85 results about "Metal backed" patented technology

The invention relates to the technical field of vacuum brazing of ceramic target materials and metal back plates, in particular to a vacuum brazing method suitable for binding of the ceramic target materials and the metal back plates, and the vacuum brazing method comprises the following steps that S1, ceramic and metal are pretreated; s2, brazing filler metal and auxiliary materials are prepared; s3, charging and vacuum control; s4, carrying out stepped heating and pressurization; and S5, cooling and post-processing. The method has the beneficial effects that the vacuum rate during brazing is adjusted in a gradient mode, temperature-pressure dynamic matching is achieved through cooperative adjustment, the performance of a vacuum brazing joint is improved, and the applicability is greatly improved.

The invention discloses a circularly polarized cavity-backed helical antenna based on a rectangular micro-coaxial process. The circularly polarized cavity-backed helical antenna mainly comprises two helical arms, a dielectric substrate printed with the two helical arms, a thin-film resistor on the dielectric substrate, two metal rings on the outer circle of the dielectric substrate, a metal sleeve, a feed rectangular coaxial line balun, a conical metal table, a wave-absorbing material and a radio frequency coaxial connector. The tail ends of the two spiral arms are connected with one ends of the two thin-film resistors respectively, the other ends of the two thin-film resistors are connected with the metal rings respectively, the dielectric substrate is placed above the metal sleeve, and the top and the bottom of the feed rectangular coaxial line balun are connected with the spiral arms and the radio frequency coaxial connector respectively. The feed rectangular coaxial line balun is embedded in the conical metal table, and the wave-absorbing material is placed above the conical metal table. The antenna provided by the invention adopts a metal back cavity structure, and has the characteristics of small overall structure size, high gain and low axial ratio in an ultra-wideband range.

An electronic device includes a metal back cover and an antenna module. The metal back cover includes a slot. The antenna module is located in the metal back cover. The antenna module includes a first radiator, second radiator, third radiator, fourth radiator, and fifth radiator. The first radiator has a feeding end. The second radiator connected to the first radiator has a contact portion which is connected to the metal back cover. The third radiator is connected to the second radiator and is located beside the first radiator. The third radiator has a first grounding terminal. The fourth radiator is connected to the second radiator and has a second grounding terminal. The fifth radiator is connected to the third radiator and the fourth radiator. Distances between the feeding end and the slot, the first grounding terminal and the slot, and the second grounding terminal and the slot all range from 3.5 mm to 10 mm.

To provide a wiring apparatus capable of improving heat radiation performance.SOLUTION: A USB outlet 10 to be attached to an attachment frame 110 includes a metal rear case 20 which is in thermal contact with a heating component and in which a projection 22 or a first opening 23 to be attached to the attachment frame 110 is formed. The back case 20 houses a first substrate 50 including a heat generating component. The front end surface of the rear case 20 and the rear surface of the mounting frame 110 are in contact with each other. The rear surface case 20 can be divided into a box body 28 and a lid body 29.SELECTED DRAWING: Figure 1

The present application relates to an electronic device comprising an NFC chip, including a first differential port and a second differential port; a metal housing, the metal housing comprising a metal back cover and a metal frame connected to the metal back cover, the metal back cover being provided with a hollow area, the metal frame being provided with a first NFC radiator, the first NFC radiator being insulated from other metal areas of the metal housing other than the first NFC radiator; a second NFC radiator, the orthographic projection of the second NFC radiator on the metal back cover at least partially overlapping the hollow area; and a third NFC radiator. The first, second, and third NFC radiators collectively form a differential current loop connected to the NFC chip, and eddy currents generated by the third NFC radiator on the metal back cover are at least partially blocked by the hollow area. The electronic device provided by the embodiments of the present application can improve the communication quality of near-field communication in the electronic device.

