WO2022063007A1 - 一种自闭液压缓冲合页 - Google Patents

一种自闭液压缓冲合页 Download PDF

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Publication number
WO2022063007A1
WO2022063007A1 PCT/CN2021/118584 CN2021118584W WO2022063007A1 WO 2022063007 A1 WO2022063007 A1 WO 2022063007A1 CN 2021118584 W CN2021118584 W CN 2021118584W WO 2022063007 A1 WO2022063007 A1 WO 2022063007A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
tube body
leaf
shaft
hole
Prior art date
Application number
PCT/CN2021/118584
Other languages
English (en)
French (fr)
Inventor
伍肇坚
Original Assignee
广东兆高金属科技有限公司
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 广东兆高金属科技有限公司 filed Critical 广东兆高金属科技有限公司
Priority to JP2022545397A priority Critical patent/JP7397533B2/ja
Priority to KR1020227032323A priority patent/KR20220157961A/ko
Priority to DE112021000394.1T priority patent/DE112021000394T5/de
Publication of WO2022063007A1 publication Critical patent/WO2022063007A1/zh

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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
    • E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1223—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a compression or traction spring
    • 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
    • E05D11/08—Friction devices between relatively-movable hinge parts
    • 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
    • E05D3/02—Hinges with pins with one pin
    • 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
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/21—Brakes
    • E05Y2201/212—Buffers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to the field of door and window hardware accessories, in particular to hinges.
  • the internal reset components of the self-closing hydraulic buffer hinges on the market and the components of the hydraulic buffer mechanism are set in the same cavity.
  • the foreign objects generated by the reset components due to movement and wear are easy to block the oil circuit of the hydraulic buffer, resulting in the product being easy to Damage, and the complex internal structure of the product leads to a large product volume, which is difficult to coordinate with the door leaf, and is unsightly.
  • the driving member and the through-chutes are generally used as the driving member. When working, it is only point contact, the pressure area is small, the pressure is strong, and the parts are easy to wear.
  • the embodiment of the present invention provides a self-closing hydraulic buffer hinge.
  • the use of an independent oil cylinder reduces the amount of hydraulic oil, saves costs, effectively maintains the cleanliness of the hydraulic oil, and resets the components.
  • the intermeshing screw lifting structure is adopted, the contact surface of the screw sleeve and the screw shaft is large when the screw shaft rotates together, the unit pressure is small, the parts are not easy to wear, and the service life of the hinge is enhanced.
  • a self-closing hydraulic buffer hinge comprising: a convex leaf, a concave leaf, a screw shaft, a pressure spring, an independent oil cylinder, a limiting sleeve, a screw sleeve, a connecting sleeve, the concave leaf and the convex leaf form a hinge, and the concave leaf contains a concave leaf
  • the convex leaf includes the convex leaf and is connected to the edge of the convex leaf
  • the convex-leaf circular tube body, the wall body of the limiting sleeve is axially symmetrically provided with two through grooves, the through grooves include parallel sections and non-parallel sections, the parallel section is parallel to the end face of the limiting sleeve, and the non-parallel section forms with the end face of the limiting slee
  • the upper part of the screw shaft protrudes into the limiting sleeve and the inner cavity of the screw sleeve
  • the cylindrical body of the screw shaft located in the limiting sleeve has a shaft hole
  • the shaft hole is provided with a drive shaft
  • the two ends of the drive shaft extend respectively.
  • the screw shaft located in the screw sleeve and the screw sleeve are matched with an intermeshing screw lifting structure.
  • the screw lifting structure takes the upward axial movement direction of the screw shaft when the hinge is closed as the lift.
  • the two ends of the drive shaft are displaced from the non-parallel section to the parallel section, the upper tube body of the connecting sleeve extends into and is fixed to the inner cavity of the lower end of the convex round tube body, and the lower tube body of the connecting sleeve extends into and The inner cavity of the lower end circular tube body of the concave leaf is slidably connected, the pressure spring is located in the inner cavity of the convex leaf circular tube body and is sleeved on the piston of the independent oil cylinder.
  • the lower end face of the spring abuts against the upper end face of the connecting sleeve, the shell of the independent oil cylinder is embedded in the connecting sleeve, and the piston rod penetrates the inner hole of the pressure spring and is connected with the helical shaft 7;
  • connection methods of the limiting sleeve, the spiral sleeve, the upper end round pipe body and the convex round pipe body are:
  • the limiting sleeve protrudes into and is fixedly connected to the inner cavity of the upper end of the upper end circular tube body
  • the upper tube body of the spiral sleeve protrudes into and slides into the inner cavity of the lower end of the upper end circular tube body
  • the lower tube body of the spiral sleeve protrudes into and is fixedly connected to the convex
  • the inner lumen of the upper end of the circular tube body or:
  • the spiral sleeve extends into and is fixedly connected to the inner cavity of the upper end of the upper end circular tube body, the upper tube body of the restricting sleeve extends into and slides into the inner cavity of the lower end of the upper end circular tube body, and the lower tube body of the restricting sleeve extends into and is fixedly connected to the convex The inner cavity of the upper end of the circular tubular body of the page.
  • screw holes are provided on the convex or concave sheet.
  • a first gasket is arranged between the lower end face of the upper end round tube body and the upper end face of the convex leaf round tube body, and a first gasket is arranged between the upper end face of the lower end round tube body and the lower end face of the convex leaf round tube body. Two gaskets.
  • connection mode of the screw shaft and the piston rod is specifically: the lower rod body of the screw shaft is provided with an inner recess, the wall body of the inner recess is symmetrically provided with a through hole, the upper part of the piston rod is laterally provided with a through hole, and the upper part of the piston rod extends into the inner recess, A pin is arranged through the through hole, and two ends of the pin respectively extend into the through hole.
