44results about How to "No elastic deformation" patented technology

The invention relates to a device for cutting off a diaper finished product with an elastomer which can cut off the diaper finished product with the elastomer and can prevent displacement of the diaper finished product and a method for preventing the displacement of the cut-off diaper finished product. A cut-off roll connecting shaft and a knife felt roll connecting shaft are arranged in an integral frame which consists of a knife rest plate and a distance plate and then arranged on a mounting frame; a lubricating roll is arranged below the cut-off roll connecting shaft; after external assembly of an air distribution disk and an air suction opening, air suction areas which are required by the device are assembled on two sides of a knife felt roll and a transfer roll; and sealing is realized by a felt. The invention has the advantages that: 1, structure is simple; 2, the cut-off diaper product with the elastomer cannot be deformed elastically, so that the lengths of products are accordant; 3, blades can be lubricated automatically, so that the blades are always in a lubricated state, and cut-off quality is improved; and 4, an occupation space is small.

The invention discloses a centripetal joint bearing with a spiral groove on its internal diameter, which belongs to the technical field of centripetal joint bearings. The invention mainly aims to overcome the problems of small oil storage at inner diameters and insufficient and nonuniform oil supply of conventional centripetal joint bearings in the prior art. The centripetal joint bearing provided by the invention is mainly characterized by comprising an outer ring and an inner ring, wherein the external surface of the outer ring is provided with an outer ring outer diameter lubrication groove and two symmetrical outer ring lubricating oil holes, the outer spherical surface of the inner ring is provided with an inner ring outer spherical surface lubrication groove, which is perpendicular to the center line of an inner hole, and four uniformly distributed inner ring lubricating oil holes, the inner diameter surface of the inner ring is provided with two inner ring inner diameter spiral lubrication grooves, and the two inner ring inner diameter spiral lubrication grooves are intersected with the inner ring lubricating oil holes. The centripetal joint bearing provided by the invention has the characteristics of increase of oil storage in an inner diameter surface groove, reduction of abrasion and clamping stagnation between the inner diameter and a shaft, prolongation of the service life of the bearing, improvement of process operability, enhancement of product quality and working efficiency, etc. and is mainly applicable to centripetal joint bearings which are in need of good lubrication conditions, an automobile brake drum, a low speed and heavy load.

The invention relates to a link system and an electric connector thereof. The electric connector comprises a locking structure, the locking structure is arranged on a base of the electric connector, the locking structure is used for locking a flexible printed circuit, the locking structure comprises a flip and latches, each latch comprises a clamping hook, a resetting piece and a support, the clamping hook comprises a body, a clamping arm, and a rotating shaft, one side of the body is provided with an inserting opening used for entrance and exit of the flexible printed circuit, the clamping arm is provided with a closed angle clamped with a gap of the flexible printed circuit, the rotating shaft is fixed on the body and is rotatably arranged on the support, the resetting piece is arranged at one side of the clamping hook, one end of the resetting piece is arranged on the surface of the flip in an inclined manner, the other end of the resetting piece is abutted against the base, and the resetting piece supports the flip so that one side of the flip, far from the rotating shaft, is upwarped back to the flexible printed circuit. According to the locking structure, when the flexible printed circuit is installed and dismounted, the clamping hook rotates around the rotating shaft, and the closed angle of the clamping arm enters and exits out of the gap of the flexible printed circuit so that the flexible printed circuit can smoothly enter and exit out of the inserting opening, and detachable connection between the flexible printed circuit and the locking structure is realized.

The invention relates to the technical field of biological experiment equipment, and discloses a biological experiment oscillation device for detecting speed limit by using centrifugation. The biological experiment oscillation device comprises an output shaft, one end of the output shaft is fixedly connected with an oscillation shaft, the outer side wall of the oscillation shaft is fixedly connected with a detection ring and a speed limit ring, and the inner side wall of the detection ring is fixedly connected with a sliding rail; and one end of the sliding rail is fixedly connected with a detection base, and the inner side wall of the sliding rail is slidably connected with a centrifugal lead ball. When the oscillation speed is too high, the centrifugal force borne by the centrifugal leadball is increased, the pressure exerted by the centrifugal lead ball on an arc-shaped spring piece is larger than the elastic force of the arc-shaped spring piece, the surface of the arc-shaped spring piece is elastically deformed, the arc-shaped spring piece drives a trigger frame to move towards one side of an alarm device, the trigger frame triggers a switch on the alarm device, and thus the alarm device gives an alarm, so that an experimenter can know the oscillation state of a test tube in time, and the experimenter can conveniently adjust the device in time.

