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WO2018165840A1 - 马桶盖阻尼器的结构 - Google Patents

马桶盖阻尼器的结构 Download PDF

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Publication number
WO2018165840A1
WO2018165840A1 PCT/CN2017/076561 CN2017076561W WO2018165840A1 WO 2018165840 A1 WO2018165840 A1 WO 2018165840A1 CN 2017076561 W CN2017076561 W CN 2017076561W WO 2018165840 A1 WO2018165840 A1 WO 2018165840A1
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WO
WIPO (PCT)
Prior art keywords
oil
valve core
groove
damper
rib
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Ceased
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PCT/CN2017/076561
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English (en)
French (fr)
Inventor
游章森
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Individual
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Individual
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Priority to PCT/CN2017/076561 priority Critical patent/WO2018165840A1/zh
Publication of WO2018165840A1 publication Critical patent/WO2018165840A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/04—Buffers for seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/10—Devices for raising and lowering, e.g. tilting or lifting mechanisms; Collapsible or rotating seats or covers
    • 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

Definitions

  • the present invention relates to a toilet cover, and more particularly to a structure of a toilet lid damper.
  • the upper cover and the seat of the toilet are hinged to the toilet body by a hinge. After the user finishes using it, if the toilet lid or the toilet seat is not put down by hand, the toilet lid or the toilet seat and the toilet body will be made. Collision, a lot of noise, and the toilet seat or toilet cover is broken. To this end, some manufacturers have designed a toilet seat with a damping mechanism. Most of the existing damping mechanisms realize the damping function by simply damping the oil pressure. This type of structural damper mainly pushes the oil chamber to close and open the oil chamber by damping oil pressure. When the damper of the class structure is applied to the toilet cover, the opening angle of the cover is limited, and it is impossible to completely silence and slow down.
  • the invention relates to a structure of a toilet cover damper, comprising a valve core sleeve and a damper; the valve core sleeve is sleeved at one end of the damper; the damper comprises a cover, a sealing ring, a valve core, a blade, Oil chamber shell
  • the valve core is provided with a rubber ring groove opened in the circumferential direction from the top, a rib protruding in the axial direction, a pressure relief oil groove opened along the circumferential direction of the valve core wall surface, and the pressure relief oil groove is located in the middle of the rib a rib groove is arranged on each side of the rib, and a large oil groove is arranged between the two rib grooves;
  • the blade is in the shape of a tile, and a strip and a limiting piece extend vertically inwardly along the two sides thereof, and a small oil groove is formed in the middle of the outer wall of the blade, and the blade is attached to the outer wall of the valve core rib.
  • the blocking piece and the limiting piece on the blade are respectively located on both sides of the valve core rib and constitute an angle for limiting the blade swinging;
  • the oil chamber shell is a circular member with two ends open, and a baffle is arranged at a middle portion thereof, and a sinking groove is arranged at a center position of the upper surface of the baffle; and a retaining oil is protruded in a radial direction in the inner wall of the oil chamber shell a surface of the inner surface of the oil baffle that cooperates with the wall surface of the valve core and faces the blade, and a surface of the inner convex surface of the oil baffle forms a damping oil flow passage with the pressure relief oil groove;
  • the cover is sleeved in the oil chamber shell and the outer wall on the outer wall of the cover is welded to the inner wall of the oil chamber shell, and the middle hole of the cover is sleeved on the top end of the valve core; the seal ring is sleeved on the glue of the valve core Inside the circle.
  • the invention further includes an oil discharge hole and a pressure regulating nut;
  • the oil chamber shell baffle is provided with an oil discharge hole, the inner surface of the bottom end of the oil chamber shell is provided with an internal thread, and the top of the pressure regulating nut is provided with a a groove, the pressure regulating nut is sleeved in the bottom end of the oil chamber shell by screwing, and the lower surface of the oil chamber shell baffle cooperates with the groove of the pressure regulating nut to form an oil bearing chamber, the capacity
  • the oil chamber communicates with the oil chamber through the oil discharge hole, and a sealing ring is arranged between the pressure regulating nut and the oil chamber shell.
