CN211650870U - Air duct assembly and refrigeration equipment - Google Patents

Abstract

The utility model discloses a wind channel subassembly and refrigeration plant, wherein, the wind channel subassembly includes wind channel casing, light source spare, printing opacity piece and housing: an air supply channel is formed on one side of the air duct shell, an installation groove is formed on the other side of the air duct shell, and an air outlet communicated with the air supply channel is formed in the air duct shell; the light source piece is arranged on the bottom wall of the mounting groove; the light-transmitting piece is arranged on one side of the bottom wall of the light source piece, which is far away from the mounting groove; form the light guide channel between the side wall of housing and the mounting groove lateral wall, housing and light-transmitting piece joint, and form the holding chamber that is used for holding the flavor purification piece between housing and the light-transmitting piece. In the technical scheme, the housing and the light-transmitting piece are arranged on one side of the air duct shell, which is far away from the air supply channel, so that the service lives of the housing and the light-transmitting piece are prolonged, and articles stored in the refrigerator are prevented from being polluted; the odor-removing block can be conveniently replaced to keep the odor-removing capability; and the light guide channel between the side wall of the housing and the side wall of the mounting groove forms a halo, so that the overall appearance is enhanced.

Description

Air duct assembly and refrigeration equipment

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a wind channel subassembly and refrigeration plant.

Background

With the development of social economy, the living standard of people is higher and higher, and the requirement of consumers for refrigerators is higher and higher, wherein the problem of refrigerator peculiar smell is one of the problems to be overcome in the refrigerator industry. At present, the smell purifying box is generally assembled in an air duct of the refrigerator, and air blown to the storage chamber from the air duct is purified, so that the air purifying effect is achieved. However, because the air speed in the air duct is high, after the air purification box is used for a period of time, the air purification material in the smell purification box is easy to weather to generate white fine powder, and the fine powder is easy to blow out from the air outlet along with the wind in the air duct, so that the articles stored in the refrigerator are polluted, and therefore, the existing smell purification box is short in service life and easy to pollute the articles stored in the refrigerator.

Therefore, there is a need to provide a new air duct assembly and a refrigeration device to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind channel subassembly and refrigeration plant, aim at solving among the prior art wind channel subassembly the flavor purification box life weak point and easily cause the pollution problem to the article of storage in the refrigerator.

In order to achieve the above object, the utility model provides a wind channel subassembly, the wind channel subassembly includes wind channel casing, light source spare, printing opacity piece and housing: an air supply channel is formed on one side of the air duct shell, an installation groove is formed on the other side of the air duct shell, and an air outlet communicated with the air supply channel is formed in the air duct shell; the light source piece is arranged on the bottom wall of the mounting groove; the light-transmitting piece is arranged on one side of the bottom wall of the light source, which is deviated from the mounting groove; the side wall of housing with form the light guide channel between the mounting groove lateral wall, the housing with the light-transmitting piece joint, just the housing with form the holding chamber that is used for holding the flavor purification piece between the light-transmitting piece.

Preferably, the light-transmitting part comprises a base plate and an extension plate which are connected, the base plate is arranged on one side of the bottom wall of the mounting groove, the base plate is connected with the housing in a clamping manner, and the extension plate extends into the light guide channel from the base plate.

Preferably, a plurality of clamping teeth distributed at intervals are arranged on the light-transmitting piece, and clamping grooves are formed between the clamping teeth and the bottom plate; the cover comprises a front panel and a side wall plate which are connected, one side of the side wall plate, which is far away from the front panel, is inwards bent to form a clamping plate, bayonet sockets which are in one-to-one correspondence with the clamping teeth and used for the clamping teeth to penetrate through are formed in the clamping plate, and the cover rotates relative to the light-transmitting piece to enable the clamping plate to be clamped in the clamping grooves.

