CN102934965B - Rotating damping buffer - Google Patents
Rotating damping buffer Download PDFInfo
- Publication number
- CN102934965B CN102934965B CN201210329137.2A CN201210329137A CN102934965B CN 102934965 B CN102934965 B CN 102934965B CN 201210329137 A CN201210329137 A CN 201210329137A CN 102934965 B CN102934965 B CN 102934965B
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- Prior art keywords
- driven shaft
- moving axis
- rotor
- shaft
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 103
- 239000000872 buffer Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims description 17
- 238000009987 spinning Methods 0.000 claims description 17
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 111
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007383 open-end spinning Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
Disclosed is a rotating damping buffer. The rotating damping buffer comprises a case and a spindle core, damping oil is filled in the case, the spindle core is matched with an inner cavity of the case in a sealing and rotating mode, the spindle core is at least provided with a rotor wing which is attached to the inner wall of the case and capable of disturbing the damping oil to flow, at least one blocking wall which is abutted to the spindle core and blocks the flow of the damping oil is arranged on the inner wall of the case in a radial direction, a driving shaft and a driven shaft which are axially abutted are connected in an intermittent differential shaft coupling mode in a rotating direction to form the spindle core, the rotor wing of the driving shaft and the rotor wing of the driven shaft are staggered in an undamped rotating direction to form an oil passing way, the rotor wing of the driving shaft and the rotor wing of the driven shaft are matched in a counterpoint mode in a damping rotating direction to close the oil passing way, the rotor wing of the driving shaft and the rotor wing of the driven shaft are forcefully staggered to enable the oil to pass or aligned and matched to seal the oil in the rotating direction, function failure caused by damping oil sticking is avoided, and undamped rotating or damping rotating function of the spindle core is achieved. According to the rotating damping buffer, a one-way oil passing unit is not arranged on the rotor wing, and the rotating angle of the spindle core in the case can reach to 135 degrees.
Description
Technical field
The present invention relates to a kind of hydraulic rotating buffer, be particularly installed on a kind of damping due to rotation buffer on water-closet bowl cover plate.
Background technology
Current hydraulic rotating buffer application is very extensive, and in kitchen guarding field, buffer is used in the time of falling after rise to extend cover plate down turnover cover on the cover plate of toilet, avoids cover plate striker closet generation sound, this class hydraulic rotating buffer is as a kind of rotary damper of the day disclosure (JP2000120748), this damping mechanism comprises axle core, housing, unidirectional element, damping oil, housing is extended and is provided with two barricades to center by inwall one, axle core is contained in housing, the outer wall of axle core is resisted against the top of two barricades of housing, the outside one of axle core is extended two rotors that are provided with, damping oil is filled in the interior remaining space of housing of sealing, groove on axle core rotor and housing internal perisporium arrange the blade (quite unidirectional element) of a T shape, the protruding 42a that blade below arranges, 42b is for forming crossing hydraulic fluid port 43 and making hydraulic fluid port and a trench wall Heng Tong wherein in the middle of blade, its main purpose is for channel bottom is communicated with this cell wall, make T shape blade another side can separate with groove another side to open oil circuit or be affixed and close oil circuit, the problem that this rotary damper exists is: hydraulic differential check valve is set on rotating shaft rotor and between housing internal perisporium, the hydraulic-driven that the unidirectional element public affairs of this check valve are produced by damping oil, in the time that damping oil viscosity is large, unidirectional element is because of viscous problem, make unidirectional element be subject to hydraulically powered sensitivity poor, may cause damping function to lose efficacy, and this one-way valve structures more complicated forming on rotating shaft rotor and between housing internal perisporium, cost is higher, assembles also cumbersome, also have the setting of groove on axle core rotor, consider to increase rotor thickness for intensity, the rotational angle that also makes axle core rotor limited by barricade diminishes.
Exist the hydraulic rotating buffer of the problems referred to above to also have the open rotary damper of (JP6193665A, JP10169688A, JP2004-68991A, JP9280290A) of Japanese documentation and the rotary damper of Chinese patent literature disclosed (CN101191397A, CN200961659, CN201445457, CN201481294).
Summary of the invention
The problem existing for solving above-mentioned rotary damper, the present invention is intended to propose a kind of damping due to rotation buffer, by the axle core in barrel-type casing is divided into two sections vertically, between two sections of axle cores, spinning up differential shaft coupling cooperation, force rotor on two sections of axle cores sequence on turning to form oil channel or oil channel is closed in phase contraposition, so that undamped quick rotation or have damping slow rotation in the oil pocket that rotor is limited by barricade in housing makes water-closet bowl cover plate undamped upwards upset or the damping upset downwards at a slow speed being fast fixedly connected with axle core or housing.
