52results about How to "Socket firmly" patented technology

The invention discloses an ammeter convenient to install. The ammeter convenient to install comprises an ammeter. The upper and lower two ends of the back surface of the ammeter are respectively and fixedly connected with a limit sleeve; the two sides of the inner wall of each limit sleeve are respectively provided with a slide groove; the top and bottom of the inner wall of the slide groove are connected by a slide rod; a sliding block sleeving the slide rod is slidbly connected in the slide groove; the slide rod is sleeved by a compressed spring; the two ends of the compressed spring are fixedly connected with one side of the inner wall of the slide groove and one side of the sliding block respectively; and the opposite sides of the two sliding block are connected through a sliding plate. Through improvement of arc clamp plates, when two press plates are pushed oppositely, press rods drive the two arc clamp plates to close to each other through the sliding plates and push rods; then,the press plates are released, the sliding blocks drive the arc clamp plates to return through the sliding plates under the action of rebound force of the compressed springs; through cooperatively use of clamp rods, the arc clamp plates are allowed to be stably clamped in a through slot; and thus, the ammeter can be installed quickly.

The invention discloses a safe positioning and adjustment device used for a concrete pouring vehicle hose and belongs to the field of safe positioning and adjustment. The safe positioning and adjustment device used for the concrete pouring vehicle hose comprises a fixing locking ring, a positioning operation ring, a hose lantern ring and an all-directional safety belt. According to the safe positioning and adjustment device, the positioning operation ring can be located around the hose through the fixing locking ring and a connecting rod, an operator controls a winding wheel to pull the hose lantern ring through a corresponding traction line, a corresponding movable pulley and a corresponding fixed pulley, the fixed pulley is fixed to the positioning operation ring, the hose lantern ring drives the hose to move, labor is saved during operation, the misoperation and misstep situations are effectively prevented, personal safety of the operator is ensured, accidents are effectively prevented from occurring to the operator through the all-directional safety belt and a safety rope mounted on the fixing locking ring, meanwhile, the body of the operator can be conveniently stabilized under the effects of a first magnet on an operation rod and a second magnet on the all-directional safety belt, and the accidents are further prevented.

The invention discloses an intelligent water faucet convenient to mount and stable in butt-joint. The intelligent water faucet convenient to mount and stable in butt-joint comprises a water faucet, wherein one end of the water faucet is fixedly connected with a water inlet tube; the water faucet communicates with the water inlet tube; a water conveying tube sleeves the water inlet tube; a sealing sleeve sleeves the water inlet tube; the outer side wall of the sealing sleeve is in lap joint on the inner wall of the water conveying tube; the water inlet tube is sleeved by a hollow tube; slide rails are embedded into the upper end and the lower end of one side of the hollow block; slide blocks are in sliding connection in the slide rails; and back sides of the two slide blocks are movably connected with inner walls of the two slide rails through telescopic poles separately. According to the intelligent water faucet convenient to mount and stable in butt-joint disclosed by the invention, a limiting rod is improved, and a limiting ejector rod can be separated from a limiting slot when two slide blocks are reversely pulled; after the slide blocks are loosened, and the limiting rod is re-blocked into the limiting slot under action of resilience force of an extrusion spring, so that the connecting rods and soft balls are in stable sleeve connection in through slots and circular slots, and therefore, the water inlet tube is stably connected with the water conveying tube.

The invention provides a lathe spindle. The lathe spindle comprises a spindle core and a body sleeved on the spindle core, a belt wheel assembly used for driving the spindle core to rotate is arranged on the spindle core in a sleeved mode, the belt wheel assembly comprises a belt wheel arranged on the spindle core in a sleeved mode and a driving ring arranged on the spindle core in a sleeving mode and fixedly connected with the belt wheel and used for driving the spindle core to rotate, a first damping part is arranged between the belt wheel and the spindle core in a sleeved mode, and a second damping part is arranged at the fixed connection part between the belt wheel and the driving ring. According to the lathe spindle, the first damping part is arranged between the belt wheel and the spindle core in a sleeved mode, the second damping part is arranged at the joint between the driving ring and the belt wheel, the vibration generated by the belt wheel is greatly weakened by the first damping part and the second damping part, so that the spindle core can be prevented from being in radial linkage with the sleeving position of the belt wheel in the rotating process of the spindle core, the spindle core is prevented from being in radial linkage with the sleeving position of the driving ring in the rotating process of the spindle core, the stability of the spindle core in the rotating process is ensured, and the precision of a machined part machined by the lathe spindle is higher.

