WO2014194531A1 - 制冷设备 - Google Patents

制冷设备 Download PDF

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Publication number
WO2014194531A1
WO2014194531A1 PCT/CN2013/077011 CN2013077011W WO2014194531A1 WO 2014194531 A1 WO2014194531 A1 WO 2014194531A1 CN 2013077011 W CN2013077011 W CN 2013077011W WO 2014194531 A1 WO2014194531 A1 WO 2014194531A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
sub
groove
seal
refrigeration equipment
Prior art date
Application number
PCT/CN2013/077011
Other languages
English (en)
French (fr)
Inventor
李平芳
左宏
Original Assignee
合肥华凌股份有限公司
合肥美的电冰箱有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 合肥华凌股份有限公司, 合肥美的电冰箱有限公司 filed Critical 合肥华凌股份有限公司
Priority to PCT/CN2013/077011 priority Critical patent/WO2014194531A1/zh
Priority to EP13886478.0A priority patent/EP3006869B1/en
Priority to US14/896,830 priority patent/US9506687B2/en
Priority to PT138864780T priority patent/PT3006869T/pt
Priority to CN201320411591.2U priority patent/CN203501617U/zh
Priority to CN2013102917006A priority patent/CN103398527A/zh
Priority to CN201320554923.2U priority patent/CN203605573U/zh
Priority to CN201310404165.0A priority patent/CN103453711B/zh
Publication of WO2014194531A1 publication Critical patent/WO2014194531A1/zh

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/08Parts formed wholly or mainly of plastics materials
    • F25D23/082Strips
    • F25D23/087Sealing strips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • F25D17/047Pressure equalising devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/026Doors; Covers for open-top cabinets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/10Refrigerator top-coolers

Definitions

  • the invention relates to a refrigeration device. Background technique
  • an object of the present invention is to provide a refrigeration apparatus that is easy to open.
  • a refrigerating apparatus includes: a casing having a top open; a door for opening and closing the casing, the door being pivotally coupled to the casing a top portion of the body, the door body includes a door lining, the lower surface of the door lining is formed with an upwardly concave groove, the groove is adjacent to an outer edge of the lower surface of the door lining and surrounds the circumference; the door seal, An upper portion of the door seal is engaged in the groove, and a lower portion of the door seal is sealed against a top of the case when the door is closed, wherein the door body receives an upward external force
  • a ventilation passage is formed between the door seal and the groove.
  • the upper part of the door seal is engaged in the door sill and can be displaced relative to the door sill to form a venting passage, so that outside air enters the tank, so that the inside and outside of the tank are balanced, so that the door is It is easy to open and does not affect the seal between the door and the case when the door is closed.
  • the refrigeration apparatus according to the present invention is simple to manufacture and low in cost.
  • the door seal includes: a claw portion, the claw portion is engaged in the recess; and an airbag portion, the airbag portion is disposed below the claw portion and When the door body is closed, the airbag portion is pressed to the top of the case to form a seal between the door body and the case.
  • the refrigerating apparatus further includes: first and second boss portions, wherein the first and second boss portions are correspondingly disposed in a part of the recess, wherein a part of the After the claw portion protrudes into the groove, the two ends thereof respectively abut on the first and second boss portions, wherein when the door body receives an upward external force, the ventilation passage is provided by another A portion of the claw portion is formed between the other portion of the groove.
  • the first boss portion includes a plurality of first sub-ribs, and the plurality of first sub-ribs are spaced apart from each other on one inner wall of the groove;
  • the second boss portion includes a plurality of second sub-protrusions, and the plurality of second sub-protrusions are disposed in the groove at a distance from each other.
  • the first and second sub-protrusions respectively extend inwardly from the inner wall of the respective side of the groove.
  • first and second sub ribs extend horizontally inwardly. In this way, the processing is convenient and the manufacturing is simple.
  • the first and second sub-protrusions respectively extend obliquely upward or downward inward. Thus, the snap seal between the jaw portions and the first and second sub-protrusions, respectively, may be more tight.