For reaching above-mentioned purpose, the invention provides a kind of damping due to rotation buffer, containing a housing and one and the axle core that is rotatably assorted of housing bore seal of filling damping oil, on axle core, be at least provided with one with the rotor of inner walls laminating flexible dynamic damping oil flow, at least one and axle core are upwards set in inner walls footpath and conflict and stop the barricade that damping oil is mobile, it is characterized in that: described axle core is by axially inconsistent one executing moving axis and a driven shaft and connect and compose spinning up intermittence differential shaft coupling; Execute the rotor of moving axis and the rotor of driven shaft and spin up while staggering and form oil channel in undamped, execute the rotor of moving axis and the rotor of driven shaft and spin up and when contraposition suits, close oil channel in damping.
Described executing is equipped with double wedge and the teeth groove nibbled mutually in the axial direction between moving axis and driven shaft; Double wedge and teeth groove are in axle mandrel upwards conflict laminating, the intermittently differential cooperation that spins up at axle core; Double wedge and teeth groove spin up while pushing up mutually in the undamped of axle core, execute the rotor of moving axis and the dislocation of the rotor of driven shaft forms oil channel; Double wedge and teeth groove spin up while pushing up mutually in the damping of axle core, execute the rotor of moving axis and the rotor contraposition of driven shaft and suit and close oil channel; Execute moving axis and driven shaft and spinning up differential cooperation by double wedge with teeth groove, make to execute the rotor of moving axis and the rotor of driven shaft and coordinate controlled differential intermittence spinning up.
Described two double wedges and two teeth groove executed on moving axis are spinning up right-angled intersection distribution, and two double wedges and two teeth groove on described driven shaft are spinning up right-angled intersection distribution; The double wedge of executing moving axis and teeth groove respectively with moving axis on teeth groove and double wedge right-angled intersection nibble mutually; Making to execute moving axis coordinates with driven shaft formation cross groove shaft coupling.
The barricade that described inner walls footpath is upwards provided with has two, two barricades Central Symmetry in housing; The rotor of executing on moving axis has two, and two rotors are radially gone up Central Symmetry executing moving axis; Rotor on driven shaft has two, and two rotors are radially gone up Central Symmetry at driven shaft.In the oil pocket that rotor limits at barricade in housing with executing moving axis, driven shaft rotates; Driven shaft and execute moving axis between rotor spinning up while suiting contraposition, damping oil cannot be fast from driven shaft and execute moving axis between rotor pass through, damping oil only can touch the slow infiltrate in gap between face from the subsides in rotor and housing, damping oil produces hydraulic damping to rotor, makes driven shaft and the moment of torsion of the axle core of executing moving axis formation become large and produce damping rotary at a slow speed; Otherwise driven shaft with execute moving axis between rotor be communicated with the quick oil channel of each rotor both sides spinning up to stagger to form, make damping oil can pass through fast rotor both sides, damping oil to rotor without hydraulic damping power, be damping oil to rotor without flowed friction, make driven shaft and the axle core undamped rotation fast of executing moving axis and forming.
One axial end of the rotor of described driven shaft and housing inner chamber bottom surface are pasted to touch and are slidably matched, on housing inner chamber bottom surface, two barricade sides are arranged with two axial end of rotor and the quick mistake oil grooves in formation gap, housing inner chamber bottom surface that make driven shaft.The second half of rotating in positive rotation direction undamped, the first half term in derotation to damping rotary, this quick oil groove of crossing is communicated with driven shaft rotor both sides, and damping oil is passed through fast, and rotor both sides are without hydraulic pressure difference, rotating shaft undamped quick rotation; In the total travel of wherein rotating in positive rotation direction undamped, oil channel whole process is opened, and the second half passes through damping oil because of quick effect of crossing oil groove sooner, and the rotating speed that axle core undamped is rotated is faster.
The described moving axis of executing is provided with a change coordinating with the socket of housing lumen openings inwall sealed rotational, and change inwall is conflicted and coordinated with barricade top; Housing inner chamber bottom surface is provided with one and connects with the support sleeve of driven shaft end the dead eye being rotatably assorted.
On the described back shaft of executing change on moving axis and driven shaft, be respectively provided with an annular groove radially, respectively radially in annular groove, be respectively embedded a sealing ring.
Described executing is embedded an internal threaded nut in moving axis, execute moving axis and be axially arranged with an axis hole communicating with internal threaded nut screwed hole, described driven shaft is axially arranged with the shaft through-hole with axis hole contraposition, one two of turnbuckles packing ring is connected with internal threaded nut with axis hole through shaft through-hole, driven shaft and screw are freely rotatably assorted, and packing ring top is pressed on housing.
The described change of executing on moving axis is provided with an annular groove radially, radially in annular groove, is embedded a sealing ring; An also sheathed gasket ring of the described change outer face of executing moving axis, one is placed on gland and the gasket ring top of executing on moving axis presses, and gland is connected by wave soldering with housing lumen openings; Housing bottom arranges an external screw thread nut with sealing rubber ring, and external screw thread nut screws and is connected with the screwed hole of housing bottom.
