47results about How to "Easy to operate by hand" patented technology

The invention relates to a switchgear, especially an automatic cut-out and / or a fault-current circuit breaker, said switchgear comprising a switch lever (1) for manually closing and / or opening switch contacts, and a release device for automatically separating the switch contacts, the switch lever (1) comprising an actuating extension (2). According to the invention, in order to prolong the service life of the switchgear, especially of the switch lever, a separate handle part (3) is arranged on the actuating extension (2).

The invention relates to a fixing support of a mechanical jack of an automobile. The fixing support of the mechanical jack of the automobile is characterized by comprising a tension brace (21), a first supporting body (28) and a second supporting body (29), wherein the first supporting body (28) and the second supporting body (29) are symmetrically arranged at two ends of the tension brace (21). Limiting baffles (23) are respectively symmetrically arranged on the front sides and the rear sides of both a first supporting body supporting surface (22) of the first supporting body (28) and a second supporting body supporting surface (26) of the second supporting body (29). The fixing support of the jack further comprises a limiting rod and an adjusting device, one end of the limiting rod is fixed with a rear side vertical plate (27) of the tension brace (21) after penetrating through a jack recession (14), and the other end of the limiting rod and the adjusting device are matched with each other to jointly abut against the jack in a Z direction so as to perform fixing. The fixing support of the mechanical jack of the automobile is simple in structure and low in cost, enables the jack to be free of vibration during the vehicle driving process, reduces damage to other parts of an automobile body caused by the jack, and can reduce noise in the automobile.

The present invention provides a magnetic adsorption type mobile bracket, comprising a main support plate and auxiliary support plates located on both horizontal sides of the main support plate, at least one auxiliary support plate on each side, and the auxiliary support plates on both sides are connected to the The main support plate is rotatably connected, and magnetic structures are provided on the same side of the main support plate and the secondary support plates on both sides. The mobile bracket of the present invention can be adsorbed and fixed on circular steel materials with different diameters by adjusting the angle between the main support plate and the auxiliary support plate, or can be adsorbed and fixed on a magnetically friendly plane by being unfolded into a plane, and can be widely used in monitoring The conditions of the construction site in the fields of photography, lighting, transportation, mechanical structure, etc., the bracket is adsorbed and fixed on the most convenient position of the most convenient magnetic material on the job site, and can be quickly disassembled; in addition, the mobile bracket of the present invention has a simple structure , Light weight, easy to carry.

The invention discloses a computer display screen facilitating office work. The screen comprises a main body, a display screen body and a whole bottom fixing supporting base, supporting arms are arranged at the left and right sides of the bottom of the main body, and the lower ends of the two supporting arms are rotatably connected to the whole bottom fixing supporting base through rotation connection shafts; the display screen body is arranged on the front surface of the main body, loudspeaker boxes are arranged on the left and right sides, on the main body, of the display screen body, and afingerprint collection module and a display screen switch are arranged on the left portion of the lower side of the display screen body separately; an air outlet is formed in the middle of the lower side of the display screen body, a wind direction adjustment plate is arranged in an opening of the air outlet, and multiple air inlets are formed in the lower portion of the reverse surface of the main body; the air outlet and the air inlets are both communicated with a fan cavity in the main body, and a fan is arranged in the fan cavity. The computer display screen facilitating office work is diverse in function, convenient to use and adjust and high in safety and further has the ventilation and cooling functions for the human body, and the display screen is conveniently applied and popularized.

