WO2012119351A1 - 一种家具铰链 - Google Patents

一种家具铰链 Download PDF

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Publication number
WO2012119351A1
WO2012119351A1 PCT/CN2011/074592 CN2011074592W WO2012119351A1 WO 2012119351 A1 WO2012119351 A1 WO 2012119351A1 CN 2011074592 W CN2011074592 W CN 2011074592W WO 2012119351 A1 WO2012119351 A1 WO 2012119351A1
Authority
WO
WIPO (PCT)
Prior art keywords
hinge
elastic
hinged
hinge portion
metal plate
Prior art date
Application number
PCT/CN2011/074592
Other languages
English (en)
French (fr)
Inventor
吴枝祥
Original Assignee
Wu Zhixiang
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 Wu Zhixiang filed Critical Wu Zhixiang
Publication of WO2012119351A1 publication Critical patent/WO2012119351A1/zh

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/006Braking devices, e.g. checks; Stops; Buffers for hinges having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/06Hinges with pins with two or more pins
    • E05D3/14Hinges with pins with two or more pins with four parallel pins and two arms
    • E05D3/142Hinges with pins with two or more pins with four parallel pins and two arms with at least one of the hinge parts having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10Closers 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
    • E05F1/12Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1207Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1215Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a canted-coil torsion spring
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10Closers 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
    • E05F1/12Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1284Mechanisms in the shape of hinges or pivots, operated by springs with a leaf or similar spring
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21Brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262Type of motion, e.g. braking
    • E05Y2201/264Type of motion, e.g. braking linear
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/624Arms
    • E05Y2201/626Levers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/71Toothed gearing
    • E05Y2201/712Toothed gearing with incomplete toothing
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/20Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention relates to a furniture hinge, and more particularly to a spring-loaded hinge for a movable portion of a door or furniture.
  • BACKGROUND OF THE INVENTION In the prior art, the closing force generated when a furniture door is closed often causes the furniture door to strike the furniture body. In order to reduce the impact and noise associated with the closing force, there is a hinge with a damping device installed between the main body of the furniture and the door panel. Such a hinge can effectively eliminate the impact force and noise generated when the door panel is closed, and has been widely used. application. However, from the application point of view, the angle at which the door is opened is approximately 0° -120°.
  • the technical index is generally automatically switched to the pop-open state after the door panel is opened by about 0° to 60°, the self-bounce angle is about 60° -120°, and the maximum opening angle of the door leaf is about 120° when it is closed.
  • Applying a pressure greater than the hinge's self-elastic force automatically switches the door to a slow-closed state when it is closed to about 60° to 0°, achieving a soft and silent closing.
  • the hinge bounces off to about 120° after opening about 45°, which is a self-propelled stroke.
  • a furniture hinge includes a fixing seat, a movable seat and an outer rocker arm.
  • the elastic reset mechanism for controlling the opening and closing of the hinge is arranged between the fixed seat and the movable seat, and is fixed.
  • the seat is further provided with a damping device connected to the elastic restoring mechanism, the elastic restoring mechanism comprises at least one elastic distributing part and a resettable elastic element, and the elastic distributing parts are respectively hinged to the fixed seat and the movable seat
  • the elastic member is hinged to the joint portion of the fixed seat and the outer rocker arm, and the elastic member is provided with at least two free ends extending from the hinge portion to the same side, and the two free ends are respectively tightened On the fixed seat and elastic distribution parts.
  • the elastic element is provided with three free ends extending from the hinge portion to the same side, wherein the two free ends are pressed against the elastic force distribution part, and the other free end is tightly fixed.
  • the inner wall of the seat is provided with a damping device connected to the elastic restoring mechanism, the elastic restoring mechanism comprises at least one elastic distributing part and a resettable elastic element, and the elastic distributing parts are respectively hinged to the fixed seat and the movable seat
  • the elastic member is hinged to the joint portion of the fixed seat and the
  • the elastic member of the present invention is a torsion spring, and the two ends of the torsion spring are respectively provided with a first free end and a second free end extending toward the same side thereof, and the two free ends are placed on the elastic force distribution part.
  • the middle portion of the torsion spring is provided with a third free end extending outwardly, the three free ends are located on the same side of the torsion spring, and the third free end is mounted on the fixed seat.
  • the present invention can also be modified as follows.
  • the elastic member is an elastic metal piece, and the elastic metal piece is provided with an arc-shaped bent portion for hinged, and one side of the bent portion is provided with parallel protrusions.
  • the elastic force distribution part is a middle width and a narrow end structure made of a metal plate, and the two ends of the metal plate are respectively provided with a first hinge which is rounded inwardly.
  • the metal plate is hinged to the movable seat through the first hinge portion; and the first hinge portion and the second hinge portion on the metal plate are further provided with an inwardly bent shape for a third hinge portion of the fixed seat hinge, the third hinge portion includes two hinged ears symmetrically distributed on two sides of the metal plate and coaxially disposed; and the metal plate is respectively disposed adjacent to the two hinge ears to prevent the elastic component from working
  • the elastically-distributing part creates interference shoulders, the corresponding two freedoms on the elastic element The ends are respectively tightened to the above two shoulders.
  • the present invention can also be modified as follows.
  • the elastic force distribution part is a middle width and a narrow end structure made of a metal plate, and the two ends of the metal plate are respectively provided with a first hinge portion bent inwardly and a second hinge portion, the metal plate is hinged to the movable seat through the first hinge portion; and the first hinge portion and the second hinge portion on the metal plate are further provided for bending and fixing inwardly a third hinge portion hingedly connected; the first, second, and third hinge portions respectively include two hinged ears symmetrically disposed on two sides of the metal plate and coaxially disposed, and two hinges on the metal plate near the three hinge portions
  • the shoulders are also respectively provided with two shoulder portions for avoiding interference with the elastic force distribution member 5 when the elastic member is in operation, and the respective two free ends on the elastic member are respectively tightened to the two shoulder portions.
