CN208221446U - Can bidirectional output rotary damping device - Google Patents

Abstract

The utility model discloses it is a kind of can bidirectional output rotary damping device, including hollow shell, end cap, damping shaft, multi-disc partition, multiple moving vanes and medium, end cap is set to one end of shell, shell and end cap form a confined space, damping shaft is contained in confined space, and the both ends of damping shaft are stretched out from end cap respectively, damping shaft both ends are in ladder gradually-reducing shape, multi-disc diaphragm rings are around being fixed in the middle part of damping shaft and annulus confined space is divided into multiple regions, multiple regions pass through the gap area between partition and outer casing inner wall, there is an inclination angle between partition and damping shaft；Moving vane shape is similar to the region shape after segmentation, and each moving vane is set in single area and can move freely；Media filler is in annulus confined space.The utility model provide it is a kind of can bidirectional output rotary damping device, realize that positive and negative both direction rotation exports different damping forces, structure is simple, and when rotation will not generate noise.

Description

Can bidirectional output rotary damping device

Technical field

The utility model relates to damping buffering Hydraulic Velocity control technology field, more particularly to it is a kind of can bidirectional output rotation Turn damping unit.

Background technique

Existing rotary damper structure currently on the market are as follows: shaft is pierced by a sealing toroidal cavity, uniform ring in shaft Around more blades are fixed with, every blade structure on two sides is identical, and more blades are contained in inside toroidal cavity.More blades it Between gap filling grease.It is the same in the damping force value of both direction output when its Double-directional rotary.If you need to positive and negative two side To the occasion of output different damping power, (such as: when cover overturning toilet bowl, piano cover plate structure are flipped up unlatching, exporting lesser resistance Buddhist nun's power makes it be easy overturning；When above structure downwardly turns over closing, larger damping force is exported, decline process is forced to become slow Slowly it then needs to be further added by one-way clutch mechanism) to be used cooperatively, (as used spring clutch, ratchet clutch unilateral bearing etc.) makes entirety Structure is complicated, increased costs；And certain noise can be generated because contacting friction with other structures.

Utility model content

The purpose of this utility model is to provide it is a kind of can bidirectional output rotary damping device, realize positive and negative both direction Rotation exports different damping force, and structure is simple, and when rotation will not generate noise.

Disclosed by the utility model technical solution to be used by the rotary damping device of bidirectional output: one kind can be two-way The rotary damping device of output, including hollow shell, end cap and damping shaft, the end cap is set to one end of the shell, institute It states shell and the end cap forms a confined space, the damping shaft is contained in confined space, and the both ends difference of damping shaft It is stretched out from end cap, it further includes multi-disc partition that the damping shaft both ends, which are in ladder gradually-reducing shape, and diaphragm rings described in multi-disc are around being fixed on resistance Multiple regions are divided into the middle part of Buddhist nun's axis and by annulus confined space, multiple regions pass through the seam between partition and outer casing inner wall Gap connection, has an inclination angle between the partition and the damping shaft；Multiple moving vanes, the moving vane shape Similar to the region shape after segmentation, each moving vane is set in single area and can move freely；Medium is given an account of Matter is filled in annulus confined space；When the axial direction rotation of the damping, the moving vane bear against partition and Outer casing inner wall；When the axial other direction rotation of the damping, the moving vane bears against partition and damping shaft.

Preferably, the partition uniform ring is around being arranged in damping shaft surrounding.

Preferably, the damping shaft and partition are integrally formed.

Preferably, the damping shaft is hollow structure.

Preferably, the damping shaft inner wall section is rounded, and the damping shaft inner wall is along damping shaft extending direction On be uniformly provided with a plurality of groove.

Preferably, the damping shaft inner wall section shape is polygon.

Preferably, the medium is grease.

