31results about How to "Change inner diameter" patented technology

Provided in the invention is a Hula hoopcomprising a hoop body formed by connecting a plurality of unit sections end to end. Every two adjacent unit sections are detachably connected with each other through a connecting piece; each unit section is provided with a containing groove for insertion of the corresponding connecting piece. The front section and the rear section of each connecting piece are respectively inserted into the containing grooves of the two adjacent unit sections; each unit section is provided with a locking mechanism for keeping the corresponding connecting piece in the corresponding containing groove. The hoop body is formed by connecting a plurality of unit sections end to end, every two adjacent unit sections are connected through the connecting piece, so that rapiddisassembly and assembly of the unit sections can be achieved; the inner diameter of the hoop body can be changed by increasing or decreasing the number of the unit sections, so that the hoop can adapt to trainees with different figures; the hoop body can be opened at any position, and the operation is more convenient by being compared with the prior art.

The invention belongs to the cable installation field and relates to a hinging type wire tightening clamp. The hinging type wire tightening clamp comprises a wire pressing plate and a hinging plate assembly; the hinging plate assembly includes a first clamping plate and a second clamping plate; one end of the wire pressing plate is hinged to one end of the hinging plate assembly through a first connection component; the first connection component includes a hinging shaft and a first threaded sleeve which are in threaded connection with each other; the first threaded sleeve is hinged to the wire pressing plate; the other end of the wire pressing plate is detachably connected with the other end of the hinging plate assembly through a second connection component; the second connection component comprises a hanging rod and a second threaded sleeve which are in threaded connection with each other; the second threaded sleeve is hinged to the wire pressing plate; the hanging rod is provided with a non-circular hanging buckle; through holes are formed in the first clamping plate and the second clamping plate respectively; after the hanging buckle passes through the through holes, the hanging rod can be rotated, so that the hanging buckle can deviate from the second through hole so as to be hanged on the second clamping plate; the middle of the first clamping plate and the middle of thesecond clamping plate can be matched with each other, so that a clamping ring can be formed; and the wire pressing plate is provided with a wire pressing portion. The hinging type wire tightening clamp is convenient to install and disassemble, does not occupy space, and does not damage a cable.

The invention relates to the technical field of earphone maintenance equipment, and discloses circular earphone cover surface wiping equipment. The circular earphone cover surface wiping equipment includes a barrel body, the middle position of the top of the barrel body is fixedly connected with a handle through screws, an installation partition plate is fixedly connected between the inner walls of the left and right sides of the barrel body, the middle position of the top of the installation partition plate is fixedly connected with a battery, the middle position of the bottom of the installation partition plate is fixedly connected with a low-speed motor through bolts, the annular side face of the bottom of the inner side of the barrel body is fixedly connected with a connecting circularring, the inner side of the connecting circular ring is movably connected with a rotating disc through a movable ball, an output shaft of the low-speed motor is fixedly connected with the middle position of the upper surface of the rotating disc through the screws, the left side surface of the barrel body is provided with an electric control switch, and the lower portion of the rotating disc is provided with a semi-ring buckle cover. According to the circular earphone cover surface wiping equipment, an earphone cover can be touched, wiped and descaled by arranging wiping cotton, thus the quality of dirt wiping on the large flat surface of the earphone cover is improved, and the purpose of descaling is achieved.

The invention discloses a cold isostatic pressing barrel material forming die comprising a base, an inner barrel and a soft die. The inner barrel is fixedly installed in the middle of the top surfaceof the base, and a plurality of evenly distributed vent holes are formed in the side wall of the inner barrel; the soft die is arranged at the exterior of the inner barrel in a sleeving mode, and is of a ring structure overall; an annular charging hole is formed in the top of the soft die; an inner steel die is placed in the soft die, arranged around the inner barrel, and tightly attached to the outer side wall of the soft die; and after charging of the soft die, the annular charging hole is sealed, and the soft die is vacuumized. According to the forming die, through arrangement of the innersteel die and the inner barrel, the outer diameter of a cylinder material product is close to the inner diameter of the inner steel die, and the size is fixed; and the appearance is regular, and machining and production of products with large outer diameters are benefited; The inner diameter of the products is larger than the inner diameter of loaded materials, and the wall thickness is moderate;and the problem of serious waste of core materials is solved.

