18 results about "Small teeth" patented technology

The utility model relates to the field of raft fishing wheels, in particular to a bidirectional clutch structure of a raft wheel. A bidirectional clutch structure of a raft wheel comprises a main body cover and a main body, the main body cover is sleeved on the main body, a rocker arm transmission system is arranged on the main body cover and the main body, the rocker arm transmission system comprises a large tooth, the large tooth is meshed with a small tooth, a tooth sleeve is sleeved below a tooth body of the small tooth, an annular clamping groove is arranged on the upper portion of the tooth sleeve, and the middle of the main body cover is hollow. A circular groove is formed in the inner side wall body of the hollow part, a ratchet wheel body is arranged on the circular groove, a clamping column is arranged at the top end of the ratchet wheel body, the clamping column is clamped in the circular groove, and an upper pressing body and a lower pressing body are annularly arranged on the lower portion of the ratchet wheel body. The clutch structure has the advantages that the clutch shifting button drives the clutch shaft to rotate, the clutch shaft rotates the ratchet wheel body to rotate, the clutch disc is squeezed downwards, the clutch disc receives pressure of the pressure spring, acting force is generated on the annular clamping groove, the clutch effect is achieved, the clutch shifting button rotates back, the clutch disc can reset, and the clutch structure is operated in a two-way mode.

The utility model provides a kind of low vibration, low noise stepping motor, including stator lamination and rotor lamination, the inside of stator lamination and rotor lamination is provided with the small tooth of improving electromagnetic coupling efficiency, the tooth slot ratio, tooth width, tooth shape and the included angle of adjacent small tooth of small tooth are all optimized improvement, the inside of stator lamination and rotor lamination is all increased and is set, it is related to the technical field of stepping motor.The utility model is designed by the tooth slot ratio, tooth width, tooth shape, the included angle of adjacent small tooth, the riveting point of stator lamination eight big poles on small tooth, the tooth slot ratio, tooth width, tooth shape, the riveting point of rotor lamination on small tooth, design optimization is carried out, reduce high harmonic, reduce tooth slot torque, make motor low-speed operation stability better, vibration and noise are smaller.

1. The name of the design product: the main body of the female head of a cord stopper. 2. The use of the design product: the overall use of the product is: the design product is the female head of a cord stopper, which is used to cooperate with the corresponding male head of a cord stopper to tighten and clasp the cord extending therethrough with a small tooth, which can be used on shoes and clothes. The partial use of the product is: used as the main body of the female head of a cord stopper. 3. The design points of the design product: the shape of the part shown by the solid line in each view of design 1 and the part not coated with dark green in each view of design 2. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the dashed line in each view of design 1 and the part coated with dark green in each view of design 2 are shown for illustration and do not constitute the part claimed in the design application.

This utility model is a self-balancing gearbox with small tooth difference, which includes at least two axial revolving gears and an eccentric counterweight. The number of teeth of the axial revolving gears B is different, resulting in different centrifugal forces. By adding a matching eccentric counterweight T to the existing structure, and providing specific gearbox structural requirements and installation methods, a more compact structure and smoother operation are achieved.

1. Name of this design: Body of the male head of the rope stopper. 2. Application of this design: The overall application of this design is as follows: This design is a male head of a rope stopper, which is used to cooperate with the female head of a corresponding rope stopper to tension and clamp the rope extending through it with small teeth. It can be used in footwear and clothing. The product is used in a specific application as the main body of the male connector of a rope stopper. 3. The key design features of this product are the shapes of the parts shown by solid lines in each view of Design 1 and the parts not covered by dark green in each view of Design 2. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: The dashed lines in the views of Design 1 and the parts covered in dark green in the views of Design 2 are for illustrative purposes only and do not constitute part of the protection claimed in this design application.

The utility model discloses a positioning vehicle driving small tooth anti-falling device, belongs to the technical field of mechanical driving degradation prevention, and is used for realizing a positioning vehicle driving small tooth falling early-stage trend alarm function and a positioning vehicle driving small tooth sudden falling protection function. The device comprises a lug plate, a support, a tray, a bearing, a base, a clamping plate, a small pigment ball and a distance detection limiting switch, the lug plate is composed of two right-angle-shaped fixing plates, the lug plate is connected with the upper end of the support, the outer side of the base is in a disc shape, and a plurality of through holes are formed in the outer side of the base. In addition, the device has a unique dual-alarm mechanism, namely electrical and mechanical dual-alarm, also has a leveling function and a resetting function, is creative and novel, is high in reliability, and has a relatively high popularization value.

