CN206468735U - Piston screw shape passage viscous damper - Google Patents
Piston screw shape passage viscous damper Download PDFInfo
- Publication number
- CN206468735U CN206468735U CN201720061646.XU CN201720061646U CN206468735U CN 206468735 U CN206468735 U CN 206468735U CN 201720061646 U CN201720061646 U CN 201720061646U CN 206468735 U CN206468735 U CN 206468735U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston
- viscous damper
- master cylinder
- screw shape
- 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 belongs to amping device technical field, a kind of piston screw shape passage viscous damper is provided, including master cylinder cylinder, secondary cylinder barrel and secondary cylinder connector, the master cylinder cylinder is connected with the secondary cylinder barrel by the secondary cylinder connector, piston rod is provided with the master cylinder cylinder, piston is provided between the piston rod and master cylinder cylinder, the master cylinder tube inner chamber is divided into the first resisting medium chamber and the second resisting medium chamber by the piston, damp channel is provided with the piston, the damp channel is spiral ladder type passage, the two ends of the damp channel are provided with damping hole between the piston both sides respectively.The utility model is reasonable in design, with low cost, while increasing damp channel slenderness ratio, improves the product performance of viscous damper.
Description
Technical field
The utility model belongs to building structure shake control engineering device technique field, and in particular to a kind of piston screw shape passage
Viscous damper.
Background technology
Viscous damper is a kind of and rigidity and velocity-dependent damper, and in coming earthquake, viscous damper can
Absorb to greatest extent and consume impact energy of the earthquake to building structure, alleviate that earthquake causes to building structure significantly rushes
Hit and destroy, be widely used in the neck such as skyscraper, bridge, building structure aseismatic transformation, industrial pipeline equipment antivibration, military project
Domain, for viscous damper, the thin product performance to viscous damper of length of damp channel plays conclusive effect, passes
The viscous damper of system is in order to increase slenderness ratio often by the way of the diminution of damp channel diameter and piston are lengthened, this place
Reason method improves production cost, it is also desirable to the corresponding size for changing viscous damper.
Patent spiral-hole type viscous damper (notification number is CN101555922B), discloses a kind of for engineering structure control
The energy-consuming shock absorber of system.The damper include cylinder barrel, guide rod, clamp nut, thermometal guide bushing, without axial lash piston,
Damper bar, resisting medium, multi-sealed measure and the attachment means at damper two ends.The device passes through with spiral channel
Damper bar and piston coordinate the length of increase damp channel, further increase the slenderness ratio of damp channel, but by damper bar
It is arranged in damp channel, between damper bar diameter and length, the slenderness ratio that it increases damp channel is limited, and improves life
Cost is produced, the complexity in production process is also add.
Therefore it is badly in need of one kind reasonable in design, it is with low cost, while increasing the viscous damper of damp channel slenderness ratio.
Utility model content
The utility model provides following technical scheme：
A kind of piston screw shape passage viscous damper, including master cylinder cylinder, secondary cylinder barrel and secondary cylinder connector, the master cylinder cylinder
It is connected with the secondary cylinder barrel by the secondary cylinder connector, piston rod, the piston rod and the master is provided with the master cylinder cylinder
Piston is provided between cylinder barrel, the master cylinder tube inner chamber is divided into the first resisting medium chamber and the second resisting medium chamber by the piston,
Be provided with damp channel in the piston, the damp channel is spiral ladder type passage, the two ends of the damp channel respectively with institute
State and damping hole is provided between piston both sides.
It is preferred that, the piston and the master cylinder cylinder between be provided with some seals, the seal make the piston with
The close connection of master cylinder cylinder.
It is preferred that, the length of the first resisting medium chamber and the second resisting medium chamber described in when producing the utility model
It is identical.
It is preferred that, it is provided with guide sleeve, the guide sleeve and institute close to one end of the secondary cylinder connector in the master cylinder cylinder
Secondary cylinder connector connection is stated, the guide sleeve makes the piston rod keep stable axial movement.
