87results about "Metal casings" patented technology

The utility model provides a kind of audio decoder specially matched with mobile phone, it is related to audio decoder technical field, including magnetic sheet and decoder, the decoder is magnetically attracted adaptation with magnetic sheet, the decoder includes USB-C connecting line, aluminium alloy shell and circuit board, the circuit board is located inside aluminium alloy shell, the connection of one end of USB-C connecting line and circuit board, and the other end of USB-C connecting line extends out aluminium alloy shell and is connected with vertical USB-C connector;Multiple socket components are equipped on the circuit board;The utility model will a piece of magnetic sheet be pasted on the position close to bottom of mobile phone back, and the aluminium alloy shell bottom of decoder is designed with magnet, and aluminium alloy shell can be easily adsorbed together in line with magnetic sheet, by multiple socket components on the circuit board of decoder, it is convenient to connect multiple external wires, after collocation use form is simple, wiring is neat, can adapt to mobile phone of different sizes.

This invention provides a case made of resin that combines mechanical strength, heat dissipation, and electromagnetic shielding properties. [Solution] The case comprises a metal case and a resin part. The metal case has a bottom and a side wall with a plurality of through holes. The resin part covers the metal case and has a first opening that partially exposes the outer surface of the side wall, a plurality of second openings that partially expose the inner surface of the bottom, and a plurality of connecting parts that fill the plurality of through holes and connect the inner and outer parts of the side wall.

The utility model belongs to the technical field of installation and protection of outdoor electronic equipment, and relates to a metal transportable vibration reduction box formed by bending and welding sectional materials. The defects that an engineering plastic box material is poor in secondary processability, low in size precision and poor in weather resistance, and a common metal transportable box is large in machining difficulty, long in machining period, high in cost, poor in stacking and carrying performance and the like are overcome. Box covers are respectively arranged on the left and right sides of the box body; the box cover comprises a box cover frame, a cover plate is mounted in the box cover frame, the box cover frame is integrally formed by bending and welding an aluminum alloy section I, four grooves I for bending are formed in the aluminum alloy section I, and a groove is formed in the top surface of the aluminum alloy section I; the box body comprises an open type cover plate, a lower bottom plate is arranged at a lower opening of the open type cover plate, box body frames are arranged at a left opening and a right opening of the open type cover plate respectively, the box body frames are integrally formed by bending and welding aluminum alloy sections II, four grooves II used for bending are formed in the aluminum alloy sections II, and a boss is arranged on the top face of the aluminum alloy sections II.

An electronic control device (100) includes a non-conductive resin case (7), a circuit board (5), a metal case (6), a waterproof sealing material (9), and an adhesive (1) having conductivity. The circuit board (5) has a circuit ground (GND pattern (4)) and is held on the resin case (7). The metal case (6) covers the circuit board (5) and is mounted on the resin case (7). The waterproof sealing material (9) seals the resin case (7) and the metal case (6) and performs waterproofing. The adhesive (1) having conductivity is in contact with the metal case (6) and the circuit ground, and electrically connects the metal case (6) and the circuit ground at multiple sites.

The application discloses a Ti-Nb-Al composite microalloyed cold-rolled low-carbon high-strength deep-drawing steel and a preparation method and application thereof, and belongs to the technical field of low-carbon deep-drawing steel production. The application precisely matches the amounts of Ti, Nb and Al, and the total addition amount is less than or equal to 0.25%, so that low-cost adaptation is realized, the ton steel cost is increased by less than or equal to 30 yuan, no core equipment needs to be newly added, and the existing cold-rolling production line is adapted. Through the triple mechanism of Ti solid N fine-grain, Nb precipitation strengthening and Al deoxidization purification, combined with low-temperature coiling and three-stage continuous annealing process, the traditional single microalloying is replaced, the uniform precipitation of microalloying elements is promoted, the segregation is avoided, the grain uniformity (grain size fluctuation is less than or equal to 2 mu m) is ensured, the synergistic improvement of strength and deep-drawing property is realized, the contradiction between strength and deep-drawing property is solved, the anti-aging performance is improved, the yield strength fluctuation is less than or equal to 15 MPa after 6 months of room-temperature storage, and the stamping cracking rate is less than or equal to 1%.

