WO2020237967A1 - 一种用于家具上翻支撑的可调节省力机构 - Google Patents

一种用于家具上翻支撑的可调节省力机构 Download PDF

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Publication number
WO2020237967A1
WO2020237967A1 PCT/CN2019/110922 CN2019110922W WO2020237967A1 WO 2020237967 A1 WO2020237967 A1 WO 2020237967A1 CN 2019110922 W CN2019110922 W CN 2019110922W WO 2020237967 A1 WO2020237967 A1 WO 2020237967A1
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WO
WIPO (PCT)
Prior art keywords
force
hinged
furniture
link
connecting rod
Prior art date
Application number
PCT/CN2019/110922
Other languages
English (en)
French (fr)
Inventor
徐国芳
Original Assignee
东莞市楷模家居用品制造有限公司
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 东莞市楷模家居用品制造有限公司 filed Critical 东莞市楷模家居用品制造有限公司
Priority to EP19786436.6A priority Critical patent/EP3763906A1/en
Publication of WO2020237967A1 publication Critical patent/WO2020237967A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/025—Means acting between hinged edge and frame
    • 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
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • 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
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
    • E05D2003/163—Horizontal pivot-axis
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • E05Y2201/212—Buffers
    • 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
    • E05Y2201/499—Spring tensioners; Tension sensors
    • 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
    • E05Y2800/15—Applicability
    • E05Y2800/17—Universally applicable
    • E05Y2800/178—Universally applicable on wings having different thicknesses
    • 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention relates to the technical field of household articles, in particular to an adjustable force-saving mechanism used for upturning support of furniture.
  • Household items such as boxes and cabinets are essential household items for every family. Most of these household items have two states of opening and closing, and users need to pull the box cover or cabinet door to switch between the opening and closing states. However, the existing furniture is laborious and inconvenient to use when switching the open and closed states.
  • the present invention provides an adjustable force-saving mechanism for upturning support of furniture, which can make the user save more effort when switching the open and close states of the furniture and make the furniture more convenient to use.
  • an adjustable force-saving mechanism for furniture upturning support comprising a base, a fixing member, a first connecting rod, a connecting component and a force-storing elastic component, one end of the first connecting rod is connected to One end of the fixing member is hinged, the other end of the first link is hinged to one end of the connecting component, the other end of the connecting component is hinged to the base, one end of the force accumulating elastic component is hinged to the base, the force accumulating elastic The other end of the component is hinged with the connecting component.
  • the labor saving mechanism further includes a second link and a third link, one end of the second link is hinged with the base, and the other end of the second link is connected to one end of the third link Hinged, the middle part of the second connecting rod is hinged to the middle part of the first connecting rod, and the other end of the third connecting rod is hinged to the fixing member.
  • the labor-saving mechanism further includes a buffer assembly
  • the buffer assembly includes a buffer elastic member, one end of the buffer elastic member is fixed to the base, and the other end of the buffer elastic member is used to abut against the second connecting rod The other end.
  • the connecting assembly includes a fourth connecting rod, a bolt rotatably connected to the fourth connecting rod, and a slider bolted to the bolt, and the other end of the force storage elastic assembly is hinged with the slider, so One end of the fourth link is hinged with the other end of the first link, and the other end of the fourth link is hinged with the base.
  • the slider is provided with a convex column with a circular longitudinal section, and the other end of the force storage elastic component is recessed to form a groove for accommodating the convex column.
  • the fourth connecting rod is provided with a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion are used to clamp the other end of the force-storing elastic component.
  • the first clamping portion is provided with a sliding groove that is slidably connected to the convex column, and the sliding groove and the bolt are both inclined and parallel to each other.
  • the fourth connecting rod is provided with a first limit post and a second limit post
  • the bolt includes a screw and a screw head connected to the screw, and the end of the screw rod away from the screw head passes through the first limit Between the column and the second limiting column and then screwed to the slider, the screw head abuts against the first limiting column and the second limiting column; the fourth connecting rod is also provided with The screw head reveals the screw hole outside the fourth connecting rod.