  • the specific method of embedding the outer shell of the independent oil cylinder in the connecting sleeve is as follows: the lower part of the inner cavity of the connecting sleeve is provided with an inner step, the outer shell of the independent oil cylinder is provided with an annular notch, and the annular notch is embedded with a first circlip, and the inner A circlip groove is arranged below the step, and the circlip groove is embedded with a second circlip.
  • the plane bearing with flange on the inner ring is arranged between the upper end face of the connecting sleeve and the lower end face of the pressure spring, and the flange extends into the inner hole of the pressure spring.
  • the specific manner in which the helical shaft located in the helical sleeve and the helical sleeve are equipped with a helical lifting structure is as follows: the cylindrical surface of the helical shaft is provided with a plurality of outer helical teeth, and the inner hole wall surface of the helical sleeve is provided with a plurality of outer helical teeth. A plurality of inner helical teeth slidingly matched with the helical teeth.
  • first decorative cover is embedded in the outer wall of the limiting sleeve or the spiral sleeve exposed on the upper round tube body
  • second decorative cover is embedded in the outer wall of the tube exposed in the connecting sleeve of the lower end round tube body.
  • the independent oil cylinder also includes an oil cylinder cover and a piston, the piston is arranged on the shaft of the piston rod, the space between the upper end surface of the piston and the lower part of the oil cylinder cover is a pressurized oil chamber, and the lower end surface of the piston is on the inner wall of the casing. The space between the end faces is the oil storage cavity.
  • a hydraulic oil flow control mechanism is provided in the independent oil cylinder.
  • the specific structure of the hydraulic oil flow control mechanism is as follows: from the lower end face of the piston rod, a hole is opened in the shaft body along the axis, and the hole is limited to the position above the piston, and an oil hole is opened on the shaft body of the piston rod to pass the oil.
  • the hole is located on the piston rod shaft between the upper end face of the piston and the lower part of the cylinder cover.
  • the oil-passing hole is connected with the hole.
  • the speed-adjusting oil needle is placed in the hole from bottom to top.
  • the position of the speed-adjusting oil needle in the hole is in diameter. There is a variable diameter on the upper part, and the piston has a one-way oil-passing function.
  • the use of the independent oil cylinder reduces the amount of hydraulic oil, saves the cost, and effectively maintains the cleanliness of the hydraulic oil.
  • the reset member adopts a screw lifting structure that meshes with each other, and the screw sleeve and the screw shaft are in contact when rotating together. The surface is large, the unit pressure is small, and the parts are not easy to wear, so that the service life of the hinge is enhanced.
  • Fig. 1 is the sectional structure schematic diagram of the hinge opening state of the first embodiment of the present invention
  • Fig. 2 is the sectional structure schematic diagram of the hinge closed state of the embodiment of Fig. 1;
  • Fig. 3, Fig. 4 are the schematic diagrams of limiting sleeve
  • Fig. 5 is a structural representation of one of the helical shafts in the present invention.
  • Fig. 6 is the sectional structure schematic diagram of the spiral sleeve in the present invention.
  • Fig. 7 is the sectional structure schematic diagram of the hinge opening state of another embodiment of the present invention.
  • Fig. 8 is the helical shaft structure schematic diagram used in Fig. 7;
  • Fig. 9 is the sectional structure schematic diagram of independent oil cylinder
  • 10 to 12 are schematic diagrams of the present invention when the hinge is opened with screws for installation.
  • the present invention provides a self-closing hydraulic buffer hinge, comprising: a convex leaf 3, a concave leaf 18, a screw shaft 7, a pressure spring 9, an independent oil cylinder 15, a limiting sleeve 2, a screw sleeve 5, a connecting sleeve 10, the concave leaf 18 and the
  • the convex leaf 3 forms a hinge
  • the concave leaf 18 includes a concave leaf piece 181 , an upper end circular tube body 1801 connected with the upper edge of the concave leaf piece 181 , and a lower end circular tube body 1802 connected with the lower edge of the concave leaf piece 181 1802
  • the convex leaf 3 includes a convex leaf piece 31 and a convex leaf circular tube body 311 connected to the edge of the convex leaf piece 31, and the wall body of the limiting sleeve 2 is provided with two through grooves 201 axially symmetrically, and the through grooves include parallel The segment 2011 and the non-parallel
  • the shaft hole 701 is provided with a drive shaft 4, and the two ends of the drive shaft 4 respectively extend into the through grooves 201.
  • the screw shaft 7 and the screw sleeve 5 are matched with a screw lifting structure that meshes with each other.
  • the screw lifting structure takes the upward axial movement direction of the screw shaft 7 as the lift when the hinge is closed.
  • the drive shaft 4 When the hinge is closed to open, the drive shaft 4 The two ends are displaced from the non-parallel section 2012 to the parallel section 2011, the upper tube body of the connecting sleeve 10 extends into and is fixed to the inner cavity of the lower end of the convex round tube body 311, and the lower tube body of the connecting sleeve 10 extends into and The inner cavity of the lower end circular tube body 1802 of the concave leaf 18 is slidably connected, the pressure spring 9 is located in the inner cavity of the convex leaf circular tube body 311 and is sleeved on the piston rod 151 of the independent oil cylinder 15, and the upper end surface of the pressure spring 9 is connected to the spiral
  • the lower end face of the shaft 7 abuts against, the lower end face of the pressure spring 9 abuts against the upper end face of the connecting sleeve 10, the outer casing 157 of the independent oil cylinder 15 is embedded in the connecting sleeve 10, and the piston rod 151 penetrates the inner hole of the
  • connection mode of the limiting sleeve 2, the spiral sleeve 5, the upper end circular pipe body 1801 and the convex circular pipe body 311 is as follows:
  • the restriction sleeve 2 extends into and is fixedly connected to the inner cavity of the upper end of the upper end round tube body 1801, the upper tube body of the spiral sleeve 5 extends into and slides into the inner cavity of the lower end of the upper end round tube body 1801, and the lower tube body of the spiral sleeve 5 extends. into the inner cavity of the upper end of the convex-leaf round tube body 311 and fixed.
