WO2012159259A1 - 用于旋转式箱门的闭门结构和具有该闭门结构的对开门冰箱 - Google Patents

用于旋转式箱门的闭门结构和具有该闭门结构的对开门冰箱 Download PDF

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Publication number
WO2012159259A1
WO2012159259A1 PCT/CN2011/074539 CN2011074539W WO2012159259A1 WO 2012159259 A1 WO2012159259 A1 WO 2012159259A1 CN 2011074539 W CN2011074539 W CN 2011074539W WO 2012159259 A1 WO2012159259 A1 WO 2012159259A1
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WO
WIPO (PCT)
Prior art keywords
door
hinge
movable plate
box
plate
Prior art date
Application number
PCT/CN2011/074539
Other languages
English (en)
French (fr)
Inventor
陈浩
李凌云
Original Assignee
合肥美的荣事达电冰箱有限公司
合肥华凌股份有限公司
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 合肥美的荣事达电冰箱有限公司, 合肥华凌股份有限公司 filed Critical 合肥美的荣事达电冰箱有限公司
Priority to US14/006,298 priority Critical patent/US8888203B2/en
Priority to PCT/CN2011/074539 priority patent/WO2012159259A1/zh
Priority to EP11866360.8A priority patent/EP2717004B1/en
Publication of WO2012159259A1 publication Critical patent/WO2012159259A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
    • E05C19/04—Ball or roller catches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E05D11/1078—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting parallel to the pivot
    • 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
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/638—Cams; Ramps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/021—French doors
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/06—Refrigerators with a vertical mullion

Definitions

  • the present invention relates to the field of refrigeration equipment, and more particularly to a closed door structure for a rotary box door and a double door water tank having the same. Background technique
  • the conventional refrigerating compartment has a large space for the refrigerating compartment and is convenient to use.
  • an active flipping beam is added in the middle of the refrigerating compartment of the opening tank. In this way, when the door is closed with force, it is easy to bounce the door on the other side due to the air pressure. Because the door closing effect is not good, the water tank door will not be tightly closed, the water tank leaks cold, and the energy consumption of the condensation is relatively low. high. Summary of the invention
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, it is an object of the present invention to provide a closed door structure for a rotary door having a better door closing effect.
  • Another object of the present invention is to provide a split door water tank having the above described closed door structure.
  • a closed door structure for a rotary box door is rotatably mounted on a casing, the closed door structure comprising: a hinge assembly, wherein The rotary box door is mounted on the box body by a hinge assembly, and a slide rail is formed on the upper end surface of the box door, the hinge assembly includes: a hinge body, the hinge body is fixed on the box body in a longitudinal direction, wherein a hinge plate provided with a hinge hole connected to a rear end of the hinge body; and a hinge shaft mated with the hinge hole; a movable plate extending in a lateral direction, the first end of the movable plate being pivotally connected to the The front end of the hinge body and the angle between the movable plate and the plane of the upper end surface of the water tank are in the range of 0-90.
  • a spring two ends of the spring are respectively connected to the front end of the movable plate and the hinge body; and a roller rotatably provided at the second end of the movable plate to follow the movement of the movable plate And snap in or slide out of the slide.
  • the door closing effect is good, and it is not easy to bounce when subjected to a disturbance external force, and the structure is simple, and the cost is low. In addition, it feels comfortable when opening and closing the door.
  • the closed door structure for a rotary box door has the following additional technical features: the closed door structure further includes an inclined plate, the inclined plate is inclined upward from the first end to the second end, wherein A first end of the inclined plate is fixed to a front end of the hinge body, and the movable plate is pivotally coupled to a second end of the inclined plate.
  • the height of the movable panel is higher than the height of the hinge body, making it easier for the roller to reach the slide of the door.
  • the closed door structure further includes a first pin, wherein the movable plate is pivotally coupled to the inclined plate by the first pin.
  • the second ends of the movable plate respectively extend two laterally and spaced apart mounting strips in a lateral direction, the closed door structure further comprising a second pin, wherein the second pin is fixed to the two mounting bars And wherein the roller is sleeved on the second pin shaft.