  • the force-storing elastic component includes a force-storing spring, a connecting block, a connecting seat hinged to the base, and a guide post inserted in the accumulating spring, one end of the accumulating spring and one end of the guide post Both are connected with the connecting seat, the other end of the force storage spring is connected with one end of the connecting block, and the other end of the connecting block is hinged with the connecting component.
  • the labor saving mechanism further includes a cover plate detachably connected to the base, and the connection component and the force-storing elastic component are arranged between the cover plate and the base.
  • the beneficial effect of the present invention is to provide the user with assistance for opening and closing the furniture by providing the force-storing elastic component, so that the user can open and close the furniture more labor-saving, and achieve the effect of making the furniture easier to use.
  • Figure 1 is a three-dimensional structural diagram of the present invention.
  • Figure 2 is a front view of the labor-saving mechanism of the present invention after the cover is hidden.
  • Fig. 3 is a three-dimensional structural diagram of the coupling component and the force-storing elastic component of the present invention.
  • Figure 4 is an exploded view of the force-storing elastic component of the present invention.
  • Figure 5 is an exploded view of the connecting assembly of the present invention.
  • the reference numerals are: 1. base; 11, cover plate; 2. fixing member; 3. first connecting rod; 4. connecting component; 41, fourth connecting rod; 411, first clamping part; 4111, sliding Groove; 412, second clamping part; 413, first limit post; 414, second limit post; 415, screw hole; 42, bolt; 421, screw rod; 422, screw head; 43, slider; 431. Protruding column; 5. Accumulating elastic component; 51. Groove; 52, accumulating spring; 53, connecting block; 54, connecting seat; 55, guiding column; 6, second connecting rod; 7, third connecting Rod; 8, buffer components; 81, buffer elastic parts; 9, box body; 91, box cover.
  • an adjustable force-saving mechanism for furniture upturn support includes a base 1, a fixing member 2, a first connecting rod 3, a connecting component 4, and a force-storing elastic component 5.
  • One end of the first connecting rod 3 is hinged with one end of the fixing member 2, the other end of the first connecting rod 3 is hinged with one end of the connecting assembly 4, and the other end of the connecting assembly 4 is hinged with the base 1, and the stored force is elastic
  • One end of the component 5 is hinged to the base 1, and the other end of the force-storing elastic component 5 is hinged to the connecting component 4.
  • the fixing member 2 is parallel to the horizontal plane, and the force-storing elastic component 5 is in a compressed state.
  • the fixing member 2 drives the connecting assembly 4 to rotate through the first link 3, and the force-storing elastic assembly 5 is in the connecting assembly 4.
  • the elastic potential energy of the accumulating elastic component 5 provides upward force to the connecting component 4, the first link 3 and the fixing member 2, so that the user can move upwards with less effort Opening the furniture saves time and effort.
  • This embodiment can also achieve the effect of automatically maintaining the furniture at a certain opening angle. Since the elastic potential energy of the accumulating elastic component 5 is gradually reduced during the process of restoring deformation, if the accumulating elastic component 5 cannot be rotated, that is, when the angle between the accumulating elastic component 5 and the connecting component 4 cannot be changed, the accumulating elastic component 5 The vertical force provided to the connecting assembly 4, the first connecting rod 3 and the fixing part 2 will gradually decrease, and the box cover 91, the connecting assembly 4, the first connecting rod 3 and the fixing part 2 will be under the influence of gravity Flip down automatically. However, in this embodiment, when the furniture is opened, the force-storing elastic assembly 5 rotates under the drive of the connecting assembly 4.
  • the force-storing elastic assembly 5 approaches a position that is inclined relative to the horizontal plane to a position perpendicular to the horizontal plane, and the force-storing elastic assembly 5
  • the force provided to other parts is decomposed into horizontal component force and vertical component force. It can be seen that during the movement of the force-storing elastic component 5, the vertical component force provided by the force-storing elastic component 5 gradually increases.
  • the elastic potential energy of 5 gradually decreases (that is, the total force provided by the accumulating elastic component 5 to other parts is gradually reduced), so the vertical elastic component 5 provided to the connecting assembly 4, the first connecting rod 3 and the fixing member 2 can be realized.
