CN206385964U - A kind of magnetic damper - Google Patents
A kind of magnetic damper Download PDFInfo
- Publication number
- CN206385964U CN206385964U CN201720000739.1U CN201720000739U CN206385964U CN 206385964 U CN206385964 U CN 206385964U CN 201720000739 U CN201720000739 U CN 201720000739U CN 206385964 U CN206385964 U CN 206385964U
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- China
- Prior art keywords
- housing
- rotating shaft
- magnetic force
- magnetic
- piston
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- Withdrawn - After Issue
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- Toilet Supplies (AREA)
Abstract
The utility model is related to a kind of magnetic damper, it is characterised in that it includes housing, rotating shaft, magnetic force piston and the static magnet located at enclosure interior one or both ends, wherein, rotating shaft is rotatably arranged on housing, its one end is located at enclosure interior, and the other end is stretched out outside housing, and rotating shaft is provided with external screw thread, magnetic force piston is un-rotatably in housing, and be set in rotating shaft, the mating surface of magnetic force piston and rotating shaft is provided with internal thread, and magnetic force piston and one end of static magnet same polarity are oppositely arranged.The utility model can reduce the use of damping oil, and increase the bearing load of damper.
Description
Technical field
The utility model is related to a kind of damping structure, more particularly to a kind of magnetic damper.
Background technology
Tradition relies primarily on damping oil not applied to the damper in toilet lid and seat ring for the control for pivoting speed
Realized with the flowing velocity between pressure cavity, and time decay fluctuation occurs in damping oil under high and low temperature environment, therefore surely
It is qualitative poor.Secondly, damper is in motion process, and damping oil therein can produce high pressure to cavity, easily causes cavity leakage
Oil, rupture, so as to cause damping function to fail.Moreover, when cavity generation damping oil is revealed on a small quantity, due to that can not be effectively formed
High pressure chest is to resist load, the result is that causing to damp direct failure, so as to cause the damage of toilet lid in use simultaneously
In the presence of the risk for injuring user of service by a crashing object.
Therefore, conventional damper is further improved.The magnetic damper that this patent is proposed exactly is asked above for solution
Inscribe and propose.
Utility model content
The purpose of this utility model is to provide a kind of magnetic damper, to reduce the use of damping oil, increase damper
Bearing load.
The technical scheme for realizing the utility model purpose is:
A kind of magnetic damper, including housing, rotating shaft, magnetic force piston and located at the magnetostatic of enclosure interior one or both ends
Iron, wherein, rotating shaft is rotatably arranged on housing, and its one end is located at enclosure interior, and the other end stretches out outside housing, set in rotating shaft
There is external screw thread, magnetic force piston is un-rotatably in housing, and be set in rotating shaft, in the mating surface of magnetic force piston and rotating shaft
Provided with internal thread, and magnetic force piston and one end of static magnet same polarity are oppositely arranged.
Preferably, described housing is the cylindrical barrel of one end open, and the openend of housing is fixed with a baffle ring, described
Rotating shaft include the shaft coupling portion of footstalk, thread segment, extension and connection footstalk and thread segment, wherein, rotating shaft in the housing,
Its footstalk stretches out hull outside from the mounting hole of baffle ring, and extension is the cylinder with smooth surface stretched out from thread segment
Body, extension is rotationally connected with housing bottom, and shaft coupling portion external diameter is then adapted to inner walls, and can be kept with inner walls
Sealing.
Preferably, the circumferencial direction in the shaft coupling portion is provided with groove, and trench interiors are provided with sealing ring.
Preferably, described static magnet is one, and described static magnet is located at the bottom of housing, described magnetic force piston bag
The piston and ring-type moving magnet of cup-shaped body are included, described moving magnet is fixedly connected with internal piston by interference fit.
Preferably, described static magnet is integrally formed with housing bottom achieves a fixed connection.
Preferably, described static magnet is two, is respectively arranged on the openend and bottom of housing, described magnetic force piston bag
Include the adaptation externally threaded piston of rotating shaft and set ring-type moving magnet therein.
Preferably, the static magnet of the openend is fixedly installed on shaft coupling portion.
Preferably, oil groove was set in a small amount of damping oil of encapsulation, piston inner threaded surface in described housing.
Preferably, described inner walls are provided with standstill face.
