CN217483056U

CN217483056U - A kind of refrigerator

Info

Publication number: CN217483056U
Application number: CN202221587828.8U
Authority: CN
Inventors: 晏康福; 符栋华; 职东宁
Original assignee: Hisense Ronshen Guangdong Refrigerator Co Ltd
Current assignee: Hisense Ronshen Guangdong Refrigerator Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-23
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to the technical field of household appliances, the utility model discloses a refrigerator, it includes the box, the wind channel board, apron and buckle spare, the wind channel board has a plurality of ventilation hole and a plurality of mounting groove, ventilation hole and mounting groove all run through the first lateral part and the second lateral part of wind channel board, the second lateral part of wind channel board is located to the apron lid, and the apron is connected with the inner wall of room between, it is protruding that the apron has the locator card that equals and the one-to-one with mounting groove quantity, the locator card is protruding to stretch into in the mounting groove from the first lateral part of wind channel board, buckle spare stretches into in the mounting groove from the second lateral part of wind channel board, and with the protruding looks joint of locator card, and buckle spare covers the notch of mounting groove. Based on above-mentioned structure, through setting up the mounting groove and adopting the protruding and buckle spare joint's of locator card mode, replaced pasting fixed mounting means with the double faced adhesive tape, the installation of apron and wind channel board is comparatively firm, is difficult for breaking away from, reduces to produce the possibility of revealing cold volume to reduce the indoor temperature deviation between the refrigerator.

Description

A kind of refrigerator

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a refrigerator.

Background

As a household appliance, a refrigerator is mainly used for storing food or other articles for a long time, and with continuous progress of science and technology and continuous improvement of living standard of people, people put higher demands on the reliability of the refrigerator.

The air duct of the existing refrigerator adopts a scheme that a double-sided adhesive tape is pasted on the installation contact surface of an air duct plate and a cover plate and used for pasting and fixing the air duct plate and the cover plate. However, the air duct plate double faced adhesive tape pasting process is completely operated by workers, the double faced adhesive tape pasting position and the length cannot be controlled, fine foam dust on the air duct plate and the cover plate assembling surface influences the double faced adhesive tape bonding effect, and the double faced adhesive tape can be poor in bonding effect along with the time lapse. Therefore, after the air duct component is cooled or stressed, the cover plate and the air duct plate installation adhesive surface are prone to separation, cold leakage is caused, cold air can be blown into a gap between the cover plate at the air outlet position and the air stealing plate, partial cold air can be blown to the position of the temperature sensor, the temperature of the position of the temperature sensor is lower than the actual temperature in the refrigerator, and the indoor temperature of the refrigerator compartment is caused to have deviation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a firm reliable and convenient and fast's refrigerator of installation.

In order to achieve the above object, the present invention provides a refrigerator, which includes:

the box body defines a chamber, and the inner wall of the chamber defines an installation position;

the air duct plate is arranged in the installation position and provided with a first side part and a second side part which are oppositely arranged, the first side part of the air duct plate faces the inner wall of the compartment, the first side part of the air duct plate defines an air outlet duct, the air duct plate is provided with a plurality of ventilation holes and a plurality of installation grooves, the ventilation holes are located in the range of the air duct, and the ventilation holes and the installation grooves penetrate through the first side part and the second side part of the air duct plate;

the cover plate is covered on the second side part of the air duct plate and connected with the inner wall of the compartment, the cover plate is provided with air outlets which are equal in number and correspond to the air vents in a one-to-one mode, the cover plate is provided with positioning clamping bulges which are equal in number and correspond to the mounting grooves in a one-to-one mode, and the positioning clamping bulges extend into the mounting grooves from the first side part of the air duct plate;

the buckle piece extends into from the second side part of the air duct plate in the mounting groove and is clamped with the positioning clamp in a convex mode, and the buckle piece covers the notch of the mounting groove.

In some embodiments of the present application, a mounting gap is formed between the positioning clip projection and an inner wall of the mounting groove, the positioning clip projection includes a pillar portion having a first end portion and a second end portion opposite to each other, the first end portion of the pillar portion is connected to the cover plate, the boss portion has a first surface and a second surface opposite to each other, the second end portion of the pillar portion is connected to the second surface of the boss portion, and the second surface of the boss portion is a clamping surface;

the clamping piece can reach a first state and a second state, when the clamping piece is in the first state, the clamping piece is inserted into the mounting gap and abutted against the clamping surface, and when the clamping piece is in the second state, the clamping piece is separated from the boss part.