The invention discloses a high-voltage power transmission line electric leakage detector which comprises a box body, a box door is arranged on the box body, a folding rod is arranged between the box door and the box body, an analysis processing module, a wireless receiving and transmitting module and a power supply module are arranged in the box body, and the high-voltage power transmission line electric leakage detector further comprises a walking mechanism and a clamping part. The two walking mechanisms are arranged on the portions, on the two sides of the box door, of the box body respectively, the clamping part comprises two detection clamps of an arc-shaped structure, and the inner sides of the detection clamps are provided with arc-shaped magnetic assemblies and guide mechanisms. According to the invention, the detection clamp is arranged, the magnetic assembly is arranged on the inner side of the detection clamp, the magnetic assembly is formed by sequentially splicing a plurality of magnetic blocks, and two adjacent magnetic blocks can rotate, so that the magnetic assembly can be bent, and the magnetic assembly is moved through the guide mechanism, so that the inner diameter size of a circular structure formed by the magnetic assembly is changed; therefore, the detector is provided with the adjustable magnetic assembly, so that the detector can detect different numbers of lines.

The invention discloses a sewer pipeline conveying pipe for sewage treatment and a fixing device, and relates to the technical field of pipeline fixing devices. The fixing device solves the problem that the clamping position cannot be adjusted again after an existing pipeline fixing device is fixed, and the clamping and fixing distance cannot be adjusted by a clamping piece of the fixing device. According to the sewer pipeline conveying pipe for the sewage treatment and the fixing device, the fixing device comprises a positioning block a and a positioning block b, wherein the positioning blocka and the positioning block b are inserted into the left end and the right end of a fastening rod. After the device is fixed to a wall or the bottom of a cast-in-place slab through a fixing screw, amovable block can transversely move in a mounting base, the clamping positions of the positioning block a and the positioning block b are changed so as to adapt to the trend of a pipeline, normal mounting of the pipeline is guaranteed, and the positioning block b can be inserted into the positioning block a in a staggered mode, so that the clamping distance between the positioning block b and thepositioning block a is changed, and the fixing device can be suitable for clamping and fixing pipelines with different diameter models.

The invention relates to the technical field of earphone maintenance equipment, and discloses a round earphone cover surface wiping equipment, which includes a cylinder body, the middle position of the top of the cylinder body is fixedly connected with a handle by screws, and the inner walls of the left and right sides of the cylinder body are fixedly connected There is an installation partition, the top middle of the installation partition is fixedly connected to the battery, the bottom middle of the installation partition is fixedly connected to the low-speed motor through bolts, and the ring side of the inner bottom of the cylinder is fixedly connected to the connection ring, the connection ring The inner side of the cylinder is movably connected with a rotating disc through movable balls, and the output shaft of the low-speed motor is fixedly connected to the middle position of the upper surface of the rotating disc by screws. Half ring button hood. The equipment for wiping the surface of the circular earphone cover is equipped with wiping cotton to contact, wipe and descale the earphone cover, thereby improving the quality of dirt wiping on the large plane surface of the earphone cover and achieving the purpose of descaling.

The invention provides a compensation nut for an automobile, and relates to the field of automobiles. The compensation nut for the automobile is used for fixing a bolt and comprises a base and a top part; the top part is provided with a central through hole connected with the bolt, and a connecting portion which can be connected with different types of bolts is arranged in the central through hole; the connecting portion comprises multiple bushing nuts and nuts which are continuously connected in a sleeving mode, and the nuts are arranged in the bushing nuts; and vertical first grooves are distributed in the inner wall of the central through hole around the axis of the central through hole at equal angles. According to the compensation nut for the automobile, the bushing nuts are sleeved with the top part, the nuts are sleeved with the bushing nuts, therefore, the inner diameter of the compensation nut is changed, the compensation nut can be connected with the bolts with different diameter sizes, and the adjusting effect is achieved; the compensation nut can be fixed to the bolts with different sizes on the condition that the length is invariable; and installation is easy, and theapplication range is wider compared with a common compensation nut.

