CN216716692U - Refrigerator - Google Patents

Abstract

The utility model relates to a refrigerator, which comprises a box shell, a compressor bin, a ventilation pipe fitting and a prefastening piece, wherein a first ventilation opening is formed in the wall of the box shell; the side plates of the compressor bin and the shell wall of the shell are arranged at intervals; a second ventilation opening is formed in a side plate of the compressor bin; the ventilation pipe fitting is clamped between the shell wall of the box shell and the side plate of the compressor bin and communicated with the first ventilation opening and the second ventilation opening; on the case shell was located to pretension piece detachably, the usable pretension piece of shell presss from both sides the conch wall of case shell and the curb plate in compressor storehouse respectively tightly to be fixed at ventilation pipe spare's inside and outside both ends before the box foaming, interval between the conch wall in order to keep the conch wall of case shell and the curb plate in compressor storehouse, prevent effectively that the conch wall of case shell from appearing the flash crack between first vent department and ventilation pipe spare, guarantee vent cover's installation reliability effectively, make simultaneously need not the mould before the foaming technology, the test mould, reduce the required precision to the foaming mould, practice thrift manpower and material resources effectively.

Description

Refrigerator

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

With the social development and the improvement of the living standard of people, the refrigerator becomes an indispensable household appliance in daily life of people. The compressor of the refrigerator generates certain heat in the operation process, and the condenser also generates condensation heat in the condensation process.

In the related art, the compressor and the condenser are generally provided in the compressor compartment. In order to improve the heat dissipation performance of a refrigerator compressor and a condenser, a ventilation opening is designed on the wall of a box shell at a compressor bin, and the ventilation opening is arranged on the ventilation opening by using a ventilation opening cover after the foaming of the box body is finished. However, in the foaming process of the box body, the foaming material can extrude the side plate of the box body, so that a flash seam is formed between the vent and the side plate of the box body, the assembly failure of the vent and the vent cover is caused, and the box body is scrapped; therefore, the mold adjustment and test are required many times before each foaming, which results in loss of manpower and material resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a refrigerator to optimize a ventilation structure of a compressor bin of the refrigerator in the related art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the present invention, there is provided a refrigerator including: the shell wall of the shell is provided with a first ventilation opening; the compressor bin is arranged in the box shell, and a side plate of the compressor bin and a shell wall of the box shell are arranged at intervals; a second ventilation opening which is arranged opposite to the first ventilation opening is formed in the side plate of the compressor bin; the ventilation pipe fitting is clamped between the shell wall of the shell and the side plate of the compressor bin and communicated with the first ventilation opening and the second ventilation opening; the inner end of the ventilation pipe is abutted against a side plate of the compressor bin, and the outer end of the ventilation pipe is abutted against the wall of the box shell; and the pretension piece is detachably arranged on the box shell and clamps and fixes the shell wall of the box shell and the side plate of the compressor bin at the inner end and the outer end of the ventilation pipe respectively so as to maintain the distance between the shell wall of the box shell and the side plate of the compressor bin.

In some embodiments of the present application, the ventilation pipe fitting the inner with the curb plate fixed connection in compressor storehouse, the pretension piece with ventilation pipe fitting looks joint will the conch wall clamp of case shell is fixed ventilation pipe fitting's outer end.

According to some embodiments of the present application, the preload member includes a main body plate and a jaw protruded from one side of the main body plate; the main body plate is attached to the outer wall of the box shell on the side of the first vent, and the clamping jaws extend into the ventilation pipe fitting to be clamped with the ventilation pipe fitting.

In some embodiments of the present application, the clamping jaw includes a connecting arm and a clamping hook which are integrally formed, the connecting arm is convexly disposed on one side of the main body plate, and the clamping hook is bent and extended from an end portion, far away from the main body plate, of the connecting arm to one side; the inside of the pipe of the ventilation pipe fitting is provided with ribs; the connecting arm is used for extending into the ventilation pipe fitting and enabling the clamping hook to be clamped with the rib.

In some embodiments of the present application, a clamping rib is convexly disposed on one side of the hook facing the main body plate, and a clamping groove is formed between the clamping rib and the connecting arm; the rib is clamped in the clamping groove.

According to some embodiments of the present application, a plurality of guide ribs are convexly disposed on a side surface of the main body plate facing the cabinet shell, and the guide ribs are arranged in an arc shape and circumferentially spaced along an inner wall of the pipe of the ventilation pipe; the guide ribs are respectively attached to the inner wall of the pipe of the ventilation pipe fitting, so that the pre-tightening piece is rotatably connected to the ventilation pipe fitting.