In some embodiments of this application, buckle spare includes cardboard portion and connecting portion, cardboard portion has relative first surface and the second surface that sets up, the second surface of cardboard portion with the notch edge butt of mounting groove, so that cardboard portion covers the notch of mounting groove, connecting portion set up in the second of cardboard portion is on the surface, connecting portion have the elasticity card protruding, the protruding joint of elasticity card in on the joint face, so that the location card protruding with buckle spare looks joint.

In some embodiments of this application, connecting portion are the tube-shape, connecting portion have the orientation and deviate from the nozzle of cardboard portion direction, the elasticity card is protruding to be located in the nozzle, just the protruding protrusion of elasticity card in the inner wall setting of connecting portion works as buckle spare is in during the first state, boss portion stretches into in the nozzle, and with the protruding looks joint of elasticity card.

In some embodiments of the present application, the elastic snap projection has an abutment slope inclined toward the barrel opening, the abutment slope being for abutment with the boss portion.

In some embodiments of this application, the column portion has two at least protruding muscle of location, the protruding muscle of location is followed the circumference of column portion distributes in on the periphery wall of column portion, the protruding muscle of location stretches into in the barrel, the protruding muscle of location be used for with the inner wall looks butt of connecting portion.

In some embodiments of the present application, the chucking plate portion has a first connection hole penetrating through a first surface and a second surface of the chucking plate portion, the boss portion has a second connection hole extending to the column portion along an extending direction of the column portion, the refrigerator further includes a fastener passing through the first connection hole and penetrating into the second connection hole.

In some embodiments of the present application, a clamping position is formed between the elastic clamping protrusion and the second surface of the clamping plate portion, when the clamping member is in the first state, the boss portion is clamped in the clamping position, and the first surface of the boss portion is abutted to the second surface of the clamping plate portion.

In some embodiments of the present application, the air duct plate has a groove portion, the mounting groove is opened on a groove bottom surface of the groove portion, the second surface of the clip portion has an elastic abutting portion, when the clip is in the first state, the clip portion is located in the groove portion, the elastic abutting portion abuts against the groove bottom surface of the groove portion, so that the clip portion and the groove bottom surface of the groove portion are in interference fit.

In some embodiments of the present application, the cover plate has a plurality of hooks, the peripheral edge of the air duct plate has positioning notches corresponding to the hooks one by one in number, and when the hooks are located in the positioning notches, the positioning protrusions extend into the mounting groove;

the inner wall of the chamber is provided with clamping grooves which are equal in number and correspond to the clamping hooks one to one, and the clamping hooks are clamped into the clamping grooves, so that the cover plate is connected with the inner wall of the chamber.

The utility model provides a refrigerator, compared with the prior art, its beneficial effect lies in:

the utility model provides a refrigerator which comprises a refrigerator body, an air duct plate, a cover plate and a clamping piece, wherein the refrigerator body defines a compartment, an installation position is defined by the inner wall of the compartment, the air duct plate is arranged in the installation position and is provided with a first side part and a second side part which are oppositely arranged, the first side part of the air duct plate faces the inner wall of the compartment, an air outlet is defined by the first side part of the air duct plate, the air duct plate is provided with a plurality of air vents and a plurality of installation grooves, the air vents are positioned in the range of the air duct, the air vents and the installation grooves both penetrate through the first side part and the second side part of the air duct plate, the cover plate is covered on the second side part of the air duct plate, the cover plate is connected with the inner wall of the compartment, the cover plate is provided with air outlets which are equal to the number of the air vents and are in one-to-one correspondence, the cover plate is provided with positioning clamping pieces which are equal to the number of the installation grooves and are in one-to one correspondence, the positioning pieces are extended into the installation grooves from the first side part of the air duct plate, and is clamped with the positioning clamp in a convex manner, and the clamping piece covers the notch of the mounting groove. Based on the structure, the installation mode of sticking and fixing by double-sided adhesive is replaced by the mode of arranging the installation groove and clamping the positioning clamping lug and the clamping piece, the installation of the cover plate and the air duct plate is firmer and not easy to separate, and the possibility of generating cold leakage is reduced, so that the temperature deviation in the refrigerator compartment is reduced; secondly, the buckle spare covers the notch of mounting groove for the possibility that cold volume was revealed further reduces, thereby makes the refrigeration effect of refrigerator better.