The present invention relates to an aerosol generating device comprising a cavity for receiving an aerosol-forming substrate and a sensing assembly for detecting the aerosol-forming substrate within the cavity. The sensing assembly comprises a multilayer substrate comprising a first outer layer defining a first side of the substrate and a second outer layer defining a second side of the substrate; an emitter configured to emit electromagnetic radiation into the cavity and provided on the first outer layer on a first portion of the substrate; a sensor configured to measure at least one wavelength of the received electromagnetic radiation and provided on the first outer layer on a second portion of the substrate; and at least one heat dissipation structure selected from a metal backing layer provided on a surface of the second outer layer of the substrate and an extended end portion of the substrate located adjacent to the first portion or the second portion. The extended end portion extends at least 5 millimeters beyond the first or second portion and does not include a conductive track on its surface.

An interactive tablet relates to the technical field of electronic equipment, and comprises a back plate (10) and a plastic rear shell (20), the back plate (10) is provided with a plurality of first fixing parts (11), the plastic rear shell (20) is provided with first kidney-shaped via holes (24) corresponding to the first fixing parts (11) respectively, the interactive tablet further comprises first fixing pieces, and the first fixing pieces are provided with second kidney-shaped via holes (24) corresponding to the first fixing parts (11) respectively. The first fixing part (24) is configured to movably penetrate through the first kidney-shaped through hole (24) and is fixedly connected with the first fixing part (11), when the first kidney-shaped through hole (24) and the first fixing part (11) are installed and matched through the first fixing part, a movable gap is formed between the hole wall of the first kidney-shaped through hole (24) and the first fixing part, and the first kidney-shaped through hole (24) is fixedly connected with the first fixing part (11). And the plastic rear shell (20) is also movably matched with the rear cover (30) and the shielding shell (50) in the cross flat plate. According to the interactive panel, the plastic rear shell (20) is adopted, the plastic rear shell (20) is easy to process, and the plastic component cost and the process cost are lower than those of a metal rear shell, so that the processing difficulty and the related cost of the interactive panel are reduced.

The utility model discloses a frame for an automobile gas cylinder and a battery, and relates to the technical field of automobile parts. The utility model comprises a composite material frame, a cover body arranged on the composite material frame, and a metal back plate symmetrically arranged on the inner side of the composite material frame. A plurality of mounting holes are arranged on the composite material frame. The composite material frame comprises a bottom plate, side walls are connected on both sides of the bottom plate, a U-shaped plate is connected on the bottom plate and the side walls, a plurality of protrusions and grooves are formed on the bottom plate, an inclined portion is formed on the upper part of the side wall, a weight-reducing hole and an extension portion are arranged on the metal back plate, and a slot matching the extension portion is arranged on the cover body. Compared with the original metal bracket, the utility model reduces the weight by about 50%, and the composite material frame has high dimensional accuracy and good toughness, a reinforcement structure is arranged on the bottom, and the structural stability is higher, so that the product performance is ensured while protecting the battery from being affected by external forces, and the manufacturing cost is low, the manual installation is convenient, and the labor intensity of personnel is reduced, so the utility model is suitable for popularization and application.

The present invention relates to the technical field of sheet metal stamping, and discloses an auxiliary component for stamping a metal back panel of a display, comprising a support platform, a hydraulic cylinder, and a servo motor. Both sides of the support platform are provided with a slide groove along its length direction, and an adsorption component is provided in the slide groove. An opening is provided in the middle of the support platform, and one end of the opening passes through the support platform, and an extension platform is slidably installed in the opening. A partition is provided at one end of the extension platform close to the inner side of the opening, and the partition is fixed between the inner walls of the opening. A first screw is rotatably installed on the partition, and the first screw is threadedly connected to the extension platform, and a first gear is fixed on the first screw. By fixing this device on a stamping machine, the metal back panel is fixed by the adsorption component, and the operation of the servo motor drives the metal back panel to move to the stamping station, and the stamping position can be adjusted, thereby avoiding manual movement of the back panel, reducing the labor intensity of the operator, and improving the stamping efficiency.

The utility model discloses a detachable elevator anti-collision plate which comprises a metal back plate and a buffer layer detachably arranged in the metal back plate. The metal back plate is C-shaped and is provided with a mounting groove for mounting the buffer layer; the metal back plate is detachably connected to the inner wall of the elevator car through a connecting piece; and the middle part of the metal back plate is provided with a mounting groove for mounting a connecting piece. The detachable metal back plate and the buffer layer are arranged, and the metal back plate is arranged on the inner wall of the elevator car through the connecting piece, so that daily maintenance and replacement are facilitated, and the maintenance cost is relatively lower. The device has the characteristics of convenience in maintenance and replacement and relatively low cost.