  • the oil discharge holes are two, located on both sides of the sinking groove.
  • the invention further includes a rotating ring;
  • the valve core is provided with an annular bead in a circumferential direction, the annular bead is located between the apron groove and the rib, and the regulating oil groove is formed on the annular bead and protruded in the axial direction at the central portion thereof
  • the triangular convex hull is arranged;
  • the rotating ring is annular, the middle portion is provided with a triangular groove along the axial direction, the rotating ring is sleeved in the middle of the valve core, the triangular groove on the rotating ring and the triangular convex bulge in the middle of the annular convex ring Cooperate.
  • the regulating oil grooves are two symmetrically arranged, the triangular grooves are six, and the corresponding triangular convex hulls are six.
  • the oil chamber shell wall has two oil retaining plates protruding in the radial direction, and the two oil retaining plates are symmetrically arranged.
  • the valve core has two ribs protruding in the axial direction, and the two ribs are symmetrically disposed.
  • the top end of the valve core is provided with a keyway in the axial direction; the top end portion of the damper valve core has an inverted buckle; the valve core sleeve is provided with a spline groove, and the spline groove is sleeved on the valve core sleeve At the top end of the damper spool, the undercut on the top end is fastened to the mouth of the spline groove of the valve sleeve, so that the spool sleeve is fixedly sleeved on the key groove of the top end of the damper spool.
  • the invention further includes a wear plate; the wear plate is sleeved on the valve core and the wear piece abuts against the inner end of the cover.
  • the invention also includes a casing that is sleeved over the other end of the damper.
  • the present invention has the following advantages:
  • the radial dimension of the sleeve can be designed to have different sizes according to requirements, and can meet the needs of different sizes of toilet covers, and has wide application range.
  • the damper of the present invention comprises a cover, a sealing ring, a wear plate, a rotating ring, a valve core, a blade, an oil chamber shell, and the blade is attached to the outer wall of the valve core rib, and the two on the valve core are appropriately reduced.
  • the size of the root blade ribs can ensure the opening angle of the damper under the condition of the strength of the part, so that the opening angle can reach -5° ⁇ 110°; the advantage is that the shaft hole of the cover plate and the damper can be omitted.
  • the angle, or the empty line angle can be made small to ensure a small amount of shaking of the cover and improve the customer experience.
  • the invention realizes damping by the oil retaining plate on the oil chamber shell and the rib on the valve core and the wall surface of the valve core, and the surface of the inner convex surface of the oil retaining plate and the damping oil flow passage formed by the pressure relief oil groove on the oil plate. Function, the toilet cover swings more smoothly.
  • the present invention adds a rotating ring.
  • the triangular groove on the rotating ring cooperates with the triangular convex hull in the middle of the annular convex ring, under the action of oil pressure.
  • the rotating ring will climb up the slope of the triangular convex hull until it stops against the cover.
  • the slope of the rotating ring and the slope of the spool are still stuck, that is, under the action of the slope structure, the spool is always It is pressed down by the rotating ring and does not climb up, thus compensating for the height error when the end cap is welded.
  • the invention has an oil discharge hole and a pressure regulating nut, which can be moved up and down with respect to the bottom end of the oil chamber by rotating the pressure regulating nut, so that the size of the oil chamber changes, thereby changing the oil quantity in the oil chamber shell, thereby achieving Adjust the size of the damping in the oil chamber shell.
  • Figure 1 is an exploded perspective view of the present invention
  • Figure 2 is an exploded perspective view of the damper of the present invention
  • Figure 3 is a perspective cross-sectional view of the damper of the present invention.
  • Figure 4 is a perspective view of the damper of the present invention.
  • Figure 4A is a perspective cross-sectional view of the damper oil chamber casing of the present invention.
  • Figure 5 is a cross-sectional view of the damper of the present invention in an initial position in which the cover is opened;
  • Figure 6 is a cross-sectional view of the damper of the present invention at the end position of the cover opening
  • Figure 7 is a cross-sectional view of the damper of the present invention in an initial position where the cover is closed;
  • Figure 8 is a cross-sectional view showing the damper of the present invention at the end position of the cover.
