CN213480712U - Refrigerator air duct sealing structure - Google Patents

Abstract

The utility model discloses a refrigerator wind channel seal structure, including cold-stored wind channel subassembly, the through-hole is seted up at the one end terminal surface center of cold-stored wind channel subassembly, and one side of cold-stored wind channel subassembly sets up air inlet wind channel subassembly, and air inlet wind channel subassembly is close to the tip fixed mounting sealing washer of cold-stored wind channel subassembly, and air inlet wind channel subassembly includes pipeline, mounting panel, air intake, top portion of holding and the portion of inserting, and the rear end of pipeline is fixed to be set up the mounting panel. This refrigerator wind channel seal structure, it inserts inside cold-stored wind channel subassembly to insert to close the portion, and laminate with the inner wall of cold-stored wind channel subassembly, the sealing washer is outside the fixed port of inserting the portion that closes, improve the sealed tightness between air inlet wind channel subassembly and the cold-stored wind channel subassembly, it is tight to have solved the forced air cooling refrigerator because the wind channel is sealed, cause the phenomenon of freezing, thereby influence the problem of room temperature and refrigeration effect, it is all fixed through stop device to connect between ring and first semicircle circle and the lower semicircle circle, the limit position, avoid the connection dislocation of sealed circle, lead to sealed effect poor.

Description

Refrigerator air duct sealing structure

Technical Field

The utility model relates to a seal structure technical field specifically is a refrigerator wind channel seal structure.

Background

The refrigerator is a refrigeration device keeping constant low temperature, is a common electric appliance for preserving food or other articles at low temperature in life, and is widely applied to the fields of life and industry. The air duct structure of the traditional air-cooled refrigerator generally adopts two forms, one is that a single-fan air duct structure is adopted to supply air to a plurality of compartments for refrigeration, the air duct structure has larger air supply stroke, low air supply efficiency of the air duct and low heat exchange efficiency of the compartments; the other type is that every compartment at the refrigerator designs a set of independent wind channel structure, and this kind of structure is better in air supply efficiency, but the whole machine cost increases greatly, and is serious to cost control influence, and the wind channel subassembly can be with other structural connection in transportation process, because the air-cooled effect, causes easily freezing, damages the wind channel and influences the refrigeration effect of refrigerator, adopts the wind channel structure to carry out cold air conveying usually among the current refrigerator, and current wind channel leakproofness is not good, and the wind channel frosts easily, freezes. The air inlet component and the air outlet component of the air duct of the existing air-cooled refrigerator are sealed by adopting the pressing and assembling of the attached sponge, the laminating is not good easily due to foaming or manual assembling and other reasons in the assembling process, the sponge cannot be pressed and the like, and finally the refrigerator is leaked to be cooled, so that the freezing phenomenon is generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator wind channel seal structure, it inserts inside cold-stored wind channel subassembly to have the portion of inserting to close, and laminate with the inner wall of cold-stored wind channel subassembly, the sealing washer is outside the fixed port of inserting the portion of closing, prevent the air leakage, improve the sealed tightness between air inlet wind channel subassembly and the cold-stored wind channel subassembly, the phenomenon of freezing has been solved because the wind channel is sealed not tight, thereby influence the problem of room temperature and refrigeration effect, it is fixed all through stop device to connect ring and first semicircle circle and lower semicircle, the fixed position, avoid the connection dislocation of sealed circle, lead to the poor advantage of sealed effect, the problem among the prior art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a refrigerator air duct sealing structure comprises a refrigeration air duct assembly, wherein a through hole is formed in the center of the end face of one end of the refrigeration air duct assembly, an air inlet air duct assembly is arranged on one side of the refrigeration air duct assembly, and a sealing ring is fixedly installed at the end part, close to the refrigeration air duct assembly, of the air inlet air duct assembly;

the air inlet and air channel assembly comprises a pipeline, a support plate, an air inlet, a jacking part and an inserting part, the support plate is fixedly arranged at the rear end of the pipeline, the air inlet is formed in the support plate, the air inlet penetrates through the support plate and the pipeline, the jacking part is arranged at the front end of the pipeline, and the inserting part is vertically connected to the jacking part;