The invention discloses a preparation method of a leisure shoe sole material with an anti-slip performance. The preparation method comprises the following steps: (1) obtaining carbon black composite zinc oxide whiskers; (2) obtaining sodium silicate / stearic acid composite halloysite; (3) adding natural rubber, a vulcanizing agent and the carbon black composite zinc oxide whiskers into a rubber mixing mill, performing mixing, then adding the sodium silicate / stearic acid composite halloysite and a coupling agent, performing continuous mixing, then discharging the obtained rubber, injecting the rubber into a sole mold, carrying out hot pressing, and then naturally cooling the hot-pressed rubber to obtain a shoe sample; and (4) vulcanizing the shoe sample obtained in step (3) in a press vulcanizer. The leisure shoe sole material prepared through the preparation method of the leisure shoe sole material with the anti-slip performance has the excellent anti-slip performance.

The invention relates to an indoor door moving detector. The indoor door moving detector comprises a detecting trolley and a detecting plate, wherein the detecting plate is a scale plate equipped with a laser emitter; the laser emitter is arranged on a zero scale of the scale plate, and the laser emitted by the laser emitter is vertical to the detecting plate; the detecting trolley comprises an outer plate frame, and an elongated balancing plate; one end of the balancing plate is rotatably connected to the outer plate frame through a fixing rotating shaft on the outer plate frame; the balancing plate can be rotated within the plane vertical to the outer plate frame; a telescopic rod with a locking device is mounted at the lower part of the other end of the balancing plate and is vertical to the balancing plate; a group of rollers is fixedly mounted at the lower end of the telescopic rod; a reflector vertical to the balancing plate is mounted on the balancing plate. The detector is ingenious in structure, and fine to detect, and can achieve mass, safe and efficient detection.

The invention discloses a novel knee joint prosthesis, which comprises a tibial tray and a washer, wherein the tibial tray comprises a platform; a first limiting column, a second limiting column, a third limiting column and a limiting block are arranged on the platform; the limiting block extends along a front edge; a bottom tangent plane is arranged along at least two edges of the first limitingcolumn, the inner edge of the second limiting column and the inner edge of the third limiting column; the lower surface of the washer is provided with a first groove for accommodating the first limiting column, a second groove for accommodating the second limiting column, a third groove for accommodating the third limiting column and a limiting groove for accommodating the limiting block; and a back-off plane is arranged along the inner side wall of the first groove, the inner side wall of the second groove and the inner side wall of the third groove, and the back-off plane abuts against the bottom tangent plane. The tibial tray and the washer are easy to assemble; the convex edge and the back-off plane have a long length, and the force to prevent the washer from falling out is great; andthe convex edge and the back-off plane are not elastically deformed basically, thereby further preventing separation between the tibial tray and the washer.

The invention discloses a locking mechanism of a baby carriage and the baby carriage, relates to the technical field of baby carriages, and solves the technical problem that the unlocking and folding processes of the baby carriage are very laboursome in the prior art. The locking mechanism of the baby carriage comprises a folding joint assembly and an unlocking driving piece, wherein the folding joint assembly comprises a locking piece, a first rotation joint and a second rotation joint; the locking piece in a locking position is used for locking the first rotation joint and the second rotation joint in unfolding positions; the unlocking driving piece is a rigid piece; the unlocking driving piece is capable of driving the locking piece in the locking position to leave from the locking position in a rotation way to remove the locking of the first rotation joint and the second rotation joint; after the locking piece leaves from the locking position, the first rotation joint and the second rotation joint can oppositely rotate mutually to the folding position. The baby carriage comprises the locking mechanism of the baby carriage. The baby carriage is used for improving the convenience of folding operation of the baby carriage and the portability of the baby carriage.

The invention relates to a transmission gear locking pneumatic valve which comprises an upper valve body and a lower valve body, wherein the upper valve body and the lower valve body are matched in use; a first air passage and a first air chamber with the open lower end are arranged on the upper valve body, the upper end of the first air chamber is communicated with one end of the first air passage, and a push block is mounted in the first air chamber in a sliding manner; a second air passage and a second air chamber with the open upper end are arranged in the lower valve body, and the upper end of the second air chamber is communicated with the lower end of the first air chamber; a channel penetrating through the lower valve body is formed in the bottom of the second air chamber, and a T-shaped locking pin is inserted into the second air chamber and the channel in a sliding manner and is matched with the push block in use; a boss used for limiting the T-shaped locking pin is arranged at the bottom of the second air chamber, a hollow chamber is formed between the outer side wall of the boss and the inner side wall of the second air chamber, and one end of the second air passage is communicated with the hollow chamber. The scheme can lock the gear of an automobile, reduce the potential safety hazard of driving, and improve the driving safety. The transmission gear locking pneumatic valve has the advantages of being simple in structure and high in use reliability.