  • the first sub-ribs and the second sub-ribs are symmetrical with respect to a position of the door seal between them.
  • the first sub-protrusions and the second sub-protrusions are staggered relative to a position of the door seal between them.
  • FIG. 1 is a schematic view showing a door body of a refrigeration apparatus in a closed state according to an embodiment of the present invention
  • Figure 2 is an enlarged schematic view showing a portion A of Figure 1;
  • Figure 3 is a bottom plan view of the door body of the refrigeration apparatus shown in Figure 1;
  • Figure 4 is an enlarged schematic view showing a portion B in Figure 3;
  • Figure 5 is a schematic view of the door body of the refrigeration apparatus shown in Figure 1 when an upward external force is received, showing a schematic view of the groove at the second partial area and the door seal fitted therewith;
  • Figure 6 is an enlarged schematic view showing the portion C of Figure 5;
  • Fig. 7 is a schematic view of the door body of the refrigerating apparatus shown in Fig. 1 when an upward external force is received, showing a schematic view of the groove at the first partial portion and the door seal fitted therewith.
  • connection should be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined.
  • Connected, or connected integrally can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a refrigeration apparatus will be described below with reference to Figs.
  • the refrigeration equipment is described as an example of a refrigerator. It will be understood by those skilled in the art that the refrigeration apparatus according to an embodiment of the present invention may also be of other types such as a refrigerator, a display case, a safe, a refrigerator, and the like.
  • a refrigerating apparatus includes: a casing 1, a door body 2 for opening and closing the casing 1, and a door seal 3.
  • the top of the cabinet 1 is open for storing food.
  • the door body 2 is pivotally coupled to the top of the cabinet 1, for example, the door body 2 can be coupled to the top of the cabinet 1 via a door hinge 8.
  • the door body 2 includes a door shell 22 and a door bonnet 21 disposed in the door shell 22, and a lower concave surface 211 is formed on the lower surface of the door sill 21, and the groove 211 is adjacent to the outer edge of the lower surface of the door sill 21 and surrounds one week.
  • the groove 21 1 is wound around the lower surface of the door sill 21 as shown in Figs. 3 and 4.
  • the groove 211 is formed in a shape substantially the same as the shape of the door sill 21, for example, when the door sill 21 is rectangular, the groove 211 is also formed in a rectangular shape. As shown in Figure 3 and Figure 4.
  • the upper portion of the door seal 3 is engaged in the recess 211, and the lower portion of the door seal 3 is sealed against the top of the case 1 when the door body 2 is closed, as shown in FIG. .
  • the door seal 3 and the groove 211 form a venting passage 4, as shown in Figs. 5 and 6.
  • the door body 2 is in a closed state, and at this time, due to the weight of the door body 2, the door The seal 3 is compressed and compressed to form a seal between the door body 2 and the casing 1. There is no exchange of hot and cold air in the casing 1 and the outside, whereby the storage effect of the food in the casing 1 is good.
  • FIG. 5 and FIG. 6 when the door needs to be opened, the user lifts the door upwards, that is, gives the door an upward external force, and the door seal 3 and the groove 211 form a ventilation passage 4, and the outside air passes through the air.
  • the venting passage 4 enters the casing 1 so that the internal and external air pressures of the casing 1 are balanced, so that the door can be easily opened.
  • the door seal 3 and the door guard 2 are not displaced even though they are relatively displaced.
  • the door seal still functions as a seal after the door body 2 is closed.
  • the inner and outer air pressures of the casing 1 are formed by engaging the upper portion of the door seal 3 in the door 2 and relative displacement with respect to the door 2 to constitute the venting passage 4 so that outside air enters the casing. Balanced, so that the door is easy to open and does not affect the seal between the door body 2 and the case 1 when the door body 2 is closed again.
  • the refrigeration apparatus according to the present invention is simple to manufacture and low in cost.
