WO2019206093A1 - 闭门器及具有该闭门器的冰箱 - Google Patents

闭门器及具有该闭门器的冰箱 Download PDF

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Publication number
WO2019206093A1
WO2019206093A1 PCT/CN2019/083724 CN2019083724W WO2019206093A1 WO 2019206093 A1 WO2019206093 A1 WO 2019206093A1 CN 2019083724 W CN2019083724 W CN 2019083724W WO 2019206093 A1 WO2019206093 A1 WO 2019206093A1
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WO
WIPO (PCT)
Prior art keywords
cam
adapter
hinge
door closer
shaft
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/083724
Other languages
English (en)
French (fr)
Inventor
何文华
王宁
蒋孝奎
朱兆云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier Co Ltd
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 Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to MX2020011113A priority Critical patent/MX2020011113A/es
Priority to AU2019258466A priority patent/AU2019258466A1/en
Priority to EP19791803.0A priority patent/EP3786400A4/en
Publication of WO2019206093A1 publication Critical patent/WO2019206093A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • 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
    • E05D11/105—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 perpendicularly to the pivot axis
    • E05D11/1064—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 perpendicularly to the pivot axis with a coil spring perpendicular to the pivot axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/0009—Adjustable hinges
    • E05D7/0018—Adjustable hinges at the hinge axis
    • E05D7/0027—Adjustable hinges at the hinge axis in an axial direction
    • 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
    • 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
    • E05Y2201/10—Covers; Housings
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/418—Function thereof for holding
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/31—Linear motion
    • E05Y2600/314—Vertical motion
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/74—Specific positions
    • E05Y2800/75—Specific positions intermediate
    • 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
    • F25D2323/024—Door hinges

Definitions

  • the present invention relates to the field of household appliances, and in particular to a door closer and a refrigerator having the same.
  • the hinge assembly including a hinge plate 11 and an adapter 12 rotatably coupled to the hinge plate 11.
  • the hinge plate 11 is fixed on the box body of the refrigerator, and the door body of the refrigerator is fixed on the adapter member 12, thereby realizing the pivotal connection between the box body and the door body.
  • the adapter 12 is generally formed with a hook-shaped stop 120.
  • the hinge plate 11 is formed with a protrusion 110 corresponding to the stop 120.
  • the hook of the stop 120 can hook the boss 110 to maintain the closed state of the door.
  • this technical means of keeping the door closed is as follows:
  • the stop 120 of the prior art needs to be deformed during the closing of the door to hook on the raised portion 110 of the hinge plate 11. If the size of the hook of the stop 120 is too small, after the door body is closed, there may be a situation in which the engagement between the stop 120 and the boss 110 is not tight, thereby causing the door to be closed tightly; and if the size of the hook of the stop 120 is small If the door body is closed, the stop 120 is required to have a large deformation, and the stopper 120 may be seriously worn or even directly broken during use of the refrigerator.
  • the present invention is directed to at least one of the technical problems existing in the prior art.
  • the present invention provides a door closer which is specifically designed as follows.
  • a door closer includes a hinge plate, a hinge shaft disposed on the hinge plate, and an adapter disposed rotatably around the hinge shaft, the door closer further comprising a cam disposed on the hinge shaft, The peripheral side of the cam is contracted toward the inner direction of the cam to form a first recessed area, and the adaptor is provided with an elastic mechanism, and the elastic mechanism has an abutting end elastically abutting to the periphery of the cam; During the rotation of the adapter, the abutting end moves relative to the periphery of the cam, and when the adapter turns to the side of the first recessed area of the cam, the abutting end enters the first a recessed area to lock the positional relationship between the adapter and the hinge plate.
  • the adapter is a casing
  • the casing includes a top plate and a bottom plate disposed opposite to each other, and a seating cavity for arranging the elastic mechanism is formed between the top plate and the bottom plate, and the top plate is The bottom plate extends toward the hinge axis to form a top plate extending portion and a bottom plate extending portion respectively on the upper and lower sides of the cam, and the top plate extending portion and the bottom plate extending portion are both provided for the transfer a rotating hole that rotates around the hinge axis.
  • the elastic mechanism includes a spring and an elastic release portion, the spring is disposed in the positioning cavity in a radial direction of the hinge shaft, and an end thereof away from the hinge shaft is fixed relative to the housing Providing; the elastic releasing portion is located between the spring and the cam to apply an elastic force of the spring to the periphery of the cam, and the abutting end is formed at one end of the elastic releasing portion near the hinge shaft .
  • the elastic release portion includes a bracket and a roller, the bracket is abutted against the spring, and the bracket is formed on a side of the spring with a bracket tail extending to the inside of the spring, the roller Rotating is disposed at an end of the bracket away from the spring and constitutes the abutting end, and the axis of rotation of the roller is parallel to the axis line of rotation of the adapter.
