WO2022193986A1 - 制冷设备门体及制冷设备 - Google Patents

制冷设备门体及制冷设备 Download PDF

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Publication number
WO2022193986A1
WO2022193986A1 PCT/CN2022/079648 CN2022079648W WO2022193986A1 WO 2022193986 A1 WO2022193986 A1 WO 2022193986A1 CN 2022079648 W CN2022079648 W CN 2022079648W WO 2022193986 A1 WO2022193986 A1 WO 2022193986A1
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WIPO (PCT)
Prior art keywords
door body
air pressure
bracket
air
door
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Application number
PCT/CN2022/079648
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English (en)
French (fr)
Inventor
王凯
杨洪光
王春青
崔思柱
郭凯
Original Assignee
佛山海尔电冰柜有限公司
海尔智家股份有限公司
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Application filed by 佛山海尔电冰柜有限公司, 海尔智家股份有限公司 filed Critical 佛山海尔电冰柜有限公司
Publication of WO2022193986A1 publication Critical patent/WO2022193986A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

Definitions

  • the utility model relates to the field of refrigeration equipment, in particular to a door body of a refrigeration equipment and a refrigeration equipment.
  • Refrigeration equipment such as refrigerators or freezers have a good seal. However, after the refrigeration equipment has been refrigerated for a period of time, the internal temperature of the refrigeration equipment decreases, and the air pressure inside the refrigeration equipment decreases accordingly.
  • air holes are arranged on the door body of the refrigeration equipment to introduce the external gas into the refrigeration equipment when there is a pressure difference between the inside of the refrigeration equipment and the outside world, so as to make the air between the inside of the refrigeration equipment and the outside world.
  • the pressure difference disappears.
  • the water vapor is easily condensed or frosted inside the refrigeration equipment when it is cooled.
  • the purpose of the utility model is to provide a refrigeration equipment door body and refrigeration equipment which can prevent condensation or frost formation inside the refrigeration equipment.
  • an embodiment of the present utility model provides a door body of a refrigeration equipment, including:
  • a door body the rear side of the door body is provided with a ventilation port, the bottom is provided with a mounting hole, and an air intake channel is provided inside the door body between the ventilation port and the mounting hole;
  • the air pressure balance device has an opening at the bottom of the air pressure balance device, an air hole communicated with the opening, and a valve body movably arranged above the air hole to open or close the air hole;
  • the air pressure balancing device has a first state installed on the door body and a second state separated from the door body. When the air pressure balancing device is in the first state, the air pressure balancing device passes through The mounting hole extends into the air inlet passage, and the air hole communicates with the air port through the air inlet passage.
  • the door body includes a front and rear door shell and a door lining, and a lower trim strip installed at the ends of the door shell and the door lining, and the air vent is provided in the a door lining, the mounting holes are arranged on the lower trim strip;
  • the air pressure balance device has an elastic arm and an installation structure arranged on the elastic arm.
  • the elastic arm passes through the installation hole, and the installation structure is installed on the lower trim A strip is installed so that the air pressure balancing device is installed on the door body.
  • the installation structure includes a lower limit portion and an upper limit portion disposed above the lower limit portion.
  • the air pressure balancing device When the air pressure balancing device is in the first state, the upper limit portion and the upper limit portion are in the first state.
  • the lower limit parts are respectively located on the upper and lower sides of the lower decorative strip.
  • the air pressure balancing device includes a housing and a bracket, the housing is provided with a receiving cavity that penetrates up and down, the bracket is received in the receiving cavity, and the width of the receiving cavity is decreasing from top to bottom;
  • the bracket has a concave area, the air hole is arranged at the bottom of the concave area, the valve body is a sphere, and the valve body is placed in the concave area.
  • the door body of the refrigeration equipment further includes thermal insulation foam arranged inside the door body main body, the air intake passage is arranged inside the thermal insulation foam, and the air inlet passage is arranged inside the thermal insulation foam.
  • the bottom of the door body has a fixing protrusion
  • the bottom of the thermal insulation foam has a fixing groove matched with the fixing protrusion.
  • the outer shell is of a circular truncated structure, and the width of the outer shell increases from top to bottom.
  • the length of the housing in the left-right direction is greater than the width in the front-rear direction, the length of the housing in the left-right direction increases from top to bottom, and the air hole and the valve body are The number is plural and arranged along the left-right direction, and the valve body corresponds to the air hole one-to-one.
  • the bracket has a lower bracket and an upper bracket, the recessed area is arranged on the top of the lower bracket, and the valve body is arranged between the lower bracket and the upper bracket;
  • the air pressure balance device further includes a cover plate accommodated in the receiving cavity and located above the bracket, the cover plate and the upper bracket are both provided with ventilation perforations, and the gap between the cover plate and the upper bracket is provided. There is a space between them to form a water absorption chamber for accommodating the water absorption material.
  • the door body of the refrigeration equipment further includes an electromagnet located at the side of the casing, the valve body has a magnetic part, and the electromagnet is positioned corresponding to the magnetic part so as to When the electromagnet is energized, the valve body is driven to move to open the air hole.
  • an embodiment of the present utility model provides a refrigeration device, which includes a box body and the refrigeration device door body mounted on the box body to open or close the box body.
  • the air pressure balancing device has a first state installed on the door body and a second state separated from the door body, the air pressure balancing device is easy to install and disassemble, and the maintenance of the parts of the air pressure balancing device is convenient and replacement.