  • the door seal 3 includes: a claw portion 31 and an air bag portion 32, and the claw portion 31 is engaged in the recess 21 1 , and the air bag portion 32 is provided below the claw portion 31 and the door body 2 is closed, the airbag portion 32 is pressed to the top of the casing 1 to form a seal between the door body 2 and the casing 1.
  • the upper portion of the cross section of the recess 21 1 is substantially semi-circular and the lower portion is narrowed. Thereby, the claw portion 31 is not easily detached after being engaged in the recess 211.
  • the refrigerating apparatus further includes a first boss portion 5 and a second boss portion 6, and the first boss portion 5 and the second boss portion 6 are correspondingly disposed in a portion of the recess 211, as shown in 1 - 2, 7 and 8, wherein a part of the claw portions 31 protrude into the recess 211, and the two ends thereof respectively abut against the first boss portion 5 and the second boss portion 6, wherein When the door body 2 receives an upward external force, the venting passage 4 is formed between the other portion of the claw portion 31 and the other portion of the recess 211 as shown in Figs. 5 and 6.
  • a portion of the region has the first land portion 5 and/or the second land portion 6, which is convenient for the description.
  • the first partial region of the recess 21 1 is referred to, and the remaining portion is referred to as the second partial region.
  • the interior of the recess 211 has no first boss portion 5 and second boss portion 6 .
  • FIGS. 7 and 8 are schematic views of the groove 211 at the first partial region and the door seal 3 cooperating therewith, when the user lifts the door body 2 forcefully, due to the first boss portion 5 and/or the presence of the second boss portion 6, the corresponding claw portion 31 is lifted in the recess 211 but still abuts against the first boss portion 5 and the second boss portion 6, thereby being in the first partial region There will be no ventilation channels.
  • FIG. 5 and FIG. 6 are schematic views of the groove 211 at the second partial region and the door seal 3 fitted thereto, when the user lifts the door body 2 forcefully, since there is no first boss portion 5 and The second boss portion 6, therefore, the corresponding claw portion 31 is lifted in the recess 211, whereby a venting passage 4 is formed between the claw portion 31 and the inner wall of the recess 211, so that the outside air can Entering from the venting passage 4 into the casing 1, thereby making the casing 1
  • the door body 3 can be easily opened by balancing the internal and external air pressure and then applying a small force.
  • the first boss portion 5 includes a plurality of first sub-ribs 51, and the plurality of first sub-ribs 51 are spaced apart from each other in the concave shape.
  • the second boss portion 6 includes a plurality of second sub-ribs 61, and the plurality of second sub-ribs 61 are disposed apart from each other in the recess 211. That is, the above-described first partial region and second partial region are alternately spaced from each other, so that gas can be uniformly introduced into the casing 1 to achieve an inner and outer pressure balance more quickly.
  • the first sub-protrusions 51 and the second sub-protrusions 61 extend inwardly from the inner walls of the respective sides of the recesses 211, respectively.
  • the first sub-protrusion 51 and the second sub-protrusion 61 extend horizontally inwardly, respectively, so that the processing is convenient and the manufacturing is simple.
  • the first sub-protrusion 51 and the second sub-protrusion 61 respectively extend obliquely upward or downward inwardly.
  • first sub-protrusion 51 and the second sub-protrusion 61 respectively extend obliquely from the inner wall of the corresponding side of the recess 21 1 such that the claw portion 31 and the first sub-protrusion 51 and the second sub-protrusion
  • the seal seal between 61 may be closer.
  • the present invention is not limited to the above-described molding method of the first sub-protrusion 51 and the second sub-protrusion 61.
  • the first sub-protrusion 51 and the second sub-protrusion 61 may be simultaneously injection-molded when the recess 211 is formed, that is, the first sub-protrusion 51 and the second sub-protrusion 61 are formed integrally with the recess 211.
  • the first sub-ribs 51 and the second sub-ribs 61 may also be separate parts that may be affixed into the recess 211.
