115results about How to "Easy to adjust tightness" patented technology

The invention discloses air purification and disinfection equipment capable of generating uniform high-concentration plasma. The equipment mainly comprises a housing (1), a fan (2), a plasma generator (3) and a boosting power supply (4), wherein the plasma generator (3) consists of a plurality of cylindrical plasma fundamental reaction units (30); the cylindrical plasma fundamental reaction units (30) comprise positive electrodes and negative electrodes; the positive electrodes are discharge electrode wires (310); the negative electrodes are hollow metallic circular tubes (320); the metallic circular tubes take the discharge electrode wires as center shafts; end covers (330) made of non-conducting insulation materials are arranged at the two ends of each metallic circular tube (320); and a plurality of hollow through holes (B) are formed in the two end covers (330). According to the equipment, air entering an air disinfection machine can be excited to be the uniform high-concentration plasma, so that indoor air can be disinfected, sterilized, dedusted and deodorized rapidly and effectively.

The invention relates to an automatic direction-changing lifting device for a vehicle. The automatic direction-changing lifting device comprises a base, a rotating platform, a lifting platform, lead screws, a lift driving motor, a rotary driving motor, a revolution support and lead screw nuts, wherein the rotating platform, the lifting platform and the base are arranged horizontally in sequence from top to bottom, and gaps are reserved among the rotating platform, the lifting platform and the base; the rotating platform is positioned on the top of the entire device; the base is positioned at the bottom of the entire device; the lead screw nuts are arranged on the lifting platform; the bottom ends of the lead screws pass through the lifting platform, and are arranged on the base; the lift driving motor is arranged on the base; the bottom ends of the lead screws are connected with the lift driving motor; the rotary driving motor is arranged on the lifting platform; the revolving support is arranged between the rotation platform and the lifting platform, and is connected with the rotating platform and the lifting platform; the revolving support is further connected with the rotary driving motor. The automatic direction-changing lifting device has the beneficial effects of simple structure, convenience in operation and stability in running. By adopting the automatic direction-changing lifting device, a vehicle can be reversed parked into a garage without labor force, the vehicle can be parked and driven away conveniently, and the vehicle parking efficiency is increased.

The invention provides a fuel cell. The fuel cell comprises an electric pile, a first end plate, a second end plate, a first insulating plate, a second insulating plate, a positive plate, a negative plate and a fastening tie, wherein an entirety formed by sequentially overlaying the first end plate, the first insulating plate, the positive plate, the electric pile, the negative plate, the second insulating plate and the second end plate is fastened by the fastening tie, and a groove used for mounting the fastening tie is formed in each of the first end plate and the second end plate respectively. The fuel cell provided by the invention has the advantages that the best fuel cell stack fastened with a load can be reliably applied in the laminating direction of the fuel cell under the condition of a small and light structure; besides, the fuel cell stack applied to an external load of the fuel cell can be borne reliably with a simple structure and few components; and the fastening tie islow in cost and convenient and efficient in mounting and dismounting, and tightness degree of the fastening tie can be easily adjusted.

The invention discloses a wall surface decoration installing structure, which comprises at least one decoration unit and a connecting device for arranging the decoration unit on a wall surface, wherein each decoration unit comprises a first section, a second section and a decoration material; the first section comprises a first side edge and a buckling piece arranged on the first side edge in a protruding way; the second section comprises a second side edge matched with the first side edge, and an accommodating groove which is formed on the second side edge and is buckled with the buckling piece; and the decoration material is clamped between the first section and the second section via the clamping of the buckling piece and the accommodating groove after being wrapped on the surface of the first section. According to the wall surface decoration installing structure, the decoration material is arranged by buckling the second section on the first section, so that convenience is brought to installation and adjustment.

The invention discloses a magnetic ring winding machine having a positioning function. The magnetic ring winding machine comprises an installation plate, wherein a sliding groove is formed in one sideof the installation plate, a screw rod is movably arranged in the sliding grove, two sliding blocks movably sleeve the screw rod, the two sliding blocks are arranged in the sliding groove in a sliding way, threaded holes are formed in the sliding blocks, the screw rod is in threaded connection with the threaded holes, a first cavity is formed in a position below the sliding groove and is formed in the installation plate, a first rotation motor is fixedly arranged on an inner wall of a bottom side of the first cavity, and an output shaft of the first rotation motor extends to the sliding groove and is fixedly arranged on a bottom end of the screw rod. By the magnetic ring winding machine, the positions of a fixed block and a support plate can be convenient to adjust, the tightness of a winding line is convenient to adjust, a magnetic ring winding wheel can be conveniently and stably fixed, meanwhile, the magnetic winding wheel during winding can be conveniently positioned, winding in mess is prevented, and excessive winding of the magnetic ring winding wheel can be prevented.

The invention discloses a head wearing device and a belt elasticity adjusting device, and belongs to the technical field of wearable equipment. The belt elasticity adjusting device comprises a housing, a gear and an adjusting wheel, wherein the gear is mounted in the housing and is engaged with a rack on a belt; the adjusting wheel is mounted on the housing, and an elastomer is arranged between the adjusting wheel and a gear; the gear is locked to the housing in a natural state; when the adjusting wheel is rotated by outer force, the adjusting wheel can be rotated relative to the gear; the gear is unlocked, and the elastomer is deformed, after rotating by certain angle relative to the gear, the adjusting wheel pushes the gear to synchronously rotate. According to the belt elasticity adjusting device, the housing, the gear and the adjusting wheel are matched to adjust the elasticity of the belt conveniently, and thus the clamping force of a device wearing the belt can be conveniently adjusted to meet the use demands of different users.

The invention discloses a noise elimination and reduction device of a diesel engine. The noise elimination and reduction device comprises a lower base, an upper base, fixed holes, fixed rods, an extrusion assembly, a cooling assembly, a lifting assembly and a fixed plate, wherein the fixed rods are fixedly welded to the periphery of the top of the lower base; the fixed holes are formed in the periphery of the top of the upper base, and the fixed holes penetrate to the bottom of the upper base; the upper base sleeves the fixed rods through the fixed holes; the upper base is provided with the extrusion assembly; and one side of the lower base is provided with the fixed plate. According to the noise elimination and reduction device, the diesel engine can be convenient to extrude and fix, andthe distance between an extrusion plate a and an extrusion plate b is adjusted conveniently, so that the extrusion tightness is adjusted, the vibration amplitude of the diesel engine is reduced, the stability is improved, and the noise reduction and elimination are achieved conveniently; the temperature of an exhaust pipe can be reduced, and the impact force between molecules is reduced, so that the noise reduction and elimination are achieved conveniently; and the height of a semicircular storage plate can be adjusted conveniently, and the exhaust pipe can be placed conveniently.

The invention relates to the field of electric power tools, in particular to a quick-plug connector seat. The connector seat comprises a female plug and a male plug. The female plug comprises a plug sleeve, a conductive plug finger, a lock key and a wiring mechanism, the lock key is provided with a pressing part and a plug pin which are oppositely arranged, the lock key sleeves the outside of theplug sleeve, a pre-tightening spring is arranged between the pressing part and the outer side wall of the plug sleeve, a pin hole is formed in the plug sleeve opposite to the plug pin, and the end part of the plug pin is of a one-way non-return tooth structure. The male plug comprises a connecting plug and a conductive positioning mechanism. An annular groove is formed in the outer side wall of the connecting plug, a conductive cylinder is arranged on the inner side wall of the connecting plug, the connecting plug can eject the plug pin open to enable the connecting plug to be inserted smoothly when inserted into the plug sleeve in the forward direction, the plug pin can be inserted into the annular groove, and therefore the connecting plug cannot retreat from the plug sleeve reversely butcan rotate relative to the plug sleeve. According to the invention, the quick connection of the male plug and the female plug can be realized, the operation is convenient, the connection is firm, themale plug and the female plug can rotate freely in a connected state, and the use is flexible.

The invention discloses a medical equipment clamping device and belongs to the field of the medical equipment. According to the technical scheme, the medical equipment clamping device is characterizedby comprising a frame, mechanical arms, an arc-shaped positioning block and a push rod; a controller is arranged on the outer surface of the frame, the mechanical arms are movably arranged on the left side of the frame, and the arc-shaped positioning block is arranged in the mechanical arms; the push rod is movably connected to the arc-shaped positioning block, a clamping claw is arranged at theleft end of each mechanical arm, and the clamping claws are welded on the mechanical arms; the outer surface of each clamping claw is sleeved with a rubber pad, a pressure detector is arranged in themiddle of the push rod and is capable of detecting the pressure on medical equipment in real time and avoiding the situation that the surface of the medical equipment is damaged due to excessive clamping pressure when the clamping pressure is excessive, the rubber pads and the positioning block are concentric, and the medical equipment can be clamped in the horizontal and vertical directions whenthe medical equipment is clamped by the mechanical arms; and it is guaranteed that the clamping portion of the medical equipment is not easy to waggle, and the stability is good.

The invention discloses a Korean cashmere machine. The Korean cashmere machine comprises a bracket which is connected with a left side plate and a right side plate, wherein a motor is arranged inside the right side plate; a transfer shaft, an upper glue shaft and a lower glue shaft are arranged on the upper part of each of the left and right side plates; an optical shaft is arranged in an optical shaft connecting hole; the upper glue shaft is matched with the optical shaft; the lower glue shaft is arranged on the lower part of the optical shaft; the upper glue shaft is arranged on the right top position of the optical shaft; the transfer shaft is arranged on the right bottom part of the lower glue shaft; a paper transfer shaft is arranged on the right top side of the lower glue shaft; a paper feeding plate is arranged on the paper feeding side between the optical shaft and the lower glue shaft; a paper receiving plate is arranged on the paper outlet side between the optical shaft and the lower glue shaft; the transfer shaft is connected with the motor through a speed reducer; the lower glue shaft, the upper glue shaft and the optical shaft are respectively connected with the transfer shaft by virtue of transmission structures. By using a single motor as a power source, the Korean cashmere machine disclosed by the invention is low in production cost, and the speed ratio of the lower glue shaft and the optical shaft is constant, so that the problem in the prior art that the film casting effect caused by change of the speed ratio is poor is solved.

The invention discloses a low-pressure environment test box, comprising a test box main body. The test box main body comprises a test chamber and a box door disposed on the front side of the test chamber, one end of the box door is hinged to the left side of the test chamber, the other end of the box door is fastened to the right side of the test chamber, the box door is provided with a sealing gasket, the sealing gasket is located between the test chamber and the box door, the test chamber comprises a test cover and a vacuum chamber, the test cover and the vacuum chamber are both open at thefront side, the front side of the test cover is provided with a plate frame having the same shape as the opening of the test cover, the projection of the opening of the plate frame in a vertical planeis located in the projection of the opening of the test cover in the vertical plane, the front end of the vacuum chamber is fixed in the plate frame and extends out of the plate frame, and a clearance is provided between the five sides of the vacuum chamber and the test cover. The invention provides the low-pressure environment test box with good sealing performance and high accuracy in performance testing.

The invention discloses a medical elastic gauze mask. The medical elastic gauze mask comprises a gauze mask body and straps, wherein a pair of straps are symmetrically arranged on the two sides of thegauze mask body; a sealing arc bulged part is arranged in a position in which the gauze mask body is close to a nose part; an elastic structure is arranged on the edge of the sealing arc bulged part;elastic adjustment clips are arranged on the straps positioned on the two sides of the gauze mask body. According to the medical elastic gauze mask disclosed by the invention, the elastic structure is arranged on the arc bulged part, so that the tightness on the nose part can be conveniently adjusted; moreover, due to the arrangement of elastic bands and the elastic adjustment clips, the sealingof wearing is ensured, and the elastic gauze mask can adapt to different faces of different people; therefore, the medical elastic gauze mask is convenient and practical.

Provided is a postage machine feeding device which comprises a machine rack and a supporting rack which is fixedly connected with the machine rack. A drive motor is connected with a transmission shaft penetrating through the machine rack. Upper rollers are installed on the supporting rack via a rotating shaft. The upper rollers and corresponding lower rollers are divided into two sets which are respectively installed on front and rear sides of a printing head. The lower rollers are installed on one end of a sub-rack via the rotating shaft. The sub-rack is provided with a through hole, and the transmission shaft penetrates through the through hole on the sub-rack. The other end of the sub-rack is connected with the machine rack via a spring. The transmission shaft and the rotating shafts of two sets of front and rear lower rollers are connected via a conveyor belt. A printing supporting plate installed below the printing head is fixedly connected with a front sub-rack. Printing media with different thickness can be conveyed and printed via the printing head.

The invention discloses an intelligent coal sample quantitative weighing device and method. The device comprises a porcelain boat for placing a coal sample and a weighing module for weighing the coalsample in the porcelain boat. The weighing device is characterized by further comprising a lifting rotary mechanism for placing the porcelain boat on the weighing module or taking off the porcelain boat from the weighing module, and a vibration sampling mechanism for adding the coal sample in the porcelain boat by adopting a vibration way; the vibration sampling mechanism is located above the weighing module, the porcelain is placed on the weighing module along with the movement of the lifting rotary mechanism, and receives the coal sample falling from the vibration sampling mechanism due to vibration; the weighing module, the lifting rotary mechanism and the vibration sampling mechanism are cooperatively controlled by the control system in a unified way. The placing or taking-off of the porcelain boat on the weighing module is realized through the lifting rotary mechanism, the trace and step-by-step sample falling in the porcelain boat can be performed through the vibration sampling mechanism, thereby precisely controlling the adding quantity and adding time of the coal sample. the precise and reliable and full-automatic and intelligent quantitative weighing is realized, the quantitative weighing process is free from artificial participation, and the efficiency and the accuracy are higher.

The invention discloses knitted garment trousers with a knee protecting function. The knitted garment trousers comprise a knitted garment trouser body, the knitted garment trouser body comprises two trouser legs, elliptic holes are formed in the knee positions of the trouser legs, knee protecting components are arranged at the inner positions, close to the elliptic holes, of the two trouser legs in a sleeving manner and comprise elastic knee protecting sleeves, a first bridle and a second bridle are sewn at two side ends of each elastic knee protecting sleeve, first hook and loop fastener hooksurface strops are sewn on two edges of the outer wall of one side of each elastic knee protecting sleeve, and first hook and loop fastener loop surface strips are sewn at the inner positions, closeto the two first hook and loop fastener hook surface strops, of each trouser leg. According to the knitted garment trouser, the knee protecting function is conveniently achieved, the tightness degreeof the elastic knee protecting sleeves is conveniently adjusted, different use requirements are met, knees can be heated, blood circulation of the knees is facilitated, knee protecting effects are improved, heating phases are conveniently replaced, more elegant appearance is achieved, and heat insulation effects are better.

The invention discloses a mars vehicle storage mechanical claw. According to the technical scheme, the mars vehicle storage mechanical claw comprises a mars vehicle storage mechanical claw, wherein the fixed supporting frame is rotationally connected with a main movable plate and an auxiliary movable plate, the main movable plate and the auxiliary movable plate are arranged in a crossed mode, storage mechanical claws are arranged at one end, far away from the fixed support frame, of the main movable plate and one end, far away from the fixed support frame, of the main movable plate and the auxiliary movable plate, the two storage mechanical claws are oppositely arranged and can abut against each other, a plurality of clamping blocks are arranged on the opposite end surfaces of the storage mechanical claws, the clamping blocks between the two storage mechanical claws are arranged in a staggered mode, a storage cavity used for storing silt is formed in the opposite end face of the clamping block, a driving mechanism for driving the main movable plate and the auxiliary movable plate to rotate oppositely is arranged between the fixed supporting frame and the main movable plate and the auxiliary movable plate. The method disclosed has the capability of simultaneously picking samples such as solids, sand and soil.

The invention relates to the technical field of rock drilling devices, in particular to a drilling device for rock property components of a roadway roof. The drilling device comprises a supporting mechanism and an adjusting mechanism is arranged on the supporting mechanism in a sliding fit mode; a telescopic mechanism is arranged on the supporting mechanism; a transmission mechanism is arranged on the telescopic mechanism; a material taking mechanism is arranged on the transmission mechanism; the material taking mechanism is rotationally arranged on the transmission mechanism and the transmission mechanism drives the material taking mechanism; and a tensioning mechanism abuts against the transmission mechanism. Through matching of the supporting mechanism and the adjusting mechanism, the telescopic mechanism can be conveniently supported, an angle of the supporting mechanism can be finely adjusted, and the material taking mechanism can take materials according to a radian of the roadway roof; the telescopic mechanism is arranged to adjust a height of the material taking mechanism conveniently, and the material taking mechanism can make contact with the roadway roof more conveniently for operation; and the material taking mechanism is arranged and collected rock samples can be independently stored.

The invention discloses an oxygen mask used in medicine. The oxygen mask comprises a mask body, magic tapes, an air inlet pipe and a metal clip, wherein the magic tapes are arranged at two sides of the mask body, the air inlet pipe is connected to the mask body in a sealed mode, the air inlet pipe is internally provided with a clapboard, the right side of the clapboard is provided with an activated carbon filter screen and a non-woven fabrics filter screen, the outer side of the air inlet pipe which is at the left side of the clapboard is provided with an exhaust vent, the top of the air inlet pipe is provided with an end cover, the middle part of the end cover is provided with an air faucet, the inner side at the bottom of the air inlet pipe is provided with a stainless steel mesh layer, the metal clip is arranged in a bent mode, the two ends of the metal clip are provided with through holes, and the positions, corresponding to the through holes, of the mask body are provided with blocking rods. The oxygen mask used in medicine is comfortable to wear, firm wearing can be maintained at the same time, and the oxygen mask used in medicine has a function of filtering air.

The invention relates to the field of equipment for the obstetrics and gynecology department, in particular to a special postpartum rehabilitation pressing device for the obstetrics and gynecology department and a using method of the special postpartum rehabilitation pressing device. The special postpartum rehabilitation pressing device comprises a fixed base, a movable block and a fixed shell, wherein a first fixing belt is arranged on one side of the fixed base, a second fixing belt is arranged on the other side of the fixed base, a fixed sleeve is arranged at one end of the second fixing belt, a through groove is formed in the fixed sleeve, a mounting groove is formed in the top wall surface of the through groove, the movable block is located below the fixed base, a threaded sleeve is arranged at the top of the movable block and is in sliding fit with the through groove formed in the fixed base, the fixed shell is arranged at the top of the fixed base, a threaded rod is rotatably connected to the fixed shell, and the threaded rod is in threaded fit with the inner wall of the threaded sleeve. According to the special postpartum rehabilitation pressing device, the pressing degreeof the movable block and a protection pad to a lying-in woman can be adjusted, so that the pressure to the abdomen can be conveniently adjusted, the abdomen of the lying-in woman is not pressed duringbreathing, disturbance in respiration is avoided, and rehabilitation of the lying-in woman is facilitated.

The invention discloses a water conservancy construction pipeline outer surface rust removal device and a using method thereof, and relates to the technical field of pipeline outer surface rust removal devices. The grinding effect is improved. The device comprises two hoop-shaped mounting frames which are symmetrically arranged, the two hoop-shaped mounting frames are mounted and fixed through connecting bolts, supporting mechanisms are arranged on the two sides of each hoop-shaped mounting frame, and a grinding mechanism is arranged on the inner side of each hoop-shaped mounting frame. The method comprises the following steps that a user places the two hoop-shaped mounting frames on the outer side of a pipeline, and the two hoop-shaped mounting frames are connected and fixed through connecting bolts. Through arrangement of the hoop-shaped mounting frames, the cylindrical polishing part, the elastic rope, the handle and other structures, the elastic rope can be repeatedly dragged through the handle, the sliding base is pulled to slide back and forth along the surface of the arc-shaped guide rod under the elastic cooperation of the elastic rope, and the pipeline is polished through the cylindrical polishing part; and since thegrinding track of the cylindrical grinding part is curved, the device can better adapt to the pipeline surface, and the grinding efficiency and the grinding effect are improved.