The invention relates to a transistor device with a metal backside field plate. Using various techniques, a metal backside field plate is formed at the end of the process. In one example, a GaN layer is grown, the HEMT is fabricated, and the substrate is thinned. A through-hole is formed through the thinned substrate and GaN epitaxy, reaching the underside of the source electrode, and then a metal back surface field plate is deposited. In another example, a recess for the backside field plate is formed completely through the thickness of the substrate, a via is formed through GaN to the source electrode, and then a metal backside field plate is deposited in the recess.

The invention relates to an ultrahigh structural column outer side veneer mounting method which comprises the steps that a steel frame is mounted on the outer side of a structural column in a circle, and a decoration panel is mounted on the outer side of the steel frame; the decoration panel comprises a decoration surface layer, a metal back plate and a supporting framework, hanging pieces are symmetrically installed on the two sides of the supporting framework, and installation grooves are formed in the hanging pieces; transversely arranged screw rods are arranged on the outer side of the steel frame corresponding to the hanging pieces; an electric hoist is installed at the position close to the top end of the steel frame, an overhanging support used for hanging the electric hoist is arranged at the position close to the top end of the steel frame, and the overhanging support overhangs and stretches out relative to the outer side of the steel frame. And the decoration panels are hoisted to the preset installation height through the electric hoist, the decoration panels are moved relative to the screw so that the decoration panels can reach the set installation positions, the decoration panels are moved so that the installation grooves of the hanging pieces can be buckled on the screw from the upper portion, and the decoration panels are sequentially installed. The decoration panel is hoisted through the overhanging support and the electric hoist, and the purpose of hoisting the decoration panel in a relatively narrow space is achieved.

The invention relates to the technical field of footwear articles, and provides a safety shooting shoe which is convenient for safety protection of feet of a shooting athlete, is not easy to hurt the feet of the shooting athlete due to collision, impact and the like, and comprises a rubber sole, a metal toe cap, a metal heel part, a mounting assembly, an elastic bandage, a breathable lining and an anti-shaking assembly, the metal toe cap is arranged on the rubber shoe sole, the metal heel part is arranged on the rubber shoe sole, the multiple installation assemblies are arranged on the metal toe cap and the metal heel part respectively and used for installing the metal toe cap and the metal heel part on the rubber shoe sole, and the elastic bandage is fixedly connected to the rubber shoe sole. The breathable lining is arranged on the rubber sole, the metal toe cap, the metal heel part and the elastic bandage cover the breathable lining, the number of the anti-shaking assemblies is two, and the two anti-shaking assemblies are arranged on the metal toe cap and the metal heel part respectively and used for fixing the breathable lining.

The utility model discloses a 90-degree FAKRA improved metal rear cover, which comprises a shielding shell, a mounting hole is arranged on the shielding shell, a rear cover assembly is arranged in the mounting hole, the rear cover assembly comprises a first baffle plate, a connecting piece, a second baffle plate, a positioning block and a boss, the first baffle plate is fixedly connected to the top end of the connecting piece, the second baffle plate is fixedly connected to the bottom end of the connecting piece, and the positioning block is fixedly connected to the bottom end of the connecting piece. The second baffle is fixedly connected with a positioning block, and the lower surface of the second baffle is fixedly connected with a boss; a wire inlet hole is formed in the mounting hole, and a groove is formed in the position, corresponding to the wire inlet hole, of the lower surface of the boss; according to the rear cover assembly of the utility model, the boss is additionally arranged on the second baffle plate as the extension section to replace the original shielding layer of the wire end, so that the high-frequency performance is improved, and the positioning block is additionally arranged on the second baffle plate and is matched with the positioning groove in the shielding shell, so that a good positioning and guiding function can be realized; and installation errors of the rear cover assembly are avoided.