To provide an electric connection box with an excellent drainage property.SOLUTION: An electric connection box 1 comprises a terminal-attached electric wire 20, a housing 42, and a case 10 which accommodates the housing 42 and through which electric wires 25, 27 of the terminal-attached electric wire 20 are inserted. The case 10 includes a bottom plate portion 17 facing an installation surface 2a, legs 18 for fixing the case 10 with a gap between the bottom plate portion 17 and the installation surface 2a, and an insertion portion 15 for inserting the electric wires 25, 27 into and out of the case 10. The bottom plate portion 17 has a central portion 17c in which a drainage hole 19 is provided, and inclined portions 17a, 17b that are inclined so as to approach the installation surface 2a as they approach the central portion 17c, having a convex shape toward the installation surface 2a. The electric wires 25, 27 of the terminal-attached electric wire 20 are bent into a convex shape toward the bottom plate portion 17.SELECTED DRAWING: Figure 3

The invention provides a housing, an electronic apparatus, and a moving object. And noise leakage is suppressed. The housing is made of metal and comprises a first member and a second member, and the first member is provided with a rectangular first surface portion, a first rising portion rising from one end edge in the short side direction of the first surface portion, and a second rising portion rising from the other end edge in the short side direction of the first surface portion. The second member is provided with: a rectangular second surface section; a first contact section that rises from one end edge in the short-side direction and overlaps the outer surface of the first rising section in a contact state; and a first overlapping section that rises from the other end edge in the short-side direction and overlaps the outer surface of the second rising section with a gap therebetween. At least one of the second rising part and the first overlapping part is provided with a first protruding part, and pressure is generated between the first rising part and the first contact part by maintaining a predetermined distance between the second rising part and the first overlapping part.

The application provides a bimetallic composite material and a preparation method thereof and an electronic device. The preparation method of the bimetallic composite material comprises the following steps: injecting a second metal in a molten state into a composite cavity in a first metal in a solid state for compounding with the second metal. A static pressure is applied to the second metal in the composite cavity of the first metal, and the static pressure is maintained at least until the second metal is cooled to a solid state. Wherein, the melting point of the first metal is higher than the melting point of the second metal. By using the preparation method of the bimetallic composite material, three-dimensional compounding of the bimetallic material can be realized.

The utility model relates to the technical field of hardware spare, and disclose a spliced precision sheet metal spare, including bottom plate subassembly, its characterized in that: the both sides of bottom plate subassembly are rotatably installed with side plate subassembly no.

The application relates to the technical field of aluminum-silicon shell processing, and discloses an aluminum-silicon shell embedded with high-thermal-conductivity material and a preparation method thereof, which comprises an aluminum-silicon alloy base body and a high-thermal-conductivity core material embedded therein, and an interface transition layer is combined between the high-thermal-conductivity core material and the aluminum-silicon alloy base body; the interface transition layer is composed of a porous framework laser-sintered on the surface of the high-thermal-conductivity core material and the aluminum-silicon alloy base body filled in the pores of the porous framework; the porous framework is formed by laser-induced semi-sintering of mixed powder, and the components of the mixed powder include 15-25% of active component Ti powder in terms of mass percentage. By constructing the laser semi-sintered porous framework on the surface of the core material and combining the ultrasonic-assisted rheological die casting process, high-strength combination between heterogeneous materials is realized, and the carbide chemical bond generated by the in-situ reaction of the active titanium component in the powder and the carbon core material is combined, so that the technical problem of weak interface bonding force between the high-thermal-conductivity carbon-based material and the aluminum alloy base body is solved.

An electric heating device, in particular for a motor vehicle, includes a housing that is at least partially electrically conductive with a circumferential groove provided on its front side, and a cover formed from sheet metal, which closes the housing and engages with a circumferential edge in the groove, which contains a sealing agent. To increase the sealing of the housing while reliably shielding the electrical components housed therein, the circumferential edge has a first leg engaging in the groove and a second leg bent away from it extending therefrom, which is in electrically conductive contact with one of the boundary walls of the groove. In the method for producing the electrical heating device, the circumferential edge is inserted in the groove and a sealing agent then is introduced into the groove, which hardens in the groove.

The application discloses a modular shell structure with flexibility of sheet metal shell size and appearance quality of full-mold shell, and relates to the technical field of electromechanical equipment and electronic device shell. The shell comprises an upper metal shell, a lower metal shell and four upper and lower symmetrical round corner structure pieces; the upper and lower metal shells are frame-shaped structures formed by bending along the bending mark line after sheet metal blanking, and are combined to form a mounting cavity; the four round corner structure pieces are respectively arranged at four corners of the shell and are fixedly connected with the side wall end portions of the upper and lower metal shells; the round corner structure piece is concentric with the sheet metal bending arc of the upper and lower metal shells, the outer surface is tangent to the outer surface of the shell side wall, and a continuous and smooth arc transition is formed; the arc surface and the plane of the round corner structure piece are respectively attached to the corresponding arc surface and plane of the upper and lower metal shells, so that the appearance effect without steps and gaps after assembly is realized. The application can adapt to sheet metal shells with different length and width sizes by only developing a small round corner structure piece mold, inherits the advantages of traditional sheet metal shells without integral mold opening and flexible size adjustment, realizes the smooth appearance of full-mold shell, greatly reduces mold investment and product modification cost, and can be widely applied to various industrial machines, electromechanical control equipment, electronic power equipment and the like.

