Muscle-type automatic door closer
An automatic door closing, arm force type technology, applied in the direction of wing leaf closers, door/window accessories, wing leaf openers, etc., can solve the problems of loud noise, damage to the door leaf, frequent door opening and closing, etc.
Inactive Publication Date: 2009-12-16
郑志伟
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Problems solved by technology
It is very inconvenient to push the door by hand when closing the door
Especially in public places, the door is frequently opened and closed, and the door is often closed but not closed, which brings a lot of inconvenience to people's life and work.
In order to realize automatic door closing, a spring can also be hung on the door leaf, but in this way, the door leaf is not only damaged but also unsightly, and the noise generated when closing the door is relatively large
Method used
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Embodiment Construction
[0010] As shown in the figure, the present invention includes a locator 3 installed on the door frame 2 and a force seat 9 installed on the door leaf 1; a horizontally rotating rotating shaft 5 is installed on the locating device 3, and a horizontal rod 6 is connected to the rotating shaft 5 , the other end of the horizontal bar 6 is provided with a drum 4, the drum 4 is set on the shaft of the force seat 9, two extension springs are hung on the shaft 5, the extension spring 8 is tightened on the locator, and the extension spring 7 is pulled Tight on the horizontal bar 6. When the door is opened, the two springs are stretched, and the door is automatically closed when the springs return to their original shape.
[0011] The present invention determines the installation position of the locator 3 on the door frame 2 according to the structure of the door and the specifications of the arm type automatic door closer.
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The invention discloses a muscle-type automatic door closer, comprising a positioner arranged on a door frame and a stressed seat arranged on a door leaf. A rotary shaft horizontally rotating is arranged on the positioner, the rotary shaft is connected with a level rod, and the other end of the level rod is provided with a rotary drum; the rotary drum is inserted into a shaft of the stressed seat; two springs are hung on the rotary shaft, wherein, one spring is strained on the positioner, and the other spring is strained on the level rod. The invention realizes the goal of automatically closing the door. The mounting position of the stressed seat is far away from the level position of the door shaft, which makes the movable moment bigger when closing the door, and thus, the door closer of the invention can also be used for bigger doors.
Description
technical field [0001] The present invention relates to doors for houses. Background technique [0002] Existing house door all is made up of door frame, door leaf and door. When closing the door, it is very inconvenient to rely on people to push the door by hand. Especially in public places, the opening and closing of the door is frequent, and the situation that the door should be closed but not closed often occurs, which brings a lot of inconvenience to people's life and work. In order to realize automatic door closing, a spring can also be hung on the door leaf, but in this way, not only the door leaf is damaged but also unsightly, and the noise generated when closing the door is relatively large. Door closers on the market are various at present, each has advantages and disadvantages, and the automatic door closer of the present invention is different in structure from existing door closers on the market. Contents of the invention [0003] The purpose of the present...
Claims
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IPC IPC(8): E05F1/10
Inventor 郑志伟
Owner 郑志伟