Provided is a downlight including a back cover, a face ring, and a flexible light strip. The back cover includes a bottom surface and a first annular sidewall connected to the periphery of the bottom surface, the back cover is made of metal. The face ring includes an axially extending second annular sidewall, the first annular sidewall surrounds an outer side of the second annular sidewall and contacts an outer wall surface of the second annular sidewall, the face ring is made of plastic. The flexible light strip is fixed to an inner wall surface of the second annular sidewall. The composite structure of the metal back cover enclosing the plastic face ring fully leverages the high thermal conductivity of metal while utilizing plastic to reduce overall costs, achieving synergistic optimization of thermal performance and manufacturing costs.

The utility model discloses a metal backboard welding positioning tool which comprises a welding table, the outer wall of the welding table is fixedly connected with a positioning rod, the outer wall of the positioning rod is in sliding connection with a support, the top end of the support is fixedly connected with a driving assembly, and a movable rod moves in a movable groove by moving the movable rod. The movable rod drives the pressing plate to move until the pressing plate is located above the metal back plate, a handle is pushed, the handle drives the rotating disc to rotate, the rotating disc rotates on the outer wall of the threaded rod, the rotating disc moves downwards while rotating, and the rotating disc drives the pressing plate to move downwards through the connecting rod; the pressing plate moves on the outer walls of the movable rods to drive the rubber blocks to position the metal back plate, the operation is repeated, the other three movable rods above the welding table move, the four end points of the metal back plate are positioned, the multi-point positioning mode is more stable, and the welding position of the metal back plate is prevented from deviating.

The utility model provides an electronic reader with a touch screen protection structure, which relates to the technical field of electronic readers, and comprises a reader main shell, a main screen and side support frames, the upper part of the reader main shell is vertically provided with the main screen in a sliding manner, and the four sides of the outer side of the main screen are provided with the side support frames; a metal back plate is fixedly arranged on the back of the main screen, outer slopes are arranged on the four faces of the metal back plate, lower connecting sliding rods are fixedly arranged on the two sides of the bottom of the metal back plate, and lower supporting springs are fixedly arranged on the two sides of the bottom of the metal back plate. The metal backboard guides the side supporting frames to move horizontally through the outer inclined plane and the front inclined plane and extrudes the rear connecting springs to buffer the impact force, the impact stress of the main screen is reduced, the situation that the main screen is damaged due to impact is further reduced, and the problem that when the screen of the electronic reader collides with the ground or an object, the screen is damaged is solved. And the screen of the electronic reader is very easy to damage.

The utility model belongs to the technical field of metal back plate spraying jigs, and discloses a metal back plate spraying jig which comprises an installation plate, a first sliding groove is formed in one side of the installation plate, a first sliding block is installed in the first sliding groove in a sliding mode, and a first installation base is installed on one side of the first sliding block in a rotating mode. A second sliding groove is formed in the side, away from the mounting plate, of the first mounting base, a pair of second sliding blocks are symmetrically mounted at the two ends of the second sliding groove, one end of each second sliding block extends to the exterior of the second sliding groove, third sliding grooves are formed in the opposite sides of the second sliding blocks, and pressing plates are slidably mounted in the third sliding grooves; and the pressing plate extends to the exterior of the third sliding groove, and supporting plates are installed at the positions, located below the third sliding groove, of the opposite sides of the pair of second sliding blocks. The device can clamp and fix metal backboards of different sizes, and can assist the metal backboards in moving and rotating in the spraying process, so that the convenience and practicability of the metal backboard spraying jig are improved, and the production cost is reduced.

The utility model discloses a battle position first-aid kit special for a naval vessel. Comprising a bag body, and the bag body is made of nylon 66 coated cloth; a lifting buckle and a lifting handle are arranged at the top of the bag body; fixing straps and fixing hasps are arranged on two sides of the bag body; fixing shoulder straps are arranged on the side surfaces; a red cross mark is arranged on the front surface of the bag body; an H-shaped metal back fork is arranged on the back of the bag body, and fixing belt buckles made of fixing belts are arranged on four convex parts, corresponding to the metal back fork, of the back of the bag body; and the convex part of the H-shaped metal back fork is fixed in the fixing belt buckle. The system provided by the utility model has the advantages of strong adaptability to complex environments, strong portability, improved utilization rate, obvious module distribution and identification and the like.