  • the first sub rib 51 and the second sub rib 61 are symmetric with respect to the door seal 3 located therebetween, that is, the first sub rib 51 and the second The sub ribs 61 are symmetrical along the center line of the groove 211.
  • the first sub-protrusion 51 and the second sub-protrusion 61 are staggered with respect to the door seal 3 located therebetween, that is, the first sub-protrusion 51 and the second The sub ribs 61 are asymmetrical along the center line of the grooves 211.
  • the first sub ribs 51 and the second sub ribs 61 are staggered on both sides of the groove 211.

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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)
  • Refrigerator Housings (AREA)

Abstract

一种制冷设备,包括:箱体(1),所述箱体的顶部敞开;用于打开和关闭箱体的门体(2),所述门体可枢转地连接在箱体的顶部,门体包括门胆(21),门胆的下表面上形成有向上凹入的凹槽(211),凹槽邻近所述门胆下表面的外边缘且环绕一周;门封条(3),所述门封条的上部卡合在凹槽内,门体关闭时门封条的下部与箱体的顶部止抵密封,其中门体收到向上的外力时门封条与凹槽之间构成通气通道(4)。该制冷设备通过将门封条的上部卡合在门胆内且可以相对于门胆产生相对位移以构成通气通道,以便外界空气进入箱体内,从而箱体的内外气压平衡,这样门就很容易打开,而且不会影响再关闭门体时门体和箱体之间的密封。

Description

制冷设备
技术领域
本发明涉及一种制冷设备。 背景技术
制冷设备冷气外漏会影响制冷效果, 能耗大费电, 食物储藏效果差, 同时存在凝露 现象。 现有技术中, 为了减少冷气外漏, 冷柜产品门胆与箱体外框配合间隙设计很小, 且门封条的密封性好。
然而, 由于打开门体后外界的热空气进入冷柜内, 而关闭门体后空气温度降低, 导 致冷柜内外存在一定的压力差, 且密封性较好, 门体就被紧紧的吸附在箱体上, 特别是 容积在 200升以上, 发泡层为 90mm左右的产品, 门就很难打开, 需要借用外物敲开间 隙, 内外气压平衡后, 才可打开门。 发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。 为此, 本发明的一个目的在 于提出一种容易开门的制冷设备。
根据本发明实施例的一种制冷设备, 包括: 箱体, 所述箱体的顶部敞开; 用于打开 和关闭所述箱体的门体,所述门体可枢转地连接在所述箱体的顶部,所述门体包括门胆, 所述门胆的下表面上形成有向上凹入的凹槽,所述凹槽邻近所述门胆下表面的外边缘且 环绕一周; 门封条, 所述门封条的上部卡合在所述凹槽内, 所述门体关闭时所述门封条 的下部与所述箱体的顶部止抵密封,其中所述门体收到向上的外力时所述门封条与所述 凹槽之间构成通气通道。
