CN110887305B

CN110887305B - Three-door air-cooled refrigerator

Info

Publication number: CN110887305B
Application number: CN201911214777.7A
Authority: CN
Inventors: 叶盛; 姚飞; 陈银飞
Original assignee: Ningbo Handian Electric Appliance Co ltd
Current assignee: Ningbo Handian Electric Appliance Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2021-07-30
Anticipated expiration: 2039-12-02
Also published as: CN110887305A

Abstract

The invention discloses a three-door air-cooled refrigerator, which comprises a refrigerator body, wherein a cold air isolating device which is communicated with an air duct and can isolate the temperature inside a refrigerating chamber from the higher temperature outside when the door of the refrigerating chamber is opened is arranged at the position, close to a refrigerator door, of the refrigerating chamber, the three-door air-cooled refrigerator realizes the automatic ventilation function through two ventilation pipes which are connected at the air duct of the refrigerating chamber and a flow dividing pipe arranged inside the refrigerating chamber, simultaneously, under the control of an adjusting device and the induction action of a door opening inductor positioned at a cold meal making position, when the corresponding cabinet door of the refrigerating chamber is opened, the ventilation pipes realize the automatic ventilation function, simultaneously, the input air flow is blown downwards at the inlet of the refrigerating chamber, further, the cold air inside the refrigerating chamber is isolated inside the refrigerating chamber, and simultaneously, the hot air outside the refrigerator body realizes the effective isolation function, so as to prevent the heat leakage phenomenon inside the refrigerator, the fresh-keeping performance in the refrigerator is improved.

Description

Three-door air-cooled refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a three-door air-cooled refrigerator.

Background

An air-cooled refrigerator, as its name implies, is mainly a refrigerating chamber and a freezing chamber of a refrigerator by means of air circulation. In the upper part of the evaporator, when the compressor is working, the fan motor is simultaneously powered on to operate, and the forced convection of the fan is used to transfer cold air to the spaces of the freezing chamber and the refrigerating chamber.

At present, when the existing three-door air-cooled refrigerator is used, the air channels are respectively arranged in the refrigerating chamber, the temperature-changing chamber and the foaming layer of the refrigerating chamber, the air inlet pipe is connected with the built-in air channel, the compressor works, the fan motor is simultaneously electrified and operated, the fan is forced to convect, and cold air is transferred to the refrigerating chamber and the refrigerating chamber, however, because the air channel and the air supply pipe are distributed at the position close to the inside of the air-cooled refrigerator, the distance between the air supply pipeline and the position close to the opening and closing door of the air-cooled refrigerator is far, meanwhile, the hot air is easily introduced from the opening and closing door, the heat is easily leaked from the inside of the air-cooled refrigerator, particularly, the refrigerating chamber frequently used at home is provided, the temperature distribution inside the air-cooled refrigerator is often uneven, the food preservation is influenced, and.

Disclosure of Invention

The invention aims to provide a three-door air-cooled refrigerator to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a three air-cooled refrigerators, includes the box, and the box is inside to be equipped with walk-in, temperature-changing room and freezer in proper order, the walk-in is close to box cabinet door department and is equipped with the cold wind isolating device that can make the inside temperature of walk-in and keep apart with the higher temperature in the external world when the room door is opened to the cold wind isolating device that is equipped with to play and carry out effectual effect of keeping apart to the inside air conditioning of walk-in and the steam in the box outside, further make the inside food of walk-in carry out effectual fresh-keeping effect.

Preferably, cold wind isolating device includes that both ends respectively with the ventilation pipe of the fixed intercommunication in wind channel, and the ventilation pipe is located the inside top of walk-in, the fixed intercommunication in ventilation pipe bottom has two shunt tubess, and just is located and is equipped with a plurality of ventilation hole between two shunt tubess on the ventilation pipe, be equipped with the supply-air hole that blows cold wind on the shunt tubess, two all be equipped with the adjusting device who carries out control to the inside wind flow of ventilation pipe and shunt tubess between shunt tubess and the ventilation pipe, the frame department that lies in the walk-in on the box is equipped with the inductor that opens the door, through the inductor that opens the door that is equipped with to play the cabinet door of walk-in department and be in the effect of carrying out the auto-induction when opening.

