CN104088949A - Fluid seal leakage-free damper - Google Patents
Fluid seal leakage-free damper Download PDFInfo
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- CN104088949A CN104088949A CN201410316632.9A CN201410316632A CN104088949A CN 104088949 A CN104088949 A CN 104088949A CN 201410316632 A CN201410316632 A CN 201410316632A CN 104088949 A CN104088949 A CN 104088949A
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- piston rod
- damper
- end cap
- leakproof
- oil
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Abstract
The invention belongs to the technical field of dampers, and particularly discloses a fluid seal leakage-free damper. According to the structure, the fluid seal leakage-free damper comprises a fixed lug plate and a movable lug plate which can be connected with two components respectively, a damping cylinder, a connecting body fixedly connected with the damping cylinder, a left end cover, a right end cover, a piston rod and a piston head, wherein the left end cover and the right end cover are arranged at the two ends of the damping cylinder and provided with piston rod holes, and damping displacement can be achieved through the piston rod. A barrel-shaped anti-leakage end cover filled with damping oil is arranged at the end, located on the side of the movable lug plate, of the damping cylinder. An auxiliary piston hole corresponding to the piston rod hole of the left end cover and allowing the piston rod to move in a reciprocating mode is formed in the cover bottom of the anti-leakage end cover. The fluid seal leakage-free damper has the advantages that the structure is reasonable, the oil leakage phenomenon can be completely avoided, the service life of the damper is effectively prolonged, and the performance of the damper is improved.
Description
Technical field
The invention belongs to damper technique field, relate to concretely a kind of Fluid Sealing without leaking damper.
Background technique
In Construction Anti-earthquake and damping and wind resistance technical field, large multiplex hydraulic damper is realized the object of energy-dissipating and shock-absorbing.Be illustrated in figure 1 the structural representation of the damper using at present, its structure comprise the fixing otic placode 1 being connected with two members respectively with movable otic placode 2, resistance cylinders 3 and the connecting body 4 being fixedly connected with it, be arranged at piston rod 7 and piston head 8 that resistance cylinders two ends have the end cap 5,6 in seal ring piston rod hole 9 and realize damping displacement.When the work of this damper, cylinder body and a closed environment of end cap composition, the inner damping oil of filling, piston rod moves back and forth under cylinder body internal damping oil coated, to realize the damping displacement of two members.
The piston rod that forms above-mentioned damper belongs to machining product, even if adopt fine grinding or abrasive machining, roughness reaches Ra<0.4 μ m, than the molecular level unit of damping oil, piston rod surface uneven still can be taken the damping oil in cylinder body out of cylinder body by its end cap and be volatilized outward in its to-and-fro motion, occurs oil leakage phenomenon, thereby cause the decline of cylinder body internal damping oil level, cause its damping variation.
China Patent No. is that 200820108261.5 and 201120006818.6 utility model patent discloses respectively and has limit stoper " bridge fluid viscous damper " and " can show adjustable viscous damper ".Form the structure of these two kinds of dampers, although there is outer cylinder body, the function of its outer cylinder body is for wrapping up limit stoper outside damper cylinder body, and the decline that can not overcome cylinder body internal damping oil level in prior art causes the problem of its damping variation.
Summary of the invention
Object of the present invention be just to provide a kind of rational in infrastructure, and can overcome completely oil leakage phenomenon occur Fluid Sealing without leak damper.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of Fluid Sealing is without leaking damper, its structure comprise the fixing otic placode (1) that can be connected with two members respectively with movable otic placode (2), resistance cylinders (3) and the connecting body being fixedly connected with it (4), be arranged at left and right end cap (5,6) and the piston rod (7) of realizing damping displacement and piston head (8) that resistance cylinders two ends have seal ring piston rod hole (9); Be provided with the barrel-shaped leakproof end cap (10) that inside is filled with damping oil in the resistance cylinders end of described movable otic placode sidepiece, be provided with attached piston rod hole (11) corresponding with the piston rod hole of described left end cap, described piston rod shift reciprocately at the bottom of the lid of this leakproof end cap.