根据本发明的制冷设备, 通过将门封条的上部卡合在门胆内且可以相对于门胆产生 相对位移以构成通气通道, 以便外界空气进入箱体内, 从而箱体的内外气压平衡, 这样 门就很容易打开, 而且不会影响再关闭门体时门体和箱体之间的密封。 另外, 根据本发 明的制冷设备制造简单且成本低。
根据本发明的一个实施例, 所述门封条包括: 卡爪部, 所述卡爪部卡合在所述凹槽 内; 以及气囊部, 所述气囊部设在所述卡爪部的下方且所述门体关闭时, 所述气囊部被 挤压至所述箱体的顶部以形成所述门体和所述箱体之间的密封。
优选地, 所述凹槽的横截面的上部大致呈半圆形且下部收窄。 由此, 卡爪部卡合在 凹槽内之后不易脱离。 根据本发明的一个实施例, 所述制冷设备进一步包括: 第一和第二凸台部, 所述第 一和第二凸台部相应地设在所述凹槽的其中一部分内,其中一部分所述卡爪部伸入所述 凹槽内后其两端分别止抵在所述第一和第二凸台部上,其中当所述门体收到向上的外力 时、 所述通气通道由另一部分所述卡爪部与另一部分所述凹槽之间构成。
根据本发明的一个实施例, 所述第一凸台部包括多个第一子凸条, 所述多个第一子 凸条彼此间隔开地设在所述凹槽的一侧内壁上; 第二凸台部包括多个第二子凸条, 所述 多个第二子凸条彼此间隔开地设在所述凹槽内。
根据本发明的一个实施例, 所述第一和第二子凸条分别从所述凹槽的相应侧的内壁 向内延伸得到。
可选地, 所述第一和第二子凸条分别向内水平延伸。 这样, 加工方便, 制造简单。 可选地, 所述第一和第二子凸条分别向内倾斜向上或向下延伸。 这样, 卡爪部分别 与第一和第二子凸条之间的止抵密封可能会更加紧密。
根据本发明的一个实施例, 所述第一子凸条和第二子凸条相对于位于它们之间的门 封条位置对称。
根据本发明的另一个实施例, 所述第一子凸条和所述第二子凸条相对于位于它们之 间的门封条位置交错。
本发明的附加方面和优点将在下面的描述中部分给出, 部分将从下面的描述中变得 明显, 或通过本发明的实践了解到。 附图说明
本发明的上述和 /或附加的方面和优点从结合下面附图对实施例的描述中将变得明 显和容易理解, 其中:
图 1是根据本发明实施例的制冷设备的门体处于关闭状态的示意图;
图 2是图 1中圈示 A部的放大示意图;
图 3是图 1中所示的制冷设备的门体的仰视图;
图 4是图 3中圈示 B部的放大示意图;
图 5是图 1中所示的制冷设备的门体收到向上外力时的示意图, 其中示出了第二部 分区域处的凹槽和与其配合的门封条的示意图;
图 6是图 5中圈示 C部的放大示意图;
图 7是图 1中所示的制冷设备的门体收到向上外力时的示意图, 其中示出了第一部 分区域处的凹槽和与其配合的门封条的示意图。 具体实施方式
下面详细描述本发明的实施例, 所述实施例的示例在附图中示出, 其中自始至终相 同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附 图描述的实施例是示例性的, 仅用于解释本发明, 而不能理解为对本发明的限制。
在本发明的描述中, 需要理解的是, 术语 "中心" 、 "纵向" 、 "横向" 、 "上" 、
"下" 、 "前" 、 "后" 、 "左" 、 "右" 、 "竖直" 、 "水平" 、 "顶" 、 "底" 、 "内"、 "外"等指示的方位或位置关系为基于附图所示的方位或位置关系, 仅是为了 便于描述本发明和简化描述, 而不是指示或暗示所指的装置或元件必须具有特定的方 位、 以特定的方位构造和操作, 因此不能理解为对本发明的限制。此外, 术语"第一"、 "第二 "仅用于描述目的, 而不能理解为指示或暗示相对重要性或者隐含指明所指示的 技术特征的数量。 由此, 限定有 "第一" 、 "第二" 的特征可以明示或者隐含地包括一 个或者更多个该特征。 在本发明的描述中, 除非另有说明, "多个 "的含义是两个或两 个以上。
