CN203693465U - Rotation damper - Google Patents
Rotation damper Download PDFInfo
- Publication number
- CN203693465U CN203693465U CN201420045859.XU CN201420045859U CN203693465U CN 203693465 U CN203693465 U CN 203693465U CN 201420045859 U CN201420045859 U CN 201420045859U CN 203693465 U CN203693465 U CN 203693465U
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- Prior art keywords
- rotating shaft
- valve block
- oil
- damping
- valve plate
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- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 claims abstract description 98
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 10
- 210000003205 muscle Anatomy 0.000 claims description 16
- 230000003213 activating effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 7
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 238000007373 indentation Methods 0.000 description 7
- 108010068370 Glutens Proteins 0.000 description 6
- 235000021312 gluten Nutrition 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
A rotation damper comprises a shell and a rotating shaft, and further comprises a valve plate, the shell can be filled with damping oil, the rotating shaft is matched with the shell in a sealing, rotating and oil scratching mode, and the valve plate is arranged between the rotating shaft and the shell in a radial sliding mode. The valve plate is at least provided with a free end. In the radial sliding process of the valve plate, the free end is in engaging and disengaging fit with the radial face of the rotating shaft or the inner wall of the shell to form different oil passing gaps. Due to the fact that the radial sliding of the valve plate enables the free end of the valve plate to be in engaging and disengaging fit with the radial face of the rotating shaft or the inner wall of the shell to form the different oil passing gaps, a cover plate can be opened easily, and the cover plate can fall down slowly when being closed. The valve plate can be forcefully braked through a protruding part, the damping viscosity subjected by the valve plate is reduced to the lowest degree, and fluidic resistance forming and disappearing response are sensitive and reliable. The valve plate, the rotating shaft and the shell are not provided with oil passing grooves which can weaken the strength of the valve plate, the rotating shaft and the shell, the strength of the valve plate and the strength of the rotating shaft are higher, the torque output of the rotating shaft can be maximized, the size of the rotation damper can be reduced while the rotating range of the rotating shaft of the rotation damper is not affected, and the rotation damper can be generally used in thick and heavy cover plates and light and thin cover plates.
Description
Technical field
The utility model relates to hydraulic damping buffer, particularly small volume, moment of torsion output maximization, the highly sensitive a kind of rotary damper of damping response.
Background technology
The hydraulic damping rotary buffer of existing bathroom water-closet bowl cover plate existing problem in volume miniaturization process has: one, the insufficient strength of buffer output revolving shaft is large, rotational angle is large not; Two, be subject to the impact that damping oil viscosity is different, in buffer use procedure, damping response sensitivity is low.
A kind of cover plate slow-falling rotating shaft as disclosed in Chinese utility model patent (CN201293038), its footpath at axle core upwards interval arranges several damping control valves, damping control valve is by forming with the integrated leakproof oil gluten of axle core and the wedge-shaped bar be located in the muscle groove of leakproof oil gluten, on muscle groove one sidewall, cutter is provided with some oil-through holes, and the wedge-shaped bar relative with oil-through hole position was provided with oil groove; On leakproof oil gluten, establish muscle groove, establish oil-through hole and all can make the weakened of leakproof oil gluten on muscle groove, therefore need to increase leakproof oil gluten thickness, and leakproof oil gluten rotation amplitude is limit by isolation bar in axle sleeve, this will dwindle the rotational angle of axle core again; And this rotating shaft that falls slowly, when the damping oil using in axle sleeve is during compared with thickness, wedge-shaped bar movement in muscle groove can be subject to viscosity influence and react sensitive not, and on axle core, damping control valve switching response is sensitive not.
For another example the disclosed a kind of damping mechanism of Chinese utility model patent (CN200960081); Its convex tendon on axle core is provided with U-lag, the first cell wall of the both sides of U-lag and the second cell wall are provided with one or more otch of being interlinked to the outside in groove of making, elastic one-way element movable sleeve is placed in the U-lag of axle core convex tendon, unidirectional element is provided with oil-through hole, make unidirectional element in U-lag, swing oil or oil sealing by axle core in rotation, convex tendon is established groove and is crossed oily otch, unidirectional element is established oil-through hole, all will make axle core and unidirectional element weakened, also limited the maximum rotation angle of axle core simultaneously, and the sensitivity of damping response affected by damping oil viscosity larger.