  • the second pin shaft is provided with two anti-slip buckles, and the anti-slip buckles are respectively disposed on two sides of the roller to prevent the roller from sliding on the second pin shaft.
  • the closed door structure further includes a support plate disposed below the movable panel, the support plate being parallel to an upper end surface of the door and the first end of the support plate being fixed to the inclined plate.
  • a door opening water tank comprising: two closed door structures according to the first aspect of the present invention; a box body, the front side of the box body is open, wherein the hinge body Provided respectively on the left and right sides of the front edge of the box; a left box door and a right box door, the left box door and the right box door being rotatably mounted on the front side of the box, respectively,
  • the slide rails are respectively disposed on the upper end faces of the left and right door doors.
  • a notch is formed on an inner side of the upper end faces of the left and right door doors, respectively, and a stop having a surface having a predetermined slope is provided at an edge of the notch, wherein the slide is blocked by the stop
  • the block is defined with the recess.
  • the slope of the stop block can reduce the sliding resistance during the process of entering the slide, thereby reducing the closing resistance.
  • stop block and the roller are both made of a polyoxymethylene material.
  • a spacer capable of adjusting the height of the left box door and the right box door is respectively provided to ensure a matching effect between the roller and the slide rails of the left box door and the right box door respectively to avoid cooperation.
  • the door closing effect is better by using the above-mentioned closed door structure.
  • the other side door does not bounce off due to the air pressure, preventing the water tank from being blocked. Leakage of cold makes the energy consumption of the condensation lower.
  • FIG. 1 is a schematic view of a closed door structure for a rotary box door according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a closing door of a closed door structure and a door according to an embodiment of the present invention
  • Figure 3 is an exploded view of the closed door structure shown in Figure 2;
  • Figure 4 is a schematic view of the slide of the box door shown in Figure 2;
  • FIG. 5 is a schematic view showing the cooperation of a closed door structure and a door when the door of the door open water tank is not closed according to an embodiment of the present invention.
  • Fig. 6 is a schematic view showing the cooperation of the closed door structure and the door of the door when the door of the door is closed as shown in Fig. 5. detailed description
  • a closed door structure 100 for a rotary box door according to an embodiment of the first aspect of the present invention will now be described with reference to Figs.
  • the following is an example in which the closed door structure 100 is used for a water tank, and the closed door structure is used between the box door 200 and the water tank case (not shown).
  • a closed door structure 100 includes: a hinge assembly 1, a movable plate 2 extending in a lateral direction, a spring 3, and a roller 4, wherein the rotary door 200 passes through the hinge assembly 1 It is mounted on the casing and a slide 210 is formed on the upper end surface of the door 200.
  • the hinge assembly 1 includes a hinge body 11 and a hinge shaft 13, and as shown in Fig. 2, the hinge body 11 is fixed to the case in the longitudinal direction, for example, the hinge body 11 is coupled to the case by a screw bolt provided on the hinge body 11.
  • the hinge plate 12 in which the hinge hole 121 is provided is coupled to the rear end of the hinge body 11, and the hinge shaft 13 cooperates with the hinge hole 121 to rotate the box door 200 relative to the case.
  • the first end of the movable panel 2 (for example, the left end in FIGS. 1-3) is pivotally coupled to the front end of the hinge body 11, and the movable panel 2 is disposed at an angle between it and the plane of the upper end surface of the water tank At 0-90.
  • the range of pivoting that is, the second end of the movable plate 2 can move up and down within a certain range, but the limit position of the downward movement is a position parallel to the horizontal plane.
  • the two ends of the spring 3 are respectively connected to the front end of the movable panel 2 and the hinge body 11, and the roller 4 is rotatably provided at the second end of the movable panel 2 to be inserted into or slid out of the slide rail 210 with the movement of the movable panel 2.
  • the movable panel 1 connected to the hinge body 11 moves around the hinge shaft 13 adjacent to the box door 200 and gradually squeezes the box door 200, at which time the roller 4 is boxed.
  • the door 200 is pressed to drive the movable plate 2 to pivot upward, and the spring 3 is elongated.
