CN205531896U - Damper - Google Patents
Damper Download PDFInfo
- Publication number
- CN205531896U CN205531896U CN201620094280.1U CN201620094280U CN205531896U CN 205531896 U CN205531896 U CN 205531896U CN 201620094280 U CN201620094280 U CN 201620094280U CN 205531896 U CN205531896 U CN 205531896U
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- China
- Prior art keywords
- pin bushing
- guide pin
- shell
- cavity
- rotating shaft
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- Withdrawn - After Issue
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- 239000012530 fluid Substances 0.000 claims abstract description 38
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000013016 damping Methods 0.000 abstract description 16
- 238000006073 displacement reaction Methods 0.000 abstract 4
- 238000005191 phase separation Methods 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 7
- 210000002421 cell wall Anatomy 0.000 description 5
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001212149 Cathetus Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
- Toilet Supplies (AREA)
Abstract
The utility model discloses a damper, include: the shell, this shell has a cavity, the pivot, it rotationally injects the cavity of shell, the part that this pivot is located the cavity is equipped with the external screw thread, the guide pin bushing, it is equipped with the internal thread to can follow axial reciprocating motion ground dress and connect in the cavity of shell, and the external screw thread looks spiral of its internal thread and pivot cooperates, still being equipped with in the cavity of shell and being used for carrying out the guide structure that leads to the axial displacement of guide pin bushing, this guide pin bushing passes through axial displacement and meshes mutually or the phase separation with this guide structure to when the two phase separation, the guide pin bushing can rotate along with the pivot, be equipped with the check valve route on the guide pin bushing, when guide pin bushing axial displacement made it change to the separation from the meshing with guide structure, the check valve route was opened, at guide pin bushing in the other direction during axial displacement, the check valve route is closed, and any one or several kinds that fluid medium received to compel from the clearance between clearance, guide pin bushing and the shell between pivot and the guide pin bushing, the damping passageway that the pivot set up pass through.
Description
Technical field
The utility model relates to a kind of rotating shaft, particularly relates to a kind of resistance realizing the first very fast lower backward slowly whereabouts of pivotal part
Buddhist nun's device.
Background technology
Toilet is closely bound up with the life of people, and people are when using toilet, and the opening and closing action of lavatory lid is the most frequent.
In traditional toilet, between its lavatory lid and toilet seat, many employing undamped hinges are attached, and advantage is to realize toilet
The quick upset of cover plate, shortcoming is easily to clash into toilet seat during lavatory lid Guan Bi, thus does not only exist noise pollution,
It is also easy to make lavatory lid wear and tear.To this end, current commonly used damper connects lavatory lid and toilet seat, make toilet
Can realize during cover plate closing slowly landing.But, the damper that prior art is used, its damping action time is longer, leads
The closing course causing lavatory lid is the slowest, it is difficult to meet the use demand of user, particularly, for some lighter in weight
Lavatory lid, owing to the damping force of damper is bigger so that the more difficult landing of lavatory lid.
Utility model content
The utility model provides a kind of damper, which overcomes the weak point existing for the damper of prior art.
The utility model solves its technical problem and be the technical scheme is that a kind of damper, for a pivotal part pivot
Turn and be connected on a fixing seat, including:
One for the shell being connected on one of pivotal part and fixing seat, and this shell has a cavity, and this cavity is built with viscosity
Fluid media (medium)；
One rotating shaft on another being connected among pivotal part and fixing seat, it injects the chamber of described shell rotationally
Body, this rotating shaft part within the cavity is provided with external screw thread；
One guide pin bushing, it is provided with internal thread, and this guide pin bushing can the most reciprocatingly be secured in the cavity of shell, and spiral shell in it
The external screw thread phase threaded engagement of line and rotating shaft；It is additionally provided with in the cavity of shell for guide pin bushing being moved axially the guiding guided
Structure, this guide pin bushing is meshed with this guide frame by moving axially or is separated, and when the two is separated, guide pin bushing can be with turning
Axle rotates；
Described guide pin bushing is provided with check valve path, guide pin bushing move axially so that its with guide frame from engagement to when separating transformation,
Check valve path is opened, and is available for fluid media (medium) and passes through；Move axially so that it changes to engagement from separating with guide frame at guide pin bushing
Time, check valve path closes, and fluid media (medium) is forced to from the gap between the gap between rotating shaft and guide pin bushing, guide pin bushing and shell, turns
Any one or a few in the damp channel arranged on axle passes through.