The invention belongs to the field of instruments for visual or photographing examination of cavities and tubes of the human body and particularly discloses a device for fixing a lens in an endoscopesurgery. The device comprises an isolation cover, a fixing ring and a connecting portion, wherein one end of the isolation cover is connected with the fixing ring, the fixing ring is detachably connected with the connecting portion, the inner side of the connecting portion is provided with a fixing structure for fixing a lens, the fixing structure comprises a connecting rod and a fixing part, thefixing part comprises multiple connecting units, the multiple connecting units are sequentially connected to form a ring shape, each connecting unit includes two connecting rods, the middles of the two connecting rods are hinged, and the two ends of each connecting rod are both connected with the inner side of the connecting portion and one connecting unit. The device can fix the lens when a medical worker performs the endoscope surgery and is good in fixing effect, and the adverse influence of shaking of the lens on the endoscope surgery is avoided.

The invention relates to the cable installation field and specifically relates to a street code clamp for a pin insulator. The street code clamp comprises a press plate, a hinge plate assembly and two locking bolts, wherein the press plate and the hinge plate assembly are arranged oppositely. The press plate is provided with a line pressing groove. The hinge plate assembly comprises a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are provided with a first C-shaped structure and a second C-shaped structure, the opening directions of which are opposite, respectively. The first C-shaped structure and the second C-shaped structure are cooperated to form a clamp ring for clamping an annular side groove of the pin insulator. The first clamping plate and the second clamping plate are superposed. The two locking bolts pass through the press plate, the first clamping plate and the second clamping plate in sequence and realize threaded connection. The clamping plates and the hinge plate assembly are in bolt connection; the hinge plate assembly is arranged in the annular side groove of the pin insulator through a hinge mode; and therefore, operation is convenient, a cable can be fixed firmly and safely.

The invention relates to a method for calculating an odd vein shunt ratio in a semi-ventricular model based on a geometric multi-scale model, and belongs to the field of hemodynamic numerical simulation. A 0D / 3D coupled geometric multi-scale model is used for carrying out hemodynamic finite element analysis to acquire the odd vein shunt ratio. A semi-ventricle model is represented by a 3D model, and a peripheral circulation part connected with the semi-ventricle model is represented by a 0D lumped parameter model, so that a 0D / 3D combined geometric multi-scale model is formed. Finite element analysis is applied to the 0D / 3D coupling model, and the hemodynamic condition of one semi-ventricular model under different pulmonary resistances is simulated. After calculation is completed, in ANSYS-CFX post-processing, the odd vein shunt ratio is calculated by defining an expression; and the wall shear stress of the odd vein can be extracted, and the reasonability of the odd vein shunt ratio isevaluated from the biomechanics perspective.

The invention discloses an antiskid finger sleeve for a mobile phone game, and relates to the technical field of antiskid articles for mobile phones. The antiskid finger sleeve comprises a finger sleeve, wherein an nail opening is formed in the upper surface of the finger sleeve, a touch screen contact panel is arranged on the outer surface of the finger sleeve, heat dissipation holes are formed in the lower side of the touch screen contact panel, an adjustment opening is formed in the side wall of the rear end of the finger sleeve, a screw rod is arranged on one side of the front end of the adjustment opening, the outer side wall, close to one side of the adjustment opening, of the finger sleeve is fixedly connected with one end of the screw rod, a fixing ring is connected with the otherend of the screw rod in a sleeving manner, the outer side wall, close to the other side of the adjustment hole, of the finger sleeve is fixedly connected with the side wall of the fixing ring, an adjustment screw is connected with the port of the screw rod in a threaded manner, and a connection line and a lantern ring are arranged at the bottom of the finger sleeve. The antiskid finger sleeve forthe mobile phone game provided by the invention is simple in structure and convenient to use; and via the matched use of the lantern ring, the nail opening and the screw rod, the user experience of the mobile phone game can be improved.

The invention discloses an automatic filling device for cosmetics. The device structurally comprises a convenient adjustment and measurement filling device, a supporting and fixing frame, a fixed pedestal, a cosmetic filling table, a support connecting rod, a terminal control box, a cosmetic liquid storage tank and a driving rack, wherein the convenient adjustment and measurement filling device isinstalled inside the driving rack in an embedded mode and connected with the driving rack in a fixed installation mode, and the supporting and fixing frame is arranged at the lower end of the drivingrack and is connected with the driving rack in a welded mode. The automatic filling device is provided with a structure for automatically replenishing an incompletely filled cosmetic liquid bottle with cosmetic liquid when the cosmetic liquid in the cosmetic liquid storage tank is completely used, is conducive to preventing the waste of the cosmetic liquid bottle, and is simultaneously provided with a structure capable of measuring and adjusting cosmetic liquid without needing to disassemble a filling head, so that the convenience of filling work is improved.

