24results about How to "Compact connection" patented technology

The utility model belongs to the technical field of crack width gauge equipment, in particular to a handheld crack width gauge, which comprises a width gauge main body, the width gauge main body is provided with a connecting part, a holding part, a power line and a detection end, the connecting part and the holding part are sequentially arranged at the bottom of the width gauge main body, and the width gauge main body is fixedly connected with the connecting part through welding. A wire plate is arranged on one side of the width gauge body, a power line is connected into the wire plate, and the power line extends into the width gauge body and is connected with a winding assembly. According to the utility model, through the width gauge main body, the display panel can be effectively prevented from being dusty when not in use; through the arrangement of the connecting part and the holding part, the width gauge main body, the connecting part and the holding part form an integrated structure, so that the equipment structure is more compact in connection, an anti-skid sleeve can be arranged outside the holding part, the holding feeling in the use process is improved, and slipping is avoided; and by arranging the winding assembly, manual operation is replaced, and the equipment is more convenient and faster.

The utility model relates to a photoelectric connector assembly, which comprises a pin seat connector and a flange connector, and is characterized in that the pin seat connector comprises a pin seat connector body which is provided with at least one pin seat end ceramic ferrule and a plurality of first electrical holes; the printed circuit board is arranged on the pin seat connector body, and a second electric hole is formed in the position, opposite to the first electric hole, of the printed circuit board; each metal contact pin penetrates through the second electric hole of the printed circuit board and is arranged in the first electric hole of the pin seat connector body, and the aperture of the second electric hole is matched with the outer diameter of the metal contact pin; at least two metal pins in the plurality of metal pins are directly and electrically connected with the printed circuit board, and are electrically connected with an information storage chip arranged on the printed circuit board through the printed circuit board. The photoelectric connector assembly is convenient for reading information, and the reliability of electric connection is improved.

The utility model relates to the technical field of molding machines, and discloses a compacting structure of a molding machine, which comprises a bearing machine base, a bearing top frame is arranged at the top of the bearing machine base, a guide post and a guide shaft are arranged between the bearing machine base and the bearing top frame, and a lower sand storage tank is arranged on the guide shaft. According to the utility model, the upper compaction oil cylinder, the lower compaction oil cylinder, the upper box oil cylinder and the lower box oil cylinder can be matched to carry out shaping die-casting on a closed die, and the upper box assembly, the lower box assembly and the middle box assembly are pushed to be mutually combined and spliced into a whole, so that the die-casting quality is high; the bottom of the lower sand storage tank is fixedly connected with the lower sand shooting compaction body and communicated with the lower sand shooting compaction body to drive the lower sand storage tank to move, so that the lower sand storage tank and the lower sand shooting compaction body can be fixedly sealed, the overall sealing performance is excellent, the phenomenon of sand leakage or sand blasting is avoided, the device structure is tightly connected, the sand shooting compaction compactness is high, and the phenomenon of sand blasting is not prone to occurring; the die-casting uniformity is high, and the production quality is excellent.

This invention relates to a dry ice spray cleaning and sterilizing device, aiming to solve the technical problem of the current dry ice spray cleaning and sterilizing devices having only a single spraying operation function. The device includes a cabinet; an embedded sterilization and cleaning tank is provided on the upper surface of the cabinet; the gap between the inner wall of the cabinet and the outer wall of the embedded sterilization and cleaning tank forms a multi-stage operating chamber; the embedded sterilization and cleaning tank is an electrically heated structure; and multiple cleaning components are provided inside the multi-stage operating chambers; and a dual-mode sterilization and cleaning system is provided at the output end of the multi-stage cleaning components; a transparent splash guard is hinged to the outer wall of the cabinet relative to the embedded sterilization and cleaning tank. This invention improves the cleaning effect of high-pressure dry ice spraying by adapting two operating modes to the continuous, efficient, and fully covered contact of the foam cleaner, and adapting the intermittent contact of the dry ice spraying operation to the changes in spray distance caused by angle changes during actual operation.

The invention belongs to the field of chemical processing of functional materials and high-molecular compounds, and relates to a preparation method of a sodium alginate-based gradient hydrogel sensor. The preparation method comprises the following steps: firstly, taking MXene as a conductive material, and endowing hydrogel with excellent conductivity; subsequently, SA and acrylamide are subjected to crosslinking under initiation of ammonium persulfate, and a high-modulus tough layer is formed. Finally, C2-C3 bonds are selectively cut through APS, the rigidity of an SA chain is reduced, meanwhile, hydroxyl on an SA main chain is oxidized into aldehyde groups and carboxyl groups through APS, crosslinking of modified SA and AM is promoted, and a low-modulus elastic layer is formed. The gradient-structure hydrogel prepared by the method can be used for a mechanical sensor, simultaneously realizes a wide detection range and high sensitivity, has stable and excellent output performance, and can be used for preparing a flexible wearable electronic device.

The utility model discloses a pile foundation supporting device which comprises a plurality of supporting pieces, and the supporting pieces are evenly arranged on the periphery of a pile foundation in the circumferential direction of the pile foundation. The supporting piece is arranged in an inclined mode, the top end of the supporting piece is connected with a clamping mechanism fixedly arranged on the periphery of the pile foundation in a sleeving mode, and the bottom end of the supporting piece is connected with a bottom plate fixed to the ground on the periphery of the pile foundation. The supporting piece comprises a first rod body, a second rod body and a third rod body, the bottom end of the first rod body is connected with the bottom plate, and the top end of the first rod body is provided with an extrusion mechanism and connected with the bottom end of the second rod body through the extrusion mechanism; the top end of the second rod body is connected with the bottom end of the third rod body, a buffering mechanism is arranged between the top end of the second rod body and the bottom end of the third rod body, and the top end of the third rod body is connected with a clamping mechanism. According to the pile foundation supporting device, the situation that the service life of the supporting piece is shortened due to hard supporting between the supporting piece and the pile foundation is avoided, and the service life of the pile foundation supporting device is prolonged.

The utility model relates to the technical field of windscreen wiper, especially to a double-rod windscreen wiper connecting structure, including windscreen wiper drive arm and the clamping assembly for clamping boneless windscreen wiper, the clamping assembly includes connecting seat and clamping block, the windscreen wiper drive arm is rotatedly connected through first pivot with connecting seat, the connecting seat is equipped with bolt, the clamping block is opened with the insertion hole of bolt adaptation on, the connecting seat is inserted insertion hole with clamping block and forms rotary connection through bolt, the connecting seat still is equipped with the limiting slot that clamping block extends to, the both sides inner wall of limiting slot forms the limiting cooperation to both sides outer wall of clamping block, the one end of clamping block away from connecting seat clamps boneless windscreen wiper, the utility model has the advantages of connecting structure simplification and convenient to dismount.

The utility model discloses a cap CNC machining jig, and relates to the field of cap CNC machining, the cap CNC machining jig comprises a fixing plate, a rotating assembly and a suspender, the bottom of the fixing plate is fixedly connected with a supporting column, the inner side of the fixing plate is provided with a supporting plate, the rotating assembly is arranged on the side face of the supporting plate, and the suspender is arranged on the rotating assembly. And the rotating assembly comprises a fixing frame, a servo motor, a rotating rod, a first gear and a second gear, and the hanging rods are welded to the four sides of the bottom of the supporting plate. According to the cap CNC machining jig, by arranging the rotating assembly and the limiting assembly, in the using process of CNC machining treatment on a cap through the machining jig, rotating treatment on a workpiece is achieved, subsequent machining treatment on different positions of the workpiece is facilitated, the machining jig is more efficient, meanwhile, the workpiece is limited and clamped, and the machining efficiency is improved. And the condition of deviation during subsequent workpiece machining is avoided, it is guaranteed that the machining jig conducts machining treatment on the caps smoothly, and workers can use the machining jig conveniently.

The utility model belongs to the lawn laying technical field especially is a kind of modular splicing simulation lawn laying device, including draw bar, still including the partition piece of setting in draw bar side, layering board, glueing board, material pipe, material pump, storage bottle, tow frame, tow bar and counterweight roller, the one end of draw bar and fixed installation in the partition piece rotation connection of layering board surface, and the layering board and the glueing board constitute integrated structure, and the surface of glueing board still with one end of material pipe fixed connection, the work of the layering board and glueing board of this device can be carried out gluing work when the size and position adjustment work of lawn are completed, can greatly reduce the tediousness of laying work, and then can effectively improve the work efficiency of laying, and under the action of counterweight roller still can be compacted to the position of gluing, can make the connection structure more closely.

The invention discloses a single-support permanent magnet synchronous motor structure for a compressor, which belongs to the technical field of compressor and motor connection and comprises a motor stator, a motor rotor, a locking piece, an internal thread cylindrical pin, a sliding bearing, a shaft sleeve and a locking assembly. A projecting shaft of the motor rotor is rotationally connected with the motor rear cover; a rotor bearing seat is pressed and fixed at the other end of the motor rotor; sliding bearings are pressed and fixed in a plurality of groups of mounting holes formed in the rotor bearing seat respectively; one ends of the multiple sets of internal thread cylindrical pins are fixedly connected to the shaft sleeve, and the other ends of the multiple sets of internal thread cylindrical pins are inserted into inner holes of the sliding bearings in a matched mode; the shaft sleeve is assembled on the extending shaft of the compressor and is locked and fixed through the locking assembly. The internal thread cylindrical pin, the sliding bearing, the rotor bearing seat and the motor rear cover bearing are matched to fix the motor rotor, so that the connecting structure of the compressor and the motor is more compact, disassembly and assembly are more convenient, and meanwhile, the motor chamber sweeping risk is avoided.

The invention belongs to the technical field of mechanical bench worker stamping, and discloses a variable-elasticity die elastic discharging device and a using method thereof. One end of the mandrel is connected to the upper platform and the other end is connected to the lower base; the mandrel is sequentially provided with a small-diameter spring and a large-diameter spring from inside to outside, one end of the small-diameter spring is in contact with the small-diameter semicircular sleeve, and one end of the large-diameter spring is in contact with the large-diameter semicircular sleeve; the heights of the small-diameter semicircular sleeve and the large-diameter semicircular sleeve are changed through replacement; the exchange platform and the lower platform are sequentially arranged below the upper platform; the upper platform and the exchange platform are provided with coaxial ejector rod holes; the upper platform and the lower platform are provided with coaxial ejector rod holes. Semicircular sleeves are arranged at the bottoms of the springs, disassembly and replacement are convenient, and fine adjustment of elasticity is achieved by replacing the semicircular sleeves with different heights. The connection structure among the upper platform, the exchange platform, the lower platform and the mandrel is simple and compact, the springs are convenient to disassemble, assemble and replace, and the requirement for large or small elastic force can be easily met.

The present application relates to the field of steel structure tower mast pre-assembly, disclose a kind of all bolt steel structure tower mast pre-assembly structure and assembly method, wherein all bolt steel structure tower mast pre-assembly structure includes: steel structure tower mast pre-assembly flange one and steel structure tower mast pre-assembly flange two, steel structure tower mast pre-assembly flange one and steel structure tower mast pre-assembly flange two are provided with guiding assembly mechanism;The guiding assembly mechanism includes guide post, guide cone head and sleeve ring, the guide cone head is fixedly installed at the top of guide post, sleeve ring is sleeved on the outside of guide post, the guiding assembly mechanism further includes splice block one, splice groove one, bottom plate one, pivot, bottom plate two, positioning block one and synchronous piece.The present application has the following advantages and effects: fundamentally eliminate the dimensional deviation problem caused by welding deformation, significantly improve the stability and installation accuracy of tower mast structure.

A 12-layer long-span hairpin flat wire motor stator disclosed by the present invention comprises a stator winding and a stator core, the stator core is provided with a stator slot, the stator winding is installed in the stator slot, a winding conductor and the stator core are isolated by insulation paper in the stator slot, the stator winding is formed by combining a plurality of I-PIN hairpins and U-PIN hairpins, and the I-PIN hairpins and the U-PIN hairpins are arranged in the stator slot. And a three-phase outgoing line of the stator winding and the wiring terminal are welded and connected into a whole, and the whole is encapsulated. According to the invention, by adopting the matching of the pole slots with multiple poles and multiple slots, the torque output capability of the motor is improved, the magnetic potential harmonic waves of the winding are reduced, the vibration noise generated during the operation of the motor is reduced, the risk of inter-phase insulation in the stator slots can be effectively reduced, the power density of the motor is improved, and the performance requirement of a vehicle driving motor with a high torque requirement can be met.

This utility model discloses a top-mounted, adjustable-speed rotary pencil sharpener, including a support cover, a pencil holder on the support cover, a support gear below the support cover, and a pair of support shafts inside the support cover. A start switch and a PCB circuit board are connected to the pencil holder on one side. The PCB circuit board is connected to the motor circuit, and the motor is connected to the support gear via a gear set. A blade holder is located below the support gear, and an adjustment component for adjusting the pencil tip thickness is located below the blade holder. The pencil tip thickness is controlled by the up-and-down movement of the adjustment rod via a seesaw structure. When the pencil tip reaches the top of the adjustment rod, the PCB circuit board controls the motor to reverse and retract the pencil. The closer distance between the motor and the blade assembly results in less motor power loss, a more compact connection structure with less mechanical friction noise, more stable motor speed, and a more stable center of gravity. The bottom shavings box design allows for a larger shavings capacity and easier cleaning.

The utility model relates to the field of cable bridges, in particular to a bolt-free bridge connecting piece. The problems that an existing cable bridge connection mode is poor in safety and reliability, high in cost, low in installation efficiency and the like are effectively solved. The connecting piece comprises a right-angle frame which is used for being attached to the side wall and the bottom wall of the cable bridge; the right-angle frame is provided with a plurality of inserting strip sets, and each inserting strip set is provided with a plurality of separated inserting strips. According to the device, a plug-in type installation mode is adopted, bolt connection is avoided, and the purposes of firm connection, high bearing capacity and long service life are achieved.

The utility model discloses a polishing machine arm with high stability, which relates to the field of polishing machine arms and comprises a mechanical arm, a fixing block and a polisher, a fixing seat is arranged below the mechanical arm, and a mounting component is arranged between the mechanical arm and the fixing seat. And the mounting assembly comprises a connecting block, a limiting ring, a positioning block, a limiting piece, a clamping block, a reinforcing cover and a square block. According to the high-stability polishing machine arm, by arranging the mounting assembly and the limiting assembly, in the using process of the polishing machine arm, the overall connection of the polishing machine arm structure is improved, so that the polishing machine arm has high stability, and the situation that the polishing machine arm topples over and is damaged in the subsequent using process is avoided; and meanwhile, certain detachability is achieved, a worker can conveniently replace and maintain a polishing structure of the polishing machine arm, efficient operation of the polishing machine arm is guaranteed, and the worker can conveniently use the polishing machine arm.

The utility model discloses a mounting and positioning mechanism for pouring construction, which relates to the field of pouring construction and comprises a fixed corner frame, a positioning component and a connecting block, a fixed bottom plate is arranged on one side of the fixed corner frame, a supporting rod is fixedly connected to one corner of the fixed bottom plate, and a fixed top plate is fixedly connected to the top end of the supporting rod. And the positioning assembly is arranged between the fixed bottom plate and the fixed top plate. According to the mounting and positioning mechanism for pouring construction, by arranging the positioning assembly and the connecting assembly, in the using process of the mounting and positioning mechanism for pouring construction, a worker can conveniently and rapidly position a pouring formwork through the mounting and positioning mechanism according to actual requirements, and the using efficiency of the mounting and positioning mechanism is improved; and meanwhile, the structure is tightly connected, the situation of deviation and loosening in the subsequent pouring construction process is avoided, and the mounting and positioning mechanism can be conveniently disassembled by a worker in the subsequent process, and can be conveniently used by the worker.

The utility model provides a simple electric folding bed, which comprises a bed frame, a folding mechanism and a folding mechanism, the front bed plate and the rear bed plate are arranged on the front support and the rear support respectively, the front bed plate comprises a back plate and a front seat plate, one end of the back plate is hinged to one end of the front seat plate, and the front seat plate is fixed to the front support; the driving assembly comprises a driving piece and a rotating action piece connected with the driving piece, and the rotating action piece is rotatably arranged on the front support and abuts against the back plate; one end of the connecting rod is fixed with a front bracket, the other end of the connecting rod is fixed with the front seat plate, the connecting rod is provided with a mounting structure which can be penetrated by the rotary action piece, and the rotary action piece is connected with the connecting rod through the mounting structure; the folding bed solves the problems that in the prior art, a folding bed is complex and loose in structure, large in weight, not prone to moving and large in occupied space when stored.

The invention discloses a fusion plate metal roof system, and relates to the technical field of building structures, the fusion plate metal roof system comprises a plurality of metal roof plates which are mutually lapped in the transverse direction and the longitudinal direction, every two adjacent metal roof plates are laminated in the longitudinal direction, and every two adjacent metal roof plates are mutually clamped in the transverse direction; the metal roof panels are distributed along the two sides of the ridge, a sealing filling structure is arranged between the metal roof panels on the two sides and corresponds to the ridge, and the ridge is covered with an integrated ridge cover plate. The wall body framework comprises a longitudinal framework and a transverse framework; the first plate face and the second plate face of the composite cornice sealing plate are connected to the transverse frame and the longitudinal frame in a sealed mode respectively. According to the system, the specific metal roof panel design, TPO coiled material layer covering, the clamping structure, the sealing filling structure and other innovative designs are adopted; the metal roof system aims at solving the problems of a traditional metal roof system in the aspects of water resistance, heat preservation, wind uplift resistance and the like.

This application discloses a quick-connect respirator and breathing device. The quick-connect respirator includes a body and a connecting device, one of which serves as a first component and the other as a second component. The first component has a mounting groove with a pre-positioning area and a locking area that are interconnected. The locking area has a mating groove that opens towards the pre-positioning area. The second component has a pivot. The portion of the second component with the pivot enters the locking area via the pre-positioning area, and the pivot correspondingly enters the mating groove. A locking member is also movably mounted on the first component. The locking member has a first position that prevents the pivot from entering the pre-positioning area and a second position that opens the pre-positioning area. In the first position, the locking member holds the pivot within the mating groove. The technical solution of this application can achieve quick connection or disconnection while ensuring stable connection, improving user experience and adaptability, and increasing production efficiency. The connection structure is simple and compact, facilitating production and assembly.

The utility model discloses a computer magnetic frame for a computer case, relates to the computer case field, including case body, support adjusting lever and receiving subassembly, case body bottom both sides are provided with support plate, case body top both sides are provided with fixed top plate, and between support plate and fixed top plate is provided with spacing plate, and the spacing plate is provided with the support adjusting lever and receiving subassembly. And a mounting assembly is arranged above the fixed top plate. According to the computer magnetic frame, the installation assembly and the storage assembly are arranged, in the using process that the computer magnetic frame is used for supporting a computer case, a worker can conveniently change the size of the computer magnetic frame according to the actual situation of the computer case, the application range of the computer magnetic frame is expanded, structural connection is tight, and the computer magnetic frame is convenient to use. The computer case is protected to a certain degree, meanwhile, computer lines are stored and arranged, it is avoided that the computer lines are disordered and affect the performance of a computer, potential safety hazards in the using process of the computer are reduced, and the computer magnetic frame is convenient to use.

The utility model discloses a multilayer nesting type spiral inductance coil relates to inductance coil field, including coil body, connecting subassembly and fixed seat, the center of coil body is provided with the fixed rod, and the outer side of fixed rod both ends is provided with blocking ring, and the end portion of fixed rod is provided with the clamping rod, and the fixed rod is provided with the clamping rod. And the outer walls of the two ends of the clamping rod are fixedly connected with limiting rings. According to the multi-layer nested spiral inductance coil, by arranging the connecting assembly and the moving assembly, in the using process of the spiral inductance coil, a worker can conveniently install the spiral inductance coil, the connecting structure is compact, and the situation that the structure is loosened in the subsequent using process is avoided; the spiral inductance coil can be used smoothly, meanwhile, a worker can adjust the supporting structure according to the actual situation of the spiral inductance coil conveniently, the spiral inductance coil is installed more conveniently, and the worker can use the spiral inductance coil conveniently.

The present invention discloses a series-parallel heat exchange structure and a thermovoltaic power generation device, including more than two parallel heat exchange channels, the heat exchange channels including more than two heat exchange units, in each of the heat exchange channels, the heat exchange units are connected in series or in series-parallel, the heat exchange units include a number of parallel hot-end heat sinks used as hot liquid circulation channels, and a number of parallel cold-end heat sinks used as cold liquid circulation channels; the hot-end heat sinks and the cold-end heat sinks are arranged alternately. The present invention solves the integration problem of the heat exchange units, and the series-parallel connection structure is simple and compact, and multiple heat exchange units can be easily interconnected to form a higher-power thermovoltaic power generation system; the heat exchange structure of the present invention causes little flow resistance loss to the heat exchange medium, and the temperature difference between the inlet and outlet of the cold and hot end medium of each heat exchange unit is small, which is conducive to improving the overall thermoelectric conversion efficiency.