71 results about "Blade handle" patented technology

A rotatable tool which may include a blade, handle, a multi-positional radially rotating placement system, a spring bias lock mechanism, and a user activated unlock mechanism, and the like. Methods of use thereof by a user or other persons, possibly for instances such as self-defense, survival, cutting, perforating, slicing, sawing, chopping, tradecraft, or the like are also included.

The utility model provides an adjustable stator blade sealing device of an aero-engine, which is characterized in that an external shaft sleeve is arranged on a blade handle and rotates along with the blade handle; the internal shaft sleeve is mounted between the blade handle and the external shaft sleeve, the internal shaft sleeve is provided with a cavity, and a mounting shaft hole of the adjustable stator blade is matched with the cavity; a first sealing structure and a second sealing structure are arranged between the external shaft sleeve and the internal shaft sleeve, and the internal shaft sleeve and the external shaft sleeve are tightly sealed through cooperation of the first sealing structure and the second sealing structure. According to the utility model, a sealing mode of combining gas path sealing and labyrinth sealing is adopted, and the shaft sleeve at the blade handle and the bushing at the shaft hole of the casing are matched for sealing, so that the sealing performance of the gas compressor is improved, the water leakage problem at the VSV blade handle of the gas compressor is effectively reduced, the accuracy of T3 temperature change data is improved, and the reliability of a test result is enhanced.

The utility model provides an adjustable induced draft fan impeller blade handle shaft anti-falling bush, which relates to the technical field of bushings, and comprises a hub, blades and a flange, and the outer end part of the hub is provided with a blade handle hole. The wear-resistant composite flange bushing with the flange structure is arranged between the flange and the hub, and the flange is mounted on the inner side of the blade handle hole, so that when a centrifugal force is generated during operation of the fan rotor, the flange directly blocks the flange bushing from moving outwards, the effect of the centrifugal force on the flange bushing is counteracted, the flange bushing is effectively prevented from falling off from the blade handle hole, and the service life of the fan rotor is prolonged. The problems of rotation jamming of the blade handle shaft, failure of a blade adjusting function, drifting of movable blades, aggravation of equipment operation vibration and the like caused by falling of the flange lining are avoided, safe and stable operation of a unit is guaranteed, meanwhile, the flange lining is made of a composite material, the composite material has self-lubricating performance and abrasion resistance, the lubricating effect of the blade handle shaft when the blade handle shaft rotates in the blade handle shaft hole is guaranteed, and the service life of the blade handle shaft is prolonged. Friction loss is reduced, and the service life of parts is prolonged.

The application discloses a die for a coaxial cable spiral metal pipe conductor and a texturing method, and technical scheme points are as follows: a metal pipe body, a texturing assembly arranged outside the metal pipe body and used for improving texturing productivity of the coaxial cable spiral metal pipe conductor; the texturing assembly comprises a texturing cutter seat arranged outside the metal pipe body, a plurality of first fixing holes are formed in one end of the texturing cutter seat, a plurality of positioning columns are fixedly installed at the other end of the texturing cutter seat, and a head outer circle is arranged outside the texturing cutter seat; the super wear resistance of a tungsten steel blade edge is combined with a reversible design of a double-blade handle, so that the total effective processing mileage of a single set of tooling is improved by several times compared with a traditional die, which directly leads to a significant decrease in die amortization cost of a unit length product and a significant reduction in time loss and labor cost caused by stoppage and die replacement.

The application discloses a cutting scissors with a PVD coating and a cutting method, which comprises a finger blade, a thumb blade, a finger blade handle, a thumb blade handle, a hinging assembly, a lever assembly and a buffer assembly; the finger blade handle is fixedly installed at the end of the finger blade, the thumb blade handle is fixedly installed at the end of the thumb blade, and the finger blade and the thumb blade are hinged through the hinging assembly; the lever assembly is arranged between the finger blade and the thumb blade, the buffer assembly is arranged between the finger blade and the finger blade handle, and the metal surfaces of the finger blade and the thumb blade are provided with PVD coatings; the cutting method can realize the following effects: when the two blades are completely closed, the unique lever structure and the buffer structure are used to continuously exert a shearing force, so that the labor of the user is saved, and the exertion strength of the user is reduced; in combination with the PVD wear-resistant coating process, the surface of the product after coating is similar to the surface of a machined coating milling cutter, so that the wear-resistant service life and the sharpness durability of the scissors are greatly increased.

A cervical disc instrument that includes a handle that defines a cavity therein, a trial head, and a blade. The trial head is removably coupled to the handle and configured for insertion into a disc space. The blade is disposed in the cavity of the handle and configured to cut a surface that at least partially defines the disc space when the trial head is located in the disc space.

The clamp comprises a base, a clamping assembly and a cover plate, a plurality of fixing grooves are formed in the base at equal intervals, first connecting pieces are arranged in the fixing grooves, the first connecting pieces are configured to connect the base to a machine tool, the clamping assembly comprises a hydraulic piece and an extrusion piece, and the hydraulic piece and the extrusion piece are arranged on the base. The hydraulic part comprises a mounting part and a clamping part, the mounting part is fixedly mounted on the base through the cover plate, the clamping part is configured to clamp a blade handle part, a liquid storage channel is formed in the clamping part, an extrusion part is arranged at an opening of the liquid storage channel, and the extrusion part is configured to extrude liquid in the liquid storage channel so as to enable the inner wall of the clamping part to generate strain; and the blade handle part is extruded, so that the blade handle part is fixed. According to the clamp, the liquid in the liquid storage channel is extruded through the extrusion piece, so that the inner wall of the clamping part generates strain to fix the blade handle part, uniform and stable clamping force is provided for the blade handle part, and the machining precision of the coaxiality of the blade handle part of the gas turbine is improved.

The present invention discloses a blade mounting structure and a medical plastic surgery mobile phone, relating to the technical field of medical plastic surgery instruments. The blade mounting structure includes a mounting shaft tube, the interior of which is provided with a mounting cavity for housing a blade handle. The end of the blade handle away from the blade is provided with a stopper, and the connection between the stopper and the blade handle is provided with a notch. The blade mounting structure also includes a first positioning block and a second positioning block. The first positioning block is fixedly disposed in the mounting cavity and is configured to fit into the notch to limit the axial movement of the blade handle. The second positioning block is slidably connected to the mounting cavity and is configured to abut the side of the stopper to limit the circumferential movement of the blade handle. The technical solution provided by the present invention can improve the connection firmness between the blade body and the medical plastic surgery mobile phone.

The present invention discloses an airflow-supplying intelligent lawn mowing power machine, which relates to the technical field of lawn mowers, including a lawn mowing mechanism, a lawn mowing supporting and moving mechanism, a blade protection mechanism, a handheld control mechanism and a grass blowing and heat dissipation multifunctional mechanism. The lawn mowing mechanism includes a fan-shaped bottom cover, a lawn mowing blade and a power component. The top of the fan-shaped bottom cover is fixedly connected to a fan-shaped cover plate by fixing screws. The rotating drum is rotatably installed at the center of the circle where the fan-shaped bottom cover is located. Six mounting through holes are provided in a circular array on the side of the rotating drum, and a blade handle is respectively inserted in each mounting through hole. The airflow-supplying intelligent lawn mowing power machine has good protection for the lawn mowing blade. The rectangular lawn mowing blade is not prone to high temperature conditions. When the rectangular lawn mowing blade is damaged, only the damaged one needs to be replaced, and the entire blade does not need to be replaced. The power mechanism of the lawn mower is cooled by supplying air to avoid high temperature conditions that affect its continuous operation.

The utility model discloses a dust collecting device for cleaning a blade handle shaft, relates to the technical field of dust collectors, and aims to solve the problems that dust is accumulated for a long time due to exposure of a feeding hole of the conventional dust collecting equipment, and gaps of elements are blocked when internal element equipment is started. The second overturning plate is installed on the front end face of the dust collecting device body, the upper end of the second overturning plate is rotationally connected with the dust collecting device body through a second electric control rotating shaft, a third overturning plate is arranged below the second overturning plate, and the lower end of the third overturning plate is rotationally connected with the dust collecting device body through a third electric control rotating shaft; two soft telescopic baffles are arranged on the two sides of the inner wall of the third overturning plate, and the two sides of the two soft telescopic baffles are in hot melting connection with the two sides of the inner wall of the third overturning plate and the inner walls of the two sides of the front end face of the dust collecting device body correspondingly.

A cutting tool system includes a cutting tool and optionally a longitudinally extending pole. The cutting tool includes a handle assembly and a blade. The handle assembly has a rearward proximal extension, a forward distal end longitudinally opposite the proximal extension, and a scabbard section extending from the proximal extension to the distal end. The scabbard section defines a longitudinally extending linear slot. The blade has a first end, a second end, and a cutting edge. The first end is pivotally mounted on the handle assembly such that the second end travels in an arc upon pivoting of the blade between a folded configuration, and an unfolded configuration of the cutting tool, in which the blade extends at least partially forward from the handle assembly with the cutting edge removed from the scabbard section and exposed for use.

This utility model discloses a reciprocating rotary cutting medical planer assembly and a medical planer, relating to the field of medical device technology. To address the problems in existing technologies where the planer and power handle are integrated, leading to difficulties in cleaning and clogging of the suction channel, leakage through the handle causing motor damage, and blockage of the inner blade tube during a single surgery, the following technical solution is proposed: It includes an outer blade handle, an outer blade sheath, a tower-shaped spring, a reciprocating lead screw, a drive gear, a transmission shaft, a driven gear, and inner and outer blade tubes. The outer blade handle and outer blade sheath are joined together, with a tower-shaped spring fitted on the outside of the outer blade sheath. The outer blade tube passes through both the outer blade handle and the outer blade sheath. The inner blade tube is located inside the outer blade tube, with a driven gear fixedly fitted at its tail, meshing with the drive gear. This utility model has a compact structure, enabling reciprocating rotary cutting action and improving the efficiency and precision of medical planing.

The application discloses a hub support positioning structure, which comprises a support steel pipe, an outer ring boss fixedly connected to the top of the support steel pipe, an outer ring fixedly connected to the outer side of the outer ring boss, a hub inner ring fixedly connected to the bottom of the support steel pipe, an inner hole arranged in the center of the outer ring boss, and a blade handle in contact with the end face of the inner hole after passing through the outer ring boss, the support steel pipe and the hub inner ring. The application can improve the defects of the prior art, accurately position and install the blade on the hub, and strengthen the hub inner ring and outer ring.

The present invention relates to the technical field of PCB micro-drill processing equipment, and in particular to a fully automatic micro-drill blade handle welding machine, which includes a workbench and several groups of micro-drill blade handle welding devices arranged on the workbench; the micro-drill blade handle welding devices include a micro-drill blade feeding and clamping mechanism, a micro-drill handle feeding and clamping mechanism, a material receiving mechanism, a grinding mechanism, a blade feeding vibration plate, and a handle feeding vibration plate. The fully automatic micro-drill blade handle welding machine of the present application can realize automatic loading and unloading work, which not only reduces labor intensity and improves production efficiency, but also has low production costs. At the same time, the micro-drill blade and the micro-drill handle do not require the participation of an operator during the welding process, thereby avoiding the strong light, high temperature and toxic gases generated by the micro-drill blade and the micro-drill handle during welding to cause harm to the operator's body.

The invention relates to the technical field of fan blade adjustment, and discloses a counter-rotating type fan blade angle adjusting mechanism and method, the counter-rotating type fan blade angle adjusting mechanism comprises an annular adjusting plate, a movable adjusting part and a plurality of sets of swing parts, and the annular adjusting plate is coaxially arranged in a cavity formed in a fan hub; the movable adjusting part is arranged on the cavity and used for driving the annular adjusting plate to move in the axial direction of the fan hub, and the movable adjusting part comprises at least two sets of lead screw transmission assemblies and synchronous rotation driving pieces; the multiple sets of swing parts are connected between the blades and the annular adjusting plate in a one-to-one correspondence mode and used for converting linear movement of the annular adjusting plate into angle rotation adjustment of the blades, each swing part comprises a blade handle shaft, a swing arm and a sliding connecting piece, each blade handle shaft is rotationally connected with a fan hub, and the two ends of each blade handle shaft are fixed to the corresponding blade and the corresponding swing arm respectively; the angle adjusting mechanism is compact in overall structure, and synchronous adjustment of all the blades in the limited hub installation space of the counter-rotating fan can be achieved.

1. Name of the product in this design: Saw Blade Handle (B). 2. Purpose of this design: A saw blade handle for fixing a saw blade and for hand use. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a garden vegetation shaping device which comprises a trimmer body, the trimmer body comprises a handle, a machine box and a blade, the handle is installed on one side of the machine box, the blade is installed at the bottom of the machine box, an arc-shaped baffle is arranged on the side, close to the blade, of the machine box, a top plate is fixed to one side of the baffle, and the top plate is located above the blade. L-shaped protective plates are hinged to the two sides of the top plate respectively, the two protective plates can rotate synchronously, supporting plates are fixedly connected to the two protective plates respectively, connecting frames are hinged to the free ends of the supporting plates, a vertical rod is fixed to the top plate, and a sliding plate is slidably connected to the vertical rod. When the device is placed in a normal state, the top plate and the two L-shaped protection plates play a role in protecting the blade, the blade is prevented from being touched by mistake to hurt people, when the device is used, the two protection plates synchronously and relatively rotate, the two protection plates are opened, the bottoms of the opened protection plates are higher than the height position of the top of the blade, and then normal use of the blade is not hindered.

The equal-width cutting device comprises a fixing plate and a cutting plate, the cutting plate is fixedly installed on the fixing plate, the right side of the cutting plate is rotationally connected with a handle through a rotating shaft, torsional springs are arranged on the front side and the rear side of the rotating shaft respectively, and button arms of the torsional springs abut against the bottom of the right side of the handle and the top end face of the fixing plate respectively. The left side of the fixing plate is fixedly provided with a torsion spring, the right side of the handle is internally and fixedly provided with blades which are symmetrically arranged front and back, the center position of the front side of the handle is provided with a detachable blocking rod, and the top end of the left side of the cutting board is provided with a kidney-shaped hole used for avoiding the blocking rod. When the left side of the top of the handle is pressed, the handle does anticlockwise motion with the rotating shaft as the circle center, and equal-width cutting of a cutting material can be achieved through the blades symmetrically arranged in the right side of the handle front and back.

This utility model discloses a tissue slitting machine with quick-change blades, including a cutter, a frame, a blade mounting bracket, and a vertical motion drive mechanism. The blade mounting bracket includes a fixed plate, positioning components, a pressure plate, and connecting fasteners. The fixed plate is fixedly connected to the vertical motion drive mechanism. Multiple positioning components are spaced apart on the fixed plate along its lateral direction and protrude from the mounting surface. The cutter handle has multiple through holes extending along its thickness direction. The size of the positioning components matches the size of the through holes and can be inserted into the corresponding through holes. The pressure plate is arranged opposite to the fixed plate to press the blade handle firmly against the fixed plate. The pressure plate has clearance holes to avoid the positioning components. The connecting fasteners allow for detachable connection between the pressure plate and the fixed plate. This tissue slitting machine with quick-change blades enables quick, easy, and reliable installation and removal of the cutter, significantly improving the maintenance efficiency and overall operating efficiency of the tissue slitting machine.

This utility model discloses an overhead shears for pruning branches of *Vernicia fordii*, relating to the technical field of pruning tools. It includes a blade holder, which is Z-shaped overall. A horizontal groove is formed in the middle of the upper end, extending through the front end, and a vertical mounting groove is formed at the middle connection point. This utility model provides strong power for the scissor blades and the blade edge on one side of the blade holder to merge by installing a telescopic rod on the top surface of the lower end of the blade holder, enabling the cutting of thick branches. The funnel-shaped structure and nut at the lower end of the connecting tube facilitate the installation of the connecting rod, making it easier to control the position of the blade holder with both hands. The telescopic rod, slider, stop rod, spring, trapezoidal groove one, and trapezoidal groove two work together to control the up-and-down movement of the scissor blade handle, enabling the scissor blades to close and separate from the blade holder. The tension spring facilitates the quick reset of the scissor blades, ultimately solving the problem of insufficient shearing force in overhead pruning.

The utility model discloses a blade laser quenching processing device which comprises a six-axis robot and a processing machine tool main body, a clamping and rotating main machine head is installed on the processing machine tool main body, a blade handle of a blade to be processed is clamped on a three-jaw chuck of the rotating main machine head, and the six-axis robot is located behind the middle of the processing machine tool main body. A laser irradiation head is mounted at the end part of a mechanical arm of the six-axis robot and faces the surface of the part, needing to be quenched, of the blade; the outer wall surface of a to-be-quenched part at the left part of the blade is coated with an alloy powder layer; and laser of the laser irradiation head irradiates the alloy powder layer. A laser irradiation head is installed at the end of a mechanical arm of the six-axis robot, quenching is achieved by heating an alloy powder layer coated on a blade through laser, the hardness of the quenched position of the blade is further improved, and the six-axis robot can be automatically moved away when not in use, so that different use requirements of a machining machine tool body are met.

1. Name of the product in this design: Saw Blade Handle (A). 2. Purpose of this design: A saw blade handle for fixing a saw blade and for hand use. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A self-defense device includes a handle, a body, an arm, and a blade. The handle is coupled to the body. The arm is coupled to the body and to the blade. The handle, the arm, and the blade are each configured to move relative to the body between a retracted position and an extended position. A releasable latch is configured to hold the handle in the retracted position.

The invention provides a heat exchange plate, a heat exchange unit and a plate heat exchanger using the heat exchange unit, and belongs to the technical field of heat transfer. The plate comprises a plate body, a plurality of strip-shaped corrugated protrusions distributed at intervals in the fluid flowing direction are arranged on the plate body, each strip-shaped corrugated protrusion comprises a plurality of corrugated protrusion sections which are distributed in the length direction of the central axis of the strip-shaped corrugated protrusion, the cross section of each corrugated protrusion section is sickle-shaped, and each corrugated protrusion section comprises a tool bit and a tool holder. The lower grooves are distributed in the length direction of the central axis of the strip-shaped corrugated protrusion, the boundary of one side of each lower groove is limited by the tool bit and the tool holder of the corrugated protrusion section on one side, and the boundary of the other side of each lower groove is limited by the tool holder of the corrugated protrusion section on the other side and the tool bit of the corrugated protrusion section adjacent to the corrugated protrusion section. Every two adjacent lower grooves are communicated through a connecting opening, the connecting openings are located in the height positions between the top faces of the strip-shaped corrugated protrusions and the bottom faces of the lower grooves, and the cross sectional areas of the lower grooves are continuously decreased gradually in the direction from the opening ends to the bottoms. And the heat exchange strengthening effect can be effectively improved.

The utility model discloses a rotary blade which comprises a blade handle, a side cutting part and a tangent part, a side cutting edge is arranged on the soil cutting side of the side cutting part, a tangent edge is arranged on the soil cutting side of the tangent part, the height of the end face of the tangent part is 4-6 cm, and the included angle alpha between the turning radius of the end point of the side cutting edge and the bending line of the rotary blade is 47-50 degrees. And a non-soil-cutting side transition section of the side cutting part and the tangent part is provided with a soil throwing sheet. The soil hardening breaking capacity of the rotary blade is improved, the soil throwing capacity is improved, and tobacco field ridging operation and intertillage operation can be better completed after the rotary blade is used in cooperation with corresponding machines and tools.

The utility model belongs to the technical field of knife handle detection, and particularly relates to an ultrasonic knife handle detection device. The ultrasonic knife handle detection device comprises a pedestal, a carrier plate, a laser displacement sensor and a wireless transmitting mechanism, the carrier plate is slidably arranged on the pedestal, and a connecting hole used for positioning an ultrasonic knife handle is formed in the carrier plate; the laser displacement sensor is arranged on the pedestal and can emit a laser beam to a detection point of the ultrasonic knife handle; the wireless transmitting mechanism comprises a wireless transmitting module and a support, the support is arranged on the carrying plate, the wireless transmitting module is connected to the support in a sliding mode, and the wireless transmitting module is in wireless communication with a wireless receiving module on the ultrasonic knife handle. According to the utility model, by moving the carrier plate and turning the ultrasonic knife handle in the connecting hole, the detection of a plurality of detection points can be realized, no additional detection equipment is needed, the process of repeated adjustment after the ultrasonic knife handle is turned over is avoided, and the detection efficiency of the amplitude can be greatly improved.

The invention discloses an integrated control system based on a wheel excavator, which comprises a key board, a controller, a bulldozing blade handle, a main pump P, a distribution valve V, a rotary joint Z, a reversing valve H, a stop valve A0, a stop valve A1, a stop valve A2, a stop valve B1, a stop valve B2, a left bulldozing blade oil cylinder, a right bulldozing blade oil cylinder, a left supporting leg oil cylinder LZ and a right supporting leg oil cylinder RZ, an oil outlet of the main pump P is connected to a distribution valve V through a hose; a bulldozing blade linkage oil outlet in the distribution valve V is connected to a port 10'of a rotary connector Z through a hose, the port 10 of the rotary connector Z is connected with a port P of a reversing valve H through a hose, and a port A of the reversing valve H is connected to a stop valve A1 and a stop valve B1 through hoses and a three-way connector. And the problem that the stability of the whole machine cannot be met by synchronous lifting of the left and right supporting legs is solved, and the operation efficiency is improved.

1. The name of this design product: Shovel handle shell. 2. Purpose of this design product: used for the upper shell of the shovel handle. 3. The key design point of this appearance design product lies in the overall shape of the product. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a lock catch structure of chicken bone scissors, including lock wheel, the chicken bone scissors include two shearing units, and the shearing unit includes blade and handle, and the blade includes blade part and handle part, and the rear end of blade part is connected with the front end of handle part, and the hinging position of two shearing units includes scissors elastic opening mechanism, and the opposite position of two shearing unit blade blade parts each includes scissors blade, and the blade part of first shearing unit blade is below the blade part of second shearing unit blade, and the lock wheel includes gyro wheel and lock pin, the gyro wheel is arranged in the inside of the upper portion of first shearing unit blade handle part front section, and is hinged with the blade of first shearing unit, the lock pin is eccentric and is fixed on the gyro wheel, and the axis of lock pin is parallel with the axis of gyro wheel, and the upper portion of second shearing unit blade handle part front section includes the clamping slot of backward opening, and when two shearing units are folded and locked, the lock pin of lock wheel is clamped in the clamping slot, the utility model discloses one hand with the thumb can realize the locking or unlocking of chicken bone scissors, and the operation is convenient.

The utility model relates to a blade reinforced connecting structure, which belongs to the technical field of industrial fan blades and comprises blades, a profiling connecting cavity, an upper fixing plate, a lower fixing plate, a profiling cushion, a front cover plate, an arc-shaped blade handle and an arc-shaped connecting steel sheet. According to the blade reinforced connection structure, the arc-shaped blade handle and the front cover plate are high in connection fitting degree, operation is more stable, the profiling connection cavity is connected with the rubber sleeve through left profiling, torque needed by operation of a fan can be effectively transmitted, and shearing force borne by rivets is reduced; the arc-shaped blade handle is matched and positioned with a shaft hole in the tail end of the profiling connecting cavity and is pressed by the front cover plate, bolts are not subjected to shearing force, and connection is reliable; the U-shaped steel sheets are large in tensile strength, free of segmented connection, free of the risk that the steel wire ropes are pulled off, good in attaching degree, integrally attached to the blade handle and the surface of the profiling connecting cavity, capable of absorbing impact loads to a certain extent, directly connected with the bolts penetrating through the profiling connecting cavity, reliable in connection, and free of the risk that threads are pulled off due to stress and the risk that the bolts are pulled off due to stress.