The present application relates to the field of robot technology, and discloses a small volume and large torque robot hip gear transmission mechanism, comprising a shell, an input shaft and an output shaft installed above the shell, a parallel helical tooth reduction mechanism, an eccentric small tooth difference reduction mechanism and a planetary load sharing reduction mechanism arranged in series along a power transmission path inside the shell, and a lubricating oil circuit arranged in the shell. The three-stage series reduction structure of the parallel helical tooth reduction mechanism, the eccentric small tooth difference reduction mechanism and the planetary load sharing reduction mechanism enables the transmission mechanism to realize step-by-step speed reduction and torque increase, and the large speed ratio characteristic of the eccentric small tooth difference is matched with multi-stage transmission to obtain stable output torque in a small installation space, effectively solving the problems of large volume and poor space adaptability of the traditional hip reducer.

The utility model discloses an extrusion forming die for an aluminum profile of a driving device, which comprises an upper die and a lower die, a die core is arranged at the bottom of a connecting column protruding from the middle of the bottom surface of the upper die, and a plurality of flow dividing holes which are circumferentially spaced and vertically penetrate through the upper die are formed in the periphery of the connecting column; a plurality of forming holes are formed in the peripheral wall of the mold core in an inwards-concave mode and penetrate through the lower end face of the mold core, and a forming wall is arranged between every two adjacent forming holes. The forming holes comprise larger screw column forming holes and smaller tooth forming holes; a flow guide opening is formed in the position, corresponding to the screw column forming hole, of the joint of the connecting column and the mold core in a concave mode, and the flow guide opening is inwards concave and downwards extends to communicate with the screw column forming hole. The width of the forming wall is larger than that of the tooth forming hole, and a mold core flow stopping block is arranged on the forming wall in an outward protruding mode. Therefore, the structural strength of the screw column of the extruded aluminum profile can be effectively improved.

The utility model discloses a small-tooth-difference speed reducer, and belongs to the technical field of speed reducers. The small-tooth-difference speed reducer comprises an eccentric shaft. The at least two external gears are arranged on the eccentric shaft; the flange assembly comprises an outer flange and a supporting flange which are located on the two sides of the outer gears respectively, and the outer flange, the at least two outer gears and the supporting flange are connected through pin shafts; wherein a first gasket is arranged between every two adjacent outer gears, and second gaskets are arranged between the outer gears and the outer flange and between the outer gears and the supporting flange. Compared with the prior art, the speed reducer with the small tooth difference is good in damping performance, and the reliability and the service life of equipment can be effectively improved.

The invention discloses a tooth detection system and method and a storage medium, and the detection system comprises a feature extraction module, a feature projection module, a feature extraction module, a feature extraction module, a feature extraction module and a feature extraction module which are connected in sequence, the hybrid encoder module is connected to the feature projection module and is used for performing enhancement processing on the multi-scale features with the unified dimensions and outputting enhanced features; and the Transform decoder module is connected to the hybrid encoder module and is used for receiving a fixed number of object queries and outputting a tooth detection result set through iteration refinement. According to the method, detail expression and geometric consistency of the small teeth are improved, favorable bottom-layer feature support is provided for improving dependence on global context on a fuzzy sample so as to eliminate local ambiguity, and meanwhile, the adjacent teeth are more separable in query and more stable in positioning aiming at an anisotropic structure that the teeth are mainly arranged along a dental arch in the horizontal direction.

A seat turntable mechanism and a vehicle are provided. The seat turntable mechanism includes a movable disc (1) and a fixed disc (2), which are limitedly connected in an axial direction and are rotatable relative to each other in a circumferential direction. The seat turntable mechanism further includes a core member (3), a limiting member, and a drive component (4). In the core member (3), an inner toothed plate (31) is provided with an inner gear ring (a), an outer toothed plate (32) is provided with an outer gear ring (b), an eccentric component, the inner gear ring (a), and the outer gear ring (b) forms a small teeth difference planetary gear transmission mechanism, and a gap elimination component is configured to eliminate gaps between each component. The drive component (4) is in transmission connection with the eccentric component. The limiting member is configured to limit self-rotation of the outer toothed plate (32), so as to allow the outer toothed plate (32) to perform circular motion. The outer toothed plate (32) drives the inner toothed plate (31) to rotate. The inner toothed plate (31) is fixedly connected to the movable disc (1). According to the present application, the core member is used as a rotating joint, and the limiting member eliminates the eccentric movement of a seat, so that the free rotation gap of the turntable mechanism is eliminated, and the riding comfort is improved.

The utility model belongs to the technical field of fixed clamp, concretely relates to a novel adjustable intestinal obstruction catheter external fixed clamp, including catheter clamp and the adjusting rope of installation on catheter clamp, and the catheter clamp includes press type elastic reset piece, and the adjusting rope is linked with press type elastic reset piece, and the both ends of press type elastic reset piece are fixedly connected with the clamping block, and the both sides of press type elastic reset piece are fixedly connected with the anti -skid convex, the side of two clamping blocks is set up with the arc -shaped groove, and the sidewall of two arc -shaped grooves is fixedly connected with a plurality of small teeth, and the adjusting rope includes the elastic cord that is connected with press type elastic reset piece, and the outside of elastic cord is installed with spring buckle, the utility model can effectively reduce the phenomenon that the catheter drops out, and can adjust the fixed point according to the length of the intestinal obstruction catheter into the nasal cavity and move, convenient to use, simple operation reduces the nurse fixed operation time.