Preferably, the ventilation pipe is U-shaped, so that the ventilation pipe plays a role of isolating hot wind when the door of the refrigerating chamber is opened.

Preferably, the supply-air hole is equipped with a plurality of, and a plurality of supply-air hole is located the shunt tubes and is close to the inside one side of walk-in, through a plurality of supply-air hole that is equipped with to make two shunt tubes stabilize the effect of air feed to the inside and near cabinet door department of walk-in.

Preferably, adjusting device is including the first spacing pipe and the spacing pipe of second of fixed ventilation pipe and shunt tubes that run through respectively, first spacing pipe and the spacing pipe of second respectively with the fixed intercommunication of ventilation pipe and shunt tubes, and first spacing pipe and the spacing pipe of second respectively with walk-in inner wall fixed connection, first spacing pipe all is equipped with the removal sealing member with the spacing inside of second, two remove the sealing member link and be connected with the driving piece, the driving piece outside is equipped with the set casing, the fixed cover of set casing is in the first spacing pipe and the spacing outside of managing of second, through the adjusting device who is equipped with to play the effect to the regulation control of ventilation pipe and shunt tubes gas circulation.

Preferably, remove the sealing member and connect the inside removal piston at first spacing pipe including the cooperation, the one end fixedly connected with connecting block that first spacing pipe was kept away from to the removal piston, the inside recess that is equipped with of connecting block, and the inside fixedly connected with connecting axle of recess, the connecting axle outside has cup jointed the connecting rod through the bearing rotation, the connecting rod is kept away from the one end of connecting axle and is passed first spacing pipe and be connected with the driving piece output, through the removal sealing member that is equipped with to play the effect of controlling the intercommunication respectively to ventilation pipe and two shunt tubes.

Preferably, the driving piece includes respectively with two back shafts of running through of two connecting rods, and two connecting rods rotate with two back shafts respectively and be connected, the both ends difference first backup pad of fixedly connected with and the second backup pad of back shaft, and fixedly connected with fixed axle, one between two second backup pads one side fixedly connected with shaft coupling of second backup pad, and fixedly connected with driving motor on the shaft coupling, driving motor and set casing fixed connection, driving motor passes through the controller and opens the door inductor electric connection, through the driving piece that is equipped with to play the effect of the drive when moving respectively in ventilation pipe and shunt tubes two pistons.

Preferably, two sets of the first supporting plate and the second supporting plate are vertically distributed, so that the two pistons respectively extend and retract in the first limiting pipe and the second limiting pipe through the two connecting rods.

Preferably, the diameters of the first limiting pipe and the second limiting pipe are larger than the diameters of the ventilation pipe and the shunt pipe, so that the first limiting pipe and the second limiting pipe are stably communicated with the ventilation pipe and the shunt pipe respectively.

Compared with the prior art, the invention has the beneficial effects that:

when the invention is used, the two ventilation pipes connected with the air duct at the refrigerating chamber and the shunt pipe arranged in the refrigerating chamber are connected, meanwhile, under the control of the adjusting device and the induction action of the door opening inductor positioned at the cold meal making place, when the cabinet door corresponding to the refrigerating chamber is opened, the ventilation pipe realizes the function of automatic ventilation, at the same time, the input air flow is blown downwards at the inlet of the refrigerating chamber, so that the cold air in the refrigerating chamber is blocked in the refrigerating chamber, meanwhile, the hot air outside the refrigerator body realizes the effective isolation function, thereby preventing the heat leakage phenomenon in the refrigerator, meanwhile, after the cabinet door is closed, the adjusting device realizes the effect of closing the ventilation pipe in a ventilation mode, and meanwhile, the two shunt pipes are enabled to conduct ventilation, so that the air flow is stably blown towards the inside of the refrigerating chamber, and the preservation performance of the inside of the refrigerator is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a refrigerating compartment according to the present invention;

