12results about How to "Ensure connection security" patented technology

The invention belongs to the technical field of new energy automobiles, particularly relates to a driving motor for a new energy automobile and a method thereof, and aims to solve the problems that in the prior art, a heat dissipation structure mostly adopts a single-direction blowing design, airflow coverage is uneven, wiring terminal protection mostly adopts an integral closed structure, wiring operation is tedious, and mistaken touch short circuit is likely to occur. According to the scheme, the motor comprises a heat dissipation cover and a motor body arranged in the heat dissipation cover, a motor front end cover is arranged on one side of the motor body, an output end is arranged in the middle of the side, away from the motor body, of the motor front end cover, and a wiring terminal is arranged on the side, away from the motor front end cover, of the motor body; the heat dissipation cavity is formed in the left side of the interior of the heat dissipation cover; according to the invention, heat dissipation airflow uniformly covers the motor main body, the problem of local overheating is solved, and wiring node loosening caused by automobile vibration or external force pulling is effectively avoided.

The utility model relates to the technical field of floor glass windows, and discloses a floor glass window mounting structure which comprises a window frame and a glass body, and square grooves are formed in the centers of the periphery of an inner cavity of the window frame; the double-head motor is arranged in the center of an inner cavity of the square groove, the two ends of the double-head motor are coaxially connected with threaded lead screws, and the surfaces of the threaded lead screws are evenly sleeved with conical sliding blocks; and the fixed insertion rods are arranged at the corresponding positions of the inner cavities of the square grooves, arc-shaped plates are installed at the inner ends of the fixed insertion rods correspondingly, and the surfaces of the fixed insertion rods are sleeved with reset springs correspondingly. According to the floor glass window mounting structure, a double-end motor drives a corresponding threaded lead screw to rotate, a conical sliding block moves in the opposite direction, a fixed insertion rod is driven to extrude towards the outer side and be inserted into a wall, and after the conical sliding block is disconnected from an arc-shaped plate, the fixed insertion rod is driven to reset under the action of a reset spring. And the phenomenon that the wall body is damaged during disassembly and assembly is avoided.

The utility model provides a detachable data acquisition device for an electric energy meter, which relates to the field of electric energy meter acquisition and comprises a shell assembly and a circuit board. Rapid clamping and bolt fixing of the top shell and the bottom shell are achieved, the mounting and dismounting time is remarkably shortened, the maintenance efficiency is improved, the connecting component adopts a double fixing mode of connecting bolts and limiting, the bolts are connected through internal threads to ensure the connecting safety, the bolts are further prevented from loosening through a conical clamping structure of the limiting body, and the safety is improved. The protection reinforcing ribs on the outer sides of the top shell and the bottom shell are integrally designed, the impact resistance and deformation resistance of the shells are remarkably improved, the service life of equipment is prolonged, different types of electric energy meter interfaces are compatible through the standardized clamping and threaded connection design, the customization development cost is reduced, and the practicability is high. Meanwhile, the production process is simplified.

The invention provides a prefabricated self-resetting energy dissipation combination column structure, and relates to the technical field of seismic resistance and seismic mitigation and isolation devices. The device comprises an upper column body and a lower column body, two parallel connecting sliding rails are arranged at the bottom of the upper column body, a sliding groove is formed between the connecting sliding rails, a mounting hole communicated with the sliding groove is formed in the tail end of the sliding groove, and a self-resetting buckle which can slide along the sliding groove and is clamped with the mounting hole in a matched mode is arranged at the top of the lower column body. The limiting block and the connecting sliding rail are installed in a matched and sliding mode, and the top end and the bottom end of the limiting block are detachably connected with the upper column body and the lower column body through fasteners respectively. The connecting sliding rail at the bottom of the upper column body and the self-resetting buckle at the top of the lower column body are rapidly spliced to achieve rapid and stable installation of the column bodies, the advantage of being easy and convenient to construct is achieved, all components are prefabricated in a factory and rapidly assembled on a construction site, and material waste and environmental pollution are reduced while the connecting quality and safety are guaranteed; and the method has good economical efficiency.

The invention discloses a steel pipe sheet pile composite structure which comprises a plurality of steel pipe pile sets spliced end to end, each steel pipe pile set comprises a plurality of steel pipe piles arranged side by side, and an upper surrounding edge and a middle surrounding edge are detachably arranged on the tops and the middles of the inner side and the outer side of each steel pipe pile set. Stiffening rods are arranged between the two adjacent upper surrounding edges or the two adjacent middle surrounding edges on the inner sides of the two adjacent steel pipe pile groups; the steel plates are distributed between every two adjacent steel pipe piles, and each steel plate is detachably connected with every two adjacent steel pipe piles. The steel plates replace part of the steel pipe piles to connect the two adjacent steel pipe piles to form the cofferdam structure, so that the connection strength and safety of the cofferdam structure with the same area can be ensured, consumables are reduced, and the engineering cost is reduced.

The utility model relates to the technical field of special equipment, and discloses a quick plug connector and a police climbing frame, the quick plug connector comprises an inner plug connector and an outer plug connector, the inner plug connector is provided with a first elastic clamping block and a second elastic clamping block which can stretch and retract relative to an inner plug connector main body, and the outer plug connector is provided with a second elastic clamping block which can stretch and retract relative to the inner plug connector main body. The first elastic clamping block and the second elastic clamping block tightly support the two sides of the inner connector main body in advance through a pre-supporting device arranged in the inner connector. Two open grooves corresponding to the first elastic clamping blocks and the second elastic clamping blocks one to one are formed in the outer plug connector; when the inner connector and the outer connector are buckled, the first elastic clamping block and the second elastic clamping block overcome the supporting force of the pre-supporting device to retract into the main body of the inner connector, and after the inner connector and the outer connector are inserted in place, the first elastic clamping block and the second elastic clamping block are clamped into the open groove of the outer connector so as to lock the inner connector and the outer connector. The police climbing frame comprises a quick-insertion connecting piece. The quick-insertion connecting piece and the police climbing frame have the advantages of being high in connecting strength and connecting safety.

The panel assembly comprises a panel, an air return grille and a locking piece, the panel is provided with a first side wall and a second side wall, the air return grille is provided with a third side wall and a fourth side wall which are opposite to each other, the first side wall is connected with the third side wall in a hanging mode, the fourth side wall is provided with a movable piece, and the locking piece is arranged on the movable piece. The movable part and the second side wall can be switched between connection and separation, so that the fourth side wall and the second side wall can be switched between connection and separation, the locking part is connected with the second side wall in a sliding mode and connected to the fourth side wall in a locking mode, and the locking part is configured to slide between a first position and a second position in the height direction of the second side wall; when the movable part is separated from the second side wall, the locking part can slide from the first position to the second position, so that the fourth side wall and the second side wall are staggered to form an opening. According to the panel assembly, the disassembly and assembly convenience and disassembly and assembly safety between the panel and the air return grille are both considered.

The utility model discloses a crystal head theftproof plug device, including the shell and key, the shell inside is established with the jack of crystal head plug, the upper end of one end shell is provided with the press piece, the other end shell inside is provided with both sides and is provided with the slot, and both sides the slot between is provided with the plug -in block, the plug -in block top is provided with the lock catch structure, the press piece is restricted to press down after the plug -in block inserts the shell, and is unlocked through the key plug -in lock catch structure pull -out plug -in block. Adopt the utility model structure, can realize further guarantee network connection stability and security.

The utility model discloses a wiring terminal with a locking switch. The wiring terminal comprises a housing, a conductive assembly and at least one control handle. The conductive assembly is arranged in the shell, the control handle is coupled to a first end face of the shell, and the control handle can be switched between a pressing state and a lifting state; the device is characterized in that a locking switch capable of moving between a first position and a second position is arranged on the shell, and when the locking switch is located at the first position, the locking switch is pressed above the control handle in a downward pressing state; when the locking switch moves from the first position to the second position, the control handle can be manually lifted; and the risk of disconnection caused by accidental operation or external force is reduced.

This utility model belongs to the field of balancing valve technology and discloses an adjustable balancing valve, including a valve body. The output end of the valve body is fixedly connected to a connecting flange, and the input end of the valve body is fixedly connected to a positioning flange. A sealing assembly is installed inside the positioning flange. A locking assembly is rotatably connected to the positioning flange near the connecting flange on the outside of the valve body. Several connecting assemblies, evenly distributed on the outside of the valve body, are connected inside the locking assembly. The other end of each connecting assembly passes through the positioning flange and the sealing assembly. This utility model, with the cooperation of the sealing assembly, allows workers to quickly and effectively separate the input and output ends of the valve body at any time, ensuring connection safety. Furthermore, the cooperation of the positioning flange and sealing assembly facilitates the installation of the valve body in environments where the input and output ends of the pipeline are at different distances, effectively improving installation efficiency and applicability.

The invention discloses an environmentally friendly assembled prefabricated component, which relates to the technical field of assembled building components, and comprises: a steel bar skeleton, which is formed by binding and welding a plurality of horizontal and vertical steel bars; a grouting reinforcement component, which is welded to the inner lower side of the steel bar skeleton, and is used for grouting connection with steel bars on other prefabricated components, and for bending and pulling and reinforcing the steel bars on other prefabricated components; a concrete sheath, which is coated on the steel bar skeleton and the grouting reinforcement component to form a concrete wall. The invention can realize staggered bending processing of the upper ends of the connected steel bars through the coordinated arrangement of a compression and bending mechanism and a fixing and adjusting mechanism, and realize the reinforcement of the wall assembly by pulling the steel bars, and even if the hardened grouting material is damaged, the bent steel bars are not easy to fall out of the grouting sleeve, thereby ensuring the connection reliability and safety of the wall.

The invention relates to the technical field of conductive connecting pieces, in particular to a crimping-free double-end wiring terminal which comprises a mounting base, two sealing plates, two sleeves, a locking piece and a connecting piece, mounting holes penetrating through the two sides are formed in the mounting base, the two sealing plates are arranged on the two sides of the mounting base respectively, and the two sleeves are arranged on the two sides of the mounting base respectively. The two sleeves are coaxially connected into the mounting holes in a sliding manner; according to the invention, the mounting seat, the sleeve, the reed and the plurality of locking pieces are arranged, the sleeve is pushed to slide into the mounting hole by applying thrust on the wire, the sleeve drives the plurality of locking pieces to gather towards the center of the sleeve through the reed, and the locking pieces gather towards the center of the sleeve until the inner side walls of the locking pieces are attached to the outer side wall of the wire core. In the connection process, a pressurization tool and a locking tool are not needed, connection can be completed only by inserting the electric wire into the mounting hole, the connection process of the electric wire and the double-end wiring terminal is simplified, and site construction is facilitated.