Forming above-mentioned a kind of Fluid Sealing also comprises without the additional technical feature that leaks damper:
---the top of described leakproof end cap is provided with oil-filled hole;
---described oil-filled hole is sealed by plug, has the air hole with extraneous UNICOM in the middle of plug;
---be fixed with inside at the resistance cylinders end of described connecting body (4) sidepiece and be filled with the second leakproof cavity of damping oil, and be provided with attached piston rod hole corresponding with the piston rod hole of described right end cap, described piston rod shift reciprocately;
---the top of described the second leakproof cavity is provided with oil-filled hole;
---described the second leakproof cavity is by described right end cap and be arranged at the cavity formation that leakproof end cap that described connecting body (4) Zhong center is provided with piston rod hole forms;
---the second described leakproof cavity is by being made up of the second barrel-shaped lid being fixed between resistance cylinders right end cap and connecting body, and its center is provided with the piston rod hole corresponding with described right end cap.
A kind of Fluid Sealing provided by the present invention compared with prior art has the following advantages without leaking damper: one, owing to being provided with inside in the left part of resistance cylinders and can being full of the leakproof end cap of damping oil, therefore while making to form the piston rod shift reciprocately of this damper, by the damping oil by taking out of in resistance cylinders, again by seeing in this leakproof end cap, and effectively overcome damping oil oil level in resistance cylinders and reduced the generation of phenomenon; They are two years old, owing to forming the right part of resistance cylinders and be also provided with inside and can be full of the second leakproof cavity of damping oil, therefore can effectively avoid the damping oil in resistance cylinders to be taken out of by right end cap by piston rod, can further overcome the generation of oil level reduction phenomenon in resistance cylinders; Its three, owing to being provided with oil-filled hole forming on leakproof end cap and the second leakproof cavity, therefore can timing supplement damping oil wherein, further to ensure the damping of damper.
Brief description of the drawings
Fig. 1: prior art Fluid Sealing is without the structural representation that leaks damper
Fig. 2: Fluid Sealing provided by the invention is without the structural representation that leaks damper;
Fig. 3: for one other fluid sealing provided by the invention is without the structural representation that leaks damper.
Embodiment
Below in conjunction with accompanying drawing, Fluid Sealing provided by the present invention is described in further detail without structure and the working principle of leaking damper.
As shown in Figure 2, for Fluid Sealing provided by the present invention is without the structural representation that leaks damper.Form this Fluid Sealing without leak the structure of damper comprise can relatively rotate with two respectively or fixing otic placode 1 that the member of displacement is connected with movable otic placode 2, resistance cylinders 3 and the connecting body 4 being fixedly connected with it, be arranged at piston rod 7 and piston head 8 that resistance cylinders two ends have the left and right end cap 5,6 in piston rod hole 9 and realize damping displacement; Be provided with the barrel-shaped leakproof end cap 10 that inside is filled with damping oil in the resistance cylinders left part of above-mentioned movable otic placode sidepiece, be provided with at the bottom of the lid of this leakproof end cap corresponding with the piston rod hole of left end cap, for the attached piston rod hole 11 with sealing mechanism of piston rod 7 shift reciprocatelies.
Its working principle is: when two members pull open relatively, the movable otic placode being connected with above-mentioned movable part pulls piston rod, by it, by pulling out in resistance cylinders, pull-out is taken out of damping oil reservoir by piston rod and is entered in the barrel-shaped leakproof end cap 10 that inside is filled with damping oil; In the time that two members are relatively close, the movable otic placode being connected with above-mentioned movable part promotes piston rod, it is advanced in resistance cylinders, now on piston rod, damping oil in barrel-shaped leakproof end cap 10 is brought in resistance cylinders, thereby ensured that the damping oil in resistance cylinders can not reduce.