Also be provided with a undergauge rotating shaft at the moving axis of executing of executing between moving axis and driven shaft on axially, establish a shaft through-hole at driven shaft on axially, external screw thread nut shaft is to the pressure regulation round bar arranging; Pressure regulation round bar and undergauge rotating shaft are inserted in shaft through-hole in opposite directions, and pressure regulation round bar and undergauge rotating shaft are rotatably assorted with shaft through-hole respectively.
Upwards respectively be provided with the oily relief port of mistake of a connection housing inner chamber, back shaft axial end, shaft through-hole in the footpath, both sides of the each rotor of driven shaft bottom, undergauge rotating shaft axial end was positioned at oily relief port place, crossed the break-make of oily relief port and the size of the oily relief port of mistake by the axial end of pressure regulation round bar and the axial end spacing control of undergauge rotating shaft; The oil pocket of each barricade both sides is communicated, by the speed oil of crossing between the oil pocket of control barricade both sides, excessively oily relief port, and crossing oily relief port communicates with dead eye and screwed hole, external screw thread nut revolves and moves back at screwed hole, can substantially expand damping oil pocket to reduce the oil pressure of damping oil, regulate hydraulic damping so that axle core produces different rotating speeds.
Shaft through-hole on described driven shaft is axially blocked and is formed two first circular hole and second circular holes in opposite directions, undergauge rotating shaft and the first circular hole are rotatably assorted, pressure regulation round bar and the second circular hole are rotatably assorted, the oily relief port of described mistake is positioned at the second circular hole place, and pressure regulation round bar axial plane and the second circular hole hole inner face spacing control are crossed the break-make of oily relief port and crossed the size of oily relief port.
Adopt after technique scheme, execute moving axis and rotate a minute angle, capital makes to execute the rotor squeezed air-damping oil on moving axis and produces oil pressure, on driven shaft, rotor is subject to oil pressure effect reversing differential to rotate an angle, force on driven shaft rotor and execute on moving axis rotor and open oil channel with quick excessively oily spinning up to be staggered, make on driven shaft rotor both sides and execute on moving axis rotor both sides all without flowed friction, making to execute the axle core undamped rotation that moving axis and the intermittently differential shaft coupling of driven shaft form; In like manner, moving axis is executed in reverse rotation, execute the rotor squeezed air-damping oil on moving axis and produce oil pressure, on driven shaft, rotor is subject to oil pressure effect to counter-rotate an angle, make to execute on moving axis rotor and rotor on driven shaft and close oil channel aliging to suit mutually, make rotor both sides on driven shaft and the hydraulic coupling of executing rotor both sides on moving axis and be all subject to damping oil, hydraulic damping oil is slow excessively oily by the minim gap between rotor and housing, therefore executes moving axis and moves with the axle core damping slow slow-speed of driven shaft shaft coupling formation.
The invention has the beneficial effects as follows: spinning up intermittently differential shaft coupling cooperation formation axle core by executing moving axis and driven shaft, while executing moving axis rotation, make driven shaft intermittently reversing, on forcing on driven shaft rotor and executing moving axis, rotor staggered oily or alignd and suit oil sealing spinning up, avoid damping oil viscous to make disabler of the present invention, realizing the undamped of axle core rotates or damping rotary function, the present invention does not arrange the oily unit of unidirectional mistake at rotor, makes the rotational angle of axle core of the present invention in housing can reach 135 °.
Brief description of the drawings
Fig. 1 is embodiment mono-three-dimensional assembling structure decomposing schematic representation of the present invention.
Fig. 2 is the embodiment mono-three-dimensional assembly structure decomposing schematic representation of moving axis, driven shaft and housing of executing of the present invention.
Fig. 3 is embodiment mono-perspective view of the present invention.
Fig. 4 is embodiment mono-structure cut-away view of the present invention.
Fig. 5 is that embodiment mono-rotor of executing moving axis, driven shaft of the present invention spins up the structural representation staggering.
Fig. 6 is that embodiment mono-rotor of executing moving axis, driven shaft of the present invention spins up involutory structural representation.
Fig. 7 is that embodiment mono-rotor of executing moving axis, driven shaft of the present invention staggers and opens the cut-away view of oil channel.
Fig. 8 is that embodiment mono-the present invention executes moving axis, driven shaft undamped is rotated complete structure cut-away view.
Fig. 9 is the embodiment mono-involutory cut-away view of closing oil channel of rotor of executing moving axis, driven shaft of the present invention.
Figure 10 is that embodiment mono-the present invention executes moving axis, the complete structure cut-away view of driven shaft damping rotary.
Figure 11 is embodiment bis-three-dimensional assembling structure decomposing schematic representation of the present invention.