在本发明的描述中, 需要说明的是, 除非另有明确的规定和限定, 术语 "安装" 、 "相连" 、 "连接 "应做广义理解, 例如, 可以是固定连接, 也可以是可拆卸连接, 或 一体地连接; 可以是机械连接, 也可以是电连接; 可以是直接相连, 也可以通过中间媒 介间接相连, 可以是两个元件内部的连通。 对于本领域的普通技术人员而言, 可以具体 情况理解上述术语在本发明中的具体含义。
下面参考图 1-图 8描述根据本发明实施例的制冷设备。在本发明的以下描述中, 以 制冷设备为冷柜为例进行说明。本领域内普通技术人员可以理解, 根据本发明实施例的 制冷设备还可以为其他类型, 例如冷藏柜、 展示柜、 保险柜、 冰箱等。
根据本发明实施例的制冷设备, 包括: 箱体 1、 用于打开和关闭箱体 1的门体 2和 门封条 3。 如图 1所示, 箱体 1的顶部敞开, 用于储藏食物。 门体 2可枢转地连接在箱 体 1的顶部, 例如门体 2可以通过门铰链 8连接在箱体 1的顶部。 门体 2包括门壳 22 和设在门壳 22内的门胆 21, 门胆 21的下表面上形成有向上凹入的凹槽 211, 凹槽 211 邻近门胆 21下表面的外边缘且环绕一周。也就是说, 凹槽 21 1在门胆 21的下表面上环 绕一圈, 如图 3和图 4所示。 优选地, 凹槽 211形成为与门胆 21的形状大致相同的形 状, 例如门胆 21为矩形时, 凹槽 211也形成为矩形。 如图 3和图 4所示。
如图 1、 图 5和图 7所示, 门封条 3的上部卡合在凹槽 211内, 门体 2关闭时门封 条 3的下部与箱体 1的顶部止抵密封, 如图 1所示。 门体 2收到向上的外力时门封条 3 与凹槽 211之间构成通气通道 4, 如图 5和图 6所示。
具体而言, 如图 1和图 2所示, 门体 2处于关闭状态, 此时由于门体 2的自重, 门 封条 3受压压縮, 使得门体 2和箱体 1之间形成密封, 箱体 1内和外界没有冷热空气交 换, 由此, 箱体 1内食物的储藏效果好。 如图 5和图 6所示, 需要开门时, 使用者用力 向上提门, 即给门一个向上的外力, 此时门封条 3和凹槽 211之间构成通气通道 4, 此 时外界空气通过该通气通道 4进入箱体 1内, 使得箱体 1的内外气压平衡, 这样门就很 容易打开。 同时, 由于门封条 3的上部卡合在凹槽 211内, 使得门封条 3和门胆 2虽然 有相对位移但不会脱离。 这样, 在门体 2关闭后门封依然起到密封作用。
根据本发明的制冷设备, 通过将门封条 3的上部卡合在门胆 2内且可以相对于门胆 2产生相对位移以构成通气通道 4, 以便外界空气进入箱体内, 从而箱体 1的内外气压 平衡,这样门就很容易打开,而且不会影响再关闭门体 2时门体 2和箱体 1之间的密封。 另外, 根据本发明的制冷设备制造简单且成本低。
在本发明的一些实施例中, 如图 2、 图 6和图 8所示, 门封条 3包括: 卡爪部 31 和气囊部 32, 卡爪部 31卡合在凹槽 21 1内, 气囊部 32设在卡爪部 31的下方且门体 2 关闭时, 气囊部 32被挤压至箱体 1的顶部以形成门体 2和箱体 1之间的密封。优选地, 凹槽 21 1的横截面的上部大致呈半圆形且下部收窄。 由此, 卡爪部 31卡合在凹槽 211 内之后不易脱离。
根据本发明的制冷设备, 进一步包括第一凸台部 5和第二凸台部 6, 第一凸台部 5 和第二凸台部 6相应地设在凹槽 211的其中一部分内, 如图 1-图 2、 图 7和图 8所示, 其中一部分卡爪部 31伸入凹槽 211 内后其两端分别止抵在第一凸台部 5和第二凸台部 6上, 其中当门体 2收到向上的外力时、 通气通道 4由另一部分卡爪部 31与另一部分 凹槽 211之间构成如图 5和图 6所示。
也就是说, 在凹槽 211的延伸长度上, 如图 3和图 4所示, 有一部分区域上具有第 一凸台部 5和 /或第二凸台部 6, 为了描述方便, 该部分区域称作凹槽 21 1 的第一部分 区域, 而剩下其余部分则称作第二部分区域, 在第二部分区域内, 凹槽 211的内部没有 第一凸台部 5和第二凸台部 6。