Drawings

Fig. 1 is a schematic view of an overall structure of a refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic view of a split structure of the refrigerator according to the embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention;

fig. 4 is a schematic view of a split structure of a refrigerator according to an embodiment of the present invention;

FIG. 5 is a partial view of the area A in FIG. 4;

fig. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

FIG. 7 is a partial view of the area B in FIG. 6;

fig. 8 is a schematic structural view of the fastening member according to the embodiment of the present invention;

fig. 9 is a schematic structural view of a fastening member according to an embodiment of the present invention;

fig. 10 is a schematic partial front view of a refrigerator according to an embodiment of the present invention;

fig. 11 is a schematic partial cross-sectional view taken along a-a in fig. 10.

In the figure: 1. a box body; 11. a compartment; 111. an installation position; 2. an air duct plate; 21. an air duct; 22. a vent hole; 23. mounting grooves; 24. a groove part; 25. positioning the notch; 3. a cover plate; 31. an air outlet; 32. positioning the clamping protrusion; 321. a columnar portion; 321a, positioning convex ribs; 322. a boss portion; 322a, a clamping surface; 323. a second connection hole; 33. a hook; 4. a fastener; 41. a card plate portion; 411. a first connection hole; 412. an elastic abutting portion; 42. a connecting portion; 421. elastic clamping protrusions; 421a, an abutting inclined surface; 422. a cylinder mouth; 43. and (6) clamping the card.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 11, the embodiment of the present invention provides a refrigerator, which includes a box body 1, an air duct plate 2, a cover plate 3 and a fastener 4, the box body 1 defines a compartment 11, an installation position 111 is defined by an inner wall of the compartment 11, the air duct plate 2 is disposed in the installation position 111, the air duct plate 2 has a first side portion and a second side portion which are disposed oppositely, the first side portion of the air duct plate 2 faces the inner wall of the compartment 11, an air duct 21 is defined by the first side portion of the air duct plate 2, it should be understood that the air duct 21 can be defined by the air duct plate 2 alone, and can also be defined by the air duct plate 2 and the inner wall of the compartment 11. Air duct board 2 has a plurality of ventilation hole 22 and a plurality of mounting groove 23, ventilation hole 22 is located the within range of wind channel 21, ventilation hole 22 and mounting groove 23 all run through air duct board 2's first lateral part and second lateral part, 3 second lateral parts of air duct board 2 are located to the apron lid, and apron 3 is connected with the inner wall of room 11 between, apron 3 has the air outlet 31 equal and the one-to-one with ventilation hole 22 quantity, and apron 3 has the protruding 32 of locator card equal and the one-to-one with mounting groove 23 quantity, the protruding 32 of locator card stretches into in the mounting groove 23 from the first lateral part of air duct board 2, buckle 4 is from the second lateral part of air duct board 2 in stretching into mounting groove 23, and stretch out protruding 32 looks joint of locator card, and buckle 4 covers the notch of mounting groove 23.

Based on the structure, the installation mode of adhering and fixing by using double-sided adhesive is replaced by the mode of arranging the installation groove 23 and clamping the positioning clamping protrusion 32 and the clamping piece 4, the cover plate 3 and the air duct plate 2 are firmly installed and are not easy to separate, the possibility of generating cold leakage is reduced, and the temperature deviation in the refrigerator compartment 11 is reduced; secondly, buckle spare 4 covers the notch of mounting groove 23 for the possibility that cold volume was revealed further reduces, thereby makes the refrigeration effect of refrigerator better.

Alternatively, as shown in fig. 4 to 11, in the present embodiment, a mounting gap is formed between the positioning clip 32 and the inner wall of the mounting groove 23, the positioning clip 32 includes a column portion 321 and a boss portion 322, the column portion 321 has a first end and a second end which are oppositely arranged, the first end of the column portion 321 is connected to the cover plate 3, the boss portion 322 has a first surface and a second surface which are oppositely arranged, the second end of the column portion 321 is connected to the second surface of the boss portion 322, and the second surface of the boss portion 322 is a clip surface 322 a; the locking member 4 can reach a first state and a second state, when the locking member 4 is in the first state, the locking member 4 is inserted into the installation gap and abuts against the locking surface 322a, and when the locking member 4 is in the second state, the locking member 4 is separated from the boss portion 322. Thus, the pillar portion 321 functions as a connecting portion between the cover plate 3 and the boss portion 322, and the boss portion 322 is adapted to be engaged with the elastic engaging projection 421.