Figure 12 is the embodiment bis-three-dimensional assembly structure decomposing schematic representation of moving axis, driven shaft and housing of executing of the present invention.
Figure 13 is embodiment bis-perspective view of the present invention.
Figure 14 is embodiment bis-structure cut-away view of the present invention.
Figure 15 is that embodiment bis-rotor of executing moving axis, driven shaft of the present invention spins up the structural representation staggering.
Figure 16 is that embodiment bis-rotor of executing moving axis, driven shaft of the present invention spins up involutory structural representation.
Figure 17 is the structure cut-away view that embodiment bis-damping of the present invention regulates.
Figure 18 is embodiment tri-structure cut-away view of the present invention.
In figure, accessory identification is:
10. housing; 11. housing inner chambers; 12. barricades; 13. housing lumen openings; 14. dead eyes; The 15. quick oil grooves of crossing; 16. housing bottoms; 17. screwed holes;
20. execute moving axis; 21. execute moving axis rotor; 22. execute the double wedge of moving axis; 23. execute the teeth groove of moving axis; 24. changes; Radially annular groove of 241. changes; 242. changes are the sealing ring in annular groove radially; 25. axis holes; 26. undergauge rotating shafts;
30. driven shaft; 31. driven shaft rotors; The double wedge of 32. driven shafts; The teeth groove of 33. driven shafts; 34. back shafts; Radially annular groove of 341. back shafts, 342. back shafts are the sealing ring in annular groove radially; 35. shaft through-holes; 351. first circular holes; 352. second circular holes; 36. cross oily relief port;
40. internal threaded nut;
50. screw; 51. packing rings;
60. oil channel;
70. gland; 71. gasket rings;
80. external screw thread nut; 81. pressure regulation round bars; 82. sealing rubber rings.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
embodiment mono-(coordinate axle core be arranged in housing with internal threaded nut by screw).
As
fig. 1,
fig. 3with
fig. 4shown a kind of damping due to rotation buffer, mainly comprises that the housing 10, of a filling damping oil is by axially inconsistent one executing moving axis 20 and spinning up with a driven shaft 30 axle core, an internal threaded nut 40 and the screw 50 that intermittence, differential shaft coupling connected and composed.
As
fig. 1,
fig. 2with
fig. 4shown in, upwards arrange in housing inner chamber 11 wall footpaths two with execute moving axis 20, driven shaft 30 is conflicted and stops that the mobile barricade of damping oil 12, two barricades 12 are at housing inner chamber 11 Central Symmetries; Executing moving axis rotor 21 has two, and two execute moving axis rotor 21 radially goes up Central Symmetry executing moving axis 20; Driven shaft rotor 31 has two, and two driven shaft rotors 31 are radially gone up Central Symmetry at driven shaft 30, respectively executes moving axis rotor 21 and each driven shaft rotor 31 lays respectively in the airtight oil pocket surrounding between housing inner chamber 11 and barricade 12.The moving axis 20 of executing of the present invention is provided with a change 24 coordinating with the 11 opening 13 inwall sockets of housing inner chamber sealed rotational, and change 24 inwalls are conflicted and coordinated with barricade 12 tops; Housing inner chamber 11 bottom surfaces are provided with one and are socketed with the back shaft 31 of driven shaft 30 ends the dead eye 14 being rotatably assorted; One axial end of the driven shaft rotor 31 of driven shaft 30 and housing inner chamber 11 bottom surfaces are pasted to touch and are slidably matched, on housing inner chamber 11 bottom surfaces, two barricade 12 sides are arranged with two makes the axial end of driven shaft rotor 31 and the quick mistake oil groove 15 in housing inner chamber 11 formation gaps, bottom surface; Execute change 24 on moving axis 20 and be provided with one and execute radially annular groove 241 of moving axis, execute moving axis radially annular groove 241 embed the sealing ring 242 of a seal casinghousing lumen openings 13 and change 24; The back shaft 34 of driven shaft 30 is provided with radially annular groove 341 of a back shaft, and back shaft is radially embedded the sealing ring 342 of a sealed bearing hole 14 and back shaft 341 in annular groove 341.As
fig. 2, Fig. 5with
fig. 6shown in, the shaft coupling in the axial direction of executing between moving axis 20 and driven shaft 30 of the present invention connects, spins up intermittently differential cooperation, specifically on moving axis 20, arrange two and execute moving axis double wedge 22 and two and execute moving axis teeth groove 23 executing, execute moving axis double wedge 22 and two and execute moving axis teeth groove 23 and on moving axis 20, spin up right-angled intersection and distribute executing; Two driven shaft double wedges 32 and two driven shaft teeth groove 33 are set on driven shaft 30, driven shaft double wedge 32 and two driven shaft teeth groove 33 spin up right-angled intersection and distribute on driven shaft 30, execute moving axis double wedge 22 with driven shaft teeth groove 33, execute that moving axis teeth groove 23 is conflicted in the axial direction with driven shaft double wedge 32 and coordinate spinning up differential intermittent rotary; Execute moving axis rotor 21 and driven shaft rotor 31 and spin up while staggering and form oil channel 60 in undamped, execute moving axis rotor 21 and driven shaft rotor 31 and spin up and when contraposition suits, close oil channel 60 in damping.As
fig. 1with
fig. 4shown in, execute and in moving axis 20, be embedded an internal threaded nut 40, execute moving axis 20 and be axially arranged with an axis hole 25 communicating with internal threaded nut 40 screwed holes, driven shaft 30 is to being provided with and the shaft through-hole 35 of axis hole 25 coaxial contrapositions, one screw 50 overlaps two packing rings 51 and is connected with internal threaded nut 40 with axis hole 25 through shaft through-hole 35, driven shaft 30 is freely rotatably assorted with screw 50, and packing ring 51 tops are pressed on housing 10 bottoms 16, so far completes entirety assembling of the present invention.