  • the present invention is a structure of a toilet lid damper comprising a valve sleeve 1, a casing 2 and a damper 3.
  • valve sleeve 1 and the sleeve 2 are respectively sleeved at both ends of the damper 3.
  • the damper 3 includes a cover 31, a sealing ring 32, a wear plate 33, a rotating ring 34, a valve core 35, a blade 36, an oil chamber shell 37, a pressure regulating nut 38, Decorative box 39.
  • the valve core 35 is provided with a key groove 351 which is opened in the axial direction, two rubber ring grooves 352 which are opened in the circumferential direction, an annular bead 353 which is opened in the circumferential direction, and two protruding in the axial direction from the top to the bottom.
  • the rib 354 has a pressure relief oil groove 355 opened along the circumferential direction of the wall surface of the valve body 35 and the pressure relief oil groove 355 is located at an intermediate position of the rib 354. The depth of the pressure relief oil groove 355 gradually increases, and the two ribs 354 are symmetrically disposed on the rib.
  • a rib groove 3541 is disposed on each side of the 354, a large oil groove 3542 is disposed between the two rib grooves 3541, a regulating oil groove 3531 is formed on the annular ring 353, and a triangular convex hull 3532 is protruded in the axial direction of the central portion thereof.
  • the end of the core 35 key groove 351 has an inverted buckle 3511, and the lower end of the spool 35 is a cylindrical boss 356.
  • the valve sleeve 1 is provided with a spline groove 11.
  • the spline groove 11 of the valve sleeve 1 is sleeved at the end of the key groove 351 of the damper 3, and the end of the key groove 351 is inverted.
  • the buckle 3511 is fastened to the mouth of the spline groove 11 of the valve sleeve 1, so that the valve sleeve 1 is fixedly sleeved on the key groove 351 of the damper 3 of the damper 3.
  • the blade 36 has a tile shape, and a block 361 and two limiting pieces 362 extend vertically inwardly along the two sides thereof, and a small oil groove 363 is formed in the middle of the outer wall of the blade 36, and the blade 36 is attached to the blade 36.
  • the blocking piece 361 and the limiting piece 362 on the blade 36 are respectively located on both sides of the rib 354 of the valve core 35, and at the same time, the limiting piece 362 is located in the rib groove 3541, which constitutes the restriction of the blade 36. Angle.
  • the oil chamber shell 37 is a circular member that is open at both ends, and a baffle 374 is disposed at a middle portion thereof.
  • the center of the upper surface of the sweeping plate 374 is provided with a sinking groove 372 on the baffle 374.
  • Two oil discharge holes 371 are provided on both sides of the sinking groove 372, and two oil retaining plates 373 are protruded in the radial direction of the inner wall of the oil chamber shell 37, and two oil retaining plates 373 are symmetrically arranged; the oil retaining plate 373
  • the surface 3731 of the inner convex surface cooperates with the wall surface of the valve core 35 and is opposite to the vane 36.
  • the surface 3731 of the inner convex surface of the oil retaining plate 373 forms a damping oil flow passage with the pressure relief oil groove 355; the sinking groove 372 of the oil chamber shell 37 is sleeved at The cylindrical boss 356 at the lower end of the spool 35 serves as another fulcrum for the oil chamber shell 37 to rotate relative to the spool 35; the inner surface of the bottom end 375 of the oil chamber shell 37 is provided with an internal thread 376.
  • the cover 31 is sleeved in the upper end of the oil chamber shell 37 and the outer wall of the cover 31 is welded to the inner wall of the oil chamber shell 37.
  • the middle hole 311 of the cover 31 is sleeved at the end of the key groove 351 of the valve core 35.
  • the wear piece 33 is sleeved on the valve core 35 and the wear piece 33 abuts against the inner end of the cover 31.
  • the sealing ring 32 has two, and the two sealing rings 32 are respectively sleeved in the rubber ring groove 352 of the valve core 35.
  • the top of the pressure regulating nut 38 is provided with a recess 381.
  • the pressure regulating nut 38 is screwed into the bottom end 375 of the oil chamber shell 37 with the internal thread 376 in the bottom end 375 of the oil chamber shell 37.