Alternatively, as shown in fig. 6 to 9, in the present embodiment, the locking member 4 includes a locking plate portion 41 and a connecting portion 42, the locking plate portion 41 has a first surface and a second surface which are oppositely disposed, the second surface of the locking plate portion 41 abuts against the notch edge of the mounting groove 23, so that the locking plate portion 41 covers the notch of the mounting groove 23, the connecting portion 42 is vertically disposed on the second surface of the locking plate portion 41, the connecting portion 42 has an elastic locking projection 421, and the elastic locking projection 421 is locked on the locking surface 322a, so that the positioning locking projection 32 is locked with the locking member 4. Based on this, compare in the edge of wind channel board 2 set up the draw-in groove, set up the form that sets up the buckle on apron 3, the notch edge butt of draw-in plate portion 41 second surface and mounting groove 23, the protruding 421 joint of elasticity card is on joint face 322a, and the area of contact of buckle 4 and apron 3, wind channel board 2 is great, and the buckle is connected more firmly, difficult fracture.

Alternatively, as shown in fig. 8 and 9, in the present embodiment, the connecting portion 42 is cylindrical, the connecting portion 42 has a barrel opening 422 facing away from the clamping plate portion 41, the elastic clamping protrusion 421 is disposed in the barrel opening 422, and the elastic clamping protrusion 421 protrudes from an inner wall of the connecting portion 42, and when the locking member 4 is in the first state, the boss portion 322 extends into the barrel opening 422 and is locked with the elastic clamping protrusion 421. Based on this, the cylindrical connecting portion 42 facilitates the positioning and insertion of the positioning detent protrusion 32, so that the positioning detent protrusion 32 and the fastener 4 can be more easily and conveniently aligned and installed.

Alternatively, as shown in fig. 9 and 11, in the present embodiment, the elastic snap 421 has an abutment inclined surface 421a, the abutment inclined surface 421a is inclined toward the socket 422, and the abutment inclined surface 421a is used for abutment with the boss portion 322. Accordingly, the boss portion 322 moves along the abutment slope 421a when being engaged into the connecting portion 42, so that the engagement between the boss portion 322 and the elastic engaging protrusion 421 is smoother.

Optionally, as shown in fig. 7, in this embodiment, the column portion 321 has at least two positioning ribs 321a, the positioning ribs 321a are distributed on the outer circumferential wall of the column portion 321 along the circumferential direction of the column portion 321, the positioning ribs 321a extend into the barrel opening 422, and the positioning ribs 321a are configured to abut against the inner wall of the connecting portion 42. Thus, the positioning rib 321a abuts against the inner wall of the connecting portion 42, so that the connection between the fastener 4 and the positioning protrusion 32 is relatively firm, and the fastener 4 is prevented from loosening.

Alternatively, as shown in fig. 11, in the present embodiment, the card board portion 41 has a first connection hole 411, the first connection hole 411 penetrates through the first surface and the second surface of the card board portion 41, the boss portion 322 has a second connection hole 323, the second connection hole 323 extends to the column portion 321 in the extending direction of the column portion 321, and the refrigerator further includes a fastener, the fastener penetrates through the first connection hole 411 and penetrates into the second connection hole 323. In this way, the connection stability of the fastener 4 and the positioning clip 32 can be further enhanced, and the cover plate 3 and the air duct plate 2 can still be connected by the fastening member when the elastic clip 421 or the boss portion 322 is damaged. Specifically, the fastener may be a bolt, and the hole wall of the second connecting hole 323 has a matching internal thread.

Alternatively, as shown in fig. 11, in the present embodiment, a clipping position 43 is formed between the elastic clipping projection 421 and the second surface of the clipping plate portion 41, when the clipping element 4 is in the first state, the boss portion 322 is clipped into the clipping position 43, and the first surface of the boss portion 322 abuts against the second surface of the clipping plate portion 41.

