CN218955274U

CN218955274U - Cold air duct assembly of refrigerator

Info

Publication number: CN218955274U
Application number: CN202223288790.7U
Authority: CN
Inventors: 李勇海
Original assignee: Qingdao Taihe Ruihe Plastic Co ltd
Current assignee: Qingdao Taihe Ruihe Plastic Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-02
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of air-cooled refrigerators, in particular to a cold air duct assembly of a refrigerator, which comprises a first air duct plate and a second air duct plate which are connected through a connecting frame, wherein an air inlet hole is formed in the middle of the first air duct plate; a plurality of air outlet holes are regularly formed in the second air duct plate; the side surface of the connecting frame, which is close to the first air duct plate, is regularly fixed with a plurality of second clamping blocks, the side surface of the first air duct plate, which is close to the connecting frame, is provided with a plurality of holding grooves which are in one-to-one correspondence with the second clamping blocks, two first clamping blocks which are vertically symmetrical are connected in the holding grooves in a sliding way, and the two first clamping blocks in the same holding groove are matched with the second clamping blocks in corresponding positions in a clamping way. According to the utility model, the first clamping block and the second clamping block are matched in a clamping way, so that the first air duct plate and the second air duct plate are fixed, the fixing is stable, the operation is simple, and the time required by assembly can be greatly reduced.

Description

Cold air duct assembly of refrigerator

Technical Field

The utility model relates to the technical field of air-cooled refrigerators, in particular to a cold air duct assembly of a refrigerator.

Background

The air-cooled refrigerator utilizes air to refrigerate, and cold air at the evaporator is blown into the refrigerator from the air duct, so that the refrigerating speed is high, and the periodic automatic defrosting can be realized, thus the air-cooled refrigerator is more and more popular with people.

The utility model patent with publication number of CN217560165U discloses an air-cooled refrigerator and an air duct structure thereof, comprising a front cover plate, a rear cover plate and a fan assembly positioned between the front cover plate and the rear cover plate; the fan assembly comprises a fan and a fan seat, and the fan is arranged on the fan seat; the front cover plate is provided with a plurality of front cover screw columns with blind holes, and the rear cover plate is provided with rear cover screw columns with through holes, the number of which is equal to that of the front cover screw columns and which are in one-to-one correspondence with that of the front cover screw columns; the fan seat is connected with the front cover screw column, the front cover screw column is inserted into the rear cover screw column, and the fan seat is clamped between the front cover screw column and the rear cover screw column; the back cover plate is connected with the front cover plate through the cooperation of the front cover screw column and the back cover screw column.

The utility model can ensure that the distance between the fan and the rear cover plate is kept unchanged and the effect of improving the structural stability of the air duct is improved, but the utility model connects the rear cover plate and the front cover plate through the cooperation of a plurality of front cover screw columns and rear cover screw columns, and a plurality of screws are required to be screwed in during assembly, so that the operation is troublesome and more time is required.

Disclosure of Invention

The utility model aims to provide a refrigerator cold air duct assembly, which solves the problem that more screws are needed to be screwed in during assembly in the prior art, so that more time is needed to be consumed.

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

a cold air duct assembly of a refrigerator comprises a first air duct plate and a second air duct plate which are connected through a connecting frame, wherein an air inlet hole is formed in the middle of the first air duct plate; a plurality of air outlet holes are regularly formed in the second air duct plate; the connecting frame is close to a plurality of second fixture blocks are regularly fixed on the side face of the first air duct plate, the first air duct plate is close to a plurality of holding grooves corresponding to the second fixture blocks one by one are formed in the side face of the connecting frame, two first fixture blocks which are vertically symmetrical are connected in a sliding mode in the holding grooves, and the two first fixture blocks in the same holding grooves are matched with the second fixture blocks in corresponding positions in a clamping mode.

Preferably, an installation cylinder is installed in the air inlet hole, and a fan is fixed in the installation cylinder.

Preferably, the first clamping block is L-shaped, and a side surface of the first clamping block, which is close to the connecting frame, is a first inclined surface.

Preferably, the second clamping block is in a T shape, the side surface of the second clamping block, which is close to the first air duct plate, is provided with two second inclined surfaces which are vertically symmetrical, and the first inclined surfaces and the second inclined surfaces at corresponding positions are parallel to each other.

Preferably, the accommodating groove is in a convex shape facing the connecting frame, and the size of the notch of the accommodating groove facing the second clamping block is larger than or equal to that of the second clamping block.

Preferably, two planes, which are opposite to the first clamping blocks, of the corresponding positions are regularly fixed with a plurality of vertical springs, and the other ends of the springs are fixed on the inner wall of the accommodating groove.

Preferably, the first clamping block is fixedly provided with a sleeve sleeved outside the spring, the length of the sleeve is larger than that of the spring in a normal state, and the first air duct plate is internally provided with a plurality of annular sliding grooves which are in one-to-one correspondence with the sleeve on the upper inner wall and the lower inner wall of the accommodating groove.

