CN220981682U - Sealed cotton device for household appliance air duct - Google Patents

Abstract

The utility model relates to the technical field of sealing cotton devices, in particular to a sealing cotton device for an air duct of a household appliance, which comprises a threaded rod and sealing cotton, wherein the bottom end of the threaded rod is in spiral connection with the air duct, the air duct is positioned on the right side of a refrigerator shell, a limiting ring plate is fixedly connected in the middle of the threaded rod, the limiting ring plate is tightly attached to a second fixing plate, an expansion spring is arranged on the outer side of the right end of the threaded rod, the left end of the expansion spring is fixedly connected with a first fixing plate, and sealing cotton is arranged between the left end of the air duct and the refrigerator shell.

Description

Sealed cotton device for household appliance air duct

Technical Field

The utility model relates to the technical field of sealing cotton devices, in particular to a sealing cotton device for an air duct of a household appliance.

Background

The sealing cotton device is a structure matched with sealing cotton for sealing, the structure can further ensure the tightness of the device in the actual use process, and the sealing degree between the refrigerator shell and the air duct (the air duct is arranged at the air outlet of the fresh-keeping chamber of the refrigerator) can be ensured by sealing the refrigerator shell and the air duct through the sealing cotton device;

However, the existing sealing cotton device is installed on a refrigerator at room temperature in the practical application process, the temperature in the refrigerator is reduced in the use process, so that the sealing cotton is contracted, the contraction range of the sealing cotton is limited, and the service life of the sealing cotton device is further influenced.

Disclosure of Invention

The utility model aims to provide a sealing cotton device for an air duct of a household appliance, which aims to solve the problem that the service life of sealing cotton is influenced by shrinkage of the sealing cotton due to lower environmental temperature in the using process of the upper sealing cotton when the upper sealing cotton is installed at room temperature.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a household electrical appliances wind channel is with sealed cotton device, includes threaded rod and sealed cotton, screwed connection between threaded rod bottom and the wind channel, the wind channel is located the position on refrigerator casing right side, fixedly connected with spacing ring board in the middle of the threaded rod, spacing ring board and second fixed plate are hugged closely, the threaded rod right-hand member outside is equipped with the extension spring, the first fixed plate of extension spring left end fixedly connected with, be equipped with sealed cotton between wind channel left end and the refrigerator casing.

Preferably, the air duct is in a T-shaped arrangement, and the first fixing plate and the second fixing plate are arranged in parallel.

Preferably, the threaded rod is in sliding connection with the first fixing plate and the second fixing plate, and the threaded rod is arranged at an angle of 90 degrees between the first fixing plate and the second fixing plate.

Preferably, the telescopic spring is fixedly connected with the threaded rods, the number of the threaded rods is two, and the threaded rods are arranged in an up-down parallel mode.

Preferably, the right side of the air duct is connected with an inner pipeline, and the inner pipeline is arranged at a position inside the refrigerator shell.

Preferably, the outside of the air duct is fixedly connected with an outer frame through a positioning plate and a fixing bolt, and the right end face of the outer frame is clung to the sealing cotton.

Preferably, the number of the positioning plates is four, limiting holes are formed in the inner sides of the positioning plates, threaded holes are formed in the left ends of the air channels, and the threaded holes correspond to the limiting holes one by one.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, through the threaded rod, the telescopic spring and the first fixing plate, in the actual use process, the threaded rod can be driven by the telescopic spring to always pull the air duct to keep the force for moving towards the threaded rod, so that the sealing cotton can be continuously extruded after being contracted, and the service life of the sealing cotton device can be effectively prolonged;

2. According to the utility model, the sealing cotton can be conveniently replaced in the later period through the arranged external frame, the fixed bolts and the positioning plate, so that the convenience in the later period maintenance process is effectively improved, and the sealing cotton sealing device has good practical value.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the installation position of the air duct of the present utility model;

FIG. 3 is a schematic view of the internal piping installation location structure of the present utility model;

fig. 4 is a schematic diagram of the structure a in fig. 3 according to the present utility model.

In the figure: the refrigerator comprises a refrigerator shell, a 2-air duct, a 3-inner pipeline, a 4-first fixing plate, a 5-telescopic spring, a 6-threaded rod, a 7-second fixing plate, an 8-limiting ring plate, a 9-fixing bolt, 10-sealing cotton, 11-threaded holes, 12-outer frames, 13-limiting holes and 14-positioning plates.

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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a household electrical appliances wind channel is with sealed cotton device, includes threaded rod 6 and sealed cotton 10, threaded rod 6 bottom and wind channel 2 between screwed connection, and wind channel 2 is located the position on refrigerator casing 1 right side, and fixedly connected with spacing ring board 8 in the middle of the threaded rod 6, spacing ring board 8 hugs closely with second fixed plate 7, and threaded rod 6 right-hand member outside is equipped with telescopic spring 5, and telescopic spring 5 left end fixedly connected with is first fixed plate 4, is equipped with sealed cotton 10 between wind channel 2 left end and the refrigerator casing 1.