the sealing ring comprises a sealing ring, a connecting ring, a limiting device, an upper semicircular ring, a lower semicircular ring, a middle groove, an arc-shaped rod, a sliding groove, a limiting block and a second spring, the connecting ring is sleeved in the sealing ring, the connecting ring is connected with the sealing ring through clamping, the upper part of the connecting ring is provided with the upper semicircular ring, the lower part of the connecting ring is provided with the lower semicircular ring, the upper semicircular ring and the lower semicircular ring are oppositely arranged, the connecting parts are respectively provided with the middle groove, the connecting ring is fixed with the upper semicircular ring and the lower semicircular ring through the limiting device, the limiting device comprises a guide rod A, a guide rod B, a fixing block, a first spring and a limiting plate, the two ends of the guide rod A and the guide rod B are respectively provided with the fixing blocks, the fixing blocks with the upper end and the lower end parallel to each other are connected through the first spring, one side of the first spring, the upper end and the lower end of the arc-shaped rod are movably connected with a sliding groove, a limiting block is arranged in the sliding groove, and the whole body of the arc-shaped rod is wound and connected with a second spring.

Preferably, the end of the insertion part is fixedly provided with a sealing ring, and the diameter of the inner ring of the sealing ring is the same as that of the outer ring of the end of the insertion part.

Preferably, the diameter of the outer ring of the connecting circular ring is consistent with the diameter of the inner ring of the sealing ring.

Preferably, the limiting plates are provided with two, one end of each limiting plate is connected with the outer side wall of the upper half circle or the lower half circle, and the other end of each limiting plate is connected with the connecting ring.

Preferably, the upper end face of the upper half circle and the lower end face of the lower half circle are arranged in parallel.

Preferably, a gap of 1-3mm is left between the guide rod A and the guide rod B.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this refrigerator wind channel seal structure, it inserts inside cold-stored wind channel subassembly to insert to close the portion, and laminate with the inner wall of cold-stored wind channel subassembly, the sealing washer is the port of externally fixed inserting the portion of closing, prevent the air leakage, improve the sealed tightness between air inlet wind channel subassembly and the cold-stored wind channel subassembly, it is tight owing to the wind channel is sealed to have solved the forced air cooling refrigerator, the phenomenon that causes to freeze, thereby influence the problem of room temperature and refrigeration effect, it is fixed all through stop device between connection ring and first semicircle circle and the lower semicircle, the position is limited, avoid the connection dislocation of sealed circle, lead to sealed effect poor.

Drawings

FIG. 1 is a structural connection diagram of the present invention;

FIG. 2 is a connection diagram of the air inlet duct assembly and the sealing ring of the present invention;

fig. 3 is a schematic structural view of the sealing ring of the present invention;

fig. 4 is a cross-sectional plan view of the sealing ring of the present invention;

FIG. 5 is an enlarged view of the utility model at A-A;

fig. 6 is an enlarged view of the point B-B of the present invention.

In the figure: 1. a refrigerated air duct assembly; 2. an air inlet duct assembly; 21. a pipeline; 22. a mounting plate; 23. an air inlet; 24. a holding portion; 25. an insertion part; 3. a seal ring; 301. a seal ring; 302. connecting the circular rings; 303. a limiting device; 3031. a guide rod A; 3032. a guide rod B; 3033. a fixed block; 3034. a first spring; 3035. a limiting plate; 304. the upper half circle; 305. a lower half circle; 306. a middle groove; 307. an arcuate bar; 308. a sliding groove; 309. a limiting block; 310. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a refrigerator air duct sealing structure includes a refrigerating air duct assembly 1, a through hole is formed in the center of one end face of the refrigerating air duct assembly 1 and used for being connected with an inserting portion 25 of an air inlet duct assembly 2, the air inlet duct assembly 2 is arranged on one side of the refrigerating air duct assembly 1, and a sealing ring 3 is fixedly mounted on the end portion, close to the refrigerating air duct assembly 1, of the air inlet duct assembly 2, so that the effect of improving tight sealing performance is achieved.