  • the invention can also be modified as follows, wherein the elastic force distribution part is composed of a plurality of phase-stamped sheet metal sheets, and a main plane having a middle width and a narrow end is provided thereon, and two of the elastic distribution parts are The ends are respectively provided with an inwardly extending first hinge portion and a second hinge portion, and the elastic force distribution part is hinged to the movable seat through the first hinge portion; the first hinge portion and the second hinge portion on the elastic force distribution part There is also a third hinge portion extending inwardly for articulating with the fixing seat; the elastic distribution part is further provided near the third hinge portion for preventing interference between the elastic component and the elastic force distribution part.
  • the shoulders, the respective two free ends on the elastic member are respectively pressed against the two shoulders.
  • the elastic force distribution part and the damping device of the present invention are provided with a link mechanism capable of driving the damper device with the hinge opening and closing, the link structure comprising the first link and the second link hinged, the first The connecting rod and the second connecting rod are respectively hinged with the second hinge portion of the elastic force distribution part and the damping device, and the middle portion of the second connecting rod is movably mounted on the fixing seat by the hinge shaft.
  • the invention can also be modified as follows: between the elastic force distribution part and the damping device, a link mechanism capable of driving the damper device with the hinge opening and closing is provided, and the link mechanism comprises a hinged connecting rod and a hinge piece.
  • the connecting rod and the hinge piece are respectively hinged with the elastic force distribution part and the damping device, and the hinge piece is movably mounted on the fixing seat through the hinge shaft.
  • the furniture hinge of the present invention is novel in concept and redistributes the restoring force of the elastic member; the present invention employs a structurally unique elastic member, with all free ends on the same side.
  • the change of the torsion angle is about 17°, which is only 1/2 of the prior art. Therefore, the present invention can significantly enhance the elastic component, such as The service life of the spring.
  • the furniture hinge of the present invention can realize the technical index that the hinge can be freely stopped between about 40° and 120° after opening about 40 degrees.
  • the elastic reset mechanism is designed reasonably, and the positional movement of the elastic distribution part during the opening and closing process of the hinge is driven by the gas/hydraulic one-way damping device installed in the hinge body through various means through one to three transmission parts, and the hinge is in the hinge.
  • the damping device When the closing action is performed, the damping device generates a damping force to control the position moving time of the elastic force distributing part to achieve the function of slowly closing the hinge.
  • the present invention can perform the opening and closing action gently and silently when the door or the moving part of the furniture is opened/closed. Effectively reduce the damage of noise and impact on the furniture body.
  • the furniture hinge of the present invention has various structural changes.
  • the material of the elastic element may be an elastic metal wire or an elastic metal piece; the elastic force distribution part may be a circle.
  • the bent metal sheet, or the directly bent metal sheet can also be riveted from a plurality of metal sheets, and the connection between the elastic return mechanism and the damper can also be designed as a connecting rod, a rocker or a gear. In short, it can be flexibly designed according to the requirements of use, and it is widely used.
  • FIG. 1 is a simplified schematic view of a prior art hinge opening and closing state
  • FIG. 2 is a cross-sectional view showing a hinged state of the prior art
  • FIG. 1 is a simplified schematic view of a prior art hinge opening and closing state
  • FIG. 2 is a cross-sectional view showing a hinged state of the prior art
  • FIG. 1 is a simplified schematic view of a prior art hinge opening and closing state
  • FIG. 2 is a cross-sectional view showing a hinged state of
  • FIG. 3 is a schematic view of the torsion spring of FIG.
  • Figure 5 is a schematic view of the torsion spring of Figure 4
  • Figure 6 is a schematic cross-sectional view of the prior art hinge opening state
  • Figure 7 is a schematic view of the torsion spring of Figure 6
  • Figure 8 is a cross-sectional view showing the state in which the hinge is closed according to the first embodiment of the present invention
  • Figure 9 is a cross-sectional view showing the state in which the hinge is switched according to the first embodiment of the present invention
  • Figure 10 is a cross-sectional view showing the hinge in an open state according to Embodiment 1 of the present invention.
  • Figure 11 is a perspective view showing the structure of a torsion spring according to Embodiment 1 of the present invention.
  • Figure 12 is a perspective view showing the three-dimensional structure of the elastic force distribution part according to Embodiment 1 of the present invention.
  • FIG. 13 is a schematic view showing the positional relationship between the torsion spring and the elastic force distribution part according to Embodiment 1 of the present invention
  • FIG. 14 is a simplified schematic view showing the hinge opening and closing state according to Embodiment 1 of the present invention.
  • FIG. 15 is a schematic diagram of the force analysis of the torsion spring in the closed state of the hinge according to the first embodiment of the present invention
  • FIG. 16 is a schematic diagram of the force analysis of the torsion spring in the hinge switching state according to the first embodiment of the present invention
  • Figure 1 is a schematic view showing the force analysis of the torsion spring in the open state of the hinge
  • Figure 18 is a perspective view showing the structure of the elastic metal piece according to the second embodiment of the present invention
  • Figure 19 is a perspective view showing the structure of an elastic metal piece according to Embodiment 3 of the present invention.
  • Figure 20 is a perspective view showing the three-dimensional structure of the elastic force distribution part according to Embodiment 4 of the present invention.
  • Figure 21 is a perspective view showing the three-dimensional structure of the elastic force distributing member according to Embodiment 5 of the present invention.
  • Figure 22 is a cross-sectional view showing the closed state of the hinge of the embodiment 5 of the present invention.
  • Figure 23 is a cross-sectional view showing the hinge in an open state according to Embodiment 5 of the present invention.
  • Figure 24 is a cross-sectional view showing the closed state of the hinge of the embodiment 6 of the present invention.
  • Figure 25 is a cross-sectional view showing the hinge in an open state according to Embodiment 6 of the present invention.
