1719results about How to "Lock firmly" patented technology

A pressing machine for a liner comprises a programmable logic controller (PLC) control system, a frame, a clamping mechanism, a plugging mechanism, a feeding mechanism, a pushing mechanism and a pressing mechanism. The clamping mechanism is arranged on the upper portion of the frame. A working platform is arranged on the lower portion of the frame. The plugging mechanism is fixedly arranged on the lower end surface of the working platform and corresponding to a positioning hole of the working platform. The pushing mechanism is arranged on a pressing plate of the clamping mechanism. The pressing plate is provided with a transversal linear slide. The feeding mechanism and the pressing mechanism are matched and respectively connected with the pushing mechanism through a mounting plate. The clamping mechanism, the plugging mechanism, the feeding mechanism, the pushing mechanism and the pressing mechanism are all controlled by the PLC control system. The pressing machine is adaptable to assembling of the liner of an oil pump cylinder body of an engine, and capable of realizing automatic operation, improving working efficiency, reducing labor intensity and improving products quality.

The invention discloses an easy-to-manipulate LED lamp, which includes a base installed in an indoor roof and an LED lamp mated with the base, and is characterized in that: a trapezoidal guide block is arranged on the top of the LED lamp, and the A locking block is arranged on the top surface of the trapezoidal guide block, and a power connector is arranged in the middle of the top surface of the locking block. Two locking cavities are symmetrically arranged on the left and right ends of the locking block. In the present invention, the LED lamp is locked It is firm, and the power supply is safe and stable. When installing, the LED light is locked while the LED light is powered on. When disassembling, the LED light is powered off and the LED light is unlocked at the same time. The whole device is easy to operate and greatly increases It improves the installation and removal efficiency of LED lights, effectively avoids electric shock accidents when installing and removing LED lights, and ensures the safety of staff.

An optical probe, comprising:

• • a sheath to be inserted into a body cavity;
  • an optical fiber inside the sheath;
  • an optical component attached to a distal end portion of the optical fiber inside the sheath;
  • wherein a light beam transmitted through the optical fiber is emitted from the optical component toward a body tissue in the body cavity, and
  • wherein the sheath comprises
  • a plurality of balloons spaced at predetermined intervals on a part on the distal end portion side of an outer periphery and capable of inflating/deflating in a radial direction orthogonal to a longitudinal axis,
  • a suction inlet located between the plurality of balloons to draw the body tissue at the part on the distal end portion side of the outer periphery by suction,
  • a balloon inflation port connected to the balloons, and
  • a suction port connected to the suction inlet, and
  • the plurality of balloons are airtightly locked to an body cavity inner wall by supplying a fluid or a gas through the balloon inflation port to pressurize and inflate the balloons, and pressure in a space formed between the plurality of locked balloons and the body cavity inner wall is reduced through the suction port to cause the body tissue to adhere strongly to the part on the distal end portion side of the outer periphery by suction.

The invention discloses a single cylinder bolt type telescopic boom. Any side of a telescopic oil cylinder of the telescopic boom is provided with at least two cylinder bolts; the axial lines of the cylinder bolts are parallel to the diameter which horizontally extends on the cross-section of the telescopic oil cylinder; and the cylinder bolts at the same side are positioned on both sides of the diameter which horizontally extends respectively. The invention also provides a telescopic crane. The invention installs at least two cylinder bolts on both sides of the telescopic oil cylinder, moves the cylinder bolts of the single cylinder bolt type telescopic boom from the middle parts of both sides of the telescopic oil cylinder to the tops and the bottoms, effectively utilizes the space inside the last section of the telescopic boom, provides the enlarging space of the cylinder diameter for the telescopic oil cylinder, improves the bearing capacity of the telescopic oil cylinder, and is favorable for the further large-scale development of the telescopic crane.

The invention discloses a powerful and mechanical automatic-locking hydraulic cylinder, and belongs to the technical field of hydraulic cylinders. The two ends of a cylinder barrel are sealed by a cylinder cover and a cylinder bottom respectively. A guiding column of the cylinder cover is sleeved with a spring. The spring is sleeved with a brake block. The two ends of the spring abut against the cylinder cover and the brake block respectively. The outer circumferential face of the large diameter of the brake block is in sealing fit with the inner circumferential face of the cylinder cover. The end face of the end, with a large-diameter hole, of a locking block abuts against the end face of the step of an inner hole of the cylinder barrel, and the other end face of the locking block abuts against the end face, located at the portion of the cylinder barrel, of the cylinder cover. After a steel ball is put into a steel ball installation hole of a piston, the steel ball installation hole of the piston is matched with an inner hole of the cylinder barrel, and an annular groove of the piston corresponds to a rodless cavity oil port in the cylinder barrel. One end of a piston rod is fixed to a piston rod installation hole of the piston, and the other end of the piston rod penetrates through the cylinder bottom to be located outside the cylinder barrel. According to the powerful and mechanical automatic-locking hydraulic cylinder, the requirement for automatic locking after the piston rod is completely retracted can be met, and the locking state can be kept for a long time under the situation that pressure relief of a hydraulic system is completed or leakage happens until unlocking is actively achieved.

A support collar for cables, pipes or the like includes a head portion having a pass-through opening; two side portions extending from the head portion and ending with abutment portions disposed substantially parallel to the head portion and with a coupling element adapted to engage the collar onto a support plate or the head portion of another support collar; and retaining members within the housing area for retaining firmly the cable or pipe. The retaining members include a clip having retaining arms that extend inside the housing area and can be elastically splayed to engage the cable or pipe due to an elastic pressure exerted transversely thereon. Each of the retaining arms cooperates with a flap that extends into the housing area opposite of the retaining arms, so that the flap is abutted against the retaining arm when the cable or pipe is engaged in the clip.

The invention relates to a longitudinal unfolding mechanism for a direct-connected folding wing. At present, folding wings of all missiles have functions of one time unfolding and locking, and the unfolding time of the folding wings of all the missiles is very short, the unfolding and locking impact is higher, and the interference on the posture of a flying missile is higher. By adoption of a direct-connected cam mechanism design idea, the reliable locking of folding wings of the missiles can be realized at a time. Power is supplied by a gas actuator cylinder and directly drives a cam to movealong a guide rail; and a driven sliding block on the missile wing is contacted with a chute of the cam and moves in the chute of the cam to realize unfolding of the folding wing. By the longitudinalunfolding mechanism, the minimization of a wrapping space of the folding wing is realized, the mechanism is compact, and high-precision and high-reliability folding, unfolding and locking can be realized easily.

A reciprocating saw includes a housing and a support shoe mounted on the front end of the housing which is adjacent to a saw blade. The support shoe includes a guide plate which is partly mounted in the housing and is movable thereabout, and a base plate pivotally connected to the guide plate. The guide plate has a series of recesses or apertures. The reciprocating saw also includes a locking member which is movable in the housing along a first direction and at least a portion of which could be engaged with any one of the recesses or apertures, and an adjusting member which is movable along a direction perpendicular to the first direction from a first position to a second position. T he locking member is disposed between the adjusting member and the guide plate.

A floating fastener includes a connection member fastened to a first plate member with a lock screw member, a retaining member installed in a second plate member, a rotary locking device coupled to the connection member and having a locking shank and a shank head with longitudinal cut planes and insertable through the retaining member, a spring member supported between the top wall of the connection member and a step around the periphery of the locking shank, a knob affixed to the top end of the locking shank and operable to bias the locking shank between a locking position where the shank head is forced into engagement with the retaining member and an unlocking position where the shank head is disengaged from the retaining member, and an elastic cushion ring supported between the connection member and the knob.

The invention relates to a bracket for tooth orthodontics, and specifically discloses a lock plate type self-ligating bracket for tooth orthodontics. The lock plate type self-ligating bracket comprises a substrate plate, a bracket body and a movable lock plate, wherein an arch wire groove is formed in the bracket body, work wings are respectively arranged on two sides of the arch wire groove, the work wing on one side of the arch wire groove is provided with a chute, at least two elastic extrusion rolling shafts are arranged on the groove bottom of the chute in a protruding manner, and the corresponding lower surface of the movable lock plate is provided with a locking blind hole matched with the extrusion rolling shafts. The lock plate type self-ligating bracket has the advantages that the movable lock plate slides smoothly, and locking and unlocking of the movable lock plate are convenient and rapid.

A chip card retaining mechanism for retaining a chip card (50) mounted in an electronic device, the electronic device including a housing (10). The chip card retaining mechanism includes a receiving portion, and a locking member (20). The receiving is formed on the housing for fittingly receiving the chip card therein. The locking member is slidably mounted on the housing and positioned over the receiving portion such that if the chip card is received in the receiving portion, the locking member stably locks the chip card in the receiving portion.

The invention discloses a rotatable lifting device for construction engineering, which relates to the technical field of construction industry equipment and aims to solve the problem in the prior art that a dangerous section of a hydraulic rod is easily broken due to stress concentration during the transfer process of building materials; it includes a hydraulic Rods, connecting rods, support rods, pillars, rotating discs, chassis and clamping devices for clamping construction materials, and also include lifting locking mechanisms, including pulley assemblies, wire ropes, winches, lead screws and for The driving assembly that drives the screw to rotate. The screw is fixedly connected to the winch and is threaded through the axis of the pillar vertically, and the rotation center line of the winch is perpendicular to the axis of the pillar. Tight on the winch. By implementing the technical solution, the gravity of the building material is dispersed at each stress point of the pulley assembly, avoiding the problem that the dangerous section of the hydraulic rod is easily broken due to stress concentration, and improving the safety factor.

The invention provides an internal plugging device of a pipeline. The internal plugging device comprises a central pipe. A guide cone is arranged at one end of the central pipe. A hydraulic drive sluice valve is arranged at the other end of the central pipe. A connection flange, a first lifting lug, a flange connection disk, a hydraulic cylinder, an execution sleeve, a flat key, a second lifting lug, a deblocking ring, an anchoring device, a shearing semi-ring, a sealing device, a shear-resistant semi-ring and the guide cone are sequentially arranged on a pipe body of the central pipe from the end where the hydraulic drive sluice valve is arranged to the end where the guide cone is arranged. The first lifting lug and the second lifting lug are connected with an assistance mechanism respectively. The internal plugging device can be used for blocking a large-diameter pipeline, is reasonable in structural design and easy and convenient to operate, and can guarantee stability and reliability of blocking.

The invention discloses an automatic receiving and transferring device for a pneumatic material conveying system. The automatic receiving and transferring device is connected to a pneumatic conveying pipeline unit used for conveying objects to be conveyed and comprises a cabinet body, and a receiving and transferring pipeline, a supporting and lifting platform unit and a manipulator unit are arranged inside the cabinet body; the upper end of the receiving and transferring pipeline is used for communicating with the pneumatic conveying pipeline unit; the supporting and lifting platform unit is matched with the receiving and transferring pipeline, does lifting motion below the receiving and transferring pipeline and is used for lifting the objects to be conveyed upwards, conveying the objects to be conveyed into the receiving and transferring pipeline for pneumatic conveyance and used for falling down after receiving the objects to be conveyed from the receiving and transferring pipeline; and the manipulator unit is arranged on one side of the lifting platform unit and is used for placing the objects to be conveyed from the exterior of the cabinet body on the lifting platform unit for lifting the objects and conveying the objects pneumatically and used for placing the objects to be conveyed on the lifting platform unit outside the cabinet body. The automatic receiving and transferring device has the advantages that the structure is simple and compact and the automation degree is high.

The invention discloses a stable server device. The stable server device comprises a socket formed in a wall and a plug connected with the socket in a matching manner, wherein a socket slot is formedin the middle part of the bottom surface of the socket; a first forward driving slot is formed in the middle part of the top wall of the socket slot; a second forward driving slot is formed in the right side of the top wall of the socket slot; a third forward driving slot is formed in the socket and positioned above the first forward driving slot and on the left side of the second forward drivingslot. The plug in the data server device is firmly locked, the plug is also powered on while the plug is locked during insertion, and the plug is unlocked while the plug is powered off during extraction, so that the efficiencies of plug insertion and plug extraction are greatly improved, the plug is conveniently extracted and replaced after the plug is damaged, an electric shock accident during insertion and extraction of the plug is effectively avoided, and the life safety of people is guaranteed; in addition, the insertion and the extraction of the plug can be achieved through a motor.

The invention discloses an anti-shedding hemostatic clamp comprising a first clamp arm and a second clamp arm connected through an elastic hinge. Both the first clamp arm and the second clamp arm are in arc structures and match with each other in radian. The anti-shedding hemostatic clamp is characterized in that the free end of the first clamp arm is provided with a hook portion, the free end of the second clamp arm is provided with a hook groove matching with the hook portion, the part, more than 0.01mm away from the hook groove, of the outer surface of the second clamp arm is provided with at least one positioning member extending along the width-wise direction of the second clamp arm, and the hook portion is provided with locking members matching with the positioning members. A group of female-male fastening structures and hook-groove locking structures can produce sufficient locking force so that a blood vessel or tube tissue closed by clamping can be stably and stably closed.

The invention discloses a balance measuring apparatus for tyre so disposed that a upper rim shaft is inserted an insertion hole of a driving shaft which is rotarily driven by a lower rim shaft, and a hollow operation sleeve slides to a cooperation position, a plurality of balls (12) in the upper and lower parts of the circumferential wall which is maintained on the driving shaft and on which the insertion hole is formed being configured to match an annular groove (14a) which is formed on the peripheral surface of the upper rim shaft (14), so that the upper rim shaft (14) is firmly locked circumferentially at the upper and lower positions. In rotation, the invention can inhibit inclination or vibration and swinging of the upper rim shaft (14) in order to increase measuring accuracy.

The invention discloses a shock absorption device for bridge construction. The shock absorption device comprises a bottom plate; the two sides of the top of the bottom plate are fixedly connected with piston cylinders; the opposite sides of the two piston cylinders are fixedly connected with box bodies; the box bodies communicate with the corresponding piston cylinders through communicating pipes; the interiors of the box bodies are movably connected with sliding plates; one side, far from the corresponding piston cylinder, of each sliding plate is fixedly connected with one end of a sliding rod; one end, far from the corresponding sliding plate, of each sliding rod penetrates through the corresponding box body and extends to the exterior of the corresponding box body; the parts of the bottoms, located at the exteriors of the box bodies, of the sliding rods are slidingly connected with the top of the bottom plate; the interiors of the piston cylinders are movably connected with pistons. Through buffering solutions in the piston cylinders and the box bodies, and by matching with a spring between two fixing blocks and employing repulsive force between a first magnet block and a second magnet block, vibration force of the top plate, generated in the bridge construction process is buffered effectively, and the shock absorption device is high in shock absorption effect, applicability and reliability and is convenient and practical.

The invention provides an elastic longitudinal beam and an automobile provided with the same and belongs to the technical field of automobiles. The problem that the length of the existing longitudinal beam of the automobile can not be changed along with the change of the automobile speed is solved. The elastic longitudinal beam comprises an outer longitudinal beam and an inner longitudinal beam, wherein the outer longitudinal beam is fixedly connected to an automobile body; the inner longitudinal beam is connected with the outer longitudinal beam; a driving mechanism and a locking mechanism are arranged between the inner longitudinal beam and the outer longitudinal beam; the driving mechanism can cause the inner longitudinal beam to longitudinally slide along the outer longitudinal beam; the locking mechanism can cause the inner longitudinal beam to be fixed relative to the outer longitudinal beam; and the automobile body is also provided with a control circuit respectively connected with the driving mechanism and the locking mechanism. The automobile provided with the elastic longitudinal beam comprises elastic longitudinal beams arranged on two sides of the automobile body, the front end of the inner longitudinal beam is provided with an anticollision beam, and an energy adsorption box is arranged between the anticollision beam and the automobile body. The anticollision capability of the automobile at a high driving speed can be improved, and the throughput capacity of the automobile during driving at a low speed can be improved.

The invention discloses a thin wall embedded self-lubricating bearing, comprising a plate, wherein the working face of the plate is uniformly distributed with blind holes, and the blind holes are internally provided with a solid lubricant. The manufacturing method of the bearing is as follows: blind holes are machined on copper alloy sheets; then the solid lubricant is pressed in the blind holes in interference fit tightly; the plate surface embedded with the solid lubricant is polished smoothly; lastly the thin wall embedded self-lubricating bearing is obtained after the sheets are sheared and rolled forming. The bearing manufactured according to the method has the advantages of thin wall, small volume and light weight, thereby simplifying the production technology, reducing the cost, and improving the production efficiency.

The invention relates to a dental orthodontic self-locking bracket with a slip cover. The dental orthodontic self-locking bracket comprises a bottom plate and a bracket body with a groove for placing an arch wire, wherein ligation wings are arranged on the two sides of the groove, the slip cover is arranged above the groove, and slip strips are arranged on the two sides of the slip cover; a T-shaped sliding slot is formed on the inner side of the ligation wing on one side of the bracket body and is matched with the slip strips of the slip cover; a guide block and a position-limiting slot are arranged on the lower surface of the slip cover, a guide slot and a salient position-limiting pin are also arranged on the T-shaped sliding slot of the bracket body in a correspondence manner, and by matching, the dental orthodontic self-locking bracket can ensure that the slip cover can form self-locking with the bracket body and can slide back and forth in the position-limiting slot within a limited distance. The dental orthodontic self-locking bracket provided by the invention has the advantages of simple structure and convenience in operation, and can well keep the arch wire in the groove without affecting the normal sliding of the arch wire, greatly shorten the clinical time by reducing the ligation time, and improve and control viral and bacterial infection.

The flap module (1), covering the motor vehicle fuel filler cap, has a trough body (2) with a hinge arm (3) for the tank flap (4). The flap swings on an axis (8) at the body at one end, with a locking section (12) at the other end. A setting motor or electromagnet, as a flap control (20), is at the outer side of the body at the swing axis, to grip the locking bolt (17).