The invention discloses flat steel bending processing process which is mainly matched with flat steel bending equipment. The flat steel bending processing process specifically comprises the followingsteps: S1, placing to-be-processed flat steel into flat steel bending equipment; S2, precisely bending and processing on the to-be-processed flat steel placed on the flat steel bending equipment at aneeded angle; and S3, precisely bending and processing the to-be-processed flat steel to obtain flat steel of a needed bent angle through the flat steel bending equipment, and taking out the flat steel of the needed bent angle from the flat steel bending equipment to collect. The flat steel bending equipment related in the steps S1 to S3 comprises an outer box. A bolt is matched with a bending block to slide, so that positions of the bending block and a bending column are regulated to process flat steel of different thicknesses, and therefore, a distance between the bending block and the bending column can be kept unchanged; and the bending column can be matched with a motor for processing Z-type flat steel of different angles.

The invention discloses a cuff type sphygmomanometer. The cuff type sphygmomanometer comprises a lower housing and a cuff; an adapter plate is arranged on the cuff; two clamping hooks which are arranged at intervals are formed on the adapter plate; two clamping hook channels corresponding to the two clamping hooks are arranged on the lower housing; an elastic locking mechanism is arranged on the inner side bottom surface of the lower housing; a clamping slot is formed in the elastic locking mechanism and communicates with one of the two clamping hook channels; when in mounting, one of the two clamping hooks sequentially passes through the clamping hook channels and the clamping slot and then is clamped to the elastic locking mechanism; an unlocking hole for unlocking the elastic locking mechanism is arranged on the lower housing; when in mounting, the elastic locking mechanism is telescoped to enable the clamping hooks to be completely clamped to the elastic locking mechanism; when in dismounting, an auxiliary unlocking tool extends into the unlocking hole to directly apply the acting force on the elastic locking mechanism, and thus the two clamping hooks can be separated from the clamping hook channels; therefore, the dismounting efficiency and the cuff replacing efficiency can be improved.

The invention relates to a support disassembling device of a steel pipe pile and relates to the technical field of bridge construction. The device comprises the steel pipe pile. The device is characterized in that a steel beam clamp is arranged on the steel pipe pile, a post cap segment is arranged on the steel beam clamp, and a disassembling stroke space is reserved between the post cap segment and the steel beam clamp. According to the support disassembling device, the principle of no-support construction of the steel beam clamp is used, the supporting post cap segment is arranged on the steel beam clamp, support construction is conducted, and the device is applied to support disassembling of the steel pipe pile.

A supporting method in the procedure of machining workpiece features that the workpiece is supported by a supporting fixture with multiple supporting heads installed on plungers (one on one), said plunger is installed in own's cylinder for controlling the height of plunger, and the pressure oil for all cylinders is supplied by one oil pump.

The invention relates to a device for cutting off a diaper finished product with an elastomer which can cut off the diaper finished product with the elastomer and can prevent displacement of the diaper finished product and a method for preventing the displacement of the cut-off diaper finished product. A cut-off roll connecting shaft and a knife felt roll connecting shaft are arranged in an integral frame which consists of a knife rest plate and a distance plate and then arranged on a mounting frame; a lubricating roll is arranged below the cut-off roll connecting shaft; after external assembly of an air distribution disk and an air suction opening, air suction areas which are required by the device are assembled on two sides of a knife felt roll and a transfer roll; and sealing is realized by a felt. The invention has the advantages that: 1, structure is simple; 2, the cut-off diaper product with the elastomer cannot be deformed elastically, so that the lengths of products are accordant; 3, blades can be lubricated automatically, so that the blades are always in a lubricated state, and cut-off quality is improved; and 4, an occupation space is small.