Utility model content
For addressing the above problem, the utility model is intended to propose a kind of rotary damper, and its damping response sensitivity is higher, damping output is more stable.
For reaching above-mentioned purpose, the utility model provides a kind of rotary damper, scratch with housing seal turn the rotating shaft that oil coordinates containing the housing and that can fill damping oil, it is characterized in that: also comprise at least one valve block being installed between rotating shaft and housing that radially slides, described valve block is at least provided with a free end, and valve block radially slides this free end in process and coordinates and form the different oil-gaps of crossing from rotating shaft diametric plane or inner walls clutch.
Described rotating shaft diametric plane or inner walls are also provided with at least one protuberance, and the free end of valve block forms the described oil-gap of crossing between protuberance position and rotating shaft diametric plane or inner walls.
Described rotating shaft or housing are provided with the chute that radially slides attaching valve block, and valve block is provided with chute and is affixed the binding face being slidably matched; This binding face slides valve block to stretch out or when indentation, plays oil sealing or the effect of oil excessively in chute.
On described valve block, be also provided with for damping oil drift angle and press the draining front cover activating, described valve block end is provided with the oil impregnate front cover for conflict rotating shaft diametric plane or inner walls; Described draining front cover and oil impregnate front cover are connected to form the free end end face of valve block.Rotating shaft is rotated while scratching oil to draining front cover, damping oil flowing pressure promotes draining front cover and activates valve block to chute indentation, oil impregnate front cover is separated with rotating shaft diametric plane or inner walls and formed fast oily passage, rotating shaft is rotated while scratching oil to draining front cover, damping oil flowing pressure promotes to press groove actuating valve block and stretches out to chute, make draining front cover quick excessively oily along protuberance downslide constant flow, until draining front cover and convex portion from, oil impregnate front cover and rotating shaft diametric plane or inner walls are pasted to touch to form and are crossed at a slow speed oily passage.
On described valve block, be also provided with for damping oil drift angle and press the groove that presses activating, described chute is provided with a breach that can in the time that the resistance of damping fluid increases, valve block compression area be increased towards a side roof part that presses groove.The setting of this breach can make damping oil on valve block, form hydraulic pressure difference so that the quick extended or retracted chute of moving valve plate.
On described rotating shaft diametric plane, be arranged with two and fit to perturb the mobile wing plate of damping oil with inner walls; In inner walls, center is arranged with two boss that limit wing plate or valve block rotation amplitude; Described chute is arranged on boss, and valve block is slidably connected on boss by chute.Rotating shaft is connected on the cover board, cover plate upwards overturns in overall process, and wing plate perturbs damping oil top pressure valve sheet and separates with rotating shaft diametric plane, and damping oil is passed through fast between valve block free end and rotating shaft diametric plane, damping oil is to wing plate without hydraulic damping, and therefore cover plate can drive rotating shaft undamped quick rotation; Under cover plate, turn in future, cover plate drives rotating shaft to rotate backward, wing plate perturbs damping oil top pressure valve sheet and glides along protuberance, rise increasing because cover plate drives the torsion of rotating shaft, make wing plate perturb the oil pressure of damping oil larger, and the draining front cover of valve block makes the damping oil cross section passed through less, it is constant therefore crossing oil mass by quick between draining front cover and inner walls, can realize the quick uniform rotation of rotating shaft, cover plate is turned under at the uniform velocity fast; When draining front cover and convex portion from, oil impregnate front cover and rotating shaft diametric plane paste while touching sealing, boss and valve block intercept damping oil and flow freely, damping oil produces hydraulic damping masterpiece and is used on wing plate, countershaft forms hydraulic damping power.
Described rotating shaft diametric plane or inner walls are also provided with an oil impregnate groove extending to below protuberance spinning up.To the slow pressure release of damping oil, can make cover plate drive rotating shaft slowly to rotate under hydraulic damping power by oil impregnate groove, the buffering that realizes cover plate falls function after rise.