  • Figure 26 is a cross-sectional view showing the hinge in a closed state according to Embodiment 7 of the present invention
  • Figure 27 is a cross-sectional view showing the hinge in an open state according to Embodiment 7 of the present invention
  • Figure 28 is a cross-sectional view showing the hinge in a closed state according to Embodiment 8 of the present invention
  • Figure 29 is a cross-sectional view showing the hinge in an open state according to Embodiment 8 of the present invention
  • Figure 30 is a cross-sectional view showing the hinge in a closed state according to Embodiment 9 of the present invention
  • Figure 31 is a cross-sectional view showing the hinge in an open state according to Embodiment 9 of the present invention
  • Figure 32 is a cross-sectional view showing the hinge in a closed state according to Embodiment 10 of the present invention
  • Figure 33 is a cross-sectional view showing the hinge in an open state according to Embodiment 10 of the present invention
  • Figure 34 is a cross-sectional view
  • Embodiment 1 of the present invention is shown in FIG. 8-14.
  • a furniture hinge includes a fixing base 1, a movable seat 2 and an outer rocker arm 3.
  • a hinge is arranged between the fixed seat 1 and the movable seat 2 for controlling the hinge.
  • the elastic reset mechanism of the opening and closing, the fixing seat 1 is further provided with a damping device 4 connected to the elastic restoring mechanism, the elastic resetting mechanism comprises at least one elastic distributing part 5 and a resettable elastic element 6, and the elastic distributing parts 5 are respectively hinged
  • the fixing member 1 and the movable seat 2 are hinged to the connecting portion of the fixing base 1 and the outer rocker arm 3.
  • the elastic member 6 is provided with at least two free ends extending from the hinge portion to the same side. The free ends are respectively tightened against the fixed seat 2 and the elastic distributing part 5.
  • the elastic member 6 is provided with three free ends extending from the hinge portion thereof to the same side, wherein the two free ends are pressed against the elastic force distribution part 5, and the other free end is pressed against the fixed seat 2 Inner wall.
  • Elastic element 6 a torsion spring, the two ends of the torsion spring are respectively provided with a first free end 61 and a second free end 62 extending to the same side thereof, the two free ends are pressed against the elastic distribution part 5; There is a third free end 63 projecting outwardly, the three free ends being located on the same side of the torsion spring, and the third free end 63 being mounted on the fixed seat 1.
  • the elastic distribution part 5 is a middle width and a narrow end structure made of a metal plate, and two ends of the metal plate are respectively provided with a first hinge portion 51a and a second hinge portion 52a which are rounded inward, and the metal plate passes through
  • the first hinge portion 51a is hinged to the movable seat 2; a third hinge portion for bending with the fixed seat 1 is also provided between the first hinge portion 51a and the second hinge portion 52a on the metal plate.
  • the third hinge portion 53a includes two hinged ears symmetrically disposed on two sides of the metal plate and coaxially disposed; and the metal plate is respectively disposed adjacent to the two hinge ears to prevent the elastic component 6 from interfering with the elastic force distribution part 5 when working.
  • the two shoulders of the elastic member 6 are respectively pressed against the two shoulders.
  • a link mechanism capable of driving the damper 4 with the hinge opening and closing is provided, the link structure including the first link 7 and the second link 8 which are hinged, first The connecting rod 7 and the second connecting rod 8 are respectively hinged with the second hinge portion 52a of the elastic force distributing part 5 and the damper device 4, and the middle portion of the second link 8 is movably mounted on the fixed seat 1 by the hinge shaft.
  • Embodiment 2 Embodiment 2 of the present invention is as shown in FIG. 18. Unlike the previous embodiment, the elastic member 6 is an elastic metal piece, and the elastic metal piece is provided with an arc-shaped bent portion for hinged.
  • Embodiment 3 Embodiment 3 of the present invention is different from Embodiment 2 in that the curved bent portions of the elastic metal sheets are respectively at an obtuse angle with the respective free ends connected thereto.
  • Embodiment 4 Embodiment 4 of the present invention is different from Embodiment 1 in the embodiment 4 of the present invention.
  • the elastic force distribution member 5 is a middle-width, narrow-end structure made of a metal plate, and both ends of the metal plate are respectively provided. a first hinge portion 51b and a second hinge portion 52b bent inwardly, the metal plate is hinged to the movable seat 2 via the first hinge portion 51b; between the first hinge portion 51b and the second hinge portion 52b on the metal plate There is also a third hinge portion 53b for bending inwardly with the fixing base 1; the first, second and third hinge portions 51b, 52b, 53b respectively are symmetrically distributed on both sides of the metal sheet and are Two hinged ears disposed on the shaft, and two hinges on the metal plate near the three hinge portions 53b are respectively provided with two shoulder portions for avoiding interference with the elastic force distribution member 5 when the elastic member 6 is in operation, and corresponding two on the elastic member 6.
  • Embodiment 5 of the present invention is as shown in Figs. 21, 22, and 23, and different from Embodiment 1, the elastic force distributing member 5 is composed of a plurality of phase-stamped sheet metal sheets, and a middle portion is provided thereon.
  • the first end of the elastic distribution part 5 is respectively provided with an inwardly extending first hinge portion 51c and a second hinge portion 52c, and the elastic force distribution part 5 is coupled to the movable seat 2 through the first hinge portion 51c.
  • a third hinge portion 53c for inwardly projecting with the fixed seat 1 is also disposed between the first hinge portion 51c and the second hinge portion 52c on the elastic distribution part 5; the elastic force distribution part 5 Close to the third hinge portion 53c is also provided with two shoulder portions for avoiding interference with the elastic force distribution member 5 when the elastic member 6 is in operation, and the respective two free ends on the elastic member 6 are respectively tightened to the two shoulder portions.
  • Embodiment 6 Embodiment 6 of the present invention is as shown in Figs. 24 and 25, and is different from Embodiment 5 in that a connection between the elastic force distributing member 5 and the damper device 4 is provided to open the damper device 4 with the hinge opening and closing.
  • a lever mechanism comprising a hinged connecting rod 7a and a hinge piece 9, the link 7a and the hinge piece 9 being respectively associated with the elastic force distribution part 5 and the damper device 4 Hinged, and the hinge piece 9 is movably mounted on the fixed seat 1 by the hinge shaft.
  • the hinge between the 9 and the damper 4 is triangular in shape.
  • Embodiment 7 Embodiment 7 of the present invention is as shown in Figs.