Preferably, one side of the bottom plate facing the front panel is provided with a first annular side plate and a second annular side plate surrounding the first annular side plate, a limiting groove is formed between the first annular side plate and the second annular side plate, and the odor purifying block is arranged in the limiting groove.

Preferably, the latch is disposed on the second annular side plate, and extends outward in the radial direction of the second annular side plate, and the plurality of latches are distributed at intervals in the circumferential direction of the second annular side plate.

Preferably, the bottom plate is a circular plate, one side of the bottom plate facing the light source is provided with a plurality of light guide grooves, the light guide grooves are arranged around the circumference of the bottom plate at intervals, and the light guide grooves extend along the radial direction of the bottom plate.

Preferably, the light source part is a lamp panel, and the bottom wall of the mounting groove is provided with a wire harness hole, two first buckles and two supporting seats; the wire harness hole is over against the light source part, the two first buckles are oppositely arranged, the two supporting seats are oppositely arranged, and the first buckles and the supporting seats are arranged at intervals; the supporting seat is matched with the first buckle to clamp the light source piece.

Preferably, the air duct assembly further comprises a protection ring surrounding the housing, the protection ring is clamped on the bottom wall of the installation groove and completely covers the edge of the notch of the installation groove, and the protection ring is matched with the bottom wall of the installation groove and tightly abuts against the light transmission piece.

Preferably, the protection ring comprises a protection part and an annular extension part extending from the protection part to the installation groove, the annular extension part surrounds the periphery of the extension plate, and the annular extension part is provided with a plurality of second buckles; the diapire of mounting groove seted up with the card hole of second buckle one-to-one, the edge of bottom plate be formed with the mouth is dodged to second buckle one-to-one, the second buckle passes dodge the mouth with card hole joint, protection portion butt the wind channel casing, cyclic annular extension butt printing opacity piece, the guard ring joint in the mounting groove diapire will the notch edge of mounting groove covers completely.

Additionally, the utility model provides a refrigeration plant, refrigeration plant includes the inner bag and as above the wind channel subassembly, form the refrigeration room in the inner bag, the wind channel casing is installed on the inner bag, the air supply passageway form in turn to on the wind channel casing one side of inner bag, the mounting groove set up in the wind channel casing deviates from one side of inner bag, the air supply passageway passes through the air outlet with refrigeration room intercommunication.

The utility model discloses among the technical scheme, place the holding chamber that forms between housing and printing opacity piece in order to realize the net flavor function through the net flavor piece, and housing and printing opacity piece locate the one side that deviates from the air supply passageway on the wind channel casing, the condition of the high-speed cold wind that has avoided the air supply passageway to flow directly blowing to housing and printing opacity piece for the difficult efflorescence phenomenon that produces of air purification material in housing and the printing opacity piece, avoided the article of storage in the refrigerator to be polluted when having prolonged housing and printing opacity piece life. And the housing and the printing opacity piece joint make only need dismantle the housing and just can change the flavor purification piece, make things convenient for the change of flavor purification piece in order to keep the flavor purification ability. And the luminous irradiation of light source spare is on the printing opacity spare, and the user can follow the light guide channel who forms between the side wall of housing and the mounting groove lateral wall and observe the halo, strengthens whole impression.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air duct assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of the air duct assembly according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an embodiment of the air duct assembly of the present invention;

FIG. 4 is a schematic view of an installation relationship between an air duct cover plate and a light source device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a viewing angle of an air duct cover plate according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of area A of FIG. 5;

fig. 7 is a schematic view of a portion of the structure of the air duct assembly according to the embodiment of the present invention;

fig. 8 is a schematic view of a portion of an air duct assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of another viewing angle of the air duct cover plate according to the embodiment of the present invention;