The invention discloses a locking mechanism of a baby carriage and the baby carriage, and relates to the technical field of baby carriages. It solves the technical problem that it is laborious to unlock and collect the car in the prior art. The locking mechanism of the stroller includes a retractable joint assembly and an unlocking drive member. The retractable joint assembly includes a locking member, a first rotating joint and a second rotating joint. The locking member in the locked position will be in the first rotating joint in the unfolded position and the first rotating joint in the unfolded position. The second rotary joint is locked; the unlocking drive part is a rigid part, and the unlocking drive part can drive the locking part in the locked position to break away from the locked position through rotation to release the locking of the first rotary joint and the second rotary joint, and the locking part is released from the lock After the position, the first rotary joint and the second rotary joint can rotate relative to each other to the retracted position. The stroller includes the locking mechanism of the stroller provided by the invention. The invention is used to improve the convenience of the baby carriage receiving operation and the portability of the baby carriage.

The invention discloses a switch tube, which comprises an insulator (1), a first conductor (2) and a second conductor (3), wherein the first conductor (2) and the second conductor (3) are respectively arranged at two ends of the insulator (1) and jointly form a closed cavity, and an elastic piece (4) and a metal piece (5) capable of being driven by an external magnetic field are arranged in the closed cavity. Movement of the switch tube execution system is driven by an external permanent magnet or an electromagnet, connection and disconnection of an internal moving contact are achieved, the outside does not make direct contact with an internal moving part, parts do not deform elastically, elastic fatigue of the parts does not occur, the mechanical life is long, and reliability is good.

The invention relates to a link system and an electric connector thereof. The electric connector comprises a locking structure, the locking structure is arranged on a base of the electric connector, the locking structure is used for locking a flexible printed circuit, the locking structure comprises a flip and latches, each latch comprises a clamping hook, a resetting piece and a support, the clamping hook comprises a body, a clamping arm, and a rotating shaft, one side of the body is provided with an inserting opening used for entrance and exit of the flexible printed circuit, the clamping arm is provided with a closed angle clamped with a gap of the flexible printed circuit, the rotating shaft is fixed on the body and is rotatably arranged on the support, the resetting piece is arranged at one side of the clamping hook, one end of the resetting piece is arranged on the surface of the flip in an inclined manner, the other end of the resetting piece is abutted against the base, and the resetting piece supports the flip so that one side of the flip, far from the rotating shaft, is upwarped back to the flexible printed circuit. According to the locking structure, when the flexible printed circuit is installed and dismounted, the clamping hook rotates around the rotating shaft, and the closed angle of the clamping arm enters and exits out of the gap of the flexible printed circuit so that the flexible printed circuit can smoothly enter and exit out of the inserting opening, and detachable connection between the flexible printed circuit and the locking structure is realized.

The invention provides a die of a vehicle bumper. The die comprises a die base, wherein a groove for containing an interior drawer structure is formed in the die base; the interior drawer structure comprises an interior drawer block and a wedge block; the interior drawer block is less than the groove of the die base in width; the interior drawer block is arranged inside the groove in the width direction of the groove in a sliding manner; a plurality of concave parts and bulges, which are arranged at intervals, are arranged on one side face, which departs from the lateral wall in the width direction of the groove, of the interior drawer block; the wedge block is arranged inside the groove along the length direction of the groove in the sliding manner; one side surface of the wedge block in the width direction is matched with the lateral wall of the groove; the other side surface of the wedge block in the width direction is matched with the interior drawer block; a plurality of pits and beads, which are arranged at intervals, are arranged on the matched assemble surfaces of the wedge block and the interior drawer block; the pits and the beads correspond to the concave parts and the bulges in position; the beads are not more than the concave parts in width. The die provided by the invention has the advantages of simple structure and convenience in de-molding; the elastic transformation is prevented due to the interior drawer block; a cavity is stably filled in the injection molding process; a product of the bumper is attractive in molding.

A control device for controlling pivotable vanes of a turbo-machine, including: a plurality of pivotable vanes distributed in azimuth over at least 90° around the axis of the turbo-machine, the pivotable vanes being oriented substantially radially relative to the axis of the turbo-machine; and a control ring portion for controlling pivoting of the vanes, each vane being connected to the control ring portion by a link, the control ring portion being held around the axis of the turbo-machine by the links; wherein at least two of the links are connected to the ring portion by respective ball-joint connections, with other links being connected to the ring portion via respective sliding pivot connections.