It is disclosed by the utility model can the beneficial effect of rotary damping device of bidirectional output be: end cap is set to the shell One end, shell and end cap form a confined space, and damping shaft is contained in confined space, and the both ends of damping shaft are respectively from end Lid stretches out, and damping shaft both ends are in ladder gradually-reducing shape, and multi-disc diaphragm rings are around being fixed in the middle part of damping shaft and by annulus confined space point Multiple regions are cut into, multiple regions have one by the gap area between partition and outer casing inner wall between partition and damping shaft Inclination angle；Moving vane shape is similar to the region shape after segmentation, and each moving vane is set in single area and can be free Activity；Media filler is in annulus confined space.When damping axial direction rotation, moving vane bears against partition and outer Shell inner wall, drives moving vane and medium rotation, and moving vane is displaced outwardly in the centrifugal action of medium and damping shaft, lives at this time Gap between movable vane piece and outer casing inner wall becomes smaller, and the channel of flow of media becomes smaller, and corresponding damping force becomes larger；When damping is axial another When one direction rotates, moving vane bears against partition and damping shaft, drives moving vane and medium to reversely rotate, moving vane It is moved inward in the centripetence of medium and damping shaft, the gap between moving vane and outer casing inner wall becomes larger at this time, medium flow field Logical channel becomes larger, and corresponding damping force becomes smaller.To realize that positive and negative both direction rotation exports different damping forces；Structure letter Singly, friction is not contacted with other structures when rotation, therefore will not generate noise.

Detailed description of the invention

Fig. 1 be the utility model can bidirectional output rotary damping device sectional view；

Fig. 2 is the structural schematic diagram that the utility model can rotate inside the rotary damping device of bidirectional output to side.

Fig. 3 is the structural schematic diagram that the utility model can rotate inside the rotary damping device of bidirectional output to the other side.

Specific embodiment

The utility model is further elaborated and is illustrated with Figure of description combined with specific embodiments below: embodiment 1: Please refer to Fig. 1, Fig. 2 and Fig. 3, it is a kind of can bidirectional output rotary damping device, including hollow shell 10, end cap 20, damping shaft 30, multi-disc partition 40, multiple moving vanes 50 and medium.

End cap 20 is set to one end of the shell 10, and shell 10 is fixedly connected with end cap constitutes an annulus confined space.Resistance Buddhist nun's axis 30 is contained in confined space, and the both ends of damping shaft 30 are stretched out from end cap respectively, and 30 both ends of damping shaft are tapered in ladder Shape.Shell 10 and end cap 20 are equipped with boss compatible with 30 hierarchic structure of damping shaft, for damping shaft 30 to be fixed on circle In ring confined space.

In the present embodiment, shell 10 and 20 connecting pin of end cap are additionally provided with seal assembly, to guarantee the close of annulus confined space Feng Xing.

40 uniform ring of multi-disc partition is around being fixed on 30 middle part surrounding of damping shaft.In order to ensure the stability of structure, damping shaft 30 are integrally formed with partition 40.Annulus confined space is divided into multiple regions by multi-disc partition 40, and multiple regions by every Gap area between 10 inner wall of plate 40 and shell.There is an inclination angle between partition 40 and damping shaft 30.

50 shape of moving vane is similar to the region shape after segmentation, and each moving vane 50 is set in single area and can It move freely.

Media filler is in annulus confined space, and in the present embodiment, filled media is grease.

When damping shaft 30 is rotated to a direction, moving vane 50 bears against 10 inner wall of partition 40 and shell.It drives and lives Movable vane piece 50 and medium rotation, moving vane 50 are displaced outwardly in the centrifugal action of medium and damping shaft 30.Moving vane at this time Gap between 50 and 10 inner wall of shell becomes smaller, and the channel of flow of media becomes smaller, and corresponding damping force becomes larger.When damping shaft 30 is to another When one direction rotates, moving vane 50 bears against partition 40 and damping shaft 30.Drive moving vane 50 and medium reversed at this time Rotation, moving vane 50 are moved inward in the centripetence of medium and damping shaft 30.Moving vane 50 and 10 inner wall of shell at this time Between gap become larger, the channel of flow of media becomes larger, and corresponding damping force becomes smaller.

To realize that positive and negative both direction rotation exports different damping forces；Structure is simple, due to rotation when not with other Structure contact friction, therefore noise will not be generated.

Inclination angle design is fixed in order to which moving vane 50 is more preferably easy detent, to complete centrifugal movement or centripetal movement.

