Back board releasing device controllable in obstetric sickbed speed

Abstract

A back board releasing device controllable in obstetric sickbed speed comprises a back board, a frame, damp rods, an electric push rod, lower air springs, upper air springs, an upper sliding groove and a lower sliding groove. A pair of connecting plates perpendicular to the back board is arranged in the middle of the lower surface of one end of the middle, close to the frame, of the back board, and the end provided with the connecting plates, of the back board is further connected with the frame through a rotary shaft. The back board releasing device is characterized in that the connecting plates are hinged to the front end of the electric push rod through connecting structures, the rear end of the electric push rod is hinged to the frame, the lower air springs and the upper air springs are hinged to one side face of the connecting plates, a sliding structure is hinged to the other end of each lower air spring and the other end of each upper air spring respectively, and the sliding structures are matched with plug plates fixedly arranged on the frame in a paired mode. The damp rods are hinged to the other side face of each connecting plate, and the other end of each damp rod is in hinged connection with the frame. The back board releasing device can control the back board releasing speed in a set range and meanwhile has strong load change resistance capability.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a speed-controllable backboard release device for an obstetric bed. Background technique [0002] At present, the backboards of the obstetric and sickness integrated beds on the market all have the function of CPR, that is, the backboard on which the patient lies can be quickly leveled, and the patient can be given emergency cardiopulmonary resuscitation. However, this quick release occurs when the patient is already lying on the bed, so too fast a speed will cause a serious impact and cause unnecessary harm to the patient, especially the puerpera. Therefore, the speed control of the rapid release of the backboard has also become an important research project of the CPR function. [0003] The current mainstream solution for speed control is to do rotation damping in the electric push rod that drives the movement of the back plate, so as to control the descending speed of...

AI Technical Summary

Problems solved by technology

However, because the electric push rod used needs to be imported from abroad, the order cycle is long and the price is high, which brings a lot of inconvenience to the manufacturer.

[0004] At present, there is also an electric push rod with a quick release function on the market. Since this electric push rod only relies on the friction between the screw nut to prevent the movement of the push rod when the quick release is opened, it cannot be well controlled. The falling speed of the backplane, and when the load on the backplane is increased, it will cause the backplane to fall faster

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