70 results about "Tooth part" patented technology

The application discloses a harmonic reducer, which comprises a wave generator, a flexspline, a bearing inner ring composite rigid wheel, a rear cover, a front cover and a bearing outer ring. The transmission shaft of the wave generator comprises a transmission shaft body and a transmission shaft coating structure, the transmission shaft coating structure is coated on the outer side of the transmission shaft body, the material density of the transmission shaft body is lower than that of the transmission shaft coating structure, and the unit material weight of the transmission shaft body is smaller than that of the transmission shaft coating structure. The bearing outer ring and the bearing inner ring composite rigid wheel jointly form a roller bearing groove. The bearing outer ring is provided with an oil injection channel which is communicated with the roller bearing groove. The bearing inner ring composite rigid wheel is provided with a pressure relief channel which is communicated with the roller bearing groove and one end of which is communicated with the meshing space. The tooth part of the flexspline is meshed with the tooth part of the bearing inner ring composite rigid wheel in the meshing space.

A method is provided for generating and / or displaying a dynamic tooth chart In some cases, the method can include receiving dataset(s) associated with a patient. Each dataset comprises data corresponding to an imaging modality of a plurality of imaging modalities and provides information on a dentition of the patient. The datasets are processed to generate, for each dataset, one or more tooth portions. Each tooth portion comprises an image of one or more teeth of the patient. The one or more tooth portions are arranged into a dental chart. A visualization of the dental chart of the patient is generated and provided to a user device for presentation in a user interface. In some cases, a method can include determining one or more chart annotations can by performing a shape analysis, a teeth arrangement analysis, and / or a material analysis on 3D dental model(s) and / or 2D images of the patient's jaw.

The utility model discloses a kind of stator end plate, belong to motor field, solve the problem that stator end plate is lacking in effective positioning to enameled wire in prior art, the technical scheme solving this problem includes body and the plurality of end cap tooth parts of circumferential interval setting in body, still be equipped with the limiting post located in the radial direction of the body outside end cap tooth part, the limiting post is protruding on the body and its inboard surface is equipped with the limiting buckle formed by extending inwards. The utility model plays effective limiting to enameled wire, reduces the condition of loosening and broken line. Another purpose of the utility model is to disclose a kind of stator assembly, including stator core, coil winding and the stator end plate described in any of the above technical solutions, so that the structure of stator assembly is more compact and reduces the condition of enameled wire loosening and broken line.

The utility model discloses a kind of stator core structure and rotating motor for reducing the risk of enameled wire broken skin, it includes core body, the core body is by multiple stator lamination stacking fixed composition, the stator lamination includes tooth shoe part, tooth body part and yoke, wherein, one end of the tooth body part is connected on the yoke, the other end extends along the radial direction of yoke outward or inward, the tooth shoe part is set in the one end of the tooth body part away from the yoke, the stator lamination includes outer layer lamination and inner layer lamination, the tooth body part width of the inner layer lamination is greater than the tooth body part width of the outer layer lamination;When stacking, the outer layer lamination is set in the both end side of multiple the inner layer lamination, and it is ladder-shaped transition structure;It is through the structure design of optimizing core tooth part, effectively reduce the friction damage that enameled wire is subjected to in winding process, improve the insulation performance and production efficiency of motor.

The utility model discloses a screw air compressor, including the shaft with the tooth part and the casing with the cavity, the shaft is along its axial and is placed in the cavity, and the axial both ends are through bearing assembly and casing rotatable connection respectively, still include the shaft sealing assembly, and the both ends of shaft pass through two groups of shaft sealing assembly and the bearing of bearing assembly's connection to make the bearing seal in the bearing seat of bearing assembly. The utility model discloses a bearing assembly and the shaft between setting up the shaft sealing assembly, to realize the isolation between bearing and casing, prevent gas, liquid and enter the bearing to influence the service life of bearing, through the elastic abutment sealing of dynamic sealing unit and static sealing unit and the centrifugal drainage effect of centrifugal piece, realize multistage sealing, to ensure the working environment of bearing, prolong the bearing life, improve the reliability and stability of compressor.