The invention relates to a car and a dual mass flywheel. The dual mass flywheel comprises a main flywheel and an auxiliary flywheel which are sequentially arranged in the axial direction; an elastic damping mechanism and a clutch piece are arranged between the main flywheel and the auxiliary flywheel, the elastic damping mechanism can generate elastic deformation when the main flywheel and the auxiliary flywheel rotate relatively; the clutch piece comprises a fixing piece and a movable piece, one of the movable piece and the fixing piece is connected to the main flywheel, and the other one ofthe movable piece and the fixing piece is connected to the auxiliary flywheel; and in the radial direction of the dual mass flywheel, the movable piece and the fixed piece are relatively arranged, andthe movable piece can move relative to the fixed piece. The movable piece and the fixed piece can be combined to enable the main flywheel and the auxiliary flywheel to rotate synchronously; the movable piece can be separated from the fixed piece under the gradually-increased centrifugal force effects along with increase of the rotating speed of the dual mass flywheel, and the main flywheel and the auxiliary flywheel are separated. The dual mass flywheel in the technical scheme can reduce the resonance risk of an engine during low rotating speed.

The invention provides a hob mounting structure for a raise boring machine. The hob mounting structure comprises a hob holder, a hob and a hob center shaft for fixedly mounting the hob, wherein the hob center shaft is provided with a first end and a second end, the first end and the second end are provided with V-shaped parts respectively, the V-shaped parts at the two ends are sequentially connected with a first shaft shoulder and a second shaft shoulder respectively, and a third shaft shoulder is further arranged at the second end in a spaced mode through the second shaft shoulder; V-shaped grooves corresponding to the V-shaped parts are formed in the two ends of the hob holder, a first inner side wall and a second inner side wall are arranged on the two sides of the hob holder, and a third side wall is further arranged on the second inner side wall outwards; and the V-shaped parts at the two ends of the hob center shaft are fixed in the corresponding V-shaped grooves through bolts, the first shaft shoulder is in clearance connection with the first inner side wall, the second shaft shoulder is in interference connection with the second inner side wall, and the third shaft shoulder is in interference connection with the third side wall. Through the arrangement, the probability of axial movement of the hob center shaft is reduced, and therefore the risk of bolt breakage is reduced.

The invention discloses an antenna for a wireless sensor of a movement mechanism and the wireless sensor with the antenna. The antenna comprises a printed circuit board, a flexible transmit-receive component and a connecting seat. The flexible transmit-receive component is connected with the printed circuit board, the flexible transmit-receive component is provided with a transmit-receive structure, the flexible transmit-receive component is at least partially made of a flexible material, the transmit-receive structure is at least partially made of a metal material, the transmit-receive structure is bent along with the flexible transmit-receive component to form a ring shape, and the transmit-receive structure is electrically connected to the printed circuit board; the connecting seat is connected with the printed circuit board, and the connecting seat is provided with a connecting structure used for being connected with a movement mechanism. Therefore, the antenna does not generate elastic deformation in the movement process, has excellent stability, does not affect the resonant frequency of the antenna compared with a spring antenna and potting structure, can stably receive and feed back electromagnetic signals, and ensures the accuracy of measurement of the temperature, pressure and the like of the movement mechanism.

The invention relates to a mounting (10) for a windshield wiper, the mounting having at one end a receiving hole (12, 46) for a wiper shaft (44), forming a fold at the other end A component (14) of the hinge, and formed by deep drawing, stamping and bending from a flat plate (28), has a U-shaped cross-sectional profile (20) and a spring suspension (16). It is proposed that the spring suspension (16) is formed from a side wall (24) of the U-shaped cross-sectional profile (20) by deep drawing.

The invention provides a dismountable floor brush, belongs to the technical field of cleaning supplies, and solves the technical problems that the clamped connecting structure of the existing floor cleaning brush devastatingly deforms in an unlocking process and a matching failure is caused after the floor cleaning brush is used for a long period of time. The dismountable floor brush comprises a brush body and a grab handle; a hook I is arranged at the bottom part of the grab handle; an installation groove I is formed in the top surface of the brush body; the hook I can be matched in the installation groove I in a clamped connecting way; a sliding hole extending vertically is further formed in the back surface, closely adjacent to the hook I, of the bottom surface of the grab handle; a limiting pin capable of being inserted into the installation groove I to prevent the hook I from falling off is connected in the sliding hole in a sliding way; a reset spring is arranged in an abutting way between the top surface of the limiting pin and the bottom surface of the sliding hole; a wedge block is connected in the grab handle in a sliding way; a sliding column extending outwards is arranged on the outer side of the limiting pin; the inclined surface of the wedge block is located at the lower part of the sliding column; and the limiting pin is pushed through the inclined surface to bepulled out from the installation groove I. The floor brush is dismounted smoothly and has a long service life.