  • Embodiment 8 of the present invention is as shown in Figs.
  • Embodiment 9 Embodiment 9 of the present invention is as shown in Figs. 30 and 31.
  • Embodiment 10 Embodiment 10 of the present invention is as shown in Figs.
  • the front portion of the elastic force distributing member 5 is hinged to the movable seat 2, and the rear portion is provided with a toothed connecting portion, the damping device 4 articulated toothed rocker arm 13a, toothed A driven gear 14 is disposed between the joint portion and the toothed rocker arm 13a.
  • the driven gear 14 and the toothed rocker arm 13a are movably mounted on the fixed base 1 via hinged shafts, respectively.
  • Embodiment 11 An embodiment 11 of the present invention is shown in Figs. 34 and 35. Unlike the fifth embodiment, the front portion of the elastic force distributing member 5 is hinged to the movable base 2, and the rear portion is directly hinged to the damper device 4.
  • Embodiment 12 of the present invention is as shown in Fig. 36, and is different from Embodiment 1 in that a torsion spring as the elastic member 6 is provided with a first free end 61b extending toward the same side thereof and both ends thereof. The second free end 62b is fastened to the fixed seat 2 and the elastic distribution part 5, respectively.
  • a torsion spring as the elastic member 6 is provided with a first free end 61b extending toward the same side thereof and both ends thereof.
  • the second free end 62b is fastened to the fixed seat 2 and the elastic distribution part 5, respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

一种家具铰链 技术领域 本发明涉及一种家具铰链,特别是一种用于门或家具上可移动部分的带弹簧的铰链。 背景技术 现有技术中, 当关闭家具门时所产生的闭合力往往导致家具门撞击家具主体。 为了 减少与闭合力有关的冲击和噪音, 已有一种在家具主体与门板之间安装的带阻尼装置的 铰链, 这类铰链能有效消除门板闭合时所产生的冲击力和噪音, 并已被普遍应用。 但是, 从应用角度分析, 门扇开启的角度大约为 0° -120° 。 现有的铰链, 其技术 指标一般为门板开启约 0° ~60° 后自动切换为弹开状态, 自弹角度约为 60° -120° , 关闭时从门扇的最大开启角度约为 120° 开始施加一个大于铰链自弹力的压力把门关闭 到约 60° ~0° 时自动切换为缓慢关闭状态, 达到轻柔无声关闭的目的。 参见图 1, 铰链 在开启约 45° 后弹开至约 120° , 这一段行程为自弹往程。 但上述现有技术过分强调门 板关闭时的无声轻柔状态, 并没有考虑门板开启时铰链自弹力结合门板重量及自弹角度 (约为 60° )所造成的一个较大的冲击力。 据分析, 由于门板开启至最大角度时没有与 家具本体接触, 即没有产生噪音和直接撞击, 但这个冲击力会传递至铰链本体和铰链与 家具的结合部位, 严重影响铰链与家具的使用寿命, 此即为现有技术的最大缺陷, 实为 业界急待克服的难题。 另外, 现有的用于家具的带弹簧铰链, 其弹力复位机构如图 2~图 6所示, 其提供复 位力的是一扭力弹簧 a, 该扭力弹簧 a在铰链启闭过程中的扭力角度差约为 32° , 这种 状态下, 弹簧极易出现机械性疲劳, 弹簧的复位力快速减退, 甚至出现弹簧本体断裂, 最终导致铰链的使用寿命打不到设计的开合次数。 由以上附图中可知: 现有技术的铰链 弹簧复位力分配不合理, 其闭合状态下的扭力角度最小, 开启状态下的扭力角度最大, 在这样的弹簧复位力分配状态下, 开启家具门扇就需要一个大于复位力的外力, 给使用 者带来不便。 发明内容 本发明的目的是提供一种具有缓慢关闭功能, 开启约 40° 后能在约 40° -120° 之 间自由停止, 弹簧复位力分配合理, 使用寿命长, 开启力量少的带弹簧的家具铰链。 