It is preferred that, one end of the piston rod passes sequentially through the first resisting medium chamber, the piston, second resistance
Buddhist nun's dielectric cavity, the guide sleeve and the secondary cylinder connector are connected with the secondary cylinder barrel, and the structure ensure that the piston rod pair
When the first resisting medium chamber and the extruding of the resisting medium of the second resisting medium intracavitary, there are enough displacement spaces, prevent
Shock during only the piston rod is moved axially, extends service life of the present utility model, and the other end of the piston rod leads to
Cross the outside that the left end cap extends to the master cylinder cylinder.
It is preferred that, the other end of the master cylinder cylinder is provided with left end cap, and the secondary cylinder barrel is away from the secondary cylinder connector
One end is provided with right end cap, and the left end cap is sealed with the right end cap to the utility model, strengthens of the present utility model close
Feng Xing, prevents the seepage of resisting medium.
It is preferred that, the right end cap is provided with earrings connector, and the earrings connector facilitates workman to the utility model
Installation.
The beneficial effects of the utility model are：Low production cost, spiral is arranged to directly in piston by damping passband
Build passage, extends the length of damp channel, adds the slenderness ratio of viscous damper；Service life is long；It is right compared to tradition
The improvement of damp channel, the utility model production technology is simpler, without the need for the planform for changing viscous damper.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model,
Fig. 2 is piston schematic diagram of the present utility model,
Fig. 3 is the sectional view of the line A-A along along Fig. 2,
Mark in figure for：1st, master cylinder cylinder；11st, the first resisting medium chamber；12nd, the second resisting medium chamber；2nd, secondary cylinder barrel；
21st, secondary cylinder connector；3rd, piston rod；4th, piston；41st, seal；42nd, damp channel；43rd, damping hole；5th, guide sleeve；6th, left end
Lid；7th, right end cap；8th, earrings connector.
Embodiment
As shown in Figure 1-Figure 3, a kind of piston screw shape passage viscous damper, including master cylinder cylinder 1, secondary cylinder barrel 2 and secondary cylinder
Connector 21, master cylinder cylinder 1 is connected with secondary cylinder barrel 2 by secondary cylinder connector 21, is provided with piston rod 3 in master cylinder cylinder 1, piston rod 3 and
Piston 4 is provided between master cylinder cylinder 1,1 inner chamber of master cylinder cylinder is divided into the first resisting medium chamber 11 and the second resisting medium chamber by piston 4
12, be provided with damp channel 42 in piston 4, damp channel 42 is spiral ladder type passage, the two ends of damp channel 42 respectively with piston 4
Damping hole 43 is provided between both sides.
As shown in Figure 1-Figure 3, a kind of piston screw shape passage viscous damper, including master cylinder cylinder 1, secondary cylinder barrel 2 and secondary cylinder
Connector 21, master cylinder cylinder 1 is connected with secondary cylinder barrel 2 by secondary cylinder connector 21, is provided with piston rod 3 in master cylinder cylinder 1, piston rod 3 and
Piston 4 is provided between master cylinder tin 1, some seals 41 are provided between piston 4 and master cylinder cylinder 1, piston 4 divides 1 inner chamber of master cylinder cylinder
For the first resisting medium chamber 11 and the second resisting medium chamber 12, the first resisting medium chamber 11 and second when producing the utility model
The length of resisting medium chamber 12 is identical, and damp channel 42 is provided with piston 4, and damp channel 42 is spiral ladder type passage, and damping is logical
The two ends in road 42 are provided with damping hole 43 between the both sides of piston 4 respectively.
As shown in Figure 1-Figure 3, further, one end in master cylinder cylinder 1 close to secondary cylinder connector 21 is provided with guide sleeve 5, leads
It is connected to set 5 with secondary cylinder connector 21, one end of piston rod 3 passes sequentially through the first resisting medium chamber 11, piston 4, second and damped
Dielectric cavity 12, guide sleeve 5 and secondary cylinder connector 21 are connected with secondary cylinder barrel 2.
