248results about How to "Guaranteed to lock" patented technology

The utility model relates to an endless needle punching machine, which belongs to the technical field of non-woven machinery. It includes the frame, the upper part of which is fixed with an upper top plate, the bottom is fixed with a base plate, and a pair of upper beams are fixed on the upper top plate; the needle beam and the needle beam driving mechanism are fixed on the bottom of the needle beam and the needle bed is arranged with needles; Pinhole plate; movable beam; movable beam opening and closing mechanism; movable beam lifting adjustment mechanism; features: the right end of the movable beam is set on the vertical shaft, and the vertical shaft is fixed between the upper top plate and the base, and the left end of the movable beam is formed as a free end. The opening and closing mechanism of the crossbeam includes a working cylinder, a pressing arm and a pressing block; an idler roller is arranged on the side of the movable crossbeam facing the pressing block, a tension roller is arranged on the other side, and a limit rod is fixed on the side of the right end of the movable crossbeam. Advantages: it can ensure the locking and opening of the movable beam; when the limit rod set on the movable beam is obstructed by the vertical shaft, the limit opening degree of the movable beam is limited; the movable beam can be lifted and lowered smoothly; the overall structure is simple.

The invention provides a knotless needling machine, and belongs to the technical field of non-woven machinery. The needling machine comprises a rack, a needle beam, a needle beam driving mechanism, a needle hole board, a moving beam, a moving beam opening / closing mechanism and a moving beam lift adjusting mechanism, wherein an upper top plate is fixedly arranged on the top of the rack and a base plate is fixedly arranged at the bottom of the rack; a pair of upper beams are fixedly arranged on the upper top plate; a needle bed is fixed at the bottom of the needle beam; and needles are arrangedon the needle bed. The needling machine is characterized in that the right end of the moving beam is arranged on a vertical shaft; the vertical shaft is fixed between the upper top plate and the baseplate; the left end of the moving beam forms a free end; the moving beam opening / closing mechanism comprises an acting cylinder, a press arm and a press block; a carrier roller is arranged at one side, facing the press block, of the moving beam and a tension roller is arranged at the other side of the moving beam; and a limiting rod is fixedly arranged at the side at the right end of the moving beam. The needling machine has the following advantages: locking and opening of the moving beam can be guaranteed; when the limiting rod arranged on the moving beam is hindered by the vertical shaft, the opening of the moving beam is extremely limited; stable lifting of the moving beam is guaranteed; and the needling machine has a simple integral structure.

The invention provides a preparation method of aluminized paper for beer labels. The preparation method comprises the steps of paper surface treatment, vacuum aluminizing and surface coating of an aluminized layer, wherein the paper surface treatment is carried out by compounding with a base membrane to transfer a coating, an acrylic emulsion of which the solid content is 11-13% and the machine viscosity is 18-20s is adopted to perform back coating before the compounding of paper and the base membrane, and during the back coating, a 300-mesh steel roll is used as a coating roll, the wet coating quantity is 4.5-4.8g / m<2>, the drying temperature is 65-75 DEG C and the machine speed is 90-95m / min; and during compound transferring, the gluing quantity is 5-5.5g / m<2>, the drying temperature is 80-90 DEG C, and the machine speed is 90-95m / min. Compared with a conventional dampening process, the preparation method provided by the invention has the characteristics simple process and low cost; and the aluminized paper obtained by the method provided by the invention is stable and controllable in paper water content and appropriate in alkali penetration time, and is particularly suitable to be used as beer labels. The invention also provides the aluminized paper obtained by the preparation method.

The invention relates to the field of domestic refrigeration equipment, in particular to a nitrogen freshness preservation drawer used in the inside of a freezer. The nitrogen freshness preservation drawer comprises a drawer cavity, a drawer cover part, an air inlet, an air extraction opening and an air extractor, wherein the air inlet and the air extraction opening are formed in the drawer cavity. The air extraction end of the air extractor is connected with an air extraction opening pipeline, an air separating device is arranged on the drawer cavity, the air feeding end of the air separating device is connected with an air inlet pipeline, and the air inlet end of the air separating device is connected with an air outlet end pipeline of the air extractor. A pressure release part is arranged on the drawer cover part, and a locking component is arranged between the drawer cavity and the drawer cover part. According to the nitrogen freshness preservation drawer, the drawer cavity can be independently formed in the freezer, the original structure of the freezer is basically not affected, the structure is simple through a nitrogen separating mode, a pressure release mode and a locking mode, and using is convenient.

The invention provides an electric multistage actuating cylinder retracting and releasing locking device which comprises an outer cylinder, a middle cylinder, an inner cylinder, a screw and a two-stage steel ball lock mechanism mounted on the outer side of the screw. The outer cylinder, the middle cylinder and the inner cylinder are three coaxial sleeves which are sequentially embedded mutually, the middle cylinder and the inner cylinder are fixedly connected with the two-stage steel ball lock mechanism respectively, and the steel ball locking mechanism drives relative motion of upper and lower locking sliders and upper and lower sliding sleeve through joint action of the screw and upper and lower elastic elements so as to realize locking and unlocking of upper and lower steel balls; a steel ball lock is a mechanical lock, so that the device can bear high impact load in a locked state; an internal thread of the lower sliding sleeve does not be meshed with an external thread of the screw when a multistage actuating cylinder is at a fully-retracted position, and after the middle cylinder and the inner cylinder complete locking through an upper-stage steel ball lock mechanism, the inner cylinder drives the lower sliding sleeve to move upwards so as to be meshed with the screw to complete unfolding of the middle cylinder, so that due to this stage-by-stage unfolding mode, the multistage actuating cylinder is long in unfolding stroke and needless of manual operation in the process of retracting and releasing.

The invention discloses a wireless earphone charging box and belongs to the technical field of smart earphones. The wireless earphone charging box comprises a lower case equipped with an earphone slotfor receiving a wireless earphone; an upper case rotatably connected with the lower case; a driving motor fixed to the lower case; and a transmission component connected to the driving motor and theupper case, wherein the driving motor drives the transmission component to move in order that the upper case covers or opens the earphone slot. The technical solution of the invention can ensure the stability of the connection between the upper case and the lower case while facilitating the opening of the upper case relative to the lower case.

A vehicle charge transfer device and a vehicle having the same are disclosed, A vehicle charging transfer device includes a charging seat connection portion, A locking device of that charging gun connection part and the char seat, A locking device for a charging base includes a drive portion, secondary locking part, A lock portion of that char seat and a sensing device, As that char seat locking portion is in the first locking position, The secondary locking portion is adapted to stop the sensing device and lock the charging seat locking portion, and when the charging seat locking portion is in the first unlocked position, the driving portion is adapted to drive the secondary locking portion away from the sensing device and the charging seat locking portion, and the sensing device is adapted to sense the secondary locking portion away from the sensing device and stop the driving portion from driving the secondary locking portion. The vehicle charging transfer device according to the invention improves the charging universality of the vehicle, improves the experience of using the vehicle, can ensure the safety of charging operation, and the charging seat locking device can realize intelligent unlocking and is more convenient to use.

The invention discloses an air purifier with a hypergravity device. The air purifier comprises an air inlet and an air outlet. The hypergravity device is located between the air inlet and the air outlet. The hypergravity device comprises a housing provided with an enclosed purification chamber in the housing interior, a rotation shaft rotatingly installed in the purification chamber, a motor provided with a motor output shaft in a linkage fit relationship with the rotation shaft, purification brush hair fixed to the shaft wall of the rotation shaft and having the length greater than or equal to a distance between the shaft wall of the rotation shaft and the inner wall of the purification chamber, and water inlet and outlet mouths arranged on the purification chamber. The air inlet is connected to the lower part of the purification chamber and the air outlet is connected to the upper part of the purification chamber. Ozone water enters into the purification chamber and adheres to surfaces of the purification brush hair. Along with rotation of the purification brush hair, the surface area of the ozone water is increased by drawing and the ozone water fully contacts with contaminated air so that purification effects are obtained. The air purifier has thorough air cleaning effects, can remove various pollutants in air and can prevent secondary pollution.

The invention relates to a DLC (Data Link Connector) plug. A locking sleeve which is fixed on an inner shell of the DLC plut is sleeved at the outer side of the inner shell, the front section of the locking sleeve is provided with more than two elastic claws which overhang forward, an outer shell is slidingly sleeved at the outer side of the locking sleeve, a locking block which is in locking matching with a locking groove of an adaptive socket is arranged at the front end of each elastic claw, the locking blocks are located in locking holes arranged on the circumferential surface of the outer shell and also protrude out of the circumferential surface of the outer shell, a DLC plug module is slidingly arranged in a front-and-rear through inner hole of the inner shell by a fixed shell, a slide and guide structure is arranged between the matching faces of the fixed shell and the inner shell, the front part of the fixed shell is ejected against and matched with the inner shell, the rear part of the fixed shell and the inner shell are elastically ejected against and matched with each other through an elastic thrust element, the DLC plug module is fixedly arranged in the fixed shell, and a setting structure which makes the duplex clip of the DLC plug module stay in a screw-down state is arranged at the front end of the fixed shell.

The invention discloses welding and shape-correcting tooling equipment for vehicle frames of passenger vehicles and a use method of the welding and shape-correcting tooling equipment. The welding and shape-correcting tooling equipment comprises a base platform, locating pin units, workpiece clamping units, shape-correcting units, lifting units, a vehicle frame subjected to shape-correcting, an oil cylinder, a fixing plate, connection rods, pressing blocks, a clamping arm, positioning blocks and a stop block, and is characterized in that the locating pin units, the workpiece clamping units, the shape-correcting units, the lifting units and the vehicle frame subjected to shape-correcting are arranged on the base platform; the welding and shape-correcting tooling equipment has the characteristics of being simple in structure, low in cost, convenient for operation and good in correcting effect; the oil cylinder is utilized to output strong power, and a four-bar linkage locking principle is utilized, so that good compressing, locking and shape-correcting effects on the vehicle frame are ensured; the whole shape-correcting process can be finished automatically by machinery; the efficiency is high; the safety is high; the qualification rate of the vehicle frames subjected to shape-correcting can be above 90%; and the yield is greatly improved.

The invention relates to a device (101) for varying the control time of a gas exchange valve of an internal combustion engine, which has a hydraulic adjustment device (102) and a control valve (103). The device (101) according to the invention is provided with an intermediate position locking of the hydraulic adjustment device (102). Furthermore, the device (101) according to the invention ensures that, when the adjustment unit (112) is interrupted, the control valve (103) is adjusted, the hydraulic adjustment device (102) is locked in the middle position and the locking remains until the adjustment unit (112) repair. Furthermore, the device (101) according to the invention can start the internal combustion engine in the locked position in the middle position without the movable element (105) of the hydraulic adjustment device (102) hitting the pressure chamber (104) when the internal combustion engine is started.

The present invention relates to an improvement of structure of source bottle special-purpose combined pipe valve component, belonging to the field of chemical product pipeline sealed connection technology in IT industry. Said combined pipe valve component includes the following several portions: valve body lower locking cap which it tightly mounted on the source bottle gas pipe, two-way angle valve body whose lower port external screw-thread is screw-combined in internal screw-thread of valve body lower locking cap, valve core which is screw-mounted in described valve body from top to bottom, and valve port locking cap which is screw-turned in valve body side port and is used for locking hose. Its improved place lies in that the side port and lower port of the described valve body are respectively equipped with inwards-recessed cone hole whose external portion is large and internal portion is small, in the described cone hole a cone cover matched with said cone hole is inserted, and the external end face of the described cone cover and the bottom plane of internal screw-thread hole of the correspondent locking cap are flush-leveled.

The invention relates to a locking device for a wide inner ring bearing, which comprises a bearing inner ring. A bush is arranged in the bearing inner ring, and a locking nut is arranged between one end of the bush and one end of the bearing inner ring. An inner circle of the bearing inner ring and an outer circle of the bush are tapered, and the tapers of the inner circle and the outer circle are equal. The locking device is characterized in that a large diameter end of the bearing inner ring extends out of one end of an outer ring, a large diameter end of the bush extends out of the large diameter end of the bearing inner ring, and the outer circle at the outer extending end of the bush is provided with a circumferential lug boss. The bush inside the circumferential lug boss and the bearing inner ring are fixedly matched in the circumferential direction and slidingly matched in the axial direction. The outer end of the locking nut is provided with circumferential inner convex edges for locking among main shafts of the bush and between the bush and the bearing inner ring. The locking device not only can ensure the locking between the bearing and the main shafts and prolong the service life of the bearing, but also can save steel and lower production cost. The locking device is applicable to the connection between the wide inner ring bearing and the main shafts.

The invention provides an adaptive closed fixture for a live working insulator of a power transmission line. The adaptive closed fixture mainly comprises a front clamping body, a rear clamping body, a front clamping cover and a rear clamping cover, wherein the front clamping body and the rear clamping body are applied to front and rear steel caps of the insulator respectively; the front clamping cover and the rear clamping cover are matched with the front clamping body and the rear clamping body respectively; the front clamping body and the front clamping cover, and the rear clamping body and the rear clamping cover are connected together through pin shafts at one end respectively; semi-arc grooves with the same radius are formed between the front clamping body and the front clamping cover, and between the rear clamping body and the rear clamping cover respectively; a round bayonet capable of clamping the steel caps of the insulator is formed in the middle when the front clamping body and the front clamping cover, and the rear clamping body and the rear clamping cover are hinged into a whole respectively; the other ends of the front clamping body and the front clamping cover, and the rear clamping body and the rear clamping cover are connected with clamping bolts with fixing nuts through the pin shafts respectively; and in the round bayonet in the middle of the front clamping body, the front clamping cover, the rear clamping body and the rear clamping cover, a large inclined plane is arranged at least from one side surface to the other side surface and a large reducing tapered bayonet is formed.

The invention provides a micromovement oil cylinder locking mechanism of a clamp type double-template full-automatic foamed plastic forming machine, relates to a full-automatic foamed plastic forming machine, in particular to a locking mechanism of the clamp type double-template full-automatic foamed plastic forming machine; the locking mechanism is driven by a locking oil cylinder, the locking mechanism comprises a locking plugboard base, a locking plugboard is fixed on the locking plugboard base, a locking head is arranged on the locking plugboard which is connected with a plugboard air cylinder, and the plugboard air cylinder controls the locking plugboards at two sides at the same time; in the invention, a driving oil cylinder and the locking oil cylinder are separated out to realize the position of a parting line of a mold to be fixed, and the location is convenient for adjustment when mold setting is carried out. The stroke of the micromovement oil cylinder of the mechanism is no more than 50mm; furthermore, multi-point locking technology is adopted, mold locking force is increased by 20 percent compared with the traditional machine type, and the sealing performance of the parting line of the mold is greatly increased.

The invention discloses a fixture for detecting the bonding performance of a fiber cement substrate and a detection method. The fixture comprises an upper cylindrical connecting seat and a lower cylindrical connecting seat which are connected with the supporting sleeve of a drawing test machine; the upper cylindrical connecting seat and the lower cylindrical connecting seat are respectively connected with an upper clamp and a lower clamp through an upper force transmitting screw and a lower force transmitting screw; the upper clamp includes an inverted-U-shaped steel frame and a perforated steel plate; the lower clamp comprises a U-shaped steel frame, a rigidity support and a wire winding roller shaft; the wire winding roller is movably sleeved with an annular clamping tool; the annular clamping tool is provided with a locking bolt; the annular clamping tool presses the wire winding roller shaft through the locking bolt; and an extensometer is vertically disposed between the upper clamp and the lower clamp. The fixture is reasonable in design and is locked by means of a winding mode. The fixture is suitable for samples such as fibers or metal wires that are difficult to clamp and easy to break. With the fixture and detection method adopted, various links in the bonding force test of fibers such as steel fibers, and flexible fibers, and cement substrates, have high coordinationperformance, the efficiency of the test can be performed, and the accuracy of the test can be ensured.

The invention discloses a rail front protecting door system of rail traffic interval. The rail front protecting door system of rail traffic interval comprises a door frame (3), a door body (6), a branch box (1), a travel switch connecting wire (2) and an electromagnetic lock connecting wire (7). A heavy duty hinge (4) is arranged between one side of the door body (6) and one side of the door frame (3). The door body (6) is provided with a mechanical bar pushing lock (9). An electromagnetic lock (8) is arranged between the other side of the door body (6) and the other side of the door frame (3). A travel switch (5) is arranged on the door frame (3). According to the rail front protecting door system of rail traffic interval, the door body adopts an internal and external steel plate structure with frameworks and fireproof thermal insulation cotton, a combining mode that the mechanical lock pushes a bar to trigger the electromagnetic lock is adopted, the fatigue resistance of the door body is high, the problems of door body deformation and falling-off are solved effectively, lock tools are reliable, the state of a door can be monitored in real time, and maintenance and care are convenient for operational staff.

A multi-functional automatic wall painting machine belongs to the field of constructions, wherein a wall painting main machine is disposed on a perpendicular frame which is located on the side of a virtual frame close to a wall body; a lifting drive device is connected to the wall painting main machine; a cement mortar hopper is disposed on the wall painting main machine; a wall painting plate is disposed on the side of the wall painting main machine close to the wall body; a conveying belt of which the end part is located on the upper end of the wall painting plate is disposed in the cement mortar hopper; and a vibrator is disposed on the inner side of the wall painting plate. By use of the wall painting machine, wall painting can be implemented automatically, and wall painting efficiency is increased. The working efficiency of the wall painting machine is equal to the working efficiency of at least eight wall painting technicians, so that the wall painting efficiency is increased greatly; manual expenses are reduced; company benefits are increased; construction can be completed on time within a contract term; competiveness among peers in the same industry is enhanced; and users' time requirements are satisfied.

The invention discloses a cabin door locking mechanism simple in structure and high in reliability. The cabin door locking mechanism can lock a key shaft capable of doing the rotation movement and comprises a converting mechanism, a locking mechanism body and a detecting mechanism. The converting mechanism converts the rotation movement of the key shaft into the linear movement. The locking mechanism body and the key shaft are separably arranged, the locking mechanism body is provided with a locked piece, a guiding piece, a plurality of locking pieces and a plurality of driving pieces, and thelocked piece is provided with a plurality of locking holes, wherein the number of the locking pieces is the same as the number of the driving pieces, and the number of the locking pieces is the sameas the number of the locking holes. The detecting mechanism is provided with a plurality of targets and a plurality of sensors, the number of the targets and the number of the sensors are equal to thenumber of the locking pieces, the motion parts of the end portions of the driving pieces are fixedly connected with the locking pieces and the targets, and therefore when the locked piece is moved tothe locking position, the driving pieces drive the locking pieces to enter the locking holes formed in the locked piece; and meanwhile, the multiple sensors detect the positions of the targets so that whether locking is conducted or not can be independently judged.

The invention discloses a driving device of an anti-theft lock. The driving device of the anti-theft lock comprises an electronic control driving device, a manual control driving device, a locking device and a lock case, wherein the electronic control driving device, the manual control driving device and the locking device are all arranged in the lock case; the lock case is an integral casting part and comprises an outer shell, a plurality of gear shafts and a locating post, and a lock pin hole is formed in the outer shell; the electronic control driving device comprises a motor, a worm, a first dual gear, a second dual gear, a first stage clutch gear set, a second stage clutch gear set and a controller; the manual control driving device comprises a lock body, a lock body gear and a transition gear; the locking device comprises a locking part, a press post, a press post spring, a lock pin and a lock pin spring. The driving device of the anti-theft lock can be controlled electronically and manually, overload protection can be achieved through the first stage clutch gear set and the second stage clutch gear set, and therefore the driving device of the anti-theft lock is compact in structure, convenient to use and long in service life.

The invention relates to the technical field of bolt ball machining process equipment, in particular to a fixture for machining a bolt ball on a common lathe. The fixture comprises a base, a horizontal angle scale, a vertical angle scale, a worm, a worm gear, a planetary gear, a sun gear, a transmission shaft, a shaft sleeve, lock pins, an eccentric wheel and a shifting fork. Compared with the prior art, the fixture for machining the bolt ball on the common lathe has the beneficial effects that (1) the clamping efficiency of the bolt ball is improved and the vertical angle scale is prevented from being rotated during machining through the self-locking capability of the worm transmission; (2) the fine adjustment can be performed, the operating error is small, and the machining precision isimproved; (3) the horizontal angle scale is locked through the eccentric wheel and the lock pins, and the operation is efficient and convenient, so that the production efficiency is improved; and (4)the transmission shaft can be driven to vertically slide through the rotation of the eccentric wheel, the fixture is more convenient and efficient during operation through the linkage function, and the production efficiency is improved.

The invention relates to an electromagnetic lock for a manual operation mechanism of a disconnecting switch. The electromagnetic lock comprises a sealing box composed of a base plate and a stainless steel cover and is characterized in that a lock plunger mechanism, a contactor and a manual unlocking mechanism are respectively arranged in the sealing box, wherein the lock plunger mechanism is locked or unlocked by the contactor in order to operate the manual operation mechanism. The contactor has the advantages of long service life, reliable performance and greatly reduces the failure rate; and when the lock plunger mechanism is unlocked without being powered in emergencies, non-power installation and maintenance, the lock plunger mechanism can be unlocked by the manual unlocking mechanism.

The invention relates to a camshaft adjuster (10) for an internal combustion engine, comprising a locking mechanism. At least one locking element (21, 22) which can be locked in the zone of a central position (20) as well as at least one additional locking element (23, 24) that can be locked in the zone of a late final position (19) or an early final position (20) are provided such that the internal combustion engine can be selectively started from the final position (19, 20) or the central position.

The invention provides a pulley frame for an aircraft slat rail. The pulley frame comprises a pair of reinforcing partitions, and the slotted-wing slide rail slides between the pair of reinforcing partitions. At least two pairs of radial rollers and bolt assemblies; and a stop. The radial roller and bolt assembly on the upper side of the slat rail further includes a pair of eccentric bushings supported on both end portions of the bolt shank, and the radial bolts are supported on a pair of reinforcing baffles by a pair of eccentric bushings so that the radial roller can rotate relative to the reinforcing baffles; a stop couples a pair of eccentric bushings to the radial bolts to prevent rotation of the radial bolts relative to the pair of eccentric bushings.

The invention discloses a silicon ingot overturning device, and belongs to the technical field of solar photovoltaic silicon ingot processing. The device comprises a frame capable of receiving the silicon ingot, wherein at least two sets of clamping mechanisms which fix the silicon ingot are arranged on the upper and lower surfaces of the frame, and a short shaft is fixed outside the middle part opposite to the two side surfaces; support arms on both sides of the frame and one ends of the support arms fixed on a base, wherein the other ends of the support arms are provided with holes for the short shaft of the frame to pass through. At least one support arm is provided with a limiting bolt and two holes for inserting the limiting bolt are arranged in corresponding positions on the side surface of the frame. The frame further comprises a handle which is fixed at the end part of the short shaft of the frame passing through the holes of the support arms. According the silicon ingot overturning device provided by the invention, the short shafts are arranged on opposite two sides of the frame, the silicon ingot is placed and fixed in the frame, and the frame rotates at 180 degrees around the axis of the short shaft so that the silicon ingot is easy to overturn.

The invention provides a satellite solar cell sailboard which comprises a sailboard body and an elastic unfolding mechanism, the sailboard body is mounted on a satellite bearing plate and has a foldedstate and an unfolded state, the elastic unfolding mechanism enables the sailboard body in the folded state to be unfolded, and the sailboard body comprises M sub-sailboards connected in sequence. The bottommost sub-sailboards are rotationally connected with the force bearing board, the sub-sailboards are rotationally connected, and the M sub-sailboards are sequentially stacked on the force bearing board in a folded state; when the sailboard body is in a folded state, the external pressing and releasing mechanism provides constraint to keep pressing, and after the pressing and releasing mechanism acts to release the pressing constraint, the sailboard body can be unfolded under the action of the elastic unfolding mechanism. The sailboard is simple and reliable in structure, flexible in design, small in envelope in a folded state and large in expandable area, and can be automatically locked after being expanded; unfolding of the sailboard body is achieved through elastic potential energy accumulated by the elastic unfolding mechanism, no power source or hydraulic driving piece exists, and the complexity of the unfolding mechanism can be effectively reduced.