Alternatively, as shown in fig. 5, 9 and 11, in the present embodiment, the air duct plate 2 has a groove portion 24, the mounting groove 23 is opened on a groove bottom surface of the groove portion 24, the second surface of the chucking plate portion 41 has an elastic abutting portion 412, when the fastener 4 is in the first state, the chucking plate portion 41 is located in the groove portion 24, and the elastic abutting portion 412 abuts on the groove bottom surface of the groove portion 24, so that the chucking plate portion 41 and the groove bottom surface of the groove portion 24 are in interference fit. So, can make buckle spare 4 support tightly with wind channel board 2, prevent that buckle spare 4 is not hard up on the one hand, the reducible cold volume of on the other hand is revealed the possibility. The elastic contact portion 412 may be cylindrical, elliptical, hemispherical, or the like.

Optionally, as shown in fig. 4, in the present embodiment, the cover plate 3 has a plurality of hooks 33, the peripheral edge of the air duct plate 2 has positioning notches 25 with the same number as the hooks 33 and corresponding to one, and when the hooks 33 are located in the positioning notches 25, the positioning protrusions 32 extend into the mounting grooves 23; the inner wall of the compartment 11 has slots corresponding to the hooks 33, and the hooks 33 are inserted into the slots to connect the cover plate 3 to the inner wall of the compartment 11. In this way, the installation of the air duct board 2 and the cover plate 3 in alignment is facilitated. Of course, the cover plate 3 and the inner wall of the compartment 11 may be connected by other connection methods such as bolt connection, insertion connection and the like.

The embodiment of the utility model provides an installation method of refrigerator does: positioning clip 32 stretches into mounting groove 23 from the first side of air duct plate 2, buckle 4 stretches into mounting groove 23 from the second side of air duct plate 2, make boss portion 322 slide into joint position 43 along butt inclined plane 421a of elastic clip 421, buckle 4 is in the first state this moment, joint surface 322a and elastic clip 421 looks butt, the first surface of boss portion 322 and the second surface looks butt of cardboard portion 41, elastic clip portion 412 and the groove bottom looks butt of groove portion 24, pothook 33 is located location breach 25, with pothook 33 and draw-in groove joint, thereby install apron 3 and air duct plate 2 on the inner wall of room 11 between.

To sum up, the embodiment of the present invention provides a refrigerator, which mainly comprises a box body 1, an air duct plate 2, a cover plate 3 and a fastener 4, wherein the box body 1 defines a compartment 11, an inner wall of the compartment 11 defines an installation position 111, the air duct plate 2 is disposed in the installation position 111, the air duct plate 2 has a first side portion and a second side portion which are oppositely disposed, the first side portion of the air duct plate 2 faces the inner wall of the compartment 11, the first side portion of the air duct plate 2 defines an air duct 21, the air duct plate 2 has a plurality of ventilation holes 22 and a plurality of installation grooves 23, the ventilation holes 22 are located within the range of the air duct 21, the ventilation holes 22 and the installation grooves 23 penetrate through the first side portion and the second side portion of the air duct plate 2, the cover plate 3 covers the second side portion of the air duct plate 2, the cover plate 3 is connected with the inner wall of the compartment 11, the cover plate 3 has air outlets 31 which are equal in number and correspond to the ventilation holes 22 one by one, and the cover plate 3 has positioning protrusions 32 which are equal in number and correspond to one to the other to the mounting grooves 23, in the protruding 32 of locator card stretches into mounting groove 23 from the first side of wind channel board 2, buckle 4 stretches into mounting groove 23 from the second side of wind channel board 2 to with the protruding 32 looks joint of locator card, and buckle 4 covers the notch of mounting groove 23. Compared with the prior art, the refrigerator has the advantages that:

1. the installation mode of sticking and fixing by double-sided adhesive tape is replaced by the mode of arranging the installation groove and clamping the positioning clamping protrusion and the clamping part, the installation of the cover plate and the air duct plate is firmer and not easy to separate, and the possibility of generating cold leakage is reduced, so that the temperature deviation in the refrigerator compartment is reduced; secondly, the buckle spare covers the notch of mounting groove for the possibility that cold volume was revealed further reduces, thereby makes the refrigeration effect of refrigerator better.

2. The connecting part of tube-shape is convenient for the protruding location of locator card and inserts to make the protruding and counterpoint installation of buckle spare of locator card more simple convenient.