  • top plate and the bottom plate are formed with elongated guiding holes along a radial direction of the hinge shaft, and the two ends of the roller respectively extend into the guiding holes to define the roller along the hinge A guide fitting portion that moves in the radial direction of the shaft.
  • the upper and lower sides of the cam are respectively provided with an upper bushing and a lower bushing sleeved outside the hinge shaft, and the top plate extending portion and the bottom plate extending portion are respectively matched by the rotating holes
  • the bushing and the lower bushing are described.
  • a side of the periphery of the cam opposite to the first recessed area is further recessed to form a second recessed area, and when the adapter is turned to the side of the second recessed area of the cam, the The terminal enters the second recessed area to lock the positional relationship between the adapter and the hinge plate.
  • a surface of the periphery of the cam that moves at the abutting end is further recessed to form at least one third recessed area, when the adapter is turned When the position of the third recessed portion of the cam is reached, the abutting end enters the third recessed area to lock the positional relationship between the adapter and the hinge plate.
  • the hinge shaft includes a first shaft body and a second shaft body, the first shaft body is fixed to the hinge plate and an inner portion thereof is formed with an assembly hole in a height direction, and the second shaft body is a rod The lower end is non-rotatably fitted in the fitting hole.
  • the mounting hole is vertically penetrated, and the mounting hole is screwed into a screw with a height adjustable, and the lower end of the second shaft abuts against the top of the screw.
  • the present invention also provides a refrigerator including a cabinet having a accommodating compartment and a door body covering the accommodating compartment, the refrigerator further including the door closer described above, the closed door
  • the hinge plate of the device is fixed to the box body, the door body is fixed to the adapter, and when the door body is closed, the adapter is turned to the first of the cam One side of the recessed area to keep the door body closed.
  • the invention has the beneficial effects that: according to the door closer structure provided by the invention, in the application scenario that the door body is closed, the door closer can ensure that the door body is tightly closed without damaging the components, and can satisfy the user's long-term. Reliable use requirements.
  • Figure 1 is a plan view showing the hinge assembly when the door body is opened in the prior design
  • Figure 2 is a perspective view showing the hinge assembly when the door body is closed in the prior design
  • Figure 3 is a schematic view showing the overall structure of the door closer of the present invention.
  • Figure 4 is a schematic exploded view of the door closer shown in Figure 3;
  • Figure 5 is a schematic view showing the separation of the elastic mechanism
  • Figure 6 is a schematic view showing the cutoff at the position A-A' in Figure 3;
  • Figure 7 is a schematic view showing the rotation of the adapter
  • Figure 8 is a schematic view of the cam, the upper bushing, the lower bushing and the second shaft body before mating;
  • Figure 9 is a schematic view showing the structure of the cam of Figure 8 fitted to the second shaft body
  • Figure 10 is a schematic view showing the cutoff at the position B-B' in Figure 3;
  • Figure 11 is a schematic view showing the door closer of the present invention before being engaged with the door body
  • Figure 12 is an enlarged schematic view of a portion c in Figure 11;
  • Figure 13 is a partial schematic view of the door closer and the door body.
  • FIG. 3 to FIG. 13 are preferred embodiments of the present invention.
  • the refrigerator according to the present invention includes a casing (not shown) having a compartment, a door body 3 covering the accommodation compartment, and a connection box and
  • the door closer 200 of the door body 3, as shown in the figure, is fixed to the case body by the hinge plate 21 of the door closer 200, and the door body 3 is fixed to the adapter member 23.
  • the bottom side of the door body 3 is recessed upwardly to form a recess 30, and the adapter 23 is embedded and fixed in the recess 30 to realize the connection between the door body 3 and the door closer 200; the door closer 200
  • the fixing portion 210 is fixed to the box body through the fixing portion 210 on the hinge plate 21.
  • the fixing portion 210 is provided with a fixing hole (not shown), and the screw passes through the through hole to fix the hinge plate 21 to the refrigerator. On the box.
  • the door closer 200 according to the present invention will be further described below.
  • the door closer 200 includes a hinge plate 21, a hinge shaft 22 provided on the hinge plate 21, and an adapter 23 rotatably disposed about the hinge shaft 22.
  • the hinge shaft 22 includes a first shaft body 221 and a second shaft body 222.
  • the first shaft body 221 is fixed on the hinge plate 21 and has an assembly hole 2210 formed in the height direction thereof.
  • the second shaft body 222 is rod-shaped and the lower end is non-rotatably fitted in the fitting hole 2210 of the second shaft body 222.
  • the hinge shaft 22 may be integrally formed, or more shaft bodies may be spliced, and specifically, no expansion is performed here.
  • the door closer 200 of the present invention further includes a cam 24 disposed on the hinge shaft 22.
