111results about How to "Practical structural design" patented technology

A pipe cutting machine is composed of machine frame, mainshaft positioned on machine frame via two bearings, two clamping units positioned at both ends of mainshaft on the machine frame, tool carrier-roller assemblage fixed to mainshaft, slide rod passing through said assemblage, the sliding rotary cage with guide disks connected to both ends of said slide rod, the driver unit consisting of motor, chain wheel and chain, stroke switch and electric control box.

The invention relates to an anti-theft device by utilizing infrared detection and directions to trigger alarms, which can particularly effectively achieve the aim of sending off an alarm if illegal and no alarm if legal. A plurality of infrared emitters distributed in rectangular frames or non-rectangular frames and a plurality of corresponding infrared receivers form an infrared barrier detector net, and a front infrared receiving head and a rear infrared receiving head in each infrared receiver are respectively a triggering infrared receiving head and a non-triggering infrared receiving head; when a person or an object enters from the direction of the triggering infrared receiving head, an infrared triggering head triggers the infrared barrier detector net to send off the alarm, and when the person or the object enters from the direction of the non-triggering infrared receiving head, the infrared triggering head does not trigger the infrared barrier detector net to send off the alarm.

The invention relates a ring-shaped LED focusing printed circuit board composed of a plurality of LED printed circuit board blocks and a ring-shaped LED focusing energy saving lamp composed of the ring-shaped LED focusing printed circuit board. The ring-shaped LED focusing printed circuit board is composed of a plurality of printed circuit board blocks with LED lamps, specifically, a plurality of the printed circuit board blocks with LED lamps are respectively connected with the ring-shaped inner wall of a lamp body through clamp springs and elastically perk up; a focusing sleeve is matched with the ring-shaped outer wall of the lamp body and an adjusting piece in the focusing sleeve is contacted with a plurality of the printed circuit board blocks with LED lamps. The invention has the advantages of not only creating a precedent of changing the ring-shaped circuit board with the LED lamp from a ring-shaped board to an annular horn ring, but also changing the irradiation angle of a LED (light-emitting diode) arranged on the ring-shaped printed circuit board, thus achieving the purpose of focusing, solving the technical difficulty which people expect to solve but fail to for a long time and offering favorable effect to the lighting of a microscope.

The invention relates to a separate zone production technical string capable of protecting oil reservoirs. The separate zone production technical string consists of a pumping string and an oil reservoir protecting releaser string. The oil reservoir protecting releaser string consists of a plug (4), an oil reservoir protector (9), a safety joint (8), a Y341 type self-examining packer (10), a Y441 type packer (6) and a releaser head (5) which are fixedly connected from bottom to top. A pumping string switch (11) is plugged into the oil reservoir protector (9) of the oil reservoir protecting releaser string and can be used for opening any production layers, and is convenient to switch on and switch off accurately. The string is simple, reasonable, convenient and practical in structural design, and can close a stratum without well killing during pump inspection, prevent flushing fluid or well killing fluid from entering the oil reservoirs to pollute the same and protect the oil reservoirs, and accordingly production efficiency can be increased, effective production periods of the oil reservoirs are prolonged, any oil reservoir can be opened during oil well production, and zone replacement production of oil well can be achieved without removing the jammed releaser string.

The invention relates to a special blowing device and a special blowing method for dry sand grinding and dust removing complete equipment, which can effectively prevent stone materials from blocking a sieve and can also effectively improve sieving efficiency. Many rows of air tubes in the air blowing device are divided into two or more than two groups, the number of the air tubes in each group is two or more than two, and the air inlets of the air tubes in each group are communicated and controlled to blow air or not and blow air circularly or crosswise by a control valve of a time controller or a program controller. The blowing device and the blowing method have the advantages of preventing the stone materials from blocking the sieve, prolonging the service life of the sieve and effectively improving sieving efficiency of the sieve and featuring novel structure design, uniqueness, simplicity and practicability.

The invention relates to a liftable medical nursing bed capable of using a motor to control automatic lifting of the bed surface, which comprises a pedestal and a bed frame, wherein a hinge lug connected with the lower parts of a front middle cross beam and a rear middle cross beam is hinged with two ends of an upper end shaft of an n-shaped support frame respectively and rotates around the two ends respectively; one end of a moment arm of the n-shaped support frame is hinged with four hinging bases positioned on a pedestal cross beam respectively and rotates around the hinging bases; the upper end shafts of the n-shaped support frame are provided with shaft connecting lugs at intervals; two ends of a synchronous support frame are connected with the shaft connecting lugs in the n-shaped support frame through a connecting shaft respectively; and the fixed end of a motor push rod retractable device is hinged with the hinging bases on the bed frame, while the retractable end is hinged with the hinging base on the cross beam at one end of the synchronous support frame. The liftable medical nursing bed has the advantages that a four-point hinge mechanism consists of the motor push rod retractable device, the n-shaped support frame and the synchronous support frame not only achieves the aim of using one motor push rod to control the rising and the falling of the whole bed frame, but also has stable and reliable rising and falling speed.

The present invention discloses a kind of thermoprinting carbon foil used for soft plastic package and the thermoprinting carbon foil consists of belt base and painted thermal transfer carbon layer. The present invention features the thermal transfer carbon layer comprising resin 32-41 wt%, plasticizer 5-11 wt%, polyethylene wax 2.2-7.7 wt%, dispersant 0.1-0.5 wt%, and pigment 16-39.8 wt%. The thermoprinting carbon foil may be transfer printed in large area with thermal transfer equipment, and the maximum transfer printing area is 150x150 mm. The thermoprinting is boiling resistant and fadeless. The present invention makes it possible to obtain clear scrape resisting and boiling resisting text and pattern outside the package of PE, PP, PET, PVDC and other non-PVC material.

The invention relates to a novel sanitary towel coatding steering gear and a direction transferring method. An outer shaft is driven to rotate through a power mechanism; a fixed disk is driven to rotate through the outer shaft; during the process of a bearing at the end part of a negative pressure suction device being driven through the fixed disk to be rotated along an end surface cam working surface, a pendulum shaft drives the negative pressure suction device to rotate gradually through a connecting rod, (1) when the bearing moves to the maximum end on the upper sloping surface of the cam, the negative pressure suction device is rotated for 90 degrees and then gets to the horizontal plane of the working surface of the cam without being rotated, (2) when the bearing rotates from the horizontal plane of the cam to the minimum surface of the lower sloping surface of the cam, during the process that the bearing rotates to the upper sloping surface of the cam, the pendulum shaft drives the negative pressure suction device to rotate gradually through a connecting rod, and when the bearing moves to the minimum end of the lower sloping surface of the cam, the negative pressure suction device is reset and then gets into the horizontal plane of the working surface of the cam without being rotated, (3) when the bearing moves to the maximum end on the upper sloping surface of the cam, the negative pressure suction device is rotated for 90 degrees, in such a manner, the interstitial circulation is performed till the work is finished.

The invention relates to a brush-throwing machine for removing protruding ink at two ends of a conducting hole of a printed circuit board, which can effectively remove and throw the ink at two ends of the conducting hole of the double-surface printed circuit board. Frame supporting bodies are arranged in an eudipleural way, a plurality of drive rolls are respectively positioned in the left frame supporting body and the right frame supporting body and respectively form brush-throwing drive roll conveying platforms together with the frame supporting bodies, press roll adjusting mechanisms are respectively positioned on the brush-throwing drive roll conveying platforms; press rolls in the adjusting mechanisms are respectively matched with roll surfaces of the drive rolls in the brush-throwing drive roll conveying platforms in a spacing way; and a tool post moving up and down is positioned in the middle of the frame supporting bodies and provided with a scraping cutter adjusting the spacing up and down. The invention thoroughly removes the protruding ink at two ends of the conducting hole of the printed circuit board, avoids the difficulty of large-tonnage product reject of the printed circuit board during the circuit printing because of the protruding ink at two ends of the conducting hole, improves the production efficiency of the printed circuit board, and lowers the enterprise production cost.

The invention discloses an electronic coded lock comprising a body device and a panel device. The body device comprises an inner shell, a rotary knob and a locking mechanism. The rotary knob is arranged on the outer side of the inner shell. The locking mechanism is arranged on the inner side of the inner shell. The rotary knob is used for driving the locking mechanism to rotate, conduct cooperation and achieve manual unlocking action and manual locking action of the electronic coded lock. The locking mechanism is designed to be provided with three kinds of mechanism devices high in similarity. The electronic coded lock guarantees that most of parts can be compatibly used to the greatest extent; even if different styles of electronic locks are produced, it can be guaranteed that a large number of parts can be in common use; the electronic coded lock can be applied to steel cabinets and wooden cabinets and are suitable for multiple types of cabinets, and the electronic coded lock adopts the advanced touch key-press technology in the industry and the most energy-efficient power supply scheme.

The invention relates the longitudinal folded device and method used for adult incontinence trouser. The trouser passes transverse guide wheel and descends along with nose bridge type doubling plate, and the trouser is folded by the nose bridge type doubling plate and exported by longitudinal guide wheel. The invention has the following advantages: solving the problem that the adult incontinence trouser is not accurately folded; not only the adult incontinence trouser accurately enwrapping the nose bridge type doubling plate to form, but also changing the output direction of adult incontinence trouser after folding; the structure being novel style, unique, simple, exact, reliable and practical.

The invention relates to a grounding structure for an electroplating decoration ring. The grounding structure comprises a plastic panel, the electroplating decoration ring which is embedded into the outer surface of the periphery of the plastic panel, a driving PCB located on the back side of the plastic panel and a hardware support located on the back side of the driving PCB. The driving PCB is locked onto the front side of the hardware support through a fixing part. The grounding structure further comprises a touch display screen installed on the front side of the plastic panel and a rear cover located on the back side of the hardware support. The rear cover and the hardware support are fastened onto the back side of the plastic panel through a fixing part. The electroplating decorationring is provided with two electric conductors, and the electric conductors penetrate through notches formed in the plastic panel and are further electrically connected with a connector arranged on thehardware support. A conductive circular ring is arranged on the back side of a first screw hole of the driving PCB. A conductive circular ring is arranged at the front end of a screw stud on the hardware support, and the conductive circular ring is electrically connected with the conductive circular ring of the first screw hole in the driving PCB. According to the grounding structure for the electroplating decoration ring, structural design is reasonable and practical, the reliability of products is improved and meanwhile assembling is made quite convenient.

The invention discloses a small-power laser hybrid cutter and a using method thereof. An adjustable movable cutting head is arranged on a laser cutting gun; the movable cutting head comprises an inverted-T-shaped tubular supporting body, a cap body with a through hole in center and a T-shaped connector as well as a spray nozzle which is in threaded connection with the lower end of the T-shaped connector. The T-shaped connector is clamped between the cap body and the bottom surface of the tubular supporting body; and the T-shaped connector is clamped and positioned by four positioning bolts on the side wall of the cap body. The improved laser hybrid cutter is convenient for a changing process and a focal length regulating process of the spray nozzle, so that metal or nonmetal materials are simultaneously cut; meanwhile, by virtue of parameter modeling, parameter setting in a processing process is more accurate and unified, so that the processing quality is guaranteed, and the processing efficiency is improved, and therefore, using needs of medium and small users on a laser cutter are met.

The invention relates to a double-axis air spring structure and an operating method thereof. The air cylinder of the double-axis air spring has a left cavity and a right cavity. Pistons of the left and right cavities have a through hole respectively. One end of a left shaft and one end of a right shaft respectively pass through shaft holes on a left end cover and a right end cover to connected with an end face of the left piston and an end face of the right piston respectively, and a shaft lever of the left shaft and a shaft lever of the right shaft have a grove respectively. A left shaft rotating sleeve and a right shaft rotating sleeve are respectively sleeved on the left shaft and the right shaft and have a small hole respectively. The double-axis air spring structure and the operating method thereof have the advantages of: 1. realizing the unidirectional expansion as well as the bidirectional expansion of the air spring; 2. a structure designed to be novel, unique, simple and practical.

The invention relates to a dual-lifting type feeding clamping device which comprises a base, a support seat and a lifting mechanism. The lifting mechanism comprises a box, a supporting frame and a conveying mechanism, wherein the supporting frame and the conveying mechanism are both arranged in the box. The support seat is fixed to a top face of the box and is driven by the lifting mechanism to go up and down. The supporting frame comprises two support legs which are movably mounted in a scissor shape. One end of one support leg is arranged on a conveyor belt of the conveying mechanism, and a limiting block fixed on the conveyor belt abuts against the end of the support leg. A handle is arranged on the limiting block, and a butterfly-shaped lock nut capable of locking the current state of the supporting frame is arranged at the joint of the two support legs of the supporting frame. The support seat is positioned above the top face through cylindrical rods. The distance between the support seat and the base is adjusted by rotating levers of buckles. The support seat comprises a clamping plate, a supporting beam used for supporting multiple workpieces to be positioned, and two limiting columns fixed to the two opposite ends of the supporting beam. The clamping plate is locked on the supporting beam through a plurality of bolts with butterfly-shaped operating portions on the tops so that the workpieces can be clamped on the supporting beam.

A seal able to be turned or features that when it is not used, its front end is always in contact with the ink and when it is used for affixing, it can be turned over. It is composed of casing, seal, guider, restoring spring, and drawer-type ink box. Its turn-over method is also disclosed.

The invention discloses a hydraulic engineering overhaul crawling ladder. The hydraulic engineering overhaul crawling ladder comprises a first prefabricated steel plate, a second prefabricated steel plate, a first contention piece, a second contention piece and a pedal, wherein the first prefabricated steel plate and the second prefabricated steel plate are located in the same plane and the first prefabricated steel plate, the second prefabricated steel plate and the first contention piece are embedded in the wall; one end of the first contention piece is respectively fixed on the first prefabricated steel plate and the second prefabricated steel plate; two ends of the second contention piece are respectively provided with the external thread; the pedal is provided with two holes through which the second contention piece can pass; the other end of the first contention piece is connected with one end of the second contention piece in a detachable mode; the other end of the second contention piece is connected with the pedal in a detachable mode. Two ends of the second contention piece are respectively provided with the external thread, and connected with the first contention piece and the pedal in a detachable mode, so that the crawling ladder is quickly mounted and dismounted and convenient to overhaul.