In some embodiments of the present application, the main body plate has one or more rotation openings, and the rotation openings are communicated with the ventilation pipe; the rotating port is used for controlling the pre-tightening piece to rotate on the ventilation pipe along the guide rib, so that the clamping hook is clamped on the rib.

In some embodiments of the present application, the vent tube comprises an integrally formed tube body, an inner end wall, and an outer end wall; the pipe body is of a hollow tubular structure, and the ribs are arranged in the pipe body; the inner end wall is annular and extends outwards from the inner end periphery of the pipe body; the inner end wall is used for abutting against a side plate of the compressor bin; the outer end wall is annular and extends outwards from the outer end periphery of the pipe body; the outer end wall is adapted to abut the shell wall of the enclosure.

In some embodiments of the present application, a side plate of the compressor compartment is convexly provided with a limit ring, and the limit ring is annular and arranged around the circumferential side edge of the second ventilation opening; the inner end wall is concavely provided with a limiting ring groove matched with the limiting ring, and the limiting ring is inserted and fixed in the limiting ring groove.

In some embodiments of the present application, a limiting block is convexly disposed on the outer end wall, and a limiting notch is disposed on the case shell around the first vent; the limiting block is clamped in the limiting notch.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

in the refrigerator provided by the embodiment of the utility model, the ventilation pipe fitting is arranged between the shell wall of the refrigerator shell and the side plate of the compressor bin and is matched with the ventilation pipe fitting by using the pre-tightening piece, the shell wall of the refrigerator shell and the side plate of the compressor bin can be respectively clamped and fixed at the inner end and the outer end of the ventilation pipe fitting in advance in the refrigerator body foaming front shell, so that the distance between the shell wall of the refrigerator shell and the side plate of the compressor bin is kept, the shell wall of the refrigerator shell is effectively prevented from generating flash seams between the first ventilation opening and the ventilation pipe fitting, the installation reliability of the ventilation opening cover is effectively ensured, meanwhile, a mold is not required to be adjusted and tested before a foaming process, the precision requirement on a foaming mold is reduced, and manpower and material resources are effectively saved. In addition, the prefab can be dismantled, reuse, can satisfy on-the-spot large batch production demand effectively.

Drawings

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

Fig. 2 is an enlarged schematic view of the compressor bin of fig. 1.

Fig. 3 is an exploded view of the region a in fig. 2.

FIG. 4 is a schematic view of the assembly of the side plates and the vent tubes of the compressor compartment of FIG. 3.

Fig. 5 is a schematic view of the structure of fig. 4 from another perspective.

Figure 6 is a schematic view of the assembly of the ventilation duct member of figure 3 with the wall of the enclosure.

Fig. 7 is a schematic view of the configuration of the preload member of fig. 3.

Fig. 8 is a sectional view of the area a in fig. 2.

Fig. 9 is a schematic view of an assembly of the preload member of fig. 8.

Fig. 10 is another assembled view of the preload member of fig. 8.

Fig. 11 is a schematic view of the vent cover of fig. 3.

Fig. 12 is another sectional view of the area a in fig. 2.

The reference numerals are explained below: 1. a box shell; 10. a compressor bin; 101. a left side plate; 102. a right side plate; 103. a front side plate; 104. a top side plate; 105. a second vent; 106. a fixing hole; 107. a first limit ring; 11. a rear shell plate; 12. a left shell wall; 13. a right shell wall; 14. an upper housing wall; 15. a first vent; 151. a limiting notch; 2. a ventilation pipe member; 21. a pipe body; 211. clamping convex; 22. an inner end wall; 221. mounting holes; 222. a limiting ring groove; 23. an outer end wall; 231. a second stop collar; 232. a limiting block; 24. ribs; 3. pre-tightening piece; 31. a main body plate; 311. a rotation port; 32. a jaw; 321. a connecting arm; 3221. clamping ribs; 3222. a card slot; 3223. a guide surface; 322. a hook is clamped; 323. reinforcing ribs; 33. a guide rib; 4. a vent cover; 41. a ventilation grille; 42. buckling; 5. a compressor; 6. a condenser; 7. a heat radiation fan.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable 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.