  • the effect of constant force in the direction
  • the force in the vertical direction provided by the accumulating elastic component 5 to the connecting component 4, the first connecting rod 3 and the fixing member 2 is equal to the sum of the gravity of the connecting component 4, the first connecting rod 3, the fixing member 2 and the box cover 91 in the furniture Therefore, it can be ensured that the connecting assembly 4, the first link 3, and the fixing member 2 will not automatically fall down under the influence of gravity, that is, when the user opens the box cover 91 to a set angle, the box cover 91 of the furniture It can be automatically maintained at the opened angle. Specifically, when the opening angle is greater than 20°, the box cover 91 can stay at any angle, and when the opening angle is less than or equal to 20°, the box cover 91 will slowly close.
  • the labor-saving mechanism further includes a second link 6 and a third link 7, one end of the second link 6 is hinged with the base 1, and the second link The other end of 6 is hinged with one end of the third link 7, the middle of the second link 6 is hinged with the middle of the first link 3, and the other end of the third link 7 is hinged with the fixing member 2, thereby So that the first link 3 and the fixing member 2 can be transferred more stably.
  • the labor-saving mechanism further includes a buffer assembly 8, the buffer assembly 8 includes a buffer elastic member 81, one end of the buffer elastic member 81 is fixed to the base 1, the buffer elastic member 81 The other end is used to interfere with the other end of the second connecting rod 6.
  • the elastic buffer member 81 abuts against the second connecting rod 6 to act as a buffer, thereby preventing a strong collision when the furniture is closed, and reducing the sound when the furniture is closed.
  • the buffer elastic member 81 is a damper.
  • the connecting assembly 4 includes a fourth connecting rod 41, a bolt 42 rotatably connected to the fourth connecting rod 41, and a slider 43 threaded to the bolt 42.
  • the force-storing elastic assembly 5 The other end is hinged with the slider 43, one end of the fourth link 41 is hinged with the other end of the first link 3, and the other end of the fourth link 41 is hinged with the base 1.
  • the gravity of the box cover 91 is different.
  • the user can move the slider 43 by screwing the bolt 42 to adjust the initial angle of the force-storing elastic assembly 5 relative to the connecting assembly 4, that is, adjusting the force-storing elastic assembly 5 to the connecting assembly 4, the first connecting rod 3, and the fixing member.
  • the bolt 42 and the slider 43 are integrated into the fourth connecting rod 41, on the one hand, it is convenient to adjust the output force of the force-storing elastic component 5 acting on the connecting component 4, and on the other hand, it saves the use of spare parts.
  • the volume of the labor-saving mechanism is reduced, the space of the furniture is saved, and the force accumulating device in the traditional labor-saving mechanism is changed.
  • An additional connecting rod is required to act on the output force on the connecting assembly 4, making the structure of the labor-saving mechanism It is simple, reduces the manufacturing cost, reduces the space occupied by the furniture, and is convenient to adjust the strength.
  • the slider 43 is provided with a convex post 431 with a circular longitudinal section, and the other end of the force storage elastic component 5 is recessed and formed with a groove 51 for receiving the convex post 431 ,
  • the sliding block 43 is hinged with the other end of the force-storing elastic component 5 through the protruding column 431 and the groove 51, and the structure is simple, practical and easy to assemble.
  • the fourth link 41 is provided with a first clamping portion 411 and a second clamping portion 412, the first clamping portion 411 and the second clamping portion 412 are used to clamp the storage
  • the first clamping portion 411 is provided with a sliding groove 4111 that is slidably connected to the boss 431, and the sliding groove 4111 and the bolt 42 are both inclined and parallel to each other.
  • the side wall of the sliding groove 4111 abuts against the protruding post 431, which can restrict the protruding post 431, so that the first clamping portion 411 and the second clamping portion 412 can restrict the force-storing elastic component 5 to ensure that the protruding post 431 and the accumulating force
  • the elastic component 5 moves along a fixed track.
  • the fourth connecting rod 41 is provided with a first limiting post 413 and a second limiting post 414
  • the bolt 42 includes a screw 421 and a screw 422 connected to the screw 421, so The end of the screw 421 away from the screw head 422 passes through between the first limit post 413 and the second limit post 414 and is screwed to the slider 43, and the screw head 422 abuts the first limit post 413 And the second limiting post 414
  • the fourth connecting rod 41 is also provided with a screw hole 415 for the screw head 422 to expose the outside of the fourth connecting rod 41.
