CN206221561U - A kind of viscous damper - Google Patents
A kind of viscous damper Download PDFInfo
- Publication number
- CN206221561U CN206221561U CN201621243952.7U CN201621243952U CN206221561U CN 206221561 U CN206221561 U CN 206221561U CN 201621243952 U CN201621243952 U CN 201621243952U CN 206221561 U CN206221561 U CN 206221561U
- Authority
- CN
- China
- Prior art keywords
- fairlead
- cylinder
- master cylinder
- piston
- clamp nut
- 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.)
- Active
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a kind of viscous damper, including master cylinder cylinder, the piston rod that can be moved reciprocatingly is axially penetrated through in the inner chamber of master cylinder cylinder, upper cover of piston rod has piston, and damper bar is housed on piston, and damping hole is provided with damper bar, viscous liquid is full of in the inner chamber of master cylinder cylinder, the inner chamber two ends of master cylinder cylinder are provided with fairlead, viscous liquid is sealed between piston and fairlead, it is characterized in that：Array O-ring is equipped with fairlead outer ring, O-ring makes fairlead keep sealing state with master cylinder cylinder；Fairlead inner ring is sealed equipped with axle oil, axle oil envelope makes fairlead be connected with piston rod packing, offered on fairlead axially through steam vent, steam vent is sealed by the way that oil is stifled, fairlead outside is provided with clamp nut, clamp nut is directed to set and is pressed abd fixed in master cylinder cylinder, and clamp nut is sealedly and fixedly connected with master cylinder cylinder.The utility model has the advantages that good sealing effect, high precision.
Description
Technical field
The utility model belongs to the technical field of viscous damper, and in particular to a kind of good airproof performance, high precision it is viscous
Damper.
Background technology
At present, general viscous damper is by cylinder barrel, piston rod, fairlead, damper bar, seal and viscous liquid etc.
Composition.Building is tied during coming earthquake to be resisted by the damping force that the damping hole on damper bar is produced using viscous liquid
The impulsive force that structure is produced.Therefore, property of the immediate constraint such as accuracy of manufacture and sealing means of damper core component to damper
Energy.
Utility model content
Technical problem to be solved in the utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of sealing effectiveness
The good, viscous damper of high precision.
To realize above-mentioned technical purpose, the technical scheme that the utility model is taken is：
A kind of viscous damper, including master cylinder cylinder, the piston that can be moved reciprocatingly is axially penetrated through in the inner chamber of master cylinder cylinder
Bar, upper cover of piston rod has piston, and damper bar is housed on piston, damping hole is provided with damper bar, full of viscous in the inner chamber of master cylinder cylinder
Stagnant liquid, the inner chamber two ends of master cylinder cylinder are provided with fairlead, viscous liquid is sealed between piston and fairlead, its feature
It is：Array O-ring is equipped with fairlead outer ring, O-ring makes fairlead keep sealing state with master cylinder cylinder；Fairlead inner ring is filled
There is axle oil to seal, axle oil envelope fairlead is connected with piston rod packing, offered on fairlead axially through steam vent, arrange
Stomata is sealed by the way that oil is stifled, and fairlead outside is provided with clamp nut, and clamp nut is directed to set and is pressed abd fixed on master cylinder
In cylinder, clamp nut is sealedly and fixedly connected with master cylinder cylinder.
It is optimization above-mentioned technical proposal, the concrete measure taken also includes：
The damping hole size opened up on above-mentioned damper bar is 3.0（+0.02/+0.04）Mm, surface roughness is 0.4 μ
m。
Four groups of NBR O-rings are equipped with above-mentioned resistance fairlead outer ring.
The inner chamber two ends of above-mentioned resistance master cylinder cylinder are provided with screwed hole, and clamp nut screws cooperation by with the screwed hole
Realization is sealedly and fixedly connected with master cylinder cylinder.
The inner ring of above-mentioned resistance clamp nut is provided with nut oil sealing, and nut oil sealing makes clamp nut connect with piston rod packing
Connect.
The stifled place of above-mentioned oil resistance is additionally provided with the screw plug for further increasing the stifled sealing of oil.
The utility model, using spark cutting technology, makes damping small for the core part damper bar of viscous damper
Hole Assurance of Size is to 3.0（+0.02/+0.04）Mm, surface roughness reaches 0.4um, so can completely exclude foozle etc.
The influence that extraneous factor is produced to damper performance.
Fairlead outer ring uses four groups of NBR O-ring seals, eliminates the gap between fairlead and cylinder barrel contact site, makes
Viscous liquid is sealed；Fairlead inner ring is equipped with axle polytetrafluoroethyloil oil seals, when can prevent piston rod movement viscous liquid with
Piston rod overflows cylinder barrel；Meanwhile, two steam vents on fairlead（Can emptying when damper assembling process injects viscous liquid
Air in cylinder barrel）Sealed using the oil of bonded washer, O-ring form is stifled, and reinforced with screw plug, prevented high pressure shape
Viscous liquid is oozed out under state.