In the related art, the compressor and the condenser are generally provided in the compressor compartment. In order to improve the heat dissipation performance of a refrigerator compressor and a condenser, a ventilation opening is designed on the wall of a box shell at a compressor bin, and the ventilation opening is arranged on the ventilation opening by using a ventilation opening cover after the foaming of the box body is finished. However, in the foaming process of the box body, foaming materials can extrude the side plates of the box body, so that flash seams are formed between the ventilation openings and the side plates of the box body, the ventilation openings and the ventilation opening covers are assembled and fail, and the box body is scrapped; therefore, it is necessary to perform mold adjustment and mold testing several times before each foaming, resulting in loss of manpower and material resources.

For convenience of description, unless otherwise specified, the directions of the upper, lower, left, right, front and rear directions in the present document are all referred to the state of the refrigerator when in use, and the door body of the refrigerator is front, and the opposite direction is rear.

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention. Fig. 2 is an enlarged schematic view of the compressor bin 10 of fig. 1. Fig. 3 is an exploded view of the region a in fig. 2.

Referring to fig. 1 to 3, a refrigerator according to an embodiment of the present invention includes a box, a ventilation pipe 2, a preload member 3, and a ventilation port cover 4.

The box body adopts a cuboid hollow structure. It will be appreciated that the housing may take the form of a hollow shell of other shapes.

A plurality of mutually separated refrigerating compartments can be arranged in the box body, and each separated refrigerating compartment can be used as an independent storage space, such as a freezing compartment, a refrigerating compartment, a temperature changing compartment and the like, so that different refrigerating requirements such as freezing, refrigerating and temperature changing can be met according to different food types, and the food can be stored. The multiple refrigerating compartments can be arranged in a vertically separated manner or in a horizontally separated manner.

The box body comprises a box shell 1, a box liner (not shown) arranged in the box shell 1 and a foaming layer (not shown) positioned between the box shell 1 and the box liner.

The cabinet 1 may include a rear housing panel 11 and left and right housing walls 12, 13, an upper housing wall 14 and a bottom housing panel (not shown) extending forwardly from the periphery of the rear housing panel 11. The left casing wall 12, the right casing wall 13 and the upper casing wall 14 are of a U-shaped casing structure formed by integral bending. The cabinet 1 is open at the front side. The rear shell plate 11 is detachably provided on the back side of the U-shaped housing, and the bottom shell plate is detachably provided on the bottom of the U-shaped housing.

The case courage is located the inside of case shell 1. A refrigerating chamber is formed in the box container, and the outer wall of the box container and the left shell wall 12, the right shell wall 13, the upper shell wall 14 and the bottom plate of the box shell 1 are provided with intervals which are used for providing a foaming layer. The foaming layer is used as a heat insulation layer and is used for carrying out heat insulation on each refrigerating chamber.

A door (not shown) is arranged at the front opening of the cabinet shell 1 and used for opening and closing the refrigerating chamber. The door body and the refrigerator body can be connected through two or more hinges, and the hinge shafts of the two or more hinges are arranged along the same axis, so that the door body of the refrigerator can rotate around the axis, the opening and closing of the door body of the refrigerator are realized, and the corresponding refrigerating chamber is opened and closed. It can be understood that a plurality of door bodies can be arranged and are arranged in one-to-one correspondence with the refrigeration compartments. One door body can also open and close a plurality of refrigerating compartments at the same time.

Referring to fig. 1 and 2, the housing 1 is provided with a compressor compartment 10 therein, and the compressor compartment 10 is provided at the bottom of the housing 1 near the back side of the housing 1. The compressor bin 10 is used as a containing space and arranged in the box shell 1, and the inside of the compressor bin 10 can be used for containing the compressor 5, the condenser 6, the heat radiation fan 7 and the like.

The compressor compartment 10 includes a left side plate 101, a right side plate 102, a front side plate 103, a rear side plate (not shown), a top side plate 104, and a bottom side plate (not shown). Wherein, the left side plate 101 is used as the left side wall of the compressor compartment 10, the right side plate 102 is used as the right side wall of the compressor compartment 10, the front side plate 103 is used as the front side wall of the compressor compartment 10, the rear side plate is used as the rear side wall of the compressor compartment 10, the top side plate 104 is used as the top side wall of the compressor compartment 10, and the bottom side plate is used as the lower side wall of the compressor compartment 10. The left side plate 101, the right side plate 102, the front side plate 103, the rear side plate, the top side plate 104 and the bottom side plate together enclose the compressor compartment 10.

A space is provided between the left side plate 101 and the left case wall 12, and the space is filled with a foam layer. The right side plate 102 and the right casing wall 13 also have a space therebetween, and the space is also filled with a foam layer. It can be understood that a foaming layer may be formed outside the top side plate 104 and the front side plate 103, so that the compressor compartment 10 and the refrigerating compartment can be separated and insulated from each other, and the temperature generated by each heat generating device in the compressor compartment 10 is prevented from affecting the refrigerating compartment.