After such scheme, if damper is unidirectional damping, when rotating shaft is rotated forward, magnetic force piston is to static magnet
One end motion, because magnetic force piston and one end of static magnet same polarity are oppositely arranged, the repulsion that magnetic force piston is produced with static magnet
Rotating forward for power countershaft produces certain obstruction, and this motion-impeding power is between magnetic force piston and static magnet
Distance reduces and becomes big；When rotating shaft is rotated backward, magnetic force piston to away from static magnet an end motion because magnetic force piston with
One end of static magnet same polarity is oppositely arranged, and the repulsive force countershaft that is produced between magnetic force piston and static magnet rotates backward production
Raw power-assisted, and this power-assisted is as the distance between magnetic force piston and static magnet increase and diminish.
If damper is bidirectional damper, when rotating shaft forward or reverse, position is quiet to any one end between making magnetic force piston therefrom
The direction motion of magnet, static magnet of the magnetic force piston away from one end produces power-assisted to the motion of magnetic force piston, and this power-assisted with
Magnetic force piston away from and diminish, and static magnet of the magnetic force piston close to one end produces obstruction, and this to the motion of magnetic force piston
Plant and hinder with the close of magnetic force piston to increase, therefore, the damping that magnetic force piston is moved to any one end static magnet direction
Gradual change is become big；Conversely, the damping that magnetic force piston is moved from any one end static magnet direction to middle position diminishes gradual change.
Damping carrier, damping oil control stable movement are used as by the use of magnet magnetic force using the magnetic damper after such scheme
Spend, therefore the program is greatly reduced compared to damping oil used in traditional pure damping oil control damper.The art of this patent side
Case can effectively reduce the adverse effect that the unstability of damping oil is produced to damper；Secondly, said structure magnetic damper
Structure can in the case of equivalent constructions intensity and oil mass effective increasing productivity bearing capacity.So, the applicable model of magnetic damper
Enclosing becomes more extensive, does not go for closestool singly, moreover it is possible to suitable for loading bigger application scenario.Again, because reduction
For the usage amount of damping oil, while also reducing the pressure that damping oil is produced for housing cavity wall, magnetic damper can be fitted
With thinner housing cavity wall, so that the exterior design of magnetic damper becomes more to minimize.Most of all, working as magnetic force
Damper because produce it is bad or in use damping oil reveal when, the damping produced using magnet can be product function
Ultimate protection is provided.
Brief description of the drawings
Fig. 1 is the overall structure of the explosion figure of the utility model embodiment 1.
The cross-sectional schematic of damper when Fig. 2 rotates forward for the rotating shaft of the utility model embodiment 1.
Left end face diagram when Fig. 3 rotates forward for the rotating shaft of the utility model embodiment 1.
The cross-sectional schematic of damper when Fig. 4 rotates backward for the rotating shaft of the utility model embodiment 1.
Left end face diagram when Fig. 5 rotates backward for the rotating shaft of the utility model embodiment 1.
Fig. 6 is the pivot structure diagram of the utility model embodiment 1.
Fig. 7 is the piston external structural diagram of the utility model embodiment 1.
Fig. 8 is the piston cross-section face configuration diagram of the utility model embodiment 1.
Fig. 9 is Fig. 8 partial enlarged drawing.
Figure 10 is the overall structure of the explosion figure of the utility model embodiment 2.
State cut-away view when Figure 11 is centrally located for the magnetic force piston of the utility model embodiment 2.
End face diagram when Figure 12 is centrally located for the magnetic force piston of the utility model embodiment 2.
Figure 13 for the utility model embodiment 2 magnetic force piston from openend static magnet to centre position move when section
Diagram.
Figure 14 for the utility model embodiment 2 magnetic force piston from openend static magnet to centre position move when end face
Diagram.
Figure 15 for the utility model embodiment 2 magnetic force piston from housing bottom static magnet to centre position move when cut open
Face diagram.
Figure 16 for the utility model embodiment 2 magnetic force piston from housing bottom static magnet to centre position move when end
Face diagram.
In figure,
The spacing standstill face 12 of blind hole 10 of 1 baffle ring of housing, 11 mounting hole 110
The shaft coupling portion 24 of 22 extension of rotating shaft 2 footstalk, 21 thread segment 23
The sealing ring 240 of groove 241
The internal thread 31 of piston 3 houses the through hole of cavity 30 32 outer walls 33 of section
Cross oil groove 34
The static magnet 6 of 4 static magnet of moving magnet 5.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model and beneficial effect are described in detail.