FIG. 3 is a schematic view of the structure of the air supply holes on the shunt tube according to the present invention;

FIG. 4 is a schematic view of a vent according to the present invention;

FIG. 5 is a schematic view of a partial connection of a vent tube and shunt tube according to the present invention;

FIG. 6 is an enlarged view of area A in FIG. 4;

FIG. 7 is an enlarged view of area B of FIG. 5;

fig. 8 is an enlarged view of the region C in fig. 6.

In the figure: 1-a box body; 2-a refrigerating chamber; 3-temperature changing chamber; 4-a freezing chamber; 5-a cold air isolation device; 6-ventilating pipe; 7-a shunt tube; 8-a vent hole; 9-air supply holes; 10-a regulating device; 11-door opening sensor; 12-a first limit tube; 13-a second limit tube; 14-moving the seal; 15-a drive member; 16-a stationary shell; 17-a moving piston; 18-connecting blocks; 19-a groove; 20-a connecting shaft; 21-a connecting rod; 22-supporting shaft; 23-a first support plate; 24-a second support plate; 25-a fixed shaft; 26-driving the motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a three-door air-cooled refrigerator comprises a refrigerator body 1, wherein a refrigerating chamber 2, a temperature-changing chamber 3 and a freezing chamber 4 are sequentially arranged in the refrigerator body 1, and air channels are arranged at foaming layers of cold food, the temperature-changing chamber 3 and the freezing chamber 4;

a cold air isolating device 5 which is communicated with the air duct and can isolate the temperature inside the refrigerating chamber 2 from the external higher temperature when the door of the refrigerating chamber 2 is opened is arranged at the position, close to the cabinet door of the cabinet body 1, of the refrigerating chamber 2, the cold air isolating device 5 comprises a ventilation pipe 6, two ends of the ventilation pipe 6 are respectively fixedly communicated with the air duct, the ventilation pipe 6 is positioned at the top end inside the refrigerating chamber 2, the ventilation pipe 6 is U-shaped, the U-shaped end of the ventilation pipe 6 is positioned at the top end inside the refrigerating chamber 2, and meanwhile, one end of the large end face of the ventilation pipe 6 is positioned at the position;

the bottom end of the ventilation pipe 6 is fixedly communicated with two shunt pipes 7, a plurality of vent holes 8 are formed in the ventilation pipe 6 and located between the two shunt pipes 7, a plurality of air supply holes 9 for blowing cold air are formed in the shunt pipes 7, the air supply holes 9 are located in one side, close to the interior of the refrigerating chamber 2, of the shunt pipes 7, adjusting devices 10 for controlling air flow in the ventilation pipe 6 and the shunt pipes 7 are arranged between the two shunt pipes 7 and the ventilation pipe 6, and the adjusting devices 10 are located on two sides of one end, large in end face, of the ventilation pipe 6 and are connected with the two shunt pipes 7 respectively;

a door opening sensor 11 is arranged on the box body 1 at the frame of the refrigerating chamber 2, the adjusting device 10 comprises a first limiting pipe 12 and a second limiting pipe 13 which are respectively fixedly penetrated through a ventilating pipe 6 and a shunt pipe 7, the first limiting pipe 12 and the second limiting pipe 13 are respectively fixedly communicated with the ventilating pipe 6 and the shunt pipe 7, the diameters of the first limiting pipe 12 and the second limiting pipe 13 are larger than the diameters of the ventilating pipe 6 and the shunt pipe 7, the first limiting pipe 12 and the second limiting pipe 13 are respectively fixedly connected with the inner wall of the refrigerating chamber 2, when the ventilating pipe 6 and the two shunt pipes 7 are used for ventilating, the ventilating pipe 6 respectively controls the ventilation through the two first limiting pipes 12 at the two ends, and the two shunt pipes 7 respectively control the ventilation through the two second limiting pipes 13;