The compressor bin 10 is typically located in the lower rear portion of the box. Specifically, the bottom side plate may be provided on the bottom surface of the case body so that the bottom side plate serves as a partial bottom shell plate. The bottom of the bottom side plate and the bottom shell plate is provided with rollers, and the rollers can be utilized to assist in supporting the box body and facilitate the integral movement of the box body.

Referring to fig. 2 and 3, the ventilation pipe 2 is installed on the box body as a heat pipe. The ventilation pipe member 2 passes through the case 1, the foaming layer, and the left or right side plate 101 or 102 of the compressor compartment 10 in order for communicating the outside of the case with the inside of the compressor compartment 10.

In some embodiments, two ventilation pipes 2 are provided and are provided on opposite sides of the compressor bin 10. Among two ventilation pipe fittings 2, one of them ventilation pipe fitting 2 is as the air inlet end in compressor storehouse 10, and another ventilation pipe fitting 2 is as the air-out end in compressor storehouse 10 to cooperation heat dissipation fan 7 in the compressor storehouse 10 forms stable heat dissipation wind channel in compressor storehouse 10. In some embodiments, the air inlet side and the air outlet side of the heat dissipation fan 7 face the two ventilation pipes 2, respectively, and the compressor 5 and the condenser 6 can be separately disposed on the air inlet side and the air outlet side of the heat dissipation fan 7, so as to improve the heat dissipation effect in the compressor compartment 10.

In some embodiments, one of the ventilation ducts 2 is disposed between the left housing wall 12 and the left side plate 101, and the other ventilation duct 2 is disposed between the right housing wall 13 and the right side plate 102.

Referring to fig. 3, the left housing wall 12 is provided with a first ventilation opening 15, and the left side plate 101 is provided with a second ventilation opening 105 disposed opposite to the first ventilation opening 15. A ventilation pipe member 2 is interposed between the left casing wall 12 and the left side plate 101 and communicates with the first ventilation opening 15 and the second ventilation opening 105. Wherein the inner end of the ventilation pipe 2 abuts against the left side plate 101 of the compressor compartment 10 and the outer end of the ventilation pipe 2 abuts against the left shell wall 12 of the housing 1. It is understood that the right housing wall 13 is formed with a first ventilation opening 15, and the right side plate 102 is formed with a second ventilation opening 105 disposed opposite to the first ventilation opening 15 of the right housing wall 13. The other ventilation tube member 2 is interposed between the right casing wall 13 and the right side plate 102, and communicates the first ventilation opening 15 of the right casing wall 13 and the second ventilation opening 105 of the right side plate 102.

It should be noted that in some other embodiments, only one ventilation pipe 2 may be provided, only between the left casing wall 12 and the left side plate 101, or only between the right casing wall 13 and the right side plate 102. It also can cooperate the heat radiation structure who locates on other curb plates in compressor storehouse 10, forms stable heat dissipation channel in compressor storehouse 10.

Fig. 4 is a schematic view of the assembly of the side plates of the compressor compartment 10 of fig. 3 with the ventilation tube 2. Fig. 5 is a schematic view of the structure of fig. 4 from another perspective. Fig. 6 is a schematic view of the assembly of the ventilation duct 2 with the walls of the cabinet 1 in fig. 3.

Referring to fig. 4-6, in some embodiments, the vent tube 2 includes an integrally formed tube body 21, an inner end wall 22, and an outer end wall 23.

Wherein, body 21 is hollow tubular structure, and the both ends of body 21 all are the opening form to in the inside heat dissipation channel that forms of body 21. The tube 21 is provided between the side plate of the compressor compartment 10 and the wall of the casing 1, i.e., between the left side plate 101 and the left casing wall 12, or between the right side plate 102 and the right casing wall 13.

The inner end wall 22 is provided at the inner end of the tube body 21, i.e., at the end of the tube body 21 close to the left or right side plate 101 or 102 of the compressor bin 10. The inner end wall 22 is annular and extends circumferentially outward from the inner end periphery of the tubular body 21. The inner end wall 22 is intended to abut against a left side plate 101 or a right side plate 102 of the compressor bin 10.

An outer end wall 23 is provided at the outer end of the tubular body 21, i.e. at the end of the tubular body 21 adjacent to the left or right housing wall 12, 13 of the cabinet 1. The outer end wall 23 is annular and extends circumferentially outward from the outer end periphery of the tubular body 21. The outer end wall 23 is intended to abut either the left shell wall 12 or the right shell wall 13 of the cabinet 1.

