17results about How to "No friction" patented technology

The utility model discloses a combined chemical barrel which comprises a barrel body, a groove is formed in the top of the barrel body, a sealing cover is arranged in the groove, a handle is installed in the groove, and assembling mechanisms are fixedly installed on the four side walls of the barrel body. The assembling mechanism comprises a hollow combination box and two combination blocks which are fixedly installed on the outer wall of the can body, first round holes are formed in the two combination blocks, and second round holes are formed in the outer walls of the two sides of the hollow combination box. According to the chemical barrel assembling device, the grooves and the assembling mechanisms are arranged, two chemical barrels can be stacked up and down conveniently, meanwhile, the combined rod on one chemical barrel can be inserted into the first round hole in the combined block of the other chemical barrel by rotating the hand wheel, and therefore the two chemical barrels can be combined and connected with each other; and the two chemical barrels cannot be rubbed or collided in the transportation process, so that the service life of the two chemical barrels is guaranteed.

The present application relates to a kind of fixing bayonet type bottled water bottle bottle lifting machine in the technical field of bottled water bottle bagging, including feeding conveyor belt, the feeding conveyor belt right side of unloading conveyor belt, install the reflection photoelectric on the right end of the upper surface of feeding conveyor belt, and install the support seat between feeding conveyor belt and unloading conveyor belt, the inside upper surface of support seat is equipped with support frame, the lower surface of support frame is equipped with rotary motor, the upper end of rotary motor is equipped with first support rod;The arc surface of clamping block can be contacted with bottled water bottle by the extension of telescopic cylinder in clamping mechanism, two clamping blocks will be first opened and then restored, so as to clamp bottled water bottle, when releasing, telescopic cylinder retracts so that the upper end of clamping rod is extruded by arc hole, the lower end of clamping rod will be opened, so as to release bottled water bottle, the whole clamping release process will not produce larger friction with bottled water bottle, and will not damage the bottle body, bottle bottom and bottle mouth of bottled water bottle.

The utility model discloses an optical lens scratch-proof multifunctional transport box which comprises a box body and a cover plate connected to the box body through a hinge, a lens fixing assembly is arranged in the box body and comprises a fixing base, a plurality of inclined mounting grooves are formed in the upper end face of the fixing base, air bags and soft air pipes are arranged in the mounting grooves, and the air bags and the soft air pipes are arranged in the fixing base. A first sliding groove and a second sliding groove are formed in the two sides of the mounting groove, the air bag comprises a main bag body, protruding bags are connected to the two ends of the main bag body, the bottom of the optical lens is inserted between the two protruding bags and makes contact with the main bag body, and therefore the air bag is used for positioning the bottom of the optical lens; the end, away from the protruding bag, of the main bag is fixedly connected with the hose. According to the scratch-proof multifunctional transportation box for the optical lenses, the bottoms, the side parts and the tops of the optical lenses are effectively attached and fixed, so that the lens fixing assemblies do not rub the optical lenses, and the optical lenses in a transportation state are protected.

The utility model discloses a double -tube liquid under the slag slurry pump, including the pump body, still including the feeding mechanism, feeding mechanism: it includes the feeding channel, the upper narrow channel, the lower wide channel, the upper side spiral piece, the cutting groove, the lower side spiral piece, the avoidance mouth, the feeding channel fixed connection on the upper surface of pump body, the inside upper side of feeding channel is the upper narrow channel, the inside lower side of feeding channel is the lower wide channel, and the inside rotatable connection of upper narrow channel has the upper side spiral piece, and the spiral surface of upper side spiral piece is provided with the cutting groove that distributes evenly, and the inside rotatable connection of lower wide channel has the lower side spiral piece, and the spiral surface of lower side spiral piece is provided with the avoidance mouth that distributes evenly, and the lower end of upper side spiral piece is fixedly connected with the upper end of lower side spiral piece, and the lower side of lower side spiral piece is contacted with the upper surface of pump body, and this double -tube liquid under the slag slurry pump, conveying is smooth, and the service life is longer.

The utility model relates to semi -buried door hinge technical field discloses a cold storage magnetic attraction type semi -buried door hinge, including hinge, the hinge includes door frame body and door plate body, one side of door frame body and door plate body all is provided with a plurality of mounting slots, a plurality of mounting slots all are provided with the moving block, set up mounting slot and moving block through one side of door frame body and door plate body, combine connecting hole and connecting piece, can help moving block and the direct contact and physical extrusion or push and pull of connecting piece, the degree of compression of sealing element on door plate and door frame is accurately adjusted, effectively enhances the sealing property of cold store door, reduces the cold air leakage, the rotary connection of axle rod and connecting block realizes the flexible opening and closing of door plate, and the floating open and sinking closed assembly guarantees that door plate can run stably in the opening and closing process, has good automatic reset or subsidence closing performance, protects the door plate bottom sealing strip and will not rub the ground, improves the cold store door sealing property.

This invention discloses a frictionless, gapless fluid flow controller, comprising a housing and a flow control assembly. The housing has several fluid outlets on its sides and bottom, and the flow control assembly is located inside the housing. The flow control assembly includes a central shaft, an upper end face, a lower end face, and a side baffle. The central shaft has an upper end face and a lower end face at its upper and lower ends, respectively, and a side baffle is located between the upper and lower end faces. The width of the side baffle is greater than the width of the fluid outlets. The upper and lower ends of the central shaft are rotatably connected to the housing, and a gap exists between the side baffle and the inner wall of the housing. This design of the flow control assembly, with a gap between the side baffle and the inner wall of the housing, eliminates friction and improves service life. Foreign objects in the cooling system can pass directly through the gap without obstruction. Compared to existing technologies, it eliminates high-value components such as springs and seals.

The utility model discloses a sun shade mounting structure for children's products, which comprises a sun shade, the sun shade is provided with a shade edge, the shade edge is rotatably mounted on the children's products through a connecting structure, the connecting structure comprises a connecting groove, a mounting connecting piece and a bolt which are sequentially arranged, the connecting groove is arranged at the end part of the shade edge, and the mounting connecting piece is arranged on the connecting groove. The installation connecting piece is fixedly connected to the children product in an inserted mode, the bolt penetrates through the installation connecting piece to be in threaded connection with the connecting groove, the installation connecting piece is rotationally connected with the connecting groove, the anti-falling connecting piece is arranged between the bolt and the installation connecting piece, and the anti-falling connecting piece penetrates through the installation connecting piece to be matched with the connecting groove in a rotation stopping mode. The anti-falling connecting piece is arranged between the bolt and the mounting connecting piece, the anti-falling connecting piece, the bolt and the connecting groove are matched in a rotation stopping mode, namely, the anti-falling connecting piece, the bolt and the connecting groove can synchronously rotate relative to the mounting connecting piece, friction force cannot be generated between the bolt and the anti-falling connecting piece, and the risk that the bolt falls off due to the friction force is effectively avoided; and the installation reliability of the sun shade is improved.

The utility model relates to a thermal insulation structure of a pulverized coal pyrolysis rotary kiln, which is characterized in that a plurality of layers of radiation heat dissipation pipe supports arranged at intervals are axially arranged on the inner wall of a rotary kiln cylinder, each layer comprises a plurality of radiation heat dissipation pipe supports arranged at intervals along the circumferential direction, and the radiation heat dissipation pipe supports of two adjacent layers are distributed in a staggered manner along the axial direction; a plurality of layers of anchoring nails arranged at intervals are further arranged on the inner wall of the rotary kiln barrel in the axial direction, each layer comprises a plurality of anchoring nails evenly arranged at intervals in the circumferential direction, each anchoring nail is sleeved with an arc-shaped heat preservation brick, and the arc-shaped heat preservation bricks are spliced and laid on the inner wall of the rotary kiln barrel. The end part of each radiation heat dissipation pipe bracket penetrates out of the arc-shaped heat preservation brick and is arranged in the rotary kiln cylinder body; castable is filled in the joints of the radiating pipe supports and the corresponding arc-shaped heat preservation bricks and the joints of every two adjacent arc-shaped heat preservation bricks. Stainless steel inner container pieces are arranged on all the radiation heat dissipation pipe supports in a sleeved mode, and all the stainless steel inner container pieces are spliced and laid on the surfaces of the arc-shaped heat preservation bricks.

The application relates to a controllable feeding frame of a cover plate screen printing machine, and relates to the technical field of glass processing.The controllable feeding frame comprises an extension base connected to one side of a feeding station of the screen printing machine, two connecting rods, a mounting frame, two driving cylinders and two connecting rods II.The two connecting rods are symmetrically connected to the two sides of the extension base.The mounting frame comprises a fixing frame and two clamping rods slidingly embedded in the fixing frame.The fixing frame is symmetrically provided with the two driving cylinders connected with the two clamping rods.The two connecting rods II are symmetrically connected to the two sides of the extension base, and the distance between the connecting rod II on the same side of the extension base and the connecting rod I is equal to the width of the fixing frame.The driving wheel is fixedly connected with the hinged end of the connecting rod I, and the extension base is provided with a driving motor.The other end of the two connecting rods II is hinged to the fixing frame, and the mounting frame is always kept horizontal.The application can conveniently and stably convey the glass to the station of the screen printing machine, ensures that the glass cannot be rubbed with the parts of the screen printing machine, and improves the quality of the processed glass products.

The utility model discloses a roof rack type folding shed, relates to the technical field of automobile accessories, and aims to provide a solution for conveniently converting the roof rack type folding shed into an independent shed structure. The roof rack comprises a roof rack body and a fixed connecting piece thereof, and is characterized in that the roof rack body is provided with a cross beam and a vertical beam which are symmetrical front and back, and pull rods capable of moving left and right are arranged on the two sides of the cross beam and connected with the cross beam through telescopic sliding rails; the two ends of the pull rod are provided with a rotating limiting assembly and a telescopic stand column assembly, and it is ensured that the device can be folded into a roof rack shape when not used and converted into a stable independent shed structure when needed. In addition, all-directional shielding is achieved by arranging a tie bar, a front blocking face, a rear blocking face, a left blocking face, a right blocking face and other components. The design particularly pays attention to space management in the process of converting from the roof rack to the shed structure, so that collision or friction with other parts of the vehicle is avoided; all the components can be folded and fixed on the roof rack, so that the occupied space is small.

This utility model relates to a handle assembly suitable for a reclosing mechanism, including a base and a cover plate that matches and covers the base, and a main gear. The main gear includes a main gear body, with an outwardly protruding handle cavity on one side and an outwardly protruding outer diameter bearing surface cavity on the other side. The handle cavity and the outer diameter bearing surface cavity are coaxial and located at the central axis of the main gear body. A first bearing groove is formed on the base, and a first bearing is embedded in the first bearing groove. The handle cavity passes through the inner diameter hole of the first bearing and is connected to a handle that drives the main gear to rotate. A second bearing is embedded in the outer diameter bearing surface cavity. A fixing post is connected to the cover plate, and the inner diameter of the second bearing is fitted onto the fixing post. This utility model, through its double bearing structure, eliminates friction during operation, thereby improving the efficiency of the transmission system.

A permanent magnet synchronous clutch mainly consists of a gear hub, a engagement sleeve, a synchronous gear ring, a clutch shaft, bearings, a second-gear drive gear, a first-gear drive gear, a magnet, and a shift fork. Working principle: Neutral: The shift fork positions the engagement sleeve in the middle position. At this time, magnetic lines of force form a closed loop from the magnet to the gear hub to the engagement sleeve, and there is no magnetic force between the synchronous gear ring and the magnet; the engagement sleeve separates from the synchronous gear ring. Shifting: The shift fork pushes the engagement sleeve along the gear hub towards a specific synchronous gear ring. The magnet on the engagement sleeve approaches the synchronous gear ring. First, the synchronous gear and the magnet on the engagement sleeve attract each other to achieve synchronization. At this time, magnetic lines of force form a closed loop from the magnet to the synchronous gear ring to the magnet to the engagement sleeve. Then, the engagement sleeve continues to move on the gear hub until the synchronous gear meshes with the engagement sleeve teeth, completing one gear shift.

The utility model relates to foundry technology field, concretely is a kind of discharge port casting structure, including shell, the inside fixed connection of shell has inner tube, and casting is slidably connected on inner tube, and the inside of shell is provided with blanking assembly, and blanking assembly includes slide bar, top cap, sealing element, chain and pulley, and slide bar is slidably connected on shell, and top cap is fixedly connected on slide bar, and sealing element is fixedly connected on top cap, and one end of chain is fixedly connected to the bottom of slide bar, and the other end of chain is fixedly connected to the bottom of casting, and pulley is arranged on the inner wall of shell, and chain is arranged on pulley, and auxiliary assembly is arranged between shell and casting;The utility model can utilize even force to eject discharge port tubular member from casting after making discharge port tubular member, avoid burr when discharge port tubular member is taken out from casting because of and casting inner wall friction.

The utility model discloses a kind of stable two-way swing conductive devices, including electrically conductive seat, fixed pin shaft, shaft sleeve, first torsion spring, second torsion spring, swing arm, conductive wheel pin shaft, conductive wheel shaft sleeve, conductive wheel, the electrically conductive seat both sides are equipped with support plate, the fixed pin shaft is installed on both sides support plate, the shaft sleeve is sleeved on the fixed pin shaft between both sides support plate, the swing arm is equipped with two, swing arm bottom connects the shaft sleeve inside of support plate, the shaft sleeve is respectively sleeved with first torsion spring, second torsion spring in both sides of swing arm, the swing arm top is connected conductive wheel by conductive wheel pin shaft and conductive wheel shaft sleeve.The design of using double torsion spring, torsion spring does not need to bend, structure is simpler, realizes two-way swing, directly placed in electrically conductive seat inside, not produce friction, stability is good, increase the fluency of conductive wheel device work, greatly improve the service life of conductive wheel device.

This utility model discloses a lateral adjustment track support frame for a transport trestle, relating to the field of transport trestle technology. It includes a fixed support, a support track fixed to the upper end of the fixed support, a sliding bracket slidably mounted on the support track, and a lateral adjustment cylinder for pushing the sliding bracket to slide laterally. An electromagnet is detachably installed on the inner bottom wall of the support track, and a permanent magnet is detachably fixed to the bottom of the sliding bracket. When the electromagnet is energized, it generates a magnetic field that repels the permanent magnet, causing the permanent magnet to rise and levitate. This utility model, through the use of the electromagnet and permanent magnet, significantly reduces the energy consumed by the lateral adjustment cylinder, achieving energy saving and emission reduction. Simultaneously, it eliminates friction between the support track and the sliding bracket, resulting in almost no wear and tear during use, greatly extending the service life of the lateral adjustment track support frame for the transport trestle and reducing equipment maintenance costs.

The application is suitable for the technical field of automobile suspension vibration control and vibration energy recovery, and provides a shock absorber. A sleeve has a first cavity, and a coil is fixedly arranged on the side wall of the first cavity. An extension rod is arranged in the sleeve and can slide along the axial direction of the sleeve. The extension rod has a connecting part extending into the first cavity. A damping assembly is arranged between the sleeve and the extension rod, and is used for impeding the relative movement between the sleeve and the extension rod. A planar spring comprises an inner ring, an outer ring and at least three spiral parts. One end of the spiral part is fixedly connected with the inner ring, and the other end of the spiral part spirally extends to the outer ring and is fixedly connected with the outer ring. The three spiral parts are uniformly and circumferentially spaced. The inner ring is fixedly sleeved on the connecting part. Two planar springs are spaced. The connecting part movably sleeves a magnet assembly matched with the coil. The two ends of the magnet assembly are respectively fixed to the two outer rings. The application can improve the energy recovery efficiency and reduce the friction loss.