39results about How to "Easy to use alternately" patented technology

The invention relates to an adjustable spanner, in particular to a quick-operation adjustable spanner. The quick-operation adjustable spanner comprises a movable spanner head and a spanner body with a fixed spanner head. The movable spanner head is movably connected with the spanner body. The spanner body is provided with a worm gear component which can drive the movable spanner head to move and an adjusting device capable fast adjusting movement of the worm gear component. Compared with the prior art, the quick-operation adjustable spanner is fast, efficient, flexible and convenient, and great convenience is brought to alternating use for workpieces of different sizes.

The invention relates to a flat-bottom solar electric boat comprising a boat unit and a power drive and action execution mechanism. The boat unit comprises a flat-bottom boat base, a boat tip, a guardrail, a deck equipment platform, and a float unit. The power drive and action execution mechanism comprises a propeller unit, a large-area efficient light-catching solar photovoltaic panel composed of fixed and deflectable photovoltaic panels, a storage battery, an electric control device, and the float unit; the storage battery and the electric control device are fixed in a battery box; the float unit is composed of multiple streamlined barrels. The flat-bottom solar electric boat operates safely and reliably, has good stability, is convenient to wash and is free of environmental pollution; daily using cost of the flat-bottom solar electric boat is low, and appearance thereof is attractive; the flat-bottom solar electric boat is ideal, energy-saving, environment-friendly and practical overwater work vehicle and applied to usage situations with low speed requirement and high safety requirement, such as inland river aquaculture management, inland river or lake clearing or treatment, and tourism.

The invention discloses a sawing and shearing integrated machine. The sawing and shearing integrated machine is structurally characterized in that double rails are arranged on the upper top face of a fixing base; a main rack is supported by the double rails, and a reciprocating moving drive mechanism is connected to the side face of the main rack; a shearing device and a sawing device are arranged on the inner side of the main rack side by side; and the reciprocating moving drive mechanism drives the main rack to drive the shearing device and the sawing device to move in a reciprocating manner along the double rails, so that reinforcing steel bars penetrating the main rack are cut off through the shearing device or the sawing device. The sawing and shearing integrated machine has the beneficial effects that the reinforcing steel bar sawing device and the reinforcing steel bar shearing device are arranged in the main rack, the main rack is driven by the reciprocating moving drive mechanism to move, a reinforcing steel bar sawing process and a reinforcing steel bar shearing process which are different from each other can be freely switched, the cut reinforcing steel bars are prevented from being carried so as to be stacked in a concentrated manner, the occupied area is reduced, and the use rate of equipment is increased; and the sawing and shearing integrated machine is simple and compact in structure, convenient to use alternately and suitable for being arranged and installed on the movable main rack.

The invention discloses a safety belt falling protector which comprises a gravity balance wheel, two clamps, a two-layer fixed splint, a bolt and a spring. The gravity balance wheel is a round plate with a center hole; two notches which are bilaterally symmetrical are formed at the upper part of the round plate; inclined chucks are arranged at the upper parts of the clamps; articulated holes are formed at the middle parts of the clamps; arc sunken ports capable of rotating around the gravity balance wheel are formed inside the middle parts of the clamps; clamping angles capable of being clamped into the notches and enabling the clamps to be opened are formed on the clamps below the arc sunken ports; support lugs are arranged at the lower ends of the clamps; the clamps are symmetrically arranged at both sides of the gravity balance wheel; the middle parts of the clamps and the gravity balance wheel are positioned in the two-layer fixed splint and are respectively and rotationally connected with the two-layer fixed splint by rotating shafts and a center shaft; the spring is positioned between the support lugs; the bolt passes through the support lugs and the spring and is fastened by a nut. According to the invention, the operation step of hanging and disassembling a safety belt aloft is simplified, both time and labor are saved in the operation process, overhaul efficiency is improved and personal safety is ensured.

The invention belongs to the field of random number generation, in particular to a device and method for improving the random effect of random numbers. For the existing devices for improving the random effect of random numbers, they often cannot effectively and quickly dissipate heat themselves, and the general heat dissipation device has The dust filter often needs to be cleaned and replaced from time to time, which leads to cumbersome problems in use. The following solution is now proposed, which includes a device body, the bottom of the device body is fixedly connected with a heat dissipation shell, and the bottom of the heat dissipation shell is slidably installed. With two support rods, the present invention can quickly and comprehensively dissipate heat effectively, and at the same time, can effectively reduce the vibration effect, and alternately use multiple dust-proof mesh panels, effectively avoiding the need for a single dust-proof mesh panel. The tedious behavior of high-frequency disassembly and cleaning is more convenient to use.

