20 results about "Flanging" patented technology

The utility model discloses a sound unit, including the basin frame and the magnetic circuit component, is equipped with the exposed window on the basin frame, the magnetic circuit component has the magnetic gap, the magnetic circuit component includes the side huasi, the side huasi includes the body and the flanging of being linked, the flanging is set up to the exposed window, is equipped with the air hole of the flanging and is connected with the magnetic gap of outside, this sound unit structure is novel, and the side huasi adds the flanging and utilizes the flanging to isolate the sound absorption particle, has cancelled the setting of the mesh / metal screen, has simplified the structure and the assembly process of sound unit, is favorable to improve the production efficiency of sound unit, reduces the assembly cost of sound unit.

The application relates to the technical field of sensors, in particular to a ceramic capacitive temperature and pressure sensor which comprises a pressure port seat, a base, a ceramic capacitor, a temperature sensing assembly, an NTC adapter plate, an electric connector and a PFC circuit board; the pressure port seat and the base are connected through embedding and double sealing to ensure lossless pressure transmission; the base and the temperature sensing assembly are supported in layers through NTC struts to prevent deviation and short circuit; the NTC adapter plate realizes non-perforation signal transfer and protects the ceramic capacitor structure; the electric connector and the base are quickly connected through clamping, and the PFC circuit board is adapted to deviation and anti-interference through elastic flanging and flexible grounding arms. The sensor solves the problems of structure damage, signal distortion and low assembly efficiency in the prior art, is suitable for high-pressure, vibration and narrow-space working conditions, and has high temperature and pressure detection precision and high stability.

The utility model relates to a hanging type vehicle-mounted sound box which comprises a long cylindrical shell, the surface of the shell is provided with an installation clamping groove along the extending direction, the surface of the shell is provided with a first installation through hole, and the interior of the shell is provided with an installation cavity communicated with the first installation through hole and a hanging installation strip connected with the installation clamping groove in a clamping mode. The hanging installation strip is fixedly connected with a hanging piece and a first sound mechanism connected with the first installation through hole, the first sound mechanism comprises a first sound shell, a first loudspeaker and a first sealing piece, the first loudspeaker and the first sealing piece are arranged in the first sound shell, the side edge of the first sound shell extends outwards to form a first turned edge, and the first turned edge extends outwards to form a second turned edge. And the first flange presses the first sealing element to be fixedly connected with the shell around the first mounting through hole. According to the hanging type vehicle-mounted sound equipment disclosed by the utility model, the first sound equipment shell has certain sealing performance, so that a user can maintain the first loudspeaker in the first sound equipment shell more easily.

The utility model relates to abrasive disc production equipment technical field especially relates to a hole ring marking device for abrasive disc hole, including conveying mechanism, positioning mechanism and laser, conveying mechanism is used for conveying hole ring, the both sides of conveying mechanism are equipped with limit plate, the laser sets up the top of conveying mechanism, the hole ring includes annular part and limit cylinder, annular part coincides with the axis of limit cylinder, the both ends of limit cylinder are open and its one end is fixed at the opening of annular part, the fixed hole is seted up on annular part, the fixed hole on annular part is equipped with flanging, flanging is located annular part one side close to limit cylinder, the end of limit cylinder away from annular part falls to conveying mechanism, one side of conveying mechanism is equipped with guide plate, the end of guide plate close to conveying mechanism is lower than annular part and extends to the downside of annular part, is used for blocking flanging. Hole ring can rotate to adjust the position of fixed hole on hole ring, thereby avoiding the label of subsequent laser to fall on fixed hole.

The utility model discloses a distribution roller type blank-pressing self-inserting device, which relates to the technical field of cold roll forming and comprises two self-inserting bases, a plurality of telescopic iron roller bearing seats are mounted on opposite sides of the two self-inserting bases, and every two telescopic iron roller bearing seats form a group. A telescopic iron roller is installed on each telescopic iron roller bearing seat, flanging wheels are installed at the two ends of each telescopic iron roller, and the width of a gap between a miniature bearing and the telescopic iron rollers can be changed by adjusting an adjusting screw on the roller type edge pressing device, so that the contact pressure is changed; the space between the telescopic iron rollers is large, so that the change condition of the color steel plate body passing through different flanging wheels can be clearly observed, the color steel plate body and the steel belt continue to move forwards, the small vertical edge of the color steel plate body can be rolled by the flanging wheels, the small vertical edge can continue to be folded due to rolling of the flanging wheels, and in the process, the color steel plate body can be conveniently folded. And the small vertical edge can wrap the small folded edge of the steel belt to finish the folding action, so that the self-insertion action of one edge of the composite board is realized.