  • the air pressure balancing device When the air pressure balancing device is in the first state, when there is a pressure difference between the refrigeration equipment and the outside world, the valve body opens the air hole, and the external air flows along the opening, the air inlet passage and the air port of the air pressure balancing device in sequence, and then enters the inside of the refrigeration equipment to eliminate refrigeration.
  • the pressure difference between the equipment and the outside world makes the door body easy to open.
  • the valve body closes the air holes to prevent the external hot and humid air from entering the interior of the refrigeration equipment, thereby avoiding condensation or frost inside the refrigeration equipment.
  • FIG. 1 is a schematic structural diagram of a door body of a refrigeration equipment according to an embodiment of the present invention
  • FIG. 2 is an exploded view of a door body of a refrigeration equipment according to an embodiment of the present invention
  • FIG. 3 is a front view of a door body of a refrigeration equipment according to an embodiment of the present invention.
  • Fig. 4 is the sectional view of A-A area in Fig. 3;
  • Fig. 5 is the enlarged view of B area in Fig. 4;
  • FIG. 6 is a schematic structural diagram of a lower decorative strip according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of an insulating foam according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an electromagnet and a first air pressure balancing device according to an embodiment of the present invention
  • Fig. 9 is the sectional view of C area among Fig. 10;
  • FIG. 10 is an exploded view of the first air pressure balancing device according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of the casing of the first air pressure balancing device according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of an electromagnet and a second air pressure balancing device according to an embodiment of the present invention.
  • FIG. 13 is an exploded view of a second air pressure balancing device according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a refrigeration device according to an embodiment of the present invention.
  • front, rear, left, “right”, etc. indicate the orientation or positional relationship with reference to the orientation of the refrigeration equipment relative to the user in the normal use state.
  • front side refers to the side of the cooling device facing the user
  • rear side refers to the side of the cooling device facing away from the user.
  • the present invention provides a door body 10 of a refrigeration equipment, which is applied to refrigeration equipment.
  • the door body 10 of the refrigeration equipment includes a door body main body 11 and an air pressure balancing device 12 .
  • the rear side of the door body 11 is provided with an air vent 1121 , and the bottom is provided with a mounting hole 1131 .
  • the air pressure balancing device 12 has an opening at the bottom of the air pressure balancing device 12 , an air hole 1225 communicating with the opening, and a valve body 123 movably arranged above the air hole 1225 to open or close the air hole 1225 .
  • the air pressure balancing device 12 has a first state in which it is attached to the door body 11 and a second state in which it is separated from the door body 11 . Therefore, the installation and disassembly of the air pressure balancing device 12 are convenient, and the maintenance and replacement of the components of the air pressure balancing device 12 are convenient.
  • the air pressure balancing device 12 When the air pressure balancing device 12 is in the first state, the air pressure balancing device 12 passes through the mounting hole 1131 and extends into the air intake passage 131 , and the air hole 1225 communicates with the air vent 1121 through the air intake passage 131 .
  • the valve body 123 opens the air hole 1225, and the external air flows along the opening of the air pressure balancing device 12, the air intake passage 131, and the air port 1121 and then flows into the interior of the refrigeration equipment, eliminating the gap between the refrigeration equipment and the outside world.
  • the high pressure difference makes the door body 10 of the refrigeration equipment easy to open.
  • valve body 123 closes the air holes 1225 to prevent the cooling capacity inside the refrigeration equipment from dissipating, and prevent external humid and hot air from entering the interior of the refrigeration equipment, thereby avoiding condensation or frost inside the refrigeration equipment.
  • the door body 11 includes a door shell 111 , a door lining 112 and a lower trim strip 113 .
  • the door casing 111 is located in front of the door lining 112, and the door casing 111 and the door lining 112 are butted front and rear.
  • the lower trim strip 113 is located between the door casing 111 and the door lining 112 and is installed at the bottom ends of the door casing 111 and the door lining 112 .
  • a foam space for filling the foam material is formed between the door shell 111 , the door lining 112 , and the lower trim strip 113 .
  • the air vent 1121 is provided on the door lining 112, the mounting hole 1131 is provided on the lower trim strip 113, and the air intake passage 131 is provided in the foam space.
  • the door body 10 of the refrigerating equipment further includes a thermal insulation foam 13 disposed inside the door body main body 11 (ie, the foaming space).
  • the air intake channel 131 is disposed inside the thermal insulation foam 13 .
  • the thermal insulation foam 13 can prevent the cold air of the refrigeration equipment from escaping from the air intake passage 131, thereby reducing the energy consumption of the refrigeration equipment.
  • the bottom of the door body 11 has a fixing protrusion 1132 .
  • the bottom of the thermal insulation foam 13 has a fixing groove 132 which is matched with the fixing protrusion 1132 .
  • the fixing protrusion 1132 protrudes upward from the top of the lower decorative strip 113 , and the fixing protrusion 1132 cooperates with the fixing groove 132 to fix the thermal insulation foam 13 in the foaming space of the door body 11 .
  • the rear side of the thermal insulation foam 13 is attached to the front side of the door lining 112 to avoid a gap between the air intake passage 131 and the air vent 1121 .
  • the front side of the thermal insulation foam 13 has a supporting claw 133 that protrudes forward and abuts the rear side of the door shell 111 .
  • the air pressure balancing device 12 further includes a housing 121 , a bracket 122 and a cover plate 124 .