The air duct 2 is arranged in a T shape, the first fixing plate 4 and the second fixing plate 7 are arranged in parallel, the T-shaped air duct 2 can stably fix the sealing cotton 10 between the air duct 2 and the refrigerator shell 1, and meanwhile, the threaded rod 6 can be stably limited through the first fixing plate 4 and the second fixing plate 7; the threaded rod 6 is in sliding connection with the first fixing plate 4 and the second fixing plate 7, the threaded rod 6 and the first fixing plate 4 are arranged at 90 degrees with the second fixing plate 7, and stability of the threaded rod 6 in the fixing process of the air duct 2 can be guaranteed through the arrangement; the telescopic springs 5 are fixedly connected with the threaded rods 6, the number of the threaded rods 6 is two, the threaded rods 6 are arranged in parallel up and down, and the stability of the whole structure of the device can be ensured in the actual use process; the right side of the air duct 2 is connected with the inner pipeline 3, and the inner pipeline 3 is arranged at the inner side of the refrigerator shell 1, so that the air duct 2 and the inner pipeline 3 are stably connected in the refrigerator shell 1 for ventilation; the outer side of the air duct 2 is fixedly connected with an outer frame 12 through a positioning plate 14 and a fixing bolt 9, the right end surface of the outer frame 12 is tightly attached to the sealing cotton 10, and the tightness of the connection between the air duct 2 and the refrigerator shell 1 can be ensured; the number of the positioning plates 14 is four, limiting holes 13 are formed in the inner sides of the positioning plates 14, threaded holes 11 are formed in the left ends of the air channels 2, the threaded holes 11 correspond to the limiting holes 13 one by one, and the air channels 2 and the outer frames 12 can be stably connected together in the actual use process.

The working flow is as follows: in the process of installing and using the sealing cotton device for the air duct of the household appliance, in particular to the process of installing and using the sealing cotton device for the air duct at the upper end of the refrigerator shell 1: firstly, the staff needs to fix outer frame 12 and wind channel 2 through fixing bolt 9 link together, fixed in-process passes spacing hole 13 that locating plate 14 inboard was offered through fixing bolt 9 then use the tool to rotate fixing bolt 9 and the screw hole 11 screwed connection that wind channel 2 inboard was offered and make fixing bolt 9, such setting can be at the later stage directly dismantle outer frame 12 and change sealed cotton 10 (because outer frame 12 is spacing to the position of sealed cotton 10 left end face half, so can utilize sealed cotton 10 self's deformation to change it), then the staff needs to place wind channel 2 in the inside position of refrigerator casing 1, the in-process of placing needs place sealed cotton 10 in the position between wind channel 2 and refrigerator casing 1, then use threaded rod 6 to pass first fixed plate 4 and second fixed plate 7 to be connected with wind channel 2 from refrigerator casing 1 inboard, spacing crown plate 8 through setting up can be spacing threaded rod 6, and then can prevent that threaded rod 6 from entering into the problem that the inside position of 2 is too much and cause wind channel 2 to damage, after the installation is accomplished, can not have the practical problem that the expansion and contraction of setting up in the refrigerator casing 2 in the setting up in the actual setting up in the refrigerator casing 1 and can not have the practical value to set up the position of the actual air channel 2 at the side of setting up in the refrigerator 1 and can not be aged in the actual air channel 2 at the side of setting up the refrigerator 1 and the position of the refrigerator 1.

Claims (7)

1. The utility model provides a household electrical appliances wind channel is with sealed cotton device, includes threaded rod (6) and sealed cotton (10), its characterized in that: threaded rod (6) bottom and wind channel (2) between screwed connection, wind channel (2) are located the position on refrigerator casing (1) right side, fixedly connected with spacing ring board (8) in the middle of threaded rod (6), spacing ring board (8) and second fixed plate (7) are hugged closely, threaded rod (6) right-hand member outside is equipped with expansion spring (5), expansion spring (5) left end fixedly connected with first fixed plate (4), be equipped with sealed cotton (10) between wind channel (2) left end and refrigerator casing (1).

2. The sealed cotton device for an air duct of a household appliance according to claim 1, wherein: the air duct (2) is arranged in a T shape, and the first fixing plate (4) and the second fixing plate (7) are arranged in parallel.

3. The sealed cotton device for an air duct of a household appliance according to claim 1, wherein: threaded rod (6) and first fixed plate (4), second fixed plate (7) all sliding connection, be 90 setting between threaded rod (6) and first fixed plate (4) and second fixed plate (7).

4. The sealed cotton device for an air duct of a household appliance according to claim 1, wherein: the telescopic spring (5) is fixedly connected with the threaded rods (6), the number of the threaded rods (6) is two, and the threaded rods (6) are arranged in parallel up and down.

5. The sealed cotton device for an air duct of a household appliance according to claim 1, wherein: the right side of the air duct (2) is connected with the inner pipeline (3), and the inner pipeline (3) is arranged at the inner side of the refrigerator shell (1).

6. The sealed cotton device for an air duct of a household appliance according to claim 1, wherein: the outside of the air duct (2) is fixedly connected with an outer frame (12) through a positioning plate (14) and a fixing bolt (9), and the right end face of the outer frame (12) is clung to the sealing cotton (10).

7. The sealed cotton device for air duct of household appliance according to claim 6, wherein: the number of the positioning plates (14) is four, limiting holes (13) are formed in the inner sides of the positioning plates (14), threaded holes (11) are formed in the left end of the air duct (2), and the threaded holes (11) correspond to the limiting holes (13) one by one.