  • the lower surface of the baffle 374 of the oil chamber shell 37 cooperates with the groove 381 of the pressure regulating nut 38 to form an oil-receiving chamber, and the oil-receiving chamber communicates with the oil chamber shell 37 through the two oil discharge holes 371.
  • a sealing ring 310 is disposed between the pressure nut 38 and the oil chamber casing 37.
  • the decorative box 39 is sleeved at the lower end of the oil chamber shell 37 and penetrates the pressure regulating nut 38.
  • the rotating nut 38 can be used to drive the pressure regulating nut 38 relative to the oil chamber.
  • the bottom end 375 of the shell 37 moves up and down, so that the size of the oil chamber is changed, and the oil quantity in the oil chamber shell 37 is changed, thereby achieving the purpose of adjusting the damping amount in the oil chamber shell 37.
  • the valve sleeve 1 is sleeved at one end of the damper 3, so that the damper 3 is fixedly connected to the toilet seat through the valve sleeve 1, that is, the valve core 35 is always fixed, and the oil chamber shell 37 is sleeved on The toilet lid and the toilet seat such that the oil chamber shell 37 is driven by the toilet lid or the toilet seat, that is, the oil chamber shell 37 is rotated relative to the valve core 35; further, the shell sleeve 2 is sleeved on the damper 3 One end, that is, the casing 2 is sleeved on the outer surface of the oil chamber casing 37, so that the outer diameter of the oil chamber casing 37 that is sleeved on the toilet lid and the toilet seat is enlarged to meet different sizes of the toilet lid and the toilet seat.
  • the rotating ring 34 has an annular shape, and a middle portion is provided with a triangular groove 341 in the axial direction.