The application discloses an automatic assembling device and method for a motor output shaft of an automobile, and is applied to the technical field of the automatic assembling device for the output shaft.The technical scheme points of the application are as follows: a rack is included; a shell positioning assembly for conveying and positioning a differential shell is fixedly connected to the bottom of the rack; a horizontal sliding seat is slidingly connected to the top of the rack along the horizontal direction based on a horizontal screw sliding assembly; an expansion holding assembly is movably connected to the horizontal sliding seat based on a vertical guide press-fitting assembly, and a rotating driving assembly for driving the expansion holding assembly to rotate as a whole is fixedly connected to the horizontal sliding seat; an elastic abutting assembly for applying an elastic abutting force to the output shaft is fixedly connected to the expansion holding assembly in a concentric mode, so that the output shaft is automatically driven to be inserted into the inner tooth groove when the outer tooth part of the output shaft is rotated to be aligned with the inner tooth groove of the differential assembly.The application has the technical effect of guaranteeing the assembling precision and the assembling efficiency while reducing the manufacturing cost of the equipment.

The present invention provides a linear motor armature in which a linear motor armature core is not exposed to a gap surface, a linear motor, and a method for producing the linear motor armature. Provided is a linear motor armature comprising: a plurality of armature cores which respectively have back yoke parts and tooth parts that respectively protrude from the back yoke parts; a plurality of armature windings which are respectively wound around the tooth parts; and a mold resin which fixes the plurality of armature cores and the plurality of armature windings, wherein the plurality of back yoke parts are arranged in a first direction and in contact with each other, the tooth parts respectively protrude from the back yoke parts to one side of a second direction orthogonal to the first direction, and end surfaces of the tooth parts on one side of the second direction are covered with the mold resin.

A harmonic speed reducer (1000) and an industrial robot. The harmonic speed reducer (1000) comprises a circular spline (100), a flexspline (200), a wave generator (300), and a support bearing (400); the wave generator (300) is arranged in the flexspline (200), and an outer tooth part (210) of the flexspline (200) is partially meshed with an inner tooth part (110) of the circular spline (100); a first slot body (430) and a second slot body (440) are arranged between an inner bearing ring (410) and an outer bearing ring (420) of the support bearing (400); the first slot body (430) is used for mounting a first rolling body (431); and the second slot body (440) is used for mounting a second rolling body (441).

The present application belongs to the technical field of gear, and proposes an aviation gear with variable web thickness, comprising a shaft part, a tooth part and a web part, the first web part of the web part has a thickness smaller than that of the inner ring body part, the thickness of the connection between the first web part and the second web part is smaller than that of the connection between the second web part and the third web part, and the thickness of the connection between the third web part and the second web part is greater than that of the connection between the third web part and the supporting ring body part; the thickness of the connection between the second web part and the first web part and the thickness of the connection between the second web part and the third web part are both smaller than the thickness of the second web part at the radial middle position. The aviation gear with variable web thickness of the present application has a groove on the upper surface of the web part, thereby reducing the weight of the gear, adjusting and limiting the thickness of the first web part, the second web part and the third web part, and thereby regulating the overall torsional stiffness of the gear, the vibration characteristics of the gear and the bending strength.

The utility model relates to a kind of core and its stator structure for robot motor tooth part using riveting type cover plate, the core includes core yoke part ring, partition block and cover plate, multiple notches extending along the axial direction are equipped on the outer wall of core yoke part ring with interval, one end of partition block is equipped with the positioning lug A of shape matching with notch, and positioning lug A is inserted in notch, cover plate is abutted on the other end of partition block, gap is left between adjacent cover plate, and core yoke part ring, partition block and cover plate are mutually fixed by rivet.The utility model realizes the accurate radial and circumferential positioning of tooth part unit by the mechanical interlocking mechanism of notch and lug, eliminates assembly cumulative error, and cover plate only covers single partition block, expansion gap is retained between adjacent cover plate, and the thermal stress problem of overall cover plate is completely avoided;Core whole adopts rivet synchronous penetration yoke part ring, partition block and cover plate to realize consolidation, avoid welding thermal damage, and significantly improve connection stiffness.