本发明的技术方案可以通过以下的技术措施来实现, 一种家具铰链, 包括固定座、 活动座和外摇臂, 固定座与活动座之间设有用于控制铰链启闭的弹力复位机构, 固定座 上还设有与所述弹力复位机构相连的阻尼装置, 所述的弹力复位机构至少包括一个弹力 分配零件和一个可复位的弹性元件,所述的弹力分配零件分别铰接于固定座和活动座上, 所述的弹性元件铰接于固定座与外摇臂的连接部位, 所述的弹性元件上至少设有两个自 其铰接部位向同一侧伸出的自由端, 该二自由端分别顶紧于固定座和弹力分配零件上。 本发明可以作如下改进, 所述的弹性元件上设有三个自其铰接部位向同一侧伸出的 自由端, 其中两个自由端顶紧于弹力分配零件上, 另一个自由端顶紧于固定座的内壁。 本发明所述的弹性元件为扭力弹簧, 所述扭力弹簧上的两端分别设有向其同一侧伸 出的第一自由端和第二自由端, 该二自由端顶紧于弹力分配零件上; 所述扭力弹簧的中 部设有向外伸出的第三自由端, 上述三自由端位于所述扭力弹簧的同一侧, 第三自由端 顶紧于固定座上。 本发明还可以作以下改进, 所述的弹性元件为一弹性金属片, 所述弹性金属片上设 有一用于铰接的弧形弯折部, 该弯折部的其中一侧设有平行伸出的第一自由端和第二自 由端, 该二自由端顶紧于弹力分配零件上; 所述弯折部的另一侧设有片状的顶紧于固定 座上的第三自由端, 并且, 第三自由端与上述二自由端互成锐角。 本发明所述的弹性金属片的弧形弯折部分别与与其相连的相应自由端之间呈钝角。 本发明可以作以下进一步改进, 所述的弹力分配零件为金属板材制成的中部宽、 两 端窄式结构,所述的金属板材的两端分别设有向内卷圆而成的第一铰接部和第二铰接部, 该金属板材通过第一铰接部与活动座相铰接; 所述的金属板材上的第一铰接部和第二铰 接部之间还设有向内弯折的用于与固定座相铰接的第三铰接部, 第三铰接部包括对称分 布于金属板材两侧并同轴设置的二铰接耳; 金属板材上靠近二铰接耳处还分别设有用于 避免弹性元件工作时与弹力分配零件产生干涉的二肩部, 所述弹性元件上的相应二自由 端分别顶紧于上述二肩部。 本发明还可以作以下改进, 所述的弹力分配零件为金属板材制成的中部宽、 两端窄 式结构, 所述的金属板材的两端分别设有向内弯折的第一铰接部和第二铰接部, 该金属 板材通过第一铰接部与活动座相铰接; 所述的金属板材上的第一铰接部和第二铰接部之 间还设有同样向内弯折的用于与固定座相铰接的第三铰接部; 所述的第一、 第二、 第三 铰接部分别包括对称分布于金属板材两侧并同轴设置的二铰接耳, 金属板材上靠近三铰 接部的二铰接耳处还分别设有用于避免弹性元件工作时与弹力分配零件 5产生干涉的二 肩部, 所述弹性元件上的相应二自由端分别顶紧于上述二肩部。 本发明还可以作以下改进,所述的弹力分配零件由多个相铆合的片状金属板材组成, 其上设有一个中部宽、 两端窄的主平面, 所述的弹力分配零件的两端分别设有向内伸出 第一铰接部和第二铰接部, 弹力分配零件通过第一铰接部与活动座相铰接; 所述的弹力 分配零件上的第一铰接部和第二铰接部之间还设有同样向内伸出的用于与固定座相铰接 的第三铰接部; 弹力分配零件上靠近第三铰接部处还设有用于避免弹性元件工作时与弹 力分配零件产生干涉的二肩部,所述弹性元件上的相应二自由端分别顶紧于上述二肩部。 本发明所述的弹力分配零件与阻尼装置之间设有可随铰链启闭而带动阻尼装置工作 的连杆机构, 该连杆结构包括相铰接的第一连杆和第二连杆, 第一连杆、 第二连杆分别 与弹力分配零件的第二铰接部及阻尼装置相铰接, 并且, 第二连杆的中部通过铰接轴活 动安装于固定座上。 本发明还可以作以下改进, 所述的弹力分配零件与阻尼装置之间设有可随铰链启闭 而带动阻尼装置工作的连杆机构, 该连杆机构包括相铰接的连杆和铰接片, 该连杆和铰 接片分别与弹力分配零件及阻尼装置相铰接, 并且, 铰接片通过铰接轴活动安装于固定 座上。 本发明的有益效果是:
( 1 )本发明的家具铰链, 构思新颖, 重新分配了弹力元件的复位力; 本发明采用了 结构独特的弹力元件, 所有自由端都位于其同一侧。 弹力元件在铰链的启闭过程中, 扭 力角度的变化约为 17° , 仅是现有技术的 1/2, 因此, 本发明能显著提升弹力元件, 如 弹簧的使用寿命。
(2)本发明的家具铰链, 可实现铰链开启约 40度后能在约 40° ~120° 之间自由停 止的技术指标。 弹力复位机构设计合理, 利用弹力分配零件在铰链启闭过程中的位置移 动经由 1~3 个传动零件通过各种方式驱动装于铰链本体内的气 /液压单向阻尼装置作往 复运动, 在铰链作关闭动作时, 阻尼装置产生一个阻尼力量控制弹力分配零件的位置移 动时间, 达到使铰链缓慢关闭的功, 本发明可使家具的门或者移动部分开启 /关闭时轻柔 无声地完成启闭动作, 有效减少噪音及冲击对家具本体的伤害。
( 3)本发明的家具铰链, 当铰链闭合时, 径向力 F由大到小变化; 切换状态时, 径 向力 F由小到大变化, 并趋近于零, 最终至开启状态。 当关门时, 铰链开启、 切换, 最 终闭合, 径向力 F的变化为上述变化的逆过程。 即施加一个很小的力, 就能实现铰链的 关闭, 使用方便。
(4)本发明的家具铰链,结构形式变化多样弹力元件的材料可以为弹性金属线材或 弹性金属片; 弹力分配零件既可以为经圈圆。折弯的金属板材, 或直接折弯的金属板材, 还可以由多片金属板材铆合而成,弹力复位机构与阻尼装置之间的连接件也可以设计成、 连杆、 摇杆或齿轮状等, 总之可以根据使用要求灵活设计, 应用广泛。 附图说明 图 1为现有技术的铰链开合状态简化示意图; 图 2为现有技术的铰链闭合状态的剖视示意图; 图 3为图 2中扭力弹簧的示意图; 图 4为现有技术的铰链切换状态的剖视示意图; 图 5为图 4中扭力弹簧的示意图; 图 6为现有技术的铰链开启状态的剖视示意图; 图 7为图 6中扭力弹簧的示意图; 图 8为本发明实施例 1的铰链闭合状态的剖视示意图; 图 9为本发明实施例 1的铰链切换状态的剖视示意图;