Describe operation principle of the present utility model and concrete enforcement action in detail below in conjunction with accompanying drawing.
Will
fig. 3, Fig. 4the moving axis 20 of executing of shown damping due to rotation buffer is connected with water-closet bowl cover plate (not shown in FIG.).As
fig. 5,
fig. 7with
fig. 8shown in, in housing inner chamber 11 barricade 12 with execute moving axis 20, the A oil pocket forming between driven shaft 30 and B oil pocket are positioned at executes moving axis rotor 21 and driven shaft rotor 31 both sides, in the time that upset in cover plate clockwise direction is opened, 21 moments of moving axis rotor of executing of executing on moving axis 20 are pushed the damping oil of B oil pocket while rotating, the oil pressure moment of B oil pocket is increased, the moment of B oil pocket increases oil pressure extruding driven shaft rotor 31 and drives driven shaft 30 to rotate backward, make the double wedge 32 on driven shaft 30, teeth groove 33 is spinning up and the teeth groove 23 of executing on moving axis respectively, double wedge 22 turns are stuck in a side mutually, execute moving axis rotor 21 and driven shaft rotor 31 is staggered to form oil channel 60 in rotation direction, damping oil by A oil pocket can flow to B oil pocket through oil channel 60, eliminate A oil pocket and B oil pocket to executing the hydraulic damping power of moving axis rotor 21 and driven shaft rotor 31, can in housing inner chamber 11, carry out omnidistance undamped rotation by executing the axle core that moving axis 20 and driven shaft 30 shaft couplings form, can realize cover plate overturns fast, light opening.
As
fig. 2shown in, in the cover plate the second half opened of upwards overturning, damping oil can driven shaft rotor 31 with housing inner chamber bottom surface on the quick oil groove 15 of crossing pass through, make the second half of opening of cover plate more brisk.In like manner, in the cover plate first half term that downwards upset is closed, damping oil can driven shaft rotor 31 with housing inner chamber bottom surface on the quick oil groove 15 of crossing pass through, make the first half term rotating speed of cover plate upset downwards very quick.
As
fig. 6,
fig. 9with
figure 10shown in, under cover plate, turn the first half term of upset, executing moving axis 20 reverses counterclockwise, execute the damping oil that moving axis rotor 21 pushes B chamber, the damping oil oil pressure of B oil pocket is increased, the damping oil pressure actuated driven shaft rotor 31 that makes B oil pocket that this moment increases rotates backward, and makes double wedge 32, teeth groove 33 on driven shaft 30 be stuck in mutually opposite side in the teeth groove 23, double wedge 22 turns that spin up with executing on moving axis respectively, makes to execute moving axis rotor 21 and driven shaft rotor 31 and suits and close oil channel 60 in rotation direction again contraposition, as
fig. 2shown in, but in the cover plate first half term that upset is closed downwards, damping oil can driven shaft rotor 31 with housing inner chamber bottom surface on the quick oil groove 15 of crossing pass through, A oil pocket and the B oil pocket of executing moving axis rotor 21 and driven shaft rotor 31 both sides are communicated, damping oil, to executing moving axis rotor 21 and driven shaft rotor 31 without hydraulic damping power, makes the first half term rotating speed of cover plate upset downwards very quick, in cover plate the second half of upset downwards, driven shaft rotor 31 skims over the quick of housing inner chamber 11 bottom surfaces and crosses after oil groove 15, execute moving axis 20, driven shaft 30, barricade 12 and execute moving axis rotor 21 and driven shaft rotor 31 seals B oil pocket, execute the damping oil that moving axis rotor 21 and driven shaft rotor 31 push B oil pocket, the hydraulic damping force reaction of the high pressure damping oil of B oil pocket is in executing moving axis rotor 21 and driven shaft rotor 31, make slowly to rotate by executing the axle core that moving axis 20 and driven shaft 30 form, the high pressure damping oil of B oil pocket can only be from executing moving axis 20, the minim gap of driven shaft 30 and barricade 12, execute moving axis rotor 21 and driven shaft rotor 31 and outwards permeate outflow with the minim gap of housing inner chamber 11 walls, high pressure damping oil to B oil pocket carries out release slowly, can realize slowly the falling in lower upset the second half by cover plate.
embodiment bis-(by gland, axle core being arranged in housing, by external screw thread nut damping adjusting oil pressure).