Further, described guide pin bushing includes guide pin bushing head the most successively and is provided with the guide pin bushing main body of described internal thread, this guide pin bushing along it
Head is provided with described check valve path.
Further, described check valve path includes the cannelure being located at described guide pin bushing head periphery, and one is enclosed within described annular
In groove and the unidirectional valve collar that can move axially in this cannelure, the periphery of this unidirectional valve collar is soft with the cavity inner wall of described shell
Property seal coordinate, check valve path close after, fluid media (medium) is forced to from the gap between rotating shaft and guide pin bushing head and/or rotating shaft
The damp channel arranged passes through.
Further, the part that described rotating shaft is within the cavity includes being provided with externally threaded thread segment and the first shaft part, the two position
On same axis, after check valve path closes, fluid media (medium) is forced to from the gap between the first shaft part and guide pin bushing and/or the
The damp channel arranged on one shaft part passes through.
Further, described damp channel includes at least two mistake oil grooves, this at least two mistakes oil groove being axially located at along rotating shaft respectively
Rotating shaft sidewall, after check valve path closes, fluid media (medium) is forced to first pass through from each oil groove of crossing, and crosses oil groove from a part afterwards and leads to
Cross；Or, described damp channel is one, and cross-sectional area gradual change, and after check valve path closes, fluid media (medium) is forced to
First pass through from the part that cross-sectional area is big, pass through from the part that cross-sectional area is little afterwards.
Further, described at least two to cross the length of oil groove unequal, and the cross-sectional area crossing oil groove of length length is less than long
Spending the short cross-sectional area crossing oil groove, after check valve path closes, fluid media (medium) is forced to first pass through, afterwards from each oil groove of crossing
The cross oil groove the longest from length passes through.
Further, in the cavity of described shell, it is additionally provided with at least one rotation prevention portion, at described guide pin bushing with axis of rotation to preset angle
Limit guide pin bushing by this rotation prevention portion when spending to rotate.
Further, fixing in the cavity of described shell is that interior fit on is closed equipped with a fixed cover, described guide pin bushing and this fixed cover
System, described guide frame includes that a plurality of spacer ring is located at the first protuberance of fixed cover inwall, described guide pin bushing outer wall correspondence spacer ring
It is provided with a plurality of second protuberance, the first protuberance and the second protuberance to be meshed or be separated；Described rotation prevention portion is located at fixed cover, in institute
State guide pin bushing to offset to limit guide pin bushing rotation with the second protuberance of rotation prevention portion during axis of rotation to predetermined angle Yu guide pin bushing.
Further, the interval, end of described guide pin bushing head is disposed with a plurality of oil breach or mistake excessively axially through described cannelure
Oilhole.
Further, described first shaft part is one-body molded with described thread segment or coaxial Joint.
Further, one end of described shell is closed, and the other end is communicated with the axially open of described cavity, another of shell
At end, affixed one for sealing the end cap of this axially open, and described rotating shaft also includes one second shaft part, described thread segment be positioned at this
Between two shaft parts and the first shaft part, it is outer for being connected to pivotal part and fixing seat that the free end of this shaft part stretches out shell by end cap
Among another on.
Further, it is provided with sealing ring between the second shaft part and the cavity of shell of described rotating shaft.