In described inner walls, center is arranged with two muscles of fitting with the conflict of rotating shaft diametric plane; In rotating shaft center be arranged with two can be with the protruding wing of rotating shaft turn between muscle, described chute is separately positioned on the two protruding wings and with valve block sliding installation and coordinates.Rotating shaft is connected on the cover board, cover plate upwards overturns in overall process, and the protruding wing perturbs damping oil top pressure valve sheet and separates with inner walls, and damping oil is passed through fast between valve block free end and inner walls, damping oil is to the protruding wing without hydraulic damping, and therefore cover plate can drive rotating shaft undamped quick rotation; Under cover plate, turn in future, cover plate drives rotating shaft to rotate backward, the protruding wing perturbs damping oil top pressure valve sheet and glides along protuberance, rise increasing because cover plate drives the torsion of rotating shaft, make the protruding wing perturb the oil pressure of damping oil larger, and the draining front cover of valve block makes the damping oil cross section passed through less, it is constant therefore crossing oil mass by quick between draining front cover and inner walls, can realize the quick uniform rotation of rotating shaft, cover plate is turned under at the uniform velocity fast; When draining front cover and convex portion from, oil impregnate front cover and inner walls are pasted while touching sealing, the protruding wing and valve block intercept damping oil and flow freely, damping oil produces hydraulic damping masterpiece and is used on the protruding wing and valve block, countershaft forms damping force.
On described rotating shaft diametric plane, be symmetrically arranged with the oil impregnate groove that is communicated with muscle both sides.To the slow pressure release of damping oil, can make cover plate drive rotating shaft slowly to rotate under hydraulic damping power by oil impregnate groove, the buffering that realizes cover plate falls function after rise.
Described chute bottom is also provided with the elastic component of a top pressure valve sheet.
The beneficial effects of the utility model are:
1. realize valve block free end by radially sliding of valve block and coordinate and form the different oil-gaps of crossing from rotating shaft diametric plane or inner walls clutch, light when cover plate is opened, while closing, slowly fall, simple in structure;
2. be separately provided with protuberance, make the free end of valve block form oil-gap between protuberance position and rotating shaft diametric plane or inner walls, thereby control oil, cover plate was at the uniform velocity fallen, and can force to activate valve block, make it be subject to damping viscosity influence to reduce to minimum, the formation of liquid resistance and the response that disappears are sensitive reliable;
3. valve block free end face, rotating shaft diametric plane inner walls all do not arrange the oily groove of mistake that weakens their intensity, therefore valve block and rotating shaft intensity are better, can realize Shaft Torque output and maximize, and can make the utility model miniaturization and do not affect the rotation amplitude of device rotating shaft; The utility model can be used by wildcard on thick and heavy type, light and thin type cover plate;
4. on valve block, be also provided with and press groove, and be provided with the breach that valve block compression area is increased pressing groove correspondence position, thereby make valve block action sensitiveer, more reliable;
5. chute bottom is also provided with the elastic component of a top pressure valve sheet, makes valve block oil sealing better effects if, more reliable.
Accompanying drawing explanation
Fig. 1 is embodiment mono-three-dimensional assembly structure exploded view of the present utility model.
Fig. 2 is the three-dimensional assembly structure exploded view of embodiment mono-rotating shaft of the present utility model, housing and valve block.
Fig. 3 is embodiment mono-stereogram of the present utility model.
Fig. 4 is embodiment mono-structure cutaway view of the present utility model.
Fig. 5 is that embodiment mono-the utility model valve block coordinates the structural representation of opening draining road with protuberance.
Fig. 6 is the structure cutaway view of embodiment mono-the utility model rotating shaft undamped quick rotation.
Fig. 7 is that embodiment mono-the utility model is crossed the slowly structural representation of pressure release of oil by oil impregnate groove.
Fig. 8 is the moving structure cutaway view of embodiment mono-the utility model rotating shaft damping slow slow-speed.