  • the drive shaft 4 located in the non-parallel section 2012 drives the screw shaft 7 to rotate in the inner cavity of the screw sleeve 5.
  • the screw shaft 7 moves downward under the action of the screw lead, and the screw shaft 7 moves axially as a whole to push the pressure spring 9 to compress and store energy, and at the same time push the piston rod 151 to retract, so that the hydraulic oil of the buffer cylinder 15 is stored by the oil
  • the cavity 155 flows to the pressurized oil cavity 156 through the one-way valve set on the piston 153.
  • the concave leaf piece 181 drives the limiting sleeve 2 to rotate, so that when the end of the drive shaft 4 is located in the groove of the non-parallel section 2012 of the limiting sleeve 2, the pressure spring 9 releases its elastic force to drive the screw shaft 7 , so that the end of the drive shaft 4 slides along the groove body of the non-parallel section 2012, the screw shaft 7 moves axially upward, and the screw shaft 7 is screwed with the screw sleeve 5, so that the convex sheet 31 and the concave sheet
  • the blade 181 moves and closes relative to the axis of the convex blade circular tube body, and finally the hinge is automatically closed, realizing the controllability of the self-closing angle of the door leaf.
  • the piston rod 151 is pulled out, and the independent oil cylinder
  • the hydraulic oil of 15 flows from the pressure oil chamber 156 to the oil storage chamber 155 to control the axial movement speed of the screw shaft 7 to realize buffer closing.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIGS. 6 to 8 another connection method of the restricting sleeve 2 , the screw sleeve 5 , the upper-end circular pipe body 1801 and the convex-leaf circular pipe body 311 is that the screw sleeve 5 extends into and is fixed to the upper end of the circular pipe body 1801 .
  • the upper tube body of the restriction sleeve 2 extends into and slides into the inner cavity of the lower end of the upper end round tube body 1801, and the lower tube body of the restriction sleeve 2 extends into and is fixedly connected to the inner cavity of the upper end of the convex round tube body 311. cavity.
  • the use of an independent oil cylinder reduces the amount of hydraulic oil, saves costs, and effectively maintains the cleanliness of the hydraulic oil.
  • the reset member adopts an intermeshing screw lifting structure, and the screw sleeve and the screw shaft are in contact when rotating together. The surface is large, the unit pressure is small, and the parts are not easy to wear, so that the service life of the hinge is enhanced.
  • the non-parallel section 2012 is used for opening and closing the door leaf, compressing or relaxing the pressure spring, and the parallel section 2011 is used for, when both ends of the drive shaft are located in the parallel section 2011, the hinge is in a normally open state.
  • the angle formed by the non-parallel section 2012 and the end face of the limiting sleeve 2 can be 90 degrees. or less than 90 degrees.
  • screw holes 19 are provided on the convex sheet 31 or the concave sheet 181 .
  • the screw holes are provided on the blade, so that the hinge in the closed state can be unfolded by screwing in the screw, or screwing in the screw in the open state of the hinge prevents accidental closing, which is convenient for installation and avoids the risk of hand-clamping and hurting people.
  • a first gasket 6 is provided between the lower end surface of the upper end circular tube body 1801 and the upper end surface of the convex leaf circular tube body 311 , and the upper end surface of the lower end circular tube body 1802 is connected to the convex leaf circular tube body 311 .
  • a second gasket 11 is provided between the lower end surfaces of the pipe body 311 .
  • the gasket can also be set as a plane bearing, the purpose is to reduce the frictional force of the tubular body portion of the convex leaf 31 and the concave leaf 181 when they rotate relative to each other, so as to reduce the wear of the parts.
  • the connection method between the screw shaft 7 and the piston rod 151 is as follows: the lower shaft of the screw shaft 7 is provided with an inner recess 704 , the wall of the inner recess is symmetrically provided with through holes 703 , and the upper part of the piston rod 151 is provided with an inner recess 704 .
  • a through hole 1511 is provided laterally, the upper part of the piston rod 151 protrudes into the inner recess 704 , a pin 8 is disposed through the through hole 1511 , and both ends of the pin 8 protrude into the through hole 703 respectively.
  • the specific manner in which the outer shell 157 of the independent oil cylinder 15 is embedded in the connecting sleeve 10 is as follows: the lower part of the inner cavity of the connecting sleeve 10 is provided with an inner step, and the shell body of the outer shell 157 of the independent oil cylinder 15 is provided with an annular notch , the annular groove is embedded with the first retaining spring 12 , the inner step is provided with a retaining spring groove, and the retaining spring groove is embedded with the second retaining spring 13 .
  • the function of the circlip 12 is to limit the upward movement of the casing 157
  • the function of the circlip 13 is to restrain the downward movement of the casing 157 , so that the casing 157 of the buffer cylinder 15 is axially positioned and connected in the inner cavity of the connecting sleeve 10 .
  • the inner ring flanged plane bearing 16 is arranged between the upper end face of the connecting sleeve 10 and the lower end face of the pressure spring 9 , and the flange of the plane bearing 16 extends into the inner hole of the pressure spring 9 .
  • the helical shaft 7 When the helical shaft 7 works, it will drive the pressure spring to rotate and generate a certain frictional force with the upper end surface of the connecting sleeve 10.
  • the purpose of using the plane bearing 16 is to stabilize the axial positioning of the pressure spring 9 and reduce the aforementioned frictional force.