图 10为本发明实施例 1的铰链开启状态的剖视示意图;
图 11为本发明实施例 1的扭力弹簧的立体结构示意图;
图 12为本发明实施例 1的弹力分配零件的立体结构示意图;
图 13为本发明实施例 1的扭力弹簧与弹力分配零件的位置关系示意图; 图 14为本发明实施例 1的铰链开合状态简化示意图;
图 15为本发明实施例 1的铰链闭合状态下的扭力弹簧的受力分析示意图; 图 16为本发明实施例 1的铰链切换状态下的扭力弹簧的受力分析示意图; 图 17为本发明实施例 1的铰链开启状态下的扭力弹簧的受力分析示意图; 图 18为本发明实施例 2的弹性金属片的立体结构示意图;
图 19为本发明实施例 3的弹性金属片的立体结构示意图;
图 20为本发明实施例 4的弹力分配零件的立体结构示意图;
图 21为本发明实施例 5的弹力分配零件的立体结构示意图;
图 22为本发明实施例 5的铰链闭合状态的剖视示意图;
图 23为本发明实施例 5的铰链开启状态的剖视示意图;
图 24为本发明实施例 6的铰链闭合状态的剖视示意图;
图 25为本发明实施例 6的铰链开启状态的剖视示意图;
图 26为本发明实施例 7的铰链闭合状态的剖视示意图; 图 27为本发明实施例 7的铰链开启状态的剖视示意图; 图 28为本发明实施例 8的铰链闭合状态的剖视示意图; 图 29为本发明实施例 8的铰链开启状态的剖视示意图; 图 30为本发明实施例 9的铰链闭合状态的剖视示意图; 图 31为本发明实施例 9的铰链开启状态的剖视示意图; 图 32为本发明实施例 10的铰链闭合状态的剖视示意图; 图 33为本发明实施例 10的铰链开启状态的剖视示意图; 图 34为本发明实施例 11的铰链闭合状态的剖视示意图; 图 35为本发明实施例 11的铰链闭合状态的剖视示意图; 图 36为本发明实施例 12的扭力弹簧的立体结构示意图。 具体实施方式 下面结合附图对本发明作进一步说明。 实施例 1 本发明的实施例 1如图 8— 14所示, 一种家具铰链, 包括固定座 1、 活动座 2和外 摇臂 3, 固定座 1与活动座 2之间设有用于控制铰链启闭的弹力复位机构, 固定座 1上 还设有与弹力复位机构相连的阻尼装置 4, 弹力复位机构至少包括一个弹力分配零件 5 和一个可复位的弹性元件 6, 弹力分配零件 5分别铰接于固定座 1和活动座 2上, 弹性 元件 6铰接于固定座 1与外摇臂 3的连接部位, 弹性元件 6上至少设有两个自其铰接部 位向同一侧伸出的自由端, 该二自由端分别顶紧于固定座 2和弹力分配零件 5上。 本实施例中, 弹性元件 6上设有三个自其铰接部位向同一侧伸出的自由端, 其中两 个自由端顶紧于弹力分配零件 5上, 另一个自由端顶紧于固定座 2的内壁。 弹性元件 6 为扭力弹簧,扭力弹簧上的两端分别设有向其同一侧伸出的第一自由端 61和第二自由端 62, 该二自由端顶紧于弹力分配零件 5上; 扭力弹簧的中部设有向外伸出的第三自由端 63, 上述三自由端位于扭力弹簧的同一侧, 第三自由端 63顶紧于固定座 1上。弹力分配 零件 5为金属板材制成的中部宽、 两端窄式结构, 金属板材的两端分别设有向内卷圆而 成的第一铰接部 51a和第二铰接部 52a, 该金属板材通过第一铰接部 51a与活动座 2相 铰接; 金属板材上的第一铰接部 51a和第二铰接部 52a之间还设有向内弯折的用于与固 定座 1相铰接的第三铰接部 53a, 第三铰接部 53a包括对称分布于金属板材两侧并同轴 设置的二铰接耳; 金属板材上靠近二铰接耳处还分别设有用于避免弹性元件 6工作时与 弹力分配零件 5产生干涉的二肩部, 弹性元件 6上的相应二自由端分别顶紧于上述二肩 部。 弹力分配零件 5与阻尼装置 4之间设有可随铰链启闭而带动阻尼装置 4工作的连杆 机构, 该连杆结构包括相铰接的第一连杆 7和第二连杆 8, 第一连杆 7、第二连杆 8分别 与弹力分配零件 5的第二铰接部 52a及阻尼装置 4相铰接, 并且, 第二连杆 8的中部通 过铰接轴活动安装于固定座 1上。 铰链关闭状态下, 阻尼装置 4经由弹力分配零件 5上的链杆机构推动至压入状态, 铰链作开启动作时, 经由链杆机构把阻尼装置 4杆拉出, 关闭状态下的阻尼装置 4是单 向阻尼, 拉出时不受阻尼力作用。 当铰链关闭时, 经由链杆机构驱动阻尼装置 4作压入 运动时, 诱发阻尼装置产生阻尼力, 该技术方案有助于减少开启力。 参见图 15— 17, C为固定座 1与弹力分配零件 5之间的支撑点, D为活动座 2与弹 力分配零件 5之间的转轴, A为扭力弹簧与弹力分配零件 5之间的支撑点, E为扭力弹 簧的固定轴, F为径向力。 由图中的受力分析可知, 当铰链闭合时, 径向力 F由大到小 变化; 切换状态时, 径向力 F由小到大变化, 并趋近于零, 最终至开启状态。 当关门时, 铰链开启、 切换, 最终闭合, 径向力 F的变化为上述变化的逆过程。 本实施例中, 铰链 在开启约 40° 后能在约 40° ~120° 之间自由停止, 即这一段的行程为自由往程。 实施例 2 本发明的实施例 2如图 18所示,与上一个实施例不同的是,弹性元件 6为一弹性金 属片, 弹性金属片上设有一用于铰接的弧形弯折部, 该弯折部的其中一侧设有平行伸出 的第一自由端 61a和第二自由端 62a, 该二自由端顶紧于弹力分配零件 5上; 弯折部的 另一侧设有片状的顶紧于固定座 1上的第三自由端 63a, 并且, 第三自由端 63a与上述 二自由端互成锐角 实施例 3 本发明的实施例 3如图 19所示,与实施例 2不同的是,弹性金属片的弧形弯折部分 别与与其相连的相应自由端之间呈钝角。 