The inner end wall 22 and the outer end wall 23 cooperate to stably clamp and fix the tube body 21 and the ventilation pipe 2 integrally between the side plate of the compressor case 10 and the wall of the case 1.

Referring to fig. 4, in some embodiments, the left side plate 101 of the compressor compartment 10 is provided with fixing holes 106, the inner end wall 22 of the ventilation pipe member 2 is provided with mounting holes 221 arranged corresponding to the fixing holes 106, the fixing holes 106 are located on the periphery side of the second ventilation opening 105, and the fixing holes 106 are arranged in a plurality and circumferentially spaced around the second ventilation opening 105. The inner end of the ventilation pipe 2 can be stably fixed to the left side plate 101 of the compressor compartment 10 by screws inserted into the fixing holes 106. Similarly, the right side plate 102 of the compressor compartment 10 may also be provided with a fixing hole 106 disposed corresponding to the inner end wall 22 of the other ventilation pipe 2, so as to stably fix the inner end of the other ventilation pipe 2 on the right side plate 102 of the compressor compartment 10.

It should be noted that, in other embodiments, the inner end of the ventilation pipe 2 may also be detachably fixed to the side plate of the compressor compartment 10 by means of snap-fit, or the like.

Referring to fig. 4 and 5, in some embodiments, a first limiting ring 107 is protruded from a side of the left side plate 101 facing the ventilation pipe 2, and the first limiting ring 107 is annular and arranged around a circumferential edge of the second ventilation opening 105. Meanwhile, a limiting ring groove 222 matched with the first limiting ring 107 is concavely arranged on the inner end wall 22 of the ventilation pipe fitting 2, the first limiting ring 107 is inserted and fixed in the limiting ring groove 222, and then the inner port of the pipe body 21 is opposite to the second ventilation opening 105, so that the assembly convenience and the assembly accuracy of the ventilation pipe fitting 2 are improved. Similarly, a first limiting ring 107 is also protruded on a side of the right side plate 102 facing the other ventilation pipe 2, so that the other ventilation pipe 2 is accurately and quickly fixedly mounted on the right side plate 102.

Referring to fig. 5, in some embodiments, the outer end wall 23 of the ventilation tube 2 is convexly provided with a second limiting ring 231, and the first limiting ring 107 is annular and arranged around the circumferential edge of the outer port of the tube body 21. Second spacing ring 231 and first vent 15 looks adaptation, and the outer end accessible second spacing ring 231 of ventilation pipe spare 2 is fixed in first vent 15 department to make the outer port of body 21 just right with first vent 15, further improve the assembly convenience and the assembly precision of ventilation pipe spare 2.

Referring to fig. 5, in some embodiments, a limiting notch 151 is formed on the left casing wall 12 of the casing 1 around the first ventilation opening 15, and a limiting block 232 is protruded on the outer end wall 23 of the ventilation pipe 2, wherein the limiting block 232 is located around the second limiting ring 231. When the second limiting ring 231 is inserted and fixed in the first vent 15 and the limiting block 232 is clamped in the limiting notch 151, the circumferential rotation of the ventilation pipe fitting 2 relative to the first vent 15 can be avoided, and the assembly stability of the ventilation pipe fitting 2 is further improved. Similarly, a limit notch 151 is formed on the right casing wall 13 around the first vent 15 to further improve the assembling stability of the other vent pipe 2. It will be appreciated that the stop block 232 may be provided in plurality and circumferentially spaced around the second stop collar 231.

It should be noted that in other embodiments, the outer end wall 23 of the ventilation pipe member 2 may be fixed to the left or right wall 12 or 13 of the cabinet 1 by screws.

Fig. 7 is a schematic view of the configuration of the preload member 3 of fig. 3. Fig. 8 is a sectional view of the area a in fig. 2.

Referring to fig. 3, 7 and 8, the preload member 3 is detachably disposed on the cabinet 1, and the preload member 3 is used to clamp and fix the wall of the cabinet 1 and the side plate of the compressor compartment 10 to the inner and outer ends of the ventilation pipe 2, respectively, so as to maintain the distance between the wall of the cabinet 1 and the side plate of the compressor compartment 10 during the foaming process of the cabinet and prevent the flash seam between the ventilation pipe 2 and the wall of the cabinet 1. Specifically, the preload members 3 are provided in two, and one of the preload members 3 is used to fix the left casing wall 12 and the left side plate 101 to the inner and outer ends of a ventilation pipe member 2 to maintain the space between the left casing wall 12 and the left side plate 101; the other preload member 3 is used to fix the right casing wall 13 and the right side plate 102 to the inner and outer ends of the other ventilation tube member 2 to maintain the space between the right casing wall 13 and the right side plate 102.