  • the housing 121 is provided with a receiving cavity 1211 penetrating up and down.
  • the accommodating cavity 1211 extends to the bottom of the housing 121 to form an opening at the bottom of the air pressure balancing device 12 .
  • the bracket 122 is used to support the valve body 123 and is accommodated in the receiving cavity 1211 , and the air hole 1225 of the air pressure balancing device 12 is disposed on the bracket 122 .
  • the air pressure balancing device 12 is in the first state, the top opening of the receiving cavity 1211 makes the air hole 1225 communicate with the air intake passage 131 .
  • the bracket 122 has a lower bracket 1222 and an upper bracket 1221 .
  • the lower bracket 1222 and the upper bracket 1221 are connected by a strut 1223 , and there is a space between the lower bracket 1222 and the upper bracket 1221 , and the valve body 123 is arranged between the lower bracket 1222 and the upper bracket 1221 .
  • the upper bracket 1221 prevents the valve body 123 from being disengaged from the housing 121 by moving too far.
  • the top of the lower bracket 1222 has a concave area 1224 concave downward, the air hole 1225 is provided at the bottom of the concave area 1224 , the valve body 123 is a sphere, and the valve body 123 is placed in the concave area 1224 .
  • the air pressure balancing device 12 when there is no pressure difference between the refrigeration equipment and the outside world, the valve body 123 falls on the lower bracket 1222 under the action of its own gravity, and the recessed area 1224 is arranged to guide the position of the valve body 123 to ensure the valve body 123 covers the air hole 1225.
  • the valve body 123 moves upward under the action of the pressure difference between the inside of the refrigeration equipment and the outside, and the air hole 1225 is opened.
  • the valve body 123 is hollow to reduce the weight of the valve body 123 .
  • the cover plate 124 is accommodated in the accommodating cavity 1211 and located above the bracket 122 . Both the cover plate 124 and the upper bracket 1221 are provided with ventilation perforations to ensure that the gas entering from the air holes 1225 can pass through the upper bracket 1221 and the cover plate 124 .
  • the cover plate 124 and the upper bracket 1221 there is a space between the cover plate 124 and the upper bracket 1221 to form a water absorption chamber for accommodating the water absorption material.
  • the water-absorbing material in the water-absorbing chamber can absorb the water vapor in the gas and prevent condensation or frost inside the refrigeration equipment.
  • the air pressure balance device 12 has an elastic arm 1212 and a mounting structure disposed on the elastic arm 1212 .
  • the elastic arm 1212 is formed on the housing 121 .
  • the elastic arm 1212 passes through the installation hole 1131 , and the installation structure is installed on the lower trim strip 113 so that the air pressure balancing device 12 is installed on the door body 11 .
  • the installation structure includes a lower limit portion 1214 and an upper limit portion 1213 disposed above the lower limit portion 1214.
  • the upper limit portion 1213 and the lower limit portion 1214 are located on the upper and lower sides of the lower trim strip 113, respectively. .
  • the air pressure balancing device 12 When the air pressure balancing device 12 needs to be installed on the door body 11 , the air pressure balancing device 12 passes through the installation hole 1131 of the door body 11 from bottom to top, and extends into the air inlet channel 131 of the thermal insulation foam 13 .
  • the hole wall of the mounting hole 1131 abuts against the upper limit portion 1213 to deform the elastic arm 1212 inward until the upper limit portion 1213 passes the mounting hole 1131 and the elastic arm 1212 rebounds, thereby making the upper limit
  • the position part 1213 and the lower limit part 1214 are located on the upper and lower sides of the lower trim strip 113 respectively.
  • the upper position part 1213 and the lower limit part 1214 cooperate to fix the air pressure balancing device 12 on the lower decorative strip 113.
  • the installation of the air pressure balancing device 12 is simple and convenient.
  • the air pressure balance device 12 needs to be disassembled from the door body 11. At this time, the user presses the lower limit portion 1214 to deform the elastic arm 1212 inward until the upper limit portion 1213 moves to the mounting hole 1131, and then pull down the air pressure balancing device 12 from the installation hole 1131 to complete the disassembly.
  • the disassembly of the air pressure balance device 12 is simple and convenient.
  • the door body 10 of the refrigeration equipment further includes an electromagnet 14 located at the side of the casing 121 .
  • the valve body 123 has a magnetic part, and the electromagnet 14 corresponds to the position of the magnetic part to drive the valve body 123 to move and open the air hole 1225 when the electromagnet 14 is energized.
  • the casing 121 of the valve body 123 may be made of metal material to constitute the magnetic part, or the valve body 123 may be filled with metal to constitute the magnetic part.
  • the valve body 123 moves toward the direction close to the electromagnet 14, the vent hole 1225 is opened, and the internal and external gases are exchanged to complete the air pressure balance.
  • the electromagnet 14 is powered off, since the valve body 123 is placed in the recessed area 1224, the valve body 123 will move to the bottom of the recessed area 1224 to block the air hole 1225, thereby preventing the leakage of cold air.
  • the electromagnet 14 can be activated regularly to eliminate the pressure difference between the inside of the refrigeration equipment and the outside world.
  • the thermal insulation foam 13 has a cavity for accommodating the electromagnet 14 , and the cavity is adjacent to the air pressure balancing device 12 .
  • the present invention provides two different shapes of air pressure balancing devices 12.