  • the rotating ring 34 is sleeved in the middle of the valve core 35, and the triangular groove 341 on the rotating ring 34 and the annular ring in the middle of the valve core 35.
  • the triangular convex hull 3532 on the 353 cooperates, and under the action of the oil pressure, the rotating ring 34 will climb up along the slope of the triangular convex hull 3532 until it is pressed against the cover 31.
  • the symmetrical arrangement on the valve core 35 is provided with two regulating oil grooves 3531, and the triangular ring on the rotating ring 34 There are six grooves 341, and six triangular convex hulls 3532 on the central annular bead 353 of the corresponding valve core 35 are six.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

一种马桶盖阻尼器的结构，包括阀芯套(1)、壳套(2)和阻尼器(3)；所述的阀芯套(1)和壳套(2)分别套接在阻尼器(3)的两端。由于壳套(2)的径向尺寸可根据需要设计成具有不同的尺寸，可满足不同尺寸马桶盖板的需要。阻尼器(3)的叶片(36)贴合在阀芯(35)肋条(354)的外壁上，叶片(36)上的挡片(361)和限位片(362)分别位于阀芯(35)肋条(354)的两侧，通过适当的减小阀芯(35)上两根叶片(36)肋条(354)尺寸，在保证零件强度的基础上增加了阻尼器的打开角度；通过油腔壳(37)上的挡油板(373)与阀芯(35)上的肋条(354)、阀芯壁面配合，以及挡油板(373)的内凸面的表面与卸压油槽(355)形成阻尼油流动通道，实现阻尼功能，马桶盖板摆动动作更加平稳；同时增设了旋转环(34)，从而保证了马桶盖板缓降时间的稳定性。

Description

马桶盖阻尼器的结构 技术领域
本发明涉及一种马桶盖，特别是涉及一种马桶盖阻尼器的结构。
背景技术
传统的马桶中，马桶的上盖和座圈都通过铰链与马桶本体铰接，人们在使用完后，若不用手将马桶盖或者马桶圈轻放下去，就会使马桶盖或马桶圈与马桶本体相撞，产生很大的噪音，也会是马桶圈或马桶盖破损。为此，有业者就设计出带阻尼机构的马桶盖，现有阻尼机构大都单纯通过阻尼油压力实现阻尼功能，这类结构阻尼器主要通过阻尼油压力推动叶片实现油腔的封闭和打开，这类结构的阻尼器应用到座便器盖板上时，盖板的打开角度受到限制，无法实现完全静音和慢落效果。
发明内容
本发明的目的在于提供一种适用范围广、动作平稳、打开角度大、密封性能好、缓降时间稳定的马桶盖阻尼器的结构。
为实现上述目的，本发明的技术解决方案是：
本发明是一种马桶盖阻尼器的结构，包括阀芯套和阻尼器；所述的阀芯套套接在阻尼器的一端；所述的阻尼器包括封盖、密封圈、阀芯、叶片、油腔壳；
所述的阀芯自上而下设有沿圆周方向开设的胶圈槽、沿轴线方向凸设的肋条、沿阀芯壁面的圆周方向开设的卸压油槽且该卸压油槽位于肋条的中间位置，在肋条的两侧分别设有肋条槽，在两肋条槽之间设有大过油槽；
所述的叶片呈瓦状，沿其两侧边分别垂直向内延伸出一块挡片和一块限位片，在叶片的外壁中部开设一条小过油槽，叶片贴合在阀芯肋条的外壁上，叶片上的挡片和限位片分别位于阀芯肋条的两侧且构成了限制叶片摆动的角度；
所述的油腔壳为两端敞开的圆形构件，在其中部设有挡板，挡板上表面的中心位置设有沉槽；在油腔壳内腔壁沿径向方向凸设挡油板，该挡油板的内凸面的表面与阀芯壁面配合且与叶片相对，该挡油板的内凸面的表面与卸压油槽形成阻尼油流动通道；
所述的封盖套置在油腔壳内且封盖外壁上的外壁与油腔壳内壁焊接，封盖的中孔套接在阀芯的顶端；所述的密封圈套接在阀芯的胶圈槽内。