Compared to prior art, the utility model has the advantages that
1, the utility model is by design described shell, rotating shaft, guide pin bushing so that fall behind to fall slowly the soonest when pivotal part closes,
Fall soon and realize undamped rotation for guide pin bushing with rotating shaft, drive pivotal part comparatively fast to land, fall slowly for guide pin bushing along with the rotation of rotating shaft realizes
Move axially and fluid media (medium) is forced to from the gap between the gap between rotating shaft and guide pin bushing, guide pin bushing and shell, rotating shaft setting
Any one or a few in damp channel passes through, thus drives pivotal part slowly to land, thus, the utility model on the whole can
Being greatly shortened the closing time of pivotal part, meet the use demand of user, the lavatory lid that can solve lighter in weight is not easy to fall
Problem, be avoided that when pivotal part closes and clash into fixing seat；
2, the utility model can more efficiently utilize space, utilizes the relation that guide pin bushing engages with guide frame or separates, will
Guide pin bushing stroke all applies to the landing phases of pivotal part, and the effective travel making guide pin bushing is elongated, and work distance is elongated, and stress diminishes,
So that the whole process that falls slowly is easier to control；
3, damp channel described in the utility model decision design so that the utility model falling the stage slowly at pivotal part, it is possible to enter
One step is slowly landed after promoting the most very fast landing of pivotal part, thus shortens the time of pivotal part Guan Bi further；
4, the utility model also has and makes that pivotal part open angle is big, it is quiet to work, can bear more heavy weight lavatory lid etc.
Feature.
Below in conjunction with drawings and Examples, the utility model is described in further detail；But a kind of damper of the present utility model
It is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is exploded perspective view of the present utility model；
Fig. 2 is the structural representation of guide pin bushing of the present utility model；
Fig. 3 is the structural representation of fixed cover of the present utility model；
Fig. 4 is guide pin bushing of the present utility model and the fixed cover structural representation in released state；
Fig. 5-1 is the utility model right view when lavatory lid closes；
Fig. 5-2 is the utility model generalized section when lavatory lid closes；
Fig. 6-1 is the utility model view (right side regards) during lavatory lid is flipped up predetermined angle；
Fig. 6-2 is the utility model view (section view) during lavatory lid is flipped up predetermined angle；
Fig. 7-1 is the utility model right view when lavatory lid is opened to predetermined angle；
Fig. 7-2 is the utility model generalized section when lavatory lid is opened to predetermined angle；
Fig. 8-1 is the utility model view (right side regards) in lavatory lid continues up switching process；
Fig. 8-2 is that the utility model continues up the view (section view) during beating at lavatory lid；
Fig. 9-1 is the utility model right view when lavatory lid fully opens；
Fig. 9-2 is the utility model generalized section when lavatory lid fully opens；
Figure 10-1 is the utility model view (right side regards) during lavatory lid downwardly turns over predetermined angle；
Figure 10-2 is the utility model view (section view) during lavatory lid downwardly turns over predetermined angle；
Figure 11-1 is that the utility model continues the view one (right side regards) during downwardly turning at lavatory lid；
Figure 11-2 is that the utility model continues the view one (section view) during downwardly turning at lavatory lid；
Figure 12-1 is that the utility model continues the view two (right side regards) during downwardly turning at lavatory lid；
Figure 12-2 is that the utility model continues the view two (section view) during downwardly turning at lavatory lid.
Detailed description of the invention
Embodiment, refers to shown in Fig. 1-Fig. 4, and a kind of damper of the present utility model, for pivoting a pivotal part even
Receiving on a fixing seat, in the present embodiment, pivotal part is specially lavatory lid, and fixing seat is specially toilet seat.This practicality is new
The damper of type includes:
One for the shell 1 being connected in toilet seat, and this shell 1 has a cavity, the built-in sticking fluid media (medium) of this cavity,
This fluid media (medium) is specially damping oil；
One for the rotating shaft 5 being connected on lavatory lid, and it injects the cavity of described shell 1 rotationally, and this rotating shaft 5 is positioned at
Part in cavity is provided with external screw thread；
One guide pin bushing 3, it is provided with internal thread, and this guide pin bushing 3 can the most reciprocatingly be secured in the cavity of shell 1, and its
The external screw thread phase threaded engagement of internal thread and rotating shaft 5；It is additionally provided with in the cavity of shell 1 for moving axially of guide pin bushing 3 is carried out
The guide frame guided, this guide pin bushing 3 is meshed with this guide frame by moving axially or is separated, and when the two is separated,