The utility model discloses a micro loudspeaker and electronic equipment, micro loudspeaker includes basin frame, sound film and front cover, and sound film includes the outer fixed part of connecting basin frame, and the outer fixed part includes this department and sets up the edge covering department along this department brim, and the edge covering department is located the outside of basin frame, and the inner peripheral wall of edge covering department contacts basin frame, the front cover cover is established on sound film, and the front cover has the flanging of being located the outside of edge covering department, and the flanging has the boss circle of extruding edge covering department. The flanging of front cover of micro loudspeaker has the boss circle of extruding sound film edge covering department, and the partial area of edge covering department can be close -fitted the outer wall surface of basin frame after being extruded by the boss circle, thereby forms the waterproof structure of additional, reaches the effect of improving micro loudspeaker waterproof performance. Moreover, the existence of boss circle is also favorable to improving the structural strength of flanging, is favorable to guaranteeing the structural stability of front cover.

The utility model relates to a detachable air screw compressor acoustic enclosure, which comprises a ventilator enclosure and a main machine enclosure, the main machine enclosure comprises a plurality of independently detachable module plates, a connecting assembly is arranged between adjacent module plates, and the connecting assembly comprises a support frame which is filled and supported in a mounting through hole formed between the module plates, the module plate is arranged on the supporting frame, the supporting turnup is pressed on the side walls of the supporting frame and the module plate in an abutting mode, the cover plate covers the side, away from the supporting turnup, of the module plate and is fixedly connected with the supporting turnup, and the connecting assembly plays a role in vertically limiting and vertically supporting the module plate. The detachable acoustic shield is adopted, daily inspection and maintenance are facilitated, the labor intensity of workers is reduced, and the enterprise cost is reduced. Meanwhile, the ventilation and heat dissipation effects are good, and air screw compressor equipment in the acoustic shield can be protected; noise discharged during normal operation of the air screw compressor is effectively reduced, and a relatively comfortable working environment is created.

The utility model relates to the technical field of automobile parts, in particular to a fastening belt flanging assembly which comprises a first fixing belt and a second fixing belt, the first fixing belt and the second fixing belt are fixedly connected through a fixing steel plate and a first adjusting bolt, and a buffering belt is fixedly installed at the lower end of the first fixing belt. The first fixing band and the second fixing band are folded to be L-shaped and placed at the outer end of the truck fuel tank, the second connector is fixed to one end of the fuel tank support, then the inner end of the first connector is inserted into the fixing column, and the second connector is fixed to the end, away from the second fixing band, of the first fixing band. The front end of a second adjusting bolt penetrates through a threaded hole and is in threaded connection with a built-in threaded hole in the fuel tank supporting frame, a buffer strip at the lower end of a first fixing strip is pressed on the outer wall of the fuel tank by adjusting the second adjusting bolt and the first adjusting bolt, the fuel tank is fixed, the fuel tank is prevented from being abraded or broken due to vibration of an automobile while the fuel tank is pressed, and the service life of the fuel tank is prolonged. And the safety is high.

The utility model discloses a sound unit, including basin frame, metal conducting part and metal mesh cover, be equipped with insulating retaining wall on the basin frame, be equipped with limit slot on the insulating retaining wall, the metal conducting part is embedded in the basin frame, the metal conducting part has the outer soldering pad that exposes in the basin frame, the outer soldering pad is located the outside of insulating retaining wall and is higher than the bottom surface setting of insulating retaining wall, the metal mesh cover has the flanging, and the partial area of flanging stretches into the limit slot. The insulating retaining wall on the basin frame not only can play the role of positioning metal mesh cover, but also can isolate the outer soldering pad on the basin frame and the flanging of metal mesh cover, thereby avoiding the external power supply structural member when welding conduction with the outer soldering pad, soldering tin contacts the flanging of metal mesh cover, leads to the poor welding, is favorable to improve the production yield of sound unit, reduces the risk of complaint.

