38results about How to "Adjust the length" patented technology

The invention discloses a convenient-to-maintain large-capacity quick-opening reaction kettle. The convenient-to-maintain large-capacity quick-opening reaction kettle comprises a kettle body, a kettle cover and a rotary shaft, wherein the rotary shaft is internally provided with a stirring shaft; a plurality of storage grooves are formed in a side wall of the stirring shaft; the stirring shaft is in rotary connection with stirring rods at the storage grooves; trapezoid holes are formed among inner cavities of the storage grooves and the stirring shaft; a push-pull rod is in sliding connection with the inside of the stirring shaft through a plurality of linear bearings; the upper end of the push-pull rod stretches out of the stirring shaft and is fixedly connected with a push baffle plate; the push-pull rod is in rotary connection with connecting rods with the quantity the same as that of the stirring rods; the other ends of the connecting rods are in rotary connection with the stirring rods; the upper end of the side wall of the stirring shaft is further fixedly connected with a transmission plate; a fastening screw disc also sleeves the stirring shaft between the transmission plate and the push baffle plate. According to the convenient-to-maintain large-capacity quick-opening reaction kettle, the stirring shaft can be directly pulled out, so that replacement and maintenance are convenient to carry out; meanwhile, the stirring shaft is not stopped by the kettle body and convenient-to-open hinge type connection can be adopted; the volume of the kettle body can be improved and the capacity is increased.

The invention discloses a comfortable bedside device with a backrest, and mainly solves the problem that the comfort degree of a conventional bedside device cannot meet the requirement. The comfortable bedside device comprises a bedside body (1), and is characterized in that the backrest (2) is arranged on the bedside body (1); the top end of the backrest (2) is fixed at the top end of the bedside body (1); supporting rods (3) are arranged at the back of the backrest (2); one end of each supporting rod (3) is hinged to the back of the backrest (2). The comfortable bedside device has the advantages of being capable of improving the resting quality, simple in structure and the like.

The invention relates to the technical field of surveying and mapping instruments, in particular to a balancing and stabilizing mechanism for a geological surveying and mapping instrument. The balancing and stabilizing mechanism for a geological surveying and mapping instrument comprises a connecting seat; the connecting seat is internally provided with a power cavity; a fixing column is arrangedon the lower surface of the connecting seat; the fixing column is internally provided with a lifting cavity connected with the power cavity; the lifting cavity is internally provided with a screw rod;the power cavity is internally provided with an adjusting mechanism for driving the screw rod to rotate; the screw rod is sleeved with a lifting block in threaded match; the lower surface of the lifting block is symmetrically provided with one ends of connecting rods; the other ends of the connecting rods pass out of the lower surface of the fixing column to be connected with a first spike block;the annular surface of the fixing column is provided with multiple storage grooves; the inner upper side of each storage groove is hinged with one end of a buckled telescopic plate; and the other endof the telescopic plate is fixedly connected with a second spike block. On one hand, the problems of imperfect functions of the existing single-foot support and the triangular support can be solved,and on the other hand, the problems that the existing single-foot support and the triangular support are hard in height adjustment, large in size and inconvenient to carry can be solved.