Guide pin bushing 3 can rotate with rotating shaft 5；
Described guide pin bushing 3 is provided with check valve path, and the both sides of this check valve path are respectively the cavity of shell 1 along rotating shaft 5
The first axially spaced chamber 11 and the second chamber 12, moves axially at guide pin bushing 3 and makes it with guide frame from engaging to dividing
In time changing, check valve path is opened, and is available for fluid media (medium) and passes through；Moving axially at guide pin bushing 3 makes it with guide frame from separating
When engagement changes, check valve path closes, and fluid media (medium) is forced to from the gap between rotating shaft 5 and guide pin bushing 3, and guide pin bushing 3 is with outer
Any one or a few in the damp channel arranged in gap between shell 1, rotating shaft 5 passes through, i.e. when rotating shaft 5 and guide pin bushing
Between when having gap, this gap is available for fluid media (medium) and passes through, and when having gap between guide pin bushing 3 and shell 1, this gap is available for stream
Body medium passes through, and when rotating shaft 5 is provided with damp channel, this damp channel is available for fluid media (medium) to be passed through；When three kinds of situations are all deposited
Time, fluid media (medium) passes through from corresponding gap and damp channel；When there are any two kinds of situations, such as when rotating shaft 5 and guide pin bushing
Between have gap, and rotating shaft 5 is provided with damp channel, then fluid media (medium) is passed through by corresponding gap and damp channel, or,
Between rotating shaft 5 and guide pin bushing, there is gap, and when also having gap between guide pin bushing 3 and shell 1, fluid media (medium) is logical from two kinds of gaps
Cross, or, when having gap between guide pin bushing 3 and shell 1, and rotating shaft 5 is provided with damp channel, then fluid media (medium) passes through phase
Gap and the damp channel answered pass through.
In the present embodiment, described guide pin bushing 3 includes guide pin bushing head 32 the most successively and is provided with the guide pin bushing main body 31 of described internal thread along it,
This guide pin bushing head 32 is provided with described check valve path.Described check valve path includes the cannelure being located at described guide pin bushing head 32 periphery
321, and a unidirectional valve collar 2 being enclosed within described cannelure 321 and can moving axially in this cannelure 321, this is unidirectional
The periphery of valve collar 2 is that flexible sealing coordinates with the cavity inner wall of described shell 1, makes not have between guide pin bushing 3 and shell 1 and can flow
The gap of logical fluid media (medium), therefore, when check valve path closes, fluid media (medium) is forced between rotating shaft 5 and guide pin bushing 3
Gap, and rotating shaft 5 arrange damp channel pass through.When the cell wall of unidirectional valve collar 2 with cannelure 321 outer end fits, single
It is in closure state to valve path, when opening in order to avoid check valve path, unidirectional valve collar 2 and another cell wall of cannelure 321
Fitting and cause check valve path to accidental switch off, can arrange isolation part 21 on unidirectional valve collar 2 (also can be in cannelure 321
Isolation part is set), utilize this isolation part 21 to isolate another cell wall of unidirectional valve collar 2 and cannelure 321, make the two keep not phase
The state of laminating.In order to avoid unidirectional valve collar 2 rotates relative to guide pin bushing head 32, limiting section 323 can be set in cannelure 321,
Unidirectional valve collar 2 arranges corresponding auxiliary section 22.Outside the end of described guide pin bushing head 32, weekly interval is disposed with and a plurality of axially passes through
Lead to described cannelure 321 crosses oil breach 322.
In the present embodiment, described rotating shaft 5 part within the cavity includes being provided with externally threaded thread segment 52 and the first shaft part 51,
The two coaxial Joint, and the first shaft part 51 is provided with described damp channel.This damp channel is specially located at the first shaft part 51
Two of side cross oil groove 511,512, cross oil groove 511,512 respectively along the length that the first shaft part 51 is axially arranged for these two
Strip structure, and these two length crossing oil groove 511,512 are unequal, the cross-sectional area crossing oil groove 512 of length length is little
In the cross-sectional area crossing oil groove 511 that length is short, after check valve path closes, fluid media (medium) is forced to first lead to from each oil groove of crossing
Cross, cross oil groove 512 from length length afterwards and pass through.
In the present embodiment, in the cavity of described shell 1, it is additionally provided with at least one rotation prevention portion 42, at described guide pin bushing 3 with rotating shaft 5 turns
Limit guide pin bushing 3 by this rotation prevention portion 42 when moving predetermined angle to rotate.