  • the specific manner in which the helical shaft 7 located in the helical sleeve 5 and the helical sleeve 5 are provided with a helical lifting structure is as follows: the cylindrical surface of the helical shaft 7 is provided with A plurality of outer helical teeth 702 , a plurality of inner helical teeth 501 slidably matched with the plurality of outer helical teeth 702 are provided on the inner hole wall surface of the helical sleeve 5 .
  • the screw shaft 7 generates a lead when the inner hole of the screw sleeve 5 rotates in the circumferential direction, and the screw shaft and the screw sleeve are used as the driving member device, especially the multiple outer helical teeth 702 cooperate with the multiple inner helical teeth 501 , The contact surface of the two is more during rotation, the unit pressure is small, and the parts are not easy to wear.
  • the first decorative cover 1 is embedded in the outer wall of the limiting sleeve 2 or the spiral sleeve 5 exposed on the upper round tube body 1801 , and the outer wall of the tube exposed on the connecting sleeve 10 of the lower end round tube body 1802
  • the second decorative cover 14 is embedded.
  • the first decorative cover and the second decorative cover are used to beautify and protect internal components and prevent dust accumulation.
  • the independent oil cylinder 15 also includes an oil cylinder cover 152 and a piston 153 , the piston 153 is arranged on the shaft of the piston rod 151 , and the space between the upper end surface of the piston 153 and the lower part of the oil cylinder cover 152 is the In the oil pressure chamber 156 , the space between the lower end surface of the piston 153 and the upper end surface of the inner wall of the housing 157 is the oil storage chamber 155 .
  • a hydraulic oil flow control mechanism is provided in the independent cylinder 15 .
  • the specific structure of the hydraulic oil flow control mechanism is as follows: from the lower end face of the piston rod 151 along the axis, a hole 1513 is opened in the shaft body, and the hole 1513 is limited to a position above the piston 153.
  • the shaft body of 151 is provided with an oil hole 1512.
  • the oil hole 1512 is located on the shaft body of the piston rod 151 between the upper end face of the piston 153 and the lower part of the cylinder cover 152.
  • the oil hole 1512 communicates with the hole 1513.
  • the speed regulating oil needle 154 is placed from the bottom to the top, and the position of the speed regulating oil needle 154 in the hole 1513 is reduced in diameter, and the piston 153 has a one-way oil-passing function.