Fig. 9 is the structure cutaway view of embodiment bis-the utility model rotating shaft undamped quick rotation.
Figure 10 is the moving structure cutaway view of embodiment bis-the utility model rotating shaft damping slow slow-speed.
Figure 11 is the elastic component that is provided with top pressure valve sheet in embodiment tri-chute of the present utility model.
Figure 12 is that on embodiment tri-the utility model valve blocks, binding face and oil impregnate front cover all adopt convex globoidal.
Figure 13 is that on embodiment tetra-the utility model valve blocks, binding face adopts convex globoidal, oil impregnate front cover to adopt inclined-plane.
Figure 14 is that the binding face on embodiment five the utility model valve blocks is convex globoidal, and oil impregnate front cover is clinoplain.
In figure:
10. housing; 101. inner walls; 11. boss; 12. breach; 13. chutes; 14. muscles;
20. rotating shaft; 201. rotating shaft diametric planes; 21. wing plates; The 22. protruding wings;
30. valve block; 31. binding faces; 32. draining front covers; 33. oil impregnate front covers; 34. press groove;
40. oil impregnate groove;
50. protuberance;
60. draining road;
70. elastic component.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
(valve block radially slides on the boss that is installed in inner walls embodiment mono-, and protuberance is arranged on rotating shaft diametric plane; Binding face on valve block, draining front cover, oil impregnate front cover are clinoplain)
A kind of rotary damper as depicted in figs. 1 and 2, mainly comprises that the housing 10 that can fill damping oil, seals turn with housing 10 and scratches rotating shaft that oil coordinates 20, two valve blocks 30 for break-make damping oil; Valve block 30 radially slides and is installed between rotating shaft 20 and housing 10, and valve block 30 is at least provided with a free end, and valve block 30 radially slides this free end in process and coordinates and form the different oil-gaps of crossing from rotating shaft diametric plane or inner walls clutch; Preferably, described rotating shaft diametric plane or inner walls are also provided with at least one protuberance 50, and the free end of valve block 30 forms the described oil-gap of crossing between protuberance 50 positions and rotating shaft diametric plane or inner walls.
As depicted in figs. 1 and 2, in the present embodiment, on rotating shaft 20 diametric planes, be arranged with two and fit to perturb the mobile wing plate of damping oil 21 with inner walls 101, two protuberances 50 are symmetricly set on two wing plate 21 root one sides, inner walls 101Shang center is arranged with two boss 11 that limit wing plate 21 or valve block rotation amplitude, boss 11 on housing 10 is provided with the chute 13 that radially slides attaching valve block 30, valve block 30 is slidably connected on boss 11 by chute 13, and when the free end of the utility model valve block 30 slides on rotating shaft diametric plane 201, damping oil oil impregnate passes through; When the free end of valve block 30 slides on protuberance 50, damping oil passes through fast from the earial drainage road 60 forming between the free end of valve block 30 and rotating shaft diametric plane 201, the utility model valve block 30 is provided with chute 13 and is affixed the binding face 31 being slidably matched, on valve block 30, be also provided with for damping oil drift angle and press the draining front cover 32 activating and press groove 34, valve block end is provided with the oil impregnate front cover 33 for the rotating shaft diametric plane 201 of conflicting; Draining front cover 32 and oil impregnate front cover 33 are connected to form the free end end face of valve block; Chute 13 is provided with a breach 12 that can in the time that the resistance of damping fluid increases, valve block 30 compression areas be increased towards a side roof part that presses groove 34; Rotating shaft diametric plane 201 spins up and is also provided with an oil impregnate groove 40 that extends to protuberance 50 belows, and this oil impregnate groove 40 also can be arranged in inner walls, and its effect is equal to; When draining front cover 32 is in the time that protuberance 50 slides, the gap between draining front cover 32 and rotating shaft diametric plane 201 forms the quick draining road 60 of oil excessively; Binding face 31 of the present utility model, draining front cover 32 all adopt clinoplain, and the utility model oil impregnate front cover 33 adopts cambered surface; As shown in Figure 3 and Figure 4, fill after damping oil toward housing 10, by gland and sealing rubber ring, rotating shaft 20, housing 10 and damping oil are sealed.