In the present embodiment, described guide frame is a plurality of first protuberances 41, and described guide pin bushing 3 outer wall is correspondingly provided with a plurality of
Two protuberances 311, the first protuberance 41 and the second protuberance 311 is meshed or be separated.
In the present embodiment, fixing equipped with a fixed cover 4 in the cavity of described shell 1, described guide pin bushing 3 and this fixed cover 4 are interior
Fit on relation, described a plurality of first protuberance 41 spacer rings are located at fixed cover 4 inwall, described a plurality of second protuberances 311
It is respectively rib, and spacer ring is located at guide pin bushing 3 outer wall, and (concrete, the second protuberance 311 is located at outside the guide pin bushing main body 31 of guide pin bushing 3
Wall)；Described rotation prevention portion 42 is located at fixed cover 4, when described guide pin bushing 3 turns to predetermined angle with rotating shaft 5 rotation prevention portion 42 with
Second protuberance 311 of guide pin bushing 3 offsets to limit guide pin bushing 3 and rotates.Described rotation prevention portion 42 is specially two, these two rotation prevention portions
On the end face of 42 one end being arranged at intervals at described fixed cover 4, and near described unidirectional valve collar 2.
In the present embodiment, one end of described shell 1 is closed, and the other end is communicated with the axially open of described cavity, shell 1
The other end at affixed one for sealing the end cap 8 of this axially open, described rotating shaft 5 also includes the second shaft part 53 of a hollow,
Described thread segment 52 is between this second shaft part 53 and first shaft part 51, and the free end of this second shaft part 53 passes through end cap 8
Stretch out shell 1 outer for being connected on lavatory lid；It is provided with sealing ring 6 between second shaft part 53 and the cavity of shell 1.
In the present embodiment, the root periphery of described second shaft part 53 is provided with an annular boss 531, another of described fixed cover 4
End is provided with inward flange, and inward flange is resisted against on the inner face of annular boss 531, with this, fixed cover 4 is realized axial limiting.For
Avoiding fixed cover 4 opposite shell 1 to rotate, can arrange draw-in groove in fixed cover 4 periphery, the cavity inner wall correspondence at shell 1 sets
Put card convex.Described sealing ring is specifically sheathed on annular boss 531 periphery of the second shaft part 53, the most sheathed on this second shaft part 53
There is a pad 7, and this pad 7 supports and is located between the outer face of annular boss 531 and the inner face of end cap 8.Second shaft part 53
Remainder include cylindrical section 532 and flat section 533, cylindrical section 532 between annular boss 531 and flat section 533,
And cylindrical section 532 adapt to the circle that arranges on end cap 8 and axially through through hole, make rotating shaft 5 relatively can rotate oneself by end cap 8
As.
When lavatory lid closes, state of the present utility model is as shown in Fig. 5-1, Fig. 5-2, now, and guide pin bushing 3 and fixed cover
4 are meshed, and unidirectional valve collar 2 is close to the cell wall of cannelure 321 outer end of guide pin bushing 3, makes check valve path be in closure state.
When being flipped up lavatory lid, rotating shaft 5 rotates clockwise with lavatory lid, as in Figure 6-1, and arrow table in figure
Show the rotation direction of rotating shaft 5.Owing to the second protuberance 311 of guide pin bushing 3 and the first protuberance 41 of fixed cover 4 are meshed, and lead
Set 3 is mutually threaded with rotating shaft 5, thus, along with the rotation of rotating shaft 5, guide pin bushing 3 is gradually towards making its second protuberance 311 with solid
Surely the direction that the first protuberance 41 of set 4 separates moves axially (i.e. direction shown in Fig. 6-2 straight arrows), it addition, along with leading
Moving axially of set 3, the damping oil in the first chamber 11 is squeezed, and unidirectional valve collar 2 is formed reaction force, makes list
Move towards the direction of the second chamber 12 to valve collar 2, thus, unidirectional valve collar 2 progressively disengages outside the cannelure 321 of guide pin bushing 3
Side channel wall, makes to produce bigger gap between unidirectional valve collar 2 and cannelure 321, so that the damping oil in the first chamber 11
Main by guide pin bushing head 32 cross oily breach 322, gap between unidirectional valve collar 2 and cannelure 321 flows to the second chamber 12,
As in fig. 6-2, in figure, curve arrow represents the flow direction of damping oil.Sub-fraction damping oil in first chamber 11 leads to
The oil groove of crossing crossing the first shaft part 51 cross section area less flows to the second chamber 12.During Gai, the flowing of damping oil be more
Smooth and easy, make lavatory lid to open resistance less.