fig. 10 is a schematic structural view of a refrigeration equipment component according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the utility model provides an air duct assembly 100, air duct assembly 100 include air duct casing 1, light source 5, light-transmitting part 4 and housing 3: referring to fig. 9, an air supply channel 2 is formed at one side of the air duct housing 1, an installation groove 11 is formed at the other side of the air duct housing 1, and the air duct housing 1 is provided with an air outlet 12 communicated with the air supply channel 2; the light source piece 5 is arranged on the bottom wall of the mounting groove 11; the light-transmitting piece 4 is arranged on one side of the light source piece 5, which is far away from the bottom wall of the mounting groove 11; form light guide channel 8 between the side wall of housing 3 and the mounting groove 11 lateral wall, housing 3 and light-transmitting part 4 joint, and form the holding chamber that is used for holding flavor purification piece 7 between housing 3 and the light-transmitting part 4.

Among the above-mentioned technical scheme, place the holding chamber that forms between housing 3 and light-transmitting part 4 in order to realize the net flavor function through net flavor piece 7, and housing 3 and light-transmitting part 4 locate the one side that deviates from air supply channel 2 on the wind channel casing 1, the condition that the high-speed cold wind that has avoided air supply channel 2 to flow directly blows housing 3 and light-transmitting part 4, make the difficult efflorescence phenomenon that produces of air purification material in housing 3 and the light-transmitting part 4, avoided the article of storage in the refrigerator to be contaminated when having prolonged housing 3 and light-transmitting part 4 life. And the housing 3 and the light-transmitting piece 4 are clamped, so that the odor purifying block 7 can be replaced only by disassembling the housing 3, and the odor purifying block 7 is convenient to replace to keep the odor purifying capacity. And light source 5 shines on light-permeable member 4, and the user can observe the halo from the light guide channel 8 that forms between the side wall of housing 3 and the mounting groove 11 lateral wall, strengthens whole impression.

As shown in fig. 3, 7 and 8, the light-transmitting member 4 includes a bottom plate 41 and an extension plate 42 connected to each other, the bottom plate 41 is disposed on a side of the light source member 5 away from the bottom wall of the mounting groove 11, the bottom plate 41 is clamped with the housing 3, and the extension plate 42 extends from the bottom plate 41 into the light-guiding channel 8. The bottom plate 41 is arranged on one side of the bottom wall of the light source element 5 departing from the mounting groove 11, so that light emitted by the light source element 5 can be irradiated onto the light transmission element 4, and the extension plate 42 extends from the bottom plate 41 to the light guide channel 8, so that the pattern of the light source element 5 observed by a user is in the shape of the extension plate 42, namely, the halo observed by the user can be changed by controlling the shape of the extension plate 42, the direct impression of the user is further enhanced, for example, the edge of one side of the extension plate 42 departing from the bottom plate 41 can be set into a wavy shape, an annular shape, a radial shape and the like to achieve different effects. Specifically, the bottom plate 41 may be a circular plate, a side of the bottom plate 41 facing the light source 5 is provided with a plurality of light guide grooves 47, the plurality of light guide grooves 47 are arranged at intervals around a circumferential direction of the bottom plate 41, and each light guide groove 47 extends in a radial direction of the bottom plate 41. This allows the user to observe light beams of different intensities, and of course, irregularly shaped protrusions are formed on the base plate 41 to form light spots. The halo effect finally presented can be changed by arranging different shapes of projections or grooves on the bottom plate 41 or changing the shape of the extension plate 42, so as to meet the requirements of different users.

A plurality of latch teeth 43 distributed at intervals can be arranged on the light-transmitting member 4, and a slot 44 is formed between each latch tooth 43 and the bottom plate 41; the housing 3 comprises a front panel 31 and a side surrounding panel 32 which are connected, one side of the side surrounding panel 32, which is far away from the front panel 31, is bent inwards to form a clamping plate 33, a bayonet 34 which corresponds to the clamping teeth 43 one by one and is used for the clamping teeth 43 to pass through is arranged on the clamping plate 33, and the housing 3 rotates relative to the light-transmitting piece 4 to enable the clamping plate 33 to be clamped in the clamping groove 44. Thus, the cover 3 can be detached or installed by rotating the cover 3, the flavor purifying block 7 can be replaced,