  • the widths of the housings 121 of the two different shapes of the air pressure balancing devices 12 increase from top to bottom, and the widths of the accommodating cavities 1211 in the housings 121 decrease from top to bottom.
  • the shape of the air inlet channel 131 of the thermal insulation foam 13 is adapted to the outer shell 121 . Since the width of the accommodating cavity 1211 decreases from top to bottom, the bracket 122 and the cover plate 124 are put into the accommodating cavity 1211 from top to bottom. The bracket 122 and the cover plate 124 are supported so that the positions of the bracket 122 and the cover plate 124 are fixed.
  • the casing 121 has a circular truncated structure, and the width of the casing 121 increases from top to bottom.
  • the air intake passage 131 in the casing 121 has a hole in the shape of a truncated cone that is adapted to the casing 121 .
  • the number of the elastic arms 1212 of the first type of air pressure balancing device 12 is four, which are distributed circumferentially around the central axis of the housing 121 .
  • the number of the air hole 1225 is one, and the central axis of the air hole 1225 coincides with the central axis of the housing 121 .
  • the struts 1223 connecting the upper bracket 1221 and the lower bracket 1222 are arc-shaped and integrally formed with the sides of the upper bracket 1221 and the lower bracket 1222 .
  • the bracket 122 of the first air pressure balancing device 12 can also be inserted into the casing 121 from the bottom opening of the casing 121 .
  • the inner wall of the accommodating cavity 1211 has a guide bar 1215 protruding from the inner wall of the accommodating cavity 1211 , and the length direction of the guide bar 1215 is the longitudinal direction.
  • the side surface of the bracket 122 has a guide groove 1226 which is matched with the guide bar 1215 .
  • the shape of the casing 121 is close to a rectangular parallelepiped. Specifically, the length of the casing 121 in the left-right direction is greater than the width in the front-rear direction.
  • the number of the air holes 1225 and the valve bodies 123 is plural and arranged along the left-right direction, and the valve bodies 123 correspond to the air holes 1225 one-to-one.
  • the length of the casing 121 in the left-right direction is relatively large, which is convenient for accommodating a plurality of air holes 1225, and the length direction of the casing 121 is parallel to the length direction of the door body 11, so as to avoid setting up multiple valve bodies 123 to increase the thickness of the door body 10 of the refrigeration equipment. Increase, improve space utilization.
