199results about "Fastening means" patented technology

This invention belongs to the field of mechanical transmission design, specifically relating to an easily detachable spline connection kit and its usage method. The invention proposes an easily detachable spline connection kit, including a spline connection structure and a disassembly fixture. The spline connection structure includes an inner spline shaft, a retaining ring, and an outer spline shaft. The inner spline shaft has an outer retaining ring groove in its shaft hole and an inner retaining ring groove in its shaft portion. Axial positioning is achieved by embedding a retaining ring in the outer and inner retaining ring grooves. The inner spline shaft has several axial retaining ring disassembly grooves spaced apart at the shaft hole opening, extending inward beyond the outer retaining ring groove. The disassembly fixture includes a sleeve and a screw. The sleeve has a clearance fit with the inner spline shaft and a threaded hole aligned with the retaining ring disassembly groove for screwing in the screw. Compared to existing structures, this significantly improves connection strength and reliability while also making disassembly easier.

A connector plug having a quick locking structure, and a connector. The connector plug comprises a plug housing (1) and a coupling cap (2), wherein the coupling cap (2) has a cavity (27) formed in the axial direction; the coupling cap (2) is sleeved on an insertion end (11) of the plug housing (1); the coupling cap (2) can rotate relative to the plug housing (1); and an elastic member (3) is provided in a gap between the plug housing (1) and the coupling cap (2), and two ends of the elastic member (3) are respectively in contact with the plug housing (1) and the coupling cap (2). The structural improvement of the device can effectively solve the problem of existing threaded connection locking technology being inconvenient to operate, and can facilitate insertion connection and effectively reduce the time spent carrying out insertion and separation, enabling quick locking and unlocking at a connection point.

A locking device (100) configured to lock a secondary circuit board in a fixed position on a primary circuit board (1), comprising: - a base portion (101) configured to be inserted into a hole (5) formed in the primary circuit board, - a head portion (102) configured to protrude from the primary circuit board, comprising an actuation interface configured to enable rotation of the locking device from an unlocking to a locking position, - at least one axial interlock member and a rotational interlock mechanism (130) configured to engage with the primary circuit board in the locking position, wherein the head portion further comprises a board locking structure (140) configured to engage with an edge portion of the secondary circuit board in the locking position, and to disengage from the secondary circuit board in the unlocking position.

A vehicle (1) is presented with a safety glass (2, 3, 4, 5, 6, 51) made of plastic, which is inserted into a window opening of the vehicle, wherein the safety glass is bonded to a support surface (22) of the window opening, wherein a circumferential viscoelastic damping element (20, 53) is arranged between the safety glass and the support surface of the window opening, the damping element comprising an elastic plastic core (25, 63); a glass-side adhesive layer (26) between the plastic core and the safety glass; and a vehicle-side adhesive layer (27) between the plastic core and the support surface, wherein the vehicle-side adhesive layer comprises a first layer of a first adhesive with a first viscosity and a second layer (28, 64) of a second adhesive with a second viscosity which is lower than the first viscosity.Furthermore, a manufacturing process and a retrofit kit for a vehicle are presented.

This invention discloses a method for installing a grating sensor for wind turbine blade testing, comprising: positioning, marking, surface grinding, cleaning of the bonding surface, ablation treatment of the bonding surface, ablation cleaning of the bonding surface, ablation treatment of the sensor, ablation cleaning of the sensor, surface treatment of the bonding surface, bonding of the sensor, cleaning after bonding, installation of the outer surface protective layer, and fixing and protecting the connecting optical cable. Compared with existing processes, the sensor installed using the method of this invention has a longer service life, shorter installation time, and lower auxiliary material consumption, thereby improving the efficiency of wind turbine blade testing preparation and reducing labor and material costs.

The utility model discloses a tail inner support spare positioning mechanism, including tail lower mould piece, the top surface middle part of tail lower mould piece is shaped with inner chamber, and tail lower casing spare is nested in the inner chamber, the front of inner wall surface of tail lower casing spare is placed with the front web, and the rear of front web is equipped with the rear web, and the bottom surface of front web and rear web is pressed on the inner wall surface of tail lower casing spare, and the lower part of front web positioning clamp is fixed on the upper portion's connecting block body of front web, and the bottom of front web positioning clamp is in the upper of tail lower mould piece and is fixed at the upper wall surface department of tail lower mould piece, it can be positioned and placed accurately with the component such as front web, rear web etc in tail lower casing spare, guarantees the accurate of bonding fixed position, guarantees the machining accuracy, and the convenient dismounting and installation of each positioning frock, and the convenient combination positioning.

The present invention relates to a valve including a hinge detachment prevention unit, the valve comprising: a hinge pin formed in a valve body and positioned in an accommodation space extending lengthwise in a first direction; a backflow prevention disk rotatably coupled to the hinge pin and positioned in a flow space communicating with the accommodation space; a plug positioned at one end of the hinge pin, with one portion thereof being positioned in the accommodation space and the other portion being positioned outside the accommodation space so as to prevent detachment of the hinge pin; a washer positioned on an outer circumferential surface of the hinge pin and having a coupling groove formed therein toward the hinge pin; and a detachment prevention unit that fixes the washer and the hinge pin together by engaging with the coupling groove to prevent the hinge pin from being detached from the accommodation space.

The utility model relates to the technical field of body parts assembly positioning, specifically relates to a work piece centering positioning tool and mould, work piece centering positioning tool includes installation base and centering positioning mechanism, installation base includes the positioning area of placing work piece, centering positioning mechanism sets up in installation base, centering positioning mechanism includes: synchronous transmission assembly is connected with power source transmission, first locating block and second locating block are respectively connected with both sides transmission of synchronous transmission assembly, synchronous transmission assembly is configured as, can drive first locating block and second locating block, and the first partial direction of moving path is synchronous and moves to the centering of work piece to make, wherein, the synchronous and moving displacement of first locating block and second locating block in the first partial direction is equal, and the first partial direction is perpendicular with preset work piece centering line, the work piece centering positioning tool of the utility model can improve the centering accuracy, and reduce error accumulation.

A lighting device (ED) comprises: - at least one photon-generating source for at least one flat diffusion screen (ED2), having a length and height and thickness strictly less than this length and perpendicular to each other and to this length, and subdivided into first (P1) and second (P2) parts fixedly joined together by extending each other and diffusing photons from the source onto a first front face (FV1), and - at least one protective glass (GP2) comprising a wall (PG1) having a length and height substantially identical to those of the diffusion screen (ED2), installed in front of the first front face (FV1) by being coupled to the first (P1) and second (P2) parts, and adapted to allow the diffused photons to pass through. Figure 3

The present invention provides a locking device for a rolling bearing comprising an inner ring, an outer ring and rolling elements between them, characterized in that the locking device comprises: an inner shoulder, wherein at least a portion of an inner surface of the inner shoulder is suitable for mounting on an outer surface of the rotating shaft and at least a portion of an outer surface of the inner shoulder defines a first contact surface; an outer shoulder, wherein at least a portion of an inner surface of the outer shoulder defines a second contact surface and at least a portion of the outer surface of the outer shoulder is suitable for contacting an inner surface of the inner ring;a bolt configured to lock the inner and outer shoulders in the axial direction such that the first and second contact surfaces are firmly in contact, and such that the inner shoulder can lock the rotating shaft and the outer shoulder can lock the inner ring of the rolling bearing. The present invention also provides a rolling bearing and a rotating shaft assembly comprising the locking device described above. The locking device has advantages such as simple assembly, no damage to the rotating shaft, a high degree of concentricity during assembly, and high locking force.

The utility model discloses a kind of positioning groove plates for cementing hard alloy strip, it is related to hard alloy processing technical field, including workbench, the workbench bottom four corners are uniformly fixedly connected with supporting leg, the workbench top is slidably connected with iron tray, the iron tray is internally provided with mould, the mould both ends are fixedly connected with handle, the workbench top is provided with filling mechanism, the workbench top is provided with shaking mechanism.The utility model discloses a kind of positioning groove plates for cementing hard alloy strip, by filling mechanism, hard alloy strip is stirred using brush, hard alloy strip is filled into mould interior, avoids manual stirring filling, time-consuming and laborious and inconvenient.

This invention relates to the field of component assembly and discloses an automated assembly device, including a placement platform for placing bearings, a gripping mechanism for gripping a code disk, a vision system for aligning the bearing and the code disk, and an adjustment mechanism for adjusting the position of the bearing on the placement platform and / or adjusting the position of the code disk; it also includes a controller connected to the vision system and the adjustment mechanism; the vision system includes a lens and a light source, and the placement platform is located directly below the lens or can be moved to directly below the lens by the adjustment mechanism; the gripping mechanism grips and assembles the code disk onto the bearing on the placement platform; the vision system collects the center coordinates of the assembled code disk and the bearing center coordinates respectively, and transmits the collected data to the controller; the controller adjusts the position of the placement platform and / or the gripping mechanism through the adjustment mechanism to make the center coordinates of the code disk and the bearing coincide. This assembly mechanism has the advantages of high automation and high assembly accuracy.

The application provides a uniform heating device for touch display screen bonding, which comprises a processing table, a first support frame is installed on the top of the processing table, a telescopic power part is installed on the top of the first support frame, a movable frame is installed on the bottom of the telescopic power part through a second support frame, a first heating assembly is installed in the movable frame, and the first heating assembly is used for heating the upper surface of the display screen; extension blocks are symmetrically installed outside the first heating assembly, the extension blocks are installed on the top of the movable frame, and the first heating assembly is fixed in the movable frame. After the display screen is fixed, the heating pieces in the heating plate and the hollow block inside the heating plate work to heat the display screen, so that the glue melts to fill the gap position and solidifies until the display screen is completely bonded. The display screen is synchronously heated on both sides by the heating plate and the heating pieces inside the hollow block, so that the heating uniformity of the display screen is ensured, and the display screen is prevented from warping.

Quick connection device (1), which comprises a substantially cylindrical or conical seat (2) defined in a first component (10a) and a substantially cylindrical or conical sleeve (3) defined on a second component (10b), couplable with the seat (2), said sleeve (3) having at least one axial shoulder (4), directed away from the end of the sleeve (3) that can be inserted in said seat (2), at least one passage (20) defined in the portion of the first component (10a) that is occupied by the seat (2) and is occupiable by a locking pin (21) in order to prevent the axial extraction of the sleeve (3) from the seat (2), means for retaining the locking pin (21) in a first and in a second position, the stopping means comprising two circumferential grooves (21a, 21b). The retention means comprise a retention device (30) accommodated in a respective receptacle (23) arranged at the mouth of the passage (20), the retention device (30) comprising a supporting body (31) and at least one elastically flexible wing (32), the transition of the at least one engagement body (33) from the closer position to the spaced-apart position being executable as a result of the movement of the locking pin (21) along the respective axis (100).

This invention relates to the field of AR glasses manufacturing, and discloses an integrated dispensing and curing device and method for AR glasses lenses. The device includes a frame, a central control module, and lens fixtures, a dispensing module, a curing module, and a pressing module mounted on the frame. The central control module is signal-connected to each module and, in conjunction with status sensors, achieves automated linkage control according to the process sequence. The lens fixture is equipped with elastic connecting components, light-transmitting detachable support inserts, and positioning and avoidance structures. The dispensing module uses positioning components to achieve radial limiting of the glue tube. The curing module can switch between pre-curing and secondary curing modes. The pressing module cooperates with the lens fixture to achieve flexible bonding. This invention also discloses a supporting method, which executes the process in the following order: loading and positioning, dispensing, pre-curing, frame positioning, pressing, secondary curing, and resetting and unloading. This invention achieves fully automated continuous operation of the entire AR glasses lens assembly process, fundamentally solving problems such as glue overflow, low bonding accuracy, and poor process connection efficiency in traditional assembly. The device is highly versatile and suitable for the industrial mass production of AR glasses.

This utility model relates to the field of rubber bushing technology, specifically a pressurizing device for rubber bushing production. It includes a hydraulic rod with a mounting base, a vertical lifting rod fixedly connected to its output shaft end, a hanger fixedly connected to the bottom end of the lifting rod, a vertical pressure rod positioned below the hanger, and a self-locking mechanism between the pressure rod and the hanger; a movable ring movably sleeved on the outside of the lifting rod, a lifting mechanism positioned between the movable ring and the self-locking mechanism, and a pressing mechanism positioned at the upper end of the movable ring and the lifting rod. This utility model employs a quick-connect structure of a self-locking clamp and a trapezoidal block, replacing the traditional threaded fixing method. This avoids problems such as thread wear and fatigue fracture caused by repeated tightening / loosening, significantly improving the reliability and service life of the device. It also simplifies the disassembly and assembly process of the pressure rod, improving maintenance efficiency.

A fastening device for releasably fastening a functional unit in a connection direction to a receiving unit. The fastening device comprises a functional unit comprising a functional unit abutment surface and a receiving unit comprising a receiving unit abutment surface. The functional unit abutment surface and the receiving unit abutment surface are configured to abut against each other in a connected state. The fastening device comprises at least one pair of magnets comprising at least one functional unit magnet allocated at or within a proximity to the functional unit abutment surface and at least one receiving unit magnet allocated at or within the proximity to the receiving unit abutment surface. The at least one functional unit magnet and the at least one receiving unit magnet exert an attractive force to each other.

This application relates to the field of optical component assembly technology, specifically to a bonding and adsorption device suitable for thin glass sheets. The bonding and adsorption device includes: a first thin-sheet bonding substrate, on which a first adsorption area adapted to the shape of the first thin glass sheet is provided, and a first vent is provided within the first adsorption area; a first airflow channel is provided within the first thin-sheet bonding substrate, connecting the first vent to the outside; a first vacuum adsorption component, connected to the first airflow channel; a second thin-sheet bonding substrate, on which a second adsorption area adapted to the shape of the second thin glass sheet is provided, and a second vent is provided at the bottom of the second adsorption area; a second airflow channel is provided within the second thin-sheet bonding substrate, connecting the second vent to the outside; a second vacuum adsorption component, connected to the second airflow channel; the first thin-sheet bonding substrate and the second thin-sheet bonding substrate are adapted to each other. The solution provided by this application can achieve accurate bonding of (millimeter-level) thin glass sheets at a relatively low cost.

A laser-plasma synergistic surface treatment method for CFRP / titanium alloy heterojunctions belongs to the field of heteromaterial bonding technology. First, nanosecond pulsed lasers are used to etch the surfaces of CFRP and titanium alloy to be bonded, constructing a micro-nano composite structure. Then, atmospheric pressure cold plasma is used to activate the etched surfaces, grafting polar functional groups. Finally, the two are bonded and cured using an adhesive. This invention achieves a dual enhancement effect of "mechanical interlocking" and "chemical bonding" by organically combining "laser etching to construct micro-nano physical structures" and "plasma activation to introduce chemical functional groups," significantly improving the interfacial bonding strength of CFRP / titanium alloy heterojunctions. Compared with single treatment methods, this invention can increase the joint shear strength by more than 38%, and the failure mode changes from interfacial failure to cohesive failure. It has advantages such as environmentally friendly process, good controllability, and significant effects, and has broad application prospects in aerospace, high-end equipment manufacturing, and other fields.

The utility model discloses a module station first piece glue checking tool mechanism of blade battery composition, including installation bottom plate, the left and right sides symmetry of installation bottom plate are equipped with fixed plate, the upper common sliding connection of two fixed plates has the horizontal board, the symmetrically equipped with the aperture on horizontal board rear side, the cup holder is connected on horizontal board top, and the cup hole is equipped with cup hole on the cup holder corresponding aperture, and the sensor is connected with cup hole on horizontal board lower surface corresponding aperture, the front baffle, the rear baffle and the front slot photoelectric sensor, rear slot photoelectric sensor are connected with the symmetry of the front and rear sides between two fixed plates on installation bottom plate, and the horizontal board lower surface rear side is connected with the matching baffle of front baffle, rear baffle, and the sensing sheet that matches with the front slot photoelectric sensor, rear slot photoelectric sensor. The utility model can operate outside the equipment operation range, can complete first piece glue receiving work fast, safe, improve the security of glue receiving first piece, reduce the possible of worker mechanical injury.

This utility model relates to the field of glass tube fuse processing technology, specifically a glass tube fuse gluing and bonding machine, comprising a first frame, on which are mounted a glass tube feeding device, a gluing device, a copper cap feeding device, and a copper cap pushing device; the glass tube feeding device includes a first vibrating plate and a first indexing plate, the first vibrating plate being used to feed the glass tube onto the first indexing plate via a first guide pipe; the gluing device is correspondingly arranged with the first indexing plate and is used to apply liquid adhesive to both ends of the glass tube on the first indexing plate; the copper cap feeding device includes a second vibrating plate and a second indexing plate, the second vibrating plate being used to feed the copper cap onto the second indexing plate via a second guide pipe; the second indexing plate is provided with a third indexing plate for receiving the glued glass from the first indexing plate; the copper cap pushing device is used to push the copper cap from the second indexing plate to both ends of the glued glass tube on the third indexing plate to assemble a glass tube fuse.

This application provides a bonding device for optical components, used to bond optical components to a bonding mold. The bonding device includes: a frame, vertically arranged; a support platform, mounted on the frame and used to connect the bonding mold, the bonding mold being rotatable on the support platform; a calibration support frame, mounted on the frame and located above the support platform, and having an adjustment cavity; and multiple adjusting members, adjustablely arranged on the calibration support frame and distributed around the central axis of the adjustment cavity, the adjusting members being radially movable along the adjustment cavity; the optical component is bonded to the bonding mold by hot melt wax and placed within the adjustment cavity, and the optical component is pushed horizontally by the multiple adjusting members to make the optical component coaxial with the bonding mold. This solves the problems of low mounting accuracy and large positioning accuracy error of optical components caused by manual mounting in the prior art.

The application provides a kind of pressure maintaining equipment, including mounting frame, down pressure component and mould pressing component, mounting frame includes base, top plate and two support columns spaced apart from each other between base and top plate;Down pressure component includes the connecting frame on the top plate, the first driving member connected to the connecting frame and the down pressure component connected to the first driving member;Mould pressing component includes separable connection upper die and lower die, upper die includes fixed plate connected with down pressure component, pressing plate connected to fixed plate, pressing piece connected to pressing plate, second driving member connected to top plate and pressure head through pressing plate and elastically connected to second driving member, pressure head is higher than pressing piece;Lower die is provided on the base, and the lower die includes a carrier plate and a carrier provided on the carrier plate.The application solves the problem that the existing pressure maintaining equipment uses different pressure maintaining pressure and pressure maintaining time for multiple positions of the product, which easily leads to low pressure maintaining efficiency, high pressure maintaining cost and poor pressure maintaining effect.

The utility model discloses a kind of pressure maintaining jigs, belong to jig field, it includes operation platform, its side is detachably laid with a machine cabinet;For carrying and moving the carrying and moving component for product, it is laid on the operation platform, it includes first electric cylinder, it is detachably laid in the operation platform;First slide rail, it is detachably installed on the operation platform.The pressure maintaining jig of the utility model, through the pusher component of layout, after completing product pressure maintaining operation, by opening third electric cylinder, push plate can be driven to move up, at the same time, contact can be made to penetrate into built-in barrel and from built-in barrel, and sequentially penetrate into pressure maintaining lower mould and pressure maintaining mould cavity, can be quickly pushed out operation to product completed pressure maintaining.

The invention relates to a quick-connect system (10) for attaching and / or changing components, in particular cargo system components (101) and / or covers (102), of an aircraft cargo compartment (100) to at least one structural part (103) of an aircraft structure (104), comprising: - at least one fastening pin (11) mountable on the structural part (103) with a pin longitudinal axis (LA); - at least one connection area (12) which is arranged or formed on the component and has at least one through-opening (13) in which the fastening pin (11) can be received or accommodated at least partially by forming a first positive locking in the pin longitudinal axis direction and / or transversely to the pin longitudinal axis;and - at least one locking mechanism (14) arranged on the component with at least one engagement element (15) which is movably mounted on the component such that a second positive locking connection can be formed or is formed by a translational or rotational movement of the engagement element (15) with the fastening pin (11), the structural part (103) or a counterpart (16) mountable on the structural part (103), which blocks movement of the component in the direction of the pin longitudinal axis and / or transversely to the pin longitudinal axis.

The utility model discloses an earphone charging bin magnet automatic assembly machine is equipped with the conveyer belt for conveying carrier on the frame, the frame is equipped with magnet assembly station, point gum station and solidification station along the conveyer belt delivery direction, magnet assembly station, point gum station and solidification station are equipped with magnet assembly mechanism, point gum mechanism and solidification mechanism respectively, the magnet assembly mechanism includes the bunker, pushes the component and first manipulator, and the first manipulator execution end is equipped with the direction changing motor, takes the material pneumatic cylinder and is used for the magnet needle of adsorbing magnet, can accurate suction and adjusts the magnet direction and installs, and is equipped with the positioning device on magnet assembly station and point gum station, and the positioning device positions the carrier, realizes accurate material taking through setting the material pneumatic cylinder control magnet needle movement cooperation direction changing motor and first manipulator, and can realize accurate installation of magnet to earphone charging bin in combination positioning device positioning carrier, solves the problem of low installation precision, efficiency.

The present application provides a tea tray drainage accessory, which comprises a hollow elastic ball and a first drainage channel and a second drainage channel, one end of the first drainage channel is communicated with a water inlet end of the hollow elastic ball, one end of the second drainage channel is communicated with a water outlet end of the hollow elastic ball, the drainage accessory further comprises a vent provided with a valve assembly, the vent provided with the valve assembly is arranged on the hollow elastic ball or the first drainage channel or the second drainage channel; when the drainage channel at one end of the elastic ball is blocked, the drainage channel at the other end of the elastic ball which is not blocked can be manually closed, then the elastic ball is squeezed, the valve assembly closes the vent, a large pressure impact is generated in the ball to impact the blockage, the squeezed elastic ball is released, the valve assembly opens the vent, air outside the ball is sucked into the ball through the vent to restore the ball so as to squeeze the elastic ball again, the continuous squeezing-releasing of the elastic ball can be realized without the coordination of the left and right hands, and the blockage can be removed for multiple times until the blockage is discharged.