wherein, one side of the front panel 31 on the bottom plate 41 is provided with a first annular side plate 45 and a second annular side plate 46 surrounding the first annular side plate 45, a limiting groove 48 is formed between the first annular side plate 45 and the second annular side plate 46, and the odor purifying block 7 is arranged in the limiting groove 48. Carry on spacingly to the flavor purification piece 7 through setting up first cyclic annular curb plate 45 and the cyclic annular curb plate 46 of second, prevent that the flavor purification piece 7 from rocking in the solute space, simultaneously when changing the flavor purification piece 7, only need dismantle housing 3, place the flavor purification piece 7 in the spacing groove 48 that forms between first cyclic annular curb plate 45 and the cyclic annular curb plate 46, cover the action that housing 3 just accomplished whole change flavor purification piece 7, compare in taking off whole housing 3, dismantle the mode that housing 3 changed to flavor purification piece 7 more convenient and fast again.

The latch 43 is disposed on the second annular side plate 46 and extends outward in the radial direction of the second annular side plate 46, and the plurality of latches 43 are distributed at intervals in the circumferential direction of the second annular side plate 46. That is, when the housing 3 and the light-transmitting member 4 are mounted, the catch plate 33 restricts the movement of the housing 3 in the front-rear direction, and the second annular side plate 46 restricts the movement of the housing 3 in the up-down, left-right, and left-right directions, thereby realizing the omni-directional restriction of the housing 3 and the mounting of the housing 3.

In a preferred embodiment, the extension plate 42 is annular, and the cross-sectional radius of the extension plate 42 is gradually enlarged in a direction away from the light source unit 5. Extension board 42 is the loudspeaker specifically and is described, and when installing housing 3, extension board 42 can also play the guide effect, and the user need not try on specific joint position, only need press housing 3 backward, and when housing 3 bottom and latch 43 contacted, rotatory housing 3, in case latch 43 just right bayonet 34, latch 43 then can pass latch 43, and rotatory housing 3 just can realize locking afterwards.

The housing 3 is further provided with a first limiting member 35 and a second limiting member 36, the first limiting member is connected with one side edge of the bayonet 34, and the second limiting member forms a gap with the other side edge of the bayonet 34.

In a preferred embodiment, as shown in fig. 4, 5 and 6, the light source 5 is a lamp panel, and the bottom wall of the mounting groove 11 is provided with a wire harness hole, two first fasteners 111 and two support seats 112; the wire harness hole is opposite to the light source part 5, the two first buckles 111 are oppositely arranged, the two supporting seats 112 are oppositely arranged, and the first buckles 111 and the supporting seats 112 are arranged at intervals; the supporting base 112 cooperates with the first buckle 111 to clamp the light source 5. The wire harness hole is used to guide the signal line and power line of the control light source 5 to the rear side of the air duct cover plate, and maintain the aesthetic property of the whole air duct assembly 100. The support base 112 and the first buckle 111 respectively abut against the front side and the rear side of the light source 5 to clamp the light source 5, and the two first buckles 111 can provide clamping force for the upper side and the lower side of the light source 5 to realize complete positioning of the light source 5.

Of course, the light source part 5 can also be a lamp bead, a lamp strip and other components capable of emitting light to form the light source part, and the specific selection of the light source part 5 does not influence the realization of the function of the light source part.