  • first limit post 413 and the second limit post 414 to limit the bolt 42 can not only ensure that the bolt 42 can rotate, but also ensure that the bolt 42 will not shift by itself, and the structure is simple and practical.
  • the screw hole 415 is convenient for the user to turn the bolt 42.
  • the accumulating elastic assembly 5 includes a accumulating spring 52, a connecting block 53, a connecting seat 54 hinged to the base 1, and a guide post 55 inserted inside the accumulating spring 52.
  • One end of the spring 52 and one end of the guide post 55 are both connected to the connecting seat 54, the other end of the accumulating spring 52 is connected to one end of the connecting block 53, and the other end of the connecting block 53 is hinged to the connecting assembly 4.
  • the accumulating spring 52 may bend by itself during use, making it difficult to apply force to the connecting assembly 4.
  • the guide post 55 is used to limit the force-storing spring 52, which can ensure that the force-storing elasticity is in a linear state during use, and can stably apply force to the connecting assembly 4.
  • the labor saving mechanism further includes a cover plate 11 detachably connected with the base 1, and the connecting assembly 4 and the force-storing elastic assembly 5 are arranged between the cover plate 11 and the base 1. It reduces dust from entering the connecting assembly 4 and the force-storing elastic assembly 5.
  • the cover 11 can also prevent the connecting assembly 4 and the force-storing elastic assembly 5 from hooking the objects.
  • the furniture uses box covers 91 of different materials or sizes, the gravity of the box cover 91 is different. Therefore, the user needs to adjust the force-saving elastic component 5 acting on the connecting component 4 according to the box cover 91 of different material or size.
