CN207111820U - Viscous damper - Google Patents
Viscous damper Download PDFInfo
- Publication number
- CN207111820U CN207111820U CN201720915394.2U CN201720915394U CN207111820U CN 207111820 U CN207111820 U CN 207111820U CN 201720915394 U CN201720915394 U CN 201720915394U CN 207111820 U CN207111820 U CN 207111820U
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- CN
- China
- Prior art keywords
- cylinder body
- end cap
- earrings
- piston rod
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fluid-Damping Devices (AREA)
Abstract
It the utility model is related to antivibration area, disclose a kind of viscous damper, including viscous damping liquid, cylinder body, the piston of the piston rod and set stretched into cylinder body on the piston rod, the both ends of cylinder body are equipped with end cap, two end caps form damping chamber with cylinder body, viscous damping liquid is full of in damping cavity room, the outside at damping chamber both ends is respectively equipped with the dead ring of fixed end cap, piston rod one end is connected with the first earrings through end cap and dead ring, the piston rod other end is stretched into connecting cylinder through end cap and dead ring, one end of connecting cylinder is stretched into cylinder body and is fixed on by locking nut on cylinder body, the other end of connecting cylinder is connected through a screw thread block and is connected with the second earrings.The utility model viscous damper enhances the sealing effectiveness of damper, prevents viscous damping liquid from revealing, improves effectiveness in vibration suppression, and by setting sheath, while damping is increased, prevents the first earrings from being interfered with cylinder body.
Description
Technical field
It the utility model is related to antivibration area, and in particular to a kind of viscous damper.
Background technology
Viscous damper, equivalent to the piston cylinder that working media is emplastic, has small rigidity, high consumption for structure
The characteristics of energy, it is widely used in the fields such as machinery, building, its damping mechanism is the viscosity property and hole contracting effect for utilizing damping fluid
The portion of energy being transmitted to by structure is converted into thermal energy consumption during compression or flow at high speed to dissipate, reaches slow
The outer impact carried of solution, reduce structural vibration, the purpose of protection structure safety, but existing viscous damper sealing effectiveness is bad,
Easily wear and reveal, and connector easily interferes with damper, influences effectiveness in vibration suppression.
The content of the invention
Deficiency of the purpose of this utility model aiming at above-mentioned technology, there is provided a kind of viscous damper, can provide bigger
Damping, and good damping result, good seal performance avoid connector from being interfered with damper.
To achieve the above object, the viscous damper designed by the utility model includes viscous damping liquid, cylinder body, stretches into institute
The piston rod in cylinder body and the piston being enclosed on the piston rod are stated, one end of the cylinder body is provided with the first end cap, the cylinder body
The other end is provided with the second end cap, and second end cap is located at the cylinder interior, first end cap, second end cap and institute
State cylinder body and form damping chamber, the viscous damping liquid is full of in the damping cavity room, the piston divides the damping chamber
The first damping chamber and the second damping chamber are divided into, the outside at the damping chamber both ends is respectively equipped with fixed first end cap
The first dead ring and fixed second end cap the second dead ring, described piston rod one end passes through first end cap and institute
State the first dead ring and be connected with the first earrings, the piston rod other end stretches into connection through second end cap and the second dead ring
In cylinder, one end of the connecting cylinder is stretched into the cylinder body and is fixed on by locking nut on the cylinder body, the connecting cylinder
The other end be connected through a screw thread block and be connected with the second earrings.
Preferably, position of the piston rod between first earrings and first dead ring is cased with sheath,
The second back-up ring is lined between the sheath and first dead ring, the sheath is fixed by screws in first dead ring
On, the sheath other end is fixed on the junction of the piston rod and first earrings by clip.
Preferably, hole is provided with first earrings and second earrings, centripetal joint is equipped with the hole
Bearing, the first back-up ring is lined between the plain radial bearing and the hole.
The utility model compared with prior art, has advantages below：
1st, the sealing effectiveness of damper is enhanced by the first end cap, the first dead ring, the second end cap and the second dead ring,
Prevent viscous damping liquid from revealing, improve effectiveness in vibration suppression；
2nd, by setting sheath, while damping is increased, prevent the first earrings from being interfered with cylinder body.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model viscous damper.