When lavatory lid is opened to predetermined angle (70 °), the second protuberance 311 of guide pin bushing 3 and the first of fixed cover 4 convex
Portion 41 is completely isolated, and as shown in Fig. 7-1,7-2, now, guide pin bushing 3 no longer moves axially, and guide pin bushing 3 can be with rotating shaft 5
Rotate；The most no longer carrying out the exchange of damping oil between first chamber 11 and the second chamber 12, rotating shaft 5 is free to rotate.Work as horse
When cover plate continues up upset, as shown in Fig. 8-1,8-2, rotating shaft 5 continues to rotate clockwise with lavatory lid, and rotating shaft
5 rotate freely, and drive guide pin bushing 3 to rotate together.When lavatory lid is flipped up putting in place (120 °), the utility model
State as shown in Fig. 9-1,9-2, now, the second protuberance 311 of guide pin bushing 3 and the first protuberance 41 of fixed cover 4 still in
Completely isolated state, and wherein two second protuberances 311 of guide pin bushing 3 are against on the wherein side of two rotation prevention portions 42 respectively.
When downwardly turning over lavatory lid, rotating shaft 5 rotates counterclockwise therewith, and as shown in Figure 10-1, in figure, arrow represents rotating shaft
The rotation direction of 5.During this, guide pin bushing 3 realizes undamped rotation with rotating shaft 5, as shown in Figure 10-2, makes lavatory lid
Realize rapid descent.When lavatory lid downwardly turns over to 70 ° of positions, wherein two second protuberances 311 of guide pin bushing 3 are against two
On the opposite side of rotation prevention portion 42, thus limit guide pin bushing 3 and continue to rotate with rotating shaft 5, due to the thread segment of guide pin bushing 3 with rotating shaft 5
52 is mutually threaded, and now, each second protuberance 311 of guide pin bushing 3 is just the most wrong with each first protuberance 41 of fixed cover 4
Position, thus, when rotating shaft 5 is rotated further, guide pin bushing 3 will be driven towards the first protuberance making its second protuberance 311 and fixed cover 4
The direction of 41 engagements moves axially, and as shown in Figure 11-1, Figure 11-2, figure cathetus arrow represents the moving direction of guide pin bushing 3,
Lavatory lid is made to enter to fall the stage slowly.Along with moving axially of guide pin bushing 3, the outer end cell wall of described cannelure 321 is gradually affixed to list
To valve collar 2, make check valve path close, the damping oil in the second chamber 12 by the first shaft part 51 two cross oil grooves 511,
Gap between 512, and rotating shaft 5 and guide pin bushing 3 flows to the first chamber 11, as shown in Figure 11-2, curve arrow table in figure
Showing the flow direction of damping oil, this is that lavatory lid falls the early stage process in stage slowly, its speed that falls slowly.
Along with lavatory lid continues to downwardly turn over, rotating shaft 5 is rotated further, and guide pin bushing 3 continues towards shown in the straight arrows of Figure 11-2
Direction moves axially, and check valve path remains closed, and the damping oil in the second chamber 12 passes through the first shaft part 51 cross section face
The long-pending less gap crossed between oil groove 512, and rotating shaft 5 and guide pin bushing 3 flows to the first chamber 11, such as Figure 12-1, Figure 12-2
Shown in, figure cathetus arrow represents the flow direction of damping oil, and this is that lavatory lid falls the late stage in stage slowly, its slow terminal-velocity
Spend slower.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to pass through from the gap between rotating shaft and guide pin bushing.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to pass through from the gap between shell and guide pin bushing.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to from the gap between rotating shaft and guide pin bushing, and the gap between guide pin bushing and shell is passed through.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to from the gap between rotating shaft and guide pin bushing, and the damp channel arranged in rotating shaft passes through.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to from the gap between shell and guide pin bushing, and the damp channel arranged in rotating shaft passes through.