The utility model relates to a motorcycle sound box host which comprises an upper shell, a lower shell, a second turnup and a button main body, wherein the upper shell is provided with a plurality of button through holes; the side edge of the inner side surface of the upper shell is provided with a first turnup; the lower shell is correspondingly assembled with the upper shell in a matched manner; the button main body comprises a gasket and a protruding button part which is arranged on one surface of the gasket and has a plurality of functions, the button main body is arranged in a mounting cavity formed between the upper shell and the lower shell, and the first flange and the second flange press the side edge of the button main body, so that the button main body is arranged in the mounting cavity. And the plurality of button parts are arranged corresponding to the positions of the plurality of button through holes. According to the motorcycle sound box host machine disclosed by the utility model, moisture outside a motorcycle cannot pass through the first flanging, the second flanging and the sealing performance of the side edge connecting part of the button main body, so that the sealing performance is greatly improved.

This invention discloses a flanged composite material air intake duct molding fixture, relating to the field of air intake duct molding fixture technology. It includes a core module, which forms the inner molding surface of the air intake duct component. The core module has a relatively upper first end face and a relatively lower second end face along its length, and includes several outer core molds. By redesigning the air intake duct molding fixture, a hard, non-soluble structure can be used as the core mold for the air intake duct component. Furthermore, after molding, it can be removed from the complex molding surface within the air intake duct component. This process avoids chemical pollution and the waiting period for the core mold to dissolve. Therefore, compared to traditional air intake duct component molding methods, the demolding speed is faster after molding, reducing environmental costs and avoiding potential chemical pollution problems. Moreover, during the molding of the composite material, the core mold will not react with the composite material at high temperatures.

The utility model discloses a centering support piece and sound production unit, centering support piece includes internal fixed part, cantilever part and outer fixed part, the cantilever part is connected internal fixed part, outer fixed part is connected cantilever part, outer fixed part has welding area, the insulating isolation part is protruding on outer fixed part, and the insulating isolation part is close to the welding area setting. This centering support piece structure is novel, and the protruding insulating isolation part can isolate the welding area, and the area of the metal mesh cover's flanging in the sound production unit that is close to outer fixed part is located the side that insulating isolation part is away from welding area, so that the centering support piece is welded with external structure, and the soldering tin will not contact the flanging of metal mesh cover, effectively avoids the poor welding, and it is favorable to improve the production yield of the sound production module or electronic product that carries sound production unit.

The embodiment of the invention provides a lock catch mounting structure and a vehicle body structure, the lock catch mounting structure comprises a first C-column reinforcing plate, a second C-column reinforcing plate, a lock catch reinforcing plate and a plurality of flanging structures, the lock catch reinforcing plate is used for mounting a lock catch body, the second C-column reinforcing plate is provided with a placing groove, the lock catch reinforcing plate is fixedly arranged in the placing groove, and the flanging structures are arranged in the placing groove. The first C-column reinforcing plate is fixedly connected with the second C-column reinforcing plate, at least one flanging structure is arranged on the periphery of each of the first C-column reinforcing plate and the second C-column reinforcing plate, and the flanging structures are used for improving the structural strength of the first C-column reinforcing plate and the second C-column reinforcing plate. By means of the arrangement, the overall structural strength of the lock catch installation structure is improved, the resonant frequency of the installation point of the lock catch body can be far away from the easily-coupled frequency band of a vehicle body structure sound cavity, and therefore the resonance peak value is restrained, vehicle body low-frequency roar and medium-frequency vibration noise in the driving process are reduced, and the subjective sound quality and riding comfort of a whole vehicle are improved; the problem that the lock catch installation structure is low in strength is solved.

The invention discloses an automatic edge rolling, shaping and flanging forming machine for a soft belt, belongs to the field of strip punch forming, solves the problem that an existing forming machine cannot close up a material, and adopts the technical scheme that the automatic edge rolling, shaping and flanging forming machine mainly comprises a feeding mechanism, a shaping mechanism, an edge rolling mechanism, a flanging transfer mechanism and a flanging mechanism, the feeding base conveys materials to the shaping base, an acute angle is formed between the axial direction of the core rod and the length direction of the feeding channel, the upper edge rolling die and the lower edge rolling die extrude the core rod to conduct edge rolling forming on the materials, the upper edge rolling die presses the material cutting mechanism to cut the materials in the descending process, the pushing-out mechanism pushes the formed materials into the material storage hole, and the material storage hole is opened. And the first die and the flanging and closing-up seat jointly extrude the material in the material storage hole to finish flanging and closing-up. According to the automatic edge rolling machine, the edge rolling, shaping, flanging and closing-in processes of the materials can be automatically achieved, and the production efficiency of the materials is improved.