As shown in Figure 1-Figure 3, a kind of piston screw shape passage viscous damper, including master cylinder cylinder 1, secondary cylinder barrel 2 and secondary cylinder
Connector 21, master cylinder cylinder 1 is connected with secondary cylinder barrel 2 by secondary cylinder connector 21, and the other end of master cylinder cylinder 1 is provided with left end cap 6, secondary cylinder
The one end of cylinder 2 away from secondary cylinder connector 21, which is provided with right end cap 7, master cylinder cylinder 1, is provided with piston rod 3, piston rod 3 and master cylinder cylinder 1
Between be provided with piston 4, piston 4 by master cylinder cylinder 1 inner chamber be divided into the first resisting medium chamber 11 and the second resisting medium chamber 12, piston 4
Interior to be provided with damp channel 42, damp channel 42 is spiral ladder type passage, and the two ends of damp channel 42 are respectively between the both sides of piston 4
Provided with damping hole 43.
As shown in Figure 1-Figure 3, right end cap 7 is provided with earrings connector 8.
As shown in Figure 1-Figure 3, a kind of piston screw shape passage viscous damper, when by ambient pressure, piston rod 3 leads to
Cross piston 4 to be subjected to displacement, now pass through damping hole in the resisting medium of the first resisting medium chamber 11 or the second resisting medium chamber 12
43, compared with traditional viscous damper, now resisting medium is needed by the longer cocke-stair shape damp channel 42 of distance, can
Offset more external force.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, although with reference to before
State embodiment the utility model is described in detail, for those skilled in the art, it still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic.It is all this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of piston screw shape passage viscous damper, including master cylinder cylinder, secondary cylinder barrel and secondary cylinder connector, the master cylinder cylinder with
The secondary cylinder barrel is connected by the secondary cylinder connector, and piston rod, the piston rod and the master cylinder are provided with the master cylinder cylinder
Piston is provided between cylinder, the master cylinder tube inner chamber is divided into the first resisting medium chamber and the second resisting medium chamber by the piston, its
It is characterised by, damp channel is provided with the piston, and the damp channel is piston screw ladder type passage, the damp channel
Two ends are provided with damping hole between the piston both sides respectively.
2. piston screw shape passage viscous damper according to claim 1, it is characterised in that the piston and the master
Some seals are provided between cylinder barrel.
3. piston screw shape passage viscous damper according to claim 1, it is characterised in that first resisting medium
Chamber is identical with the length of the second resisting medium chamber.
4. piston screw shape passage viscous damper according to claim 1, it is characterised in that close in the master cylinder cylinder
One end of the secondary cylinder connector is provided with guide sleeve.
5. piston screw shape passage viscous damper according to claim 4, it is characterised in that the guide sleeve with it is described
Secondary cylinder connector connection.
6. piston screw shape passage viscous damper according to claim 4, it is characterised in that one end of the piston rod
The first resisting medium chamber, the piston, the second resisting medium chamber, the guide sleeve and the secondary cylinder is passed sequentially through to connect
Fitting is connected with the secondary cylinder barrel.
7. piston screw shape passage viscous damper according to claim 1, it is characterised in that the master cylinder cylinder it is another
End is provided with left end cap, and the one end of the secondary cylinder barrel away from the secondary cylinder connector is provided with right end cap.