  • the cam 24 is formed with an assembly hole 240 (not shown), and the second shaft 222 passes through The fitting hole 240 forms a fixing to the cam 24.
  • the peripheral side of the cam 24 is contracted toward the inner direction of the cam 24 to form a first recessed area 241;
  • the adapter member 23 is provided with an elastic mechanism, and the elastic mechanism has an abutting end elastically abutting to the periphery of the cam 24;
  • the abutting end of the elastic mechanism moves relative to the periphery of the cam 24, and when the adapter 23 is turned to the side of the first recessed portion 241 of the cam 24, the abutting end enters the first recess.
  • the positional relationship between the lock adapter 23 and the hinge plate 21 is defined in the area 241.
  • the adapter 23 just rotates to the side of the first recessed area 241 of the cam 24, so that the door body 3 can be kept in the closed state.
  • the first recessed area 241 is gradually contracted from the periphery of the cam 24 toward the inner direction of the cam to form an indented arc surface.
  • the abutting end of the elastic mechanism is close to the first recessed area 241 At the edge, under the elastic force of the elastic mechanism, the abutting end can move toward the inside of the first recessed area 241, thereby achieving complete closing of the door body 3.
  • the present embodiment also has the following optimized arrangement: Referring to FIG.
  • the elastic mechanism can also provide the door body 3 with a force that urges it to continue to rotate in the closing direction of the door body 3, thereby ensuring that the door body 3 is closed tightly.
  • a side surface which is in contact with the abutting end during the opening process of the door body 3 is a circular arc surface.
  • the spring 235 serves as an elastic force providing member of the elastic mechanism, and there is no compression or expansion process, so that the adapter member 23 is opposite.
  • the hinge shaft 22 is smoothly rotated, that is, the opening process of the door body 3 can be ensured smoothly.
  • the adapter 23 is a casing, and the casing includes a top plate 231 and a bottom plate 232 disposed opposite each other, and between the top plate 231 and the bottom plate 232.
  • a mounting cavity 230 is disposed, and a top plate 231 and a bottom plate 232 are formed in the direction of the hinge axis 22, and a top plate extending portion 2310 and a bottom plate extending portion 2320 respectively on the upper and lower sides of the cam 24, a top plate extending portion 2310 and a bottom plate are formed.
  • the extending portions 2320 are each provided with a rotating hole 234 for the adapter member 23 to rotate about the hinge shaft 22.
  • the elastic mechanism includes a spring 235 and an elastic release portion.
  • the spring 235 is pressed in the radial direction of the hinge shaft 222 and disposed in the positioning cavity 230, and the end of the spring away from the hinge shaft 222 is opposite to the shell.
  • Body fixed settings.
  • a baffle 233 is disposed at one end of the housing away from the top plate extending portion 2310 and the bottom plate extending portion 2320. The one end of the spring 235 away from the hinge shaft 222 is abutted and fixed to the baffle 233 side.
  • the elastic releasing portion in the present invention is located between the spring 235 and the cam 24 to apply the elastic force of the spring 235 to the periphery of the cam 24, and the end of the elastic releasing portion close to the hinge shaft 222 constitutes the abutting end described above.
  • the elastic release portion includes a bracket 236 and a roller 237.
  • the bracket 236 is abutted against the spring 235, and the bracket 236 is formed on the side of the spring 235 with a bracket tail 2360 extending to the inside of the spring 235.
  • the bracket tail 2360 ensures that the bracket 236 does not leave the spring 235.
  • the roller 237 is rotatably disposed at one end of the bracket 236 away from the spring 235. In this embodiment, the roller 237 constitutes the abutting end described above.
  • the roller 237 is internally formed with a rolling shaft 2371 for rotating, and a side of the bracket 236 away from the spring 235 is vertically formed with a pair of supporting pieces (not shown), and a pair of supporting pieces are formed and rolled.
  • the shaft 2371 is fitted with a receiving groove 2361.
  • the rolling shaft 2371 is fitted into the receiving groove 2361 to abut against the periphery of the cam 24 under the elastic force of the spring 235.
  • the axis of the rotation of the roller 237 is parallel to the transfer. The axis of rotation of the piece 23 is rotated.
  • the top plate 231 and the bottom plate 232 are formed with elongated guide holes 238 along the radial direction of the hinge shaft 22, and the upper and lower ends of the rolling shaft 2371 of the roller 237 are respectively
  • the guide holes 238 extend into the top plate 231 and the bottom plate 232; the upper and lower ends of the rolling shaft 2371 in this embodiment constitute a guide fitting portion that defines the movement of the roller 237 in the radial direction of the hinge shaft 22.
  • the upper and lower sides of the cam 24 are respectively provided with an upper bushing 251 and a lower bushing 252 which are sleeved outside the hinge shaft 22 , and the top plate extending portion 2310 and The bottom plate extending portion 2320 is fitted to the outside of the upper bushing 251 and the lower bushing 252 through the rotating holes 234, respectively.