The utility model relates to grating ruler technical field discloses a grating ruler dustproof protection cover, including the bottom plate, the outer wall fixedly connected with dustproof mechanism of bottom plate, dustproof mechanism is used for sealing, the top fixedly connected with dust removal mechanism of dustproof mechanism, dust removal mechanism is used for dust removal, dustproof mechanism includes the connecting plate, the outer wall rotationally connected in the outer wall of bottom plate of connecting plate, the outer wall fixedly connected with the top plate of connecting plate, the outer wall rotationally connected with the connecting frame of top plate, the outer wall rotationally connected with the rotating frame of connecting frame, the outer wall of rotating frame is opened and is connected with the connecting assembly, the outer wall front side fixedly connected with the engagement assembly of connecting plate. In the utility model, the sliding groove is opened in the inner wall of fixed frame, the brush plate is located in the outer wall of sliding groove, the handle is located in the outer wall of brush plate, can slide when dustproof plate dust more and clean, the outer wall of fixed frame is equipped with the rotatable connection of rotating column, thereby discharging dust.

This application discloses an electronic device, relating to the field of electronic devices. An electronic device includes: a frame and a coupling element; the frame includes a metal frame and a plastic component, the metal frame has a break, the coupling element is connected to the metal frame, and regions of the metal frame located on both sides of the break are coupled through the coupling element; the plastic component wraps around the outside of the metal frame and the coupling element, and fills the break; the metal frame has a feed point, and the metal frame and the coupling element form a slotted antenna. This application at least solves the problem of low frame strength caused by the break.

This invention provides a novel cooling device for a motor controller, comprising a housing, a first heat dissipation section, a second heat dissipation section, and a cooling fan. The housing contains an isolated upper cavity, a lower cavity, and a central ventilation channel. The housing wall has an air inlet and an air outlet connecting to the ventilation channel. The first heat dissipation section includes a first mounting plate fixed to the upper cavity and first heat dissipation fins extending into the ventilation channel. The second heat dissipation section includes a second mounting plate fixed to the lower cavity and second heat dissipation fins extending into the ventilation channel. The cooling fan is mounted on the outside of the housing and connected to either the air inlet or the air outlet. The first and second heat dissipation fins are arranged alternately within the ventilation channel, extending in the same direction as the ventilation channel. This design reduces space occupation through partitioned installation of heat dissipation components and significantly improves heat dissipation efficiency through forced ventilation and the staggered fin design, making it particularly suitable for cooling motor controllers in confined, enclosed environments.

Provided are an electronic control box, an electronic control device, and an air conditioner. The electronic control box includes a box body (1), a box cover (2), and a mounting plate (4). The box body (1) includes a bottom plate (15) and an enclosing plate assembly arranged on the bottom plate (15). A cavity (16) is formed between the bottom plate (15) and the enclosing plate assembly and has an opening (161) opposite to the bottom plate (15). The enclosing plate assembly includes a first enclosing plate (11) and a second enclosing plate (12) that are opposite to each other in a first direction and a third enclosing plate (13) and a fourth enclosing plate (14) that are opposite to each other in a second direction. Each of the first direction and the second direction is perpendicular to a thickness direction of the bottom plate (15). The box cover (2) is L-shaped and includes a first cover plate (21) and a second cover plate (22) connected to the first cover plate (21). The box cover (2) is disposed at the box body (1). The second cover plate (22) covers the opening (161). The first cover plate (21) covers and is engaged with the first enclosing plate (11). The mounting plate (4) is located in the cavity (16) and disposed on the first enclosing plate (11).

The application discloses a kind of LED display screen box of quick assembly, good heat dissipation effect, belong to LED display screen box technical field.LED display screen box includes longitudinal beam, crossbeam and box periphery frame;Box periphery frame is equipped with arc surface connecting structure and flat surface connecting structure.Arc surface connecting structure is divided into arc mounting and arc locking piece, the slider of arc mounting and the half-arc fixed part of arc locking piece are engaged, realize the assembly connection of arc surface LED;Flat surface connecting structure includes universal coupling and reverse universal coupling;Plane straight structure itself is set as air supply pipe, and air outlet is set as oval air outlet, to increase air outlet area, improve heat dissipation efficiency.In addition, for the position that many heat sources in LED display screen box, set air duct, realize accurate heat discharge.Longitudinal beam, crossbeam are spliced to form box frame structure, to obtain the LED display screen of quick assembly, good heat dissipation effect.