实施例 4 本发明的实施例 4如图 20所示,与实施例 1不同的是,弹力分配零件 5为金属板材 制成的中部宽、 两端窄式结构, 金属板材的两端分别设有向内弯折的第一铰接部 51b和 第二铰接部 52b, 该金属板材通过第一铰接部 51b与活动座 2相铰接; 金属板材上的第 一铰接部 51b和第二铰接部 52b之间还设有同样向内弯折的用于与固定座 1相铰接的第 三铰接部 53b; 第一、 第二、 第三铰接部 51b、 52b、 53b分别包括对称分布于金属板材 两侧并同轴设置的二铰接耳, 金属板材上靠近三铰接部 53b的二铰接耳处还分别设有用 于避免弹性元件 6工作时与弹力分配零件 5产生干涉的二肩部, 弹性元件 6上的相应二 自由端分别顶紧于上述二肩部。 实施例 5 本发明的实施例 5如图 21、 22、 23所示, 与实施例 1不同的是, 弹力分配零件 5 由多个相铆合的片状金属板材组成, 其上设有一个中部宽、 两端窄的主平面, 弹力分配 零件 5的两端分别设有向内伸出第一铰接部 51c和第二铰接部 52c, 弹力分配零件 5通 过第一铰接部 51c与活动座 2相铰接; 弹力分配零件 5上的第一铰接部 51c和第二铰接 部 52c之间还设有同样向内伸出的用于与固定座 1相铰接的第三铰接部 53c; 弹力分配 零件 5上靠近第三铰接部 53c处还设有用于避免弹性元件 6工作时与弹力分配零件 5产 生干涉的二肩部, 所述弹性元件 6上的相应二自由端分别顶紧于上述二肩部。 实施例 6 本发明的实施例 6如图 24、 25所示, 与实施例 5不同的是, 弹力分配零件 5与阻尼 装置 4之间设有可随铰链启闭而带动阻尼装置 4工作的连杆机构, 该连杆机构包括相铰 接的连杆 7a和铰接片 9, 该连杆 7a和铰接片 9分别与弹力分配零件 5及阻尼装置 4相 铰接, 并且, 铰接片 9通过铰接轴活动安装于固定座 1上 本实施例中,铰接片 9与固定座 1之间的铰接轴、连杆 7a与铰接片 9之间的铰接部、 铰接片 9与阻尼装置 4之间的铰接部呈三角形分布。 实施例 7 本发明的实施例 7如图 26、 27所示, 与实施例 5不同的是, 弹力分配零件 5的前部 铰接于活动座 2上, 后部设有一腰型孔 54, 并在该腰型孔 54处活动连接有一摇杆状零 件 10, 摇杆状零件 10与阻尼装置 4相铰接, 并且, 摇杆状零件 10通过铰接轴活动安装 于固定座 1上。 腰杆状零件 10与固定座之间的铰接轴、 弹力分配零件 5与摇杆状零件 10之间的铰 接部、 摇杆状零件 10与阻尼装置 4之间的铰接部呈三角形分布。 实施例 8 本发明的实施例 8如图 28、 29所示, 与实施例 5不同的是, 弹力分配零件 5的前部 铰接于活动座 2上, 后部设有齿状连接部, 该齿状连接部与阻尼装置 4之间设有一连接 片 11, 该连接片 11上设有用于与齿状连接部相咬合的凸柱 12, 凸柱 12的数量与齿状连 接部的齿数相适应; 并且, 连接片 11通过铰接轴活动安装于固定座 1上。 实施例 9 本发明的实施例 9如图 30、 31所示, 与实施例 5不同的是, 弹力分配零件 5的前部 铰接于活动座 2上, 后部设有齿状连接部, 该齿状连接部与阻尼装置 4之间设有一齿状 摇臂 13, 齿状摇臂 13的一端带齿, 并与齿状连接部相咬合, 另一端与阻尼装置 4相铰 接; 并且, 齿状摇臂 13通过铰接轴活动安装于固定座 1上。 即铰链作启闭运动时驱动齿 状摇臂 13诱发阻尼装置 4作往复运动。 实施例 10 本发明的实施例 10如图 32、 33所示, 与实施例 5不同的是, 弹力分配零件 5的前 部铰接于活动座 2上, 后部设有齿状连接部, 阻尼装置 4铰接有齿状摇臂 13a, 齿状连 接部与齿状摇臂 13a之间设有从动齿轮 14, 从动齿轮 14和齿状摇臂 13a分别通过铰接 轴活动安装于固定座 1上。 实施例 11 本发明的实施例 11如图 34、 35所示, 与实施例 5不同的是, 弹力分配零件 5的前 部铰接于活动座 2上, 后部直接与阻尼装置 4相铰接。 即弹力分配零件 5的尾部设一个 小孔直接牵引阻尼装置 4杆部, 铰链作启闭动作时直接驱动阻尼装置 4杆部作拉出或压 入运动。 实施例 12 本发明的实施例 12如图 36所示, 与实施例 1不同的是, 作为弹性元件 6的扭力弹 簧, 其两端分别设有向其同一侧伸出的第一自由端 61b和第二自由端 62b, 该二自由端 分别顶紧于固定座 2和弹力分配零件 5上。 上述的实施例仅为本发明的优选实施例,不能以此来限定本发明的权利范围, 因此, 依本发明申请专利范围所作的等同变化, 仍属本发明所涵盖的范围。

Claims

权利要求书
1. 一种家具铰链, 包括固定座 (1 )、 活动座 (2) 和外摇臂 (3), 固定座 (1 ) 与活 动座 (2) 之间设有用于控制铰链启闭的弹力复位机构, 固定座 (1 ) 上还设有与所述弹 力复位机构相连的阻尼装置 (4), 其特征在于所述的弹力复位机构至少包括一个弹力分 配零件 (5 ) 和一个可复位的弹性元件 (6), 所述的弹力分配零件 (5 ) 分别铰接于固定 座 (1 )和活动座 (2) 上, 所述的弹性元件 (6)铰接于固定座 (1 )与外摇臂 (3 ) 的连 接部位, 所述的弹性元件(6)上至少设有两个自其铰接部位向同一侧伸出的自由端, 该 二自由端分别顶紧于固定座 (2) 和弹力分配零件 (5 ) 上。
2. 根据权利要求 1所述的一种家具铰链, 其特征在于所述的弹性元件 (6) 上设有 三个自其铰接部位向同一侧伸出的自由端,其中两个自由端顶紧于弹力分配零件(5 )上, 另一个自由端顶紧于固定座 (2) 的内壁。
3. 根据权利要求 2所述的一种家具铰链, 其特征在于所述的弹性元件 (6) 为扭力 弹簧, 所述扭力弹簧上的两端分别设有向其同一侧伸出的第一自由端 (61 ) 和第二自由 端 (62), 该二自由端顶紧于弹力分配零件 (5 ) 上; 所述扭力弹簧的中部设有向外伸出 的第三自由端(63), 上述三自由端位于所述扭力弹簧的同一侧, 第三自由端(63 )顶紧 于固定座 (1 ) 上。