The invention relates to a multifunctional LED energy-saving lamp. The multifunctional LED energy-saving lamp comprises a lamp box, a withdrawing and pulling box is installed at the right end of the lamp box, partition chambers are formed in the withdrawing and pulling box, a limiting strip is arranged at the right end of the withdrawing and pulling box, and an end cover is hinged to the middle of the lamp box and located at the right end of the lamp box; a rectangular hole is formed in the left end of the lamp box, and fixing screws are installed in the rectangular hole; LED bar lamp bases are installed at the left end of the lamp box, an LED bulb lamp base is arranged at the upper end of the lamp box and located above the LED bar lamp bases, and partition plates are arranged in the partition chambers and located in the middles of the partition chambers. As the partition chambers with the partition plates are arranged, multiple electric control elements can be placed easily; as the rectangular hole with the fixing screws and the withdrawing and pulling box are arranged, the withdrawing and pulling box can achieve the functions of installing and fixing the electric control elements easily; the multifunctional LED energy-saving lamp is simple in structure, convenient to operate, economical and practical.

The invention discloses a medical bed mattress and a mattress installation structure thereof, comprising a bed board, supporting legs, a leaning frame, an infusion stand, a No. 1 turntable, a No. 1 adjustment rod and a No. 1 mattress; The No. 1 guide rail, the No. 2 guide rail are provided above the bed board, and the horizontal fixed support plate and the longitudinal fixed support board are provided on the surface of the bed board; the No. 2 turntable and the No. 3 turntable are symmetrically arranged on the No. 1 guide rail; The No. 2 turntable is provided with the No. 2 adjusting lever; the No. 3 turntable is provided with the No. 3 adjusting lever; the No. 2 turntable and the No. 3 turntable are connected through the No. 1 transmission belt; the No. 4 turntable is symmetrically arranged on the No. 2 guide rail and the No. 5 turntable; the No. 4 turntable is connected with the No. 5 turntable through the No. 2 transmission belt; the No. 3 turntable is connected with the No. 4 turntable through a connecting shaft, and the No. 3 turntable controls the movement of the No. 4 turntable through the connecting shaft. The flipped mattress is well ventilated, and at the same time, the bottom mattress can be disassembled for drying and cleaning without affecting the normal use of the hospital bed.

An alternately transformable squatting toilet relates to the technical field of sanitary ware, including a toilet, the front of the bottom of the toilet is fixedly connected with a mounting seat, the middle part of the mounting seat is rotatably connected with a rotating shaft 1, and the outer side of the rotating shaft 1 is fixedly connected There is a toilet ring, the middle part of the first rotating shaft is movably connected with the second rotating shaft, and the outer side of the second rotating shaft is fixedly connected with a squatting toilet ring socketed with the outer side of the toilet ring, and the front of the squatting toilet ring is fixedly connected with a non-slip pad, and the front of the mounting seat rotates There is an adjustment knob attached. The alternately transformable squatting toilet is used through the cooperation of the toilet seat and the squatting toilet seat. In the initial state, the first helical gear and the second helical gear mesh with the first rotating shaft and the second rotating shaft respectively. When the toilet seat is used, the toilet seat is turned downward. At the same time, the squatting toilet seat turns upwards, and when using the squatting toilet seat, when the squatting toilet seat is turned downwards, the toilet seat turns upwards, so as to achieve the effect of alternate use and better meet the needs of users.

The invention discloses a fracturing flow-back fluid treatment system and a treatment technology and aims to solve the problems that the existing fracturing flow-back fluid treatment technology pollutes the environment, waste the resources and is high in fracturing construction cost. The fracturing flow-back fluid treatment system comprises a flow-back fluid reaction device, a first screw pump, a press filter, a filtrate fine filter, a third screw pump, a filter membrane assembly and a water storage tank, which are sequentially connected, and a solid phase collecting tank connected with the press filter. The fracturing flow-back fluid treatment system is reasonable in structure, simple in process and convenient to operate, and can greatly reduce environment pollution, improve the recycling utilization value of fracturing flow-back fluid and reduce treatment cost and later fracturing construction cost, thereby having high application value.

The invention discloses a convenient vital capacity rehabilitation training device for respiratory medicine, which comprises an exhalation mask, a metering end shell, a screw core, a weight plate, an air blowing cushion shell, a socket, a filter element solid disk, filter core cotton, activated carbon, and a water-soluble layer , the front end of the exhalation mask is provided with a metering end shell, and the upper surface of the metering end shell is provided with a display screen, the front end of the metering end shell is connected with a connecting ring, and the front end of the connecting ring is equipped with a training end shell, so The rear end of the filter element shell is fixed with a filter element fixed plate, and the inner side of the filter element shell is arranged with a filter element cotton, and the front side of the filter element cotton is provided with activated carbon, and the front side of the activated carbon is equipped with a water-soluble layer. Through the training end shell and the anti-slip rubber pad, the surface of the colloidal material is grooved to make it easier to fit the fingers to play an anti-slip effect, and it is equipped with a disassembly fixing ring and the training end shell, which can be disassembled through the thread structure, so that To separate and clean the internal structure as a whole.