The utility model discloses a wind wheel and fan equipment, the wind wheel comprises a hub and a plurality of blades, the plurality of blades are arranged on the peripheral side of the hub and are arranged at intervals along the circumferential direction of the hub, the blades are provided with outer edges far away from the hub in the radial direction of the wind wheel, the outer edges are provided with turnups, and the turnups are provided with flanges. The turnup is arranged along the outer edge in an extending mode, and the turnup bends and extends towards the air inlet side of the wind wheel. According to the wind wheel, the vortex noise at the blade top position is reduced, the noise value of a part of frequency bands is weakened, and the overall use experience is improved.

The invention discloses a pipe fitting surface hot hole flanging forming machining device and method, belongs to the technical field of pipe fitting hot machining, and aims to solve the problems that bent pipe fitting hole flanging clamping and positioning are difficult and the like. The device comprises a lower female die, a left female die, a male die assembly, a right female die and a support, a first arc-shaped positioning groove is machined in the upper end face of the lower female die, the bent radial inner side outer wall of the pipe fitting is attached to the first arc-shaped positioning groove in a matched mode, the left female die abuts against the left side of the upper portion of a pipe section where a base hole is located, and the right female die abuts against the right side of the upper portion of the pipe section where the base hole is located. A flanging outer hole is formed between the left female die and the right female die, the flanging outer hole is matched with the outer wall of a flange of a to-be-formed flanged hole, the upper surface of the male die body is matched with the inner wall of the flange of the to-be-formed flanged hole, the male die body is vertically arranged at the upper end of the support in a sliding mode, and the lower end of the support is connected with a lower platform of a press machine. And the upper end of the bracket is bent and extends into the pipe fitting. According to the device, the pipe fitting can be prevented from deviating due to uneven stress in the machining process, and meanwhile, the occupied external space is reduced.

The utility model discloses an electronic label fixing piece which comprises a mounting plate and an electronic label body, the mounting plate is bent outwards along two sides of the length direction to form turnups, the width of the turnup located at the bottom is larger than that of the turnup located at the top, positioning strips are arranged on the inner sides of the two turnups, the positions of the two positioning strips correspond to each other, and the positioning strips are arranged on the mounting plate. According to the electronic label, the installation plate is arranged, the installation plate is bonded and fixed to the goods shelf through the double-sided tape, the electronic label body and the installation plate are inserted into the positioning groove in an aligned mode through the positioning strip, and therefore the electronic label can be installed conveniently. And the electronic label body can move on the mounting plate in the length direction to adjust the position, and after the electronic label body is adjusted to a proper position, the position of the electronic label body is locked through the retention piece, so that the stability of the electronic label mounted on a goods shelf is improved, the position of the electronic label is convenient to adjust to adapt to the adjustment of the position of goods, and the safety of the goods shelf is improved. The practicability is high.

The invention provides an anti-cracking flanging process which comprises the steps that a controllable deformation compensation belt is preset on the outer side of a to-be-flanged line of a blank, the width W of the compensation belt meets the formula # imgabs0 #, and the process universality is enhanced by accurately calculating the size of the compensation belt; the blank is subjected to flanging forming, in the forming process, the compensation belt absorbs the tensile stress of the root of the flanging, the main strain area is transferred to the compensation belt, the compensation belt absorbs the bidirectional tensile stress, the main strain area of the root of the flanging is transferred to the compensation area, the punching speed does not need to be reduced or the annealing procedure does not need to be added, and the production efficiency is improved by 18%-25%; the size precision is guaranteed through a step-by-step trimming process (the compensation belt is reserved firstly and then cut off secondarily), the compensation belt is cut off finally, the space of a finished product is not occupied, and meanwhile the strength of the flanging root is improved through the design of the pre-machining depth h (0.5-2 mm) and the transition radius R1.