  • the roller 4 continues to move up to the upper side of the slide 210, that is, when the door 200 is closed, the elastic restoring force of the spring 3 is driven.
  • the movable panel 1 pivots downward and snaps the roller 4 into the slide 210. At this time, a door stop for the door 200 is generated, so that the door 200 is closed to prevent it from being bounced when it is disturbed.
  • the door closing effect is good, and it is not easy to bounce when subjected to a disturbance external force, and the structure is simple, and the cost is low. In addition, it feels comfortable when opening and closing the door.
  • the door closing structure 100 further includes a sloping plate 5 that slopes upward from the first end (ie, the left end in FIG. 1) to the second end (ie, the right end in FIG.
  • the door closing structure 100 further includes a first pin shaft 6, wherein the movable plate 2 is pivotally coupled to the inclined plate 5 via the first pin shaft 6. Further, the second end of the movable panel 2 respectively extends two parallel and spaced apart mounting strips 21 in the lateral direction.
  • the closed door structure 100 further includes a second pin 7 and the second pin 7 is fixed in two mountings. Between the strips 21, the roller 4 is sleeved on the second pin shaft 7, so that the roller 4 is rotatably disposed on the second end of the movable plate 2, and space can be saved.
  • the second pin shaft 7 is provided with two anti-slip buckles (not shown), and the anti-slip buckles are respectively disposed on both sides of the roller 4 to prevent the roller 4 from sliding on the second pin shaft 7.
  • the door closing structure 100 further includes a support plate 8 disposed below the movable plate 2 and parallel to the upper end surface of the door 200, wherein The first end of the support plate 8 is fixed to the inclined plate 5, for example, welded, whereby the downward limit position of the pivoting of the movable plate can be precisely restricted to be parallel with the upper end surface of the door 200, thereby preventing the upper door 200 from being attached.
  • the bump on the end face is damaged.
  • a door opening water tank includes two closed door structures, a box body, a left box door and a right box door, wherein the closed door structure is according to the embodiment of the first aspect of the present invention. Closed door structure 100.
  • the front side of the box body is open, wherein the hinge body 11 is respectively disposed on the left and right sides of the front edge of the box body, and the left box door and the right box door are respectively rotatably mounted on the front side of the box body through the hinge assembly 1, wherein the above
  • the slide rails 210 described in the embodiment are disposed on the upper end faces of the left and right door doors 200, 200, respectively.
  • a notch 201 is formed on the inner side of the upper end faces of the left and right door doors 200, respectively, and a stopper 202 is provided at the edge of the notch 201, the surface having a predetermined slope.
  • the slide 210 is defined by the stop 202 and the recess 201.
  • the stop block 202 can be secured within the recess 201 by a plurality of screws.
  • the stop block 202 and the roller 4 are both made of polyoxymethylene (POM) material.
  • the influence of the misalignment on the heat insulation effect of the water tank is avoided, and the left door 200 is And the bottom of the right door is respectively provided with a gasket (not shown) for adjusting the height of the door.
  • the movable panel 1 connected to the hinge body 11 moves around the hinge shaft 13 adjacent to the box door 200, as shown in FIG. 5, and gradually squeezes the box door 200, when closing the door Will receive some resistance.
  • the user closes the door slightly, and the roller 4 is pressed by the door 200 to drive the movable plate 1 to pivot upward.
  • the spring 3 is stretched, as shown in FIG. 6, when the roller 4 continues to move until the slide 210 is above. Box door
  • the movable panel 1 is pivoted downward and the roller 4 is snapped into the slide 21 0, as shown in FIG. 2, thereby closing the box door 200, thereby ensuring the door of the box. 2 00 closing stop.
  • the door closing effect is better by using the above-mentioned closed door structure.