Preferably, one end, away from the connecting frame, of the two first clamping blocks in the same accommodating groove is closely attached with the same triangular block, and a sliding rod extending out of the first air duct plate is fixed at the side surface center of the triangular block away from the connecting frame.

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

according to the utility model, the first clamping blocks, the springs and the second clamping blocks are arranged, the first air duct plate is pressed, the second clamping blocks on the connecting frame squeeze the two first clamping blocks to enable the two first clamping blocks to be far away from each other, then when the second clamping blocks move into the two first clamping blocks, the springs drive the two first clamping blocks to be close to each other and clamp the second clamping blocks, and the fixing between the first air duct plate and the second air duct plate is completed, so that the fixing is stable, the operation is simple, and the assembly time is shortened.

Drawings

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

FIG. 2 is an exploded view of the utility model;

FIG. 3 is a cross-sectional view of a first duct board of the utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a schematic structural diagram of the first latch and the second latch according to the present utility model.

In the figure:

1. a first air duct plate; 10. a receiving groove; 11. a first clamping block; 12. a first inclined surface; 13. a spring; 14. a sleeve; 15. an air inlet hole; 16. triangular blocks; 17. a slide bar;

2. a second air duct plate; 20. an air outlet hole; 21. a connection frame; 22. a second clamping block; 23. a second inclined surface;

3. a mounting cylinder; 30. a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the utility model thus described is only a part, but not all, of the utility models described. All other utility models obtained by those skilled in the art without making any creative effort based on the utility models in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

a refrigerator cold air duct assembly comprises a first air duct plate 1 and a second air duct plate 2 which are connected through a connecting frame 21, wherein an air inlet hole 15 is formed in the middle of the first air duct plate 1; a plurality of air outlet holes 20 are regularly formed in the second air duct plate 2; a plurality of second clamping blocks 22 are regularly fixed on the side surface of the connecting frame 21, which is close to the first air duct plate 1, a plurality of containing grooves 10 which are in one-to-one correspondence with the second clamping blocks 22 are formed on the side surface of the first air duct plate 1, two first clamping blocks 11 which are vertically symmetrical are connected in a sliding manner in the containing grooves 10, and the two first clamping blocks 11 in the same containing groove 10 are in clamping fit with the second clamping blocks 22 in corresponding positions; by pushing the second clamping block 22 to move between the two first clamping blocks 11, the two first clamping blocks 11 clamp the second clamping block 22, the fixation between the first air duct plate 1 and the second air duct plate 2 is completed, the operation is convenient, and the assembly time is saved.

In this embodiment, the air inlet 15 is internally provided with a mounting cylinder 3, and a fan 30 is fixed in the mounting cylinder 3, and the fan 30 is used for blowing cool air to the air outlet 20.

Further, the first clamping block 11 is L-shaped, the side surface of the first clamping block 11 close to the connecting frame 21 is a first inclined surface 12, and the two sliding first clamping blocks 11 can clamp the second clamping block 22 in the middle.

Specifically, the second clamping block 22 is T-shaped, the side surface of the second clamping block 22, which is close to the first air duct board 1, is two second inclined surfaces 23 which are vertically symmetrical, the first inclined surfaces 12 and the second inclined surfaces 23 at corresponding positions are parallel to each other, when the second clamping block 22 contacts the two first clamping blocks 11, the first inclined surfaces 12 and the second inclined surfaces 23 at corresponding positions are attached, then the second clamping block 22 continues to move, and the two first clamping blocks 11 are easier to push away from each other.

Specifically, the accommodating groove 10 is in a convex shape facing the connecting frame 21, the size of the notch of the accommodating groove 10 facing the second clamping block 22 is larger than or equal to that of the second clamping block 22, and the sizes are preferably equal, so that the escape of cold air from the gap in the accommodating groove 10 is reduced.

In addition, a plurality of vertical springs 13 are regularly fixed on two planes, which are opposite to each other, of the two first clamping blocks 11 at corresponding positions, the other ends of the springs 13 are fixed on the inner wall of the accommodating groove 10, and the springs 13 push the two first clamping blocks 11 to move towards the middle and clamp the second clamping blocks 22.

It is worth noting that the first clamping block 11 is fixedly provided with a sleeve 14 sleeved outside the spring 13, the length of the sleeve 14 is longer than that of the spring 13 in a normal state, the first air duct plate 1 is provided with a plurality of annular sliding grooves corresponding to the sleeve 14 one by one on the upper inner wall and the lower inner wall of the accommodating groove 10, the spring 13 is prevented from being bent in the moving process, and meanwhile, the first clamping block 11 moves more smoothly.