  • the upper bushing 251, the cam 24, and the lower bushing 252 are sleeved outside the second shaft body 222 from top to bottom.
  • the cam 24 in the present invention is non-rotatable with respect to the second shaft body 222.
  • the fitting hole 240 in the middle of the cam 24 is disposed in a non-circular shape, and the second shaft body 222 is provided with a cam fitting portion that coincides with the fitting hole 240.
  • the upper and lower sides of the mounting portion 2220 are provided with an upper bushing fitting portion 2221 and a lower bushing fitting portion 2222 for assembling the upper bushing 251 and the lower bushing 252, wherein the lower bushing fitting portion 2222 has a protruding portion A projection (not shown) on the surface of the fitting portion 2220 can prevent the cam 24 from moving downward along the second shaft 222.
  • the upper bushing 251 and the lower bushing 252 are both rotatably disposed relative to the second shaft body 222, and the top plate extending portion 2310 and the bottom plate extending portion 2320 are fixedly disposed with respect to the upper bushing 251 and the lower bushing 252, respectively.
  • the rotating hole 234 is formed as a non-circular shaped hole
  • the upper bushing 251 and the lower bushing 252 are respectively formed with an upper rotating hole engaging portion 2510 and a lower rotating hole engaging portion 2520 that cooperate with the rotating hole 234.
  • the upper bushing 251 and the lower bushing 252 are also disposed to be non-rotatable relative to the second shaft body 222, and the through hole 234 on the top plate extending portion 2310 and the bottom plate extending portion 2320 is circular. A hole, thereby achieving a rotational setting of the adapter 23 relative to the hinge shaft 22.
  • a side of the periphery of the cam 24 opposite to the first recessed portion 241 is further recessed to form a second recessed portion 242 when the adapter 23 is turned to the cam.
  • the abutting end ie, the roller 237 enters the second recessed area 242 to lock the positional relationship between the adapter 23 and the hinge plate 21.
  • the roller 237 enters the second recessed area 242 to position the door body 3 at a certain opening angle, so that the user When the inside of the refrigerator is taken and placed, the door body 3 does not rotate at will.