Referring to fig. 2, the air intake duct assembly 2 includes a duct 21, a support plate 22, an air inlet 23, a supporting portion 24 and an inserting portion 25, the support plate 22 is fixed to a rear end of the duct 21, the air inlet 23 is formed in the support plate 22, the air inlet 23 penetrates through the support plate 22 and the duct 21, the supporting portion 24 is formed at a front end of the duct 21, the inserting portion 25 is vertically connected to the supporting portion 24, a sealing ring 3 is fixedly disposed at an end of the inserting portion 25, an inner ring diameter of the sealing ring 3 is the same as an outer ring diameter of the end of the inserting portion 25, the inserting portion 25 is inserted into the refrigerating duct assembly 1, and with the laminating of the inner wall of cold-stored wind channel subassembly 1, sealing washer 3 prevents the air leakage at the outside fixed port that closes portion 25 that inserts, improves the sealed tightness between air inlet wind channel subassembly 2 and the cold-stored wind channel subassembly 1, has solved the air-cooled refrigerator because the wind channel is sealed not tight, causes the phenomenon of freezing to influence the problem of room temperature and refrigeration effect.

Referring to fig. 3-6, the sealing ring 3 includes a sealing ring 301, a connecting ring 302, a limiting device 303, an upper semi-circle 304, a lower semi-circle 305, a middle groove 306, an arc rod 307, a sliding groove 308, a limiting block 309 and a second spring 310, the sealing ring 301 is internally sleeved with the connecting ring 302, the outer ring diameter of the connecting ring 302 is consistent with the inner ring diameter of the sealing ring 301, the connecting ring 302 and the sealing ring 301 are connected by clamping, the sealing effect is better by seamless connection, the upper part of the connecting ring 302 is provided with the upper semi-circle 304, the lower part of the connecting ring 302 is provided with the lower semi-circle 305, the upper semi-circle 304 and the lower semi-circle 305 are oppositely arranged, the upper end surface of the upper semi-circle 304 is parallel to the lower end surface of the lower semi-circle 305, the middle groove 306 is arranged at the connection, the upper semi-circle 304 and the lower semi-circle 305 are connected by the middle groove 306, the connecting ring 302 and the upper semi-circle 304 and the lower semi-circle 305 are fixed by, the position is limited, the problem of poor sealing effect caused by connection dislocation of the sealing ring is avoided, the limiting device 303 comprises a guide rod A3031, a guide rod B3032, a fixing block 3033, a first spring 3034 and a limiting plate 3035, a gap of 1-3mm is reserved between the guide rod A3031 and the guide rod B3032, the guide rod A3031 and the guide rod B3032 can fix the position of the first spring 3034, the first spring 3034 can move in the gap by extrusion, the first spring 3034 is prevented from deforming and twisting, the function of fast recovering the original state is achieved, the fixing blocks 3033 are arranged at two ends of the guide rod A3031 and the guide rod B3032, the fixing blocks 3033 with the upper end and the lower end parallel to each other, the limiting plates 3035 are arranged on one side of the first spring 3034 far away from the fixing blocks 3033, the two limiting plates 3035 are arranged, one end of each limiting plate 3035 is connected with the outer side wall of the upper half circle 304 or the lower half circle 305, the other end of the limiting plate 3035 is connected, the position of the limiting device 303 total device can be limited by the limiting plate 3035, the connection disorder is prevented, the sealing performance is influenced, the arc-shaped rod 307 is arranged on the middle groove 306, the upper end and the lower end of the arc-shaped rod 307 are movably connected with the sliding groove 308, the limiting block 309 is arranged in the sliding groove 308, the arc-shaped rod 307 moves in the sliding groove 308, the limiting block 309 limits the sliding position, the accurate positioning is realized, the sealing effect is improved, the second spring 310 is wound around the whole body of the arc-shaped rod 307, the deformation is avoided in the extrusion process, and the recovery capability is strong.