  • the other side door does not bounce off due to the air pressure, preventing the water tank from being blocked. Leakage of cold makes the energy consumption of the condensation lower.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refrigerator Housings (AREA)

Abstract

提供用于旋转式箱门（200）的闭门结构（100）和具有该闭门结构（100）的对开门冰箱。所述闭门结构（100）包括铰链组件（1），上端面上形成有滑道（210）的旋转式箱门（200）通过铰链组件（1）安装在箱体上。所述铰链组件（1）包括：沿其纵向固定在箱体上的铰链本体（11），其中设有铰链孔（121）的铰链板（12）连接至铰链本体（11）的后端；与铰链孔（121）配合的铰链轴（13）；沿横向延伸的活动板（2），所述活动板（2）的第一端可枢转地连接至铰链本体（11）的前端且活动板（2）与冰箱上端面之间的角度为0-90°；两端分别连接至活动板（2）与铰链本体（11）的前端的弹簧（3）；和设在活动板（2）的第二端的可转动滚轮（4）。本闭门结构（100）可避免冰箱的箱门（200）受外力干扰意外打开且结构简单成本低。

Description

用于旋转式箱门的闭门结构和具有该闭门结构的对幵门冰箱 技术领域
本发明涉及制冷设备领域， 尤其涉及一种用于旋转式箱门的闭门结构和具有其的对 开门水箱。 背景技术
传统的对开门水箱的冷藏室空间都较大， 使用较为方便， 然而为了冷藏室的密封更 好，在对开门水箱的冷藏室中间增加有一个活动的翻转梁。这样，在用力关一边的门时， 由于气压的原因， 容易将另外一边的门弹开， 由于关门止档效果不好， 会容易造成水箱 门关不紧， 水箱漏冷， 凝露能耗较高。 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 于提出一种用于旋转式箱门的闭门结构， 所述闭门结构的关门止挡效果更好。
本发明的另一个目的在于提出一种具有上述闭门结构的对开门水箱。
根据本发明第一方面实施例的一种用于旋转式箱门的闭门结构， 所述旋转式箱门可 旋转地安装在箱体上， 所述闭门结构包括： 铰链组件， 其中所述旋转式箱门通过铰链组 件安装在所述箱体上且箱门的上端面上形成有滑道， 所述铰链组件包括： 铰链本体， 所 述铰链本体沿纵向固定在所述箱体上，其中设有铰链孔的铰链板连接至所述铰链本体的 后端； 和与所述铰链孔配合的铰链轴； 沿横向延伸的活动板， 所述活动板的第一端可枢 转地连接至所述铰链本体的前端且所述活动板与水箱上端面所在平面之间的角度范围 在 0-90。； 弹簧， 所述弹簧的两端分别连接至所述活动板与铰链本体的前端； 和滚轮， 所述滚轮可旋转地设在所述活动板的第二端以随着所述活动板的运动而卡入或滑出所 述滑道。
根据本发明实施例的闭门结构， 关门止挡效果好， 在受到千扰外力时不易弹开， 且 结构筒单， 成本低。 另外， 开关门时手感舒适。
另外， 根据本发明的用于旋转式箱门的闭门结构还具有如下附加技术特征： 所述闭门结构进一步包括倾斜板， 所述倾斜板从第一端向第二端向上倾斜， 其中所 述倾斜板的第一端与所述铰链本体的前端固定，且所述活动板可枢转地连接至所述倾斜 板的第二端。 由此活动板的高度高于铰链本体的高度， 使滚轮更易于够到箱门的滑道。
所述闭门结构进一步包括第一销轴， 其中所述活动板通过所述第一销轴与所述倾斜 板可枢转地相连。
所述活动板的第二端分别沿横向延伸出两条平行且间隔开的安装条， 所述闭门结构 进一步包括第二销轴， 所述第二销轴固定在所述两条安装条之间， 其中所述滚轮套设在 所述第二销轴上。 其中可选地， 所述第二销轴上设有两个止滑扣， 所述止滑扣分别设在所述滚轮的两 侧， 以防止滚轮在第二销轴上往来滑动。