Referring to fig. 3 and 7 again, the air duct assembly 100 further includes a protection ring 6 surrounding the housing 3, the protection ring 6 is clamped to the bottom wall of the installation slot 11 and completely covers the edge of the notch of the installation slot 11, and the protection ring 6 is matched with the bottom wall of the installation slot 11 and tightly abuts against the light-transmitting member 4. Will be described in the present embodiment

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. The protective ring 6 is connected with the bottom wall of the mounting groove 11 in a clamped manner, so that the protective ring 6 completely covers the notch of the mounting groove 11, the appearance attractiveness of the air duct shell 1 is improved, and meanwhile, the condition that the edge of the notch of the mounting groove 11 is exposed and the scratch of people occurs can be prevented. And guard ring 6 can also play the effect of fixed light transmission piece 4, that is to say, guard ring 6, light transmission piece 4 and housing 3 three are all detachable, when there is damage or ageing convenient change of one of them. Of course, the light-transmitting member 4 can be detachably connected to the bottom wall of the mounting groove 11 by screws, or directly connected to the bottom wall of the mounting groove 11 by clamping or fastening.

Specifically, the guard ring 6 includes a guard portion 61 and an annular extension portion 62 extending from the guard portion 61 to the mounting groove 11, the annular extension portion 62 surrounds the periphery of the extension plate 42, and the annular extension portion 62 is provided with a plurality of buckles; the card hole 114 with the buckle one-to-one is seted up to the diapire of mounting groove 11, and the edge of bottom plate 41 is formed with the mouth 49 of dodging with the buckle one-to-one, and the buckle passes dodge mouth 49 and card hole 114 joint, and protection portion 61 butt wind channel casing 1, cyclic annular extension 62 butt printing opacity piece 4, and the guard ring 6 joint covers the notch edge of mounting groove 11 in mounting groove 11 diapire and completely. The annular extension part 62 of this embodiment extends along the fore-and-aft direction, and when the guard ring 6 was installed, earlier passed the dodge groove with second buckle 63, made the guard ring 6 cover establish on the printing opacity piece, then successively pressed guard ring 6 and printing opacity piece 4 along the mounting groove 11 lateral wall together, until second buckle 63 joint income card hole 114, the notch edge of mounting groove 11 was covered completely to guard portion 61 this moment, realized printing opacity piece 4 simultaneously and fixed. The second buckle 63 and the annular extension 62 of the guard ring 6 are matched to firmly connect the guard ring 6 with the side wall and the bottom wall of the mounting groove 11, so that the mounting stability and the mounting convenience of the guard ring 6 are ensured.

In order to ensure that a certain gap exists between the light-transmitting member 4 and the light source member 5, the bottom wall of the mounting groove 11 is further provided with an annular limiting wall 113 for limiting the light-transmitting member 4, and the annular limiting wall 113 and the annular extension part 62 of the guard ring 6 respectively support the front side and the rear side of the light-transmitting member 4 to clamp the light-transmitting member 4.

As shown in fig. 10, in addition, the utility model also provides a refrigeration plant 200, refrigeration plant 200 includes inner bag and foretell wind channel subassembly 100, forms refrigeration room 220 in the inner bag, and wind channel casing 1 installs on the inner bag, and air supply channel 2 is formed on wind channel casing 1 towards one side of inner bag, and mounting groove 11 sets up in one side that wind channel casing 1 deviates from the inner bag, and air supply channel 2 passes through air outlet 12 and refrigeration room 220 intercommunication. The specific structure of the air duct assembly 100 is described with reference to the above embodiments. The cold air of the refrigeration device 200 of this embodiment passes through the air supply channel 2 on the air duct housing 1, and finally blows into the refrigeration compartment 220 from the air outlet 12, so as to refrigerate the articles stored in the refrigeration compartment 220. The refrigeration compartment 220 of this embodiment includes the freezing compartment 220a and the cold-stored compartment 220b that arrange along the left and right sides direction, and the housing 3 and the light-permeable member 4 of this embodiment are installed in cold-stored compartment 220b to lean on the setting, guarantee that the cold wind that air outlet 12 blew off is through the purification of flavor processing before sinking earlier to improve the inside air purification efficiency of whole refrigeration plant 200. Since the refrigeration apparatus 200 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. An air duct assembly, comprising:

the air duct shell is provided with an air supply channel at one side, an installation groove at the other side, and an air outlet communicated with the air supply channel;

the light source piece is arranged on the bottom wall of the mounting groove;

the light-transmitting piece is arranged on one side, away from the bottom wall of the mounting groove, of the light source piece;

the housing, the side wall of housing with form the light guide channel between the mounting groove lateral wall, the housing with the printing opacity spare joint, just the housing with form the holding chamber that is used for holding the flavor purification piece between the printing opacity spare.