To sum up, this refrigerator wind channel seal structure, it is inside that portion 25 inserts cold-stored wind channel subassembly 1 to insert, and laminate with the inner wall of cold-stored wind channel subassembly 1, sealing washer 3 externally fixes the port of portion 25 of inserting, prevent the air leakage, improve the sealed tightness between air inlet wind channel subassembly 2 and the cold-stored wind channel subassembly 1, the phenomenon of freezing has been solved because the wind channel is sealed not tight, thereby influence the problem of room temperature and refrigeration effect, it is fixed through stop device 303 all to connect between ring 302 and last semi-circle 304 and the lower semi-circle 305, the limit position, avoid the connection dislocation of sealed circle, lead to sealed effect poor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a refrigerator wind channel seal structure, includes cold-stored wind channel subassembly (1), its characterized in that: a through hole is formed in the center of the end face of one end of the refrigerating air channel assembly (1), an air inlet channel assembly (2) is arranged on one side of the refrigerating air channel assembly (1), and a sealing ring (3) is fixedly installed at the end part, close to the refrigerating air channel assembly (1), of the air inlet channel assembly (2);

the air inlet and air channel assembly (2) comprises a pipeline (21), a support plate (22), an air inlet (23), a jacking portion (24) and an inserting portion (25), the support plate (22) is fixedly arranged at the rear end of the pipeline (21), the air inlet (23) is formed in the support plate (22), the air inlet (23) penetrates through the support plate (22) and the pipeline (21), the jacking portion (24) is arranged at the front end of the pipeline (21), and the inserting portion (25) is vertically connected to the jacking portion (24);

sealing washer (3) are including sealing ring (301), connect ring (302), stop device (303), last semicircle (304), lower semicircle (305), middle recess (306), arc pole (307), sliding tray (308), stopper (309) and second spring (310), sealing ring (301) endotheca is established and is connected ring (302), it is connected through the card between sealing ring (302) and sealing ring (301) to connect, the upper portion in connecting ring (302) sets up first semicircle (304), the lower part in connecting ring (302) sets up lower semicircle (305), last semicircle (304) and lower semicircle (305) set up relatively, and the junction all is equipped with middle recess (306), it all fixes through stop device (303) to connect between ring (302) and last semicircle (304) and lower semicircle (305), stop device (303) include guide bar A (3031), Guide bar B (3032), fixed block (3033), first spring (3034) and limiting plate (3035), fixed block (3033) all are set up at the both ends of guide bar A (3031) and guide bar B (3032), go up between the parallel fixed block of lower extreme (3033) and connect through first spring (3034), one side that fixed block (3033) were kept away from in first spring (3034) sets up limiting plate (3035), be equipped with arc pole (307) on middle recess (306), the equal swing joint sliding tray (308) of upper and lower tip of arc pole (307), set up stopper (309) in sliding tray (308), second spring (310) is connected in the whole body winding of arc pole (307).

2. The refrigerator air duct sealing structure according to claim 1, wherein: the end of the inserting part (25) is fixedly provided with a sealing ring (3), and the diameter of the inner ring of the sealing ring (3) is the same as that of the outer ring of the end of the inserting part (25).

3. The refrigerator air duct sealing structure according to claim 1, wherein: the diameter of the outer ring of the connecting circular ring (302) is consistent with the diameter of the inner ring of the sealing ring (301).

4. The refrigerator air duct sealing structure according to claim 1, wherein: the number of the limiting plates (3035) is two, one end of each limiting plate (3035) is connected with the outer side wall of the upper half circle (304) or the lower half circle (305), and the other end of each limiting plate (3035) is connected with the connecting ring (302).

5. The refrigerator air duct sealing structure according to claim 1, wherein: the upper end face of the upper half circle (304) and the lower end face of the lower half circle (305) are arranged in parallel.

6. The refrigerator air duct sealing structure according to claim 1, wherein: a gap of 1-3mm is reserved between the guide rod A (3031) and the guide rod B (3032).

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