Describe the concrete enforcement action of operation principle of the present utility model below in detail.
As
fig. 6shown in, cover plate (not shown in FIG.) and rotating shaft 20 are connected and fixed,
raise the overall process of lavatory lid (cover plate upwards overturns)in, the damping oil that wing plate 21 in rotating shaft 20 perturbs in housing 10 flows, the flowing pressure pushing tow draining front cover 32 of damping oil activates valve block 30 indentation chutes 13, the oil impregnate front cover 33 of valve block 30 separates with rotating shaft diametric plane 201, damping oil can be passed through between valve block 30 and rotating shaft diametric plane 201 fast, until wing plate 21 is while pushing up mutually with boss 11, rotating shaft 20 stops operating, now the draining front cover 32 of valve block 30 is positioned at protuberance 50 tops, the wing plate 21 of damping oil countershaft 20, without hydraulic damping, can upwards overturn lavatory lid undamped to raise like a cork; When damping oil is during compared with thickness, protuberance 50 can lead and activate valve block 30 to chute 13 indentations, as
fig. 5shown in, draining front cover 32 is pasted touch along protuberance 50 and to open draining road 60 along its upward sliding quick excessively oily, draining road 60 passage sections that coordinated by draining front cover 32 on protuberance 50 and valve block 30 are gradually large, make damping oil pass through draining road 60 more and more sooner.
As
fig. 8shown in,
cover plate is the first half term of upset downwards, rotating shaft 20 reversions drive wing plate 21 oppositely to perturb the damping oil in housing 10, the damping oil top of reverse flow presses groove 34 and activates valve block 30 and stretch out and contact protuberance 50 from chute 13, and make chute 13 and the binding face 31 of valve block 30 be close to sealing, along with driving rotating shaft, cover plate continues reversion, the draining front cover 32 of valve block 30 is along 50 times line slips of protuberance, draining front cover 32 makes draining road 60 passage sections gradually little, the damping oil of reverse flow is in 60 mouthfuls gradually little, draining road and liquid resistance increase in the situation that, oppositely constant by draining road 60 damping flows, can make cover plate and at the uniform velocity and fast overturn downwards, until draining front cover 32 separates with protuberance 50 ends, valve block 30 end oil impregnate front covers 33 and rotating shaft diametric plane 201 paste touch sealing draining road 60(as
fig. 7shown in), stopping that damping oil freely passes through, between oil impregnate front cover 33 and rotating shaft diametric plane 201, now to form hydraulic fluid chamber by valve block 30, rotating shaft diametric plane 201, inner walls 101 and boss 11, the wing plate 21 on damping oil countershaft 20 produces hydraulic damping,
cover plate is the second half of upset downwards,the oil pressure of damping oil slowly passes through by the oil impregnate groove 40 communicating with draining road 60 on rotating shaft diametric plane 201, and the hydraulic damping that the wing plate 21 of damping oil countershaft 20 is produced disappears gradually, until cover plate falls completely, realizes the slow function of falling of cover plate.
embodiment bis-(valve block radially slides and is installed on the protruding wing of rotating shaft, and protuberance is arranged in inner walls; Draining front cover on valve block is that convex globoidal, oil impregnate front cover are clinoplain).
As shown in Figure 9 and Figure 10, the inner walls 101Shang center in the present embodiment is arranged with two muscles 14 of fitting with 201 conflicts of rotating shaft diametric plane, and oil impregnate groove 40 is symmetricly set on rotating shaft diametric plane 201 to be communicated with muscle 14 both sides; Rotating shaft 20Shang center be arranged with two can be 14 of muscles the protruding wing 22 of the protruding wing 22, two with rotating shaft 20 turns respectively establish the chute 13 of a swing attaching valve block 30; Valve block 30 root chutes 13 radially slide along rotating shaft stretch out, indentation coordinates, the free end face 32 of valve block 30 coordinates with inner walls 101 and upper convex portion 50 clutches thereof, protuberance 50 has two sections and be symmetricly set in the inner walls 101 of two muscle 14 root one sides; Draining front cover 32 on valve block 30 in the present embodiment adopts convex globoidal, and oil impregnate front cover 33 adopts the plane of inclination.