The invention relates to a dustbin, which comprises a dustbin body. The dustbin is characterized in that the interior of the dustbin body is provided with an inner bracket, the inner bracket consists of a plurality of elastic vertical rods and a plurality of transverse press strips, the elastic vertical rods are fixedly connected with the bottom end of the inner bracket, the transverse press strips are respectively and fixedly arranged at the upper ends of the elastic vertical rods, the shape of each transverse press strip corresponds to the shape of the inner cavity of the dustbin body, and the transverse press strips are attached on the inner wall of the dustbin body. The dustbin has the beneficial effects that after a large plastic bag coats all the transverse press strips, the excessive part of the plastic bag is extruded into the dustbin through elastic force, a small plastic bag only coats one part of transverse press strips, and an opening or a lift handle of the plastic bag can also be pressed into the dustbin, so a plurality of plastic bags different in sizes can coat the dustbin; the plastic bags can more stably coat the dustbin, so the falling of the plastic bags loaded with garbage is avoided; by adopting the inner bracket structure, the plastic bag cannot be exposed out of the dustbin, so the appearance is attractive.

The invention comprises: a case, a control circuit board located in the case and a USB port connected to the control circuit board. Wherein, the USB port has a metal shell whose top wall has an acceptance hole. The USB port protective cover houses the elastic component in the metal shell and the button located on the shell and the elastic component. There is an extruding portion on the elastic component, which can extend to the acceptance hole of the USB port when the protective cover sleeves the USB port. When the USB protective cover needs to be removed, the button can be pressed to push out the protruding portion from the acceptance portion of the USB port.

The invention discloses a compound rubber sealing ring of an ultra-large water supply spigot and socket pipe. The compound rubber sealing ring comprises anti-falling annular grooves formed close to the end in a socket of the spigot and socket pipe, wherein an anti-falling rubber ring is arranged in each anti-falling annular groove; a cavity annular groove is formed in each anti-falling rubber ringin an annular direction; a plurality of fixing tongues are arranged on each anti-falling rubber ring; the plurality of fixing tongues are sleeved with arc-shaped anti-falling strips; an anti-fallingconvex ring is integrally arranged on the outer wall of the spigot of the spigot and socket pipe; a rubber ring groove is formed in one side of each anti-falling annular groove in the socket; and a rubber sealing ring is arranged in each rubber ring groove. The compound rubber sealing ring of the ultra-large water supply spigot and socket pipe is convenient to mount, good in connecting effect andnot easy to slip; the construction period is shortened; the construction cost is reduced; and the sealing effect is good.

The invention relates to a model rocket convenient to recycle. The model roket comprises a rocket head and a rocket body, and a sensor and a parachute are arranged in the rocket, and the sensor is connected to an adjusting mechanism. In the operation process of the rocket, the adjusting mechanism adjusts the rocket head to be in two states, wherein one state is that the rocket is in an upright posture during lift-off, and when the sensor does not detect the change of the rocket attitude, the adjusting mechanism adjusts the rocket head to be in the working state of being assembled on the rocketbody; the second state is that the posture of the rocket is changed when the rocket falls down; the sensor detects the attitude change of the rocket, the adjusting mechanism adjusts the rocket head to be in a separation state of separating from the rocket body to release the parachute according to a signal detected by the sensor. The model rocket is stable in structure and reasonable in layout, the rocket head and the rocket body can be separated in time and the parachute can be released when the falling posture of the rocket is changed after the rocket lifts off, parachute ropes of the parachute can be wound when the rocket is about to fall to the ground, resistance is increased, landing impact force is reduced, and the risk that the rocket is damaged by falling is effectively reduced.