The utility model discloses an inner winding lamination of high -efficient motor, including the lamination body of basically square, the middle part of lamination body forms the hollow inner circle hole, the hollow inner circle hole periphery direction is provided with a plurality of lamination grooves extending along the radial on lamination body interval, and the lamination groove between two two forms tooth part and yoke on lamination body, the lamination groove has the slot mouth, the shoulder and the groove bottom, wherein the slot mouth is rectangle setting, the groove bottom of slot mouth both ends with its adjacent tooth part is 90 set, and two groups of groove bottom intersection position is provided with arc part, and the radius Rk of arc part is 12.5mm. The utility model proposes technical scheme, and the winding of stator is optimized to the inner winding type scheme from the original winding, embedding wire, shaping etc. multiple processes, can improve product quality, production efficiency, reduce cost under the condition of satisfying motor performance.

The utility model discloses a double -sided permanent -magnetic linear motor, including the rotor structure and stator structure. The rotor structure includes rotor yoke part and a plurality of rotor units, and the rotor unit includes rotor tooth part, winding, pole shoe part and first permanent magnet, and the vertical one end of pole shoe part is equipped with the first installation slot, and first permanent magnet fixed mounting is in the first installation slot, and the stator structure includes stator yoke part, a plurality of stator tooth parts and a plurality of second permanent magnets, and stator tooth part is protruding in the vertical one end of stator yoke part, and the second installation slot is defined between every two stator tooth parts, and second permanent magnet fixed mounting is in the second installation slot, and the first chamfer structure is equipped with in each edge of its outside of pole shoe part respectively and in each edge of the slot mouth of first installation slot, and the second chamfer structure is equipped with in each edge of stator tooth part. The utility model can make the thrust density of linear motor greatly increase, to help increasing the thrust of linear motor.

The utility model relates to a telescopic device for highway bridge, including cross joint comb tooth board, set up in the bridge main body of opening expansion joint, fixed comb tooth board, and cross joint comb tooth board opposite setting in the opposite side of expansion joint, the tooth part staggered alignment between cross joint comb tooth board and fixed comb tooth board, multidirectional displacement subassembly, including two ends simultaneously connect bridge main body's first stop lever and two ends simultaneously connect cross joint comb tooth board's second stop lever, wherein, first stop lever sets at least two, and first stop lever and second stop lever staggered arrangement and perpendicular to expansion joint, multidirectional displacement subassembly still include first limit rod, first limit rod passes through the gap between first stop lever and bridge main body simultaneously, and the gap between second stop lever and cross joint comb tooth board, the utility model discloses through multidirectional displacement subassembly connection cross joint comb tooth board and bridge main body, make cross joint comb tooth board can move in multiple directions horizontally, adapt the expansion and rotation deformation of bridge.

The utility model relates to motor rotating shaft sleeve assembly device, including base, support work piece, crossbeam is connected the base through the stand, drive shaft is set up on the crossbeam, pressing rod, the pressing rod is set up on the crossbeam perpendicularly to the base, along the length direction of the pressing rod, the pressing rod sliding connection the base, driven tooth part is set up on the pressing rod, the drive shaft is set up the initiative tooth part periphery, the initiative tooth part engages driven tooth part, wherein, the crossbeam still sets up the limit rod, the pressing rod with the limit rod sliding connection, the elastic member and the limit block are set up on the limit rod, the elastic member connects the pressing rod, the elastic member with the limit block set up in the pressing rod far from the crossbeam one side, the utility model discloses through the elastic member drive pressing rod automatic reset, and the pressing rod slides along the preset track, need not operator adjustment positioning, simplify personnel operation, the work efficiency of motor rotating shaft sleeve assembly device is improved significantly.

The utility model discloses a quick dismounting's cable bridge relates to cable bridge field, to solve the cable bridge of prior art in the prior art all adopt the closing of upper cover, because the high height of cable bridge installation position, the cable bridge of personnel to adopt the closing of upper cover is more troublesome when dismounting overhauls, the utility model discloses a C type cable bridge upper end both sides's front and back both ends all are fixedly connected with the suspender, the front both sides of C type cable bridge upper and lower both ends all are provided with the rectangular lock groove, C type cable bridge front end is connected with C type side seal board, C type side seal board rear end surface both sides all are fixedly connected with the rectangular cover, the inside middle part rotation of rectangular cover is connected with gear, gear both sides all are provided with the movable strip, the strip tooth part of movable strip one side end surface all is fixedly seted with, movable strip one end all is fixedly connected with the rectangular lock tongue.