Cylinder barrel two ends use screw thread well format, are directed to set using two special clamp nuts and are fixed in cylinder barrel, enter one
Step strengthens the sealing of high pressure conditions bottombearing damper internal viscosity liquid；This Standard is simple simultaneously, and it is firm to fasten.
Compared with prior art, the utility model has the advantage of：
High accuracy, the viscous liquid damper of high leakproofness can be realized；
The cylinder barrel of screw thread well format, assembling is simple, and fastening is reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is close-up schematic view of the present utility model.
Reference therein is：Master cylinder cylinder 1, fairlead 2, O-ring 3, viscous liquid 4, damper bar 5, piston 6, piston
Bar 7, oil stifled 8, clamp nut 9, nut oil sealing 10, axle oil envelope 11, screw plug 12.
Specific embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
A kind of viscous damper, including master cylinder cylinder 1, the work that can be moved reciprocatingly is axially penetrated through in the inner chamber of master cylinder cylinder 1
Stopper rod 7, is cased with piston 6 on piston rod 7, damper bar 5 is housed on piston 6, and damping hole, the inner chamber of master cylinder cylinder 1 are provided with damper bar 5
In be full of viscous liquid 4, master cylinder cylinder 1 inner chamber two ends be provided with fairlead 2, viscous liquid 4 is sealed in piston 6 and fairlead
Between 2, it is characterized in that：Array O-ring 3 is equipped with the outer ring of fairlead 2, O-ring 3 makes fairlead 2 keep sealing with master cylinder cylinder 1
State；Equipped with axle oil envelope 11, axle oil envelope 11 makes fairlead 2 be tightly connected with piston rod 7 to the inner ring of fairlead 2, on fairlead 2
Offer axially through steam vent, steam vent sealed by oil stifled 8, and the outside of fairlead 2 is provided with clamp nut 9, presses
Tight nut 9 is directed to set 2 and is pressed abd fixed in master cylinder cylinder 1, and clamp nut 9 is sealedly and fixedly connected with master cylinder cylinder 1.
In embodiment, the damping hole size opened up on damper bar 5 is 3.0（+0.02/+0.04）Mm, surface roughness is
0.4μm。
In embodiment, to hinder and be equipped with four groups of NBR O-rings on the outer ring of fairlead 2.
In embodiment, the inner chamber two ends of resistance master cylinder cylinder 1 are provided with screwed hole, and clamp nut 9 revolves by with the screwed hole
Tight fit realization is sealedly and fixedly connected with master cylinder cylinder 1.
In embodiment, the inner ring for hindering clamp nut 9 is provided with nut oil sealing 10, and nut oil sealing 10 makes clamp nut 9 and lives
Stopper rod 7 is tightly connected.
In embodiment, the screw plug 12 for further increasing stifled 8 sealings of oil is additionally provided with oil resistance stifled 8.
The viscous damper of high accuracy of the present utility model, special seal mode, piston rod 7 coordinates with piston 6, can be in master
Moved back and forth in cylinder barrel 1；2 damper bars 5 are housed on piston 6, damping hole is provided with damper bar, damping hole passes through spark cutting
Technology, size can ensure to 3.0（+0.02/+0.04）Mm, surface roughness reaches high-precision requirement up to 0.4 μm；Piston 6
Both sides are full of viscous liquid, viscous liquid is sealed in the cavity of the both sides of piston 6 by the fairlead 2 at two ends；Outside fairlead 2
4 groups of NBR O-rings 3 are equipped with circle, fairlead 2 is kept sealing state with master cylinder cylinder 1；The inner ring of fairlead 2 uses poly- equipped with axle
Tetrafluoroethene oil sealing 10, prevents viscous liquid from being overflowed outside cylinder barrel by piston rod；Steam vent is provided with fairlead 2, using combination
Packing ring, the oil stifled 8 of O-ring form are sealed, and reinforced with screw plug, and viscous liquid is oozed out under preventing high pressure conditions；Dress
The clamp nut 9 and the screwed hole at 1 two ends of master cylinder cylinder for having axle polytetrafluoroethyloil oil seals 10 coordinate, and are directed to set 8 and are fastened to cylinder
On body 1, being fully sealed for damper is realized.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that right
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
Should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of viscous damper, including master cylinder cylinder (1), having been axially penetrated through in the inner chamber of described master cylinder cylinder (1) can do reciprocal
The piston rod (7) of motion, is cased with piston (6) on piston rod (7), damper bar (5), damper bar (5) are housed on described piston (6)
On be provided with damping hole, be full of viscous liquid (4) in the inner chamber of described master cylinder cylinder (1), the inner chamber two ends of master cylinder cylinder (1) are provided with
Fairlead (2), makes viscous liquid (4) be sealed between piston (6) and fairlead (2), it is characterized in that：Described fairlead (2)
Array O-ring (3) is equipped with outer ring, described O-ring (3) makes fairlead (2) keep sealing state with master cylinder cylinder (1)；Institute
Fairlead (2) inner ring stated makes fairlead (2) close with piston rod (7) equipped with axle oil envelope (11), described axle oil envelope (11)
Envelope connection, offered on described fairlead (2) axially through steam vent, described steam vent is carried out close by oil stifled (8)
Envelope, described fairlead (2) outside is provided with clamp nut (9), and described clamp nut (9) is directed to set (2) and is fixed
In master cylinder cylinder (1), described clamp nut (9) is sealedly and fixedly connected with master cylinder cylinder (1).