The construction method comprises the steps that a steel frame is installed on the outer side of a concrete stand column, and the steel frame forms a functional space used for laying an air pipe and a fire fighting pipe system on one side of the concrete stand column; a decoration panel is installed on the outer side of the steel frame and comprises a decoration surface layer, a metal back plate and a supporting framework, hanging pieces are symmetrically installed on the two sides of the supporting framework, and transversely-arranged screw rods are arranged on the outer side of the steel frame and correspond to the hanging pieces; and the decoration panels are hoisted to the preset installation height through hoisting equipment, the decoration panels are moved relative to the screws so that the decoration panels can reach the set installation positions, the decoration panels are moved so that the installation grooves of the hanging pieces can be buckled on the screws from the upper portion, and the decoration panels are sequentially installed along the concrete stand columns from bottom to top. On one hand, the ultrahigh integrated stand column is provided, and on the other hand, the problem that the positioning difficulty is large due to the fact that plates are heavy in weight during aloft work is solved through cooperation of the hanging pieces and the screw rods.

An orthopaedic implant includes a patella component having a metal base with a polymer bearing molded thereto. A method for making a patella component is also disclosed.

The invention discloses a display device. The display device comprises a display screen; the rear shell is positioned on one side of the display screen; the metal backboard is located between the display screen and the rear shell, the metal backboard is used for fixing the display screen, and the metal backboard comprises a board body; the convex hull is arranged on the plate body, the convex hull protrudes in the direction away from the display screen, a first surface is formed on the top of the convex hull, and a threaded hole is formed in the first surface; the reinforcing part protrudes outwards or is concaved inwards in the first surface; the circuit board is arranged on the side, facing the rear shell, of the metal backboard, and a fixing hole is formed in the circuit board; and the screw passes through the fixing hole and is in threaded connection with the threaded hole so as to fix the circuit board at the top of the convex hull. According to the display equipment provided by the embodiment of the invention, the hardness of the material at the top of the convex hull on the metal back plate and the reinforced part are enhanced, so that the strength of the front surface and the side surface of the threaded hole is improved, and the deformation resistance of the front surface and the side surface of the threaded hole is effectively enhanced.

An electronic device includes a metal back cover and an antenna module. The metal back cover includes a slot, and the antenna module is located in the metal back cover. The antenna module includes a first radiator, a second radiator, a third radiator, a fourth radiator, and a fifth radiator. The first radiator has a feed-in end, the second radiator is connected to the first radiator, and has a contact portion that is in contact with the metal back cover. The third radiator is connected to the second radiator and is located beside the first radiator, and has a first ground end. The fourth radiator is connected to the second radiator and has a second ground end. The fifth radiator connects the third radiator and the fourth radiator, and the feed-in end, the first ground end, and the second ground end are all located between 3.5 mm and 10 mm from the slot.

The invention relates to a projectile catcher as a mobile module comprising a sheet metal back plate (5), two side plates of sheet metal (4), an openable roof sheet, a front structure (2) mounted internally to the side plates (4) between a floor plate and a roof plate, made of a plurality of elements of bent plate profiles assembled into one or more plates in height and with openings for projectile passage in the form of hexagons, squares or rectangles Further, a dense fabric (12) is positioned on the side of the front structure (2) facing the back plate (5) forms a dense space for a projectile stopping material (13) which is in the form of granules. The mobile module houses the projectile stopping material in a sealed container with a floor plate (7) with an emptying hatch a distance from the floor.

The utility model discloses a lift car skirting board device which comprises a lift car and a skirting board body, a main body of the skirting board body is a metal back board, the periphery of the metal back board is folded inwards to form a right-angle folded edge, at least two reinforcing ribs are arranged on the inner side of the metal back board, longitudinal reinforcing square pipes are arranged at the two ends of the reinforcing ribs, and the longitudinal reinforcing square pipes are connected with the skirting board body. And the thickness of the longitudinal reinforcing square tube is smaller than that of the right-angle folding edge at the periphery of the metal back plate. The skirting board body is arranged at the lower end of the inner side of an elevator car. Machining technologies such as electric welding and bolt fastening are mainly applied, the structure is simple, and installation and replacement are convenient.