本发明还包括卸油孔和调压螺母；所述油腔壳挡板上设有卸油孔，所述油腔壳的底端内表面设置有内螺纹，所述的调压螺母顶部设有一凹槽，所述的调压螺母通过螺纹连接的方式套置在油腔壳底端内，所述油腔壳挡板的下表面与调压螺母的凹槽配合形成一容油腔，该容油腔通过卸油孔与油腔壳相通，在调压螺母与油腔壳之间设有密封圈。所述的卸油孔为两个，位于沉槽的两侧。
本发明还包括旋转环；所述的阀芯沿圆周方向开设有环形凸圈，该环形凸圈位于胶圈槽与肋条之间，在环形凸圈上开设调控油槽和在其中部沿轴线方向凸设三角凸包；所述的旋转环呈环状，其中部沿轴线方向设有三角凹槽，旋转环套接在阀芯中部，旋转环上的三角凹槽与环形凸圈中部的三角凸包配合。
所述调控油槽为对称设置的两个，所述三角凹槽为六个，对应的所述三角凸包为六个。
所述的油腔壳内腔壁沿径向方向凸设两块挡油板，两块挡油板对称设置。
所述的阀芯沿轴线方向上凸设两条肋条，两条肋条对称设置。
所述阀芯的顶端沿轴线方向开设有键槽；所述的阻尼器阀芯上的顶端部具有一倒扣；所述的阀芯套上开设有花键槽，阀芯套上的花键槽套接在阻尼器阀芯的顶端，顶端部上的倒扣扣接在阀芯套花键槽的口部，使阀芯套固定套接在阻尼器阀芯的顶端的键槽上。
本发明还包括耐磨片；所述的耐磨片套接在阀芯上且耐磨片与封盖的内端抵靠。
本发明还包括壳套，所述的壳套套接在阻尼器的另一端。
采用上述方案后，本发明具有以下优点：
1、由于本发明阀芯套、壳套和阻尼器，壳套的径向尺寸可根据需要设计成具有不同的尺寸，可满足不同尺寸马桶盖板的需要，适用范围广。
2、本发明的阻尼器包括封盖、密封圈、耐磨片、旋转环、阀芯、叶片、油腔壳，叶片贴合在阀芯肋条的外壁上，通过适当的减小阀芯上两根叶片肋条尺寸，保证零件强度的条件下，可以增加阻尼器的打开角度，从而使打开角度达到-5°~110°；带来的好处为盖板与阻尼器配合的转轴孔可以不做空行角，或者空行角可以做小，从而保证盖板较小的晃动量，提高客户体验。
3、本发明通过油腔壳上的挡油板与阀芯上的肋条、阀芯壁面配合，以及挡油板的内凸面的表面与卸压油槽形成的阻尼油流动通道在油板，实现阻尼功能，马桶盖板摆动动作更加平稳。
4、本发明增设了旋转环，当封盖焊接量少时或者阻尼器工作过程零件产生磨损后，旋转环上的三角凹槽与环形凸圈中部的三角凸包配合，在油压的作用下，旋转环会沿三角凸包的斜坡向上爬，直到顶住封盖，此时旋转环的斜坡和阀芯的斜坡依旧是贴死的，也就是说，在斜坡结构的作用下，阀芯始终被旋转环向下压住，不会上爬，从而补偿了端盖焊接时的高度误差。保证了阀芯的环形凸圈下表面和叶片侧面间隙始终为0mm，保证了过油面积大小始终不变，从而保证了马桶盖板缓降时间的稳定性。
5、本发明增设了卸油孔和调压螺母，可以通过旋转调压螺母相对油腔壳底端上下移动，使容油腔大小发生变化，进而使油腔壳内油量发生变化，从而达到调整油腔壳内阻尼大小的目的。
下面结合附图和具体实施例对本发明作进一步的说明。
附图说明
图1是本发明的立体分解图；
图2是本发明阻尼器的立体分解图；
图3是本发明阻尼器的立体剖视图；
图4是本发明阻尼器的轴测图；
图4A是本发明阻尼器油腔壳的立体剖视图；
图5是本发明阻尼器在盖板打开初始位置的剖视图；
图6是本发明阻尼器在盖板打开结束位置的剖视图；
图7是本发明阻尼器在盖板落合初始位置的剖视图；
图8是本发明阻尼器在盖板落合结束位置的剖视图。
具体实施方式
如图1所示，本发明是一种马桶盖阻尼器的结构，包括阀芯套1、壳套2和阻尼器3。
所述的阀芯套1和壳套2分别套接在阻尼器3的两端。
如图2-图4所示，所述的阻尼器3包括封盖31、密封圈32、耐磨片33、旋转环34、阀芯35、叶片36、油腔壳37、调压螺母38、装饰盒39。
所述的阀芯35自上而下设有沿轴线方向开设的键槽351、沿圆周方向开设的两条胶圈槽352、沿圆周方向开设的环形凸圈353、沿轴线方向凸设的两条肋条354、沿阀芯35壁面的圆周方向开设的卸压油槽355且该卸压油槽355位于肋条354的中间位置，该卸压油槽355的深度逐渐变大，两条肋条354对称设置，在肋条354的两侧分别设有肋条槽3541，在两肋条槽3541之间设有大过油槽3542，在环形凸圈353上开设调控油槽3531和在其中部沿轴线方向凸设三角凸包3532，阀芯35键槽351的端部具有一倒扣3511，阀芯35的下端为一个柱形凸台356。