由此, 在图 7和图 8中示出的, 就是在第一部分区域处的凹槽 211和与其配合的门 封条 3的示意图, 使用者将门体 2用力向上提时, 由于第一凸台部 5和 /或第二凸台部 6的存在,相应的卡爪部 31在凹槽 211内被提起但仍止抵第一凸台部 5和第二凸台部 6 上, 从而在第一部分区域处不会出现通气通道。
而在图 5和图 6示出的是在第二部分区域处的凹槽 211和与其配合的门封条 3的示 意图, 使用者将门体 2用力向上提时, 由于没有第一凸台部 5和第二凸台部 6, 因此, 相应的卡爪部 31在凹槽 211内被提起,由此在卡爪部 31和凹槽 211的内壁之间形成了 通气通道 4, 这样, 外界的空气可以从通气通道 4进入到箱体 1内, 由此使得箱体 1的 内外气压平衡, 进而再施加较小的力即可容易打开门体 3。
在本发明的一些优选实施例中, 如图 3和图 4所示, 第一凸台部 5包括多个第一子 凸条 51, 多个第一子凸条 51彼此间隔开地设在凹槽 211的一侧内壁上; 第二凸台部 6 包括多个第二子凸条 61,多个第二子凸条 61彼此间隔开地设在凹槽 211内。也就是说, 上述的第一部分区域和第二部分区域彼此交错间隔设置, 这样, 能够使得气体能均匀地 进入箱体 1内, 更快地达到内外气压平衡。
可选地, 第一子凸条 51和第二子凸条 61分别从凹槽 211的相应侧的内壁向内延伸 得到。 例如在本发明的一些具体示例中, 如图 2和图 8所示, 第一子凸条 51和第二子 凸条 61分别向内水平延伸, 这样, 加工方便, 制造简单。 而在本发明的另一些具体示 例中, 第一子凸条 51和第二子凸条 61分别向内倾斜向上或向下延伸。 也就是说, 第一 子凸条 51和第二子凸条 61分别从凹槽 21 1 的相应侧的内壁倾斜延伸, 这样, 卡爪部 31和第一子凸条 51和第二子凸条 61之间的止抵密封可能会更加紧密。
对于上述第一子凸条 51和第二子凸条 61的成型方法, 本发明并不进行限定。 例如 第一子凸条 51和第二子凸条 61可以在形成凹槽 211时同时注塑形成,也就是第一子凸 条 51和第二子凸条 61与凹槽 211—体形成。 或者, 第一子凸条 51和第二子凸条 61 还可以分别为单独的零件, 可以粘贴到凹槽 211内。
另外, 在本发明的一些实施例中, 第一子凸条 51和第二子凸条 61相对于位于它们 之间的门封条 3位置对称, 也就是说, 第一子凸条 51和第二子凸条 61沿凹槽 211的中 心线对称。而在本发明的另一些实施例中, 第一子凸条 51和第二子凸条 61相对于位于 它们之间的门封条 3位置交错, 也就是说, 第一子凸条 51和第二子凸条 61沿凹槽 211 的中心线不对称, 例如如图 4所示, 第一子凸条 51和第二子凸条 61在凹槽 211的两侧 交错开。
下面参考图 1-图 8详细描述根据本发明实施例的制冷设备的开门过程。
首先, 门体 1处于关闭状态时, 如图 1和图 2所示, 此时由于门体 2的自重, 门封 条 3受压压縮,使得门体 2和箱体 1之间形成密封,箱体 1内和外界没有冷热空气交换, 由此, 箱体 1内食物的储藏效果好。
当门体 1需要被开启时, 使用者用力向上提门, 即给门一个向上的外力 (如图 5和 图 7中箭头所示) , 此时第二部分区域的凹槽 211和其相应的卡爪部 31之间构成通气 通道 4, 此时外界空气通过该通气通道 4进入箱体 1内, 使得箱体 1的内外气压平衡, 这样门就很容易打开。 同时, 由于卡爪部 31卡合在凹槽 21 1内, 而且还有第一部分区 域的凹槽 211上的第一凸台部 5和第二凸台部 6和其相应的卡爪部 31止抵, 从而使得 门封条 3和门胆 2虽然有相对位移但不会脱离。这样, 在门体 2关闭后门封依然起到密 封作用。