Describe operation principle of the present utility model and concrete enforcement action in this enforcement below in detail.
As shown in Figure 9, on cover plate (not shown in FIG.), turn over and raise in whole process, rotating shaft 20 as shown in FIG. direction is rotated, the protruding wing 22 and valve block 30 perturb damping oil, the flowing pressure of damping oil promotes draining front cover 32 and activates valve block 30 indentations sliding 13, oil impregnate front cover 33 separates with inner walls 101, damping oil is passed through fast between valve block 30 and inner walls 101, damping oil to the protruding wing 22 and valve block 30 without flowed friction, therefore rotating shaft 20 can undamped quick rotation, cover plate is raised climb over Cheng Feichang light.
As shown in figure 10, in the time that cover plate overturns downwards, rotating shaft 20 rotates backward, the protruding wing 22 and valve block 30 oppositely perturb damping oil and promote to press groove 34 and activate valve block 30 and stretch out chute 13 and paste to touch with protuberance 50 and form the quick draining road 60 of oil excessively, draining front cover 32 pastes and touches protuberance 50 tops and along its down sliding, draining front cover 32 makes draining road 60 gradually little, the damping oil of reverse flow is in 60 mouthfuls gradually little, draining road and liquid resistance increase in the situation that, oppositely constant by draining road 60 damping flows, can make cover plate and at the uniform velocity and fast overturn downwards, until draining front cover 32 separates with protuberance 50 ends, and oil impregnate front cover 33 conflict inner walls 101, damping oil is blocked and cannot flows freely, the protruding wing 22 extrude damping oil produce flowed friction, the protruding wing 22 on damping oil countershaft 20 produces hydraulic damping, under cover plate, turn back in the second half of falling, damping oil slowly flows through oil impregnate groove 40 slowly to be subdued produced hydraulic pressure, and the damping force that acts on the protruding wing 22 is slowly subdued, and rotating shaft 20 is slowly rotated, and realizes the pooling feature that falls slowly of cover plate.
embodiment tri-(in chute, being provided with the elastic component of top pressure valve sheet).
As shown in Figure 11 and Figure 12, the difference of the present embodiment and embodiment mono-is: the elastic component 70 that is provided with top pressure valve sheet 30 in chute 13; This elastic component can adopt spring; The reset of the use valve block of elastic component 70 in chute provides elastic force, makes valve block 30 tightr with the conflict of protuberance 50 and rotating shaft diametric plane 201; In implementation process, damping oil promotion valve block 30 indentation chutes 13 need to overcome the elastic force of elastic component 70, and other structure, operation principle and concrete enforcement of the present embodiment are moved with embodiment mono-.
embodiment tetra-(binding face being slidably matched with chute on valve block is convex globoidal, and oil impregnate front cover is convex globoidal).
As shown in figure 13, the difference of the present embodiment and embodiment mono-is: the binding face 31 being slidably matched with chute 13 on valve block 30 is convex globoidal, and the oil impregnate front cover 33 coordinating with rotating shaft diametric plane 201 is convex globoidal; Other structure, operation principle and the enforcement of the present embodiment are moved with embodiment mono-.
embodiment five(binding face on valve block is convex globoidal, and oil impregnate front cover is clinoplain).
As shown in figure 14, the difference of the present embodiment and embodiment mono-is: the binding face 31 being slidably matched with chute 13 on valve block 30 is convex globoidal, and the oil impregnate front cover 33 coordinating with rotating shaft diametric plane 201 is clinoplain; Other structure, operation principle and the enforcement of the present embodiment are moved with embodiment mono-.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, those skilled in the art, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or variation, therefore, all technical schemes that are equal to also should belong to category of the present utility model, are limited by each claim.
Claims (10)
1. a rotary damper, scratches with housing seal turn the rotating shaft that oil coordinates containing the housing and that can fill damping oil, it is characterized in that:
Also comprise at least one valve block being installed between rotating shaft and housing that radially slides, described valve block is at least provided with a free end, and valve block radially slides this free end in process and coordinates and form the different oil-gaps of crossing from rotating shaft diametric plane or inner walls clutch.
2. a kind of rotary damper as claimed in claim 1, is characterized in that: described rotating shaft diametric plane or inner walls are also provided with at least one protuberance, and the free end of valve block forms the described oil-gap of crossing between protuberance position and rotating shaft diametric plane or inner walls.
3. a kind of rotary damper as claimed in claim 1, is characterized in that: described rotating shaft or housing are provided with the chute that radially slides attaching valve block, valve block is provided with chute and is affixed the binding face being slidably matched.
4. a kind of rotary damper as claimed in claim 3, is characterized in that: on described valve block, be also provided with for damping oil drift angle and press the draining front cover activating, described valve block end is provided with the oil impregnate front cover for conflict rotating shaft diametric plane or inner walls; Described draining front cover and oil impregnate front cover are connected to form the free end end face of valve block.
5. a kind of rotary damper as claimed in claim 3, it is characterized in that: on described valve block, be also provided with for damping oil drift angle and press the groove that presses activating, described chute is provided with a breach that can in the time that the resistance of damping fluid increases, valve block compression area be increased towards a side roof part that presses groove.
6. a kind of rotary damper as claimed in claim 3, is characterized in that: on described rotating shaft diametric plane, be arranged with two and fit to perturb the mobile wing plate of damping oil with inner walls; In inner walls, center is arranged with two boss that limit wing plate or valve block rotation amplitude; Described chute is arranged on boss, and valve block is slidably connected on boss by chute.
7. a kind of rotary damper as claimed in claim 2, is characterized in that: described rotating shaft diametric plane or inner walls are also provided with an oil impregnate groove extending to below protuberance spinning up.
8. a kind of rotary damper as claimed in claim 3, is characterized in that: in described inner walls, center is arranged with two muscles of fitting with the conflict of rotating shaft diametric plane; In rotating shaft center be arranged with two can be with the protruding wing of rotating shaft turn between muscle, described chute is separately positioned on the two protruding wings and with valve block sliding installation and coordinates.
9. a kind of rotary damper as claimed in claim 8, is characterized in that: on described rotating shaft diametric plane, be symmetrically arranged with the oil impregnate groove that is communicated with muscle both sides.
10. a kind of rotary damper as claimed in claim 3, is characterized in that: described chute bottom is also provided with the elastic component of a top pressure valve sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045859.XU CN203693465U (en) | 2014-01-24 | 2014-01-24 | Rotation damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045859.XU CN203693465U (en) | 2014-01-24 | 2014-01-24 | Rotation damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203693465U true CN203693465U (en) | 2014-07-09 |
Family
ID=51043983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045859.XU Expired - Lifetime CN203693465U (en) | 2014-01-24 | 2014-01-24 | Rotation damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203693465U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821122A (en) * | 2017-03-14 | 2017-06-13 | 游章森 | The structure of toilet lid damper |
| WO2017133430A1 (en) * | 2016-02-02 | 2017-08-10 | 王湘冀 | Rotary damper that self-recovers against damping effect reduction |
| WO2019213847A1 (en) * | 2018-05-08 | 2019-11-14 | 深圳市金合联供应链技术有限公司 | High-precision hydraulic damping hinge having a hydraulic oil amount fine adjustment function |
-
2014
- 2014-01-24 CN CN201420045859.XU patent/CN203693465U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133430A1 (en) * | 2016-02-02 | 2017-08-10 | 王湘冀 | Rotary damper that self-recovers against damping effect reduction |
| CN106821122A (en) * | 2017-03-14 | 2017-06-13 | 游章森 | The structure of toilet lid damper |
| WO2019213847A1 (en) * | 2018-05-08 | 2019-11-14 | 深圳市金合联供应链技术有限公司 | High-precision hydraulic damping hinge having a hydraulic oil amount fine adjustment function |
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Granted publication date: 20140709 |