  • the size of the output force Assuming that the output force of the force-storing elastic component 5 acting on the connecting component 4 needs to be reduced, the user uses a tool to screw the bolt 42 through the screw hole 415. Since the bolt 42 is threadedly connected to the slider 43, the rotating bolt 42 makes The sliding block 43 is inclined downward along the screw 421, and the convex post 431 of the sliding block 43 that is inclined downward slides in the sliding groove 4111 and abuts the connecting block 53 and moves downward.
  • the connecting block 53 inclined downward makes the whole
  • the accumulating elastic component 5 rotates clockwise by a set angle, while the fourth link 41 swings downwards, so that the side wall of the sliding groove 4111 of the fourth link 41 always abuts against the protrusion 431 of the slider 43 to ensure the elasticity of accumulating force
  • the output force of the component 5 can always act on the connecting component 4.
  • the present invention can adjust the torque to change the torque, so as to achieve the torque balance with the box cover 91, thereby achieving the effect of labor saving.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

本发明涉及家居用品技术领域，尤其是指一种用于家具上翻支撑的可调节省力机构，包括基座、固定件、第一连杆、连接组件以及蓄力弹性组件，所述第一连杆的一端与固定件的一端铰接，所述第一连杆的另一端与连接组件的一端铰接，连接组件的另一端与基座铰接，所述蓄力弹性组件的一端与基座铰接，所述蓄力弹性组件的另一端与连接组件铰接。通过设置蓄力弹性组件来向使用者提供用于开合家具的助力，从而使得使用者能够更省力地开合家具，并达到令家具更易于使用的效果。

Description

一种用于家具上翻支撑的可调节省力机构 技术领域
本发明涉及家居用品技术领域，尤其是指一种用于家具上翻支撑的可调节省力机构。
背景技术
箱、柜等家居是每个家庭必不可少的家居用品。这些家居用品多具有开和合两个状态，需要使用者通过拉动箱盖或柜门等来实现开合状态的转换。但现有的家具切换开合状态时较为费力，使用不便。
发明内容
本发明针对现有技术的问题提供一种用于家具上翻支撑的可调节省力机构，能够使得使用者在切换家具的开合状态时更省力并使得家具更便于使用。
本发明采用如下技术方案：一种用于家具上翻支撑的可调节省力机构，包括基座、固定件、第一连杆、连接组件以及蓄力弹性组件，所述第一连杆的一端与固定件的一端铰接，所述第一连杆的另一端与连接组件的一端铰接，连接组件的另一端与基座铰接，所述蓄力弹性组件的一端与基座铰接，所述蓄力弹性组件的另一端与连接组件铰接。
作为优选，所述省力机构还包括第二连杆和第三连杆，所述第二连杆的一端与所述基座铰接，所述第二连杆的另一端与第三连杆的一端铰接，所述第二连杆的中部与第一连杆的中部铰接，所述第三连杆 的另一端与固定件铰接。
作为优选，所述省力机构还包括缓冲组件，所述缓冲组件包括缓冲弹性件，所述缓冲弹性件的一端固定于所述基座，所述缓冲弹性件的另一端用于抵触第二连杆的所述另一端。
作为优选，所述连接组件包括第四连杆、与第四连杆转动连接的螺栓以及与所述螺栓螺接的滑块，所述蓄力弹性组件的所述另一端与滑块铰接，所述第四连杆的一端与第一连杆的所述另一端铰接，所述第四连杆的另一端与基座铰接。
作为优选，所述滑块设有纵截面为圆形的凸柱，蓄力弹性组件的所述另一端凹陷形成有用于容纳所述凸柱的凹槽。