参考图1所示，所述的阀芯套1上开设有花键槽11，阀芯套1上的花键槽11套接在阻尼器3阀芯35的键槽351端，键槽351端部上的倒扣3511扣接在阀芯套1花键槽11的口部，使阀芯套1固定套接在阻尼器3阀芯35的键槽351上。
所述的叶片36呈瓦状，沿其两侧边分别垂直向内延伸出一块挡片361和两块限位片362，在叶片36的外壁中部开设一条小过油槽363，叶片36贴合在阀芯35肋条354的外壁上，叶片36上的挡片361和限位片362分别位于阀芯35肋条354的两侧，同时，限位片362位于肋条槽3541内，构成了限制叶片36摆动的角度。
参考图4A所示，所述的油腔壳37为两端敞开的圆形构件，在其中部设有挡板374，扫板374上表面的中心位置设有沉槽372，在挡板374上设有两卸油孔371且位于沉槽372的两侧，在油腔壳37内腔壁沿径向方向凸设两块挡油板373，两块挡油板373对称设置；挡油板373的内凸面的表面3731与阀芯35壁面配合且与叶片36相对，挡油板373的内凸面的表面3731与卸压油槽355形成阻尼油流动通道；油腔壳37的沉槽372套接在阀芯35下端的柱形凸台356上，作为油腔壳37相对阀芯35转动的另一支点；所述油腔壳37的底端375内表面设置有内螺纹376。
所述的封盖31套置在油腔壳37的上端内且封盖31外壁与油腔壳37内壁焊接，封盖31的中孔311套接在阀芯35的键槽351端。
所述的耐磨片33套接在阀芯35上且耐磨片33与封盖31的内端抵靠。
所述的密封圈32有两根，两根密封圈32分别套接在阀芯35的胶圈槽352内。
所述的调压螺母38顶部设有一凹槽381，所述的调压螺母38通过螺纹连接的方式与油腔壳37底端375内的内螺纹376配合套置在油腔壳37底端375敞开部内，所述油腔壳37挡板374的下表面与调压螺母38的凹槽381配合形成一容油腔，该容油腔通过两卸油孔371与油腔壳37相通，在调压螺母38与油腔壳37之间设有密封圈310，装饰盒39套置在油腔壳37的下端且穿入调压螺母38，可以通过旋转装饰盒39带动调压螺母38相对油腔壳37底端375上下移动，使容油腔大小发生变化，进而使油腔壳37内油量发生变化，从而达到调整油腔壳37内阻尼大小的目的。
所述的阀芯套1套接在阻尼器3的一端，使得阻尼器3通过阀芯套1与马桶座固定连接，即，阀芯35为始终固定不动，而油腔壳37套接于马桶盖和马桶座圈，使得油腔壳37被马桶盖或马桶座圈带动，即，油腔壳37相对于阀芯35转动；更进一步，所述壳套2套接在阻尼器3的另一端，即，壳套2套接于油腔壳37外表面，从而使得套接于马桶盖和马桶座圈的油腔壳37外径变大，以满足不同尺寸的马桶盖和马桶座圈。
所述的旋转环34呈环状，其中部沿轴线方向设有三角凹槽341，旋转环34套接在阀芯35中部，旋转环34上的三角凹槽341与阀芯35中部环形凸圈353上的三角凸包3532配合，在油压的作用下，旋转环34会沿三角凸包3532的斜坡向上爬，直到顶住封盖31。为了使旋转环34与阀芯35中部环形凸圈353上的三角凸包3532配合运动更平稳，所述阀芯35上的对称的设置有两个调控油槽3531，所述旋转环34上的三角凹槽341为六个，对应的所述阀芯35中部环形凸圈353上的三角凸包3532为六个。
本发明的工作原理：
如图5所示，盖板打开初始时，盖板向上翻转使油腔壳37的挡油板373挠动阻尼油（如图5中箭头所示）流动，带动叶片36与阀芯35肋条354分离，大过油槽3542打开，阻尼油从大过油槽3542通过，因此阻力小。
如图6所示，盖板打开结束时，盖板向上翻转使油腔壳37的挡油板373挠动阻尼油（如图6中箭头所示）流动，阻尼油同时穿过大过油槽3542和挡油板373的内凸面的表面3731与阀芯35卸压油槽355，过油通道增多，阻尼油可快速通过过油通道，阻尼油对挡油板373无阻尼阻力小，使盖板打开过程中非常轻便。
如图7所示，盖板落合开始时，盖板落合使油腔壳37的挡油板373挠动阻尼油（如图7中箭头所示）流动，带动叶片36与阀芯35肋条354贴合，大过油槽3542关闭，阻尼油同时穿过叶片36小过油槽363与油腔壳37内壁、阀芯35卸压油槽355与挡油板373的内凸面的表面3731之间的间隙流动，过油间隙较大，使阻尼油快速通过过油通道，阻尼油对挡油板373阻力小，使盖板能较快落下。