Fig. 9 is a schematic view of the assembly of the preload member 3 of fig. 8. Fig. 10 is another assembly view of the preload member 3 of fig. 8.

Referring to fig. 7 to 10 in combination with fig. 3, in some embodiments, the preload member 3 is pressed against the outside of the wall of the cabinet 1 and extends into the ventilation pipe 2 to engage with the ventilation pipe 2, thereby clamping and fixing the left or right wall 12 or 13 of the cabinet 1 to the outer end of the ventilation pipe 2.

It should be noted that, in other embodiments, the preload member 3 may also be pressed against the outer side of the shell wall of the housing 1, and simultaneously clamped with the side plate of the compressor compartment 10, so as to clamp and fix the shell wall of the housing 1 and the side plate of the compressor compartment 10 at the inner and outer ends of the ventilation pipe 2.

Referring to fig. 7 and 8, in some embodiments, the preload member 3 includes a main body plate 31 and a jaw 32 protruding from one side of the main body plate 31. The main body plate 31 is circular, and the size of the main body plate 31 is larger than the caliber of the first vent 15, so that the main body plate 31 can be attached to the outer wall of the case shell 1 on the peripheral side of the first vent 15. The claws 32 are adapted to extend into the vent tube 2 to engage with the vent tube 2. When the claws 32 are engaged with the ventilation pipe 2, the main body plate 31 is pressed against the outer wall of the cabinet 1 around the first ventilation opening 15, thereby clamping and fixing the wall of the cabinet 1 to the outer end of the ventilation pipe 2.

In some embodiments, there are two jaws 32 circumferentially spaced around the inside of the tube 21 to improve the stability and stability of the fastening of the preload member 3 to the vent tube 2. It will be appreciated that in other embodiments, three, four or more jaws 32 may be provided.

In some embodiments, the pawl 32 includes an integrally formed connecting arm 321 and a catch 322. Wherein the connecting arm 321 is protruded from one side of the main body plate 31 and extends along the axial direction of the tube 21. The hook 322 is bent and extended from the end of the connecting arm 321 away from the main body plate 31 to one side. The claw 32 has an L-shaped hook structure as a whole. Meanwhile, ribs 24 are arranged in the pipe body 21 of the ventilation pipe fitting 2, and two ends of the ribs 24 are respectively connected with the inner wall of the ventilation pipe fitting 2, namely the ribs 24 are connected with the pipe body 21 into a whole.

When the claws 32 are engaged with the ventilation pipe 2, the connecting arms 321 extend into the pipe body 21 of the ventilation pipe 2, and the hooks 322 are engaged with the ribs 24, so that the main body plate 31 is pressed against the outer wall of the cabinet 1 around the first ventilation opening 15.

Referring to fig. 9 and 10, in some embodiments, in the ventilation pipe 2, a plurality of ribs 24 may be disposed and arranged in a crisscross manner, so as to effectively improve the structural strength of the ribs 24, and further ensure the stability of the connection between the preload member 3 and the ventilation pipe 2. Meanwhile, the ribs 24 have intervals therebetween, and the intervals can be used for gas to circulate in the pipe body 21 and can be used for the claws 32 to extend into to be clamped with the ribs 24.

Referring to fig. 7, in some embodiments, a clamping rib 3221 is convexly disposed on a side of the hook 322 facing the main body plate 31, the clamping rib 3221 is parallel to and spaced from a top end of the connecting arm 321, and a clamping groove 3222 is further formed between the clamping rib 3221 and the top end of the connecting arm 321. When the hook 322 is engaged with the rib 24, the rib 24 can be engaged with and limited in the engaging groove 3222.

Still referring to fig. 7, in some embodiments, a rib 323 is disposed on a side wall of the connecting arm 321 opposite to the hook 322, and the extending direction of the rib 323 is the same as the extending direction of the connecting arm 321. The reinforcing rib 323 is used for enhancing the structural strength of the connecting arm 321, and further ensuring the stability of the connection between the preload member 3 and the vent pipe 2.