  • the hydraulic buffer mechanism can control the closing speed of the door leaf and reduce the closing noise.
  • the speed regulating oil needle controls the amount of hydraulic oil flowing in the hole 1513 more accurately.
  • the relevant parts of the speed regulating oil needle have different thicknesses, when the depth of the speed regulating oil needle entering the hole 1513 is adjusted, the amount of hydraulic oil flowing in the hole 1513 can be changed, allowing the user to The speed of hinge closing is controlled as required, thereby controlling the closing speed of doors, etc.
  • the speed regulating oil needle is preferably tapered.
  • the hydraulic oil in the pressurized oil chamber 156 flows slowly to the oil storage chamber 155 through the oil passage hole 1512 and the gap between the oil needle 154 and the inner hole of the piston rod, so that the axial movement speed of the central shaft can be controlled to realize buffer closing.

Abstract

一种自闭液压缓冲合页，包括：凸页(3)、凹页(18)、螺旋轴(7)、压力弹簧(9)、独立油缸(15)、限制套(2)、螺旋套(5)、连接套(10)，限制套(2)的壁体轴对称地开设有两条贯通槽(201)，贯通槽(201)包括平行段(2011)与不平行段(2012)，位于螺旋套(5)内的螺旋轴(7)与螺旋套(5)配合设置有互相啮合的螺旋升降结构，螺旋升降结构以合页关闭时螺旋轴(7)的向上的轴向运动方向为升程。

Description

一种自闭液压缓冲合页 技术领域
本发明涉及门窗五金配件领域，尤其涉及合页。
背景技术
目前市场上的自闭液压缓冲合页的內部复位构件与液压缓冲机构的构件都是设置同一腔体内，在使用过程中复位构件因运动磨损产生的异物容易堵塞液压缓冲的油路，导致产品容易损坏，而且产品内部结构复杂导致产品体积较大，难以与门扇协调，不美观，且在复位构件中，普遍采用驱动件与贯通斜槽作为驱动构件的装置，贯通斜槽与驱动件之间在工作时只是点接触，受压面积小，压强大，零部件易磨损。
发明内容
本发明实施例提供了一种自闭液压缓冲合页，使用本实施例提供的技术方案，独立油缸的使用减小了液压油用量，节约了成本，有效保持液压油的清洁程度，而且复位构件采用互相啮合的螺旋升降结构，螺旋套与螺旋轴配合转动时接触面较大，单位压强小，零部件不易磨损，使合页的使用寿命增强。
本发明实施例的目的是通过以下技术方案实现的：
提供一种自闭液压缓冲合页，包括：凸页、凹页、螺旋轴、压力弹簧、独立油缸、限制套、螺旋套、连接套，凹页与凸页形成铰接，凹页包含有凹页页片、与凹页页片上部边缘相连接的上端圆管体以及与凹页页片下部边缘相连接的下端圆管体，凸页包含有凸页页片以及与凸页页片边缘相连接的凸页圆管体，限制套的壁体轴对称地开设有两条贯通槽，贯通槽包括平行段与不平行段，平行段与限制套的端面平行，不平行段与限制套的端面形成一定的角度，螺旋轴的上部伸入限制套以及螺旋套的内腔，位于限制套内的螺旋轴的柱身有轴孔，轴孔中贯穿设置有驱动轴，驱动轴的两端头分别伸入贯通槽，位于螺旋套内的螺旋轴与螺旋套配合设置有互相啮合的螺旋升降结构，螺旋升降结构以合页关闭时螺旋轴的向上的轴向运动方向为升程，合页从关闭到打开时，驱动轴的两端头从位于不平行段位移到位于平行段，连接套的上部管体伸入并固接凸页圆管体下端的内腔，连接套的下部管体伸入并滑动连接凹页的下端圆管体的内腔，压力弹簧位于在凸页圆管体的内腔中并套装在独立油缸的活塞上，压力弹簧的上端面与螺旋轴的下端面抵靠，压力弹簧的下端面与连接套的上端面抵靠，独立油缸的外壳嵌装在连接套中，活塞杆贯穿 压力弹簧的内孔并与螺旋轴7相连接；
其中，限制套、螺旋套、上端圆管体以及凸页圆管体的连接方式为：
限制套伸入并固接上端圆管体的上端的内腔，螺旋套的上部管体伸入并滑动连接上端圆管体的下端的内腔，螺旋套的下部管体伸入并固接凸页圆管体的上端的内腔，或：
螺旋套伸入并固接上端圆管体的上端的内腔，限制套的上部管体伸入并滑动连接上端圆管体的下端的内腔，限制套的下部管体伸入并固接凸页圆管体的上端的内腔。
进一步，在凸页页片或凹页页片上设置螺丝孔。
进一步，在上端圆管体的下端面与凸页圆管体的上端面之间设置有第一垫片，在下端圆管体的上端面与凸页圆管体的下端面之间设置有第二垫片。
进一步，螺旋轴与活塞杆连接方式具体为:螺旋轴的下部杆身设置内凹部，内凹部的壁体对称设置贯通孔，活塞杆的上部横向设置通孔，活塞杆的上部伸入内凹部，通孔中贯穿设置有销钉，销钉的两端头分别伸入贯通孔。
进一步，独立油缸的外壳嵌装在连接套中的具体方式为：连接套的内腔下部设置有内台阶，独立油缸的外壳壳身设置环形槽口，环形槽口嵌装第一卡簧，内台阶下方设置有卡簧槽，卡簧槽嵌装第二卡簧。