  • the number of valve bodies 123 is preferably two, and the electromagnet 14 is located between the two valve bodies 123 in the front or rear of the casing 121 and in the left-right direction, and the strut 1223 of the bracket 122 is located between the two valve bodies 123 . between.
  • the length of the casing 121 of the second air pressure balancing device 12 in the left-right direction increases from top to bottom, and the intake passage 131 in the casing 121 has a hole matching the shape of the casing 121 .
  • the structure of the casing 121 is that the upper part is small and the lower part is large, so that the air pressure balancing device 12 can be easily inserted into the air inlet passage 131, and the air pressure balancing device 12 and the heat preservation are reduced. Difficulty of foam 13 assembly.
  • the number of the elastic arms 1212 is two, which are respectively disposed on the left and right sides of the housing 121 .
  • the present invention also provides a refrigeration equipment, including a box body 20 and a refrigeration equipment door body 10 installed on the box body 20 to open or close the box body 20 .
  • the refrigerating device of the utility model is a device for refrigerating or freezing items such as refrigerators, wine cabinets, beverage cabinets and the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Refrigerator Housings (AREA)

Abstract

本实用新型揭示了一种制冷设备门体及制冷设备。制冷设备门体包括门体主体和气压平衡装置，门体主体设置有通气口、安装孔、进气通道；气压平衡装置具有气孔；气压平衡装置具有安装在门体主体上的第一状态和分离于门体主体的第二状态，当气压平衡装置处于第一状态时，气压平衡装置穿过安装孔并伸入进气通道内，气孔与通气口相通。气压平衡装置的安装和拆卸方便。

Description

制冷设备门体及制冷设备 技术领域
本实用新型涉及制冷设备领域，特别涉及一种制冷设备门体及制冷设备。
背景技术
冰箱或冰柜等制冷设备具有良好的密封性。但是，在制冷设备制冷一段时间后，其内部温度降低，制冷设备内部的气压随之下降，制冷设备内部的气压低于外界的气压形成压力差，导致使用者在打开制冷设备门体时费力。
现有的制冷设备为了克服开门费力的问题，在制冷设备的门体上设置气孔，以在制冷设备内部与外界存在压力差时将外部的气体引入制冷设备内部，从而使制冷设备内部与外界的压力差消失。但是，外界的湿热空气进入制冷设备内部后，水蒸气遇冷，极易在制冷设备内部凝露或结霜。
实用新型内容
本实用新型的目的在于提供一种可防止制冷设备内部凝露或结霜的制冷设备门体及制冷设备。
为实现上述实用新型目的之一，本实用新型一实施方式提供一种制冷设备门体，包括：
门体主体，所述门体主体的后侧设置有通气口，底部设置有安装孔，所述门体主体内部在通气口与安装孔之间设置有进气通道；
气压平衡装置，所述气压平衡装置具有位于气压平衡装置底部的开 口、与开口相通的气孔、活动设置在所述气孔的上方以打开或关闭所述气孔的阀体；
所述气压平衡装置具有安装在所述门体主体上的第一状态和分离于所述门体主体的第二状态，当所述气压平衡装置处于第一状态时，所述气压平衡装置穿过所述安装孔并伸入所述进气通道内，并且所述气孔通过进气通道与所述通气口相通。
作为本实用新型一实施方式的进一步改进，所述门体主体包括前后对接的门壳和门衬、以及安装在所述门壳和门衬底端的下饰条，所述通气口设置于所述门衬，所述安装孔设置于所述下饰条；
所述气压平衡装置具有弹性臂和设置在弹性臂上的安装结构，当所述气压平衡装置处于第一状态时，所述弹性臂穿过所述安装孔，并且所述安装结构安装于下饰条以使所述气压平衡装置安装于所述门体主体。
作为本实用新型一实施方式的进一步改进，所述安装结构包括下限位部和设置在所述下限位部上方的上限位部，当所述气压平衡装置处于第一状态时所述上限位部和下限位部分别位于所述下饰条的上下两侧。
作为本实用新型一实施方式的进一步改进，所述气压平衡装置包括外壳和支架，所述外壳内部设置有上下贯通的收容腔，所述支架收容在所述收容腔内，所述收容腔的宽度从上到下递减；
所述支架具有凹陷区域，所述气孔设置在所述凹陷区域的底部，所述阀体为球体，并且所述阀体置于所述凹陷区域。
作为本实用新型一实施方式的进一步改进，所述制冷设备门体还包括设置在所述门体主体内部的保温泡沫，所述进气通道设置于所述保温泡沫内部，并且所述进气通道与所述外壳的形状相适应，所述门体主体的底部具有固定突起，所述保温泡沫的底部具有与所述固定突起配合的固定凹槽。
