43results about How to "Close labor saving" patented technology

The invention relates to an electric drive device for a side hung door of a shower room. A motor is used as a power source, a screw rod and helical teeth are adopted for two-level speed change, the structure is simple, the appearance is compact, operation is convenient, drive force is increased, drive is more reliable, a torsion protector is arranged, the problem that the drive device is damaged due to the facts that in power failures, the door is separated from or reunited with the motor, and the door is pushed and pulled by a user unconsciously in operation of the device is solved, and the service life of the drive device is prolonged. According to the electric drive device for the side hung door of the shower room, the hinge side hung door is opened through the electric device, and the side hung door of the shower room can be more effortlessly, conveniently and rapidly opened and closed.

The invention provides a control console shield plate structure and a train control console with the control console shield plate structure. The control console shield plate structure comprises a turnover shield plate body, a left fixing panel and a right fixing panel. The left fixing panel and the right fixing panel are arranged at the two ends of a table board of the control console respectively; one end of the turnover shield plate body is in sliding connection with the left fixing panel body, and the other end of the turnover shield plate body is in sliding connection with the right fixingpanel so that the turnover shield plate body can slide in the forward and backward directions of the control console to open or close the table board of the control console. Therefore, much labor issaved when the turnover shield plate body is opened or closed, and the problem in the prior art that it is difficult to open a movable cover plate of a train control console is solved.

A damper opening and closing angle varying mechanism of a hinge comprises a blocking element, a connection element and a lever element which are in hinge fit with one another. A damper is arranged between the blocking element and the connection element. One end of the damper is rotationally arranged on the blocking element, and the other end of the damper abuts against the connection element. The connection element, the lever element and the damper are linked with one other relative to the blocking element when the hinge is opened or closed. When the hinge is closed by at least one certain angle, the lever element acts on the damper and drives the damper to slide on the connection element in a limited mode, the damper is compressed and generates damping force, and thus, damped closing of the hinge is achieved. Through the structure improvement, the damper opening and closing angle varying mechanism of the hinge has the characteristics that the structure is simple and reasonable, safety and reliability are achieved, production and implementation are easy, adjustment is fast, operation is convenient, the service life is long, practicability is high, and the opening and closing process is labor-saving, smooth, small in collision and low in noise.

The invention relates to the technical field of door control springs, and discloses a door control spring. The door control spring comprises a shell, wherein the surface of the shell is movably connected with a connecting piece, a toothed plate is fixedly connected to the interior of the shell, the surface of the toothed plate is movably connected with an expansion and contraction wheel, the side, away from the toothed plate, of the expansion and contraction wheel is movably connected with an extrusion plate, the side, away from the expansion and contraction wheel, of the extrusion plate is movably connected with a compression spring, and a spring rod is movably connected to the interior of the expansion and contraction wheel. When the expansion and contraction wheel, the spring rod and the spring rod are not in contact, the spring rod loses limiting force and extends, at the moment, the friction force between teeth and the toothed plate and the extrusion plate is large, and the closing speed of a door body tends to be stable; and the elastic force of the compression spring is larger than the elastic force of the spring rod, the friction force between the teeth and the toothed plate and the extrusion plate is gradually reduced in the contraction process of the expansion and contraction wheel, so that the door body is opened in a more labor-saving mode, and the effects of being light in door opening force and more stable in door closing speed are achieved.

The invention relates to an engine compartment cover of a vehicle and the vehicle. The engine compartment cover of the vehicle comprises a left cover, a right cover and an intermediate beam mounted ona vehicle body; the intermediate beam is located between the left cover and the right cover; the right end of the left cover is hinged to the intermediate beam; and the left end of the right cover ishinged to the intermediate beam. The engine compartment cover of the vehicle adopts the split structure, and the cover is changed to be overturned from two sides to the middle, so that the force armlength during overturning of the cover is shortened, and the cover is more effort-saving to open and close.

The invention discloses a flat plate transport vehicle with vertical flip opening type box covers. According to the key points of the technical scheme, the flat plate transport vehicle comprises a vehicle head, wheels and a supporting plate. The supporting plate is used for fixed storing of cargos and rotatably connected with the wheels. The vehicle head is used for providing power to drive the supporting plate to move. A cargo box is fixedly connected to the supporting plate and comprises a box body and box covers; an opening is formed in the top face of the box body, and the box covers are vertically and rotationally connected with the edges of the top face of the box body; and after the box covers are rotated, the opening of the box body can be opened or closed, and the multiple box covers are arranged side by side and rotationally connected with the box body on the same side. In the transport process, the box body can prevent the situation that the cargos move in the horizontal direction and fall off from the supporting plate; in the process that the cargos are loaded into the box body, binding fixing operation to the cargos is not needed, so that labor saving is achieved; andafter the box covers are closed, the box covers can seal the cargos inside the box body, so that the cargos are blocked to fall out of the box body.

The invention discloses a vehicle overturning step ladder platform, which comprises an upper pedal, a lower pedal, limiting rod combinations arranged in pairs, air springs, connecting rods and storagelocking devices, wherein one corners of the two ends of the upper pedal are hinged to the upper ends of straight rods on the two sides of a vehicle side cabin frame respectively, and one corners of the two ends of the lower pedal are hinged to the lower ends of straight rods on the two sides of the vehicle side cabin frame respectively; one ends of the air springs are hinged to the middle parts of the two ends of the upper pedal, and the other ends are respectively hinged with the other corners of the two ends of the lower pedal; one ends of the limiting rods are hinged to the middle parts ofthe two ends of the upper pedal, and the other ends are respectively hinged with the middle parts of the two ends of the lower pedal; one ends of the connecting rods are hinged to one corners, away from the hinging seat, of the two ends of the upper pedal, and the other ends are respectively hinged with the middle parts of the two ends of the lower pedal; and the storage locking devices are arranged at the positions, away from the hinging rod, of the two sides of the vehicle side cabin frame and the two ends of the lower pedal. The vehicle overturning step ladder platform is compact in structure and labor-saving and convenient to use, expands the application range and improves the operation efficiency.