23results about How to "Improve connection rigidity" patented technology

The utility model provides an integrated two-piece assembled centrifugal fan blade structure which comprises an upper half part and a lower half part, the upper half part comprises a blade assembly and a wheel cover, and the lower half part is a wheel disc; with the central axis P of the wheel cover as the axis, the wheel cover, the blade assembly and the wheel disc coaxially correspond to each other; an air inlet is formed in the center of the wheel cover, the blade assembly comprises a plurality of arc-shaped blades, an air outlet channel is formed between every two adjacent blades, an air inlet is formed in one end of each air outlet channel, an air outlet is formed in the other end of each air outlet channel, and the air inlets are communicated with the air inlets; the wheel cover and the blade assembly are integrally formed and machined to form an upper half part, and the upper half part and the lower half part are connected with the wheel disc in a riveted mode through the blade assembly. The wheel cover and the blade assembly are integrally machined through the CNC engraving and milling technology, so that the connecting strength and the overall rigidity of the wheel cover and the blade assembly are effectively enhanced, the air suction force is improved, and the higher rotating speed can be achieved to meet the use requirements of consumers.

The invention discloses a design method of an anti-sliding supporting wall baffle and an anti-sliding supporting retaining wall. The anti-sliding supporting retaining wall comprises a supporting wall baffle and an auxiliary mechanism. The supporting wall baffle comprises a plurality of wall units, the adjacent wall units are elastically connected, and each wall unit comprises a bottom beam. A plurality of stand columns are arranged at the tops of the bottom beams at intervals, and the bottom beams are movably connected. The stand columns are vertically connected to the bottom beam, adjusting inhaul cables are arranged on the peripheral side close to the bottom, and a transverse adjusting mechanism is arranged between every two adjacent stand columns. The transverse adjusting mechanism is connected with the two stand columns. The auxiliary mechanism comprises a controller, a deformation monitor arranged on the adjusting inhaul cable, a perpendicularity monitor arranged on the stand column and a soil quality monitor. The overall anti-sliding capacity of the wall protection baffle is improved through the modular design of the wall protection baffle, and after monitoring is conducted before construction and during construction, a proper construction scheme is adopted in corresponding operation, so that refined construction is achieved, and the anti-sliding performance is effectively enhanced.

This utility model relates to a charging pole transformer substation. The technical problem this utility model aims to solve is to provide a charging pole transformer substation. The technical solution adopted by this utility model includes a transformer substation frame, a transformer substation door assembly, and a transformer substation rainproof top cover. The transformer substation frame includes a load-bearing beam assembly and supporting crossbeams. The load-bearing beam assembly includes a load-bearing beam, a load-bearing beam end cap, and a main connecting pin for the crossbeam. The load-bearing beam includes a rounded transition portion and a connecting portion. The connecting end of the load-bearing beam is provided with a T-shaped interface, and the inner and outer sides of the load-bearing beam are provided with T-shaped limiting ports. The advantages of this utility model are: the transformer substation frame is connected by a rounded transition of the load-bearing beam, reducing stress concentration and improving bending resistance and seismic performance; the load-bearing beam end cap and the crossbeam are fixed together by three-point screws through the connecting pin connection hole, the crossbeam threaded hole, and the end cap connection hole, forming a multi-point locking structure, resulting in a stable connection, high strength, and resistance to loosening.

The utility model relates to a kind of miniature direct-current brushless motor, including shell, and shell is equipped with accommodating cabin;With the motor rear cover and motor front cover of accommodating cabin seal connection;Stator core is equipped in accommodating cabin;With the rotor assembly matched with stator core;PCBA board is equipped in accommodating cabin;Motor rear cover is equipped with electric connection interface, electric connection interface is operatively electrically connected to PCBA board;The center of motor rear cover is equipped with the stator support shaft extending into accommodating cabin, stator core is fixedly sleeved on stator support shaft;Motor front cover is equipped with insert sealing joint part, insert sealing joint part is used to insert into gear box and form sealed connection with gear box;The output end of the motor shaft of rotor assembly extends outward through insert sealing joint part.It replaces traditional motor.The miniature direct-current brushless motor can effectively solve the problems in the prior art through innovative structural design, improve the performance, reliability and service life of motor in smart home device.

The application relates to the technical field of communication equipment installation, and provides a device fixing support and communication equipment, wherein the device fixing support comprises a main fastener, an adapter and a fastener, the main fastener is suitable for being connected with a fixed object, one side of the main fastener is formed with a protruding part along a first direction; the adapter is suitable for being connected with a communication device, one side of the adapter is formed with a recessed part matched with the protruding part; one of the side surfaces of the protruding part and the side surface of the recessed part is provided with a groove, and the other is provided with a boss matched with the groove; the groove is provided with a first penetrating hole, and the boss is provided with a second penetrating hole; and the fastener is penetrated in the first penetrating hole and the second penetrating hole to fix the main fastener and the adapter. The protruding part of the main fastener is tightly matched with the recessed part of the adapter, the connection rigidity is enhanced, the structural stress of the connection position is reduced, the boss and the groove provided on the side matching surface of the main fastener and the adapter are limited and matched, the fastener is matched with the main fastener and the adapter, and the installation is convenient.

The utility model discloses a commercial vehicle electric mechanical recirculating ball steering gear with a two-stage reducing mechanism, which comprises a worm and gear reducing mechanism and a ball screw pair which are arranged in a steering gear shell, and a transition connecting shaft, a planetary gear reducing mechanism and a driving motor are sequentially arranged at one end of a worm on the steering gear shell along the axial direction of the worm; the planetary gear speed reducing mechanism comprises a sun gear shaft, a plurality of planetary gear shafts are arranged in the circumferential direction of the sun gear shaft, an outer gear ring is arranged on the inner wall of a planetary gear speed reducer shell, a transmission disc is connected between rotating shafts of the planetary gear shafts, and a transmission shaft coaxially connected with the transition connecting shaft is arranged on the transmission disc. A rotating shaft of the sun gear shaft is fixedly connected with a rotating shaft of the driving motor through a first coupler, and the transition connecting shaft is fixedly connected with the worm through a second coupler. According to the utility model, heavy-load output of the steering gear can be realized; manufacturing cost is low, whole vehicle arrangement is facilitated, and the steering gear is convenient to maintain, disassemble and assemble; and the steering gear works stably and reliably.

The utility model discloses a pouring mold frame for autoclaved aerated concrete blocks, and belongs to the technical field of pouring mold frames. An autoclaved aerated concrete block pouring mold frame comprises a bottom plate, the top face of the bottom plate is detachably connected with at least one pair of long side plate and short side plate, the long side plate and the short side plate are connected through a corner locking mechanism, the long edge and the short edge of the bottom plate are each provided with a first groove extending in the length direction, and sealing gaskets are arranged in the first grooves. When the bottom ends of the long side plate and the short side plate abut against the sealing gaskets, the first grooves are filled with the sealing gaskets, the top face of the bottom plate and the bottoms of the long side plate and the short side plate form a sealing structure, a second groove extending vertically is formed in the middle of the outer side wall of the short side plate, the sealing gaskets are arranged in the second groove, and when the outer wall of the long side plate abuts against the sealing gaskets. According to the utility model, an effective sealing mechanism can be formed among the short side plate, the long side plate and the bottom plate, so that the leakage condition in the pouring process is greatly reduced.

The utility model relates to the technical field of superhard cutting tools, and discloses a PCBN tool assembly which comprises a boring tool bar and a boring tool handle detachably installed at the bottom end of the boring tool bar, an installation base is installed at one end of the boring tool bar, a tool body is installed in the installation base, an installation mechanism is arranged in the tool body, and the installation mechanism is connected with the boring tool bar. According to the utility model, the mounting mechanisms are arranged, the mounting mechanisms are matched with each other, and an axial and circumferential double-locking structure is adopted, so that the clamping stability of the tool main body can be obviously improved, and the loosening caused by cutting vibration is avoided; the boring machining precision and the cutting safety are guaranteed, the double locking is matched with the transmission self-locking structure, the cutter body is effectively prevented from moving and deflecting, the connection rigidity is improved, heavy-load intermittent cutting is adapted, and the service life of the PCBN cutter is prolonged.

The utility model provides a gear transmission belongs to the technical field of gearbox, it has solved the existing gearbox easy wear and other technical problems. The gear transmission, including the shell, rotatably installed with input shaft, output shaft and shift drum in the shell, is provided with three groups of shift grooves on the shift drum, is provided with three shift forks on the shift drum, the shift fork includes cylinder portion, fixed portion and prong portion, is equipped with fixed hole on the fixed portion, this fixed hole extends from the fixed portion and is through to the inner chamber of cylinder portion, and the axis of fixed hole and the radial line of transmission and shift drum center coincide, is provided with fixed link in the fixed hole, one end of fixed link goes into the shift groove and is matched with this shift groove, is provided with transmission between first driving gear and second driving gear, third driving gear and fourth driving gear and fifth driving gear and sixth driving gear respectively. The utility model prolongs the service life of gearbox, improves its reliability under high pressure working condition such as racing car.

A license plate lamp suitable for an electric vehicle comprises an upper cover, a lower cover matched with the upper cover and a license plate lamp body, the license plate lamp body is arranged in a closed space formed by the upper cover and the lower cover, and an electric vehicle fixing connector connected with the electric vehicle is arranged at the tail end of the upper cover. A license plate lamp transparent cover and a projection lamp transparent cover are arranged on the lower cover, and the included angle between the projection lamp transparent cover and the projection lamp transparent cover in the clockwise direction is an obtuse angle. The independent projection lamp is introduced into a traditional license plate lamp structure, the license plate lamp transparent cover and the projection lamp transparent cover are arranged on the lower cover in a matched mode, and the clockwise included angle between the license plate lamp transparent cover and the projection lamp transparent cover is the obtuse angle, so that light rays of the license plate lamp directly face a license plate area, light rays of the projection lamp are projected to the ground, and LOGO or pattern display can be formed. According to the structure, one lamp body has two functions, the requirements for traffic compliance and appearance individuation are both considered, the whole vehicle design sense is improved, and organic integration of the functions is achieved through the included angle design and the lamp body integration mode.

The utility model discloses a kind of cooperation structure of sky screen sunroof guide rail and left and right fixed seat, including guide rail and fixed seat, the guide rail and fixed seat are connected, the guide rail bottom is provided with connecting strip, the connecting strip is installed on ceiling, the connecting strip one end is provided with plug-in interface, plug-in block is provided on the fixed seat, and the plug-in block is plugged with plug-in interface;First mounting hole is provided on the fixed seat, and second mounting hole is provided on the guide rail. Through the plug-in cooperation of plug-in block and plug-in interface, the quick pre-positioning and initial connection of guide rail and fixed seat are realized, and the installation efficiency is improved. In combination with the second mounting hole on guide rail and the first mounting hole on fixed seat, final firm connection can be carried out through fastener, ensuring the reliability and stability of connection. The double cooperation of plug-in and fastening makes positioning more accurate, avoiding position deviation in the installation process.

The utility model discloses a motor fixing and damping device which comprises a motor, fixing seats fixed at the front end and the rear end of the motor and rubber pads fixed between the fixing seats and the motor, the rubber pads isolate direct contact between the motor and the fixing seats, and cover plates at the front end and the rear end of the motor are provided with a plurality of through holes. At least two positioning columns matched with the through holes are fixed to the side, facing the motor, of the rubber pad, and the positioning columns are clamped into the through holes to prevent the motor from rotating in the radial direction. Vibration energy is absorbed through elastic deformation of the rubber pad, the vibration amplitude and noise transmitted to the fixing base are effectively reduced, meanwhile, radial rotation of the motor is prevented through cooperation of the positioning column and the through hole of the cover plate, and the operation stability is enhanced; the design of the mounting grooves and the U-shaped holes simplifies the assembly process, oil-resistant and high-temperature-resistant synthetic rubber materials and reinforcing supporting ribs are combined, the durability of the device in a complex environment is remarkably improved, the service life of equipment is prolonged, and the requirements for low cost and efficient maintenance are met.

The utility model relates to the technical field of grinding equipment, in particular to a glass ceramic vertical grinding thinning motorized spindle which comprises a motorized spindle body, a rotating shaft is coaxially arranged on the motorized spindle body, a grinding wheel support is arranged on the rotating shaft, a grinding wheel is arranged on the grinding wheel support, a fixed sleeve is arranged on the grinding wheel support, and the fixed sleeve is provided with a fixed shaft. The fixed sleeve is coaxially connected to the rotating shaft in a sleeving mode, a fixing assembly is arranged between the grinding wheel support and the rotating shaft, a lock nozzle positioning taper hole is formed in the end, away from the electric spindle body, of the rotating shaft, a standard lock nozzle is inserted into the lock nozzle positioning taper hole, a milling cutter is arranged on the standard lock nozzle, and the milling cutter is connected with the grinding wheel support. The milling cutter and the rotating shaft are coaxially arranged, and a fastening assembly is arranged between the standard locking nozzle and the rotating shaft. The mobile phone rear cover grinding device has the advantages that the machining yield of the mobile phone rear cover is increased, the product quality is improved, and meanwhile the grinding precision of the mobile phone rear cover is improved.

This invention belongs to the field of metal casting equipment technology and discloses an extra-large centrifugal casting mold, including a base assembly; the lower end of a mold assembly is fixedly connected to the base assembly; the upper cover assembly is connected to the upper end of the mold assembly, and the two together form the forming cavity of the casting; the upper cover assembly has a pouring hole; it also includes a rigid constraint frame, which includes multiple longitudinal load-bearing members evenly distributed along the circumference, the lower end of each longitudinal load-bearing member is fixedly connected to the base assembly, and the inner sides of each longitudinal load-bearing member surround and are fixed to the outer circumferential surface of the mold assembly; it also includes multiple sets of thermally actuated clamping mechanisms, which are correspondingly installed on the upper part of each longitudinal load-bearing member; each thermally actuated clamping mechanism includes a driving member arranged radially along the mold and a pressure member connected to the inner end of the driving member; this invention has good rigidity, can effectively adapt to thermal deformation, and has accurate positioning, reliable sealing, and the core vulnerable parts can be quickly replaced.

This utility model relates to the field of air spring technology and discloses a lightweight air spring die-casting part, including an upper cover plate. An air spring bladder is connected to the bottom surface of the upper cover plate, and a base is connected to the lower end of the air spring bladder. Specifically, the upper cover plate includes a protective plate with an arc-shaped cross-section. Multiple through slots are formed on the upper surface of the protective plate. A mounting plate is fixedly installed on the bottom surface of the protective plate, and a connecting seat is fixedly installed at the center of the bottom surface of the mounting plate. Reinforcing ribs are also provided on the upper surface of the mounting plate. In this utility model, through integrated die-casting technology, the arc-shaped protective plate and the star-shaped reinforcing ribs form a hollow support frame. Combined with the through-slot hollow design, material usage is reduced, while the reinforcing ribs are fully fitted to the bottom surface of the protective plate to form a distributed force transmission path.

The application relates to a combined air unit frame connecting structure, which comprises a plurality of frame rods, reinforcing rods, corner connecting pieces for connecting the frame rods and intermediate connecting pieces for connecting the frame rods and the reinforcing rods; the corner connecting piece comprises a bearing base, a first plug connected to the bearing base and used for transversely connecting the frame rods and a second plug used for longitudinally connecting the frame rods; outward first convex structures are arranged on two mutually-perpendicular side walls of the second plug; the intermediate connecting piece comprises a connecting plate and a plug-in block arranged on the connecting plate, the connecting plate is fixed on the frame rod, and the plug-in block is used for plugging in the reinforcing rod; the plug-in block has at least one partially concave side wall. The modular connecting structure designed in the application has high assembly efficiency, light structure quality, high connecting rigidity and is suitable for application places with large air volume and high static pressure.

The utility model relates to an electric flip damper, motor assembly contains the casing of containing cabin, sealed connection rear end's motor rear cover and front end's motor front cover, and the motor front cover is equipped with the plug-in sealing joint part of extending to the front, and the stator core, rotor assembly and PCBA board are equipped in containing cabin, and the motor shaft of rotor assembly extends through plug-in sealing joint part, gear box connects motor front cover, and plug-in sealing joint part inserts gear box inner wall and forms sealed connection, and at least one planetary reduction mechanism is equipped in gear box, and its output end is connected output shaft, and the drive gear of motor shaft extension end fixation is located in gear box, and directly engages the input element of driving planetary reduction mechanism, the advantages are: plug-in sealing structure blocks the invasion of water vapor / dust, improves the reliability of severe environment, cancels the traditional flange connection, simplifies the assembly process, and reduces the processing / maintenance cost.

The utility model discloses a kind of stamping die for aluminum veneer processing, it is related to stamping processing technical field, including male die and female die, the bottom of the female die is fixedly connected with mounting plate, the four corners of female die top are all fixedly connected with guide rod, the top of female die is placed with male die. The utility model is through setting male die, female die, mounting plate, guide rod, accommodating groove, fixed mechanism, moving plate, sliding block, guide frame, guide slot, clamping plate, non-slip pattern, stabilizer, compression spring, driving mechanism, screw rod, rotating block and the cooperation of supporting rod, solve the installation mode of existing equipment mainly rely on bolt fixation, this leads to when replacing die, operator needs to manually align bolt hole, and each is tightened or disassembled operation, this fixing mode not only step is complicated, time-consuming is longer, and significantly reduce the problem of die changing efficiency.

The invention relates to the technical field of vehicle parts, and particularly discloses a suspension connecting structure which is used for connecting a suspension system and a vehicle body and has a first direction, a second direction and a third direction which are intersected pairwise. The suspension connecting structure comprises a shock absorber supporting panel, the shock absorber supporting panel is provided with a shock absorber mounting hole and a shock absorber fixing hole, the shock absorber mounting hole and the shock absorber fixing hole penetrate through the shock absorber supporting panel in the third direction, and first extending parts are arranged on the two opposite sides of the shock absorber supporting panel in the second direction. The first extension part is provided with a first mounting point and a second mounting point which are used for being connected with a vehicle body, the first extension part is provided with a mounting part and a reinforcing block which extend downwards in the third direction, and the mounting part and the reinforcing block form a mounting groove used for mounting a control arm in the second direction. The invention further discloses a vehicle. By arranging the suspension connecting structure, modular installation of the suspension system and the vehicle body can be achieved, and the assembly difficulty of the suspension system and the vehicle body is effectively reduced.

The utility model discloses a flexible light photovoltaic module rigid auxiliary reinforcing structure, which comprises a plurality of long-edge reinforcing ribs and a plurality of short-edge reinforcing ribs, a module plugboard is arranged on one side of a top plate, a plurality of slots are arranged on the module plugboard, a module fixing mounting plate is arranged at the bottom of the module plugboard, and the long-edge reinforcing ribs and the short-edge reinforcing ribs are arranged on the top plate. A connecting plate is arranged between the two clamping plates, inserting blocks are arranged at the two ends of the connecting plate respectively, inserting holes are formed in the inserting blocks respectively, bolts can be installed in the inserting holes, and efficient and reliable right-angle connection between the long-edge reinforcing ribs and the short-edge reinforcing ribs of the assembly is achieved. The short-side reinforcing ribs are accurately inserted into the slots in the long-side reinforcing ribs through the insertion blocks arranged on the two sides, and are matched with a quick locking mechanism of the bolts and the insertion holes, so that the connection rigidity is remarkably improved, convenient mounting and dismounting operations are realized, in addition, the reinforcing ribs are made of polyurethane materials, the structural strength is ensured, and the service life of the reinforcing ribs is prolonged. And the lightweight design of the assembly is effectively realized.

The utility model discloses a rotary compressor and refrigeration equipment with the rotary compressor. The rotary compressor comprises a shell, a rotating shaft and a rotating shaft, the motor is arranged in the shell and comprises a stator, the stator comprises a stator iron core, the outer circumferential wall of the stator iron core is provided with a plurality of protruding parts, the protruding parts are arranged at intervals in the circumferential direction of the stator iron core, the number of the protruding parts is N, at least part of the protruding parts are connected with the inner circumferential wall of the shell in a welded mode, the number of welding spots is M, and N / M is larger than or equal to 1 and smaller than or equal to 4. According to the rotary compressor provided by the utility model, the contact area of the stator core and the shell can be ensured, and the reliability and stability of the connection of the stator core and the shell are ensured while the motor performance is ensured, so that the retention force of the fixation of the stator and the shell is ensured, and the connection rigidity of the stator and the shell is improved; the problem of welding deformation of the motor can be solved, the service life of the motor is prolonged, the overall performance of the rotary compressor is improved, and the noise problem and the vibration problem of the rotary compressor can be solved.

The application belongs to the technical field of scaffolds, and particularly relates to a disc buckle type scaffold. The overall structure at the two ends of the horizontal rod is arranged at the upper end of the connecting disc, the unilateral stress concentration problem caused by the fact that the construction load directly acts on the local area of the connecting disc in the traditional scaffold is changed, and therefore the stress uniformity and structural durability of the connecting disc are effectively improved. The end of the horizontal rod is provided with a mounting portion with a locking hole, the locking hole can be matched with the locking area on the vertical rod, the displacement or rotation of the horizontal rod in the use process is effectively limited, and the stable connection between the horizontal rod and the vertical rod is realized. In addition, at least one group of horizontal rods which are arranged perpendicularly to each other in the horizontal plane are connected on the same vertical rod, the vertical rod can form a spatial stable structure with at least two surrounding vertical rods through the structural design, the overall structural stability requirement can be met without being connected with all the vertical rods in four directions, the safety is ensured, and the installation and dismounting efficiency of the scaffold is significantly improved.