39results about How to "Add self-locking function" patented technology

A hydraulic molding device comprises a pressure unit utilized to supply liquid for processed units, the pressure unit comprises a pressure mechanism utilized to increase low-pressure liquid to high-pressure liquid and a driving mechanism which supplies power to the pressure mechanism, the pressure mechanism comprises a first cylinder, the first gas piston inserted in the inner portion of the first cylinder which is capable of sliding, the first gas piston is closely connected with the inner wall of the first cylinder, a liquid storage cavity is formed between the first gas piston and the partial inner wall of the first cylinder, an outlet is positioned on the first gas piston communicated with the liquid storage cavity, the cross-sectional area of the outlet is smaller than that of the liquid storage cavity, the first gas piston is in driving connection to the driving mechanism. The driving mechanism comprises a generator, bolts and cap nuts engaged with the bolts, wherein the optional one of the bolts and the cap nuts is in driving connection to the generator, and direction of movement of the other one is in driving connection to the first gas piston. The utility model is a pressure device with an automatic block system which is convenient to be controlled, and ensures the quality of work pieces in the fluid pressure manufacturing procedure.

The invention belongs to the technical field of fastening pieces, in particular to a self-locking bolt. The self-locking bolt comprises a first bolt, an elastic module and a second bolt; a first thread hole and a second thread hole are formed in the first bolt; the first thread hole is positioned in the first bolt; the second thread hole is positioned at the lower end of the first bolt; the firstbolt is an external hexagonal bolt; the elastic module is positioned at the middle part of the first bolt; the elastic module adopts a material of spring steel; the elastic module is one part of the first bolt; the first bolt is used for bolt self-locking; the second bolt is an internal hexagonal bolt, and is fixed in the first bolt through the first thread hole; the lower end of the second bolt is contacted with the upper end of the elastic module; and the second bolt is used for extruding the elastic module.

The invention discloses an embryo time difference cultivation device comprising at least one independent time difference cultivation module for culturing samples, wherein the time difference cultivation module comprises a cultivation module and a microscopic imaging system. The microscopic imaging system comprises a light source and a correspondingly matched imaging device. The light source is located at the upper part of the cultivation module, and can move independently in the horizontal axis direction. The imaging device is located at the lower part of the cultivation module, can move independently in the horizontal axis direction parallel to the movement trajectory of the light source, also can move independently in the vertical axis direction perpendicular to the movement trajectory of the light source. Embryos are in independent cultivation spaces, the cultivation environments are independent with each other, and the fetching and placing of the embryos do not interfere with eachother; the embryos do not need to move in the cultivation process and normal development is not interfered; each embryo is photographed independently, and the cumulative exposure time is less.

An overturnable scopper is composed of motor, worm-gear speed reducer and its holder fixed to swinging arm of robot, bevel gear A fixed to output shaft of speed reducer, rotary axle, bevel gear B fixed to said rotary axle, and scooper fixed to said rotary axle.

The invention relates to a large-diameter low-rigidity balancing flexible connecting tube for a moveable flange and a self-locking joint. The connecting tube comprises a flexible tube body and buckling joints, wherein an inner glue layer, a skeleton layer and an outer glue layer are successively arranged in the flexible tube body from inner to outer; the buckling joints are symmetrically arranged at the two ends of the flexible tube body; each of the buckling joints comprises an outer pressing ring and an inner pressing ring; the outer pressing ring is arranged on the exterior of the inner glue layer at the end part of the flexible tube body in a sleeving manner; the front end of the skeleton layer is outward back turned and reversely wrapped on the front end face and the side wall of an annular plate; the inner glue layer, the skeleton layer, the outer glue layer, the outer pressing ring and the inner pressing ring are vulcanized and integrally formed. Through the symmetrical structures at the two ends of the tube body and the structure of the buckling joints, the technical problems of the traditional connecting tube of easiness in creeping, aging and losing efficacy, falling risk, complex joint structure, high dead weight, low flexibility, inferior vibration-reducing noise-attenuating effect, insufficient displacement compensation performance and easiness in cracking of welding joint are solved.

A drawer guide track pressing rebounder comprises a base and a first protecting cover which are fastened to each other. A first hook is mounted on a base in a hinged manner; a first guide track is arranged in the first protecting cover, a first rebounding slider slides on the first guide track, a second hook is arranged at the end, which is in butt joint with the first hook, of the first rebounding slider, the first hook and the second hook can be hooked or separated from each other, a first tension spring is arranged between the first rebounding slider and the first protecting cover, the first tension spring always pulls the first rebounding slider towards the closing direction, and the inner end of the first rebounding slider is abutted to a rebounding hanging block. The drawer guide track pressing rebounder has the beneficial effects that by the structure, pressing rebounding starting of the guide track can be realized, and the using experience of a user is improved favorably.

The invention discloses a mechanical balance valve with a foldable cantilever crane. The mechanical balance valve comprises a first oil port, a second oil port, a valve body, a control valve core, a balance valve core, a high-pressure cavity and low-pressure cavity isolating block and an overflow valve core, wherein the valve body is provided with a pilot control oil cavity, a load cavity and a pilot valve spring cavity; the first oil port is communicated with the pilot control oil cavity; the second oil port is communicated with the load cavity; the control valve core is arranged in the pilot control oil cavity; the balance valve core is arranged in the load cavity; the pilot control oil cavity is isolated from the load cavity; the balance valve core comprises a valve head and a valve rod; the valve head is arranged at one end, which faces the control valve core, of the valve rod; the valve rod passes through a center hole of the high-pressure cavity and low-pressure cavity isolating block; a spring is arranged between the valve head and the high-pressure cavity and low-pressure cavity isolating block; a through hole is formed in the center of the valve rod; a small pilot valve core is arranged in the hole; the small pilot valve core is provided with a groove which is communicated with the load cavity and a high-pressure unloading cavity. The mechanical balance valve has the advantages of high dynamic stability, low control pressure and high locking property.

The invention discloses a high pressure self-locking wall bushing comprising a wall bushing casing (1), a bus perforation (2), a bus (3), a screw (4), inclined structures (5) integrated with the casing (1) respectively arranged on the left and right sides of the bus perforation (2) in the casing (1), pressing members (6) having the same inclined plane with the left and right inclined structures (5) arranged on the inclined structures (5), screw perforations (4-1) and nut copper inserts (7) arranged in the two inclined structures (5) combining with the pressing members (6) through the screw (4) and fixed on the planes of the two inclined structures (5). The wall bushing of the invention increases self-locking function, which can conveniently lock the bus firmly, solve the technical problem of dynamic stability better, ensure that the switchgear under 40.5kV operates more safely and reliably and suit for the occasions on which high voltage live bus is needed cross such as between the cases on the high voltage switchgear, the incoming lines and outgoing lines of the high voltage switchgear and each small isolated cabinets in the cases, especially for the switchgear electrical equipment towards miniaturization trend.

The invention discloses a driver box body structure. The driver box body structure comprises a driver upper box body, a driver lower box body, a motor front end cover and a motor brush rack plate, wherein the motor front end cover is arranged on the driver lower box body, the motor brush rack is arranged on the motor front end cover, a screw hole is formed in a side surface, a brush handle is arranged on the motor brush rack plate, a through hole is formed in the center, openings are formed in a front end and a rear end of the brush handle and communicate with each other, a limitation step isarranged in the through hole, a boss is arranged on the limitation step, and the driver lower box body, the motor front end cover, the motor brush rack plate and the brush handle are integratedly formed. By the driver box body structure, the matching accuracy of the driver box body and the product consistency are improved, the assembly process is reduced, and the cost is reduced; the openings areformed in the two ends of the brush handle, a rotor is pressed during assembly, a carbon brush is arranged, and the carbon brush is prevented from being damaged; a rotor bearing is reinforced by the formed screw hold matched with a screw, and the bearing is prevented from axially moving; and the automatic locking function of a driver is improved by a damping piece, and the problems that a large-range driver having the automatic locking function is high in cost and is easy to damage are solved.

The invention provides a support regulating device and an assembling tool. The support regulating device comprises a base, a height adjusting assembly and a top support assembly which are sequentiallyconnected, wherein the top end of the top support assembly is provided with universal balls; the height adjusting assembly comprises a lever and a connector in thread connection with the lever; the connector is located on the base; the lever is connected with the top support device; and the lever can rotate relative to the connector around the self axis so as to drive the top support assembly tostretch and retract relative to the base. The support regulating device provided by the invention can solve the problems that support height cannot be regulated and the surface of a workpiece is wornwhen the position is adjusted in the prior art.

The invention discloses a sliding pry in an improved structure. The sliding pry in the improved structure comprises a pry body and a locating pin device. The locating pin device is located on the pry body and comprises a shaft sleeve, a locating pin and a rotary power device. The shaft sleeve is fixedly arranged on the pry body. The locating pin can be inserted into the shaft sleeve in a rotary mode along the circumferential direction of the locating pin. A head part which is in a long strip shape and expands outwards in the radial direction is arranged at the upper end of the locating pin. The head part is arranged on the outer side of the end face of the upper end of the shaft sleeve in a stopped mode. The rotary power device can drive the locating pin to rotate. According to the facts that a self-locking function is added to the locating pin device of the sliding pry, a rotary air cylinder is used for driving the locating pin to rotate, and a car body is arranged on the sliding pry in a self-locking mode, the sliding pry in the improved structure can effectively avoid hidden danger that the car body is turned over in a transportation process, and improves a security coefficient of a sliding pry transportation process.

The invention discloses a circuit breaker gas-taking auxiliary device. The device comprises a rack, the rack is provided with a press block capable of sliding up and down along the rack, a cushion block matched with the press block is fixedly arranged on the bottom end of the rack, the top end of the rack is provided with a rotatable cam, when the cam rotates, the contour line of the cam is contacted with the press block and the cam drives the press block to slide up and down along the rack. The device disclosed by the invention has the advantages of being simple in structure, convenient and fast in operation and good in clamping effect.

The invention discloses a cylinder with a double self-locking structure. The cylinder with the double self-locking structure comprises a cylinder body. A rear end cover is arranged at the rear end ofthe cylinder body. A front end cover is arranged at the front end of the cylinder body, and a handle is arranged at the position, located at the upper end of the front end cover, of the front end of the cylinder body. A piston rod is arranged on the front surface of the front end cover. The cylinder with the double self-locking structure enables air pressure in an accommodating cavity and a firstouter air cavity to be complementary to air pressure at the front end of an inner piston, and the internal air pressure of the cylinder with the double self-locking structure is constant. When the inner piston moves forward, the air pressure at the front end of the inner piston is pushed into the accommodating cavity and the first outer air cavity, so that a brake piston is just moved downward, abrake rod is pulled out of an embedded hole of the piston rod surface, and a limiting rod is pushed upward, so that the inner piston is locked and limited, and when the inner piston retracts, the airpressure drives the brake rod to be embedded into the embedded hole of the piston rod, and meanwhile, the limiting rod is retracted downward, the limiting and locking of the inner piston is released,and the brake rod is matched with the limiting rod, so that a double self-locking function for the cylinder is achieved.

The invention discloses an unmanned aerial vehicle delivery system comprising a vehicle body, a transporting cabin arranged on the side face of the vehicle body, a lower turning plate hinged to a throwing opening of the transporting cabin, and a self-locking adjusting mechanism arranged between the transporting cabin and the lower turning plate and used for achieving self-locking of the lower turning plate. According to the unmanned aerial vehicle delivery system and the delivery method thereof, goods and materials can be effectively transported and thrown to a target area in a short time, thedefects that an existing unmanned aerial vehicle transporting and throwing system is low in load capacity and short in endurance time are overcome, the carrying capacity of the transporting and throwing system is improved, and the endurance time of the transporting and throwing system is prolonged; compared with the prior art, the unmanned aerial vehicle delivery system has obvious advantages inthe face of a dangerous environment and a large-span terrain, meets the material transportation and delivery function in a complex environment and a high-risk environment, adds a self-locking functionto the transportation cabin, triggers fault protection under abnormal conditions, and reduces the power supply voltage of the steering engine through a program, thereby achieving protection and further ensuring that materials cannot fall out of the transportation cabin.

The present invention relates to an electric connector. It is equipped with a locking device consisting of existent fastening member (fastening pin) and screw-retaining member, and its utilizes a special structure to implement self-locking function. Said locking device includes fastening member and retaining member, in which the fastening member includes fixing portion and fastening pin, said fixing portion is received in the described assembly connected space of the insulating self-body, and is a multibent structure, on which the assembly-connecting hole is opened, and the fastening pin is extended from one end of fixing portion so as to fix the electric connector to printed circuit. Said retaining member possesses the assembly-connecting portion matched with assembly-connecting hole of fixing portion so as to make the fastening member obtain self locking function.