Each part numbers are as follows in figure：
Viscous damping liquid 1, cylinder body 2, piston rod 3, piston 4, the first end cap 5, the second end cap 6, damping chamber 7, first hinder
Buddhist nun's chamber 7a, the second damping chamber 7b, the first dead ring 8, the second dead ring 9, the first earrings 10, connecting cylinder 11, locking nut
12nd, block 13, the second earrings 14, sheath 15, the second back-up ring 16, screw 17, clip 18, hole 19, plain radial bearing are threadedly coupled
20th, the first back-up ring 21.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model viscous damper, including viscous damping liquid 1, cylinder body 2, the work stretched into cylinder body 2
Stopper rod 3 and the piston 4 being enclosed on piston rod 3,2 one end of cylinder body are provided with the first end cap 5, and the other end of cylinder body 2 is provided with the second end cap
6, the second end cap 6 is located inside cylinder body 2, and the first end cap 5, the second end cap 6 and cylinder body 2 form damping chamber 7, damp in chamber 7
Full of viscous damping liquid 1, piston 4 will damp chamber 7 and be divided into the damping chamber 7b of the first damping chamber 7a and second, damp chamber
The outside at 7 both ends is respectively equipped with the first dead ring 8 for fixing the first end cap 5 and the second dead ring 9 for fixing the second end cap 6, living
The one end of stopper rod 3 is connected with the first earrings 10 through the first end cap 5 and the first dead ring 8, and the other end of piston rod 3 passes through the second end cap 6
Stretched into the second dead ring 9 in connecting cylinder 11, one end of connecting cylinder 11 is stretched into cylinder body 2 and is fixed on cylinder by locking nut 12
On body 2, the other end of connecting cylinder 11 is connected through a screw thread block 13 and is connected with the second earrings 14.
In addition, position of the piston rod 3 between the first earrings 10 and the first dead ring 8 is cased with sheath 15, sheath 15 with
The second back-up ring 16 is lined between first dead ring 8, sheath 15 is fixed on the first dead ring 8 by screw 17, and sheath 15 is another
End is fixed on the junction of the earrings 10 of piston rod 3 and first by clip 18.
Meanwhile first is provided with hole 19 on earrings 10 and the second earrings 14, and plain radial bearing 20 is equipped with hole 19,
The first back-up ring 21 is lined between plain radial bearing 20 and hole 19.
During utility model works, piston rod 3 promotes piston 4 to be moved back and forth in cylinder body 2, and viscous damping liquid 1 passes through work
Gap between plug 4 and the inwall of cylinder body 2 is flowed between the first damping chamber 7a and the second damping chamber 7b, due to viscous damping
The viscosity of liquid 1 is big, produces great viscous damping force in flowing, the direction of damping force with the direction of motion of piston rod 3 on the contrary, from
And make it that vibrational energy is quickly converted to heat energy and discharged, and reaches the purpose of passive energy dissipation；In addition, sheath 15 also plays increase
The effect of damping force, and prevent the first earrings 10 from being interfered with cylinder body 2.
The utility model viscous damper enhances the sealing effectiveness of damper, prevents viscous damping liquid from revealing, improves
Effectiveness in vibration suppression, and by setting sheath 15, while damping is increased, prevent the first earrings 10 from being interfered with cylinder body 2.