The invention discloses an intelligent lock capable of being mounted stably. The intelligent lock comprises an intelligent control panel; the upper side and the lower side of one side of the intelligent control panel are fixedly connected with hollow sleeves; sliding rails are fixedly connected with the inner walls of one sides, departing from the intelligent control panel, of the hollow sleeves;two sliding blocks are connected with the interior of each sliding rail; the opposite sides of every two sliding blocks are movably connected through first expansion rods; the first expansion rods aresleeved and connected with extrusion springs; the two ends of each extrusion spring are fixedly connected with the opposite sides of the two sliding blocks correspondingly; and one side, departing form the corresponding sliding rail, of each sliding block is fixedly connected with one end of a pressing plate. According to the intelligent lock capable of being mounted stably, through improvement on clamping rods, firstly two groups of pressing plates are extruded relatively and the hollow sleeves are inserted into and connected with plugholes formed in the door sheet in advance, and then the pressing plates are released and by the action of resilience force of the extrusion springs, the clamping rods can be inserted into and connected with clamping holes formed in the inner walls of the plugholes in the door sheet, by this time, the intelligent lock can be quickly mounted.

The invention provides an assembly type indoor sound insulation wall auxiliary assembly, and relates to the technical field of sound insulation wall bodies. A linkage part is mounted on the frame part; a tightening device is slidably connected to the frame part, and a fitting part is rotatably connected to the tightening device; an edge sealing device is fixedly connected into the frame part; two floating driving parts are mounted in the frame part; two linkage expansion parts are mounted in the frame part; a ratchet-shaped tooth block is fixedly connected into the frame part, the frame part is provided with a linkage part in a matched mode; fitting driving on the top surface of a building and tight fitting between walls can be achieved; the structure is simple; the linkage is efficient; the wall installation is more stable; meanwhile, glue pollution is effectively reduced; and the sound insulation effect is effectively improved. The problems that the sound insulation performance of a building is affected, the environmental protection performance is poor and the installation is not stable enough since joints between walls are large and later grouting and glue supplementing are needed are solved.

The invention provides a sand spreading pipe for a locomotive sand spreader, which includes a connecting piece, a connecting hose and a sand outlet steel pipe. Sand steel pipe. The connector is a hollow tube with a trapezoidal boss at one end and a limited boss near the trapezoidal boss; an annular groove is arranged near the other end of the connector, and a card slot is provided at the end of the annular groove. The circlip is slidingly sleeved on the annular groove with a connecting sleeve, and the connecting sleeve is provided with an internal thread, one end is bent inward, and is sleeved on the annular groove, and the other end is threadedly connected with the locomotive sand spreader; the connecting piece is provided with a folding The bending part, the bending angle of the bending part is 130-140 degrees. The sand spreading pipe for the locomotive sand spreading device provided by the invention has the advantages of simple and compact structure, convenient disassembly and good waterproof effect.

A locking structure used for sleeving an inner pipe with an outer pipe comprises an outer ring, locking bolts and nuts, wherein the outer ring is provided with a hollow through hole. The outer ring is provided with a notch communicated with the through hole. The two sides of the notch are respectively provided with a transverse hole, wherein the locking bolts penetrate through the transverse holes to be in threaded connection with the nuts. The outer wall of the outer pipe is sleeved with the outer ring through the through hole in the outer ring. The locking structure further comprises an inner sleeve. A sleeve hole is formed in the inner sleeve, wherein the outer wall of one end of the inner pipe can be sleeved with the sleeve hole. The inner sleeve is provided with a notch, wherein the notch is communicated with the sleeve hole in the vertical direction and communicated with the middle of the upper end of the sleeve hole in the horizontal direction. The outer pipe is inserted into the space between the outer wall of the inner sleeve and the inner wall of the outer ring. The locking bolts or the nuts are provided with partition parts used for controlling locking force. The locking structure is reasonable, the locking force is consistent, and locking is safer and more reliable.