所述闭门结构进一步包括设在所述活动板的下方的支撑板， 所述支撑板与箱门上端 面平行且所述支撑板的第一端与所述倾斜板固定。由此可精确限制活动板的枢转的向下 极限位置为与箱门的上端面平行， 从而可防止对箱门的上端面的磕碰损坏。
根据本发明第二方面实施例的一种开门水箱， 包括： 两个根据本发明第一方面实施 例中所述的闭门结构； 箱体， 所述箱体前侧敞开， 其中所述铰链本体分别设在所述箱体 的前边沿的左、 右侧； 左箱门和右箱门， 所述左箱门和右箱门分别可旋转地安装在所述 箱体的前侧， 其中所述滑道分别设在所述左箱门和右箱门的上端面上。
在所述左箱门和右箱门的上端面的内侧分别形成有凹口， 且在所述凹口的边缘设有 表面具有预定坡度的止挡块， 其中所述滑道由所述止挡块与所述凹口限定出。
这样， 关门过程中， 滚轮在进入到滑道的过程中， 通过该止挡块的坡度可减小滑动 阻力， 进而减小了关门阻力。
可选地， 所述止挡块和所述滚轮均由聚甲醛材料制成。
可选地， 在所述左箱门和右箱门的底部分别设有可调节其高度的垫片， 以保证滚轮 分别与左箱门和右箱门的滑道之间的配合效果，避免配合错位对水箱保温效果带来的影 响，
根据本发明实施例的对开门水箱， 通过釆用上述闭门结构， 关门止挡效果更好， 在 用力关一边的门时， 另一边的门不会由于气压的原因而弹开， 防止了水箱漏冷， 使得凝 露能耗较低。
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。 踏图说明
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用于旋转式箱门的闭门结构的示意图；
图 2是根据本发明实施例的闭门结构与箱门配合的关门示意图；
图 3是图 2中所示的闭门结构的爆炸图；
图 4是图 2中所示的箱门的滑道的示意图；
图 5是根据本发明实施例的对开门水箱的箱门还未关闭时的闭门结构与箱门的配合 示意图； 和
图 6是图 5中所示的对开门箱门正在关闭时的闭门结构与箱门的配合示意图。 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 本发明和筒化描述， 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。
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 6 描述根据本发明第一方面实施例的用于旋转式箱门的闭门结构 100。 下面以闭门结构 100用于水箱为例进行说明， 其中闭门结构用于箱门 200和水箱 箱体 （图未示出）之间。
如图 1-图 6所示， 根据本发明实施例的闭门结构 100, 包括： 铰链组件 1、 沿横向 延伸的活动板 2、 弹簧 3和滚轮 4, 其中旋转式箱门 200通过铰链组件 1安装在箱体上 且箱门 200的上端面上形成有滑道 210。
铰链组件 1 包括铰链本体 11和铰链轴 13, 如图 2中所示，铰链本体 11沿纵向固定 在箱体上， 例如铰链本体 11通过设在铰链本体 11上的螺孔螺栓连接在箱体上， 其中设 有铰链孔 121的铰链板 12连接至铰链本体 11的后端， 铰链轴 13与铰链孔 121配合以 将箱门 200相对于箱体可旋转。
活动板 2的第一端 （例如如图 1-图 3中的左端） 可枢转地连接至铰链本体 11的前 端，且活动板 2被设置成在其与水箱上端面所在平面之间的角度在 0-90。的范围内枢转， 也就是说， 活动板 2的第二端可在一定范围内上下运动，但向下运动的极限位置为与水 平面平行的位置。 弹簧 3的两端分别连接至活动板 2与铰链本体 11的前端， 滚轮 4可 旋转地设在活动板 2的第二端以随着活动板 2的运动而卡入或滑出滑道 210。
