11results about How to "Avoid unstable connections" patented technology

The utility model discloses a modularized pelvis fixator, relates to the technical field of medical instruments, and solves the problem that secondary injury is caused to a patient due to the fact that a connecting rod and a bone traction needle possibly interfere with each other when the number of operation parts is too large in the prior art. The main mounting seat is arranged on the outer trapezoidal supporting frame and used for mounting and locking the connecting rod, more straight line sections can be conveniently connected with the locking block through the outer trapezoidal supporting frame, meanwhile, the trapezoidal structure avoids shielding of an operation space in an operation, and better applicability is achieved; the outer trapezoid supporting frame has the advantages that the fixing rod scheme combination is more visual and convenient, meanwhile, the straight line section and the locking block can be connected more stably, the problem of unstable connection of the arc section is avoided, the inner rectangular supporting frame is adopted on the inner side, the inner operable space is larger, and operation in the operation is facilitated.

This utility model discloses a telescopic air duct high-efficiency heat dissipation structure, relating to the field of heat dissipation structures. It includes a blower and a connecting block located on the left side of the blower. A telescopic corrugated pipe is installed on the left side of the connecting block, and an air duct outlet is located on the left side of the telescopic corrugated pipe. A positioning chamber is installed at the upper end of the blower, and an auxiliary quick-release mechanism is provided inside the positioning chamber. In use, this telescopic air duct high-efficiency heat dissipation structure allows for angle adjustment by pulling the telescopic corrugated pipe, which itself has an angle-adjustable function. After adjusting the telescopic corrugated pipe so that the air duct outlet is aligned with the equipment requiring heat dissipation, the blower is started. The blower delivers air through the connecting block and into the interior of the telescopic corrugated pipe, then exits through the air duct outlet for efficient heat dissipation of the equipment. This design is convenient, simple, and easy to operate.

The present application relates to prestressed concrete box girder construction technical field, disclose a kind of steel strand bundle device and construction method, comprising: anchorage, with steel strand bundle anchoring connection;Traction piece, one end is connected with anchorage, the other end is conical and connects steel wire rope, steel wire rope is from the one end of plastic corrugated pipe, the other end is led out, the other end of steel wire rope is connected with winch.The steel strand bundle is anchored on anchorage, is connected with anchorage and winch by traction piece respectively, can the steel strand bundle is quickly from the one end of plastic corrugated pipe to the other end;The one end of traction piece and winch connection is conical, can greatly reduce resistance in the process of steel strand bundle traction, to improve the efficiency of steel strand bundle through plastic corrugated pipe, reduce the tension requirement of winch.The front end of steel strand bundle is anchored actually in the interior of traction piece, on the one hand can further reduce resistance, on the other hand can also avoid steel strand bundle front end puncture plastic corrugated pipe.

The utility model discloses a detachable keyboard's notebook computer relates to notebook computer technical field, include: the computer that is internally equipped with keyboard cavity, keyboard mechanism, be located in the keyboard cavity. This detachable keyboard's notebook computer, through the use of keyboard mechanism, can synchronous dismount keycap, and, the magnetic force ring board of embedding keyboard frame in with every keycap bottom's metal ring form magnetic attraction connection, make at the time of lifting keyboard frame, all keycap can be synchronized, neatly and together take out, greatly simplify the dismounting process, avoided the risk of losing the scattered parts, realized the integration management and maintenance of keyboard module, this detachable keyboard's notebook computer, through the use of positioning mechanism, can by an angle adjusting motor drive, through the linkage system that the synchronous sprocket, chain and cable constitute, can accurate control the synchronous rotation of multiple positioning rods at the four corners of keyboard cavity, thereby simultaneously release or lock the keyboard frame.

This utility model relates to the field of coal injection guns, and particularly to an auxiliary device for fixing the coal injection gun and the ball valve. It includes an air outlet pipe and a coal injection pipe slidably connected to the inner wall of the air outlet pipe. An adjustment component is provided on the outer wall of one end of the air outlet pipe, and a central box is installed on the outer wall of one end of the coal injection pipe. A sealing structure is provided on the inner wall of the central box at one end of the coal injection pipe. The sealing structure includes a drive box installed on the inner walls of both ends of the central box, a rotating shaft rotatably connected to the top of the outer wall of the drive box on one side close to each other, and a sealing plate installed at the center of the outer wall of the rotating shaft. The adjustment component includes protrusions welded at equal intervals to the outer wall of one end of the air outlet pipe and a threaded hole opened at the center of the protrusion. In this utility model, one end of a stabilizing screw contacts the outer wall of the coal injection pipe, securing the coal injection pipe inside the air outlet pipe. This prevents the coal injection pipe from shaking due to pressure or other factors, reducing wear on the air outlet and improving stability.

This utility model discloses a hanging device for LED screen modules, including: an LED screen module and a hanging device; a plurality of hooks are provided on the top of the hanging device; a positioning post is provided on the top of the LED screen module, and a positioning hole is provided in the middle of the positioning post; a connection hole corresponding to the positioning post is provided on the bottom of the hanging device; and a locking mechanism for detachably connecting with the LED screen module is also provided on the hanging device. Compared with traditional LED screen module hanging devices that connect the hanging device and the LED screen module through a plurality of nuts, this LED screen module hanging device allows for convenient and quick installation and disassembly of the hanging device and the LED screen module, reducing the difficulty of operation, reducing labor intensity, and improving work efficiency; and the locking mechanism connects with the positioning hole in the locked state, so that the positioning hole and the locking mechanism can achieve precise positioning in the locked state, ensuring the connection accuracy between the LED screen module and the hanging device, and improving the stability and reliability of the connection.

The utility model discloses a gear motor, which comprises a motor shell and a speed reducer shell, and the motor shell is provided with a first connecting part and a first connecting surface; a second connecting part and a second connecting surface are arranged on the speed reducer shell, and the second connecting part is riveted with the first connecting part, so that the speed reducer shell is connected with the motor shell; the first connecting face is used for being attached to the second connecting face after the first connecting part and the second connecting part are riveted in place. According to the utility model, the motor shell and the speed reducer shell are riveted to realize connection and attachment of connecting surfaces, so that the use of parts such as screws and the like is avoided, the problem of unstable connection caused by manual missed screwing of the screws can be avoided, the overall size of the device is reduced, and the integration level of the motor and the speed reducer is improved; and meanwhile, external rainwater, dust and other impurities are prevented from entering the motor shell and the speed reducer shell.

The utility model relates to the field of aviation power car discloses a kind of aviation power car starting performance inspection equipment, including protective plate, the protective plate detachably setting in the inside of outer shell, the right side of the outer shell is equipped with connecting port, the inside movable of the connecting port is provided with upper arc clamping plate, the inside movable of the connecting port is provided with lower arc clamping plate.In the utility model, by the cooperation of protective plate, connecting port, mounting plate, output interface, screw hole, screw rod, rotating plate, upper arc clamping plate, lower arc clamping plate, rotating groove and rotating block, after shell is kept in preliminary through damping position, it can be again tightly abutting with the interface of female seat, double fixing mode improves the connection stability of shell and female seat, effectively avoids the loosening and falling phenomenon caused by external force, to prevent interruption in testing process, ensure the smooth progress of test.

This utility model discloses a bucket shaft anti-detachment pin connection device for engineering machinery, including a bucket; a connecting shaft is provided on the top of the bucket; a connecting mechanism is fixedly connected to the outside of the bucket; the connecting mechanism includes a slot seat, which is fixedly connected to the outside of the bucket, and a connecting strip is provided on the outside of the slot seat. The surface of the connecting strip has a positioning hole. Sliding rods are fixedly connected to both sides of the slot seat, and a transmission plate is slidably connected to the surface of the sliding rods. A positioning strip is fixedly connected to the inner side of the transmission plate. A horizontal plate is slidably connected to the outside of the slot seat, and a vertical baffle is fixedly connected to the top of the horizontal plate. This utility model, by setting up a connecting mechanism, provides a more robust connection method, effectively avoiding the phenomenon that conventional pin connection devices may detach during operation, and ensuring a more stable connection between structures.

This invention relates to the field of circuit breaker mounting box technology, and discloses a modularly adaptable instantaneous circuit breaker integrated mounting box, including an integrated base. The integrated base serves as an overall mounting carrier for assembling protective covers, an instantaneous circuit breaker, and a signal acquisition harness. The instantaneous circuit breaker is detachably and fixedly installed inside the integrated base. Embedded nuts are provided on the support seats on both sides of the integrated base, and the two ends of the conductive busbar inside the instantaneous circuit breaker are respectively connected to the embedded nuts on both sides. Two protective covers are symmetrically installed on the support seats, adopting a flip-open structure and equipped with a vibration-proof and anti-detachment limiting structure to protect the conductive busbar. The signal acquisition harness is connected to the embedded nuts of the integrated base through a pressure plate. The integrated base has an arc guide groove and a harness buckle to limit the harness. A harness avoidance groove is provided below the harness placement position to reserve the bending radius. The harness interface is snapped and fixed in the interface slot on the outside of the integrated base.

This utility model provides a bend-resistant protection structure for flexible hoses used in refrigeration and air conditioning equipment. It includes a first positioning clamp and a second positioning clamp located above the first positioning clamp. It also includes a helical spring positioned between the first and second positioning clamps to wrap around the outer wall of the air conditioning hose, preventing bending. A first docking assembly is installed at the connection between the first positioning clamp and the bottom end of the helical spring, connecting the bottom end of the helical spring to the first positioning clamp. A second docking assembly is installed at the connection between the second positioning clamp and the top end of the helical spring, connecting the top end of the helical spring to the second positioning clamp. This utility model effectively prevents bending of the air conditioning hose during use, ensuring the normal flow of the medium inside the hose; and facilitates quick installation and removal of the helical spring.