10results about How to "Strong fastening force" patented technology

The utility model discloses a bolt dismounting device, which belongs to the technical field of bolt dismounting, and comprises a wrench, a dismounting main body, a clamping component and a transmission stop dog, the wrench is provided with a bayonet, and the bayonet can clamp a bolt; the dismounting main body comprises a sliding rod and a force application block, the force application block is arranged on the sliding rod in a sleeving mode and is in sliding connection with the sliding rod, and the force application block can move in the axial direction of the sliding rod; the clamping assembly comprises a connecting plate, a guide plate and two clamping arms, one side of the connecting plate is connected with the end of the sliding rod, the other side of the connecting plate is connected with the guide plate, the clamping arms are slidably connected with the guide plate, and the two clamping arms are arranged at intervals in the extending direction of the guide plate; the two clamping arms can get close to each other or get away from each other so as to clamp or loosen the wrench; the transmission check block is fixedly connected to the sliding rod and located on the side close to the clamping assembly, the force application block can move along the sliding rod and apply impact force to the transmission check block, the bolt dismounting process is effectively achieved, the accidental injury risk caused by manual participation is reduced, and higher safety is achieved.

The utility model discloses a numerical control machine tool drill chuck which comprises a drill bit fixing sleeve, a conical frame is movably connected in the drill bit fixing sleeve, three steel rollers abut against the interior of the conical frame, a drill bit main body is clamped among the steel rollers, an anti-skid groove is formed in one end of the drill bit main body, and the other end of the drill bit main body is fixedly connected with the conical frame. Supporting springs are fixedly connected to the two sides between one end of the conical frame and the drill bit fixing sleeve, the middle of one end of the conical frame is in threaded connection with an abutting screw rod, and one end of the abutting screw rod is fixedly connected with a rotary knob. The rotary knob, the threaded rod, the conical frame and the drill bit body are arranged, the rotary knob rotates to abut against the threaded rod to move towards the rear thread, then the drill bit body can abut against the inner side, at the moment, the conical frame moves towards the rear side through abutting of the pinch bar, and at the moment, the position of a steel roller can be moved; and the drill bit main body can be taken out.

Disclosed is a damping adjustment mechanism of a shock absorber, which comprises a piston rod arranged in a main cylinder, a connecting sleeve detachably connected to the other end of the piston rod, a first through hole axially formed in the piston rod, a plunger arranged in the first through hole, one end of the plunger arranged in the connecting sleeve, a valve needle fixed to the other end of the plunger, a damping adjustment tube arranged beside the valve needle, the damping adjustment tube fixed in the first through hole of the piston rod, a tapered head part of the valve needle arranged in the damping adjustment tube, a second through hole formed in the side wall of the piston rod at the valve needle, a knob nut screwed on the connecting sleeve, a long through hole radially formed in the side wall of the connecting sleeve, an annular notch formed in the inner wall of the knob nut, a roller arranged in the long through hole of the connecting sleeve, the two ends of the roller arranged in the annular notch of the knob nut, and one end of the plunger capable of abutting against the side surface of the roller. The damping adjustment mechanism enables the roller forming the gear to be arranged at the outer end of the piston rod, which is arranged outside the main cylinder, so that the outer end is convenient for assembly and maintenance.

The utility model discloses a hose clamp with strong fastening force, and relates to the technical field of hose clamps, the hose clamp with strong fastening force comprises a clamp belt, a fixing mechanism comprises a limiting shell, a threaded rod, a rotating block, a connecting hole, a fixing block and a pulling plate, the connecting plate is arranged and matched with the limiting shell, when an adjusting screw is rotated to tighten the clamp belt, the pulling plate is pulled out of the limiting shell, and the pulling plate is pulled out. At the moment, a limiting shell is clamped outside an adjusting screw, a rotating block is rotated upwards, a connecting plate is rotated downwards to enable the connecting plate to enter a connecting hole, a threaded rod is rotated to enable the end of the threaded rod and the limiting shell to fix the rotating block, and a pulling plate is pushed to drive a fixing block to enable the fixing block to enter a mounting hole; at the moment, the rotating block and the connecting plate are connected, the distance between the limiting shell and the strap is fixed, and the clamped adjusting screw cannot rotate, so that the probability that the adjusting screw is loosened or displaced when an object bound by the hose clamp vibrates is reduced, and the fastening force of the hose clamp is ensured to be strong.

The utility model relates to the technical field of spline shafts, in particular to a spline shaft with a spline replacement structure, which comprises a main shaft, a spline main body is arranged on the main shaft, and a positioning mechanism used for distributing the spline main body on the outer side of the main shaft at equal intervals is arranged between the main shaft and the spline main body. A limiting mechanism used for stably limiting the spline body on the outer side of the main shaft is further arranged between the main shaft and the spline body. The first connecting plate is driven by the displacement mechanism in a threaded connection mode to drive the inserting block and the inserting groove to be in clamped butt joint, due to the fact that threaded connection has higher fastening force, loosening and displacement between the spline body and the main shaft can be effectively prevented, the stability and safety of spline body installation are improved, and the service life of the spline body is prolonged. The technical problems that when a spring is in a high-load or vibration environment, pretightening force is prone to being weakened, so that a connecting part is loosened or slides, and the stability of spline installation is reduced are solved.

The invention relates to the field of manufacturing vibration-damping components for rail vehicles, and specifically discloses a method for preventing separation of two-flap outer shells in a swing arm node and a swing arm node, wherein a buckle structure is matched and arranged at the connection between the two-flap outer shells, and the clamping force of the buckle structure is used to balance the axial component force f generated by the reaction force of extruding rubber, which tends to separate the two-flap outer shells axially outward, thereby preventing the two-flap outer shells from separating; wherein the swing arm node comprises a core shaft, a rubber body and an outer shell, the rubber body is vulcanized between the core shaft and the outer shell, the outer shell is a two-flap paired structure comprising an outer shell 1 and an outer shell 2, and mutually matching buckle assemblies are arranged on the paired surfaces of the outer shell 1 and the outer shell 2, the buckle assembly comprises a clamping groove and a clamping block, and the outer shell 1 and the outer shell 2 are clamped by clamping the clamping block in the clamping groove.

The utility model provides a plastic oil filling port. The plastic oil filling port comprises a plastic oil filling port main body, a connecting port, a first thread and a second thread, the connecting port is formed in one end of the plastic oil filling port main body; the first thread is arranged on the inner wall of the plastic oil filler main body; the second thread is arranged on the inner wall of the plastic oil filler body and located above the first thread. According to the plastic oil filling port provided by the utility model, the first thread and the second thread are arranged on the plastic oil filling port main body with the connecting port, so that compared with the traditional simple plug-pull type or single thread connection, the double-thread design provides stronger fastening force, and the plastic oil filling port has the advantages that the fastening force is stronger in the case of bumping and vibration in the running process of a vehicle; the double-thread connection can greatly reduce the possibility of loosening of the oil filling port, so that the risk of fuel oil leakage is reduced, the safety of a vehicle, a driver and passengers is guaranteed, and meanwhile fuel oil waste and environmental pollution are avoided.

The utility model discloses a self -tapping bush mounting tool, including self -tapping bush pole, the fixed connection in the end of self -tapping bush pole's M tooth pole and the positioning sleeve of the sleeve joint in the outside of self -tapping bush pole, still include the automatic feed mechanism of setting between self -tapping bush pole and positioning sleeve. The utility model positioning sleeve can tightly assemble the self -tapping bush on M tooth pole, completes the installation of self -tapping bush, after completing the installation of self -tapping bush, self -tapping bush pole stops rotating, then self -tapping bush pole and positioning sleeve stop relative rotation, and positioning sleeve slides away from M tooth pole's direction under the tensile spring's tensile force effect, make positioning sleeve and self -tapping bush pole separate, avoid M tooth pole from the self -tapping bush and take out the situation of driving it to separate from the parent material, set up as the rotary connection between tensile spring and self -tapping bush pole, make tensile spring can pull positioning sleeve reset, and avoid its influence relative rotation between self -tapping bush pole and positioning sleeve simultaneously.

The utility model discloses a power transmission line mounting clamp relates to building power transmission line installation technical field. Its structure includes wire installation hanger, clamping seat and cap nut, and wire installation hanger is provided with a row of hook groove board and a row of U -shaped groove for installing power transmission line, wire installation hanger is provided with the wire inlet and outlet port for the inlet and outlet of power transmission line, clamping seat passes through wire installation hanger and is connected with cap nut thread, and clamping seat is pressed on U -shaped groove. The utility model discloses simple and clear structure, and the wire installation hanger is equipped with hook groove board and U -shaped groove, and it is convenient to install power transmission line fast, and the mounting clamp can be fixed on the roof or wall conveniently, improves installation efficiency, and wire installation hanger is provided with the wire inlet and outlet port, and the orderly installation and disassembly of different cable are facilitated, and it is convenient to take out old wire when replacing new power transmission line, and the disassembly step of mounting clamp is simple, just needs to loosen cap nut, can take out clamping seat and power transmission line easily, and it is convenient to maintain and replace.

The invention relates to the technical field of endoscope detection, and discloses an airtightness detection device and method for an insertion part of an endoscope, the insertion part of the endoscope comprises a main hose and a head end part, and the head end part is connected to one end of the main hose in a sealing manner; the air tightness detection device for the insertion part of the endoscope comprises a sealing joint, a sealing pipe and a leak detection device, the sealing joint is connected to the other end of the main hose, a first through hole is formed in the sealing joint, and the first through hole is communicated with the interior of the main hose; the sealing pipe comprises a first sealing end and a second sealing end, and the first sealing end is in sealing connection with the sealing joint; according to the invention, the whole machine of the endoscope is installed after the air tightness of the insertion part is ensured to be good, the product quality of the whole machine of the endoscope is improved, and the labor and material cost is saved.