作为本实用新型一实施方式的进一步改进，所述外壳为圆台结构，并且所述外壳的宽度从上到下递增。
作为本实用新型一实施方式的进一步改进，所述外壳在左右方向上的长度大于在前后方向上的宽度，所述外壳在左右方向上的长度从上到下递增，所述气孔和阀体的数量为复数个并沿着左右方向排布，所述阀体与所述气孔一一对应。
作为本实用新型一实施方式的进一步改进，所述支架具有下支架和上支架，所述凹陷区域设置在所述下支架的顶部，所述阀体设置在所述下支架和上支架之间；
所述气压平衡装置还包括收容在所述收容腔内并位于所述支架上方的盖板，所述盖板与所述上支架均穿设有透气穿孔，所述盖板与所述上支架之间具有间隔构成收容吸水材料的吸水腔室。
作为本实用新型一实施方式的进一步改进，所述制冷设备门体还包括位于所述外壳侧方的电磁铁，所述阀体具有磁性部，所述电磁铁与所述磁性部位置相对应以在所述电磁铁通电时驱动所述阀体移动使所述气孔打开。
为实现上述实用新型目的之一，本实用新型一实施方式提供一种制冷设备，包括箱体、安装在箱体上以打开或关闭箱体的所述制冷设备门体。
本实用新型的有益效果是：气压平衡装置具有安装在门体主体上的第一状态和分离于门体主体的第二状态，气压平衡装置的安装和拆卸方便，便于气压平衡装置零部件的维修和更换。当气压平衡装置处于第一状态时，制冷设备与外界存在压力差时阀体打开气孔，外部的空气依次沿着气压平衡装置的开口、进气通道、通气口流动后进入制冷设备内部，消除制冷设备与外界之间的压力差使门体打开方便。制冷设备与外界不存在压力差时阀体关闭气孔，防止外部湿热空气进入制冷设备内部，从而避免制冷设备内部凝露或结霜。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本实用新型一实施方式的制冷设备门体的结构示意图；
图2是本实用新型一实施方式的制冷设备门体的分解图；
图3是本实用新型一实施方式的制冷设备门体的主视图；
图4是图3中A-A区域的剖视图；
图5是图4中B区域的放大图；
图6是本实用新型一实施方式的下饰条的结构示意图；
图7是本实用新型一实施方式的保温泡沫的结构示意图；
图8是本实用新型一实施方式的电磁铁与第一种气压平衡装置的结构示意图；
图9是图10中C区域的剖视图；
图10是本实用新型一实施方式的第一种气压平衡装置的分解图；
图11是本实用新型一实施方式的第一种气压平衡装置的外壳的结构示意图；
图12是本实用新型一实施方式的电磁铁与第二种气压平衡装置的结构示意图；
图13是本实用新型一实施方式的第二种气压平衡装置的分解图；
图14是本实用新型一实施方式的制冷设备的结构示意图。
具体实施方式
以下将结合附图所示的具体实施方式对本实用新型进行详细描述。但这些实施方式并不限制本实用新型，本领域的普通技术人员根据这些实施方式所做出的结构、方法、或功能上的变换均包含在本实用新型的保护范围内。
在本实用新型的各个图示中，为了便于图示，结构或部分的某些尺寸会相对于其它结构或部分扩大，因此，仅用于图示本实用新型的主题的基本结构。
在本实用新型具体实施方式的描述中，术语“前”、“后”、“左”、“右”等指示方位或位置关系以制冷设备正常使用状态相对用户的方位为参照。例如，前侧是指制冷设备朝向用户的一侧，后侧是指制冷设备背离用户的一侧。
如图1所示，本实用新型提供了一种制冷设备门体10，其应用于制冷设备。制冷设备门体10包括门体主体11和气压平衡装置12。
如图2所示，门体主体11的后侧设置有通气口1121，底部设置有安装孔1131，门体主体11内部在通气口1121与安装孔1131之间设置有进气通道131。
如图8、图9和图13所示，气压平衡装置12具有位于气压平衡装置12底部的开口、与开口相通的气孔1225、活动设置在气孔1225的上方以打开或关闭气孔1225的阀体123。
气压平衡装置12具有安装在门体主体11上的第一状态和分离于门体主体11的第二状态。因此气压平衡装置12的安装和拆卸方便，便于气压平衡装置12零部件的维修和更换。
当气压平衡装置12处于第一状态时，气压平衡装置12穿过安装孔1131并伸入进气通道131内，并且气孔1225通过进气通道131与通气口1121相通。制冷设备与外界存在压力差时阀体123打开气孔1225，外部的空气依次沿着气压平衡装置12的开口、进气通道131、通气口1121流动后进入制冷设备内部，消除制冷设备与外界之间的压力差使制冷设备门体10打开方便。制冷设备与外界不存在压力差时阀体123关闭气孔1225，防止制冷设备内部的冷量散失，防止外部湿热空气进入制冷设备内部，从而避免制冷设备内部凝露或结霜。
结合图2、图3、图4和图5，在本实用新型的一实施方式中，门体 主体11包括门壳111、门衬112和下饰条113。
门壳111位于门衬112的前方，并且门壳111和门衬112前后对接。下饰条113位于门壳111和门衬112之间，并且安装在门壳111和门衬112的底端。门壳111、门衬112、下饰条113之间构成了用于填充发泡材料的发泡空间。通气口1121设置于门衬112，安装孔1131设置于下饰条113，进气通道131则设置在发泡空间内。
进一步的，制冷设备门体10还包括设置在门体主体11内部(即发泡空间)的保温泡沫13。进气通道131设置于保温泡沫13内部。保温泡沫13可防止制冷设备的冷气从进气通道131散失，降低了制冷设备的能耗。
如图6所示，门体主体11的底部具有固定突起1132。如图7所示，保温泡沫13的底部具有与固定突起1132配合的固定凹槽132。具体的，固定突起1132从下饰条113的顶部向上突伸，固定突起1132与固定凹槽132配合使保温泡沫13固定在门体主体11的发泡空间内。保温泡沫13的后侧贴合于门衬112的前侧，以避免进气通道131与通气口1121之间具有缝隙。为了进一步提升保温泡沫13的稳定性，保温泡沫13的前侧具有向前突伸并抵持门壳111后侧的支爪133。
如图8至图13所示，在本实用新型的一实施方式中，气压平衡装置12还包括外壳121、支架122和盖板124。
外壳121内部设置有上下贯通的收容腔1211。收容腔1211延伸至外壳121的底部，构成气压平衡装置12底部的开口。
支架122用于支撑阀体123，其收容在收容腔1211内，并且气压平衡装置12的气孔1225设置在支架122上。当气压平衡装置12处于第一状态时，收容腔1211的顶部开口使气孔1225与进气通道131相通。