8. piston screw shape passage viscous damper according to claim 7, it is characterised in that the right end cap is provided with
Earrings connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061646.XU CN206468735U (en) | 2017-01-18 | 2017-01-18 | Piston screw shape passage viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061646.XU CN206468735U (en) | 2017-01-18 | 2017-01-18 | Piston screw shape passage viscous damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468735U true CN206468735U (en) | 2017-09-05 |
Family
ID=59706622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720061646.XU Active CN206468735U (en) | 2017-01-18 | 2017-01-18 | Piston screw shape passage viscous damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468735U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138206A (en) * | 2018-09-27 | 2019-01-04 | 江苏力汇振控科技有限公司 | A kind of screw type frcition damper |
| CN109707780A (en) * | 2019-01-10 | 2019-05-03 | 江苏大学 | A kind of anti-impact damper having speed Decoupling Characteristics |
| CN109899617A (en) * | 2019-03-21 | 2019-06-18 | 西安联飞智能装备研究院有限责任公司 | A kind of hydraulic damper and hydraulic damping device assembly |
| CN110671460A (en) * | 2019-09-24 | 2020-01-10 | 南京大德减震科技有限公司 | Shear type viscous damper |
| CN114110071A (en) * | 2021-10-11 | 2022-03-01 | 江苏鼎吉能源工程技术有限公司 | Viscous fluid damper with variable damping coefficient stages |
| CN114934968A (en) * | 2022-03-23 | 2022-08-23 | 武汉鑫拓力工程技术有限公司 | Low-index viscous damper |
-
2017
- 2017-01-18 CN CN201720061646.XU patent/CN206468735U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138206A (en) * | 2018-09-27 | 2019-01-04 | 江苏力汇振控科技有限公司 | A kind of screw type frcition damper |
| CN109707780A (en) * | 2019-01-10 | 2019-05-03 | 江苏大学 | A kind of anti-impact damper having speed Decoupling Characteristics |
| CN109707780B (en) * | 2019-01-10 | 2020-11-20 | 江苏大学 | Anti-impact damper with speed decoupling characteristic |
| CN109899617A (en) * | 2019-03-21 | 2019-06-18 | 西安联飞智能装备研究院有限责任公司 | A kind of hydraulic damper and hydraulic damping device assembly |
| CN110671460A (en) * | 2019-09-24 | 2020-01-10 | 南京大德减震科技有限公司 | Shear type viscous damper |
| CN114110071A (en) * | 2021-10-11 | 2022-03-01 | 江苏鼎吉能源工程技术有限公司 | Viscous fluid damper with variable damping coefficient stages |
| CN114934968A (en) * | 2022-03-23 | 2022-08-23 | 武汉鑫拓力工程技术有限公司 | Low-index viscous damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206468735U (en) | Piston screw shape passage viscous damper | |
| CN203926577U (en) | Magnetorheological fluid shock absorber | |
| CN206257376U (en) | Scalable hydraulic oil pipe | |
| US20240052905A1 (en) | Shock absorber for automobile with adaptive damping | |
| CN105114513B (en) | Speed and displacement dual-lock pressure-limiting type viscous damper | |
| CN104534012B (en) | The MR damper that working clearance is variable and parameter optimization method thereof | |
| CN107795625A (en) | A kind of fluid pressure type damping buffer | |
| CN104791325B (en) | Anti-supercharging multi-stage oil cylinder | |
| CN204437164U (en) | The MR damper that working clearance is variable | |
| CN208885852U (en) | A kind of single valve piece inner wall throttle type Bidirectional damping mechanism and hydraulic shock-absorption piston | |
| CN206072196U (en) | The pulling force gas spring that a kind of power output is steady, force variation is little | |
| CN105952834B (en) | A kind of shearing valve type magneto-rheological damper and its parameter optimization method | |
| CN209026093U (en) | A kind of dust collecting apparatus vibration absorber | |
| CN104452576B (en) | Speed displacement two lock adjustable type viscous damper | |
| CN205277970U (en) | Stable form pneumatic cylinder structure | |
| CN204282198U (en) | Speed displacement twin-lock adjustable type viscous damper | |
| CN204239586U (en) | A kind of built-in vent plug inflatable motorcycle vibration damper | |
| CN207864505U (en) | A kind of two-way damping-adjustable shock-absorber for four-wheel all-terrain vehicle | |
| CN108105198A (en) | A kind of single-action hydraulic cylinder | |
| CN207569137U (en) | A kind of novel rod-type viscous damper | |
| CN103088934B (en) | The external adjustable type viscous damper of a kind of pressure limiting | |
| CN109058363B (en) | Vibration damper for dust collecting equipment | |
| CN211423246U (en) | Labyrinth type hybrid magnetorheological damper | |
| CN205078545U (en) | Bounce cylinder | |
| CN215720450U (en) | Telescopic multistage viscous fluid damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |