24results about How to "Reduce horizontal size" patented technology

This invention discloses a coaxial dual-cavity optical detection system, relating to the field of gas detection, which solves the problems of poor portability and low laser utilization in existing equipment. The system includes an air inlet, two coaxially arranged cavities with the inner cavity located inside the outer cavity, a vent, an outlet, a plano-concave mirror, and symmetrical window mirrors. The two cavities are interconnected through the vent, allowing for gas filling and exhaust with a single gas path. Coaxial parallel plano-concave mirrors are installed within the cavities, working in conjunction with an external reflector, convex lens, and detector to guide refracted light incident on the inner cavity into the outer cavity for utilization, forming a closed loop in the optical path of the two cavities. This system significantly reduces longitudinal and lateral dimensions, improving portability; simultaneous dual-cavity detection improves detection accuracy; the utilization of refracted light enhances laser utilization and sensing efficiency; and the increased effective optical path within a limited volume improves gas detection sensitivity, making it suitable for trace gas detection.

This application discloses a driving device, comprising: a base; a lens focusing section including: a focusing carrier movably mounted on the base; a focusing coil mounted on one side of the focusing carrier; and a common magnet disposed opposite to the focusing coil; and a chip-mounted image stabilization section including: a movable image stabilization carrier movably mounted on the base; at least one image stabilization magnet disposed on the base, opposite to the common magnet; and an image stabilization coil disposed on the movable image stabilization carrier, opposite to the image stabilization magnet and the common magnet; wherein the base includes an upward extension and a bottom lateral extension, the bottom lateral extension extending horizontally, the upward extension extending from the bottom lateral extension along the optical axis towards the object side of the base, the upward extension forming a magnet mounting position for mounting the common magnet, and the image stabilization magnet disposed on the bottom lateral extension.

The utility model provides a heating assembly and an electronic atomization device, the heating assembly comprises a support and a heating body, and one side of the support is provided with an atomization groove penetrating to the two ends in the axial direction; the heating body comprises a heating part covering the atomizing groove and two supporting parts arranged at the two ends of the heating part in the extending direction of the atomizing groove, each supporting part is bent and extends along the periphery of the support from the heating part, and the supporting parts and the support are fixedly assembled. The heating body comprises a heating part which covers the atomization groove and is used for providing heat and further comprises two supporting parts which are arranged on the two sides of the heating part in the extending direction of the atomization groove, each supporting part is attached to the periphery of the support and extends in a bent mode, the supporting parts and the support are fixedly assembled, and therefore the whole heating body and the support can be fixedly assembled, and the heating effect is improved. The structural stability of the heating body can be ensured through the supporting part, and the heating part is prevented from deforming, warping and the like; the transverse size of the heating body is reduced, the compactness of the overall structure of the heating assembly is improved, and miniaturization design can be achieved conveniently.

This application discloses a joystick device and a control device. The joystick device includes a support base, a joystick, a swinging member, and a reset assembly. The joystick is provided with a pressing part; the swinging member includes a first end and a second end disposed opposite to each other, the first end contacting the pressing part, and the second end being rotatably connected to the support base; the reset assembly is disposed on the support base; the reset assembly contacts one end face of the first end away from the joystick; wherein, when the pressing part presses the first end, the second end rotates relative to the support base, and the reset assembly drives the first end to reset. The joystick device of this application can reduce the lateral dimension, thereby reducing space occupation. In addition, the first end of the swinging member contacting the pressing part and the second end of the swinging member being rotatably connected to the support base make the joystick easier to push or return, improving the user experience.

The invention relates to the field of antennas, and particularly discloses a dual-polarized antenna, which comprises a slot antenna layer for radiating a first polarized wave and a microstrip antenna layer for radiating a second polarized wave, wherein the slot antenna layer comprises a waveguide structure, the waveguide structure comprises a plurality of radiation units arranged along a first direction, and each radiation unit comprises a plurality of radiation slots extending along a second direction; the micro-strip antenna layer comprises a plurality of micro-strip oscillator units arranged along a first direction, and each micro-strip oscillator unit comprises a plurality of micro-strip oscillators arranged along a second direction; the microstrip antenna layer is arranged on the slot antenna layer, at least one microstrip array unit is arranged between the radiation units, and projections of the microstrip arrays and the radiation slots on the waveguide structure are not overlapped; the antenna is simple in structure, has the characteristics of low profile, miniaturization and light weight, can obtain the electromagnetic scattering characteristics of a target in different polarization directions, and is suitable for a high-frequency dual-polarized antenna.

This utility model discloses an electric vertical takeoff and landing manned aircraft, including an aluminum alloy frame, a vibration damping assembly, a right guardrail connected to one side of the aluminum alloy frame, and a left guardrail connected to the other side via a pivot seat. The vibration damping assembly includes a first carbon fiber tube and a vibration damping seat fitted on the first carbon fiber tube. The upper and lower vibration damping seats are fastened with bolts through the penetration between the first carbon fiber tube and the aluminum alloy frame. The rubber vibration damping pad absorbs high-frequency vibration energy through its own elastic deformation, effectively blocking the direct transmission of vibration to the frame. The axial anti-roll bracket forms an elastic clamp on the sleeve through rubber clips. This clamping force can be flexibly adjusted by the hardness of the rubber clips, which greatly reduces the vibration felt in the cockpit area. Both the first and second carbon fiber tubes are made of carbon fiber composite material, which has a weak ability to reflect sound waves and can reduce the transmission efficiency of propeller aerodynamic noise.

A pressing device for a cutting machine includes a pair of parallel mounting plates, a support roller horizontally fixed between the mounting plates, a pressing roller liftable above the support roller, an upper and lower guide mechanism symmetrically arranged inside the mounting plates to constrain the pressing roller to move only in the vertical direction, a reset mechanism providing a continuous downward elastic pressing force to the pressing roller, and an eccentric cam fixedly connected to the end of the pressing roller and rotatably connected to the mounting plates. When the eccentric cam rotates, it drives the pressing roller to rise through its eccentric profile to form a fabric inlet gap. After reset, the pressing roller is pressed against the fabric by the reset mechanism. The vertical projections of the support roller, pressing roller, reset mechanism, and eccentric cam on the horizontal plane at least partially overlap along the length of the mounting plates. The eccentric cam enables convenient fabric loading and unloading without cumbersome disassembly procedures. Simultaneously, the compact layout of each component reduces the lateral space occupied, solving the problem of excessively large transport dimensions caused by the outward protrusion of traditional mounting plates. It balances the need for fabric wrinkle prevention with the transport efficiency of the cutting machine, reducing transportation and operating costs.

The invention relates to the technical field of faucets, in particular to a faucet and a control method.The faucet is characterized in that a water outlet mechanism and a rotating mechanism are communicated through a hot water output pipe and a normal-temperature water output pipe, and an electromagnetic valve electrically connected with an adjusting mechanism is arranged on the normal-temperature water output pipe and arranged in a horizontal shell; therefore, a special installation space does not need to be reserved in the vertical shell for containing the electromagnetic valve, the height and the transverse size of the vertical shell are reduced, the overall structure of the faucet is more compact, and the problem that an electromagnetic valve in an existing faucet is often arranged in the vertical shell, and consequently the electromagnetic valve cannot be installed in the vertical shell is effectively solved. The problems that the overall height of the faucet is increased and the size is large due to the fact that enough inner space needs to be reserved in a vertical shell to contain a valve body are solved.

The application relates to a cleaning base station and a cleaning system, which are used in cooperation with a cleaning robot, wherein the cleaning robot comprises a cleaning piece and a robot main body for driving the cleaning piece to rotate; the cleaning base station comprises a base, a limiting structure and a cleaning tank, the limiting structure and the cleaning tank are arranged on the base, the robot main body can be fixed on the base in an inclined or vertical mode through the limiting structure, meanwhile, the cleaning piece is also at least partially inserted into the cleaning tank to interact with cleaning liquid, the cleaning piece rotates, and the cleaning liquid is uniformly attached to the cleaning piece, so that the cleaning piece is cleaned; through cooperation of the base, the limiting structure and the cleaning tank, the cleaning robot can be fixed on the cleaning base station in an inclined or vertical mode for cleaning, and the transverse size of the base can be greatly reduced, so that the volume of the cleaning base station is reduced, and the packaging and carrying of the cleaning base station are facilitated.

The utility model relates to the technical field of temperature measurement, in particular to an optical fiber temperature sensor for an electrostatic chuck of a wafer etching machine, which comprises a sensor body, a connecting piece, a locking piece, an elastic piece and a limiting piece, the end parts of the limiting piece, the elastic piece and the locking piece are propped against one another in sequence; the locking piece is locked with a temperature measuring hole of an object to be measured, the elastic piece is compressed, the elastic piece pushes the limiting piece and the connecting piece to move when stretching, and the connecting piece drives the sensor body to go deep into the temperature measuring hole. According to the utility model, the locking piece, the elastic piece and the limiting piece are all sleeved on the outer wall of the connecting piece and are axially stacked instead of radially expanded, so that the transverse size is reduced, and a narrow mounting environment of the wafer etching machine is adapted; the elastic piece releases elastic force after being extruded by the locking piece and continuously pushes the limiting piece and the connecting piece, so that the front end of the sensor body is always tightly attached to the inner wall of the temperature measuring hole, and the elastic force of the elastic piece can still keep stable contact even under the influence of vibration.

The invention discloses a lens structure, a light source and detection equipment, the lens structure specifically comprises a positive lens part and a side lens part which are integrally formed, the positive lens part is arranged between the two side lens parts, and the positive lens part is used for enabling a positive main light beam to be incident by a positive light bead and orthogonally incident on a detection station; the side lens part is used for allowing the side light bead to enter a side main light beam and obliquely irradiating the side main light beam on the detection station; and a reflecting surface is formed on the end part, far away from the positive lens part, of the side lens part, and is used for reflecting a side secondary light beam of an opposite side light lamp bead on the detection station after penetrating through the opposite side lens part. According to the structure, the positive light lamp beads and the side light lamp beads can emit light to the corresponding lens parts in a compact space, so that the overall transverse size and the overall longitudinal height are remarkably reduced. Meanwhile, the reflecting surface is formed on the side lens part, so that the overall efficiency of side light illumination is improved, the lamp bead power does not need to be additionally increased, and the power consumption is further reduced. Therefore, the arrangement volume of the light source and the power consumption can be reduced.

This application relates to the field of tracked walking mechanism technology and discloses a walking mechanism for a multi-functional robot, mainly composed of a driven wheel assembly. The driven wheel assembly is movably arranged at the left end of the chassis. The driven wheel assembly consists of a driven wheel, a guide plate, a support column, and a support plate. The middle part of the guide plate is movably sleeved with the driven wheel, and a tensioning device is fixedly arranged at the right end of the guide plate. In this invention, the tensioning device elongates by pumping in grease, and simultaneously shortens by the slow overflow of grease. When the tensioning device shortens, the tension of the track assembly decreases, allowing the driven wheel and guide plate to slide left and right on the support column. This effectively facilitates the removal and detachment of the track assembly from the drive assembly, enabling rapid replacement of components in the multi-functional robot's walking mechanism. Compared to the traditional operation of removing the articulated track plates of the track assembly, this effectively reduces maintenance time and labor intensity.

The utility model discloses a novel counterweight guide mechanism, which relates to the technical field of logistics equipment and comprises a counterweight frame, a guide rail, a shock-absorbing universal ball with an internal spring and a chain connecting rod. The guide rails are two pieces of equilateral angle steel welded to the inner sides of the stand columns, the shock-absorbing universal balls with the springs inside are attached to the outer side wall of the balance weight frame in a locked mode, the ball ends of the universal balls are attached to the guide faces of the equilateral angle steel through compression springs, and the chain connecting rods are used for being connected with the lifting tray. The equilateral angle steel is adopted to replace a traditional linear guide rail and matched with the shock-absorbing spring universal ball to achieve low-precision installation adaptation, the equilateral angle steel can be formed without precision machining and welding, and the cost is reduced compared with that of the linear guide rail. The balance weight frame is located between the two stand columns and suitable for compact equipment. The problems that an existing linear guide rail guiding mechanism is high in installation precision and cost and large in occupied space are solved, the technical effects of being low in cost, easy to install and capable of saving space are achieved, and the linear guide rail guiding mechanism is suitable for various logistics hoisters and lifters.

The utility model relates to a seepage monitoring test device which comprises a box body, a sand stabilization assembly, an instrument assembly and a seepage monitoring device, the sand stabilization assembly is arranged in the box body; the sand stabilization assembly is used for preventing filler in the test device from sliding down and overflowing; the instrument assembly is used for acquiring data required by the test device; the seepage monitoring device is used for calculating and processing the data acquired by the instrument assembly so as to obtain a seepage distribution condition and seepage flow data; the instrument assembly is coupled with the seepage monitoring device through electric signals. According to the device, the seepage dynamic state of a dam is simulated, seepage distribution and seepage flow are monitored and calculated, and meanwhile, the accuracy of a seepage calculation method is compared and analyzed through most direct manual observation; the device is small in size, low in comprehensive cost and easy to apply and popularize, and components are common instruments.

The invention provides a trench type silicon carbide MOSFET device and a preparation method thereof, and the preparation method comprises the following steps: providing a semiconductor substrate, forming a first epitaxial layer, a second epitaxial layer and a third epitaxial layer on the semiconductor substrate, forming a well region and a source region in the epitaxial layers, etching to form a virtual groove, wherein the virtual groove extends into the third epitaxial layer from the source region; ion implantation is carried out in the virtual groove to form an ion implantation region, the ion implantation region extends to the first epitaxial layer, and the conduction type of the ion implantation region is the same as that of the well region; respectively depositing a first insulating layer and a first polycrystalline silicon layer in the virtual groove to form a virtual groove structure, then forming a gate groove structure, forming a gate side wall on the side wall, higher than the source region, of a second polycrystalline silicon layer in the gate groove, and etching the second polycrystalline silicon layer in the gate groove until the top of the second polycrystalline silicon layer is lower than the upper surface of the source region; and forming an interlayer dielectric layer and a front metal layer.

The utility model relates to the technical field of washing machines, in particular to a roller washing machine. The drum washing machine comprises a box body; the door body comprises a door main body, the door main body is provided with a hinged end and a rotating end which are distributed in the horizontal direction, the hinged end is hinged to the box body so as to open or close the clothes throwing opening, and an observation opening is formed in the door main body and penetrates through the door main body in the thickness direction of the door main body; one end of the observation window is located in the observation opening and seals the observation opening, and the other end of the observation window protrudes out of the observation opening towards the rear side of the door body; the door body is provided with a first edge located at the hinged end and a second edge located at the rotating end, the maximum horizontal distance between the axis of the observation opening and the first edge is L1, the maximum horizontal distance between the axis of the observation opening and the second edge is L2, and L1 is smaller than L2. The difficulty of opening and closing the door body of the roller washing machine by a user can be reduced.

The utility model relates to a fire fighting shouting investigation lighting unmanned plane, aims at solving the current fire fighting unmanned plane generally adopts fixed wing or non collapsible structure design, leads to its lateral size is bigger, is difficult to pass through door and window, corridor narrow entrance, thereby fixed wing unmanned plane enters the building inside, needs manual disassembly wing after reassembly, serious delay investigation opportunity technical problem, including: fuselage, the four machine arms with the spiral propeller that the outer periphery side of fuselage evenly distributed have, the top between four machine arms is connected with the apron through detachable component, the utility model drives the eccentric arc -shaped groove through fixed column to push and pull machine arm when driving assembly drives the disc rotation, realizes machine arm along the guide slide rail assembly telescoping, thereby enters narrow lane, door and window before, machine arm shortens and can reduce lateral size, easily passes through narrow channel, compared with the fixed wing unmanned plane, avoids delaying investigation opportunity by omitting the step of disassembly wing.

An electrical connector and an electrical connector assembly, the electrical connector comprising a housing and conductive terminals, the housing comprising a base provided with a plurality of terminal channels passing through from a rear surface to a front surface of the base, the conductive terminals being arranged in the terminal channels and exposed from the front surface of the base to form contact end portions; and a guide portion extending forwardly from the front surface of the base to form mating end portions, the mating end portions being spaced apart from the front surface of the base by a distance greater than that of the contact end portions of the conductive terminals, side surfaces of the guide portion being provided with seating grooves for insertion of the conductive terminals, the seating grooves being in communication with the terminal channels such that portions of the conductive terminals are arranged in the terminal channels and portions are arranged in the seating grooves. The present application provides an electrical connector and an electrical connector assembly with compact structure, which can effectively reduce the lateral dimension of the electrical connector while still meeting the requirement of the creepage distance.

The utility model relates to a planar end-on-fire antenna suitable for 915MHz and 2.45 GHz dual-frequency communication, and belongs to the field of wireless communication antennas. The antenna comprises a director unit, an active oscillator unit, a coaxial feed line, a reflector unit and a dielectric substrate. The upper surface of the dielectric substrate is provided with a left radiator and a coaxial feeder in the active oscillator unit; a right radiator, a coaxial feeder, a reflector unit and a director unit in the active oscillator unit are arranged on the lower surface of the dielectric substrate; the coaxial feeder line is located in the middle of the dielectric substrate, the active oscillator unit is bilaterally symmetrical about the coaxial feeder line, and the coaxial feeder line is connected with the left radiator and the right radiator respectively; the upper end and the lower end of the coaxial feeder are respectively connected with the active oscillator unit and the reflector unit; the two ends of the reflector unit are provided with reflector folding parasitic units. The adjustable performance of structural parameters of the antenna supports customization of radiation patterns and frequency characteristics according to specific application scenes.

The utility model discloses a leg structure and a biped robot, and relates to the technical field of robotics.The leg structure comprises a hip lateral extension assembly fixing base and two hip lateral extension assemblies fixedly installed on the hip lateral extension assembly fixing base respectively, and the two hip lateral extension assemblies are arranged in a front-back staggered mode along the output axis of the hip lateral extension assemblies; the mounting directions of the two hip lateral extension assemblies are opposite. According to the leg structure, by means of the arrangement mode of the hip lateral extension assemblies which are staggered front and back and are opposite in installation direction, the transverse size of the hip is reduced, the movement flexibility in a narrow space is improved, and meanwhile load balanced distribution and rich gait movement are achieved through a reasonable force transmission path; and the limitation of a traditional structure on the joint movement range is broken through to adapt to high-difficulty actions, so that the application adaptability of the biped robot in many fields is enhanced.

The invention discloses a medium-long-focus optical lens, a camera module and terminal equipment. The medium-long-focus optical lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are arranged from an object plane to an image plane along an optical axis; at least one of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens is a metasurface lens, and the other lenses are aspheric lenses. According to the invention, at least one metasurface lens is introduced, and the plane structure and the phase regulation and control capability of the metasurface lens are utilized, so that the required focal power is realized, and meanwhile, the axial size and the transverse size of the lens are remarkably reduced, and therefore, the light and thin and miniaturized design requirements are met; meanwhile, by controlling the proportional relation between the TTL and the size and focal length of an image circle, it is ensured that the lens still has a compact structure and good imaging performance under the long-focus condition.

The utility model discloses a hydraulic pressure shears rail device, include: hydraulic pressure shears main part, the movable cavity is formed in the hydraulic pressure shears main part inside, fixed shear plate is arranged in the one side of hydraulic pressure shears main part below movable cavity, the middle axle sleeve is provided with two, two middle axle sleeve is arranged in the both sides of hydraulic pressure shears main part respectively, and the middle axle sleeve extends to movable cavity, hydraulic telescopic link, hydraulic telescopic link is set up in movable cavity through the middle axle sleeve, movable shear plate, movable shear plate is located in movable cavity and is connected with the movable end of hydraulic telescopic link, and movable shear plate is connected with fixed shear plate through fulcrum axle. The application is through setting movable cavity and is completely built -in in the inside of hydraulic pressure shears main part with hydraulic telescopic link, middle axle sleeve and movable shear plate, thereby makes the device whole structure is very compact, and the volume is reduced significantly.

The utility model relates to the technical field of fruit processing, in particular to a fruit quantitative slitting and packaging combined device which comprises a bottom frame. An electric push rod is connected to the top of the supporting plate, the output end of the electric push rod extends into the bottom frame to be connected with a push plate, the push plate is slidably connected with the bottom frame, a plurality of rollers are rotatably connected into the bottom frame, a supporting frame is connected to the left end of the bottom frame, and a motor is connected into the supporting frame. The output end of the motor is connected with a turntable, the front end of the turntable is connected with an auxiliary rod, the outer end of the auxiliary rod is movably connected with a straight groove frame, the top of the straight groove frame is connected with a connecting plate, the top of the connecting plate is connected with a limiting rod, and the limiting rod is slidably connected with the supporting frame; through the structural design of linkage of the cutting board and the rotating disc, automatic continuous operation of pressing-in, dicing and reciprocating cutting of fruits is achieved, the slitting efficiency and the cutting quality are improved, and the fruit cutting machine meets the efficient processing requirement of small and medium-sized fruit processing scenes.