Embodiment 1
As shown in figure 1, a kind of magnetic damper that the utility model is related to, is one-way damper, for a pivot
Part is pivotably coupled in a fixed seat, including housing 1, rotating shaft 2, piston 3 and moving magnet 4 and static magnet 5.Rotating shaft 2 can turn
Dynamicly on housing 1, its one end is inside housing 1, and the other end is stretched out outside housing 1, and rotating shaft 2 is provided with external screw thread 21,
Piston 3 is un-rotatably in housing 1, and be set in rotating shaft 2, and piston 3 and the mating surface of rotating shaft 2 are provided with internal thread
31, a moving magnet 4 is fixed with inside piston 3, the bottom of housing 1 is fixed with a static magnet 5, and moving magnet 4 and the same polarity of static magnet 5
One end be oppositely arranged.
Specifically, housing 1 is the cylindrical barrel of one end open, and the openend of housing 1 is fixed with a baffle ring 11, fixation side
Formula can be ultrasonic bonding, infrared welding or bonding etc..Baffle ring 11 is provided with mounting hole 110, and the bottom of housing 1 is fixedly installed
There is the static magnet 5 of ring-type, the fixed form of static magnet 5 selects the mode integrally formed with housing herein, and card is can also be certainly
Either coordinated located at the bottom of housing 1 with the bottom of housing 1 by interference mode.Ring-type static magnet 5 is centrally located at the bottom of housing 1
Center is provided with spacing blind hole 10, and the inwall of housing 1 is provided with the relative standstill face 12 set up.
As shown in fig. 6, rotating shaft 2 includes the connection of footstalk 21, thread segment 22, extension 23 and connection footstalk 21 and thread segment 22
Axle portion 24, rotating shaft 2 is in housing 1, and its footstalk 21 is stretched out outside housing 1 from the mounting hole 110 of baffle ring 11, and extension 23 is certainly
The cylinder with smooth surface that thread segment 22 stretches out, extension 23 is inserted in the spacing blind hole 10 of the bottom of housing 1, and
The external diameter of shaft coupling portion 24 is then adapted to the inwall of housing 1, and can keep sealing with the inwall of housing 1, more specifically, shaft coupling portion 24 is an edge
Circumferencial direction is provided with the round platform of groove 241, and the inside of groove 241 is provided with sealing ring 240.
The cup-shaped body of piston 3, goblet bottom has through hole section 32, and through hole section 32 has the adaptation thread segment 22 of rotating shaft 2
Internal thread 31, goblet has adaptation housing 1 and its outer wall 33 of standstill face 12, forms accommodating between inwall and goblet bottom
Ring-type moving magnet 4 is fixedly installed by interference fit in cavity 30, accommodating cavity 30, piston 3 is total to ring-type moving magnet 4
With composition magnetic movable plug.
As shown in Figure 7 to 9, as a kind of preferably embodiment, the root of internal thread 31 of the through hole of piston 3 section can be set
Put a small amount of damping oil of encapsulation in oil groove 34, housing 1.
The course of work of above-mentioned magnetic damper is as follows：
As shown in Figures 2 to 5, when rotating shaft 2 is rotated forward（It is rotated by 90 °）, piston 3 is with moving magnet 4 to static magnet 5
An end motion because moving magnet 4 and one end of the same polarity of static magnet 5 are oppositely arranged, between moving magnet 4 and static magnet 5
Distance reduce, the repulsive force countershaft 2 produced between moving magnet 4 and static magnet 5 rotates backward generation obstruction, and this resistance
The power of motion is hindered to become big as the distance between moving magnet 4 and static magnet 5 reduce；When rotating shaft 2 is rotated backward, the band of piston 3
Moving magnet 4 to move to the direction away from static magnet, because moving magnet 4 and one end of the same polarity of static magnet 5 are oppositely arranged, move magnetic
The repulsive force countershaft 2 produced between iron 4 and static magnet 5 rotates forward generation power-assisted, and this power-assisted with moving magnet 4 with
The distance between static magnet 5 increases and diminished, in magnetic force piston motion process, and damping oil can cross oil groove from magnetic force piston
Pass through, play shock absorbing effect, appropriate compensation is carried out to the damping action that magnetic force is produced, so that damper operates steadily.This
Plant usage amount demand of the damper of structure first to damping oil smaller, can avoid substantially because damping oil is under high and low temperature environment
The decay fluctuation of generation, and because not being influenced by temperature in home of the magnet below 50 °C, it is ensured that damping
The performance of device is stable；Secondly, the excessively multipair cavity of damping oil can be avoided to produce high pressure, the service life of damper is had influence on, therefore,
The magnetic damper can be applicable the housing cavity wall of thinner smallerization；Again, above-mentioned magnetic damper is shared because of magnet
Loading force can reach more than 30%, and the remaining loading force less than 70% is undertaken by damping oil, so, can greatly promote magnetic force resistance
The loading force of Buddhist nun's device, expands the scope of application of magnetic damper, the magnetic damper is applied on lavatory lid, also
It can be suitably used for the application scenario bigger than lavatory lid loading force.