The invention provides a transplantation bag for landscaping. The bag comprises a bag body, wherein the bag body comprises an upper port, the upper port is equipped with an outer edge, and the outer edge is internally equipped with a fastening ring; a ring of water-absorbent cotton is disposed circumferentially on the inner wall of the bag body; and the bottom of the bag body is connected to peripheries by a transition ring. In conclusion, the bag provided by the preferential scheme of the invention is characterized in that the outer edge is disposed on the upper port; the fastening ring is internally disposed on the outer ring; the water-absorbent cotton is disposed circumferentially on the inner wall of the bag body; and the bottom of the bag body is connected to the peripheries by the transition ring. In this way, the transplantation bag can be cup-jointed stably; moisture can be maintained; and a transplantation survival rate is greatly increased. Equivalently, an infusion bottle is provided for a transplanted plant. According to the preference, the transition detachable edge can be directly detached from the bottom during cluster planting. The bag has the advantages that the overall structure is simple and highly practical; the cost is low; and the bag can be widely applied to landscaping operations and governmental projects.

The invention aims to solve the splicing problem of PE pipes, and discloses a splicing device for the PE pipes. The splicing device comprises a first pipe body and a second pipe body, a first hydraulic cylinder is sleeved with the first pipe body, a holding rod is fixedly mounted at the left side of the surface of the first hydraulic cylinder, a handle is fixedly mounted at the left end of the holding rod, a first air pump is fixedly installed at the left side of the surface of the holding rod, a guide ring is fixedly installed at the right side of the surface of the first hydraulic cylinder, first spiral springs are symmetrically connected to the two side faces of the first hydraulic cylinder, first sliding rods are sleeved with the first spiral springs, and a top plate is installed at the outer ends of the first sliding rods; and guide wheels are evenly installed on the outer surface of the top plate, a first piston rod is installed at the right side of the first hydraulic cylinder, and a heating strip is fixedly installed in the middle of the side face of the first piston rod. By means of the splicing device, tension is provided for the inner walls of the PE pipes through an adhesion layer, and then extrusion force is provided for the PE pipes through an air bag ring, so that splicing of the PE pipes is conveniently achieved so as to meet different requirements.

The invention discloses a cup feeding mechanism of a cup printing machine. The cup feeding mechanism of the cup printing machine comprises a machine frame, a supporting plate, a turbine, a worm, fourfixed shafts, four swing arms, four screws and a driving mechanism capable of driving every two adjacent screws to rotate in the opposite direction. The four points on the edge of an opening of a cupare subjected to synchronous transmission though screw grooves of the four screws, and the cup can be more stably and accurately connected on a cup mold in a sleeving mode, so that the alignment of the cup with a printing device is more accurate; linear wire guiding grooves and curved guiding grooves which cross each other are arranged on the turbine and supporting plate to locate the movement track of a roller shaft, the turbine pushes the swing arms to swing inside and outside through the roller shaft through the adjustment of the worm, and the diameter of a circle enclosed by the four screws is adjusted and the circle is applicable to cups of different specifications; since the screws are installed at the tail ends of long arms of the swing arms, the distance between the screws and a fixed shaft is fixed and unchanged, part of the transmission connection on the long arms follows the movement of the long arms, and when the diameter of the circle enclosed by the four screws is adjusted, any structure of the driving mechanism does not need to be changed.

The invention discloses an earphone. The earphone comprises an earphone main body into which a loudspeaker is embedded, and an ear cap, wherein the earphone main body is provided with a hollow extension portion which is communicated with the inside of the earphone main body; the hollow extension portion is sleeved with the ear cap; meanwhile the ear cap is further provided with a small hole which is communicated with the inside of the hollow extension portion; a voice diaphragm of the loudspeaker faces a channel which is communicated with the small hole of the hollow extension portion; the peripheral wall of the hollow extension portion is provided with more than one exhaust groove. The peripheral wall of the hollow extension portion is provided with the exhaust groove, and air in the small hole of the ear cap can be exhausted from the exhaust groove when the small hole of the ear cap is blocked and the ear cap is connected to the hollow extension portion in a sleeved way due to error operation of a user, so that deformation of the voice diaphragm of the loudspeaker due to extrusion of the air in the small hole into the earphone main body is effectively avoided, and the quality of the earphone is ensured.