  • the surface of the cam 24 that is rolled around the roller 237 is further recessed to form at least one third recessed area (not shown).
  • the three recessed area is located between the first recessed area and the second recessed area.
  • the roller 237 enters the third recessed area to lock the adapter 23
  • the mounting hole 2210 of the first shaft body 221 is a non-circular hole, and the lower end 2223 of the second shaft body 222 is matched with the non-circular hole to avoid the first shaft body. 221.
  • the second shaft body 222 is relatively rotated.
  • the mounting hole 2210 is vertically penetrated, and the mounting hole 2210 is internally screwed with a height-adjustable screw 26, and the lower end of the second shaft 222 abuts against the top of the screw 26. Based on the setting manner, if the door body 3 is drooped during use of the refrigerator, the door body 3 can be indirectly adjusted by rotating the screw 26 upward to raise the height position of the second screw 222 and the rotating member 23. the height of.

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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)
  • Refrigerator Housings (AREA)
  • Hinges (AREA)

Abstract

闭门器（200），包括铰链板（21）、设置于铰链板（21）上的铰链轴（22）以及绕铰链轴（22）转动设置的转接件（23），闭门器（200）还包括设置于铰链轴（22）上的凸轮（24），凸轮（24）周边一侧朝凸轮（24）内部方向收缩形成第一凹陷区（241），转接件（23）内设置有弹性机构，弹性机构具有弹性抵接至凸轮（24）周边的抵接端；于转接件（23）转动过程中，抵接端相对凸轮（24）周边移动，且当转接件（23）转至凸轮（24）的第一凹陷区（241）一侧时，抵接端进入第一凹陷区（241）内以锁定转接件（23）与铰链板（21）的位置关系。

Description

闭门器及具有该闭门器的冰箱
本申请要求了申请日为2018年4月24日，申请号为201810374364.4，发明名称为“闭门器及具有该闭门器的冰箱”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及家用电器领域，尤其涉及一种闭门器及具有该闭门器的冰箱。
背景技术
参考图1、图2所示，其所展示的是现有设计中一种铰链组件结构，该铰链组件包括铰链板11以及转动连接于铰链板11上的转接件12。其中，铰链板11固定于冰箱的箱体上，冰箱的门体固定于转接件12上，从而实现箱体与门体的枢接。于现有技术中，转接件12上通常形成有一弯钩形状的止挡120，铰链板11上形成有与该止挡120相对应的凸起部110；参考图2所示，基于以上结构，在冰箱的门体关闭后，止挡120的弯钩可勾住该凸起部110，从而保持门体的关闭状态。然而此种保持门体关闭的技术手段存在以下不足：
现有技术中的止挡120在门体关闭过程中需要产生一定的形变方可勾在铰链板11的凸起部110上。如果止挡120的弯钩尺寸太小，门体关闭后，止挡120与凸起部110之间可能出现配合不紧从而导致门体关闭不严的情况；而如果止挡120的弯钩尺寸太大，门体关闭时则需要止挡120产生较大形变，又会在冰箱使用过程中会造成止挡120磨损严重甚至是直接折断等问题。
有鉴于此，有必要提供一种闭门器及具有该闭门器的冰箱以解决上述问题。
发明内容
本发明旨在至少解决现有技术存在的技术问题之一，为实现上述发明目的，本发明提供了一种闭门器，其具体设计方式如下。
