should be included in the protection scope of the utility model.

Claims (6)

1. An integrated air duct assembly, comprising an air duct cover plate and an air duct foam, the air duct cover plate is arranged on the inner container of the refrigerator refrigerating room, and the air channel foam is arranged between the air channel cover plate and the inner container In between, the air duct foam is provided with an air outlet duct, which is characterized in that: it also includes a circuit board, and the circuit board is arranged between the air duct cover plate and the air duct foam; the circuit board is provided with a lighting lamp , a potentiometer, and a temperature-sensing head, the air duct cover plate is provided with a first opening corresponding to the lighting lamp, a second opening is provided at the corresponding potentiometer, and a temperature-sensing chamber is provided at the corresponding temperature-sensing head, and the temperature-sensing head Set in the temperature sensing chamber, the rotating shaft of the potentiometer protrudes through the second opening, the air channel cover plate is provided with a temperature sensing port corresponding to the temperature sensing chamber, and the temperature sensing port communicates with the temperature sensing chamber and the refrigerating chamber . 2. The integrated air duct assembly according to claim 1, characterized in that: a mounting buckle is provided on the rear side of the air duct cover plate, and the circuit board is arranged in the mounting buckle; the air duct cover plate A flat plate is arranged on the rear side of the air duct, and the flat plate and the air duct cover plate form a temperature sensing chamber. 3. The integrated air duct assembly according to claim 2, wherein a rib is provided on the first opening, and the rib is inclined toward the lighting lamp and encloses a lamp cavity, and the lamp cavity is provided with a lamp cover. 4. The integrated air duct assembly according to claim 3, wherein a limiting block is provided on the lamp chamber, and the lower plate extends toward the direction of the air duct foam and forms a limiting part, and the limiting block The block and the limiting portion limit the installation position of the circuit board. 5 . The integrated air duct assembly according to claim 1 , wherein the lighting lamp is a light-emitting diode, the temperature-sensing head is a thermistor, and a knob is provided on the rotating shaft. 6. The integrated air duct assembly according to claim 1, characterized in that: the air duct foam is provided with an avoidance cavity corresponding to the circuit board; a plastic film is provided between the air duct foam and the inner tank, and the plastic The film is used to seal the air outlet duct.