进一步，内圈带凸缘的平面轴承设置在连接套的上端面与压力弹簧的下端面之间，凸缘伸入压力弹簧的内孔。
进一步，位于螺旋套内的螺旋轴与螺旋套配合设置有螺旋升降结构的具体方式为：螺旋轴的柱身表面设置多条外螺旋状齿牙，螺旋套的内孔壁表面设置与多条外螺旋状齿牙滑动配合的多条内螺旋状齿牙。
进一步，露出于上端圆管体的限制套或螺旋套的管体外壁嵌装第一装饰盖，露出于下端圆管体的连接套的管体外壁嵌装第二装饰盖。
进一步，独立油缸还包含油缸封盖、活塞，活塞设置在活塞杆的轴身上，活塞的上端面至油缸封盖的下方之间的空间为受压油腔，活塞的下端面至外壳的内壁上端面之间的空间为储油腔。
进一步，在独立油缸中设置有液压油流量控制机构。
进一步，液压油流量控制机构的具体结构为：从活塞杆的下端面沿轴线在轴身开设孔道，孔道有限地通至活塞之上的位置，在活塞杆的轴身上开设过油孔，过油孔位于活塞的上端面与油缸封盖的下方之间的活塞杆轴身上，过油孔与孔道相通，在孔道内从 下至上放置调速油针，调速油针在孔道内的部位在直径上呈现变径，活塞具有单向过油功能。
使用本发明的技术方案，独立油缸的使用减小了液压油用量，节约了成本，有效保持液压油的清洁程度，而且复位构件采用互相啮合的螺旋升降结构，螺旋套与螺旋轴配合转动时接触面较大，单位压强小，零部件不易磨损，使合页的使用寿命增强。
附图说明
图1是本发眀第一个实施例的合页打开状态的剖视结构示意图；
图2是图1实施例的合页闭合状态的剖视结构示意图；
图3、图4是限制套的示意图；
图5是本发明中其中一种螺旋轴的结构示意图；
图6是本发明中的螺旋套的剖视结构示意图；
图7是本发明中另一个实施例的合页打开状态的剖视结构示意图；
图8是图7中使用的螺旋轴结构示意图；
图9是独立油缸的剖视结构示意图；
图10至图12是本发明中使用螺丝钉打开合页进行安装时的示意图。
图中：1、第一装饰盖；2、限制套；201、贯通槽；2011、平行段；2012、不平行段；3、凸页；31、凸页页片；311、凸页圆管体；4、驱动轴；5、螺旋套；501、内螺旋状齿牙；6、第一垫片；7、螺旋轴；701、轴孔；702、外螺旋状齿牙；703、贯通孔704、内凹部；8、销钉；9、压力弹簧；10、连接套；11、第二垫片；12、第一卡簧；13、第二卡簧；14、第二装饰盖；15、独立油缸；151、活塞杆；1511、通孔；1512、过油孔；1513、孔道；152、油缸封盖；153、活塞；154、调速油针；155、储油腔；156、受压油腔；157、外壳；16、平面轴承；17、安装孔；18、凹页；181、凹页页片；1801、上端圆管体；1802、下端圆管体；19、螺丝孔。
具体实施方式
为使本发明的目的、技术方案、及优点更加清楚明白，以下参照附图并举实施例，对本发明进一步详细说明。请参考图1至图12进行阅读。
实施例一：
本发明提供一种自闭液压缓冲合页，包括：凸页3、凹页18、螺旋轴7、压力弹簧9、独 立油缸15、限制套2、螺旋套5、连接套10，凹页18与凸页3形成铰接，凹页18包含有凹页页片181、与凹页页片181上部边缘相连接的上端圆管体1801以及与凹页页片181下部边缘相连接的下端圆管体1802，凸页3包含有凸页页片31以及与凸页页片31边缘相连接的凸页圆管体311，限制套2的壁体轴对称地开设有两条贯通槽201，贯通槽包括平行段2011与不平行段2012，平行段2011与限制套2的端面平行，不平行段2012与限制套2的端面形成一定的角度，螺旋轴7的上部伸入限制套2以及螺旋套5的内腔，位于限制套2内的螺旋轴7的柱身有轴孔701，轴孔701中贯穿设置有驱动轴4，驱动轴4的两端头分别伸入贯通槽201，位于螺旋套5内的螺旋轴7与螺旋套5配合设置有互相啮合的螺旋升降结构，螺旋升降结构以合页关闭时螺旋轴7的向上的轴向运动方向为升程，合页从关闭到打开时，驱动轴4的两端头从位于不平行段2012位移到位于平行段2011，连接套10的上部管体伸入并固接凸页圆管体311下端的内腔，连接套10的下部管体伸入并滑动连接凹页18的下端圆管体1802的内腔，压力弹簧9位于在凸页圆管体311的内腔中并套装在独立油缸15的活塞杆151上，压力弹簧9的上端面与螺旋轴7的下端面抵靠，压力弹簧9的下端面与连接套10的上端面抵靠，独立油缸15的外壳157嵌装在连接套10中，活塞杆151贯穿压力弹簧9的内孔并与螺旋轴7相连接；
其中，限制套2、螺旋套5、上端圆管体1801以及凸页圆管体311的连接方式为：
限制套2伸入并固接上端圆管体1801的上端的内腔，螺旋套5的上部管体伸入并滑动连接上端圆管体1801的下端的内腔，螺旋套5的下部管体伸入并固接凸页圆管体311的上端的内腔。
使用本技术方案，实际应用场景如下：
如图1、2、3、4、5、6所示，当合页处于闭合状态时，螺旋轴7与螺旋套5配合位置处于升程末段，驱动轴4的端头位于限制套2管身的不平行段2012的槽体内，此时带有驱动轴4的螺旋轴7的转动是跟随不平行段2012槽体的线路转动的，当打开合页时，凸页页片31与凹页页片181沿凸页圆管体311的轴线相对向外运动，限制套2亦跟随转动，位于不平行段2012内的驱动轴4带动螺旋轴7在螺旋套5的内腔转动，转动过程中，螺旋轴7受螺旋导程的作用向下运动，螺旋轴7整体作轴向移动推动压力弹簧9压缩储能，同时亦将活塞杆151推动回缩，使缓冲油缸15的液压油由储油腔155经活塞153设置的单向阀流向受压油腔156，驱动轴4的端头滑移到限制套2管身的平行段2011的槽体时，由于此段槽体与限制套2端面平行，此时合页继续打开，带有驱动轴4的螺旋轴7 不再跟随限制套2转动，螺旋轴7与螺旋套5两者保持同一角度，也就是螺旋导程不变，即螺旋轴7不产生轴向移动，此时压力弹簧9处于蓄能状态，独立油缸15的活塞杆151亦回缩到下部，此时合页处于自由转动状态，在合页打开状态下，用户若关闭合页，则凹页页片181带动限制套2转动，使到驱动轴4的端头部位于限制套2管身的不平行段2012的槽体时，压力弹簧9释放弹力放能驱动螺旋轴7，使到驱动轴4的端头部沿不平行段2012的槽体滑移，螺旋轴7产生轴向上移动，并且螺旋轴7与螺旋套5螺旋配合，使得凸页页片31与凹页页片181沿凸页圆管体的轴线相对运动闭合，最终使合页自动关闭，实现门扇的自关角度可控化，螺旋轴7轴向移动过程中，将活塞杆151拉出，独立油缸15的液压油从受压油腔156流向储油腔155，控制螺旋轴7的轴向移动速度，实现缓冲关闭。