作为优选，所述第四连杆设有第一夹持部和第二夹持部，第一夹持部和第二夹持部用于夹持蓄力弹性组件的所述另一端，所述第一夹持部设有与所述凸柱滑动连接的滑槽，所述滑槽和螺栓均倾斜设置并相互平行。
作为优选，所述第四连杆设有第一限位柱和第二限位柱，所述螺栓包括螺杆和与螺杆连接的螺头，所述螺杆远离螺头的一端穿过第一限位柱和第二限位柱之间后与所述滑块螺接，所述螺头抵触所述第一限位柱以及所述第二限位柱；所述第四连杆还设置有供所述螺头显露出第四连杆外部的旋拧孔。
作为优选，所述蓄力弹性组件包括蓄力弹簧、连接块、与基座铰接的连接座以及插设在蓄力弹簧内部的导向柱，所述蓄力弹簧的一端以及所述导向柱的一端均与连接座连接，所述蓄力弹簧的另一端与连 接块的一端连接，所述连接块的另一端与连接组件铰接。
作为优选，所述省力机构还包括与基座可拆卸连接的盖板，所述连接组件以及蓄力弹性组件设置在盖板和基座之间。
本发明的有益效果：通过设置蓄力弹性组件来向使用者提供用于开合家具的助力，从而使得使用者能够更省力地开合家具，并达到令家具更易于使用的效果。
附图说明
图1为本发明的立体结构图。
图2为本发明的省力机构隐藏盖板后的正视图。
图3为本发明的连接组件和蓄力弹性组件配合的立体结构图。
图4为本发明的蓄力弹性组件的分解图。
图5为本发明的连接组件的分解图。
附图标记为：1、基座；11、盖板；2、固定件；3、第一连杆；4、连接组件；41、第四连杆；411、第一夹持部；4111、滑槽；412、第二夹持部；413、第一限位柱；414、第二限位柱；415、旋拧孔；42、螺栓；421、螺杆；422、螺头；43、滑块；431、凸柱；5、蓄力弹性组件；51、凹槽；52、蓄力弹簧；53、连接块；54、连接座；55、导向柱；6、第二连杆；7、第三连杆；8、缓冲组件；81、缓冲弹性件；9、箱体；91、箱盖。
具体实施方式
为了便于本领域技术人员的理解，下面结合实施例与附图对本发明作进一步的说明，实施方式提及的内容并非对本发明的限定。以下 结合附图对本发明进行详细的描述。
如图1和图2所示，一种用于家具上翻支撑的可调节省力机构，包括基座1、固定件2、第一连杆3、连接组件4以及蓄力弹性组件5，所述第一连杆3的一端与固定件2的一端铰接，所述第一连杆3的另一端与连接组件4的一端铰接，连接组件4的另一端与基座1铰接，所述蓄力弹性组件5的一端与基座1铰接，所述蓄力弹性组件5的另一端与连接组件4铰接。
以图2所示的方向为基准方向，当家具处于闭合状态下时，固定件2与水平面平行，蓄力弹性组件5处于压缩状态。在使用者打开家具的过程中，固定件2以家具开合时的旋转轴作为中心轴逐渐转动，固定件2通过第一连杆3带动连接组件4转动，蓄力弹性组件5在连接组件4的带动下沿顺时针方向转动并逐渐恢复弹性形变，蓄力弹性组件5的弹性势能向连接组件4、第一连杆3以及固定件2提供向上的力，从而使得使用者能够更省力地向上打开家具，操作起来省时省力。本实施例还能实现令家具自动保持在一定的打开角度的效果。由于蓄力弹性组件5在恢复形变的过程中，弹性势能逐渐减少，因此若蓄力弹性组件5无法转动，即在蓄力弹性组件5与连接组件4间的角度无法改变时，蓄力弹性组件5向连接组件4、第一连杆3以及固定件2提供的竖直方向上的力会逐渐减少，箱盖91、连接组件4、第一连杆3以及固定件2会在重力的影响下自动下翻。但在本实施例中，打开家具时，蓄力弹性组件5在连接组件4的带动下转动，蓄力弹性组件5在相对水平面倾斜的位置向相对水平面垂直的位置靠近，将蓄力弹性组件5对其它 零件提供的力分解为水平分力和竖直分力，可知蓄力弹性组件5移动的过程中，蓄力弹性组件5对外提供的竖直分力逐渐增大，同时由于蓄力弹性组件5的弹性势能逐渐减少(即蓄力弹性组件5对其它零件提供的总力逐渐减少)，因此能够实现蓄力弹性组件5向连接组件4、第一连杆3以及固定件2提供的竖直方向上的力不变的效果。蓄力弹性组件5向连接组件4、第一连杆3以及固定件2提供的竖直方向的力等于连接组件4、第一连杆3、固定件2以及家具中箱盖91的重力之和，因此能够保证连接组件4、第一连杆3以及固定件2不会在重力的影响下自动下翻，即当使用者将箱盖91打开至设定的角度时，该家具的箱盖91能够自动保持在所打开的角度。具体地，当打开角度大于20°时，箱盖91能够在任意角度停留，当打开角度小于或等于20°时，箱盖91会缓缓地闭合。
如图1和图2所示，所述省力机构还包括第二连杆6和第三连杆7，所述第二连杆6的一端与所述基座1铰接，所述第二连杆6的另一端与第三连杆7的一端铰接，所述第二连杆6的中部与第一连杆3的中部铰接，所述第三连杆7的另一端与固定件2铰接，从而使得第一连杆3和固定件2能更稳定地转移。