the movable sealing parts 14 are arranged inside the first limiting pipe 12 and the second limiting pipe 13, each movable sealing part 14 comprises a movable piston 17 which is connected inside the first limiting pipe 12 in a matched mode, one end, far away from the first limiting pipe 12, of each movable piston 17 is fixedly connected with a connecting block 18, a groove 19 is formed inside each connecting block 18, a connecting shaft 20 is fixedly connected inside each groove 19, a connecting rod 21 is rotatably sleeved outside each connecting shaft 20 through a bearing, one end, far away from the connecting shaft 20, of each connecting rod 21 penetrates through the first limiting pipe 12 to be connected with the output end of the driving part 15, and the movable pistons 17 inside the first limiting pipe 12 and the second limiting pipe 13 are respectively provided with corresponding connecting rods 21 for connection and the function of controlling the moving position of each movable piston 17;

the connecting ends of the two movable sealing elements 14 are connected with a driving element 15, a fixed shell 16 is arranged on the outer side of the driving element 15, the fixed shell 16 is fixedly sleeved on the outer sides of the first limiting tube 12 and the second limiting tube 13, the driving element 15 comprises two supporting shafts 22 which are respectively penetrated through by the two connecting rods 21, the two connecting rods 21 are respectively rotatably connected with the two supporting shafts 22, two ends of each supporting shaft 22 are respectively and fixedly connected with a first supporting plate 23 and a second supporting plate 24, a fixed shaft 25 is fixedly connected between the two second supporting plates 24, the two groups of first supporting plates 23 and the two groups of second supporting plates 24 are vertically distributed, namely, one group of first supporting plates 23 and the second supporting plates 24 are vertically distributed with the other group of first supporting plates 23 and the other group of second supporting plates 24;

one side of one second supporting plate 24 is fixedly connected with a coupler, the coupler is fixedly connected with a driving motor 26, the driving motor 26 is fixedly connected with a fixed shell 16, the driving motor 26 is electrically connected with a door opening inductor 11 through a controller, when a cabinet door at the refrigerating chamber 2 is in a closed state, corresponding moving pistons 17 in two first limiting pipes 12 respectively move to the connecting positions of the two first limiting pipes 12 and the ventilating pipe 6, so that the ventilating pipe 6 is closed, meanwhile, two moving pistons 17 in two second limiting pipes 13 are respectively separated from the connecting positions between the shunt pipes 7 and the second limiting pipes 13, the air supply holes 9 at the two shunt pipes 7 realize the effect of blowing cold air through the cold air guided by the ventilating pipe 6, and further the cold air flows from the cabinet door of the refrigerating chamber 2 along the inside of the refrigerating chamber 2, further, the cold air in the refrigerating chamber 2 is uniformly dispersed, so that food can be effectively preserved, when the door of the refrigerating chamber 2 is opened, the door opening sensor 11 drives the motor 26 to operate through the controller regulating and controlling quantity, the driving motor 26 is controlled to rotate for a half circle, in the rotating process, the movable pistons 17 positioned in the two first limiting pipes 12 are driven by the connecting rod 21, the connecting rod 21 pulls the movable pistons 17 to be separated from the joint of the first limiting shell under the rotating connection action of the first supporting plate 23 and the second supporting plate 24, so that the ventilation pipe 6 is kept in a circulating state, meanwhile, the movable pistons 17 positioned in the second limiting pipes 13 are driven to move along the joint of the shunt pipe 7 and the second limiting pipes 13 under the connecting action of the connecting rod 21 and the rotating connection of the first supporting plate 23 and the second supporting plate 24 by the connecting rod 21, thereby further realization goes on to shunt tubes 7, sealed effect, and further messenger's ventilation pipe 6 will shunt through a plurality of ventilation hole 8 and discharge downwards by vertical direction in walk-in 2 inside, realizes carrying out the effect of separating to the external hot-blast of box 1.