如图 4-图 6所示， 箱门 200关闭到一定位置时， 与铰链本体 11连接的活动板 1绕 铰链轴 13运动邻近箱门 200并逐渐挤压箱门 200, 此时滚轮 4被箱门 200挤压， 带动 活动板 2向上枢转， 此时弹簧 3被拉长， 当滚轮 4继续运动直到滑道 210的上方时， 即 箱门 200关上时， 由于弹簧 3的弹性回复力， 带动活动板 1向下枢转并使滚轮 4卡入到 滑道 210内， 此时产生了对箱门 200的关门止挡， 使得箱门 200关紧， 防止受到千扰时 易被弹开。
根据本发明实施例的闭门结构， 关门止挡效果好， 在受到千扰外力时不易弹开， 且 结构筒单， 成本低。 另外， 开关门时手感舒适。 在本发明的一个实施例中， 闭门结构 100进一步包括倾斜板 5, 倾斜板 5从第一端 (即图 1中的左端）向第二端（即图 1中的右端）向上倾斜， 其中倾斜板 5的第一端与 铰链本体 11的前端固定， 且活动板 1可枢转地连接至倾斜板 5的第二端， 由此活动板 2的高度高于铰链本体 11的高度， 使滚轮 4更易于够到箱门 200的滑道 210。
如图 1-图 3所示， 根据本发明一个实施例的闭门结构 100进一步包括第一销轴 6, 其中活动板 2通过第一销轴 6与倾斜板 5可枢转地相连。进一步地， 活动板 2的第二端 分别沿横向延伸出两条平行且间隔开的安装条 21, 此时闭门结构 100进一步包括第二 销轴 7, 第二销轴 7 固定在两条安装条 21之间， 其中滚轮 4套设在第二销轴 7上， 这 样滚轮 4可旋转地设在了活动板 2的第二端上， 且可节省空间。
可选地， 第二销轴 7上设有两个止滑扣 （图未示出） ， 止滑扣分别设在滚轮 4的两 侧， 以防止滚轮 4在第二销轴 7上往来滑动。
在本发明的一些实施例中，如图 1-图 3中所示，闭门结构 100进一步包括支撑板 8, 支撑板 8设在活动板 2的下方， 并且与箱门 200上端面平行， 其中支撑板 8的第一端与 倾斜板 5固定， 例如焊接， 由此可精确限制活动板的枢转的向下极限位置为与箱门 200 的上端面平行， 从而可防止对箱门 200的上端面的磕碰损坏。
可以理解的是， 根据本发明实施例的闭门结构还可用于其他类型的箱门及拒门中。 根据本发明第二方面实施例的一种对开门水箱， 包括两个闭门结构、 箱体、 左箱门 和右箱门， 其中闭门结构均为根据本发明第一方面实施例中所述的闭门结构 100。 箱体 前侧敞开， 其中铰链本体 11分别设在箱体的前边沿的左、 右侧， 左箱门和右箱门分别 通过铰链组件 1 可旋转地安装在箱体的前侧， 其中上述第一方面实施例中描述的滑道 210分别设在左箱门 200和右箱门的上端面上。
具体地，如图 5中所示，在左箱门 200和右箱门的上端面的内侧分别形成有凹口 201 , 且在凹口 201的边缘设有止挡块 202,表面具有预定坡度的，其中滑道 210由止挡块 202 与凹口 201限定出。 这样， 关门过程中， 滚轮 4在进入到滑道 210的过程中， 通过该止 挡块 202的坡度可减小滑动阻力， 进而减小了关门阻力。
可选地， 止挡块 202可通过多个螺钉固定在凹口 201 内。 可选地， 止挡块 202和滚 轮 4均由聚甲醛材料 （POM) 制成。
在本发明的一些实施例中， 为了保证滚轮 4分别与左箱门 200和右箱门的滑道 210 之间的配合效果，避免配合错位对水箱保温效果带来的影响，在左箱门 200和右箱门的 底部分别设有可调节箱门高度的垫片 （图未示出） 。
下面参考图 5、 图 6和图 2描述根据本发明实施例的对开门水箱的箱门开关时的工 作过程， 此处仍以左箱门开关为例进行说明。
首先， 关门过程中， 箱门 200关闭到一定位置时， 与铰链本体 11 连接的活动板 1 绕铰链轴 13运动邻近箱门 200, 如图 5所示, 并逐渐挤压箱门 200, 关门时会受到一定 的阻力。用户稍微用力将门关上，此时滚轮 4被箱门 200挤压，带动活动板 1向上枢转， 此时弹簧 3被拉伸， 如图 6所示， 当滚轮 4继续运动直到滑道 210的上方时， 即箱门 200关上时， 由于弹簧 3的弹性回复力， 带动活动板 1向下枢转并使滚轮 4卡入到滑道 21 0内， 如图 2所示， 从而将箱门 200关紧， 保证了箱门 2 00的关门止挡。