进一步的，支架122具有下支架1222和上支架1221。下支架1222和上支架1221之间通过支柱1223连接，并且下支架1222和上支架1221之间具有间隔，阀体123设置在下支架1222和上支架1221之间。上支 架1221防止阀体123移动距离过大从外壳121中脱离。
下支架1222的顶部具有向下凹陷的凹陷区域1224，气孔1225设置在凹陷区域1224的底部，阀体123为球体，并且阀体123置于凹陷区域1224。当气压平衡装置12处于第一状态时，制冷设备与外界不存在压力差时阀体123在自身的重力作用下落在下支架1222上，并且凹陷区域1224的设置导向阀体123的位置，确保阀体123遮盖气孔1225。制冷设备与外界存在压力差时，阀体123在制冷设备内部与外界压力差的作用下向上移动，气孔1225被打开。
优选的，为了确保阀体123可以在压力差的作用下向上移动，阀体123为空心以使阀体123的重量降低。
盖板124收容在收容腔1211内，并位于支架122的上方。盖板124与上支架1221均穿设有透气穿孔，确保从气孔1225进入的气体可以从上支架1221与盖板124上穿过。
盖板124与上支架1221之间具有间隔构成收容吸水材料的吸水腔室。吸水腔室内的吸水材料可以吸收气体中的水汽，防止制冷设备内部凝露或结霜。
进一步的，气压平衡装置12具有弹性臂1212和设置在弹性臂1212上的安装结构。弹性臂1212形成于外壳121上。当气压平衡装置12处于第一状态时，弹性臂1212穿过安装孔1131，并且安装结构安装于下饰条113以使气压平衡装置12安装于门体主体11。
安装结构包括下限位部1214和设置在下限位部1214上方的上限位部1213，当气压平衡装置12处于第一状态时上限位部1213和下限位部1214分别位于下饰条113的上下两侧。
当需要将气压平衡装置12安装于门体主体11时，将气压平衡装置12从下向上穿过门体主体11的安装孔1131，并伸入保温泡沫13的进气通道131内。在气压平衡装置12移动的过程中，安装孔1131的孔壁抵持上限位部1213从而使弹性臂1212向内形变，直至上限位部1213越过 安装孔1131后弹性臂1212回弹，从而使上限位部1213和下限位部1214分别位于下饰条113的上下两侧，上限位部1213和下限位部1214配合使气压平衡装置12固定于下饰条113，气压平衡装置12的安装简单方便。
如果气压平衡装置12内的吸水材料饱和，需要从门体主体11上拆卸气压平衡装置12，此时用户按压下限位部1214，使弹性臂1212向内形变，直至上限位部1213移动至安装孔1131的正上方，然后向下将气压平衡装置12从安装孔1131抽出，完成拆卸。气压平衡装置12的拆卸简单方便。
进一步的，结合图8和图12，制冷设备门体10还包括位于外壳121侧方的电磁铁14。阀体123具有磁性部，电磁铁14与磁性部位置相对应以在电磁铁14通电时驱动阀体123移动使气孔1225打开。阀体123的外壳121可以为金属材质，构成磁性部，或者阀体123内部填充有金属，构成磁性部。
当电磁铁14通电时，阀体123向靠近电磁铁14的方向移动，此通气孔1225打开，内外气体交换，完成气压平衡。当电磁铁14断电时，由于阀体123置于凹陷区域1224，阀体123会移动到凹陷区域1224的底部，堵住气孔1225，从而防止冷气外漏。当冰箱运行一段时间后，可定时启动电磁铁14，定时消除制冷设备内部与外界的压力差。
进一步的，保温泡沫13内部具有收容电磁铁14的腔体，该腔体相邻于气压平衡装置12。
本实用新型提供两种不同形状的气压平衡装置12，两种不同形状的气压平衡装置12的外壳121宽度均从上到下递增，外壳121内的收容腔1211宽度均从上到下递减。并且保温泡沫13的进气通道131形状均与外壳121相适应。由于收容腔1211的宽度从上到下递减，将支架122和盖板124从上到下放入收容腔1211内，当支架122和盖板124下降到一定的高度后，收容腔1211的腔壁支撑支架122和盖板124，从而使支架 122和盖板124的位置固定。
如图8至图11所示，具体的，本实用新型提供的第一种气压平衡装置12，外壳121为圆台结构，并且外壳121的宽度从上到下递增。外壳121内的进气通道131具有与外壳121相适配的圆台形状的孔。当气压平衡装置12从下向上穿过安装孔1131插入进气通道131内部时，外壳121上小下大的结构便于插入进气通道131内，降低了气压平衡装置12与保温泡沫13装配的难度。
第一种气压平衡装置12的弹性臂1212的数量为四个，且围绕外壳121的中心轴线圆周分布，相邻弹性臂1212之间设置有间隔，便于弹性臂1212的形变。气孔1225的数量为一个，且气孔1225的中心轴线与外壳121的中心轴线相重合。连接上支架1221和下支架1222的支柱1223为弧形，且与上支架1221和下支架1222的侧边一体成型。
第一种气压平衡装置12的支架122还可以从外壳121的底部开口装入外壳121内部。具体地，收容腔1211的内壁具有从收容腔1211的内壁突起的导向条1215，导向条1215的长度方向为纵向。支架122的侧面具有与导向条1215相适配的导向槽1226。装入支架122时，将支架122外壳121的底部开口穿入，并使导向条1215与导向槽1226配合，当支架122移动至导向条1215的上方时，导向条1215与导向槽1226的配合脱离，然后旋转支架122，使导向条1215的顶部支撑支架122的底部，完成支架122的安装，安装过程简单方便。
如图12和图13所示，本实用新型提供的第二种气压平衡装置12，外壳121的形状接近长方体。具体的，外壳121在左右方向上的长度大于在前后方向上的宽度。气孔1225和阀体123的数量为复数个并沿着左右方向排布，阀体123与气孔1225一一对应。外壳121在左右方向上的长度较大，便于收容多个气孔1225，并且外壳121的长度方向与门体主体11的长度方向相平行，避免设置多个阀体123使制冷设备门体10的厚度增加，提升了空间利用率。本实用新型优选阀体123的数量为两个， 并且电磁铁14在外壳121的前方或后方并且在左右方向上位于两个阀体123之间，支架122的支柱1223位于两个阀体123之间。