如图8所示，盖板落合结束时，盖板落合使油腔壳37的挡油板373挠动阻尼油（如图8中箭头所示）流动，挡油板373的内凸面的表面3731与阀芯35壁面贴合，阻尼油只能从叶片36小过油槽363与油腔壳37内壁穿过，过油间隙小，形成小过油槽过油，盖板落合阻力大，形成缓降效果。
以上所述，仅为本发明较佳实施例而已，阻尼器中阀芯与叶片的配合方式可有多种，故不能以此限定本发明实施的范围，即依本发明申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明专利涵盖的范围内。

Claims (10)

  1. 一种马桶盖阻尼器的结构，其特征在于：包括阀芯套和阻尼器；所述的阀芯套套接在阻尼器的一端；所述的阻尼器包括封盖、密封圈、阀芯、叶片、油腔壳；
    所述的阀芯自上而下设有沿圆周方向开设的胶圈槽、沿轴线方向凸设的肋条、沿阀芯壁面的圆周方向开设的卸压油槽且该卸压油槽位于肋条的中间位置，在肋条的两侧分别设有肋条槽，在两肋条槽之间设有大过油槽；
    所述的叶片呈瓦状，沿其两侧边分别垂直向内延伸出一块挡片和一块限位片，在叶片的外壁中部开设一条小过油槽，叶片贴合在阀芯肋条的外壁上，叶片上的挡片和限位片分别位于阀芯肋条的两侧且构成了限制叶片摆动的角度；
    所述的油腔壳为两端敞开的圆形构件，在其中部设有挡板，挡板上表面的中心位置设有沉槽；在油腔壳内腔壁沿径向方向凸设挡油板，该挡油板的内凸面的表面与阀芯壁面配合且与叶片相对，该挡油板的内凸面的表面与卸压油槽形成阻尼油流动通道；
    所述的封盖套置在油腔壳内且封盖外壁上的外壁与油腔壳内壁焊接，封盖的中孔套接在阀芯的顶端；所述的密封圈套接在阀芯的胶圈槽内。
  2. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：还包括卸油孔和调压螺母；所述油腔壳挡板上设有卸油孔，所述油腔壳的底端内表面设置有内螺纹，所述的调压螺母顶部设有一凹槽，所述的调压螺母通过螺纹连接的方式套置在油腔壳底端内，所述油腔壳挡板的下表面与调压螺母的凹槽配合形成一容油腔，该容油腔通过卸油孔与油腔壳相通，在调压螺母与油腔壳之间设有密封圈。
  3. 根据权利要求2所述的马桶盖阻尼器的结构，其特征在于：所述的卸油孔为两个，位于沉槽的两侧。
  4. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：还包括旋转环；所述的阀芯沿圆周方向开设有环形凸圈，该环形凸圈位于胶圈槽与肋条之间，在环形凸圈上开设调控油槽和在其中部沿轴线方向凸设三角凸包；所述的旋转环呈环状，其中部沿轴线方向设有三角凹槽，旋转环套接在阀芯中部，旋转环上的三角凹槽与环形凸圈中部的三角凸包配合。
  5. 根据权利要求4所述的马桶盖阻尼器的结构，其特征在于：所述调控油槽为对称设置的两个，所述三角凹槽为六个，对应的所述三角凸包为六个。
  6. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：所述的油腔壳内腔壁沿径向方向凸设两块挡油板，两块挡油板对称设置。
  7. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：所述的阀芯沿轴线方向上凸设两条肋条，两条肋条对称设置。
  8. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：所述阀芯的顶端沿轴线方向开设有键槽；所述的阻尼器阀芯上的顶端部具有一倒扣；所述的阀芯套上开设有花键槽，阀芯套上的花键槽套接在阻尼器阀芯的顶端，顶端部上的倒扣扣接在阀芯套花键槽的口部，使阀芯套固定套接在阻尼器阀芯的顶端的键槽上。
  9. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：还包括耐磨片；所述的耐磨片套接在阀芯上且耐磨片与封盖的内端抵靠。
  10. 根据权利要求1所述的马桶盖阻尼器的结构，其特征在于：还包括壳套，所述的壳套套接在阻尼器的另一端。
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