Still referring to fig. 7, in some embodiments, an end of the hook 322 away from the connecting arm 321 is provided with a guiding surface 3223, which is obliquely arranged, and the guiding surface 3223 is disposed on a side of the hook 322 facing the main body plate 31, so that the hook 322 can be smoothly clamped on the clamping rib 3221 of the ventilation pipe 2 along the guiding surface 3223.

Referring to fig. 7 and 8, in some embodiments, the side of the main body plate 31 facing the cabinet 1 is protruded with a guide rib 33, and the guide rib 33 and the claw 32 are protruded on the same side of the main body plate 31. The guide ribs 33 are arc-shaped, and the guide ribs 33 are provided in plurality and circumferentially spaced along the inner wall of the pipe body 21 of the vent pipe member 2. The guiding ribs 33 are respectively used for being attached to the inner wall of the tube body 21, so that the preload member 3 is rotatably connected to the vent pipe member 2.

When the preload piece 3 needs to be installed, the claws 32 can be inserted into the tube body 21, and the guide ribs 33 are inserted into the tube body 21 and attached to the inner wall of the tube body 21, as shown in fig. 9; then, the preload member 3 is rotated along the guiding rib 33, so that the hook 322 of the claw 32 is smoothly engaged with the engaging rib 3221 of the ventilation pipe 2, as shown in fig. 10.

Still referring to fig. 7 and 8, in some embodiments, the main body plate 31 is formed with one or more rotation openings 311, the rotation openings 311 are circumferentially spaced around the tube body 21, and the rotation openings 311 are communicated with the inside of the tube body 21 of the ventilation tube 2. The rotating opening 311 can be used for the fingers of the assembler to extend into, and then the preload piece 3 is controlled to rotate on the ventilation pipe fitting 2 along the guide rib 33, so that the clamping hook 322 is clamped on the rib 24. In addition, the clamping condition of the clamping jaws 32 can be observed through the rotating opening 311 outside the box body, so that the pre-tightening piece 3 can be conveniently mounted and dismounted.

Fig. 11 is a schematic view of the vent cover 4 of fig. 3. Fig. 12 is another sectional view of the area a in fig. 2.

Referring to fig. 3, 11 and 12, the vent cover 4 is detachably disposed on the cabinet housing 1, and the vent cover 4 is used for covering the first vent 15 on the wall of the cabinet housing 1, so that the vent pipe 2 and the exterior of the cabinet body form an internal and external separation, thereby preventing foreign matters from entering the compressor compartment 10 through the vent pipe 2 and optimizing the overall appearance of the refrigerator.

It should be noted that, after the foaming of the box body is completed, the foaming layer filled between the shell wall of the box shell 1 and the side plate of the compressor bin 10 is fixed and formed, the preload member 3 can be detached from the box body, and then the vent cover 4 is covered on the first vent 15. At this time, the distance between the shell wall of the case 1 and the side plate of the compressor compartment 10 is fixed, and no flash seam or gap occurs between the port of the ventilation pipe fitting 2 and the shell wall of the case 1, so that the vent cover 4 can be easily assembled at the first vent 15.

In some embodiments, the ventilation grille 41 is disposed on the ventilation flap 4, so that when the ventilation pipe 2 is closed by the ventilation flap 4, the ventilation pipe 2 can be communicated with the outside of the box through the ventilation grille 41, and the heat dissipation performance of the compressor compartment 10 is maintained. It is understood that in other embodiments, a plurality of ventilation holes may be provided in ventilation flap 4 instead of ventilation grille 41.

In some embodiments, a snap 42 is protruded from one side of the vent cover 4, and a snap 211 engaged with the snap 42 is protruded from the inner wall of the tube body 21 of the vent tube member 2. The buckle 42 is used for buckling with a convex buckle 211 on the inner wall of the pipe body 21, so as to detachably fix the vent cover 4 on the box shell 1. The convex 211 of card is equipped with a plurality ofly to the inner wall that encircles body 21 is circumference interval arrangement, and buckle 42 is equipped with a plurality ofly simultaneously, and sets up with the convex 211 one-to-one of card. When installing vent flap 4, only need stretch into the body 21 of ventilation pipe spare 2 with buckle 42 on vent flap 4 inside, with protruding 211 looks lock joint of card one-to-one can.