一种闭门器，包括铰链板、设置于所述铰链板上的铰链轴以及绕所述铰链轴转动设置的转接件，所述闭门器还包括设置于所述铰链轴上的凸轮，所述凸轮周边一侧朝所述凸轮内部方向收缩形成第一凹陷区，所述转接件内设置有弹性机构，所述弹性机构具有弹性抵接至所述凸轮周边的抵接端；于所述转接件转动过程中，所述抵接端相对所述凸轮周边移动，且当所述转接件转至所述凸轮的第一凹陷区一侧时，所述抵接端进入所述第一凹陷区内以锁定所述转接件与所述铰链板的位置关系。
进一步，所述转接件为一壳体，所述壳体包括上下相对设置的顶板与底板，所述顶板与所述底板之间形成有安置所述弹性机构的安置腔，且所述顶板与所述底板朝所述铰链轴方向延伸形成有分别位于所述凸轮上、下两侧的顶板延伸部与底板延伸部，所述顶板延伸部与所述底板延伸部均设置有供所述转接件绕所述铰链轴转动的转动孔。
进一步，所述弹性机构包括弹簧及弹力释放部，所述弹簧沿所述铰链轴径向方向挤压的设置于所述安置腔内，且其远离所述铰链轴的一端相对所述壳体固定设置；所述弹力释放部位于所述弹簧与所述凸轮之间以将所述弹簧的弹力施加于所述凸轮周边，所述抵接端形成于所述弹力释放部靠近所述铰链轴的一端。
进一步，所述弹力释放部包括支架与滚柱，所述支架与所述弹簧抵接设置，且所述支架于所述弹簧一侧形成有延伸至所述弹簧内部的支架尾，所述滚柱转动的设置于所述支架远离所述弹簧的一端并构成所述抵接端，所述滚柱转动的轴心线平行于所述转接件转动的轴心线。
进一步，所述顶板与所述底板沿所述铰链轴径向方向形成有长条形导向孔，所述滚柱两端分别具有延伸至所述导向孔内以限定所述滚柱沿所述铰链轴径向方向移动的导向配合部。
进一步，所述凸轮上、下两侧分别设置有套设于所述铰链轴外的上衬套及下衬套，所述顶板延伸部与所述底板延伸部通过所述转动孔分别配合于所述上衬套及下衬套外。
进一步，所述凸轮周边与所述第一凹陷区相背的一侧还凹陷形成有第二凹陷区，当所述转接件转至所述凸轮的第二凹陷区一侧时，所述抵接端进入所述第二凹陷区内以锁定所述转接件与所述铰链板的位置关系。
进一步，在所述第一凹陷区与所述第二凹陷区之间，所述凸轮周边于所述抵接端移动的表面还凹陷形成有至少一个第三凹陷区，当所述转接件转至所述凸轮的第三凹陷区位置时，所述抵接端进入所述第三凹陷区内以锁定所述转接件与所述铰链板的位置关系。
进一步，所述铰链轴包括第一轴体及第二轴体，所述第一轴体固定于所述铰链板上且其内部于高度方向上形成有装配孔，所述第二轴体呈杆状且下端不可转动的装配于所述装配孔内。
进一步，所述装配孔上下贯通，所述装配孔内螺纹连接有一高度可调的螺杆，所述第二轴体的下端抵接至所述螺杆的顶部。
本发明还提供了一种冰箱，该冰箱包括具有容置间室的箱体以及盖合所述容置间室的门体，所述冰箱还包括以上所述的闭门器，所述闭门器的所述铰链板固定于所述箱体上，所述门体固定于所述转接件上，当所述门体关闭时，所述转接件转至所述凸轮的所述第一凹陷区一侧以保持所述门体处于关闭状态。
本发明的有益效果是：基于本发明所提供的闭门器结构，在门体关闭的应用场景中，闭门器能够保证在不损伤各构成零件的前提下紧密关闭门体，可满足用户长期可靠使用的要求。
附图说明
图1所示为现有设计中门体打开时铰链组件的平面示意图；
图2所示为现有设计中门体关闭时铰链组件的立体示意图；
图3所示为本发明闭门器的整体结构示意图；
图4所示为图3所示闭门器的爆炸示意图；
图5所示为弹性机构的拆分示意图；
图6所示为图3中A-A′位置处截断的示意图；
图7所示为转接件的转动示意图；
图8所示为凸轮、上衬套、下衬套与第二轴体配合前的示意图；
图9所示为图8中凸轮配合于第二轴体上的结构示意图；
图10所示为图3中B-B′位置处截断的示意图；
图11所示为本发明闭门器与门体配合前的示意图；
图12所示为图11中c部分放大示意图；
图13所示为闭门器与门体配合后的局部示意图。
具体实施方式
以下将结合附图所示的各实施方式对本发明进行详细描述，请参照图3至图13所示，其为本发明的一些较佳实施方式。
结合图11、图12、图13所示，本发明所涉及的冰箱包括具有容置间室的箱体(图中未展示)、盖合容置间室的门体3、以及连接箱体与门体3的闭门器200，结合图中所示，闭门器200的铰链板21固定于箱体上，门体3固定于转接件23上。具体于本实施例中，门体3底侧向上凹陷形成有凹槽30，转接件23嵌入并固定于该凹槽30内以实现门体3与闭门器200的连接；闭门器200通过铰链板21上的固定部210固定与箱体上，具体本实施例中， 固定部210上开设有固定孔(图中未标示)，螺钉穿过该通孔以将铰链板21固定于冰箱的箱体上。以下进一步对本发明所涉及的闭门器200做进一步展开描述。
参考图1、图2所示，本发明所涉及的闭门器200包括铰链板21、设置于铰链板21上的铰链轴22以及绕铰链轴22转动设置的转接件23。
具体在本实施例中，铰链轴22包括第一轴体221及第二轴体222，第一轴体221固定于铰链板21上且其内部于高度方向上形成有装配孔2210，结合图10所示，第二轴体222呈杆状且下端不可转动的装配于第二轴体222的装配孔2210内。在本发明的其它实施例中，铰链轴22可以一体成型，也可以有更多的轴体拼接形成，具体在此不作展开。
