A damping device includes a casing structure, a retarding mechanism, a driving mechanism, a restoring mechanism and a resistance mechanism. An accommodating space is formed in the casing structure to accommodate the retarding mechanism, and a through hole and a hollow-out hole are formed at wall sur
A damping device includes a casing structure, a retarding mechanism, a driving mechanism, a restoring mechanism and a resistance mechanism. An accommodating space is formed in the casing structure to accommodate the retarding mechanism, and a through hole and a hollow-out hole are formed at wall surfaces of two opposite sides of the accommodating space respectively. The retarding mechanism has a main shaft passed through out of the through hole, and a retarding shaft acting simultaneously with the main shaft. The driving mechanism has a wire wheel fastened on the main shaft. The restoring mechanism has a restoring wheel fastened on the wire wheel. The resistance mechanism has a metal element fastened on the retarding shaft, and a magnetic part is disposed between the metal element and the hollow-out hole, and an interval is formed between the magnetic part and the metal element.
대표청구항▼
1. A damping device, comprising a casing structure, a retarding mechanism, a driving mechanism, a restoring mechanism and a resistance mechanism, said casing structure provided with an accommodating space formed inside, and said accommodating space provided with a through hole and a hollow-out hole
1. A damping device, comprising a casing structure, a retarding mechanism, a driving mechanism, a restoring mechanism and a resistance mechanism, said casing structure provided with an accommodating space formed inside, and said accommodating space provided with a through hole and a hollow-out hole formed at walls of two opposite sides thereof and corresponding to each other;said retarding mechanism located within said accommodating space, and provided with a main shaft disposed at a side thereof and passed through said through hole, and a retarding shaft disposed at other side thereof and located within said accommodating space and acting simultaneously with said main shaft;said driving mechanism located outside of said casing structure, and provided with a wire wheel fastened on said main shaft, and a pulling wire wound at a periphery of said wire wheel and configured to be pulled by a user;said restoring mechanism located near said driving mechanism, and provided with a restoring wheel disposed at a side thereof and fastened with said wire wheel and a channel passed other side therethrough, and said main shaft inserted into said channel; andsaid resistance mechanism provided with a metal element fastened at said retarding shaft, and a magnetic part disposed between said metal element and said hollow-out hole, and an interval formed between said magnetic part and said metal element, and an adjusting member inserted into said hollow-out hole from outside of said casing structure and pivotally linked with said magnetic part. 2. The damping device as defined in claim 1, wherein said casing structure has a base, and said base is provided with said accommodating space formed therein, an opening is formed at one side of said accommodating space, said through hole is formed on a central area of a wall surface of other side opposite to said opening, and said through hole is provided with a sleeved groove protrudingly disposed at a periphery surface thereof toward said accommodating space, and a cover is mounted on said opening and provided with said hollow-out hole at a central area thereof and corresponding to said through hole. 3. The damping device as defined in claim 2, wherein said base is provided with a covering structure mounted on the outside of said through hole, and said covering structure is provided with an accommodating groove concavely formed at a side thereof for accommodating said driving mechanism and said restoring mechanism, and said accommodating groove is provided with an outlet hole at a wall surface of a side thereof to enable said pulling wire to be passed therethrough. 4. The damping device as defined in claim 2, wherein said cover is provided with an annular positioning member protrudingly disposed at a surface of a periphery of said hollow-out hole, and said annular positioning member is provided with a plurality of positioning slots at a top thereof, and said magnetic part of said resistance mechanism comprises a load plate which is provided with a plurality of positioning pillars protrudingly disposed at a side surface thereof and inserted into the plurality of positioning slots and provided with load holes passed through said side surface thereof and disposed along a side edge thereof, and magnets are assembled within said load holes respectively. 5. The damping device as defined in claim 4, wherein said load plate is provided with an inner threaded hole at a central area thereof, and said adjusting member is an adjusting bolt which is provided with an outer screw thread disposed at a side thereof and revolved relatively to said inner threaded hole to adjust an interval between said load plate and said metal element, and said adjusting bolt is provided with a head portion disposed at other side thereof and clamped against an outer surface of said hollow-out hole of said cover. 6. The damping device as defined in claim 5, wherein said annular positioning member of said cover is provided with one or more bearing mounted at an inner side thereof and sleeved onto said adjusting bolt. 7. The damping device as defined in claim 1, wherein said wire wheel of said driving mechanism is provided with a first axis hole at a central area thereof for said main shaft to be passed and fastened through said first axis hole, and said metal element is provided with a second axis hole at a central area thereof for said retarding shaft to be passed and fastened through said second axis hole. 8. The damping device according to claim 7, wherein said wire wheel is provided with a clamping groove concavely formed at a side surface of a central area thereof and an outer diameter of said clamping groove is larger than an outer diameter of said first axis hole, and said restoring wheel of said restoring mechanism is provided with a ring-like protrudent block protrudingly disposed at a periphery of a top thereof and clamped and fastened in said clamping groove. 9. The damping device according to claim 7, wherein said wire wheel is provided with a wire slot formed at a periphery thereof for said pulling wire to be rolled and accommodated, and an end of said pulling wire is fastened in said wire slot and said pulling wire is provided with a pulling handle at other end thereof. 10. The damping device as defined in claim 2, wherein said base of said casing structure is provided with said sleeved groove formed therein for said retarding mechanism to be clamped and positioned, and said base and said cover can be assembled to form said accommodating space therein to accommodate said retarding mechanism and said resistance mechanism. 11. The damping device as defined in claim 10, wherein said casing structure is provided with a plurality of positioning pillars around disposed at an inner surface of said accommodating space of said cover, and said magnetic part of said resistance mechanism comprises a load plate which is provided with a plurality of positioning slots disposed around a periphery of said load plate, and said positioning pillars inserted into said positioning slots, and said load plate is provided with a plurality of load holes passed through a surface thereof and disposed along a side edge thereof, and magnets are assembled within said load holes respectively. 12. The damping device as defined in claim 10, wherein said base is provided with a covering structure mounted outside of said through hole, and said covering structure is provided with an accommodating groove concavely formed in a side thereof for accommodating said driving mechanism and said restoring mechanism, and said accommodating groove is provided with an outlet hole at a wall surface of a side thereof for said pulling wire to pass therethrough, said accommodating groove of said covering structure is provided with a groove portion at a bottom thereof, said bearing is disposed in said groove portion and sleeved on an end of said main shaft, and said driving mechanism is located between said base and said covering structure, and said restoring mechanism is fastened at a bottom of the covering structure.
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이 특허에 인용된 특허 (9)
Janson Gunnar H. (Dudley MA), Adjustable tensioner.
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