JPH0256281U - - Google Patents
Info
- Publication number
- JPH0256281U JPH0256281U JP13409788U JP13409788U JPH0256281U JP H0256281 U JPH0256281 U JP H0256281U JP 13409788 U JP13409788 U JP 13409788U JP 13409788 U JP13409788 U JP 13409788U JP H0256281 U JPH0256281 U JP H0256281U
- Authority
- JP
- Japan
- Prior art keywords
- damper mechanism
- cylinder
- ceramic
- mechanism according
- piston
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims 4
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図はこの考案に係るダンパ機構を示す要部
断面図、第２図は従来のダンパ機構を示す断面図
である。
４，５…ヒンジ筒耐、２ａ…雌ネジ部、２…シ
リンダ、３…シヤフト、１ａ…雄ネジ部、１…ピ
ストン、３ａ…スプライン係合用突起。
FIG. 1 is a sectional view of a main part of a damper mechanism according to this invention, and FIG. 2 is a sectional view of a conventional damper mechanism. 4, 5... Hinge cylinder support, 2a... Female threaded portion, 2... Cylinder, 3... Shaft, 1a... Male threaded portion, 1... Piston, 3a... Spline engagement protrusion.
Claims (1)
部を有すると共に油が封入されたシリンダと、他
方のヒンジ筒体側に突設したシヤフトと、前記シ
リンダの雌ネジ部に螺合する雄ネジ部を有すると
共に中心部側に前記シヤフトがスプライン係合す
るピストンとを備え、そのピストンの上下動によ
り発生する油圧力により扉の閉速度を調節・制御
するダンパ機構において、 少なくとも前記ピストン側の雄ネジ部がセラミ
ツクで形成されたことを特徴とするダンパ機構。 ２ シリンダ側の雌ネジ部がセラミツクで形成さ
れた請求項１に記載のダンパ機構。 ３ シリンダ側のスプライン係合用突起がセラミ
ツクで形成された請求項１及び２に記載のダンパ
機構。 ４ ピストン側のスプライン係合用溝がセラミツ
クで形成された請求項１，２及び３に記載のダン
パ機構。[Claims for Utility Model Registration] 1. A cylinder formed on one hinge cylindrical body and having a female screw portion on the inner wall surface and filled with oil, a shaft protruding from the other hinge cylindrical body, and a female cylinder of the cylinder. A damper mechanism that has a male threaded part that is threaded into the threaded part, and a piston that is spline-engaged with the shaft on the center side, and that adjusts and controls the closing speed of the door by the hydraulic pressure generated by the vertical movement of the piston. The damper mechanism according to claim 1, wherein at least the male threaded portion on the piston side is made of ceramic. 2. The damper mechanism according to claim 1, wherein the female threaded portion on the cylinder side is formed of ceramic. 3. The damper mechanism according to claims 1 and 2, wherein the spline engagement protrusion on the cylinder side is formed of ceramic. 4. The damper mechanism according to claims 1, 2 and 3, wherein the spline engagement groove on the piston side is formed of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13409788U JPH0256281U (en) | 1988-10-14 | 1988-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13409788U JPH0256281U (en) | 1988-10-14 | 1988-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0256281U true JPH0256281U (en) | 1990-04-24 |
Family
ID=31392541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13409788U Pending JPH0256281U (en) | 1988-10-14 | 1988-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0256281U (en) |
-
1988
- 1988-10-14 JP JP13409788U patent/JPH0256281U/ja active Pending