4. 根据权利要求 2所述的一种家具铰链, 其特征在于所述的弹性元件 (6) 为一弹 性金属片, 所述弹性金属片上设有一用于铰接的弧形弯折部, 该弯折部的其中一侧设有 平行伸出的第一自由端(61a)和第二自由端(62a),该二自由端顶紧于弹力分配零件(5 ) 上; 所述弯折部的另一侧设有片状的顶紧于固定座 (1 ) 上的第三自由端 (63a), 并且, 第三自由端 (63a) 与上述二自由端互成锐角。
5. 根据权利要求 4所述的一种家具铰链,其特征在于所述的一弹性金属片的弧形弯 折部分别与与其相连的相应自由端之间呈钝角。
6. 根据权利要求 3至 5中任意一项所述的一种家具铰链,其特征在于所述的弹力分 配零件(5 )为金属板材制成的中部宽、 两端窄式结构, 所述的金属板材的两端分别设有 向内卷圆而成的第一铰接部(51a)和第二铰接部(52a),该金属板材通过第一铰接部(51a) 与活动座 (2)相铰接; 所述的金属板材上的第一铰接部 (51a)和第二铰接部 (52a)之 间还设有向内弯折的用于与固定座(1 )相铰接的第三铰接部(53a), 第三铰接部 (53a) 包括对称分布于金属板材两侧并同轴设置的二铰接耳; 金属板材上靠近二铰接耳处还分 别设有用于避免弹性元件 (6) 工作时与弹力分配零件 (5 ) 产生干涉的二肩部, 所述弹 性元件 (6) 上的相应二自由端分别顶紧于上述二肩部。
7. 根据权利要求 3至 5中任意一项所述的一种家具铰链,其特征在于所述的弹力分 配零件(5 )为金属板材制成的中部宽、 两端窄式结构, 所述的金属板材的两端分别设有 向内弯折的第一铰接部(51b)和第二铰接部(52b), 该金属板材通过第一铰接部(51b) 与活动座(2)相铰接; 所述的金属板材上的第一铰接部 (51b)和第二铰接部 (52b)之 间还设有同样向内弯折的用于与固定座 (1 ) 相铰接的第三铰接部 (53b); 所述的第一、 第二、 第三铰接部(51b、 52b、 53b)分别包括对称分布于金属板材两侧并同轴设置的二 铰接耳,金属板材上靠近三铰接部(53b)的二铰接耳处还分别设有用于避免弹性元件(6) 工作时与弹力分配零件 (5 ) 产生干涉的二肩部, 所述弹性元件 (6) 上的相应二自由端 分别顶紧于上述二肩部。
8. 根据权利要求 3至 5中任意一项所述的一种家具铰链,其特征在于所述的弹力分 配零件(5 )由多个相铆合的片状金属板材组成,其上设有一个中部宽、两端窄的主平面, 所述的弹力分配零件 ( 5 )的两端分别设有向内伸出第一铰接部 ( 51c)和第二铰接部 ( 52c), 弹力分配零件(5 )通过第一铰接部 (51c)与活动座 (2)相铰接; 所述的弹力分配零件
( 5 )上的第一铰接部(51c)和第二铰接部 (52c)之间还设有同样向内伸出的用于与固 定座 (1 )相铰接的第三铰接部 (53c); 弹力分配零件 (5 )上靠近第三铰接部 (53c)处 还设有用于避免弹性元件 (6) 工作时与弹力分配零件 (5 ) 产生干涉的二肩部, 所述弹 性元件 (6) 上的相应二自由端分别顶紧于上述二肩部。
9. 根据权利要求 8所述的一种家具铰链, 其特征在于所述的弹力分配零件 (5 ) 与 阻尼装置 (4) 之间设有可随铰链启闭而带动阻尼装置 (4) 工作的连杆机构, 该连杆结 构包括相铰接的第一连杆 (7 ) 和第二连杆 (8), 第一连杆 (7)、 第二连杆 (8 ) 分别与 弹力分配零件(5 ) 的第二铰接部 (52a)及阻尼装置 (4)相铰接, 并且, 第二连杆(8 ) 的中部通过铰接轴活动安装于固定座 (1 ) 上。
10. 根据权利要求 8所述的一种家具铰链, 其特征在于所述的弹力分配零件(5 )与 阻尼装置 (4) 之间设有可随铰链启闭而带动阻尼装置 (4) 工作的连杆机构, 该连杆机 构包括相铰接的连杆(7a)和铰接片 (9), 该连杆 (7a)和铰接片 (9) 分别与弹力分配 零件(5 )及阻尼装置(4)相铰接, 并且,铰接片(9)通过铰接轴活动安装于固定座(1 ) 上。
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CN107354685B (zh) * 2017-08-16 2020-05-19 无锡小天鹅电器有限公司 缓冲铰链、门盖和洗衣机
CN211173603U (zh) * 2019-11-18 2020-08-04 吴秋华 具有二段力的门铰链
CN117449717B (zh) * 2023-12-20 2024-03-22 广东图特精密五金科技股份有限公司 一种新型二段力缓冲铰链及柜体组件

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EP3290624A4 (en) * 2016-03-04 2018-08-08 Liang, Yelin Door hinge having damping function
AU2016395336B2 (en) * 2016-03-04 2019-09-26 Liang, Peiling Door hinge having damping function
IT201800006848A1 (it) * 2018-07-02 2020-01-02 Cerniera per mobili perfezionata con elemento ammortizzante
EP3591156A1 (en) * 2018-07-02 2020-01-08 Danco S.p.A. Hinge with dampening element for pieces of furniture

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