实施例二：
如图6至8所示，另一种限制套2、螺旋套5、上端圆管体1801以及凸页圆管体311的连接方式为，螺旋套5伸入并固接上端圆管体1801的上端的内腔，限制套2的上部管体伸入并滑动连接上端圆管体1801的下端的内腔，限制套2的下部管体伸入并固接凸页圆管体311的上端的内腔。在打开合页时，凹页页片181带动螺旋套5转动时，螺旋轴7在螺旋套5的内腔转动，转动过程中，螺旋轴7受螺旋导程的作用向下运动，且带动驱动轴4从不平行段2012向平行段2011移动，并且，螺旋轴7整体作轴向移动推动压力弹簧9压缩储能，同时亦将活塞杆151推动回缩。
使用前述两个技术方案，独立油缸的使用减小了液压油用量，节约了成本，有效保持液压油的清洁程度，而且复位构件采用互相啮合的螺旋升降结构，螺旋套与螺旋轴配合转动时接触面较大，单位压强小，零部件不易磨损，使合页的使用寿命增强。而且，其中，不平行段2012的用于开合门扇、压缩或松弛压力弹簧，而平行段2011是用于，当驱动轴两端位于平行段2011时，合页处于常开状态。不平行段2012若作与轴线倾斜为一定角度的设置时，效果是为螺旋轴7轴向移动时获得更大的旋转角度，不平行段2012与限制套2的端面形成的角度可以为90度或小于90度。
进一步，如图10至12所示，在凸页页片31或凹页页片181上设置螺丝孔19。
在页片上设置螺丝孔，是为了可以通过拧入螺丝钉将闭合的状态下的合页展开，或者在合页打开状态下拧入螺丝钉防止误关，方便安装并避免夹手伤人的风险。
进一步，如图1所示，在上端圆管体1801的下端面与凸页圆管体311的上端面之 间设置有第一垫片6，在下端圆管体1802的上端面与凸页圆管体311的下端面之间设置有第二垫片11。
垫片亦可设置为平面轴承，目的在于减小凸页页片31与凹页页片181相对转动时二者的管体部的摩擦力，以减小零部件的磨损。
进一步，如图5、9所示，螺旋轴7与活塞杆151连接方式具体为；螺旋轴7的下部杆身设置内凹部704，内凹部的壁体对称设置贯通孔703，活塞杆151的上部横向设置通孔1511，活塞杆151的上部伸入内凹部704，通孔1511中贯穿设置有销钉8，销钉8的两端头分别伸入贯通孔703。
进一步，如图1所示，独立油缸15的外壳157嵌装在连接套10中的具体方式为：连接套10的内腔下部设置有内台阶，独立油缸15的外壳157壳身设置环形槽口，环形槽口嵌装第一卡簧12，内台阶下方设置有卡簧槽，卡簧槽嵌装第二卡簧13。
卡簧12的作用是限制外壳157向上移动，卡簧13的作用是限制外壳157向下移动，使缓冲油缸15的外壳157轴向定位连接在连接套10的内腔中。
进一步，如图1所示，内圈带凸缘的平面轴承16设置在连接套10的上端面与压力弹簧9的下端面之间，平面轴承16的凸缘伸入压力弹簧9的内孔。
螺旋轴7工作时会带动压力弹簧转动时与连接套10上端面产生一定的摩擦力，使用平面轴承16目的在于稳定压力弹簧9的轴向定位，以及减小前述摩擦力。
进一步，如图1、2、5、6、7、8所示，位于螺旋套5内的螺旋轴7与螺旋套5配合设置有螺旋升降结构的具体方式为：螺旋轴7的柱身表面设置多条外螺旋状齿牙702，螺旋套5的内孔壁表面设置与多条外螺旋状齿牙702滑动配合的多条内螺旋状齿牙501。
螺旋轴7在螺旋套5内孔周向转动时产生导程，釆用螺旋轴与螺旋套配合作为驱动构件装置，特别是多条外螺旋状齿牙702与多条内螺旋状齿牙501配合，转动工作时两者接触面较多，所受单位压强较小，零部件不容易磨损。
进一步，如图1所示，露出于上端圆管体1801的限制套2或螺旋套5的管体外壁嵌装第一装饰盖1，露出于下端圆管体1802的连接套10的管体外壁嵌装第二装饰盖14。
第一装饰盖与第二装饰盖的使用，作用一是美化，二是保护内部部件，防止灰尘堆积。
进一步，如图9所示，独立油缸15还包含油缸封盖152、活塞153，活塞153设置在活塞杆151的轴身上，活塞153的上端面至油缸封盖152的下方之间的空间为受压 油腔156，活塞153的下端面至外壳157的内壁上端面之间的空间为储油腔155。
进一步，在独立油缸15中设置有液压油流量控制机构。
进一步，如图9所示，液压油流量控制机构的具体结构为：从活塞杆151的下端面沿轴线在轴身开设孔道1513，孔道1513有限地通至活塞153之上的位置，在活塞杆151的轴身上开设过油孔1512，过油孔1512位于活塞153的上端面与油缸封盖152的下方之间的活塞杆151轴身上，过油孔1512与孔道1513相通，在孔道1513内从下至上放置调速油针154，调速油针154在孔道1513内的部位在直径上呈现变径，活塞153具有单向过油功能。
液压缓冲机构能控制门扇的关闭速度，减小关门噪音。
进一步，由于液压油的流量得到控制，就能更精确地调整关门的速度。
在本实施例中，调速油针更加精确地对在孔道1513内流动的液压油量进行控制。如图所示，由于调速油针的相关部位是呈现粗细不同的特点，当部调整调速油针进入孔道1513的深度时，即可以改变在孔道1513内流动的液压油量，让使用者根据需要控制合页闭合的速度，从而控制了门扇等的闭合速度。调速油针优选地，可以选择锥形。受压油腔156中的液压油通过过油孔1512以及油针154与活塞杆内孔的间隙缓慢流向储油腔155，由此可以控制中心轴的轴向移动速度，实现缓冲关闭。
以上对本发明实施例所提供的一种自闭液压缓冲合页进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本实用新型的核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上，本说明书内容不应理解为对本发明的限制。

Claims (11)