In structure at the above-mentioned a kind of Fluid Sealing of formation without leakage damper,
---in order to prevent that piston rod is also there will be the phenomenon that damping oil is taken out of when the resistance cylinders right end cap 6, the resistance cylinders end of above-mentioned connecting body 4 sidepieces be provided with by right end cap 6 and be arranged at that leakproof end cap 13 that connecting body 4 Zhong centers are provided with the piston rod hole 12 with seal ring forms can be full of the second leakproof cavity that damping oil cavity 14 forms.While being piston rod propelling connecting body, piston rod can be brought the damping oil in resistance cylinders into the second leakproof cavity, and piston rod is while drawing in resistance cylinders by connecting body, piston rod can be brought the damping oil in the second leakproof cavity in resistance cylinders into, thereby can further ensure that the damping oil in damping oil cylinder can not reduce;
---for can be to the damping oil in barrel-shaped leakproof end cap 10 and the second leakproof cavity because moving back and forth of piston rod taken minimizing out of, and make in resistance cylinders oil can not supplement, top at the top of leakproof end cap 10 and the connecting body of formation the second leakproof cavity is provided with oil-filled hole 15, oil-filled hole is sealed by plug, has the air hole 18 with extraneous UNICOM in the middle of plug.The effect of air hole is the Bas Discharged that piston rod is brought into by the external world, makes oil and extraneous UNICOM in oil pocket.。
Be illustrated in figure 3 and be configured to the second Fluid Sealing provided by the present invention without the structural representation that leaks damper.Form Fluid Sealing and formed by the second barrel-shaped lid 16 being fixed between resistance cylinders right end cap 6 and connecting body 4 without the structure of the second leakproof cavity that leaks damper, and its center is provided with the piston rod hole 17 corresponding with described right end cap.Be provided with oil-filled stopple 15 at the top of this second barrel-shaped lid 16.The Fluid Sealing of this structure can be realized while avoiding piston rod to move back and forth equally without leaking damper, the damping oil in the second leakproof cavity can be brought in resistance cylinders, thereby can further be ensured that the damping oil in damping oil cylinder can not reduce.
Claims (7)
1. Fluid Sealing is without leaking a damper, its structure comprise the fixing otic placode (1) that can be connected with two members respectively with movable otic placode (2), resistance cylinders (3) and the connecting body being fixedly connected with it (4), be arranged at left and right end cap (5,6) and the piston rod (7) of realizing damping displacement and piston head (8) that resistance cylinders two ends have piston rod hole (9); It is characterized in that: be provided with inside in the resistance cylinders end of described movable otic placode sidepiece and be filled with the barrel-shaped leakproof end cap (10) of damping oil, be provided with attached piston rod hole (11) corresponding with the piston rod hole of described left end cap, described piston rod shift reciprocately at the bottom of the lid of this leakproof end cap.
2. a kind of Fluid Sealing as claimed in claim 1, without leaking damper, is characterized in that: the top of described leakproof end cap (10) is provided with oil-filled hole.
3. a kind of Fluid Sealing as claimed in claim 2, without leaking damper, is characterized in that: the oil-filled hole at described leakproof end cap top arranges plug, and there is air hole the centre of plug.
4. a kind of Fluid Sealing as claimed in claim 1 is without leaking damper, it is characterized in that: be fixed with inside at the resistance cylinders end of described connecting body (4) sidepiece and be filled with the second leakproof cavity of damping oil, and be provided with attached piston hole corresponding with the piston rod hole of described right end cap, described piston rod shift reciprocately.
5. a kind of Fluid Sealing as claimed in claim 3, without leaking damper, is characterized in that: the top of described the second leakproof cavity is provided with oil-filled hole.
6. a kind of Fluid Sealing as claimed in claim 3, without leaking damper, is characterized in that: the second described leakproof cavity is by described right end cap and be arranged at the cavity formation that leakage-proof cover body that described connecting body (4) Zhong center is provided with piston rod hole forms.