This utility model provides an LED enclosure, including an enclosure body with an installation area on the top. Multiple LED modules are mounted on the enclosure body within the installation area. A rear cover is located at the bottom of the enclosure body, and multiple sets of clips are provided at the bottom of the enclosure body. The rear cover is detachably connected to the enclosure body via these clips, forming a wiring channel through which the wires of the LED modules pass. Connecting parts are provided at one end and one side of the enclosure body, allowing the enclosure body to connect with another enclosure body to form an assembly structure. The installation area of ​​this LED enclosure provides a stable and orderly installation position for the LED modules, ensuring that each module is closely arranged. The wiring channel centrally stores the LED module wires, achieving neat management of the wires. The connecting parts allow for enclosure assembly, meeting different splicing needs for large-scale performances, commercial displays, and monitoring scenarios, effectively improving the practicality and functionality of the LED enclosure.

This utility model discloses an EVA-sealed sheet metal enclosure, relating to the field of sheet metal enclosure technology, comprising an enclosure and a cover: a sealing structure is provided between the upper end of the enclosure and the lower end of the cover, the sealing structure including an inner sealing ring and an outer sealing ring, the inner and outer sealing rings being made of EVA material, the inner and outer sealing rings filling the gap between the enclosure and the cover; this EVA-sealed sheet metal enclosure; uses inner and outer sealing rings and retaining rings made of EVA material, which have good elasticity and aging resistance, ensuring long-term sealing stability; the retaining ring deforms under pressure to enhance sealing performance, and works with the screw to improve the overall structural strength; the inclined design of the outer sealing ring effectively guides liquid and prevents water seepage; the gasket optimizes the sealing performance at the screw installation point, avoiding local leakage; the one-piece molded EVA sealing structure simplifies the assembly process, reduces costs, and is suitable for high-protection-level application scenarios.

This application discloses an electronic device, relating to the field of communication technology. The electronic device includes a device housing, a camera, a camera decorative element, and a circuit board. The device housing includes a back cover with a through hole and is a conductive metal structure. The camera decorative element is disposed in the through hole and protrudes from the surface of the back cover. The camera is disposed within the device housing, and the camera decorative element surrounds the camera. The camera decorative element is also a conductive metal structure. The circuit board is disposed within the device housing and has a signal output area and a grounding area for transmitting radio frequency signals. The signal output area is electrically connected to the camera decorative element, and the grounding area, back cover, and camera decorative element are sequentially electrically connected to form a radio frequency loop. The camera decorative element acts as an antenna radiator and radiates radio frequency signals. Thus, the camera decorative element functions as an antenna radiator, eliminating the need for antenna design around the display module.

This invention provides an integrated display terminal, comprising: a cavity within a metal back shell, the cavity having a straight flanged edge, and a drive mounting slot within the cavity; a display panel disposed within the cavity; a drive board disposed within the drive mounting slot; a function keypad disposed within the cavity; and speakers fixed to both sides of the drive mounting slot. The drive mounting slot is recessed inward from the bottom of the cavity and includes a through-hole assembly that can accommodate different types of external plugs. By using an integrated metal back shell, the display panel, drive board, function keypad, and speaker are directly housed within the cavity, simplifying the assembly process and significantly improving production efficiency. The metal back shell also provides structural support and electromagnetic shielding, effectively reducing the overall thickness of the display terminal and achieving a slim design. The through-hole assembly accommodates various external plugs, enhancing external connectivity.

A system and method for relocating branch circuit electrical cables which enter an existing electrical enclosure, and for which additional cable length is unavailable, to a novel enclosure presenting cable entry points favorably positioned to receive the existing branch circuit cables without additional length required, and in a manner considered safe and repeatable for multiple branch circuit cables to be relocated at present or in the future.

The utility model discloses a new energy automobile magnetic ring plastic package relates to injection moulding technology field, including lower plastic shell, the fixed plate is fixedly connected on lower plastic shell, and the support cover is fixedly connected on lower plastic shell side edge, and the inner hole no.

The utility model discloses a stamping forming's load -bearing waterproof aluminum box relates to aluminum box structure technical field. Including bottom plate and shell, the shell is by aluminum profile stamping and is equipped with assembly cavity, arc side's cuboid, the bottom plate milling has the assembly groove containing first, second arc slot, arc side is glued in first arc slot, and the second arc slot fills waterproof seal, realizes accurate positioning, firm connection and multilayer waterproof. The shell roof is thick and is equipped with the reinforcing rib, and the load -bearing deformation resistance is improved. The shell front side lead hole and bottom plate lead line support plate outer interface correspond, and the outer interface clamps the soft rubber joint, and the waterproof structure is formed at the lead line place by double limit ring and elastic sleeve hole. Effectively solve the traditional aluminum box strength and waterproof insufficient problem, and adapt to multi -field component packaging protection.