  1. 一种自闭液压缓冲合页，其特征在于，包括：凸页(3)、凹页(18)、螺旋轴(7)、压力弹簧(9)、独立油缸(15)、限制套(2)、螺旋套(5)、连接套(10)，所述凹页(18)与凸页(3)形成铰接，所述凹页(18)包含有凹页页片(181)、与所述凹页页片(181)上部边缘相连接的上端圆管体(1801)以及与所述凹页页片(181)下部边缘相连接的下端圆管体(1802)，所述凸页(3)包含有凸页页片(31)以及与所述凸页页片(31)边缘相连接的凸页圆管体(311)，所述限制套(2)的壁体轴对称地开设有两条贯通槽(201)，所述贯通槽包括平行段(2011)与不平行段(2012)，所述平行段(2011)与所述限制套(2)的端面平行，所述不平行段(2012)与所述限制套(2)的端面形成一定的角度，所述螺旋轴(7)的上部伸入所述限制套(2)以及所述螺旋套(5)的内腔，位于所述限制套(2)内的所述螺旋轴(7)的柱身有轴孔(701)，所述轴孔(701)中贯穿设置有驱动轴(4)，所述驱动轴(4)的两端头分别伸入所述贯通槽(201)，位于所述螺旋套(5)内的所述螺旋轴(7)与所述螺旋套(5)配合设置有互相啮合的周向运动的螺旋升降结构，所述螺旋升降结构以合页关闭时所述螺旋轴(7)的向上的轴向运动方向为升程，合页从关闭到打开时，所述驱动轴(4)的两端头从位于所述不平行段(2012)位移到位于所述平行段(2011)，所述连接套(10)的上部管体伸入并固接所述凸页圆管体(311)下端的内腔，所述连接套(10)的下部管体伸入并滑动连接所述凹页(18)的下端圆管体(1802)的内腔，所述压力弹簧(9)位于在所述凸页圆管体(311)的内腔中并套装在所述独立油缸(15)的活塞杆(151)上，所述压力弹簧(9)的上端面与所述螺旋轴(7)的下端面抵靠，所述压力弹簧(9)的下端面与所述连接套(10)的上端面抵靠，所述独立油缸(15)的外壳(157)嵌装在所述连接套(10)中，所述活塞杆(151)贯穿所述压力弹簧(9)的内孔并与所述螺旋轴(7)相连接；
    其中，所述限制套(2)、所述螺旋套(5)、所述上端圆管体(1801)以及所述凸页圆管体(311)的连接方式为：
    所述限制套(2)伸入并固接所述上端圆管体(1801)的上端的内腔，所述螺旋套(5)的上部管体伸入并滑动连接所述上端圆管体(1801)的下端的内腔，所述螺旋套(5)的下部管体伸入并固接所述凸页圆管体(311)的上端的内腔，或：
    所述螺旋套(5)伸入并固接所述上端圆管体(1801)的上端的内腔，所述限制套(2)的上部管体伸入并滑动连接所述上端圆管体(1801)的下端的内腔，所述限制套(2)的下部管体伸入并固接所述凸页圆管体(311)的上端的内腔。
  2. 如权利要求1所述的一种自闭液压缓冲合页，其特征在于，在所述凸页页片(31)或凹页页片(181)上设置螺丝孔(19)。
  3. 如权利要求1所述的一种合页，其特征在于，在所述上端圆管体(1801)的下端面与所述凸页圆管体(311)的上端面之间设置有第一垫片(6)，在所述下端圆管体(1802)的上端面与所述凸页圆管体(311)的下端面之间设置有第二垫片(11)。
  4. 如权利要求1所述的一种自闭液压缓冲合页，其特征在于，所述螺旋轴(7)与所述活塞杆(151)连接方式具体为；螺旋轴(7)的下部杆身设置内凹部(704),所述内凹部的壁体对称设置贯通孔(703)，所述活塞杆(151)的上部横向设置通孔(1511),所述活塞杆(151)的上部伸入所述内凹部(704)，所述通孔(1511)中贯穿设置有销钉(8)，所述销钉(8)的两端头分别伸入所述贯通孔(703)。
  5. 如权利要求1所述的一种自闭液压缓冲合页，其特征在于，所述独立油缸(15)的外壳(157)嵌装在所述连接套(10)中的具体方式为：所述连接套(10)的内腔下部设置有内台阶，独立油缸(15)的外壳(157)壳身设置环形槽口，所述环形槽口嵌装第一卡簧(12),所述内台阶下方设置有卡簧槽，所述卡簧槽嵌装第二卡簧(13)。
  6. 如权利要求1至5任一所述的一种自闭液压缓冲合页，其特征在于，内圈带凸缘的平面轴承(16)设置在所述连接套(10)的上端面与所述压力弹簧(9)的下端面之间，所述凸缘伸入所述压力弹簧(9)的内孔。
  7. 如权利要求1至5任一所述的一种自闭液压缓冲合页，其特征在于，位于所述螺旋套(5)内的所述螺旋轴(7)与所述螺旋套(5)配合设置有互相啮合的周向运动的螺旋升降结构的具体方式为：所述螺旋轴(7)的柱身表面设置多条外螺旋状齿牙(702),所述螺旋套(5)的内孔壁表面设置与多条所述外螺旋状齿牙(702)滑动配合的多条内螺旋状齿牙(501)。
  8. 如权利要求1至5任一所述的一种自闭液压缓冲合页，其特征在于，露出于所述上端圆管体(1801)的所述限制套(2)或所述螺旋套(5)的管体外壁嵌装第一装饰盖(1),露出于下端圆管体(1802)的所述连接套(10)的管体外壁嵌装第二装饰盖(14)。
  9. 如权利要求1至5任一所述的一种自闭液压缓冲合页，其特征在于，所述独立油缸(15)还包含油缸封盖(152)、活塞(153)，所述活塞(153)设置在所述活塞杆(151)的轴身上，所述活塞(153)的上端面至所述油缸封盖(152)的下方之间的空间为受压油腔(156)，所述活塞(153)的下端面至所述外壳(157)的内壁上端面之间的空间为 储油腔(155)。
  10. 如权利要求9所述的一种自闭液压缓冲合页，其特征在于，在所述独立油缸(15)中设置有液压油流量控制机构。
  11. 如权利要求10所述的一种自闭液压缓冲合页，其特征在于，所述液压油流量控制机构的具体结构为：从所述活塞杆(151)的下端面沿轴线在轴身开设孔道(1513)，所述孔道(1513)有限地通至所述活塞(153)之上的位置，在所述活塞杆(151)的轴身上开设过油孔(1512)，所述过油孔(1512)位于所述活塞(153)的上端面与所述油缸封盖(152)的下方之间的所述活塞杆(151)轴身上，所述过油孔(1512)与所述孔道(1513)相通，在所述孔道(1513)内从下至上放置调速油针(154)，所述调速油针(154)在所述孔道(1513)内的部位在直径上呈现变径，所述活塞(153)具有单向过油功能。
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