Embodiment 2
As shown in Figure 10, a kind of magnetic damper that the utility model is related to, is two way damper, including housing 1, rotating shaft
2nd, magnetic force piston, static magnet 5 and static magnet 6.
Wherein, rotating shaft 2 is rotatably arranged on housing 1, its one end inside the housing 1, the other end stretch out housing 1 it
Outside, rotating shaft 2 is provided with external screw thread 21, and magnetic force piston is un-rotatably in housing 1, and be set in rotating shaft 2, magnetic force piston
Internal thread 31 is provided with the mating surface of rotating shaft 2, static magnet 6 and static magnet 5 are respectively arranged on the openend and bottom of housing 1, and
The one end of the two ends of magnetic force piston respectively with static magnet 5 and the same polarity of static magnet 6 is oppositely arranged.
Specifically, housing 1 is the cylindrical barrel of one end open, and the openend of housing 1 is fixed with a baffle ring 11, fixation side
Formula can be ultrasonic bonding, infrared welding or bonding etc..Baffle ring 11 is provided with mounting hole 110.The bottom of housing 1 is fixedly installed
There is the static magnet 5 of ring-type, the fixed form of static magnet 5 selects the mode integrally formed with housing herein, and card is can also be certainly
Either coordinated located at the bottom of housing 1 with the bottom of housing 1 by interference mode.Ring-type static magnet 5 is centrally located at the bottom of housing 1
Center is provided with spacing blind hole 10, and the inwall of housing 1 is provided with the relative standstill face 12 set up.
As is illustrated by figs. 11 and 12, rotating shaft 2 includes footstalk 21, thread segment 22, extension 23 and connection footstalk 21 and screw thread
The shaft coupling portion 24 of section 22, rotating shaft 2 is in housing 1, and its footstalk 21 is stretched out outside housing 1 from the mounting hole 110 of baffle ring 11, extension
Section 23 is the cylinder with smooth surface stretched out from thread segment 22, and extension 23 is inserted in the spacing of the bottom of housing 1
Blind hole 10, and the external diameter of shaft coupling portion 24 is then adapted to the inwall of housing 1, and can keep sealing with the inwall of housing 1.More specifically, shaft coupling
Portion 24 is a round platform for being along the circumferential direction provided with groove 241, and the inside of groove 241 is provided with sealing ring 240, and static magnet 6 is fixed and set
It is placed in the shaft coupling portion 24 of openend.
Magnetic force piston includes the adaptation externally threaded piston 3 of rotating shaft 2 and sets ring-type moving magnet 4 therein.
Same as Example 1, the root of internal thread 31 of the through hole of piston 3 section, which can be set in oil groove 34, housing 1, to be sealed
Fill a small amount of damping oil.
The course of work of above-mentioned magnetic damper is as follows：
As shown in Figure 11 to Figure 12, when rotating shaft forward or reverse, position is magnetostatic to any one end between making magnetic force piston therefrom
The direction motion of iron, motion of static magnet of the magnetic force piston away from one end to magnetic force piston produces power-assisted, and this power-assisted is with magnetic
Power piston away from and diminish, and static magnet of the magnetic force piston close to one end produces obstruction to the motion of magnetic force piston, and this
Hinder with the close of magnetic force piston to increase, therefore, the damping that magnetic force piston is moved to any one end static magnet direction will
Gradual change becomes big；Conversely, as shown in Figure 13 to Figure 16, the resistance that magnetic force piston is moved from any one end static magnet direction to middle position
Buddhist nun diminishes gradual change.In magnetic force piston motion process, damping oil can pass through from the oil groove of crossing of magnetic force piston, can play buffering and subtract
Shake is acted on, and appropriate compensation is carried out to the damping action that magnetic force is produced, so that damper operates steadily.The damper of such a structure is first
Usage amount demand first to damping oil is smaller, can avoid substantially because the decay fluctuation that damping oil is produced under high and low temperature environment,
Again because not being influenced by temperature in home of the magnet below 50 °C, it is ensured that the performance of damper is stable；Its
It is secondary, the excessively multipair cavity of damping oil can be avoided to produce high pressure, the service life of damper is had influence on, therefore, the magnetic damper can
To be applicable the housing cavity wall of thinner smallerization；Again, above-mentioned magnetic damper can reach 30% because of the loading force that magnet is shared
More than, the remaining loading force less than 70% is undertaken by damping oil, so, can greatly promote the loading force of magnetic damper, is expanded
The scope of application of big magnetic damper, makes the magnetic damper to be applied on lavatory lid, moreover it is possible to suitable for than closestool
The bigger application scenario of cover plate loading force.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any improvement done on the basis of technical scheme and equivalent substitution,
Each fall within the utility model protection domain.