The invention relates to a split-type steel ladle pin jumper wire. The split-type steel ladle pin jumper wire comprises an optical fiber cable, an optical fiber base pin and a connector, wherein the connector comprises a first connecting part and a second connecting part; the first connecting part is arranged on the optical fiber base pin in a sleeving manner; the second connecting part is arranged on the optical fiber cable in the sleeving manner; an annular groove is concavely formed in the inner circumference of the first connecting part; a convex ring matched with the annular groove is arranged at one end, close to the first connecting part, of the second connecting part; a protective jacket is arranged on the outer circumference of the connector in the sleeving manner; a propping block in fastened fit with the protective jacket is arranged at one end, away from the optical fiber base pin, of the protective jacket; a handheld part is arranged on the outer circumference of the protective jacket. The split-type steel ladle pin jumper wire disclosed by the invention has the advantages that the structure is simple and reasonable, water resistance can be realized, materials are saved, and direct manual operation is facilitated.

The present invention provides a dynamic cell culture device and a cell culture system. The dynamic cell culture device includes a rectangular parallelepiped housing, and the inside of the housing is provided with multi-layer culture chambers distributed from bottom to top and parallel to each other. The two opposite sides of the casing are respectively provided with a liquid inlet chamber and a liquid outlet chamber. The other two opposite sides of the body are respectively provided with a liquid inlet (11) and a liquid outlet (31), and the connection line between the liquid inlet (11) and the liquid outlet (31) is the shell The body diagonal of the body, the liquid inlet (11) communicates with the liquid inlet chamber, and the liquid outlet (31) communicates with the liquid outlet chamber. The dynamic cell culture device provided by the present invention has high convenience in use, is suitable for manual operation, and can reduce the risk of contamination in the cell culture process, and can realize harvesting of a large number of cells in one culture.

A dose of pills is taken out of the bottle cap. The upper part of the bottle cap body with a flat upper surface is equipped with a push bar. The head end of the push bar is inserted into the cover door protruding from one end of the top end of the bottle cap body. The end of the push bar protrudes from the outer edge of the other end of the bottle cap. The elastic rubber band covers respectively cover the hanging blocks on the body so as to be combined. Tilt the medicine bottle towards the discharge port on the bottle cap and push the push bar until the fingers are blocked by the outer edge of the bottle cap, the drug delivery groove on the push bar will transport and pour out the quantitative medicine particles. When the finger is removed, the elastic rubber band cover makes the door sealing end at the head end of the push bar coincide with the edge of the cover door, and the device automatically closes. The invention can be operated blindly with one hand, and the operation conforms to people's traditional habit of pouring medicine from an open medicine bottle. . The invention is convenient for production and assembly, and is especially suitable as a quantitative extraction device for medicine bottles with a common size of 8 mm or less, and can also be used for packaging of candy and other commodities.

The invention provides a cell culture device and a cell box thereof. The cell box is in the shape of a cuboid and comprises a bottom cover (1), a plurality of partitions (2) and a top cover (3) stacked in sequence, and the partitions (2 ) has a first pool groove and a first rib on both sides, and the two first pool grooves stacked together form a middle chamber, and the two first ribs stacked in close contact make multiple middle chambers on the same layer Independent of each other; the second tank of the bottom cover (1) is docked with the first tank of the partition (2) to form a bottom chamber, the third tank of the top cover (3) and the first tank of the partition (2) The grooves are butted to form the top chamber, and both the bottom cover (1) and the top cover (3) have two kinds of ribs, one is in close contact with the first rib of the partition (2) over the entire length, and the other is at the end There are gaps. The cell box provided by the invention has high convenience in use, is suitable for manual operation, and can reduce the risk of contamination in the cell culture process, so that a large number of cells can be harvested in one culture.

The invention provides a vibration testing machine which is used for testing a workpiece. The workpiece comprises a sliding block and a sliding plate. The vibration testing machine comprises a tool which fixes the sliding plate, a third basic portion which fixes the tool, a second basic portion which bears the third basic portion, a first pressure imposing device which imposes pressure on the workpiece, a driving device which drives the sliding block to slide, a second pressure imposing device exerting certain pressure on the sliding block and an acceleration sensor which is arranged below the workpiece, wherein the tool comprises a base and lifting handles which are arranged at two ends of the base. Due to the lifting handles, the tool can be handily lifted and manual operation is convenient.