It should be noted that, one end of each of the two first clamping blocks 11 in the same accommodating groove 10 far away from the connecting frame 21 is tightly attached with the same triangular block 16, a slide bar 17 extending to the outside of the first air duct board 1 is fixed at the middle of the side surface of each triangular block 16 far away from the connecting frame 21, when the first air duct board 1 and the second air duct board 2 need to be separated, the first air duct board 1 is fixed, each slide bar 17 is pressed, the triangular block 16 is pushed to move towards the direction of the first clamping block 11, the first clamping blocks 11 are far away from each other, and then the first air duct board 1 and the second air duct board 2 can be separated.

Finally, it should be noted that the fan 30 according to the present utility model is a general standard component or a component known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimental methods.

When the refrigerator cold air duct assembly is used, the second air duct plate 2 is pressed, the second clamping block 22 moves towards the two first clamping blocks 11 at corresponding positions, the two second inclined planes 23 on the second clamping block 22 are respectively attached to the first inclined planes 12 of the two first clamping blocks 11, the second clamping block 22 continues to move, the two first clamping blocks 11 are pushed away from each other and press the spring 13, and when the second clamping block 22 moves between the corners of the two first clamping blocks 11, the spring 13 enables the two first clamping blocks 11 to move towards the middle and clamp the second clamping blocks 22, so that the fixation between the first air duct plate 1 and the second air duct plate 2 is completed; in addition, the sleeve 14 can ensure that the first clamping block 11 moves smoothly, and meanwhile, the spring 13 cannot bend when the first clamping block 11 moves;

starting the fan 30, blowing cold air at the refrigerator evaporator to the second air duct plate 2 by the fan 30, and blowing the cold air into the refrigerator from the air outlet hole 20;

when maintenance is needed, the first air duct plate 1 is fixed, the sliding rod 17 is pressed, the triangular block 16 moves towards the direction of the first clamping blocks 11, the two first clamping blocks 11 are pushed and are far away from each other, and then the second clamping block 22 can be pulled out from between the two first clamping blocks 11, so that the separation of the first air duct plate 1 and the second air duct plate 2 is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the utility model is not limited by what has been described hereinabove, and that the utility model and what has been described in the specification is merely illustrative of the preferred embodiments of the utility model and that the utility model is not limited thereto, but is capable of modification and variation without departing from the spirit and scope of the utility model, which is to be regarded as modified and improved. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a refrigerator cold wind channel subassembly, includes first wind channel board (1) and second wind channel board (2) that connect through connecting frame (21), its characterized in that: an air inlet hole (15) is formed in the middle of the first air duct plate (1); a plurality of air outlet holes (20) are regularly formed in the second air duct plate (2); the connecting frame (21) is close to a plurality of second clamping blocks (22) are regularly fixed on the side face of the first air duct plate (1), the first air duct plate (1) is close to the side face of the connecting frame (21) and is provided with a plurality of holding grooves (10) which are in one-to-one correspondence with the second clamping blocks (22), two first clamping blocks (11) which are vertically symmetrical are connected in the holding grooves (10) in a sliding mode, and the two first clamping blocks (11) in the holding grooves (10) are matched with the second clamping blocks (22) in the corresponding positions in a clamping mode.

2. The refrigerator duct assembly of claim 1, wherein: the air inlet hole (15) is internally provided with an installation cylinder (3), and a fan (30) is fixed in the installation cylinder (3).

3. The refrigerator duct assembly of claim 1, wherein: the first clamping block (11) is L-shaped, and the side surface of the first clamping block (11) close to the connecting frame (21) is a first inclined surface (12).

4. A refrigerator cold air duct assembly according to claim 3, wherein: the second clamping block (22) is in a T shape, two second inclined planes (23) which are vertically symmetrical are arranged on the side surface, close to the first air duct plate (1), of the second clamping block (22), and the first inclined planes (12) and the second inclined planes (23) at corresponding positions are parallel to each other.

5. The refrigerator cold air duct assembly of claim 4, wherein: the accommodating groove (10) is in a convex shape facing the connecting frame (21), and the size of a notch of the accommodating groove (10) facing the second clamping block (22) is larger than or equal to that of the second clamping block (22).

6. A refrigerator cold air duct assembly according to claim 3, wherein: two planes, which are opposite to each other, of the two first clamping blocks (11) at corresponding positions are regularly fixed with a plurality of vertical springs (13), and the other ends of the springs (13) are fixed on the inner wall of the accommodating groove (10).

7. The refrigerator duct assembly of claim 6, wherein: the novel air duct type air conditioner is characterized in that a sleeve (14) sleeved outside the spring (13) is fixed on the first clamping block (11), the length of the sleeve (14) is larger than that of the spring (13) in a normal state, and a plurality of annular sliding grooves in one-to-one correspondence with the sleeve (14) are formed in the upper inner wall and the lower inner wall of the accommodating groove (10) in the first air duct plate (1).

8. The refrigerator duct assembly of claim 1, wherein: the two first clamping blocks (11) in the same accommodating groove (10) are far away from one end of the connecting frame (21) and are closely attached with the same triangular block (16), and a sliding rod (17) extending out of the first air duct plate (1) is fixed at the center of the side surface of the triangular block (16) far away from the connecting frame (21).