7. a kind of Fluid Sealing as claimed in claim 3 is without leaking damper, it is characterized in that: the second described leakproof cavity is by the second described leakproof cavity by being made up of the second barrel-shaped lid being fixed between resistance cylinders right end cap and connecting body, and its center is provided with the piston rod hole corresponding with described right end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316632.9A CN104088949B (en) | 2014-07-06 | 2014-07-06 | A kind of Fluid Sealing No leakage damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316632.9A CN104088949B (en) | 2014-07-06 | 2014-07-06 | A kind of Fluid Sealing No leakage damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104088949A true CN104088949A (en) | 2014-10-08 |
| CN104088949B CN104088949B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410316632.9A Active CN104088949B (en) | 2014-07-06 | 2014-07-06 | A kind of Fluid Sealing No leakage damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458032A (en) * | 2018-03-29 | 2018-08-28 | 青岛理工大学 | built-in enhanced variable damping viscous damping device |
| CN110303737A (en) * | 2019-06-28 | 2019-10-08 | 徐州仁和液压科技有限公司 | A kind of fluid damping acoustic damping materials and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57208334A (en) * | 1981-06-15 | 1982-12-21 | Secoh Giken Inc | Lenear delay device having regulating mechanism utilizing magnet coupling |
| JPH1194001A (en) * | 1997-09-24 | 1999-04-09 | Bridgestone Corp | Damper device |
| CN2740835Y (en) * | 2004-07-02 | 2005-11-16 | 北京工业大学 | Viscosity damping buffer |
| CN2771563Y (en) * | 2005-01-25 | 2006-04-12 | 杨铭 | Leakage-free hydraulic damper |
| CN202194988U (en) * | 2011-08-03 | 2012-04-18 | 成都驹涛网络科技有限公司 | Leak-proof shock absorber |
| CN203948549U (en) * | 2014-07-06 | 2014-11-19 | 衡水宝力工程橡胶有限公司 | Fluid Sealing is without leaking damper |
-
2014
- 2014-07-06 CN CN201410316632.9A patent/CN104088949B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57208334A (en) * | 1981-06-15 | 1982-12-21 | Secoh Giken Inc | Lenear delay device having regulating mechanism utilizing magnet coupling |
| JPH1194001A (en) * | 1997-09-24 | 1999-04-09 | Bridgestone Corp | Damper device |
| CN2740835Y (en) * | 2004-07-02 | 2005-11-16 | 北京工业大学 | Viscosity damping buffer |
| CN2771563Y (en) * | 2005-01-25 | 2006-04-12 | 杨铭 | Leakage-free hydraulic damper |
| CN202194988U (en) * | 2011-08-03 | 2012-04-18 | 成都驹涛网络科技有限公司 | Leak-proof shock absorber |
| CN203948549U (en) * | 2014-07-06 | 2014-11-19 | 衡水宝力工程橡胶有限公司 | Fluid Sealing is without leaking damper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458032A (en) * | 2018-03-29 | 2018-08-28 | 青岛理工大学 | built-in enhanced variable damping viscous damping device |
| CN110303737A (en) * | 2019-06-28 | 2019-10-08 | 徐州仁和液压科技有限公司 | A kind of fluid damping acoustic damping materials and preparation method thereof |
| CN110303737B (en) * | 2019-06-28 | 2021-05-11 | 艾华(浙江)新材料有限公司 | Liquid damping noise reduction material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104088949B (en) | 2016-04-06 |
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Address after: The 053000 Northern Industrial Base Development Zone of Hengshui City, Hebei Province Rubber Road No. 13 Patentee after: Hebei Baoli engineering equipment Limited by Share Ltd Address before: 053000 Hengshui, Hebei Peach City, Heping West Road, No. 396 Patentee before: Hengshui Baoli Engineering Rubber Co., Ltd. |