The utility model relates to the technical field of air pumps, in particular to an air pump machine core which comprises an air cylinder, a piston, a gearbox, a large shaft, a large tooth, a small tooth, a motor and a bearing, the air cylinder is slidably connected with one end of the piston, the other end of the piston is rotatably connected with the edge of the large tooth, the middle of the large tooth is in transmission connection with the gearbox, and the large shaft and the bearing are arranged between the large tooth and the gearbox. A center hole in the large tooth is in close-fitting connection with one end of a large shaft, the other end of the large shaft is in close-fitting connection with a center hole of a bearing, a center hole in the gearbox is in close-fitting connection with the outer side of the large shaft, a small tooth is arranged on a rotating shaft of the motor, and the small tooth on the rotating shaft of the motor is meshed with an annular tooth on the edge of the large tooth. According to the utility model, the guide bone and the stop block are arranged, so that the assembly is easy and simple, one end of the large shaft is in close-fitting connection with the large tooth, and the other end of the large shaft is in close-fitting connection with the center hole of the bearing, so that a fastening screw is saved, the cost is saved, and a station is saved.

1. Name of the product in this design: Body of the rope stopper. 2. Application of this design: The overall application of this design is as follows: This design is a rope stopper for tensioning and securing ropes and belts. It can be used in footwear and clothing. The rope or belt can extend through both sides of the rope stopper and be clamped by the small teeth inside. The product is used in certain applications as the main body of a rope stopper. 3. The key design features of this product are the shapes of the parts shown by solid lines in each view of Design 1 and the parts not covered by dark green in each view of Design 2. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: The dashed lines in the views of Design 1 and the parts covered in dark green in the views of Design 2 are for illustrative purposes only and do not constitute part of the protection claimed in this design application.

This application discloses a method, apparatus, device, medium, and product for detecting dental defects in children, relating to the field of image processing technology. The method includes preprocessing an acquired panoramic radiograph of a child to be detected to obtain a standard image of a child's teeth; extracting local and global feature vectors from the standard image of the child's teeth, and then weighted and fused the extracted local and global feature vectors to obtain a fused feature image of the teeth; extracting geometric anchor points and calibrating the coordinates of each tooth region based on the fused feature image of the teeth to obtain the positional information of each tooth; matching the defect type of a single tooth region according to the fused feature image of the teeth and the positional information of each tooth to obtain a defect identification result; and generating a detection result based on the defect identification result and the positional information of each tooth. This application improves the detection accuracy and positioning precision of permanent and deciduous teeth in children on panoramic radiographs, avoiding missed detection of small teeth.

This application discloses a shear-resistant composite toothed connection structure and test fixture, belonging to the field of composite material structure technology. The connection structure is made of unidirectional composite material tape or fabric and includes: a clamping area, a transition area, and a toothed connection area arranged sequentially along the axial direction. The toothed connection area has multiple levels of shear teeth, with the tooth height of the multiple levels of shear teeth gradient distribution from large to small along the axial direction. The shear teeth are designed with smaller tooth height and tooth root width to reduce the shear contact area of ​​a single tooth. This shear-resistant composite toothed connection structure and test fixture ensures the tensile strength of the toothed connection structure specimen and guarantees that failure occurs at the tooth root shear surface.

The utility model provides a burr polishing device for flat key production, which comprises a workbench, a positioning device arranged on the top of the workbench, a cushion table arranged on one side of the positioning device, a discharging groove arranged on one side, close to the cushion table, of the top of the positioning device, fixing plates arranged on two sides of the discharging groove, a limiting frame arranged on the top of the cushion table, and two connecting sleeves arranged at two ends of the limiting frame. A first rotating shaft is movably mounted in the two connecting sleeves, a large tooth is arranged in the middle of the first rotating shaft, one end of the first rotating shaft is connected with an electric telescopic rod, a pneumatic claw is mounted at the other end of the electric telescopic rod, two grippers are arranged on one side of the pneumatic claw, anti-slip strips are arranged on the inner sides of the two grippers, two tripods are arranged on one side of the limiting frame, and a first motor is arranged at the tops of the two tripods; a second rotating shaft is arranged at the output end of the first motor, small teeth are installed on the second rotating shaft, the small teeth are in meshed connection with the large teeth, and through the synergistic effect of the first motor, the small teeth, the large teeth, the pneumatic claw and the electric telescopic rod, the working efficiency is improved, and meanwhile the flat key machining precision is ensured.

Applicator for cosmetic material, having a central core with numerous small teeth extending outward in a dense, uniform pattern and a short, smooth base, the teeth radiating from the central core, each tooth maintaining a circular arrangement around the core, the pattern being composed by repeating rows and clusters of teeth along the length of the applicator.