如图2所示，所述省力机构还包括缓冲组件8，所述缓冲组件8包括缓冲弹性件81，所述缓冲弹性件81的一端固定于所述基座1，所述缓冲弹性件81的另一端用于抵触第二连杆6的所述另一端。当关闭家具时，缓冲弹性件81抵触第二连杆6以起缓冲作用，从而防止家具闭合时强烈碰撞，并减少家具闭合时的声响。优选地，缓冲弹性件81 为阻尼器。
如图3所示，所述连接组件4包括第四连杆41、与第四连杆41转动连接的螺栓42以及与所述螺栓42螺接的滑块43，所述蓄力弹性组件5的所述另一端与滑块43铰接，所述第四连杆41的一端与第一连杆3的所述另一端铰接，所述第四连杆41的另一端与基座1铰接。当家具使用不同材质或尺寸的箱盖91时，箱盖91的重力不同。使用者能够通过旋拧螺栓42来使得滑块43移动，从而调节蓄力弹性组件5相对连接组件4的初始角度，即调节蓄力弹性组件5对连接组件4、第一连杆3以及固定件2提供的力，从而保证蓄力弹性组件5对连接组件4、第一连杆3以及固定件2提供的竖直方向的力能够等于连接组件4、第一连杆3、固定件2以及家具中箱盖91的重力之和。另外，将螺栓42和滑块43整合在第四连杆41内，一方面是便于调节蓄力弹性组件5的输出力作用在连接组件4上的大小，另一方面是节省了零配件的使用，减小了省力机构的体积，节约了家具的空间，改变了传统的省力机构中的蓄力装置还需要经由额外的连杆方可将输出力作用在连接组件4上，使得省力机构的结构简单，降低了制造成本，缩小了占用家具的空间，力度调节方便。
如图3至图5所示，所述滑块43设有纵截面为圆形的凸柱431，蓄力弹性组件5的所述另一端凹陷形成有用于容纳所述凸柱431的凹槽51，通过凸柱431和凹槽51来实现滑块43与蓄力弹性组件5的所述另一端铰接，结构简单实用且易于组装。
如图3和图5所示，所述第四连杆41设有第一夹持部411和第二夹 持部412，第一夹持部411和第二夹持部412用于夹持蓄力弹性组件5的所述另一端，所述第一夹持部411设有与所述凸柱431滑动连接的滑槽4111，所述滑槽4111和螺栓42均倾斜设置并相互平行。滑槽4111的侧壁抵触凸柱431，能够对凸柱431进行限制，使得第一夹持部411和第二夹持部412能够对蓄力弹性组件5进行限制，保证凸柱431和蓄力弹性组件5沿固定轨迹移动。
如图3和图5所示，所述第四连杆41设有第一限位柱413和第二限位柱414，所述螺栓42包括螺杆421和与螺杆421连接的螺头422，所述螺杆421远离螺头422的一端穿过第一限位柱413和第二限位柱414之间后与所述滑块43螺接，所述螺头422抵触所述第一限位柱413以及所述第二限位柱414；所述第四连杆41还设置有供所述螺头422显露出第四连杆41外部的旋拧孔415。利用第一限位柱413和第二限位柱414对螺栓42进行限位，既能保证螺栓42能够转动，又能保证螺栓42不会自行移位，结构简单实用。旋拧孔415便于使用者转动螺栓42。
如图4所示，所述蓄力弹性组件5包括蓄力弹簧52、连接块53、与基座1铰接的连接座54以及插设在蓄力弹簧52内部的导向柱55，所述蓄力弹簧52的一端以及所述导向柱55的一端均与连接座54连接，所述蓄力弹簧52的另一端与连接块53的一端连接，所述连接块53的另一端与连接组件4铰接。蓄力弹簧52可能会在使用过程中自行弯曲，导致难以对连接组件4施力。本实施例中利用导向柱55对蓄力弹簧52进行限位，能够保证蓄力弹性在使用过程中呈直线状态，并稳定对连接组件4施力。
如图1所示，所述省力机构还包括与基座1可拆卸连接的盖板11，所述连接组件4以及蓄力弹性组件5设置在盖板11和基座1之间。减少灰尘进入连接组件4以及蓄力弹性组件5，当家具中放置有衣物等容易被钩挂的物件时，盖板11还能够防止连接组件4以及蓄力弹性组件5钩挂物件。
由于家具使用不同材质或尺寸的箱盖91，箱盖91的重力不同，因此，使用者需要根据不同材质或尺寸的箱盖91来调节省力机构中蓄力弹性组件5作用于连接组件4上的输出力的大小。假设需要减小蓄力弹性组件5作用于连接组件4上的输出力时，使用者利用工具经由旋拧孔415拧动螺栓42，由于螺栓42与滑块43螺纹连接，所以转动的螺栓42使得滑块43沿着螺杆421向下斜移，向下斜移的滑块43的凸柱431在滑槽4111内滑动且抵触连接块53向下斜移，向下斜移的连接块53使得整个蓄力弹性组件5顺时针转动设定的角度，同时第四连杆41向下摆动，使得第四连杆41的滑槽4111的侧壁始终抵触滑块43的凸柱431，保证蓄力弹性组件5的输出力始终能够作用于连接组件4上。由于蓄力弹性组件5顺时针转动设定的角度，使得蓄力弹性组件5向连接组件4、第一连杆3以及固定件2提供的竖直方向上的力会逐渐减少，从而减小蓄力弹性组件5作用于连接组件4上的输出力，进而对蓄力弹性组件5作用于连接组件4上的输出力进行调节，调节方便，操作简单。