As
figure 11,
figure 13,
figure 14with
figure 17shown a kind of damping due to rotation buffer, the present invention is with the difference of embodiment: the present embodiment no longer adopts screw and internal threaded nut to be connected in series and to be arranged in housing executing moving axis 20 and driven shaft 30, the radially annular groove 241 of executing the change 24 on moving axis 20 in the present embodiment is embedded a sealing ring 242, execute the sheathed gasket ring 71 in change 241 outer faces of moving axis 20, one is placed on the gland 70 of executing on moving axis presses with gasket ring 71 tops, is then connected by wave soldering with housing inner chamber 11 openings 13 by gland 70; And housing 10 bottoms arrange an external screw thread nut 80 with sealing rubber ring 82, external screw thread nut 80 screws with the screwed hole 17 of housing bottom 16 and is connected; Be packaged in housing inner chamber 11 with driven shaft rotor 31 executing moving axis rotor 21; As
figure 12,
figure 14,
figure 15with
figure 16shown in, the present embodiment is being executed between moving axis 20 and driven shaft 30, execute the moving axis 20 undergauge rotating shaft 26 on axially, be rotatably assorted with the shaft through-hole 35 in the axial direction of driven shaft 30, the axial pressure regulation round bar 81 of external screw thread nut 80, pressure regulation round bar 81 and undergauge rotating shaft 26 are inserted in shaft through-hole 35 in opposite directions, and pressure regulation round bar 81 and undergauge rotating shaft 26 are rotatably assorted with shaft through-hole 35 respectively; Executing moving axis 20 is provided with double wedge 22 and is connected with teeth groove 33 and double wedge 32 right-angled intersection shaft couplings on driven shaft 30 with teeth groove 23, and spinning up intermittently differential cooperation, execute moving axis rotor 21 and driven shaft rotor 31 and spin up when involutory and close oil channel 60, execute moving axis rotor 21 and driven shaft rotor 31 and spin up and while staggering, open oil channel 60; As
figure 12upwards respectively be provided with the oily relief port 36 of mistake of a connection housing inner chamber 11, back shaft 34 axial end, shaft through-hole 35 in the footpath, both sides of driven shaft rotor 31 bottoms, undergauge rotating shaft 26 axial end were positioned at 36 places, oily relief port, advance and retreat at screwed hole 17 by rotation external screw thread nut 80, the axial end of adjusting pressure regulation round bar 81 and the axial end spacing control of undergauge rotating shaft 26 are crossed the break-make of oily relief port 36 and are crossed the size of oily relief port 36.
As
figure 14,
figure 16shown in, advance at screwed hole 17 by rotation external screw thread nut 80, the axial end of pressure regulation round bar 81 and the axial end of undergauge rotating shaft 26 are pushed up mutually and closed oily relief port 36, make damping oil in housing inner chamber 11 execute moving axis 20, driven shaft 30 and barricade 12 limited, barricade 12 both sides damping oils cannot flow with respect to housing 10, execute moving axis rotor 21 and driven shaft rotor 31 in the time of damping rotary, suffered hydraulic damping power is constant, and therefore the velocity of rotation of axle core in the time of damping rotary is invariable.As
figure 17shown in, retreat at screwed hole 17 by rotation external screw thread nut 80, make the axial end of pressure regulation round bar 81 and the axial end of undergauge rotating shaft 26 from opening oily relief port 36, make oily relief port 36 be communicated with the oil pocket of each barricade 12 both sides, damping oil is determined by the size of oily relief port 36 at the speed oil of crossing of barricade 12, after 80s the moving back of external screw thread nut drives the spacing of the axial end of pressure regulation round bar 81 and the axial end of undergauge rotating shaft larger, cross oily relief port 36 larger, the oil pressure of laying down to oil pocket is larger, damping oil is less with the hydraulic damping power of driven shaft rotor 31 to executing moving axis rotor 21, make the speed of axle core in the time of damping rotary faster, cross to reach with this and regulate hydraulic damping value of the present invention, for regulating the speed of the downward damping upset of water-closet bowl cover plate.
Other structure, operation principle and concrete enforcement of the present embodiment are moved with embodiment mono-.
embodiment tri-(by gland, axle core being arranged in housing, by external screw thread nut damping adjusting oil pressure).