根据本发明实施例的制冷设备的其他构成例如箱体和蒸发器、冷凝器等以及操作对于本 领域普通技术人员而言都是已知的, 这里不再详细描述。
在本说明书的描述中, 参考术语 "一个实施例"、 "一些实施例"、 "示意性实施例"、 "示 例"、 "具体示例"、 或 "一些示例"等的描述意指结合该实施例或示例描述的具体特征、 结 构、 材料或者特点包含于本发明的至少一个实施例或示例中。 在本说明书中, 对上述术语 的示意性表述不一定指的是相同的实施例或示例。 而且, 描述的具体特征、 结构、 材料或 者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例, 本领域的普通技术人员可以理解: 在不脱 离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、 修改、 替换和变型, 本发明的范围由权利要求及其等同物限定。

Claims

权利要求书
1、 一种制冷设备, 其特征在于, 包括:
箱体, 所述箱体的顶部敞开;
用于打开和关闭所述箱体的门体, 所述门体可枢转地连接在所述箱体的顶部, 所述 门体包括门胆, 所述门胆的下表面上形成有向上凹入的凹槽, 所述凹槽邻近所述门胆下 表面的外边缘且环绕一周;
门封条, 所述门封条的上部卡合在所述凹槽内, 所述门体关闭时所述门封条的下部 与所述箱体的顶部止抵密封,其中所述门体收到向上的外力时所述门封条与所述凹槽之 间构成通气通道。
2、 根据权利要求 1所述的制冷设备, 其特征在于, 所述门封条包括:
卡爪部, 所述卡爪部卡合在所述凹槽内; 以及
气囊部, 所述气囊部设在所述卡爪部的下方且所述门体关闭时, 所述气囊部被挤压 至所述箱体的顶部以形成所述门体和所述箱体之间的密封。
3、 根据权利要求 2 所述的制冷设备, 其特征在于, 所述凹槽的横截面的上部大致 呈半圆形且下部收窄。
4、 根据权利要求 3所述的制冷设备, 其特征在于, 进一步包括:
第一和第二凸台部, 所述第一和第二凸台部相应地设在所述凹槽的其中一部分内, 其中一部分所述卡爪部伸入所述凹槽内后其两端分别止抵在所述第一和第二凸台 部上,
其中当所述门体收到向上的外力时、所述通气通道由另一部分所述卡爪部与另一部 分所述凹槽之间构成。
5、 根据权利要求 4所述的制冷设备, 其特征在于, 所述第一凸台部包括多个第一 子凸条, 所述多个第一子凸条彼此间隔开地设在所述凹槽的一侧内壁上;
第二凸台部包括多个第二子凸条, 所述多个第二子凸条彼此间隔开地设在所述凹槽 内。
6、 根据权利要求 5 所述的制冷设备, 其特征在于, 所述第一和第二子凸条分别从 所述凹槽的相应侧的内壁向内延伸得到。
7、 根据权利要求 6 所述的制冷设备, 其特征在于, 所述第一和第二子凸条分别向 内水平延伸。
8、 根据权利要求 6 所述的制冷设备, 其特征在于, 所述第一和第二子凸条分别向 内倾斜向上或向下延伸。
9、 根据权利要求 5-8 中任一项所述的制冷设备, 其特征在于, 所述第一子凸条和 第二子凸条相对于位于它们之间的门封条位置对称。
10、 根据权利要求 5-8中任一项所述的制冷设备, 其特征在于, 所述第一子凸条和 所述第二子凸条相对于位于它们之间的门封条位置交错。
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CN203501617U (zh) 2014-03-26
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US9506687B2 (en) 2016-11-29
EP3006869A1 (en) 2016-04-13

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