本发明可以调节扭矩来改变扭力，以达到和箱盖91扭力平衡，进而达到省力效果。
以上所述，仅是本发明较佳实施例而已，并非对本发明作任何形 式上的限制，虽然本发明以较佳实施例公开如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当利用上述揭示的技术内容作出些许变更或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案内容，依据本发明技术是指对以上实施例所作的任何简单修改、等同变化与修饰，均属于本发明技术方案的范围内。

Claims (9)

  1. 一种用于家具上翻支撑的可调节省力机构，其特征在于：包括基座(1)、固定件(2)、第一连杆(3)、连接组件(4)以及蓄力弹性组件(5)，所述第一连杆(3)的一端与固定件(2)的一端铰接，所述第一连杆(3)的另一端与连接组件(4)的一端铰接，连接组件(4)的另一端与基座(1)铰接，所述蓄力弹性组件(5)的一端与基座(1)铰接，所述蓄力弹性组件(5)的另一端与连接组件(4)铰接。
  2. 根据权利要求1所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述省力机构还包括第二连杆(6)和第三连杆(7)，所述第二连杆(6)的一端与所述基座(1)铰接，所述第二连杆(6)的另一端与第三连杆(7)的一端铰接，所述第二连杆(6)的中部与第一连杆(3)的中部铰接，所述第三连杆(7)的另一端与固定件(2)铰接。
  3. 根据权利要求2所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述省力机构还包括缓冲组件(8)，所述缓冲组件(8)包括缓冲弹性件(81)，所述缓冲弹性件(81)的一端固定于所述基座(1)，所述缓冲弹性件(81)的另一端用于抵触第二连杆(6)的所述另一端。
  4. 根据权利要求1所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述连接组件(4)包括第四连杆(41)、与第四连杆(41)转动连接的螺栓(42)以及与所述螺栓(42)螺接的滑块(43)，所述蓄力弹性组件(5)的所述另一端与滑块(43)铰接，所述第四连杆(41)的一端与第一连杆(3)的所述另一端铰接，所述第四连杆(41)的另一端与基座(1)铰接。
  5. 根据权利要求4所述的一种用于家具上翻支撑的可调节省力机构， 其特征在于：所述滑块(43)设有纵截面为圆形的凸柱(431)，蓄力弹性组件(5)的所述另一端凹陷形成有用于容纳所述凸柱(431)的凹槽(51)。
  6. 根据权利要求5所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述第四连杆(41)设有第一夹持部(411)和第二夹持部(412)，第一夹持部(411)和第二夹持部(412)用于夹持蓄力弹性组件(5)的所述另一端，所述第一夹持部(411)设有与所述凸柱(431)滑动连接的滑槽(4111)，所述滑槽(4111)和螺栓(42)均倾斜设置并相互平行。
  7. 根据权利要求4所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述第四连杆(41)设有第一限位柱(413)和第二限位柱(414)，所述螺栓(42)包括螺杆(421)和与螺杆(421)连接的螺头(422)，所述螺杆(421)远离螺头(422)的一端穿过第一限位柱(413)和第二限位柱(414)之间后与所述滑块(43)螺接，所述螺头(422)抵触所述第一限位柱(413)以及所述第二限位柱(414)；所述第四连杆(41)还设置有供所述螺头(422)显露出第四连杆(41)外部的旋拧孔(415)。
  8. 根据权利要求1所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述蓄力弹性组件(5)包括蓄力弹簧(52)、连接块(53)、与基座(1)铰接的连接座(54)以及插设在蓄力弹簧(52)内部的导向柱(55)，所述蓄力弹簧(52)的一端以及所述导向柱(55)的一端均与连接座(54)连接，所述蓄力弹簧(52)的另一端与连接块(53)的一端连接，所述连接块(53)的另一端与连接组件(4)铰接。
  9. 根据权利要求1所述的一种用于家具上翻支撑的可调节省力机构，其特征在于：所述省力机构还包括与基座(1)可拆卸连接的盖板(11)， 所述连接组件(4)以及蓄力弹性组件(5)设置在盖板(11)和基座(1)之间。
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