The application provides a kind of stator core and motor.The stator core includes: first punching unit, the first punching unit includes first tooth part and first yoke part, one connecting joint is formed at the two ends of the first yoke part respectively, and the first punching unit is a symmetrical structure about the center line of the first tooth part;Second punching unit, the second punching unit includes second tooth part and second yoke part, and the second punching unit is a symmetrical structure about the center line of the second tooth part;Multiple first punching units and second punching units are arranged, multiple first punching units and second punching units are staggered and stacked, and two connecting joints axially adjacent can be rotatably connected to form a chain structure, and the chain structure is connected at the head to form the stator core.The application can reduce resonance and noise problems when the motor is running.

This utility model discloses an excavator rake tooth, including a first tooth body, a second tooth body, and a connecting mechanism. The first tooth body is provided with a working surface and a first mating part, and the working surface and the first mating part are respectively provided on the front and rear end faces of the first tooth body. The second tooth body is provided with a second mating part corresponding to and matching the first mating part, and the first mating part and the second mating part are mated together. The first tooth body and the second tooth body together form an installation port, which is used to connect the rake tooth to the rake head, and the rake head is installed at the end of the excavator's boom. The connecting mechanism includes a first connector, which is used to connect the first tooth body and the second tooth body. With the above structure, only the damaged part of the rake tooth (such as the first tooth body or the second tooth body) needs to be disassembled and a portion of the rake tooth part needs to be replaced, further reducing the replacement cost.

The utility model provides a straight combing of hair dryer's comb wind nozzle for installing at the air outlet end of hair dryer, including main part and hardware comb body, hardware comb body is formed by assembling between first tooth plate and second tooth plate, a plurality of first comb teeth are integrally formed on first tooth plate, a plurality of second comb teeth are integrally formed on second tooth plate, after assembling first tooth plate with second tooth plate, each first comb tooth, second comb tooth is staggered distribution between, and forms the clearance between adjacent first comb tooth, second comb tooth, second tooth plate is provided with heating element on the side close to the air outlet, the main part is hollow structure, and has the air inlet in one end communication, is equipped with the air outlet in the other end, is covered with a plurality of arcuate tooth parts on the air outlet, after assembling hardware comb body with the main part, each first comb tooth, second comb tooth is installed in each tooth part respectively, and through the independent forming of first tooth plate, second tooth plate and then assembling, can form the tiny gap better between first comb tooth, second comb tooth.

The utility model discloses a mover unit of linear motor, include: substrate, a plurality of coil winding and install on the mover iron core of substrate, the opposite side of substrate is formed with a plurality of mover tooth parts corresponding setting of coil winding on mover iron core, every coil winding with corresponding mover tooth part all are provided with a protective sheath, and the 4 lateral wall of protective sheath and be located its near substrate one end all form a flanging part vertical away from protective sheath lateral wall, and the end face of coil winding near substrate one end and corresponding protective sheath flanging part lap joint contact, and every coil winding one end all are provided with 2 root outward extending lead-out wire, and the lead-out wire between a plurality of coil winding, the lead-out wire between coil winding and one end of a out wire cable all are through the wire connection, the utility model discloses a mover unit of linear motor can protect coil, avoid its and the mutual interference between mover iron core, damage, also simplify the processing technology, can also reduce the appearance size of product.

The utility model provides a kind of inner wire machine, mainly with sewing body and rocker body, sewing body is equipped with upper shaft and cutter driving mechanism, and rocker body is equipped with cutter mechanism, in addition, cutter mechanism has movable cutter, ring gear, two cutter transmission rods, linkage bevel gear and cutter relay gear, ring gear is rotatably connected in the bearing seat of sewing body, and the peripheral tooth part of ring gear is engaged in cutter driving mechanism, in addition, two cutter transmission rods are connected with each other, one of cutter transmission rods is connected linkage bevel gear to engage in the end surface tooth part of ring gear, and another cutter transmission rod is connected cutter relay gear to be connected in movable cutter, whereby, the inner wire machine of the case is driven movable cutter by upper shaft, avoid the need for additional installation electric control device to drive movable cutter.