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

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

Claims

1. The utility model provides a three air-cooled refrigerators, includes box (1), and box (1) is inside to be equipped with walk-in (2), temperature-changing room (3) and freezer (4) in proper order, its characterized in that: a cold air isolating device (5) which is communicated with the air duct and can isolate the temperature in the refrigerating chamber (2) from the higher temperature outside when the door of the refrigerating chamber (2) is opened is arranged at the position, close to the cabinet door of the box body (1), of the refrigerating chamber (2);

the cold air isolation device (5) comprises a ventilation pipe (6) with two ends respectively fixedly communicated with an air duct, the ventilation pipe (6) is positioned at the top end inside the refrigerating chamber (2), the bottom end of the ventilation pipe (6) is fixedly communicated with two shunt pipes (7), a plurality of ventilation holes (8) are formed in the ventilation pipe (6) and positioned between the two shunt pipes (7), air supply holes (9) for blowing cold air are formed in the shunt pipes (7), adjusting devices (10) for controlling the air flow inside the ventilation pipe (6) and the shunt pipes (7) are arranged between the two shunt pipes (7) and the ventilation pipe (6), and a door opening sensor (11) is arranged on the box body (1) and positioned at the frame of the refrigerating chamber (2);

the adjusting device (10) comprises a first limiting pipe (12) and a second limiting pipe (13) which are fixedly penetrated through a ventilation pipe (6) and a shunt pipe (7) respectively, the first limiting pipe (12) and the second limiting pipe (13) are fixedly communicated with the ventilation pipe (6) and the shunt pipe (7) respectively, the first limiting pipe (12) and the second limiting pipe (13) are fixedly connected with the inner wall of the refrigerating chamber (2) respectively, movable sealing parts (14) are arranged inside the first limiting pipe (12) and the second limiting pipe (13), the connecting ends of the two movable sealing parts (14) are connected with a driving part (15), a fixing shell (16) is arranged on the outer side of the driving part (15), and the fixing shell (16) is fixedly sleeved on the outer sides of the first limiting pipe (12) and the second limiting pipe (13);

the movable sealing element (14) comprises a movable piston (17) which is connected inside the first limiting pipe (12) in a matching mode, one end, far away from the first limiting pipe (12), of the movable piston (17) is fixedly connected with a connecting block (18), a groove (19) is formed inside the connecting block (18), a connecting shaft (20) is fixedly connected inside the groove (19), a connecting rod (21) is rotatably sleeved outside the connecting shaft (20) through a bearing, and one end, far away from the connecting shaft (20), of the connecting rod (21) penetrates through the first limiting pipe (12) to be connected with the output end of the driving element (15);

driving piece (15) are including two back shafts (22) that run through with two connecting rods (21) respectively, and two connecting rods (21) rotate with two back shafts (22) respectively and are connected, the both ends of back shaft (22) are fixedly connected with first backup pad (23) and second backup pad (24) respectively, and fixedly connected with fixed axle (25), one between two second backup pads (24) one side fixedly connected with shaft coupling of second backup pad (24), and fixedly connected with driving motor (26) on the shaft coupling, driving motor (26) and set casing (16) fixed connection, driving motor (26) are through controller and opening door inductor (11) electric connection.

2. The three-door air-cooled refrigerator according to claim 1, wherein: the ventilation pipe (6) is U-shaped.

3. The three-door air-cooled refrigerator according to claim 1, wherein: the air supply holes (9) are provided with a plurality of air supply holes, and the air supply holes (9) are positioned on one side of the flow dividing pipe (7) close to the interior of the refrigerating chamber (2).

4. The three-door air-cooled refrigerator according to claim 1, wherein: the two groups of first supporting plates (23) are vertically distributed with the second supporting plates (24).

5. The three-door air-cooled refrigerator according to claim 1, wherein: the diameters of the first limiting pipe (12) and the second limiting pipe (13) are larger than the diameters of the ventilation pipe (6) and the shunt pipe (7).