Rotary oil damper
A technology of oil damper and damper, which is applied to switches with braking devices, door/window accessories, buildings, etc., and can solve problems such as oil leakage, incomplete opening/closing, and difficulty in opening/closing
Inactive Publication Date: 2005-07-13
SE WON PRECISION
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AI Technical Summary
Problems solved by technology
In the damping force application part, the same damping force is always generated, which makes opening / closing of the cover relatively difficult
Also, the cover cannot be fully opened / closed
[0017] In the above damper, the components are assembled to the damper after injecting oil, causing oil leakage during assembly
Therefore, the assembly process of the damper is complicated
Method used
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Embodiment Construction
[0054] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings.
[0055] A rotary type oil damper according to the present invention will now be described in detail with reference to the accompanying drawings.
[0056] figure 1 shows a perspective view of a rotary type oil damper according to the present invention, figure 2 with 3 shows an exploded perspective view of a rotary type oil damper according to the present invention, Figure 4 with 5 shows a vertical sectional view of a rotary type oil damper according to the present invention, and Image 6 means along Figure 4 Cross-sectional view of line IV-IV.
[0057] The rotary type oil damper includes a damper main body 10 having a space filled with oil mounted on a fixed body, a rotating shaft 12 rotatably mounted in the damper main body 10 and mounted on a rotating body, And a damping force control unit installed in the damper...
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The invention discloses a rotary oil damper, which comprises: a damper main body having a chamber filled with oil and one end open; a rotating shaft rotatably fitted into the damper main body; a rotating shaft inserted into the damper main body The first partition plate, a pair of valve holes and a pair of arc-shaped oil passages through which the oil passes are formed on the first partition plate, and the oil passages formed on both sides of the first partition plate are connected An arc-shaped groove whose depth gradually decreases; a second partition plate installed on the top surface of the first partition plate forms a partition between the first partition plate and the second partition plate an oil passage; a check valve installed inside the damper body for opening / closing the pair of valve holes; and a cap installed on the damper body for sealing. This rotary type oil damper generates different damping forces in various stages when opening / closing the damper body.
Description
technical field [0001] The present invention relates to a rotary type oil damper, and more particularly, to a rotary type oil damper which allows a user to easily open / close a rotary body by providing different damping forces at respective rotary parts of a rotary body. Background technique [0002] Generally, a rotary type damper is used to prevent a cover, cover or door of a rotating body such as a piano or a Kimchi refrigerator from closing rapidly by controlling a closing force during opening / closing of the cover, cover or door. [0003] Commonly used rotary dampers are classified into elastic member type rotary dampers using elastic members such as springs and rotary type oil dampers using viscous fluid to apply damping force. [0004] As disclosed in Korean Patent Application Publication No. 88-14508, an elastic member type rotary damper includes a housing, a shaft rotatably inserted into the housing with one end protruding, and an elastic member installed between the ...
Claims
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IPC IPC(8): E05F5/02
Inventor 梁世一
Owner SE WON PRECISION