When velocity of rotation is very fast, since there are hysteresis qualitys for medium, the biggish damping force of moving vane can be given.Cause its turn Dynamic process becomes slow.Speed gives one reaction time of medium compared with time slack, then will not generate that there are biggish damping forces.

Damping shaft 30 is hollow structure.In order to penetrate external drive shaft.

In the present embodiment, 30 inner wall section of damping shaft is rounded, and 30 inner wall of damping shaft is equal along 30 extending direction of damping shaft It is even to offer a plurality of groove.For fixing outer drive shaft.

Embodiment 2: 30 inner wall section shape of damping shaft is changed to polygon based on the above technical solution, equally The purpose of fixed outer drive shaft may be implemented.

The utility model provide it is a kind of can bidirectional output rotary damping device, end cap is set to one end of the shell, outside Shell and end cap form a confined space, and damping shaft is contained in confined space, and the both ends of damping shaft are stretched out from end cap respectively, resistance Buddhist nun's axis both ends are in ladder gradually-reducing shape, and multi-disc diaphragm rings are around being fixed in the middle part of damping shaft and annulus confined space is divided into multiple areas Domain, multiple regions have an inclination angle by the gap area between partition and outer casing inner wall between partition and damping shaft；Activity Blade shape is similar to the region shape after segmentation, and each moving vane is set in single area and can move freely；Medium is filled out It fills in annulus confined space.When damping axial direction rotation, moving vane bears against partition and outer casing inner wall, drives Moving vane and medium rotation, moving vane is displaced outwardly in the centrifugal action of medium and damping shaft, at this time moving vane and outer Gap between shell inner wall becomes smaller, and the channel of flow of media becomes smaller, and corresponding damping force becomes larger；It is rotated when damping axial other direction When, moving vane bears against partition and damping shaft, drives moving vane and medium to reversely rotate, moving vane is in medium and resistance The centripetence of Buddhist nun's axis moves inward, and the gap between moving vane and outer casing inner wall becomes larger at this time, and the channel of flow of media becomes Greatly, corresponding damping force becomes smaller.To realize that positive and negative both direction rotation exports different damping forces；Structure is simple, when rotation not Friction is contacted with other structures, therefore will not generate noise.

Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this The spirit and scope of utility model technical solution.

Claims (7)

1. one kind can bidirectional output rotary damping device, including hollow shell, end cap and damping shaft, the end cap be set to institute One end of shell is stated, the shell and the end cap form a confined space, and the damping shaft is contained in confined space, and is hindered The both ends of Buddhist nun's axis are stretched out from end cap respectively, and the damping shaft both ends are in ladder gradually-reducing shape, which is characterized in that further include multi-disc every Plate, diaphragm rings described in multi-disc are around being fixed in the middle part of damping shaft and annulus confined space is divided into multiple regions, multiple areas Domain has an inclination angle by the gap area between partition and outer casing inner wall between the partition and the damping shaft；It is multiple Moving vane, the moving vane shape is similar to the region shape after segmentation, and each moving vane is set to single area It is interior and can move freely；Medium, the media filler is in annulus confined space；When the axial direction rotation of the damping, The moving vane bears against partition and outer casing inner wall；When the axial other direction rotation of the damping, the moving vane Bear against partition and damping shaft.

2. as described in claim 1 can bidirectional output rotary damping device, which is characterized in that the partition uniform ring is around row It is distributed in damping shaft surrounding.

3. as described in claim 1 can bidirectional output rotary damping device, which is characterized in that the damping shaft and partition one It is body formed.

4. as described in claim 1 can bidirectional output rotary damping device, which is characterized in that the damping shaft be hollow knot Structure.

5. as claimed in claim 4 can bidirectional output rotary damping device, which is characterized in that the damping shaft inner wall section Rounded, the damping shaft inner wall is uniformly provided with a plurality of groove along damping shaft extending direction.

6. as claimed in claim 4 can bidirectional output rotary damping device, which is characterized in that the damping shaft inner wall section Shape is polygon.

7. as described in claim 1 can bidirectional output rotary damping device, which is characterized in that the medium be grease.