The invention discloses a large-amplitude piezoelectric ultrasonic ceramic transducer with an acoustic surface and columnar structures, which comprises a metal front cover plate, a piezoelectric ceramic crystal stack and a metal rear cover plate which are sequentially connected through bolts, and is characterized in that columnar structures which are uniformly distributed are arranged in a metal circular truncated cone of the metal front cover plate; evenly-distributed wedge-shaped body holes are inwards formed in the outer wall of the metal circular truncated cone, evenly-distributed surface ring grooves are further formed in the outer wall of the metal circular truncated cone, and evenly-distributed surface groove structures are formed in the outer surface of the metal rear cover plate in the height direction. According to the transducer, the columnar structures which are uniformly distributed in rows and columns are arranged in the metal front cover plate to form a columnar near-period phononic crystal junction, so that a radial band gap is formed during ultrasonic propagation, the radial vibration of the transducer is effectively inhibited, the displacement distribution of a radiating surface of the transducer is improved, the working efficiency and precision of the transducer are improved, and the energy consumption of the transducer is reduced. And the mechanical strength and stability of the transducer are enhanced, and the transducer is suitable for the fields of plastic welding and traditional Chinese medicine extraction.

The invention discloses a metal backboard automatic stamping production device which comprises a stamping mechanism used for installing a stamping die to stamp a metal backboard; the blanking mechanism is used for mounting a blanking die and blanking the periphery of the metal back plate when the die is not opened after the stamping mechanism stamps; and the polishing mechanism is arranged on the blanking mechanism and is used for polishing and deburring the blanked edges of the periphery of the metal back plate after blanking and in the resetting process along with the blanking mechanism. During use, the stamping mechanism firstly stamps the metal back plate to form a required shape structure, when the stamping mechanism also presses the metal back plate, the blanking mechanism blanks the periphery of the metal back plate to form a required size, and then the polishing mechanism polishes and removes burrs on the blanked edge after the blanking mechanism performs blanking and in the resetting process. The punching and blanking of the metal back plate and the polishing of the blanking edge can be completed on the same equipment, and the processing and production efficiency is higher.

An electronic device includes a metal back cover, a metal frame, a first antenna module and a second antenna module. The metal frame includes a first and a second disconnection portion, a first and a second connection portion. The first and the second connection portion are connected to the metal back cover. The first disconnection portion is separated from the first connection portion, the metal back cover and the second disconnection portion to form a first slot. The second disconnection portion is connected to the second connection portion and is separated from the metal back cover to form a second slot. The first antenna module is connected to the first disconnection portion, and forms a first antenna path. The second antenna module is connected to the second disconnection portion, and forms a second and a third antenna path with the second disconnection portion and the metal back cover.

An antenna structure is arranged on a metal back cover. The metal back cover has an L-shaped slot, which has first and second partitions respectively arranged along a first direction and a second direction that are perpendicular to one another. The antenna structure includes an L-shaped radiating element that partially overlaps with the second partition and includes a first radiating portion, a second radiating portion, and a grounded radiating portion. The first radiating portion and the second radiating portion extend along the second direction. One end of the second radiating portion is connected to the first radiating portion. A first feeding point is disposed between the first radiating portion and the second radiating portion. The grounded radiating portion is extended along the first direction and connected to another end of the second radiating portion. The grounded radiating portion has a first grounded side grounded through a capacitive element.

The utility model discloses a blood analysis electrical box metal rear cover, which comprises a blood analysis electrical box main body and a metal rear cover fixed on the blood analysis electrical box main body, the metal rear cover comprises a metal rear cover main body, the metal rear cover main body is provided with a fixing groove, the bottom of the fixing groove is provided with a main board fixing position main board, and the main board fixing position main board is fixed on the metal rear cover main body. The mainboard is arranged on the mainboard fixing position and is positioned through the positioning structure; the fixing cover plate is locked and fixed on the fixing groove, and the fixing cover improves the stability and durability of the metal rear cover and ensures the accurate position of the mainboard through the arrangement of the fixing groove of the metal rear cover and the mainboard fixing position and the addition of a positioning structure.