As
figure 18shown in, the difference of the present embodiment and embodiment bis-is, shaft through-hole 35 on driven shaft 30 axially blocking-up forms two first circular hole 351 and second circular holes 352 in opposite directions, undergauge rotating shaft 26 and the first circular hole 351 are rotatably assorted, pressure regulation round bar 81 and the second circular hole 352 are rotatably assorted, the oily relief port 36 of described mistake is positioned at the second circular hole 352 places, pressure regulation round bar 81 axial planes and the second circular hole 352 hole inner face spacing controls are crossed the break-make of oily relief port 36 and are crossed the size of oily relief port 36, reach and regulate hydraulic damping value of the present invention with this.
Other structure of the present embodiment, the embodiment of operation principle are with embodiment bis-.
Each embodiment is used for illustrative purposes only above, but not limitation of the present invention, those skilled in the art, without departing from the spirit and scope of the present invention, to execute between moving axis 20 and driven shaft 30 spin up shaft coupling intermittently differential fit structure also can make various being equal to and replace or change, therefore, all technical schemes that are equal to also should belong to category of the present invention, are limited by each claim.
Claims (11)
1. a damping due to rotation buffer, containing a housing and one and the axle core that is rotatably assorted of housing bore seal of filling damping oil, on axle core, be at least provided with one with the rotor of inner walls laminating flexible dynamic damping oil flow, at least one and axle core are upwards set in inner walls footpath and conflict and stop the barricade that damping oil is mobile, it is characterized in that: described axle core is by axially inconsistent one executing moving axis and a driven shaft and connect and compose spinning up intermittence differential shaft coupling; Execute the rotor of moving axis and the rotor of driven shaft and spin up while staggering and form oil channel in undamped, execute the rotor of moving axis and the rotor of driven shaft and spin up and when contraposition suits, close oil channel in damping.
2. a kind of damping due to rotation buffer as claimed in claim 1, is characterized in that: described executing is equipped with double wedge and the teeth groove nibbled mutually in the axial direction between moving axis and driven shaft; Double wedge and teeth groove are in axle mandrel upwards conflict laminating, the intermittently differential cooperation that spins up at axle core; Double wedge and teeth groove spin up while pushing up mutually in the undamped of axle core, execute the rotor of moving axis and the dislocation of the rotor of driven shaft forms oil channel; Double wedge and teeth groove spin up while pushing up mutually in the damping of axle core, execute the rotor of moving axis and the rotor contraposition of driven shaft and suit and close oil channel.
3. a kind of damping due to rotation buffer as claimed in claim 2, it is characterized in that: described two double wedges and two teeth groove executed on moving axis are spinning up right-angled intersection distribution, and two double wedges and two teeth groove on described driven shaft are spinning up right-angled intersection distribution; The double wedge of executing moving axis and teeth groove respectively with moving axis on teeth groove and double wedge right-angled intersection nibble mutually.
4. a kind of damping due to rotation buffer as claimed in claim 1, is characterized in that: the barricade that described inner walls footpath is upwards provided with has two two barricades Central Symmetry in housing; The rotor of executing on moving axis has two, and two rotors are radially gone up Central Symmetry executing moving axis; Rotor on driven shaft has two, and two rotors are radially gone up Central Symmetry at driven shaft.
5. a kind of damping due to rotation buffer as claimed in claim 4, it is characterized in that: an axial end of the rotor of described driven shaft and housing inner chamber bottom surface are pasted to touch and be slidably matched, on housing inner chamber bottom surface, two barricade sides are arranged with two axial end of rotor and the quick mistake oil grooves in formation gap, housing inner chamber bottom surface that make driven shaft.
6. a kind of damping due to rotation buffer as claimed in claim 4, is characterized in that: the described moving axis of executing is provided with a change coordinating with the socket of housing lumen openings inwall sealed rotational, and change inwall is conflicted and coordinated with barricade top; Housing inner chamber bottom surface is provided with one and connects with the support sleeve of driven shaft end the dead eye being rotatably assorted.
7. a kind of damping due to rotation buffer as claimed in claim 6, is characterized in that: described in execute and on the back shaft of change on moving axis and driven shaft, be respectively provided with an annular groove radially, respectively radially in annular groove, be respectively embedded a sealing ring.
8. a kind of damping due to rotation buffer as described in arbitrary claim in claim 1 to 7, it is characterized in that: described executing is embedded an internal threaded nut in moving axis, execute moving axis and be axially arranged with an axis hole communicating with internal threaded nut screwed hole, described driven shaft is axially arranged with the shaft through-hole with axis hole contraposition, one two of turnbuckles packing ring is connected with internal threaded nut with axis hole through shaft through-hole, driven shaft and screw are freely rotatably assorted, and packing ring top is pressed on housing.