Based on the technical scheme, the embodiment of the utility model at least has the following effects:

in the refrigerator of the embodiment of the utility model, the ventilation pipe fitting 2 is arranged between the shell wall of the refrigerator shell 1 and the side plate of the compressor bin 10, the pretensioning piece 3 is matched with the ventilation pipe fitting 2, the shell wall of the refrigerator shell 1 and the side plate of the compressor bin 10 can be respectively clamped and fixed at the inner end and the outer end of the ventilation pipe fitting 2 before the refrigerator body is foamed, so that the distance between the shell wall of the refrigerator shell 1 and the side plate of the compressor bin 10 is kept, flash seams of the shell wall of the refrigerator shell 1 between the first vent 15 and the ventilation pipe fitting 2 are effectively prevented, the installation reliability of the vent cover 4 is effectively ensured, meanwhile, a mold is not required to be adjusted and tested before a foaming process, the precision requirement on a foaming mold is reduced, and manpower and material resources are effectively saved. In addition, the preload part 3 can be detached and repeatedly used, and the requirement of field large-batch production can be effectively met.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A refrigerator, characterized by comprising:

the shell wall of the shell is provided with a first ventilation opening;

the compressor bin is arranged in the box shell, and a side plate of the compressor bin and a shell wall of the box shell are arranged at intervals; a second ventilation opening which is arranged opposite to the first ventilation opening is formed in the side plate of the compressor bin;

the ventilation pipe fitting is clamped between the shell wall of the shell and the side plate of the compressor bin and communicated with the first ventilation opening and the second ventilation opening; the inner end of the ventilation pipe is abutted against a side plate of the compressor bin, and the outer end of the ventilation pipe is abutted against the wall of the box shell;

and the pretension piece is detachably arranged on the box shell and clamps and fixes the shell wall of the box shell and the side plate of the compressor bin at the inner end and the outer end of the ventilation pipe respectively so as to maintain the distance between the shell wall of the box shell and the side plate of the compressor bin.

2. The refrigerator of claim 1 wherein said vent tube is fixedly attached at an inner end thereof to said compressor compartment side panel, and said preload member engages said vent tube and clamps said cabinet wall to said vent tube at an outer end thereof.

3. The refrigerator as claimed in claim 2, wherein the preload member includes a main body plate and a jaw protruded from one side of the main body plate; the main body plate is attached to the outer wall of the box shell on the side of the first vent, and the clamping jaws extend into the ventilation pipe fitting to be clamped with the ventilation pipe fitting.

4. The refrigerator as claimed in claim 3, wherein the claw includes a connecting arm and a hook formed integrally, the connecting arm is protruded from one side of the main body plate, and the hook is bent and extended from an end of the connecting arm away from the main body plate to one side;

the inside of the pipe of the ventilation pipe fitting is provided with ribs; the connecting arm is used for extending into the ventilation pipe fitting and enabling the clamping hook to be clamped with the rib.

5. The refrigerator as claimed in claim 4, wherein a locking rib is protruded from a side of the hook facing the main body plate, and a locking groove is formed between the locking rib and the connecting arm;

the ribs are clamped in the clamping grooves.

6. The refrigerator as claimed in claim 4, wherein a plurality of guide ribs are protruded from a side surface of the body plate facing the cabinet, the guide ribs having an arc shape and being circumferentially spaced along an inner wall of the duct of the ventilation duct;

the guide ribs are respectively attached to the inner wall of the pipe of the ventilation pipe fitting, so that the pre-tightening piece is rotatably connected to the ventilation pipe fitting.

7. The refrigerator as claimed in claim 6, wherein the main body plate is formed with one or more rotation ports communicating with the ventilation pipe;

the rotating port is used for controlling the pre-tightening piece to rotate on the ventilation pipe along the guide rib, so that the clamping hook is clamped on the rib.

8. The refrigerator as claimed in claim 4, wherein the ventilation pipe member includes a pipe body, an inner end wall and an outer end wall which are integrally formed;

the pipe body is of a hollow tubular structure, and the ribs are arranged in the pipe body;

the inner end wall is annular and extends outwards from the inner end periphery of the pipe body; the inner end wall is used for abutting against a side plate of the compressor bin;

the outer end wall is annular and extends outwards from the outer end periphery of the pipe body; the outer end wall is adapted to abut the shell wall of the enclosure.

9. The refrigerator as claimed in claim 8, wherein a stopper ring is projected from a side plate of the compressor compartment, the stopper ring being annular and disposed around a peripheral side edge of the second ventilation opening;

the inner end wall is concavely provided with a limiting ring groove matched with the limiting ring, and the limiting ring is inserted and fixed in the limiting ring groove.

10. The refrigerator as claimed in claim 8, wherein a stopper is protruded from the outer end wall, and a stopper notch is formed on the cabinet case at a peripheral side of the first ventilation opening; the limiting block is clamped in the limiting notch.

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