2. The air duct assembly according to claim 1, wherein the light-transmitting member includes a bottom plate and an extension plate connected to each other, the bottom plate is disposed on a side of the light source member away from the bottom wall of the mounting groove, the bottom plate is clamped to the housing, and the extension plate extends from the bottom plate into the light-guiding channel.

3. The air duct assembly of claim 2, wherein the light-transmitting member is provided with a plurality of spaced-apart latch teeth, and a slot is formed between the latch teeth and the base plate; the cover comprises a front panel and a side wall plate which are connected, one side of the side wall plate, which is far away from the front panel, is inwards bent to form a clamping plate, bayonet sockets which are in one-to-one correspondence with the clamping teeth and used for the clamping teeth to penetrate through are formed in the clamping plate, and the cover rotates relative to the light-transmitting piece to enable the clamping plate to be clamped in the clamping grooves.

4. The air duct assembly according to claim 3, wherein a first annular side plate and a second annular side plate surrounding the first annular side plate are disposed on a side of the bottom plate facing the front panel, a limiting groove is formed between the first annular side plate and the second annular side plate, and the odor purifying block is disposed in the limiting groove.

5. The air duct assembly of claim 4, wherein the latch is disposed on the second annular side plate and extends radially outward of the second annular side plate, and a plurality of the latches are spaced circumferentially of the second annular side plate.

6. The air duct assembly according to claim 2, wherein the base plate is a circular plate, a plurality of light guide grooves are formed in a side of the base plate facing the light source, the plurality of light guide grooves are spaced around a circumference of the base plate, and each of the light guide grooves extends in a radial direction of the base plate.

7. The air duct assembly according to any one of claims 1 to 6, wherein the light source is a lamp panel, and the bottom wall of the mounting groove is provided with a wire harness hole, two first buckles and two supporting seats; the wire harness hole is over against the light source part, the two first buckles are oppositely arranged, the two supporting seats are oppositely arranged, and the first buckles and the supporting seats are arranged at intervals; the supporting seat is matched with the first buckle to clamp the light source piece.

8. The air duct assembly according to any one of claims 2-6, further comprising a guard ring surrounding the housing, wherein the guard ring is engaged with the bottom wall of the mounting groove and completely covers the edge of the notch of the mounting groove, and the guard ring is matched with the bottom wall of the mounting groove and abuts against the light-transmitting member.

9. The air duct assembly according to claim 8, wherein the guard ring includes a guard portion and an annular extension portion extending from the guard portion to the mounting groove, the annular extension portion surrounds the extension plate, and the annular extension portion is provided with a plurality of second catches; the diapire of mounting groove seted up with the card hole of second buckle one-to-one, the edge of bottom plate be formed with the mouth is dodged to second buckle one-to-one, the second buckle passes dodge the mouth with card hole joint, protection portion butt the wind channel casing, cyclic annular extension butt printing opacity piece, the guard ring joint in the mounting groove diapire will the notch edge of mounting groove covers completely.

10. The refrigerating equipment is characterized by comprising an inner container and the air duct assembly as claimed in any one of claims 1 to 9, wherein a refrigerating chamber is formed in the inner container, the air duct shell is installed on the inner container, the air supply channel is formed on one side, facing the inner container, of the air duct shell, the installation groove is formed in one side, facing away from the inner container, of the air duct shell, and the air supply channel is communicated with the refrigerating chamber through the air outlet.

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