In other embodiments, move axially at guide pin bushing and make it with guide frame in time separating to engagement transformation, check valve path
Guan Bi, fluid media (medium) is forced to from the gap between the gap between rotating shaft and guide pin bushing, guide pin bushing and shell, rotating shaft the damping arranged
Passage passes through.
In other embodiments, described damp channel is one, and cross-sectional area gradual change, after check valve path closes,
Fluid media (medium) is forced to first pass through from the part that cross-sectional area is big, passes through from the part that cross-sectional area is little afterwards.
In other embodiments, described guide pin bushing cephalic par interval is disposed with a plurality of oil-through hole axially through described cannelure.
In other embodiments, described guide pin bushing cephalic par, for arranging described oil breach or oil-through hole excessively, is opened at check valve path
Under state, the damping oil of the first chamber by gap between guide pin bushing head and shell, between unidirectional valve collar and cannelure between clearance flow
To the second chamber.
In other embodiments, described guide frame and rotation prevention portion are directly molded on described outer casing inner wall.
In other embodiments, rotating shaft of the present utility model is connected in toilet seat, and shell is connected on lavatory lid.
In other embodiments, damper of the present utility model is applied to miscellaneous equipment, such as, apply on piano, is used for making
Piano cover plate can quickly be opened, slowly closing.
Above-described embodiment is only used for further illustrating a kind of damper of the present utility model, but the utility model is not limited to reality
Execute example, every any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model,
Each fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. a damper, for being pivotally attached to a fixing seat a pivotal part, it is characterised in that: bag
Include:
One for the shell that is connected on one of pivotal part and fixing seat, and this shell has a cavity, this cavity built with
The fluid media (medium) of viscosity；
One rotating shaft on another being connected among pivotal part and fixing seat, it injects described shell rotationally
Cavity, this rotating shaft part within the cavity is provided with external screw thread；
One guide pin bushing, it is provided with internal thread, and this guide pin bushing can the most reciprocatingly be secured in the cavity of shell, and its
The external screw thread phase threaded engagement of internal thread and rotating shaft；It is additionally provided with in the cavity of shell and carries out for guide pin bushing is moved axially
The guide frame guided, this guide pin bushing is meshed with this guide frame by moving axially or is separated, and divides mutually at the two
From time, guide pin bushing can be with axis of rotation；
Described guide pin bushing is provided with check valve path, moves axially so that it turns to separating from engagement with guide frame at guide pin bushing
During change, check valve path is opened, and is available for fluid media (medium) and passes through；Move axially so that itself and guide frame are from dividing at guide pin bushing
Descriscent engagement change time, check valve path close, fluid media (medium) is forced to from the gap between rotating shaft and guide pin bushing, guide pin bushing and
Any one or a few in the damp channel arranged in gap between shell, rotating shaft passes through.
Damper the most according to claim 1, it is characterised in that: described guide pin bushing includes guide pin bushing the most successively along it
Head and the guide pin bushing main body being provided with described internal thread, this guide pin bushing head is provided with described check valve path.
Damper the most according to claim 2, it is characterised in that: described check valve path include being located at described in lead
The cannelure of pullover periphery, and a check valve being enclosed within described cannelure and can moving axially in this cannelure
Ring, the periphery of this unidirectional valve collar is that flexible sealing coordinates with the cavity inner wall of described shell, after check valve path closes,
The damp channel that fluid media (medium) is forced to from the gap between rotating shaft and guide pin bushing head and/or rotating shaft arrange passes through.
4. according to the damper according to any one of claim 1-3, it is characterised in that: described rotating shaft is within the cavity
Part include being provided with externally threaded thread segment and the first shaft part, the two is positioned on same axis, closes at check valve path
After conjunction, fluid media (medium) is forced to from the gap between the first shaft part and guide pin bushing and/or the first shaft part the damp channel arranged
Pass through.