第二种气压平衡装置12的外壳121在左右方向上的长度从上到下递增，外壳121内的进气通道131具有与外壳121形状相适配的孔。当气压平衡装置12从下向上穿过安装孔1131插入进气通道131内部时，外壳121上小下大的结构是气压平衡装置12便于插入进气通道131内，降低了气压平衡装置12与保温泡沫13装配的难度。弹性臂1212的数量为两个，分别设置在外壳121的左右两侧。
如图14所示，本实用新型还提供了一种制冷设备，包括箱体20、安装在箱体20上以打开或关闭箱体20的制冷设备门体10。
本实用新型的制冷设备，为冰箱、酒柜、饮料柜等冷藏或冷冻物品的设备。
上文所列出的一系列的详细说明仅仅是针对本实用新型的可行性实施方式的具体说明，它们并非用以限制本实用新型的保护范围，凡未脱离本实用新型技艺精神所作的等效实施方式或变更均应包含在本实用新型的保护范围之内。

Claims (15)

  1. 一种制冷设备门体，其特征在于，包括：
    门体主体，所述门体主体的后侧设置有通气口，底部设置有安装孔，所述门体主体内部在通气口与安装孔之间设置有进气通道；
    气压平衡装置，所述气压平衡装置具有位于气压平衡装置底部的开口、与开口相通的气孔、活动设置在所述气孔的上方以打开或关闭所述气孔的阀体；
    所述气压平衡装置具有安装在所述门体主体上的第一状态和分离于所述门体主体的第二状态，当所述气压平衡装置处于第一状态时，所述气压平衡装置穿过所述安装孔并伸入所述进气通道内，并且所述气孔通过进气通道与所述通气口相通。
  2. 根据权利要求1所述的制冷设备门体，其特征在于，所述门体主体包括前后对接的门壳和门衬、以及安装在所述门壳和门衬底端的下饰条，所述通气口设置于所述门衬，所述安装孔设置于所述下饰条；
    所述气压平衡装置具有弹性臂和设置在弹性臂上的安装结构，当所述气压平衡装置处于第一状态时，所述弹性臂穿过所述安装孔，并且所述安装结构安装于下饰条以使所述气压平衡装置安装于所述门体主体。
  3. 根据权利要求2所述的制冷设备门体，其特征在于，所述安装结构包括下限位部和设置在所述下限位部上方的上限位部，当所述气压平衡装置处于第一状态时所述上限位部和下限位部分别位于所述下饰条的上下两侧。
  4. 根据权利要求1所述的制冷设备门体，其特征在于，所述气压平衡装置包括外壳和支架，所述外壳内部设置有上下贯通的收容腔，所述支架收容在所述收容腔内，所述收容腔的宽度从上到下递减；
    所述支架具有凹陷区域，所述气孔设置在所述凹陷区域的底部，所述阀体为球体，并且所述阀体置于所述凹陷区域。
  5. 根据权利要求4所述的制冷设备门体，其特征在于，所述制冷设备门体还包括设置在所述门体主体内部的保温泡沫，所述进气通道设置于所述保温泡沫内部，并且所述进气通道与所述外壳的形状相适应，所述门体主体的底部具有固定突起，所述保温泡沫的底部具有与所述固定突起配合的固定凹槽。
  6. 根据权利要求5所述的制冷设备门体，其特征在于，所述外壳为圆台结构，并且所述外壳的宽度从上到下递增。
  7. 根据权利要求5所述的制冷设备门体，其特征在于，所述外壳在左右方向上的长度大于在前后方向上的宽度，所述外壳在左右方向上的长度从上到下递增，所述气孔和阀体的数量为复数个并沿着左右方向排布，所述阀体与所述气孔一一对应。
  8. 根据权利要求4所述的制冷设备门体，其特征在于，所述支架具有下支架和上支架，所述凹陷区域设置在所述下支架的顶部，所述阀体设置在所述下支架和上支架之间；
    所述气压平衡装置还包括收容在所述收容腔内并位于所述支架上方的盖板，所述盖板与所述上支架均穿设有透气穿孔，所述盖板与所述上支架之间具有间隔构成收容吸水材料的吸水腔室。
  9. 根据权利要求5所述的制冷设备门体，其特征在于，所述制冷设备门体还包括位于所述外壳侧方的电磁铁，所述阀体具有磁性部，所述电磁铁与所述磁性部位置相对应以在所述电磁铁通电时驱动所述阀体移动使所述气孔打开。
  10. 一种制冷设备，其特征在于，包括箱体、安装在箱体上以打开或关闭箱体的如权利要求1所述的制冷设备门体。
  11. 根据权利要求10所述的制冷设备门体，其特征在于，所述门体主体包括前后对接的门壳和门衬、以及安装在所述门壳和门衬底端的下饰条，所述通气口设置于所述门衬，所述安装孔设置于所述下饰条；
    所述气压平衡装置具有弹性臂和设置在弹性臂上的安装结构，当所 述气压平衡装置处于第一状态时，所述弹性臂穿过所述安装孔，并且所述安装结构安装于下饰条以使所述气压平衡装置安装于所述门体主体；
    所述安装结构包括下限位部和设置在所述下限位部上方的上限位部，当所述气压平衡装置处于第一状态时所述上限位部和下限位部分别位于所述下饰条的上下两侧。
  12. 根据权利要求10所述的制冷设备门体，其特征在于，所述气压平衡装置包括外壳和支架，所述外壳内部设置有上下贯通的收容腔，所述支架收容在所述收容腔内，所述收容腔的宽度从上到下递减；
    所述支架具有凹陷区域，所述气孔设置在所述凹陷区域的底部，所述阀体为球体，并且所述阀体置于所述凹陷区域。
  13. 根据权利要求12所述的制冷设备门体，其特征在于，所述制冷设备门体还包括设置在所述门体主体内部的保温泡沫，所述进气通道设置于所述保温泡沫内部，并且所述进气通道与所述外壳的形状相适应，所述门体主体的底部具有固定突起，所述保温泡沫的底部具有与所述固定突起配合的固定凹槽。
  14. 根据权利要求13所述的制冷设备门体，其特征在于，所述制冷设备门体还包括位于所述外壳侧方的电磁铁，所述阀体具有磁性部，所述电磁铁与所述磁性部位置相对应以在所述电磁铁通电时驱动所述阀体移动使所述气孔打开。
  15. 根据权利要求12所述的制冷设备门体，其特征在于，所述支架具有下支架和上支架，所述凹陷区域设置在所述下支架的顶部，所述阀体设置在所述下支架和上支架之间；
    所述气压平衡装置还包括收容在所述收容腔内并位于所述支架上方的盖板，所述盖板与所述上支架均穿设有透气穿孔，所述盖板与所述上支架之间具有间隔构成收容吸水材料的吸水腔室。
PCT/CN2022/079648 2021-03-19 2022-03-08 制冷设备门体及制冷设备 WO2022193986A1 (zh)

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