The utility model relates to mechanical drive technical field especially relates to a kind of flexible transmission structure, the shaft hole of first transmission shaft is uniformly arranged with several first grooves in circle;The outer surface of intermediate transmission shaft is uniformly arranged with tooth part in circle, tooth part extends installation to first groove, the shaft hole of intermediate transmission shaft is formed into conical hole, and first key groove is provided on conical hole;Flexible block can be extruded deformation, flexible block is set in at least one side of each tooth part and adheres to the side wall of first groove and tooth part;One end of second transmission shaft is formed into conical part, second key groove is provided on conical part, conical part is inserted into conical hole installation, and conical part inserts flat key and connects first key groove and second key groove.Transmission torque, flexible block produces deformation after being stressed, can buffer the impact generated by rigid connection, also can contain the problem that the first transmission shaft and second transmission shaft are not concentric caused by machining and assembly error, avoid noise, abrasion and broken shaft failure.

The application discloses an impact gear structure, which comprises a static impact gear and a dynamic impact gear, convex tooth parts are formed on opposite sides of the static impact gear and the dynamic impact gear, the two convex tooth parts can be periodically engaged with rotation of the dynamic impact gear, the convex tooth part comprises a plurality of annularly-distributed teeth, each tooth comprises a contact slope and a tooth top end located at the edge of the contact slope, and the end points of the tooth top end are kept on the same horizontal plane; the static impact gear and the dynamic impact gear are in surface-to-surface contact, that is, the whole end surface of one tooth top end is in contact with the contact slope and the tooth top end of the other convex tooth part, and in the same way, one contact slope is in surface-to-surface contact with another contact slope, so that the contact area of the two convex tooth parts can be effectively increased, the top point is prevented from being continuously abraded, and the service life of the impact gear is prolonged.

The present invention relates to a method for designing an orthodontic appliance according to partial designation of a tooth by using a computer, comprising the steps of: (S01) displaying the dentition of a patient; (S02) setting up all the teeth in the dentition so as to display the dentition in a post-orthodontic state; (S03) designating a tooth in the dentition; (S04) designating a specific portion of the designated tooth; (S05) inputting the thickness of the orthodontic appliance to come into contact with the designated specific portion of the designated tooth; and (S06) setting a gap for a portion, of the orthodontic appliance, to come into contact with the designated portion of the designated tooth.

An ultrasonic welding head comprises a welding head main body and first welding teeth; the welding head main body is provided with a welding surface, the first welding teeth protruding from the welding surface; the first welding teeth comprises a plurality of tooth parts, the plurality of tooth parts respectively being a first tooth part to an m-th tooth part which are successively arranged in the protruding direction of the first welding teeth; the n-th tooth part is arranged on the end surface of the end of the (n−1)th tooth part away from the welding surface, the end surface of the end of the (n−1)th tooth part away from the welding surface exceeding the n-th tooth part, and 2≤n≤m. An ultrasonic welding device, an electrode assembly, a battery cell, a battery, and an electrical device.

The blind plate valve comprises a chassis, a valve housing, a valve plate and a valve plate driving mechanism. The valve housing comprises a first valve body and a second valve body. The first valve body and the second valve body are arranged above the chassis and can be moved close to or away from each other. The first valve body and / or the second valve body move downward to contact the chassis. The valve plate is reversibly arranged between the first valve body and the second valve body to connect or cut off the first valve body and the second valve body. The valve plate is provided with an arc-shaped tooth part. The valve plate driving mechanism comprises a valve plate driving part and a transmission wheel. The transmission wheel is in gear engagement with the arc-shaped tooth part, and the valve plate driving part is connected with the transmission wheel to drive the transmission wheel to rotate, so as to drive the valve plate to reverse. The blind plate valve is beneficial to ensure the operation reliability and stability of the blind plate valve.