Damper the most according to claim 4, it is characterised in that: described damp channel includes that at least two is the most oily
Groove, this at least two crosses oil groove and is axially located at rotating shaft sidewall along rotating shaft respectively, and after check valve path closes, fluid is situated between
Matter is forced to first pass through from each oil groove of crossing, and crosses oil groove from a part afterwards and passes through；Or, described damp channel is one,
And cross-sectional area gradual change, after check valve path closes, fluid media (medium) is forced to first lead to from the part that cross-sectional area is big
Cross, pass through from the part that cross-sectional area is little afterwards.
Damper the most according to claim 5, it is characterised in that: the length of described at least two mistake oil grooves is unequal,
And the cross-sectional area crossing oil groove of length length is less than the cross-sectional area crossing oil groove that length is short, close at check valve path
After conjunction, fluid media (medium) is forced to first pass through from each oil groove of crossing, and passes through from the oil groove of crossing that length is the longest afterwards.
Damper the most according to claim 1, it is characterised in that: it is additionally provided with at least one in the cavity of described shell
Rotation prevention portion, limits guide pin bushing when described guide pin bushing is with axis of rotation to predetermined angle by this rotation prevention portion and rotates.
Damper the most according to claim 7, it is characterised in that: fixing equipped with one in the cavity of described shell
Fixed cover, described guide pin bushing and this fixed cover are inside and outside matching relationship, and described guide frame includes that a plurality of spacer ring is located at
First protuberance of fixed cover inwall, described guide pin bushing outer wall correspondence spacer ring is provided with a plurality of second protuberance, the first protuberance and
Second protuberance is meshed or is separated；Described rotation prevention portion is located at fixed cover, at described guide pin bushing with axis of rotation to preset angle
When spending, rotation prevention portion offsets to limit guide pin bushing rotation with the second protuberance of guide pin bushing.
Damper the most according to claim 3, it is characterised in that: the interval, end of described guide pin bushing head is disposed with multiple
Several oil breach or oil-through holes excessively axially through described cannelure.
Damper the most according to claim 4, it is characterised in that: one end of described shell is closed, the other end
Being communicated with the axially open of described cavity, at the other end of shell, affixed one for sealing the end cap of this axially open,
Described rotating shaft also includes one second shaft part, described thread segment between this second shaft part and first shaft part, this second axle
It is outer for being connected on another among pivotal part and fixing seat that the free end of section stretches out shell by end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094280.1U CN205531896U (en) | 2016-01-29 | 2016-01-29 | Damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094280.1U CN205531896U (en) | 2016-01-29 | 2016-01-29 | Damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205531896U true CN205531896U (en) | 2016-08-31 |
Family
ID=56774450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620094280.1U Withdrawn - After Issue CN205531896U (en) | 2016-01-29 | 2016-01-29 | Damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205531896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781303A (en) * | 2016-01-29 | 2016-07-20 | 王湘冀 | Damper |
| CN106522718A (en) * | 2017-01-03 | 2017-03-22 | 厦门德浦精密科技有限公司 | Magnetic damper |
| CN106639721A (en) * | 2017-03-13 | 2017-05-10 | 泰特斯（深圳）零部件有限公司 | Structure device of rotary type damper and usage of structure device |
-
2016
- 2016-01-29 CN CN201620094280.1U patent/CN205531896U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781303A (en) * | 2016-01-29 | 2016-07-20 | 王湘冀 | Damper |
| CN105781303B (en) * | 2016-01-29 | 2017-07-11 | 王湘冀 | A kind of damper |
| WO2017128971A1 (en) * | 2016-01-29 | 2017-08-03 | 王湘冀 | Damping device |
| US10718144B2 (en) | 2016-01-29 | 2020-07-21 | Xianji Wang | Damper |
| CN106522718A (en) * | 2017-01-03 | 2017-03-22 | 厦门德浦精密科技有限公司 | Magnetic damper |
| CN106639721A (en) * | 2017-03-13 | 2017-05-10 | 泰特斯（深圳）零部件有限公司 | Structure device of rotary type damper and usage of structure device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160824 Address after: Xiafei road in Haicang District of Xiamen city of Fujian Province, No. 2 361000 Patentee after: Xiamen Weidiya Precision Mould Plastic Co., Ltd. Address before: Xiafei road in Haicang District of Xiamen city of Fujian Province, No. 2 361022 Patentee before: Wang Xiangji |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20170711 |