本发明所涉及的闭门器200还包括设置于铰链轴22上的凸轮24，具体在本实施例中，凸轮24中间形成有装配孔240(图中未标示)，第二轴体222穿过该装配孔240并对凸轮24形成固定。参考图4中所示，凸轮24周边一侧朝凸轮24内部方向收缩形成第一凹陷区241；转接件23内设置有弹性机构，弹性机构具有弹性抵接至凸轮24周边的抵接端；于转接件23的转动过程中，弹性机构的抵接端相对凸轮24周边移动，且当转接件23转至凸轮24的第一凹陷区241一侧时，抵接端进入该第一凹陷区241内以锁定转接件23与铰链板21的位置关系。对应于冰箱而言，当门体3关闭时，转接件23正好转至凸轮24的第一凹陷区241一侧，如此设置即可保持门体3处于关闭状态。
具体实施过程中，第一凹陷区241自凸轮24周边逐渐向凸轮内部方向收缩以形成内陷的弧面，在门体3关闭过程中，当弹性机构的抵接端靠近第一凹陷区241的边缘时，在弹性机构的弹力作用下，抵接端能够向第一凹陷区241内部方向移动，从而实现门体3的完全关闭。为了确保门体3对箱体形成紧密的盖合，本具体实施例中还具有以下优化设置：参考图7中所示，门体3完全关闭时，弹性机构的抵接端突伸进入第一凹陷区241内，此时于关闭门体3的方向上，第一凹陷区241具有继续朝凸轮24内部方向延伸的凹陷空间。如此在门体3完全关闭后，弹性机构还能够向门体3提供驱使其继续朝门体3关闭方向转动的力，从而确保门体3关闭紧密。
于本实施例中，为确保门体3打开过程中顺畅，在门体3打开过程中与抵接端相接触的一段侧面为圆弧面。结合图6、图7所示，由于圆弧面的设置，在门体3打开过程中，弹簧 235作为弹性机构的弹力提供元件，其不存在压缩或展开的过程，如此使得转接件23相对铰链轴22顺畅转动，即能够确保门体3的打开过程顺畅。
在本发明的具体实施过程中，结合图3、图4、图5所示，转接件23为一壳体，壳体包括上下相对设置的顶板231与底板232，顶板231与底板232之间形成有安置弹性机构的安置腔230，且顶板231与底板232朝铰链轴22方向延伸形成有分别位于凸轮24上、下两侧的顶板延伸部2310与底板延伸部2320，顶板延伸部2310与底板延伸部2320均设置有供转接件23绕铰链轴22转动的转动孔234。
进一步，结合图5、图6所示，弹性机构包括弹簧235及弹力释放部，弹簧235沿铰链轴222径向方向挤压的设置于安置腔230内，且其远离铰链轴222的一端相对壳体固定设置。具体于本实施例中，壳体内远离顶板延伸部2310与底板延伸部2320的一端设置有挡板233，弹簧235远离铰链轴222的一端即抵接固定于该挡板233一侧。
本发明中的弹力释放部位于弹簧235与凸轮24之间以将弹簧235的弹力施加于凸轮24周边，弹力释放部靠近铰链轴222的一端即构成以上所描述的抵接端。
具体于本实施例中，弹力释放部包括支架236与滚柱237。结合图5、图6所示，支架236与弹簧235抵接设置，且支架236于弹簧235一侧形成有延伸至弹簧235内部的支架尾2360，该支架尾2360可确保支架236不脱离弹簧235；滚柱237转动的设置于支架236远离弹簧235的一端，于本实施例中，滚柱237即构成以上所描述的抵接端。
具体实施过程中，滚柱237内部形成有供其转动的滚动轴2371，支架236远离弹簧235的一侧上下相对形成有一对支撑片(图中未标示)，一对支撑片上均形成有与滚动轴2371配合的容纳槽2361，滚动轴2371配合于该容纳槽2361内以在弹簧235的弹力作用下抵接至凸轮24的周边，本实施例中滚柱237转动的轴心线平行于转接件23转动的轴心线。在滚柱237沿凸轮24的周边移动时，滚柱237滚动设置的方式可降低抵接端相对凸轮24周面滑动时的摩擦力，利于冰箱门体的转动。
作为本发明的优选实施方式，结合图4、图5所示，顶板231与底板232沿铰链轴22的径向方向形成有长条形导向孔238，滚柱237的滚动轴2371上下两端分别延伸至顶板231与底板232的导向孔238内；本实施例中的滚动轴2371的上、下两端构成了限定滚柱237 沿铰链轴22径向方向移动的导向配合部。
结合图8、图9、图10所示，本实施例中，凸轮24上、下两侧分别设置有套设于铰链轴22外的上衬套251及下衬套252，顶板延伸部2310与底板延伸部2320通过转动孔234分别配合于上衬套251及下衬套252外。
具体而言，上衬套251、凸轮24、下衬套252自上至下依次套设于第二轴体222外。本发明中的凸轮24相对第二轴体222不可转动，基于此，凸轮24中间的装配孔240设置为非圆形，第二轴体222上设置有与该装配孔240相吻合的凸轮装配部2220；装配部2220的上下两侧分贝设置有供上衬套251、下衬套252装配的上衬套装配部2221、下衬套装配部2222，其中，下衬套装配部2222具有凸出于装配部2220表面的凸起(图中未标示)，如此可避免凸轮24沿第二轴体222向下移动。
本实施例中的上衬套251与下衬套252均相对第二轴体222转动设置，顶板延伸部2310、底板延伸部2320分别相对上衬套251、下衬套252固定设置。具体实施过程中，转孔234设置为非圆形的异型孔，上衬套251与下衬套252上分别形成有与转孔234相配合的上转孔配合部2510、下转孔配合部2520，从而防止转接件23相对上衬套251、下衬套252之间形成转动。
当然，在本发明的其它实施例中，上衬套251与下衬套252也相对第二轴体222设置成不可转动，顶板延伸部2310、底板延伸部2320上的转孔234设置为圆形孔，从而实现转接件23相对铰链轴22的转动设置。