Motor cooling structure, including motor shell, stator core, rotor assembly, the stator core includes middle iron core section, left and right iron core sections, left and right end face iron core sections, the outer circumference of each iron core section is equipped with a plurality of winding teeth, the position of winding teeth corresponds, the outer circle radius of left and right iron core sections, left and right end face iron core sections is same, the outer circle radius of middle iron core section is less than the radius of end face iron core section, a plurality of rectangular oil inlet grooves are arranged on the outer circumference of middle iron core section, and the position corresponds with tooth part, a plurality of first rectangular oil storage grooves are arranged on left and right iron core sections from yoke part to tooth part, and the groove part located in yoke part is communicated with rectangular oil inlet groove, a plurality of second rectangular oil storage grooves are arranged on end face iron core section from yoke part to tooth part and communicated with first rectangular oil storage groove, the rotor assembly includes rotor core and rotor shaft, a plurality of oil through holes are arranged on rotor core, the rotor shaft is hollow structure, and a plurality of oil holes are arranged on the circumference, each stator core section is overlapped and installed into the shell, and annular oil storage groove is formed between middle iron core section and shell.

The application discloses a kind of harmonic reducer and industrial robot, it is related to the technical field of speed reducer, wherein harmonic reducer includes rigid wheel, flexible wheel, wave generator and support bearing, wave generator is located inside flexible wheel, first groove and second groove are equipped between inner bearing ring and outer bearing ring of support bearing, first groove is used to install first rolling body, and second groove is used to install second rolling body.Rigid wheel includes the first installation part and inner tooth part connected, first installation part is located in the end of inner tooth part away from inner bearing ring, and the influence degree of raceway is smaller when installing hole is set on inner bearing ring.The inner tooth part protrudes from first installation part, and the inner tooth part is designed as thin wall, can produce elastic deformation to a certain extent, in the case where the engagement depth of inner tooth part and outer tooth part is not reduced, the interference with outer tooth part is reduced using the elastic deformation of inner tooth part, to improve the carrying capacity of harmonic reducer, reduce vibration and noise.

The application relates to a vehicle door sealing assembly and a vehicle. The vehicle door sealing assembly comprises a side wall decoration strip and a sealing strip. The sealing strip comprises a sealing part used for sealing abutting cooperation with glass and a first sealing structure connected with the sealing part. In one aspect, when the glass is in a closed position, a top end surface of the glass extrudes the sealing part, so that the sealing part is deformed to form a press sealing of the top end surface of the glass, and the first sealing structure is sealed and abuts against an inner side surface of the glass through at least two tooth parts, at least two seals are formed, so that better sealing performance of the glass after being closed can be ensured; in another aspect, the first sealing structure used for sealing and the sealing part are connected with each other, so that dismounting operation is facilitated.

A customized tray using a shape memory material, and a manufacturing method therefor are disclosed. The customized tray using a shape memory material, according to one embodiment of the present application, may comprise a body part, which is manufactured using a shape memory material, has, in the upper surface thereof, an accommodating recess for accommodating a tooth part of a patient, and has, along the inner periphery of the accommodating recess, an impression material space into which an impression material for obtaining an impression of the tooth part is injected.

The application provides a damper and a stabilizer bar, and relates to the technical field of vehicles. A plurality of input teeth and a plurality of output teeth are alternately arranged, the output teeth comprise a first tooth part and a second tooth part, the second tooth part is connected with the side of the first tooth part close to the axis of the damper, the size of the first tooth part in the circumferential direction of the damper is greater than the size of the second tooth part in the circumferential direction of the damper; the damper unit comprises a damper piece, any input tooth is provided with the damper piece on both sides in the circumferential direction of the damper, the damper piece can be compressed, the damper piece comprises a main body part, a first protruding part and a second protruding part, the first protruding part and the second protruding part are protruded from the side of the main body part away from the input tooth, the first tooth part can compress the first tooth part, and the second tooth part can compress the second tooth part. The application can solve the problem that the internal structure of the stabilizer bar is impacted when the vehicle runs on a road section with small bumps, and even the structure of the stabilizer bar is damaged.