3. The convex rib of location and the inner wall looks butt of connecting portion to make buckle spare comparatively firm with the protruding connection of locator card, prevent that buckle spare is not hard up.

4. The fastener can further enhance the connection stability of the buckle piece and the positioning clamping lug, and the cover plate and the air duct plate can be connected through the fastener when the elastic clamping lug or the boss part is damaged.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A refrigerator, characterized by comprising:

the air duct plate is arranged in the installation position and provided with a first side part and a second side part which are oppositely arranged, the first side part of the air duct plate faces towards the inner wall of the compartment, the first side part of the air duct plate limits an air duct, the air duct plate is provided with a plurality of ventilation holes and a plurality of installation grooves, the ventilation holes are positioned in the range of the air duct, and the ventilation holes and the installation grooves penetrate through the first side part and the second side part of the air duct plate;

the cover plate is covered on the second side part of the air duct plate and is connected with the inner wall of the compartment, the cover plate is provided with air outlets which are equal in number to the air vents and correspond to the air vents in a one-to-one mode, the cover plate is provided with positioning clamping bulges which are equal in number to the mounting grooves and correspond to the mounting grooves in a one-to-one mode, and the positioning clamping bulges extend into the mounting grooves from the first side part of the air duct plate;

2. The refrigerator of claim 1, wherein:

an installation gap is formed between the positioning clamping boss and the inner wall of the installation groove, the positioning clamping boss comprises a columnar part and a boss part, the columnar part is provided with a first end part and a second end part which are oppositely arranged, the first end part of the columnar part is connected to the cover plate, the boss part is provided with a first surface and a second surface which are oppositely arranged, the second end part of the columnar part is connected to the second surface of the boss part, and the second surface of the boss part is a clamping surface;

3. The refrigerator of claim 2, wherein:

the buckle spare includes cardboard portion and connecting portion, the cardboard portion has relative first surface and the second surface that sets up, the second surface of cardboard portion with the notch edge butt of mounting groove, so that cardboard portion covers the notch of mounting groove, connecting portion locate immediately the second of cardboard portion is on the surface, it is protruding that connecting portion have the elasticity card, the protruding joint of elasticity card in joint face is last, so that the location card protruding with buckle spare looks joint.

4. The refrigerator of claim 3, wherein:

connecting portion are the tube-shape, connecting portion have the orientation and deviate from the nozzle of cardboard portion direction, the elasticity card is protruding to be located in the nozzle, just the protruding protrusion of elasticity card in the inner wall setting of connecting portion works as the buckle spare is in during the first state, boss portion stretches into in the nozzle, and with the protruding looks joint of elasticity card.

5. The refrigerator of claim 4, wherein:

the elastic clamping boss is provided with a butting inclined plane, the butting inclined plane inclines towards the barrel opening, and the butting inclined plane is used for butting with the boss part.

6. The refrigerator of claim 4, wherein:

the column portion has two at least protruding muscle in location, the protruding muscle in location is followed the circumference of column portion distributes in on the periphery wall of column portion, the protruding muscle in location stretches into in the barrel mouth, the protruding muscle in location be used for with the inner wall looks butt of connecting portion.

7. The refrigerator of claim 3, wherein:

the refrigerator further comprises a fastener, wherein the fastener penetrates through the first connecting hole and penetrates into the second connecting hole.

8. The refrigerator of claim 7, wherein:

the elastic clamping is convex, a clamping position is formed between the second surfaces of the clamping plate portions, when the clamping piece is in the first state, the boss portions are clamped in the clamping position, and the first surfaces of the boss portions are in butt joint with the second surfaces of the clamping plate portions.

9. The refrigerator of claim 7, wherein:

the air duct plate is provided with a groove portion, the mounting groove is formed in the groove bottom surface of the groove portion, the second surface of the clamping plate portion is provided with an elastic abutting portion, and when the clamping piece is in the first state, the clamping plate portion is located in the groove portion, the elastic abutting portion is abutted to the groove bottom surface of the groove portion, so that the clamping plate portion is in interference fit with the groove bottom surface of the groove portion.

10. The refrigerator of claim 1, wherein:

the cover plate is provided with a plurality of hooks, the peripheral edge of the air duct plate is provided with positioning notches which are equal in number to the hooks and correspond to the hooks one by one, and when the hooks are positioned in the positioning notches, the positioning clamping protrusions extend into the mounting grooves;