9. a kind of damping due to rotation buffer as claimed in claim 6, is characterized in that: the described change of executing on moving axis is provided with an annular groove radially, radially in annular groove, is embedded a sealing ring; An also sheathed gasket ring of the described change outer face of executing moving axis, one is placed on gland and the gasket ring top of executing on moving axis presses, and gland is connected by wave soldering with housing lumen openings; Housing bottom arranges an external screw thread nut with sealing rubber ring, and external screw thread nut screws and is connected with the screwed hole of housing bottom.
10. a kind of damping due to rotation buffer as described in arbitrary claim in claim 1 to 6 and 9, is characterized in that:
Also be provided with a undergauge rotating shaft at the moving axis of executing of executing between moving axis and driven shaft on axially, establish a shaft through-hole at driven shaft on axially, external screw thread nut shaft is to the pressure regulation round bar arranging; Pressure regulation round bar and undergauge rotating shaft are inserted in shaft through-hole in opposite directions, and pressure regulation round bar and undergauge rotating shaft are rotatably assorted with shaft through-hole respectively;
Upwards respectively be provided with the oily relief port of mistake of a connection housing inner chamber, back shaft axial end, shaft through-hole in the footpath, both sides of the each rotor of driven shaft bottom, undergauge rotating shaft axial end was positioned at oily relief port place, crossed the break-make of oily relief port and the size of the oily relief port of mistake by the axial end of pressure regulation round bar and the axial end spacing control of undergauge rotating shaft.
11. a kind of damping due to rotation buffers as claimed in claim 10, it is characterized in that: the shaft through-hole on described driven shaft is axially blocked and formed two first circular hole and second circular holes in opposite directions, undergauge rotating shaft and the first circular hole are rotatably assorted, pressure regulation round bar and the second circular hole are rotatably assorted, the oily relief port of described mistake is positioned at the second circular hole place, and pressure regulation round bar axial plane and the second circular hole hole inner face spacing control are crossed the break-make of oily relief port and crossed the size of oily relief port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210329137.2A CN102934965B (en) | 2012-09-07 | 2012-09-07 | Rotating damping buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210329137.2A CN102934965B (en) | 2012-09-07 | 2012-09-07 | Rotating damping buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102934965A CN102934965A (en) | 2013-02-20 |
| CN102934965B true CN102934965B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210329137.2A Expired - Fee Related CN102934965B (en) | 2012-09-07 | 2012-09-07 | Rotating damping buffer |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892764B (en) * | 2014-04-14 | 2015-12-23 | 厦门豪帝卫浴工业有限公司 | The rotary buffer that a kind of hydraulic damping is adjustable |
| CN104315070B (en) * | 2014-08-26 | 2017-11-03 | 中国直升机设计研究所 | A kind of adjustable damper device |
| CN106937842A (en) * | 2017-02-27 | 2017-07-11 | 厦门倍杰特科技股份公司 | Damper |
| CN110284912B (en) * | 2019-07-20 | 2020-08-25 | 山西能源学院 | Self-gravity pressure relief buffer device for mining hydraulic prop |
| JP7159998B2 (en) * | 2019-08-08 | 2022-10-25 | トヨタ自動車株式会社 | Wheelchair-equipped vehicle |
| CN112196824B (en) * | 2020-08-25 | 2022-05-17 | 江苏大学 | Labyrinth seal for staggered spiral tooth structure of centrifugal pump |
| CN115306244B (en) * | 2022-06-02 | 2023-09-19 | 海益（厦门）建材工业有限公司 | Multi-cavity damper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2732171Y (en) * | 2004-07-15 | 2005-10-12 | 中山市美图洁具实业有限公司 | Water closet buffer |
| CN202118173U (en) * | 2011-06-28 | 2012-01-18 | 厦门瑞尔特卫浴工业有限公司 | Damper with adjustable revolving speed |
| CN102578952A (en) * | 2012-03-21 | 2012-07-18 | 厦门豪帝卫浴工业有限公司 | Rotary buffer with adjustable damping magnitude |
| CN202745579U (en) * | 2012-09-07 | 2013-02-20 | 曹发权 | Rotating damping buffer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3615125B2 (en) * | 2000-03-30 | 2005-01-26 | 株式会社マキタ | Oil unit and power tool |
-
2012
- 2012-09-07 CN CN201210329137.2A patent/CN102934965B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2732171Y (en) * | 2004-07-15 | 2005-10-12 | 中山市美图洁具实业有限公司 | Water closet buffer |
| CN202118173U (en) * | 2011-06-28 | 2012-01-18 | 厦门瑞尔特卫浴工业有限公司 | Damper with adjustable revolving speed |
| CN102578952A (en) * | 2012-03-21 | 2012-07-18 | 厦门豪帝卫浴工业有限公司 | Rotary buffer with adjustable damping magnitude |
| CN202745579U (en) * | 2012-09-07 | 2013-02-20 | 曹发权 | Rotating damping buffer |
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| CN102934965A (en) | 2013-02-20 |
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