结合图6、图7所示，作为本发明的优选实施方式，凸轮24周边与第一凹陷区241相背的一侧还凹陷形成有第二凹陷区242，当转接件23转至凸轮的第二凹陷区242一侧时，抵接端(即滚柱237)进入第二凹陷区242内以锁定转接件23与铰链板21的位置关系。对应于冰箱的门体3开启过程，当门体3开启至一定角度后，例如打开180°，滚柱237进入第二凹陷区242内即将门体3定位在一定的打开角度，如此在用户于冰箱内部取放物品时，门体3不会随意转动。
为了使门体3悬停于不同的打开角度，例如45°、90°等，凸轮24周边于滚柱237滚动的表面还凹陷形成有至少一个第三凹陷区(图中未展示)，该第三凹陷区位于第一凹陷区 与所述第二凹陷区之间，当转接件23转至凸轮24的第三凹陷区位置时，滚柱237进入第三凹陷区内以锁定转接件23与铰链板21的位置关系；具体实施过程中，作为一种优选实施方式，第三凹陷区的凹陷深度小于第一凹陷区241与第二凹陷区242的凹陷深度，如此在门体3悬停后，用户只需稍微发力即可重新转动门体3。
结合图4、图9、图10所示，第一轴体221的装配孔2210为非圆形孔，第二轴体222的下端2223与该非圆形孔匹配吻合，从而避免第一轴体221、第二轴体222相对转动。作为本发明的一种优选实施方式，装配孔2210上下贯通，装配孔2210内螺纹连接有一高度可调的螺杆26，第二轴体222的下端抵接至螺杆26的顶部。基于该设置方式，在冰箱的使用过程中，如若门体3出现下垂现象，即可以通过向上旋动螺杆26以调高第二螺杆222与转动件23的高度位置，从而间接的调整门体3的高度。
应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施方式中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种闭门器，包括铰链板、设置于所述铰链板上的铰链轴以及绕所述铰链轴转动设置的转接件，其特征在于，所述闭门器还包括设置于所述铰链轴上的凸轮，所述凸轮周边一侧朝所述凸轮内部方向收缩形成第一凹陷区，所述转接件内设置有弹性机构，所述弹性机构具有弹性抵接至所述凸轮周边的抵接端；于所述转接件转动过程中，所述抵接端相对所述凸轮周边移动，且当所述转接件转至所述凸轮的第一凹陷区一侧时，所述抵接端进入所述第一凹陷区内以锁定所述转接件与所述铰链板的位置关系。
  2. 根据权利要求1所述的闭门器，其特征在于，所述转接件为一壳体，所述壳体包括上下相对设置的顶板与底板，所述顶板与所述底板之间形成有安置所述弹性机构的安置腔，且所述顶板与所述底板朝所述铰链轴方向延伸形成有分别位于所述凸轮上、下两侧的顶板延伸部与底板延伸部，所述顶板延伸部与所述底板延伸部均设置有供所述转接件绕所述铰链轴转动的转动孔。
  3. 根据权利要求2所述的闭门器，其特征在于，所述弹性机构包括弹簧及弹力释放部，所述弹簧沿所述铰链轴径向方向挤压的设置于所述安置腔内，且其远离所述铰链轴的一端相对所述壳体固定设置；所述弹力释放部位于所述弹簧与所述凸轮之间以将所述弹簧的弹力施加于所述凸轮周边，所述抵接端形成于所述弹力释放部靠近所述铰链轴的一端。
  4. 根据权利要求3所述的闭门器，其特征在于，所述弹力释放部包括支架与滚柱，所述支架与所述弹簧抵接设置，且所述支架于所述弹簧一侧形成有延伸至所述弹簧内部的支架尾，所述滚柱转动的设置于所述支架远离所述弹簧的一端并构成所述抵接端，所述滚柱转动的轴心线平行于所述转接件转动的轴心线。
  5. 根据权利要求4所述的闭门器，其特征在于，所述顶板与所述底板沿所述铰链轴径向方向形成有长条形导向孔，所述滚柱两端分别具有延伸至所述导向孔内以限定所述滚柱沿所述铰链轴径向方向移动的导向配合部。
  6. 根据权利要求2所述的闭门器，其特征在于，所述凸轮上、下两侧分别设置有套设于所述铰链轴外的上衬套及下衬套，所述顶板延伸部与所述底板延伸部通过所述转动孔分别 配合于所述上衬套及下衬套外。
  7. 根据权利要求1所述的闭门器，其特征在于，所述凸轮周边与所述第一凹陷区相背的一侧还凹陷形成有第二凹陷区，当所述转接件转至所述凸轮的第二凹陷区一侧时，所述抵接端进入所述第二凹陷区内以锁定所述转接件与所述铰链板的位置关系。
  8. 根据权利要求7所述的闭门器，其特征在于，在所述第一凹陷区与所述第二凹陷区之间，所述凸轮周边于所述抵接端移动的表面还凹陷形成有至少一个第三凹陷区，当所述转接件转至所述凸轮的第三凹陷区位置时，所述抵接端进入所述第三凹陷区内以锁定所述转接件与所述铰链板的位置关系。
  9. 根据权利要求1所述的闭门器，其特征在于，所述铰链轴包括第一轴体及第二轴体，所述第一轴体固定于所述铰链板上且其内部于高度方向上形成有装配孔，所述第二轴体呈杆状且下端不可转动的装配于所述装配孔内。
  10. 根据权利要求1所述的闭门器，其特征在于，所述装配孔上下贯通，所述装配孔内螺纹连接有一高度可调的螺杆，所述第二轴体的下端抵接至所述螺杆的顶部。
  11. 一种冰箱，包括具有容置间室的箱体以及盖合所述容置间室的门体，其特征在于，所述冰箱还包括权利要求1所述的闭门器，所述闭门器的所述铰链板固定于所述箱体上，所述门体固定于所述转接件上，当所述门体关闭时，所述转接件转至所述凸轮的所述第一凹陷区一侧以保持所述门体处于关闭状态。
PCT/CN2019/083724 2018-04-24 2019-04-22 闭门器及具有该闭门器的冰箱 Ceased WO2019206093A1 (zh)

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