Disclosed are a cable winding device and a connector assembly including the same. The cable winding device is suitable for winding a cable into a cable coil, and comprises a base, a first driving device installed on the base, a rotary seat driven by the first driving device to rotate around a central axis and a plurality of limiting mechanisms mounted on the rotary seat, each limiting mechanism includes a limiting arm extending parallel to the central axis, the limiting arms are arranged to define a circumferential surface centered on the central axis, and a cable is wound around the limitingarms. The radial distance of each limiting arm relative to the central axis is adjustable to vary the inner diameter of the circumferential surface. The cable winding device can realize automatic winding of the cable and can change the inner diameter of the wound cable coil.

The invention discloses a clamping device with a spindle pedestal easy to disassemble. The clamping device with the spindle pedestal easy to disassemble comprises a right substrate 1, a left substrate 2 and a jacket, the right substrate 1 and the left substrate 2 are shaped like cuboids and symmetrically arranged, and the right substrate 1 is fixed on a press base 8; the jacket comprises two symmetrically arranged semicircular-ring-shaped jacket blocks 3 which are symmetrically fixed on the right substrate 1 and the left substrate 2 respectively through bolts 4, the inner surface of each jacket block 3 is axially provided with radial annular teeth 31 of which the cross section is shaped like a trapezoid, a strip-shaped groove 21 is formed in the contact surface of the left substrate 2 and the base 8, a boss 81 is arranged on the portion, corresponding to the strip-shaped groove 21, of the base 8, a spring 5 is installed between the boss 81 and the strip-shaped groove 21, motion of the left substrate 2 in the vertical direction is limited by a pressing plate 6, and the pressing plate 6 is connected with the base 8 through a bolt. The clamping device with the spindle pedestal easy to disassemble has the advantages that the jacket blocks are replaceable, the clamping device is suitable for disassembling of the spindle pedestal of bearing seats with different external diameters and bearing seats with different shapes, and meanwhile automation of disassembling of the spindle pedestal can be achieved.

The invention relates to the technical field of strategic novel industries, and discloses a casting piece forming cooling device for film production. The device comprises a fixed roller, a water inlet pipeline, a water outlet pipeline, a central roller and a motor, the outer side of the central roller is movably sleeved with a chilling roller, one end of the chilling roller is fixedly connected with a driven gear, the output end of the motor is fixedly connected with an output gear, and evenly-distributed movable rings are movably connected to the center roller in a clamped mode. Through the designed movable ring and fan blades, cooling water drives the fan blades to rotate in the flowing process, so that the fan blades drive the cooling water to form turbulent flow, part of heat absorbed by the cooling water is converted into mechanical energy, and meanwhile, a water flow layer which deviates from the chilling roller and is relatively low in temperature is mixed with a water flow layer which is close to the chilling roller and is relatively high in temperature, and the temperature of the heated cooling water is reduced, so that the cooling effect difference of the cooling water at the two ends of the thick piece is reduced, and the crystallinity and the crystal grain thickness generation difference are reduced.

The invention relates to an auxiliary digestion endoscope resection transparent cap comprising an insert tube, a support structure and an adjusting rack; the transparent cap also comprises a pulling structure used for changing the inner diameter of the adjusting rack; the support structure supports the adjusting rack; the support structure and the adjusting rack are arranged on the same side of the insert tube, either the inner side or the outer side; in addition, the transparent cap is also provided with a disposable insulation rubber ring sleeved on a pathology position in usage. The transparent cap with various internal diameter is an auxiliary digestion endoscope resection medical apparatus, the inner diameter can be adjusted at any time according to the size of the pathology tissue, so the cap can be widely applied in endoscope resections of different pathology tissues, and is simple and convenient in usage.

The invention relates to a plasma contactor, in particular to a plasma contactor combined with a hollow cathode electron generator and an annular ionization chamber, belonging to the field of gas discharge equipment. The ionization chamber is provided with a through hole at the center of the top end of the ionization chamber shell; The flange of the hollow cathode plasma contactor is fixedly connected with the shell of the ionization chamber through an insulating ceramic of the shell of the ionization chamber; A first permanent magnet is fixedly mounted on the inner wall of the top end of theionization chamber housing. A second permanent magnet is fixedly installed on the inner cylinder wall of the ionization chamber shell. The anode shell is an open hollow cylinder; The cylinder wall ofthe anode shell is fixedly connected with the mica sheet; The mica sheet is fixedly connected with the second permanent magnet; The invention can optimize the emission characteristics and reduce the transplant cost under different application situations. Under the same working condition, the potential difference can be reduced by about 40%.

The invention relates to a prestressed concrete pipe pile production mold, which relates to the technical field of prestressed concrete pipe pile preparation, which includes a mounting frame, and the mounting frame is provided with a lower forming die and an upper forming die corresponding to the lower forming die , both ends of the upper forming die and the lower forming die are provided with fixed end plates, and fixing devices are arranged between adjacent upper forming dies and adjacent lower forming dies, and the end plates are connected to the lower forming dies. An installation device is arranged between the forming dies, the upper forming die and the lower forming die are connected through a connection structure, and the inner cavities of the upper forming die and the lower forming die cooperate with each other to form a pile cavity. The present invention has the ability to produce multiple This type of pipe pile can improve the actual production efficiency and reduce the production cycle.

The invention relates to the cable installation field and specifically relates to a street code clamp for a pin insulator. The street code clamp comprises a press plate, a hinge plate assembly and two locking bolts, wherein the press plate and the hinge plate assembly are arranged oppositely. The press plate is provided with a line pressing groove. The hinge plate assembly comprises a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are provided with a first C-shaped structure and a second C-shaped structure, the opening directions of which are opposite, respectively. The first C-shaped structure and the second C-shaped structure are cooperated to form a clamp ring for clamping an annular side groove of the pin insulator. The first clamping plate and the second clamping plate are superposed. The two locking bolts pass through the press plate, the first clamping plate and the second clamping plate in sequence and realize threaded connection. The clamping plates and the hinge plate assembly are in bolt connection; the hinge plate assembly is arranged in the annular side groove of the pin insulator through a hinge mode; and therefore, operation is convenient, a cable can be fixed firmly and safely.

The invention relates to the technical field of paper winding machines and discloses a paper tube adjusting mechanism based on a paper winding machine and application of the paper tube adjusting mechanism. The paper tube adjusting mechanism comprises a supporting column, a first roller shaft is movably connected to the right side of the supporting column, and a first paper tube is movably connected to the outer side of the first roller shaft. According to the paper tube adjusting mechanism based on the paper winding machine and application of the paper tube adjusting mechanism, a rotating nailis rotated, a first gear drives a second gear to rotate, a threaded rod further drives a connecting block to move front and back, a second roller shaft moves front and back, and the position of a second paper tube moves along with movement of the second roller shaft; therefore, the effect of preventing the position between the roll paper tubes from being particularly large to affect the roll paper quality during paper winding is achieved; a rotating rod is rotated to enable the second roller shaft to rotate, a connecting rod is further made to drive a supporting rod to move, at the moment, the distance between the arc and the center point of the second roller shaft can be changed under driving of the supporting rod, the inner diameter of the second paper tube is changed, and therefore, the effect of adjusting the inner diameter of roll paper of the roll paper tube is achieved.

The basketball stand device for basketball shooting training comprises a backboard and a basket arranged on the front side of the backboard, the basket comprises an outer frame and an annular frame body rotationally connected to the inner side of the outer frame, a circle of groove is formed in the inner side of the outer frame, a plurality of adjusting devices are arranged in the groove, and each adjusting device comprises a sliding groove facing one side of the annular frame body; the sliding grooves incline towards one side from the outer frame to the annular frame body, sliding blocks are slidably connected into the sliding grooves and rotationally connected with sliding rods, one ends of the sliding rods are rotationally connected with the sliding blocks, the other ends of the sliding rods penetrate through the annular frame body to be slidably connected with the annular frame body, and check blocks are arranged at the ends of the sliding rods. A controller is externally connected with a control adjusting switch, the controller, a driving motor, a first driven gear, a second driven gear and an annular frame body are sequentially controlled to move, the annular frame body rotates relative to an outer frame, the length, located in the annular frame body, of a sliding rod is changed in the rotating process, and the inner diameter of the basket is changed in a disguised mode; the whole process only needs to control the adjusting switch, and the operation is simple.

The invention relates to a transparent cap for assisting digestive endoscopic resection, which includes an insertion tube, a support structure and an adjustment bracket. It is characterized in that the transparent cap also includes a pulling structure for changing the inner diameter of the adjustment bracket, the support structure supports the adjustment bracket, and the support structure and the adjustment bracket are arranged on the same side of the insertion tube, inside or outside the insertion tube . In addition, the transparent cap is also provided with a disposable insulating rubber ring which is placed on the lesion position during use. The variable inner diameter transparent cap of the present invention is a medical device used in assisting digestive endoscopic resection, which can adjust the size of the inner diameter at any time according to the size of the diseased tissue, so it can be more widely used in endoscopic resection of different sizes of diseased tissue Medium, and easy to use.

The invention provides an annular saw blade mechanism, and relates to the field of pipeline cleaning equipment. The annular saw blade mechanism comprises an annular saw blade and a supporting assembly. The annular saw blade is formed by winding a long-strip-shaped saw blade. The head and tail ends of the annular saw blade are overlapped, so that an overlapped section is formed on the annular saw blade; the inner diameter of the annular saw blade can be changed by adjusting the length of the overlapping section; the supporting assembly is fixedly connected with the annular saw blade and used for supporting and fixing the annular saw blade. The supporting assembly is further used for being in transmission connection with an external driving mechanism so that the external driving mechanism can drive the annular saw blade to rotate through the supporting assembly. The outer diameter of the supporting assembly is adjustable; the outer diameter of the annular saw blade mechanism can be changed by adjusting the inner diameter of the annular saw blade and the outer diameter of the supporting assembly. The invention further provides pipeline cleaning equipment, and the outer diameter of the annular saw blade mechanism can be adjusted according to use requirements so as to adapt to pipelines with different inner diameters.

The invention provided a highly equipment cultivated container, they can be stood up working, decreasing the amount of the cultivated soil, water, fertilizers, easy for installation and striking, minimizing the storage space and with a low cost. A container, having a cultivated soil collector which is partially formed by two sheets of laminating film material to form a tandem shape, a dust shape of the enhanced member which is connected in the opening of the cultivated soil collector with a conjuntion gate, and a supporting pipe which retains the cultivated soil collector to tie the enhance member standing up on the ground.

The invention relates to a fast manager for glue injection in vacuum infusion of fiber reinforced plastics. The fast manager is provided with a main frame, wherein the main frame is provided with an auxiliary frame; the auxiliary frame is provided with controllers and control rings; the control rings penetrate through corresponding sliding holes in the auxiliary frame and then are fixedly connected with the corresponding controllers. The fast manager has the advantages that the control rings slide up and down in the sliding holes by rotating the controllers so as to change the sizes of the inner diameters of the control rings and further realize control of the glue injection amount and the flowing speed; the glue injection control is flexible and convenient, the operation is free and the practicability is very strong.

The invention discloses a massage patch for mammary gland rehabilitation. The massage patch comprises an outer fixing membrane body and an inner fixing membrane body, a contraction tube is fixed outside the outer fixing membrane body, and massage particles are inserted into the outer fixing membrane body; an electric wire fixing piece is arranged on the front portion of the outer fixing membrane body, a contraction rope is fixed inside the contraction tube, and an electric wire is arranged inside the wire fixing piece; an adsorption ring is arranged outside the inner fixing membrane body, a heating piece is connected with the outer side of the inner fixing membrane body, and the outer fixing membrane body is fixed to the outer side of the heating piece. A heating structure is arranged inside the massage patch for mammary gland rehabilitation so that when rehabilitation therapy is carried out, pre-heating can be carried out; the massage patch is simple and convenient to use; a contraction structure is arranged on the outer side of the device so that the inner diameter of the device can be changed, and the massage patch can be conveniently used by people with different body sizes; afixing structure is arranged on the inner side of the device, so that the deviation of the device in the using process is effectively prevented, and the treatment effect is prevented from being influenced.