开门过程中， 与上述关门过程正好相反。 用户稍用力将滚轮 4从滑道 21 0中拉出到 止挡块 202上， 带动活动板 2向上枢转， 此时弹簧 3被拉伸， 如图 6所示。 当箱门 200 开到一定的程度时， 滚轮 4离开止挡块 2 02 , 弹簧 3恢复， 带动活动板 2向下运动， 如 图 5所示， 完成开门过程。
根据本发明实施例的对开门水箱的其他构成例如冷藏室中央的翻转梁、 冷藏冷冻控 制和制冷系统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。
根据本发明实施例的对开门水箱， 通过釆用上述闭门结构， 关门止挡效果更好， 在 用力关一边的门时， 另一边的门不会由于气压的原因而弹开， 防止了水箱漏冷， 使得凝 露能耗较低。
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、 一种用于旋转式箱门的闭门结构， 所述旋转式箱门可旋转地安装在箱体上， 其 特征在于， 所述闭门结构包括：
铰链组件， 其中所述旋转式箱门通过铰链组件安装在所述箱体上且箱门的上端面上 形成有滑道， 所述铰链组件包括：
铰链本体， 所述铰链本体沿纵向固定在所述箱体上， 其中设有铰链孔的铰链板连接 至所述铰链本体的后端； 和
与所述铰链孔配合的铰链轴；
沿横向延伸的活动板， 所述活动板的第一端可枢转地连接至所述铰链本体的前端且 所述活动板与水箱上端面所在平面之间的角度范围在 0 - 90。；
弹簧， 所述弹簧的两端分别连接至所述活动板与铰链本体的前端； 和
滚轮， 所述滚轮可旋转地设在所述活动板的第二端以随着所述活动板的运动而卡入 或滑出所述滑道。
2、 根据权利要求 1 所述的闭门结构， 其特征在于， 进一步包括倾斜板， 所述倾斜 板从第一端向第二端向上倾斜， 其中所述倾斜板的第一端与所述铰链本体的前端固定， 且所述活动板可枢转地连接至所述倾斜板的第二端。
3、 根据权利要求 2 所述的闭门结构， 其特征在于， 进一步包括第一销轴， 其中所 述活动板通过所述第一销轴与所述倾斜板可枢转地相连。
4、 根据权利要求 1 所述的闭门结构， 其特征在于， 所述活动板的第二端分别沿横 向延伸出两条平行且间隔开的安装条，
所述闭门结构进一步包括第二销轴， 所述第二销轴固定在所述两条安装条之间， 其 中所述滚轮套设在所述第二销轴上。
5、 根据权利要求 4 所述的闭门结构， 其特征在于， 所述第二销轴上设有两个止滑 扣， 所述止滑扣分别设在所述滚轮的两侧。
6、 根据权利要求 3- 5 中任一项所述的闭门结构， 其特征在于， 进一步包括设在所 述活动板的下方的支撑板，所述支撑板与箱门上端面平行且所述支撑板的第一端与所述 倾斜板固定。
7、 一种对开门水箱， 其特征在于， 包括：
两个根据权利要求 1 -6中任一项所述的闭门结构；
箱体， 所述箱体前侧敞开， 其中所述铰链本体分别设在所述箱体的前边沿的左、 右 侧；
左箱门和右箱门， 所述左箱门和右箱门分别可旋转地安装在所述箱体的前侧， 其中 所述滑道分别设在所述左箱门和右箱门的上端面上。
8、 根据权利要求 7 所述的对开门水箱， 其特征在于， 在所述左箱门和右箱门的上 端面的内侧分别形成有凹口， 且在所述凹口的边缘设有表面具有预定坡度的止挡块， 其 中所述滑道由所述止挡块与所述凹口限定出。
9、 根据权利要求 8 所述的对开门水箱， 其特征在于， 所述止挡块和所述滚轮均由 聚甲醛材料制成。
10、 根据权利要求 7所述的对开门水箱， 其特征在于， 在所述左箱门和右箱门的底 部分别设有可调节其高度的垫片。
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US8888203B2 (en) 2014-11-18

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