Claims (9)
1. a kind of magnetic damper, it is characterised in that including housing, rotating shaft, magnetic force piston and located at enclosure interior one end or two
The static magnet at end, wherein, rotating shaft is rotatably arranged on housing, and its one end is located at enclosure interior, and the other end is stretched out outside housing,
Rotating shaft is provided with external screw thread, magnetic force piston un-rotatably in the housing, and be set in rotating shaft, magnetic force piston and rotating shaft
Mating surface is provided with internal thread, and magnetic force piston and one end of static magnet same polarity are oppositely arranged.
2. a kind of magnetic damper as claimed in claim 1, it is characterised in that described housing is cylindric for one end open
Cylinder, the openend of housing is fixed with a baffle ring, and described rotating shaft includes footstalk, thread segment, extension and connection footstalk and spiral shell
The shaft coupling portion of line section, wherein, rotating shaft is in housing, and its footstalk stretches out hull outside from the mounting hole of baffle ring, and extension is certainly
The cylinder with smooth surface that thread segment stretches out, extension is rotationally connected with housing bottom, and outside shaft coupling portion
Footpath is then adapted to inner walls, and can keep sealing with inner walls.
3. a kind of magnetic damper as claimed in claim 2, it is characterised in that the circumferencial direction in the shaft coupling portion is provided with ditch
Groove, trench interiors are provided with sealing ring.
4. a kind of magnetic damper as claimed in claim 2 or claim 3, it is characterised in that described static magnet is one, described
Static magnet is located at the bottom of housing, and described magnetic force piston includes the piston and ring-type moving magnet of cup-shaped body, described dynamic magnetic
Iron is fixedly connected with internal piston by interference fit.
5. a kind of magnetic damper as claimed in claim 4, it is characterised in that described static magnet and housing bottom one into
Type achieves a fixed connection.
6. a kind of magnetic damper as claimed in claim 2 or claim 3, it is characterised in that described static magnet is two, is set respectively
In the openend and bottom of housing, described magnetic force piston includes being adapted to the externally threaded piston of rotating shaft and setting ring-type therein moving
Magnet.
7. a kind of magnetic damper as claimed in claim 6, it is characterised in that the static magnet of the openend is fixedly installed on
Shaft coupling portion.
8. a kind of magnetic damper as claimed in claim 1, it is characterised in that a small amount of damping oil of encapsulation in described housing,
Oil groove was set in piston inner threaded surface.
9. a kind of magnetic damper as claimed in claim 1, it is characterised in that described inner walls are provided with standstill face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000739.1U CN206385964U (en) | 2017-01-03 | 2017-01-03 | A kind of magnetic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000739.1U CN206385964U (en) | 2017-01-03 | 2017-01-03 | A kind of magnetic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206385964U true CN206385964U (en) | 2017-08-08 |
Family
ID=59491809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720000739.1U Withdrawn - After Issue CN206385964U (en) | 2017-01-03 | 2017-01-03 | A kind of magnetic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206385964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522718A (en) * | 2017-01-03 | 2017-03-22 | 厦门德浦精密科技有限公司 | Magnetic damper |
-
2017
- 2017-01-03 CN CN201720000739.1U patent/CN206385964U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522718A (en) * | 2017-01-03 | 2017-03-22 | 厦门德浦精密科技有限公司 | Magnetic damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170808 Effective date of abandoning: 20191001 |
|
| AV01 | Patent right actively abandoned |