Warehouse door opening/closing mechanism
A technology of opening and closing mechanism and warehouse door, which is applied in the direction of power control mechanism, control mechanism of wing leaf, door/window accessories, etc., can solve the problems of complex structure, high cost, difficult elastic positioning of warehouse door, etc. Effect
Active Publication Date: 2012-05-30
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1
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Problems solved by technology
This kind of mechanism has high cost and complex structure, and it is difficult to realize the elastic positioning of the warehouse door because of the connection between the warehouse door and the warehouse body
Method used
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[0025] like Figure 4 and Figure 5 As shown, the door opening and closing mechanism of this embodiment includes a door body 1 , a door 2 , a main elastic body 3 , an auxiliary elastic body 4 , a positioning rod 5 , a positioning elastic body 6 and a seat body 9 . The bin body 1 is supported on its own turning shaft 11 and can turn around the turning shaft 11 within a certain angle range. The upper part of the bin body 1 has rollers 12 . The warehouse door 2 is provided with the outside of the warehouse body 1, which is supported on its own turning shaft 21 and can be turned around the turning shaft 21 within a certain angle range. The warehouse door 2 has an inner wall 22 facing the warehouse body 1 and an inner wall facing away from the warehouse body. 1, the middle part of the inner wall 22 is provided with a cam surface 221 corresponding to the roller 12, and the roller 12 is pressed on the cam surface 221 and can move along the cam surface 221. The main elastic body 3 i...
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The invention discloses a bin gate opening and closing mechanism, which comprises a bin gate supporting on a trip shaft, a bin body, a main elastic body and an auxiliary elastic body group composed of at least an auxiliary elastic body. The bin gate comprises an inner wall facing to the bin body and an outer wall reversely facing to the bin body; a butting mechanism of the bin body butts against the inner wall of the bin gate; the main elastic body comprises a first main elastic arm and a second main elastic arm which form a included angle; the auxiliary elastic body group comprises a forced elastic arm and a locating elastic arm; the first main elastic arm tightly compresses the outer wall of the bin gate, and the second main elastic arm tightly compresses the forced elastic arm; and thelocating elastic arm tightly compresses a limit stop which is fixedly arranged. During the process of opening the bin gate, because the auxiliary elastic body slows down the torquemoment increment ofthe main elastic body and shares the overturn angle of the bin gate, the compression angle increment of the main elastic body is led to be reduced even if the overturn angle of the bin gate is larger, the dependence on a dynamic source for opening the gate is reduced, and the bin gate can be pushed to turn over without needing power such as a motor, an air cylinder and the like to drive the bin body.
Description
technical field [0001] The invention relates to a door opening and closing mechanism, in particular to a reversible door opening and closing mechanism. Background technique [0002] In the field of medical inspection and analysis, from the perspective of protecting the operator, closed sample injection is a common mode, and the realization of closed sample injection requires the use of a flip mechanism. Existing closed sampling mechanism includes three kinds: rotary type, turnover type and drawer extension type. [0003] The rotary sampling mechanism adopts the integrated structure of the door and the sample chamber, and is driven by a motor to realize the rotation switching between two positions with an angle of 180 degrees, so that the sample chamber has two positions in front of the door and behind the door. [0004] There are two types of overturning sampling mechanism: door and warehouse integrated overturning mechanism and door and warehouse split overturning mechanis...
Claims
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IPC IPC(8): G01N35/10E05F1/10E05F15/12E05F15/611
Inventor 张成陆锋颜彦何晓明
Owner SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD