333results about How to "Simple and reasonable structural design" patented technology

The invention discloses a cleaning device for municipal road guardrails. The right end of a hydraulic cylinder is rotationally connected with a lantern ring; the lantern ring is connected to the lowerend of a cleaning roll in a sleeving mode; a supporting rod is arranged on the upper portion of the hydraulic cylinder; the left end of the supporting rod is slidably connected with a guide groove; the right end of an upper lantern ring is rotationally connected with another upper lantern ring, and the upper end of the cleaning roll is sleeved with the upper lantern ring; a drive motor is arranged inside the left end of a device body; the upper end of the drive motor is rotationally connected with a driving shaft; the upper end of the driving shaft is rotationally connected with a crankshaft;the upper portion of the crankshaft is rotationally connected with the device body through a bearing; and a first bevel gear is fixedly connected to the middle of the driving shaft. According to thecleaning device for the municipal road guardrails, the angle of inclination of the cleaning roll is adjusted through the hydraulic cylinder so that the road guardrails of different degrees of inclination can be cleaned, and the cleaning effect is good; a water suction roll is arranged at the lower end of the device body and used for preventing sewage generated during cleaning from flowing around,roads can be clean and attractive, and driving safety is ensured. The cleaning device for the municipal road guardrails is simple, reasonable and practical in structural design, the effect of cleaningof the road guardrails is greatly improved, and the problem that sewage generated during cleaning flows around is effectively solved.

The invention relates to a seal lock. The seal lock comprises a lock shell of a columnar structure. The seal lock is characterized in that a lock body control assembly for achieving an unlocking or locking function, and a pressing rebounding device for completing sealing operation through external force pressing in an unlocked state are installed in the lock shell; and the lower portion of the pressing rebounding device is connected with a seal. The seal lock is simple and reasonable in structural design and safe and controllable in operation; a lock body is controlled to be unlocked and locked through fingerprint recognition, and during manual pressing sealing, due to the design of the pressing rebounding device, the sealing frequency is effectively controlled; and a camera is installed on the lock body, so that sealed files and sealing processes are clearly recorded, and the controllable whole course of seal management is truly achieved.

The invention relates to a child lock structure of an automobile side door lock. The child lock structure is arranged between an inner opening mechanism and an outer opening mechanism in a lock body of the automobile side door lock. The inner opening mechanism and the outer opening mechanism are controlled to be separated and combined through the locking position and the unlocking position, and therefore the function of the child lock structure can be achieved. The child lock structure is characterized in that the child lock structure comprises a child rod operation arm with a preset linear movement stroke, and a child rod linkage plate driven by the child rod operation arm to synchronously and linearly move; and one end of the linear movement stroke is designed to be the unlocking position of a child lock, and the other end of the linear movement stroke is designed into the locking position of the child lock. The child lock structure is simple and reasonable in structural design, the function of the child lock is achieved through cooperation of the child rod operation arm, the child rod linkage plate, a lower shell body, an upper shell body, the inner opening mechanism, the outer opening mechanism and other parts, and therefore peril incidents caused by the phenomenon that children on the back row touch an opening handle inside an automobile by accident and open a rear automobile door can be effectively prevented.

The invention discloses an automatic Mahjong machine. The machine comprises a shuffling mechanism which is installed in a machine body and controlled by a control unit, a tile conveying mechanism, and a tile push-and-lift mechanism; the tile conveying mechanism consists of two sets of oppositely arranged conveying units located on two sides of the tile push-and-lift mechanism; when a tile push lifting platform of the tile push-and-lift mechanism descends, the tile push lifting platform can accept Mahjong tiles coming from conveying units on the two sides at the same time, when the tile push lifting platform rises, the Mahjong tiles on a platform are raised to the center of the table. According to the automatic Mahjong machine, a brand new Mahjong machine is designed by adopting the method of automatically launching mahjong tiles in the middle of the machine body for players to grab, the normal use by the players is satisfied only by one magnetic absorption Mahjong tile, the Mahjong host structure is simplified, the spare parts and occupied space are greatly reduced, the Mahjong machine is lighter, the manufacturing cost can be reduced greatly; additionally the possibility of cheating is completely eliminated, the tabletop of the players is also neat, clean and fresh, and the adjustment of the number of mahjong tiles by different playing methods or even the number of players can be accommodated. The automatic Mahjong machine is an industry subversive innovation, the structure design is simple and reasonable, the Mahjong machine has the advantage of industrialization, low cost, high efficiency, and quantity production, and the market prospect is broad.

The invention discloses an automatic-control water adding device of a dough kneading machine. The automatic-control water adding device comprises a conveying pipe, a feeding hopper is arranged at one end of the conveying pipe, the other end of the conveying pipe is communicated with a stirring cavity with a discharging pipe, a stirring shaft penetrates the conveying pipe and the stirring cavity, and one end of the stirring shaft is in transmission connection with a motor while the other end of the same is connected with a supporting seat; a spiral pushing plate is arranged on the front portion of the stirring shaft, a stirring rod is arranged on the rear portion of the stirring shaft, the conveying pipe is communicated with a water adding pipe with a gate valve, a sprayer is arranged at a position where the conveying pipe is communicated with the water adding pipe, and a flow switch and a flow meter are arranged on the water adding pipe. Flour enters the conveying pipe from the feeding hopper, is mixed and stirred with water in the process of being conveyed, is stirred well for the second time when passing the stirring cavity and is discharged finally through the discharging pipe; water injection quantity and flowing speed are controlled through the flow switch and the flow meter, and water incoming quantity can be adjusted according to different flour and different stirring speeds; the stirring rod in the stirring cavity can flail and stir the flour for well mixing.

A water-spraying mop comprising a mop rod, a mop head and a universal joint that rotationally connects the mop head and the mop rod; the mop rod comprises a water-squeezing frame that is disposed on the mop rod, and is capable of moving relative to the mop rod in an axial direction; the water-squeezing frame comprises a channel for allowing the mop head to pass through, a water-squeezing portion that is disposed in the channel, and faces the mop cloth while the mop head passes through the channel, and a liquid-spraying system consisted of a water tank, a water pump and a dynamic mechanism used for propelling the water pump to spray liquid; the water tank is disposed at the mop head, and the water pump is disposed in the mop rod.

The invention provides a control device and a control method thereof for an oil-gas well multistage perforator, comprising a staged perforation upper joint and a staged perforation lower joint which are connected together, wherein the other end of the staged perforation upper joint is connected with a former stage perforator, and the other end of the staged perforation lower joint is connected with a next stage perforator; a staged perforation control device is mounted in the staged perforation lower joint, and the staged perforation control device comprises a former stage wiring contact pin arranged at the upper port of the staged perforation lower joint and a next stage wiring contact pin arranged at the lower port of the staged perforation lower joint, an on-off insertion rod is arranged between the former stage wiring contact pin and the next stage wiring contact pin, and the lower end of the next stage wiring contact pin is connected with a telescopic connecting contact pin component; the staged perforation control device also comprises a control circuit board used for connecting and controlling the former stage wiring contact pin and the next stage wiring contact pin. The situation that a detonator just switched on by the former stage perforator is detonated by the next stage perforator due to the spurious ignition current is effectively avoided, the control device and the control method thereof can be used for detecting the on-off situation of a circuit in the corresponding stage, and the safety and reliability of the staged perforation control device are improved.

The invention relates to a bushing, a knuckle and a press-fitting technique for the bushing and the knuckle. The bushing is characterized by being composed of a bushing inner tube, a bushing outer tube and an intermediate rubber body, a rubber dustproof side lug is arranged on one side in the axial direction of the bushing, and a bushing flange is arranged on the other side in the axial direction of the bushing. A knuckle bushing hole used for mounting the bushing is formed in the knuckle. A press-in hole opening and a press-out hole opening of the knuckle bushing hole are both designed as a fillet structure with the radius R being 2.2-2.5 mm. The knuckle bushing press-fitting technique comprises three parts of mounting of the bushing, fixing of the knuckle and press-fitting. The knuckle bushing hole is designed according to the specific structure and material of the bushing, and the whole press-fitting process is further completed through a press-fitting tool. By optimizing the knuckle bushing hole structure, the problem that the rubber dustproof side lug is damaged during press-fitting is avoided. Positioning and stable bonding between the bushing and the bushing hole are guaranteed through the press-fitting tool, the operation process is simplified, time and labor are saved, the working efficiency is improved greatly, and the qualification rate of products is greatly increased.

The invention relates to a device for detecting the airtightness of a fuel filter. The device comprises a water tank. The left and right side walls of the water tank are fixedly connected with a left shaft base and right shaft base respectively; a rotation shaft which is hollow and the two ends of which are sealed is bridged between the two shaft bases; the side wall at one end is connected with a compression wind pipe, and the other end is provided with a hand wheel; the rotation shaft is fixedly connected with a rotation cage formed by end plates at the two ends and a plurality of cross bars bridged between the end plates; each cross bar of the rotation cage is provided with a plurality of loading covers for loading filters; the loading cover comprises a housing, the outer end of which is open; the center of the inner end of the housing is fixedly connected with a ball valve; the valve cavity of the ball valve is communicated with the inner cavity of the housing through an air hole arranged in the center of the inner end of the housing; the housing is internally and fixedly connected with a rubber plug with grooves for holding the filters in the center; the center of the bottom wall of each groove is provided with a through hole for the connection end of the filter to be inserted in; and the ball valve is connected with an air supply hose, and the other end of the air supply hose is fixedly connected and communicated with the rotation shaft.