Claims (3)
1. a kind of viscous damper, including viscous damping liquid (1), cylinder body (2), the piston rod (3) stretched into the cylinder body (2) and
The piston (4) being enclosed on the piston rod (3), it is characterised in that：One end of the cylinder body (2) is provided with the first end cap (5), described
Cylinder body (2) other end is provided with the second end cap (6), and second end cap (6) is located at the cylinder body (2) inside, first end cap
(5), second end cap (6) forms damping chamber (7) with the cylinder body (2), and the damping chamber (7) is interior full of described viscous
The damping chamber (7) is divided into the first damping chamber (7a) and the second damping chamber by damping fluid (1), the piston (4)
(7b), the outside at described damping chamber (7) both ends are respectively equipped with the first dead ring (8) of fixation first end cap (5) and consolidated
The second dead ring (9) of fixed second end cap (6), described piston rod (3) one end is through first end cap (5) and described the
One dead ring (8) is connected with the first earrings (10), and piston rod (3) other end fastens through second end cap (6) and second
Ring (9) is stretched into connecting cylinder (11), and one end of the connecting cylinder (11) is stretched into the cylinder body (2) and by locking nut (12)
It is fixed on the cylinder body (2), the other end of the connecting cylinder (11) is connected through a screw thread block (13) and is connected with the second earrings (14).
2. viscous damper according to claim 1, it is characterised in that：The piston rod (3) is located at first earrings
(10) position between first dead ring (8) is cased with sheath (15), the sheath (15) and first dead ring (8)
Between be lined with the second back-up ring (16), the sheath (15) is fixed on first dead ring (8) by screw (17), the shield
Set (15) other end is fixed on the junction of the piston rod (3) and first earrings (10) by clip (18).
3. viscous damper according to claim 1, it is characterised in that：First earrings (10) and second earrings
(14) hole (19) is provided with, plain radial bearing (20), the plain radial bearing (20) are equipped with the hole (19)
The first back-up ring (21) is lined between the hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915394.2U CN207111820U (en) | 2017-07-26 | 2017-07-26 | Viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915394.2U CN207111820U (en) | 2017-07-26 | 2017-07-26 | Viscous damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111820U true CN207111820U (en) | 2018-03-16 |
Family
ID=61573762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720915394.2U Expired - Fee Related CN207111820U (en) | 2017-07-26 | 2017-07-26 | Viscous damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111820U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058363A (en) * | 2018-09-12 | 2018-12-21 | 苏州涵轩信息科技有限公司 | A kind of dust collecting apparatus vibration absorber |
| CN109404468A (en) * | 2018-11-21 | 2019-03-01 | 云南震安减震科技股份有限公司 | Viscous fluid damper with fatigue resistance |
| CN109630589A (en) * | 2018-11-07 | 2019-04-16 | 株洲时代新材料科技股份有限公司 | Clearance viscous damper |
| CN111457051A (en) * | 2020-04-29 | 2020-07-28 | 合肥工业大学 | Stack piston type electrorheological fluid shock absorber |
| CN111963604A (en) * | 2020-08-20 | 2020-11-20 | 南京丹枫机械科技有限公司 | Adjustable viscous damper |
| CN113638305A (en) * | 2021-08-16 | 2021-11-12 | 福建九鼎建设集团有限公司 | Lead extrusion composite rotary vane type viscous damper and application method thereof |
-
2017
- 2017-07-26 CN CN201720915394.2U patent/CN207111820U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058363A (en) * | 2018-09-12 | 2018-12-21 | 苏州涵轩信息科技有限公司 | A kind of dust collecting apparatus vibration absorber |
| CN109058363B (en) * | 2018-09-12 | 2024-04-12 | 苏州涵轩信息科技有限公司 | Vibration damper for dust collecting equipment |
| CN109630589A (en) * | 2018-11-07 | 2019-04-16 | 株洲时代新材料科技股份有限公司 | Clearance viscous damper |
| CN109404468A (en) * | 2018-11-21 | 2019-03-01 | 云南震安减震科技股份有限公司 | Viscous fluid damper with fatigue resistance |
| CN109404468B (en) * | 2018-11-21 | 2024-02-02 | 震安科技股份有限公司 | Viscous fluid damper with fatigue resistance |
| CN111457051A (en) * | 2020-04-29 | 2020-07-28 | 合肥工业大学 | Stack piston type electrorheological fluid shock absorber |
| CN111963604A (en) * | 2020-08-20 | 2020-11-20 | 南京丹枫机械科技有限公司 | Adjustable viscous damper |
| CN113638305A (en) * | 2021-08-16 | 2021-11-12 | 福建九鼎建设集团有限公司 | Lead extrusion composite rotary vane type viscous damper and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |