1574 results about "Lever pressing" patented technology

The invention discloses a self-feeding type stone crushing and screening device, which comprises a base, a slide rail is arranged on the top of the base, and a rack and a crushing box are respectively slidably connected to the top of the slide rail through a slider; the crushing box is provided with a fixed extrusion plate , a number of sieve holes are evenly arranged on the fixed extrusion plate; support plates are arranged on the left and right sides of the top of the base, and a top plate is arranged on the top of the support plate, and the bottom of the top plate is connected to the second pulley through the rotation of the bracket, and the front surface of the second pulley is fixedly connected to a The driven gear, the bottom of the top plate is also fixedly connected with a deceleration motor through a bracket, the motor shaft at the front end of the deceleration motor is equipped with a driving gear, the top of the front end of the driven gear and the driving gear are all provided with a third pin shaft, and the third pin shaft is rotatably connected with an extrusion pin. The compression rod is hinged with a lifting extrusion plate at the bottom end of the extrusion rod. In the present invention, the lifting extrusion plate moves up and down through the meshing and rotation of the gears to extrude and pulverize the stone material, and the pulverization efficiency is high; the pulverized stones are screened through the sieve holes on the fixed extrusion plate.

An electrical connector includes: a fastener having an upper cover, a lower cover and a lever, the upper cover having a first side and a second side opposite to each other, the first side extending to form two pivoting ends pivotingly connected to the lower cover, the second side extending to form a clipping portion, the lever pressing the clipping portion, the lever being pivotingly connected with the lower cover; a cover plate covering the upper cover, both ends of one side of the cover plate being provided with a protruding portion respectively on which a first positioning portion is provided for engaging with the second side of the upper cover, the other side of the cover plate being provided with a set of second positioning portions for engaging with the first side of the upper cover. Thus the production yield is increased, and it is suitable for mass production.

The invention is a powder shaping machine which includes a force transmitting mechanism with two symmetric pressure, demoulding rod respectively fits with the pressing and demoulding cams. The connecting rod links together in turn a low mould plate, once and twice plate, pressing head base, and the soleplate. The once and twice pressing plate each has two pressing rods fitting with the pushing rod corresponds upon the low mould plate at the upper side and with the roller in the pressing block at the lower side. The pressing block fits with corresponding positive block fixed on the pressing head base. The cylinder linked with once, twice pressing plate fits with the cylinder on the flexural slipping mechanism base forming the mould stand pressing mechanism. The swing block links with the cylinder on the bridging arm and fits with the block fixed on the block box on the stand and the pushing rod on the bridging arm. The cylinder on the machine stand fits with the bridging arm forming the demoulding mechanism. The structure is simpler by leave off the original intermediate swing arm and the dual force transmitting mechanism transmits the force uniformly safely and stably especially suitable for large shaping machine of large tonnage with a product of uniform intensity at every steps.

A method and apparatus of removing hair from the back, shoulders and arms of a man utilizes a device comprising a comb having teeth on a lower end and a blade embedded in the teeth so that a lower active edge of the blade does not reach a lower edge of the teeth and a s result there is no exposed blade and no skin irritation or safety concerns. A rigid or semi-rigid one-piece elongated handle, a proximal end of the handle having a channel shaped to slidably receive the upper end of the comb, the proximal end also having a lever pressing against the comb to hold the comb securely to the proximal end of the handle, the lever capable of being bent to release the comb. The device has a center of gravity approximately one-third of the way down the handle from the proximal end of the handle.

The invention provides a centering clamping apparatus of an ellipsoidal workpiece, which belongs to the technical field of a clamping device. The centering clamping apparatus comprises a screw, a left slide block, a right slide block, a left centering clamping assembly, a right centering clamping assembly, a height adjusting assembly and a return assembly, wherein both the left slide block and the right slide block can be arranged on a guiding seat in a sliding manner, a left threaded section of the screw is connected with the left slide block in a threading manner, a right threaded section of the screw is connected with the right slide block in a threading manner, a carrier frame of the height adjusting assembly is arranged on a fixed seat in an up-down sliding manner by virtue of a guide rod and a guide column, a left centering clamping assembly and a right centering clamping assembly are symmetrically arranged at the left side and the right side of the height adjusting assembly, the lower end of a left leaf spring of the return assembly is installed on a left supporting frame by virtue of a left nail, and the upper end of a right leaf spring is inserted into a right clamping groove of a right centering pressure rod. The centering clamping apparatus not only rapidly centers and clamps the ellipsoidal workpiece and is reasonable in structure, but also can be suitable for various models of ellipsoidal workpieces, and is high in universality.

The invention relates to the technical field of electric power, and further discloses a winding device for ensuring the coil thickness to be kept constant by utilizing the thickness variation. The winding device comprises a bottom plate, the upper portion of the bottom plate is movably connected with a pressing rod, the position of a first rotating wheel is controlled by the movement of the pressing rod, thereby, and the rotation of a second rotating wheel is controlled. Through cooperative use of a limiting plate and the pressing rod, the winding is automatically stopped when a set thicknessis reached, the thickness in the winding process is guaranteed to be kept constant, and the stability of the product is guaranteed; through cooperative use of a lower cutting rod and an upper cuttingrod, automatic cutting is carried out after quantitative winding is completed, the intelligence of the whole device is improved, and the working efficiency is improved; through cooperative use of a clamping plate, a gear and a cam, clamping is carried out synchronously in the shearing process, the coil is prevented from loosening after shearing, the coil is fixed; and through cooperation of a rotating shaft and a fixing block, and the rotating shaft can move left and right in the winding process, so that the winding is more uniform.

The invention discloses a door lock assembly and a box-type electric appliance. The door lock assembly comprises a lockset (1) and a lock catch unit, wherein the lock catch unit comprises a lock body, a cam oscillating mechanism and a locking lever mechanism; a locking lever (5) is connected with the lock body by virtue of a rotating shaft (4), and two ends of the locking lever can rotate around the rotating shaft; and one end of the locking lever refers to a locking end (51) extending towards the lockset, and the other end of the locking lever is matched with a cam (2), so that the locking lever can be locked or unlocked with the lockset under oscillation of the cam. The door lock assembly also comprises a trigger mechanism, wherein one end of a top pressing rod (10) and the locking end extend out in the same direction and can be contacted with the lockset, and the other end of the top pressing rod can push a micro switch (12) to be electrically connected with an induced circuit board (13) so as to generate a trigger signal. The door lock assembly disclosed by the invention is simple and compact in structure and attractive in appearance, the box-type electric appliance adopting the door lock assembly can acquire the trigger signal, and after the box door is closed and locked, the other operating modes are operated, and the safety operation reliability is improved.

A fully automatic mechanical hammering type meat filling preparation machine, comprising a frame body 1, a rotating shaft 4, a crank turntable 2, a middle motor 7, a beating device 8, a rotating drum 25, an overload nut 23, a main transmission device and a stirring device. The device 8 is arranged on the left side of the frame body 1, a rotating shaft 4 is arranged on the top of the frame body 1, the crank dial 2 is fixedly installed on the rotating shaft 4, and the intermediate worm gear mechanism 6 includes an upper worm gear 61 and an upper worm 62. The pulley 51 and the small sprocket 52 are sleeved with the transmission chain 50, the upper pulley 75 and the main pulley 70 are sleeved with the upper conveyor belt 71, and the lower end of the shaft body of the lower worm gear 91 is provided with a driving gear 10. The main transmission device includes a The connecting rod 21, the push rod 22 and the pressing rod 24 are fixedly installed with a beating device 8 at the lower end of the pressing rod 24, a drum 25 is arranged at the lower end of the beating device 8, and the driven gear 11 is arranged at the lower end of the drum 25. Therefore, , it is more convenient and flexible for people to make fibrous meat fillings.

The invention provides a self-tightening type centering drive plate. The self-tightening type centering drive plate comprises a Morse cone, wherein a drive plate apex is arranged in the Morse cone; the drive plate apex is fixedly connected through an adjusting screw, a top tension spring and compression screws; the drive plate apex is connected to a floating block through a pin; the Morse cone is connected with a lever pressing plate through another adjusting screw, another spring and another pin; the contact of the lever pressing plate is in sliding contact with the floating block; the lever pressing plate is fixedly connected with a pressing head through a screw thread; and the drive plate apex precisely matches the Morse cone, and the fit clearance is 0.005-0.01 mm. The self-tightening type centering drive plate, disclosed by the invention, has the advantages of operation convenience, high precision, low labor intensity and high working efficiency; and the longitudinal separation of a tail seat is only necessary to adjust when work-pieces with different lengths are machined.

The adjustment device includes a seat connected to a back by a first rod and an elasticity set. The elasticity has a base connected to the first rod. A pressing rod is connected to the base. A first spring is passed through by the pressing rod and stopped by the base. A pushing block is connected to the pressing rod and the first spring. A rotating rod passes through the seat. Two pressing blocks with a threaded hole are passed by the rotating rod and separately screwed with the rotating rod. Two second springs are passed through by the rotating rod and nipped between the pressing blocks and the edge plates.

The invention discloses a pull-down type press-in device for an axle housing bolt. The device is characterized in that an axle housing bolt press rod is an inverted 'L'-shaped component which consists of a top horizontal press head and a vertical rod, the top horizontal press head and the position of each axle housing bolt are corresponding to one another one by one, and the press is realized by a pull rod under the driving of a power cylinder by a press disc arranged above the top horizontal press head; and the vertical rod is in meshing transmission with a rotor by a transmission gear, so that the unfolding and the folding of the top horizontal press head can be realized. The device is used for pressing and installing the axle housing bolt, and is high-efficiency and safe.

The invention discloses a panel feeding clamp, which comprises a base for external installation, a pincer seat with one end fixed on the base, a substrate fixed on the base, a compression bar with the middle hinged with the other end of the pincer seat and an external casing. The compression bar is provided with a pincer opening end and a non-pincer opening end, wherein the pincer opening end andthe pincer seat form a pincer opening, and the non-pincer opening end is controlled by a driving mechanism to achieve opening or closing of the pincer opening, the driving mechanism comprises a cylinder arranged on the pincer seat and a spring assembly arranged on the substrate, the cylinder is connected with the spring assembly, the casing is rotatably provided with a C-shaped crank arm, one endof the crank arm is hinged to a connection portion of the cylinder and the spring assembly, the other end of the crank arm is hinged to a connection plate capable of sliding along the surface of the pincer seat, and elasticity effects of the spring assembly drive the connection plate to move close to the compression bar to enable the pincer opening to clamp a panel through the crank arm. When thecylinder applies reverse force on the crank arm, the crank arm drives the connection plate to move far away from the compression bar to enable the pincer opening to open. The clamp force is stable and reliable, has no damage to the surface of the panel, and avoids influences of power-down, decompression or pressure oscillation.

The invention discloses an oiling machine. The oiling machine comprises a rack and an oiling device, wherein an oil storage cavity is arranged in the rack, an electrical heating element is arranged at the bottom of the oil storage cavity, and the oiling device is arranged under the bottom of the rack and is positioned right below the oil storage cavity, so that liquid fat in the oil storage cavity can enter the oiling device conveniently; a sleeve is arranged at the rear end of the rack, a pressure level is arranged in the sleeve, a pressure spring is arranged between the pressure level and the sleeve, the pressure level can move in the sleeve along a vertical sliding groove up and down, and the lower part of the pressure level is connected with an oiling cavity of the oiling device; when the pressure level is pressed downwards, the oiling cavity can be nested with a bolt assembly or a bolt required to be oiled; according to the scheme disclosed by the invention, the oiling machine can be pushed to move on a rail by an operator, when the bolt assembly is planned to be oiled, the pressure level is pressed downwards, and then the bolt assembly can be sleeved into the oiling cavity for oiling; and the oiling machine has a simple structure and high oiling efficiency and can perform construction conveniently.

The invention discloses an intelligent cloth pressing device which comprises a liftable pressure rod vertically arranged on a housing, wherein the lower end of the pressure rod is provided with a presser foot, a working platform is arranged below the presser foot, a control drive mechanism used for controlling the pressure rod to drive the presser foot to lift is arranged between the pressure rodand the housing, the control drive mechanism comprises a pressing part used for controlling the pressure rod to drive the presser foot to descent, and a resetting part used for controlling the pressure rod to drive the presser foot to upwards restore to the original position. The pressure rod is intelligently controlled through attraction between an electromagnet and an attraction body and an elastic element to drive the presser foot to lift in a reciprocating manner, a larger downward pressure is applied to a fabric to be sawn during spurting so that stable spurting is ensured; and when the fabric is sent, the pressure foot is upwards lifted under the action of the elastic element so that the fabric is ensured to be smoothly sent, thus the intelligent cloth pressing device is safety and reliability in action, and is suitable for popularization and use on a sewing machine.

The invention discloses a manufacturing method of a single-shaft strain GeOI wafer based on a mechanical bending table, which comprises the following steps of: firstly, placing a Ge layer surface on the top layer of the GeOI wafer on the arc-shaped bending table downwards or upwards; secondly, respectively and horizontally placing two cylindrical stainless steel pressing rods at the two ends of the GeOI wafer which is 1cm away from the edge of the GeOI wafer; thirdly, slowly rotating nuts of the connected pressing rods, so that the GeOI wafer gradually bends along an arc-shaped tabletop till to be completely fitted with the arc-shaped tabletop; fourthly, placing the arc-shaped bending table carried with the GeOI wafer into an annealing furnace for annealing; fifthly, slowly cooling to the room temperature after the completion of the annealing and taking out the arc-shaped bending table carried with the GeOI wafer; and sixthly, rotating the nuts of the connected pressing rods and slowly lifting the pressing rods till the bent GeOI wafer restores the original shape. The invention has the following advantages that firstly, the raw materials are easy to obtain; secondly, the manufacturing cost is low; thirdly, the manufacturing process is simple; fourthly, the process temperature range is wide; fifthly, the yield rate is high; sixthly, the surface roughness is small; seventhly, the strain effect is good; and eighthly, the thermal property is good.

The invention discloses a mechanical loading creep age forming device. The mechanical loading creep age forming device comprises a rack, a loading device arranged on the rack and a mold arranged belowthe loading device; the loading device comprises a plurality of groups of loading hydraulic cylinders; the extending directions of the piston rods of two adjacent groups of loading hydraulic cylinders are different; the extending directions of the piston rods of the plurality of loading hydraulic cylinders in the same group are identical, and the lower ends of the plurality of piston rods are jointly connected with a pressing rod; and the mold comprises a mold-shaped plate and a plurality of supporting devices for supporting the mold-shaped plate. According to the mechanical loading creep ageforming device, the telescopic lengths of the piston rods of the different groups of loading hydraulic cylinders are controlled; the heights of the supporting devices can be adjusted, so that the curvature of a mold profile is adjusted; and therefore, the forming device can form multiple workpieces with different curvatures; a loading force is applied to a to-be-formed workpiece through the pressing rod, so that the possibility that internal defects are generated in the workpiece in a loading process is reduced. The mechanical loading creep age forming device has the advantages of simple structure, high operability, high practicability and stable quality of the formed workpiece.

The invention discloses a paper box gluing device and relates to the field of package. The paper box gluing device comprises a loading platform and a driving mechanism, wherein the loading platform isprovided with a gluing groove; the driving mechanism comprises a rocker arm; a sliding sleeve sleeves the rocker arm; the sliding sleeve is connected with a push rod; teeth are arranged at the bottomof the push rod; a glue groove is formed in the push rod; a gluing roller is arranged in the glue groove; a rotary gear is arranged below the push rod; the gear is engaged with the teeth; the gear iscoaxially fixedly provided with a cam; a pulling rod is fixed on the cam; a limiting wheel is coaxially fixed on the cam; one side, facing an eccentric end of the cam, of the limiting wheel is inwardconcave to form a semicircular groove; a swinging plate is arranged below the limiting wheel; the swinging plate is provided with a limiting groove and a pulling groove; the pulling rod is slidably arranged in the pulling groove; a glue barrel is arranged below the swinging plate; a piston plate is arranged in the glue barrel; the piston plate is provided with a pressing rod connected with the swinging plate; the glue barrel is connected with a glue outlet pipe. According to the paper box gluing device disclosed by the invention, the rotation of the rocker arm can drive the gluing roller to do transverse reciprocating motion and automatic gluing is carried out on the bottom of a paper box; the paper box does not need to be manually held to be subjected to manual gluing, so that manual influences are small, the running is stable and the gluing efficiency is high.

An image forming apparatus and a fixing unit thereof are disclosed. The fixing unit includes a heating roller, a press roller mounted in close contact with the heating roller to apply heat and pressure to the printable medium with the heating roller, a press lever to press the press roller toward the heating roller, a press spring connected to the press lever, a release device to operate the press lever to release pressing force exerted on the press roller, and a power conversion device to transmit driving power generated from a main driving source to drive the heating roller to the release device. Accordingly, since the press lever pressing the press roller to closely contact the heating roller can be operated by the driving power of the main driving source, the jammed printable medium can be easily removed.

A door switch for a refrigerator includes a case having a hole on one side; switch terminal units installed inside the case and making on/off operations of a circuit; a plunger for changing the on/off operations of the circuit mechanically while moving inward/outward of the case through the hole on the case; and a restriction means installed on the case for restricting the movement of the plunger, whereby a chamber light can be turned off even if the door of refrigerator is opened, and therefore power consumption of the refrigerator can be reduced.

The invention discloses a device for assembling a contact spring of a frame-type breaker, which consists of a bottom plate, a gear box, a pressing rod, a pressing rod bracket, a stop block and a positioning block, wherein the gear box, the stop block and the positioning block are all fixedly assembled on the bottom plate; the gear box has a rack which extends out of the gear box and a handle which operates sliding of the rack, the exposed end of the rack is step-shaped, and the step-shaped surface is inclined; the pressing rod bracket is fixed on the later surface of the gear box and positioned above the exposed end of the rack; the pressing rod is fixed on the middle part of the pressing rod bracket and can rotate around a fixed shaft; the pressing rod bracket has a '7'-shaped groove; the fixed shaft of the pressing shaft can slide along the '7'-shaped groove; and the lower end part of the pressing rod has an arc surface.

The invention discloses a semi-pneumatic fixing clamp which comprises a base and a fixing baffle, wherein a mounting groove is formed between the base and the fixing baffle; a clamping block which is connected with and driven by a screw is arranged in the mounting groove; the other end of the screw extends out of the base and is connected to a translation cylinder; a compaction block is arranged above the mounting groove and fixed to a fixing frame by being arranged at one end of a pressure rod; the other end of the pressure rod is connected with a rotary handle; a compaction cylinder is arranged on one side of the base through a supporting base; and a piston rod of the compaction cylinder penetrates through the base and is connected to the fixing baffle. According to the technical scheme disclosed by the invention, with clamping in three directions, a processed piece is better fixed, the stability of the processed piece and the accuracy of a product are improved, and the qualified rate of the product is increased.