2. a kind of viscous damper according to claim 1, it is characterized in that：The damping opened up on described damper bar (5)
Hole size is 3.0（+0.02/+0.04）Mm, surface roughness is 0.4 μm.
3. a kind of viscous damper according to claim 2, it is characterized in that：It is equipped with described fairlead (2) outer ring
Four groups of NBR O-rings.
4. a kind of viscous damper according to claim 3, it is characterized in that：The inner chamber two ends of described master cylinder cylinder (1) are equal
Screwed hole is provided with, described clamp nut (9) is realized being fixed with the sealing of master cylinder cylinder (1) by screwing to coordinate with the screwed hole
Connection.
5. a kind of viscous damper according to claim 4, it is characterized in that：The inner ring of described clamp nut (9) is set
There is nut oil sealing (10), described nut oil sealing (10) makes clamp nut (9) be tightly connected with piston rod (7).
6. a kind of viscous damper according to claim 5, it is characterized in that：Stifled (8) place of described oil be additionally provided with for
Further increase the screw plug (12) of stifled (8) sealing of oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243952.7U CN206221561U (en) | 2016-11-21 | 2016-11-21 | A kind of viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243952.7U CN206221561U (en) | 2016-11-21 | 2016-11-21 | A kind of viscous damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221561U true CN206221561U (en) | 2017-06-06 |
Family
ID=58790006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243952.7U Active CN206221561U (en) | 2016-11-21 | 2016-11-21 | A kind of viscous damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825702A (en) * | 2018-05-10 | 2018-11-16 | 南通蓝科减震科技有限公司 | A kind of adjustable novel viscous damper of damped coefficient |
-
2016
- 2016-11-21 CN CN201621243952.7U patent/CN206221561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825702A (en) * | 2018-05-10 | 2018-11-16 | 南通蓝科减震科技有限公司 | A kind of adjustable novel viscous damper of damped coefficient |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206221561U (en) | A kind of viscous damper | |
| CN207569132U (en) | A kind of pressure self-balancing fluid linking damper | |
| CN109869371A (en) | A kind of two-action single-rod hydraulic cylinder | |
| CN206943116U (en) | A kind of waterproof hydraulic cylinder | |
| CN203500174U (en) | Air cylinder with end cover sealing structure | |
| CN204900389U (en) | Mounting structure of pneumatic cylinder cylinder bottom | |
| CN204942533U (en) | A kind of oil hydraulic cylinder cylinder head sealing configuration | |
| CN204284461U (en) | Be applied to the back suction type high-speed breaking fluid control valve on hot melt adhesive glue rifle | |
| CN212338160U (en) | Dustproof structure for hydraulic cylinder | |
| CN207393626U (en) | Propelling hydraulic cylinder | |
| CN204573305U (en) | A kind of valve rod leak-proof structure of New Type of Cryogenic Ball Valve | |
| CN204188350U (en) | A kind of air-leakage test structure of valve body composition | |
| CN208907371U (en) | A kind of high pressure, in be pressed into steam pipe sealing structure and its sealing device | |
| CN204900388U (en) | Pneumatic cylinder cylinder end | |
| CN206694203U (en) | Grouting pump and its grouting cylinder | |
| CN204985141U (en) | Slim sealed hydro -cylinder structure | |
| CN204573307U (en) | A kind of butterfly buffer valve damping hydraulic cylinder side valve axle stuffing seal | |
| CN204175702U (en) | The accurate location sealing device of a kind of exploratory drilling rig feeding | |
| CN204784949U (en) | Be applied to gland of gate valve | |
| CN202867908U (en) | Dual-purpose ultrathin ball valve | |
| CN205207063U (en) | High viscosity is plunger case for electronic paste | |
| CN207131788U (en) | The damper with viscosity of multi-sealed antiseep | |
| CN207145367U (en) | A kind of extra-high tension unit double containment cylinder cover component | |
| CN207005436U (en) | A kind of valve body sealing structure | |
| CN205277978U (en) | Swing arm bucket -turning oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |