45results about How to "Increase the outer diameter" patented technology

The invention discloses a high-flexibility bending-resistant synchronous twisted-pair shielding flame-retardant towline cable, and relates to the technical field of cables, the towline cable comprises a plurality of chain links, the plurality of chain links form a towline, the inner side of each chain link is provided with a cable structure, each chain link is provided with a cable blocking structure, the cable structure comprises an outer sheath layer, and the outer sheath layer is provided with an outer sheath layer. The inner side of the outer coating layer is provided with a braiding layer, the inner side of the braiding layer is provided with a wrapping layer, the inner side of the wrapping layer is provided with a core wire, the inner side of the core wire is provided with a conductor, the inner side of the wrapping layer is provided with a filler, and the cable structure is formed by synchronously completing pair twisting and total twisting of five types of oxygen-free copper flexible conductor wires or six types of oxygen-free copper flexible conductor wires. The outer diameter of the finished cable is small, the bending resistance of the cable structure is enhanced, the phenomenon that the cable structure is prone to open circuit and short circuit in the high-frequency bending process is avoided, and meanwhile, through the cooperative use of the cable blocking structure and the disassembly and assembly structure, when the single cable structure is damaged, independent disassembly and replacement can be carried out.

The invention discloses an endoscope weight reduction support which comprises an upper reducing supporting body, a lower reducing supporting body, a connecting pipe and a membrane pipe. The upper reducing support body and the lower reducing support body are connected through a connecting pipe; and the membrane tube is fixed on the lower reducing support body. The degradable stent is prepared from a poly (p-dioxanone) material, and the degradable stent does not need to be taken out and can be automatically degraded and discharged, so that the step of taking out the stent is omitted, the cost and the risk are reduced, and the comfort of a patient is improved. The fixing effect is more stable, stent displacement is avoided, and stimulation of stent barbs to duodenum bulbar mucosa is avoided; the degradable stent is prepared from a poly (p-dioxanone) material, and the degradable stent does not need to be taken out and can be automatically degraded and discharged, so that the step of taking out the stent is omitted, the cost and the risk are reduced, and the comfort of a patient is improved.

The present invention provides a thrombus remover. The thrombus remover comprises a cylindrical self-expanding stent (1) with openings at both ends, a delivery guide wire (2) and an introduction sheath (3). The wall (11) of the self-expanding stent is composed of a hollow grid (12). The self-expanding stent (1) is divided into three parts along the length direction from the connection with the delivery guide wire (2): a proximal end (15), a middle section (14) and a distal end (13); the single grid area of ​​the grid of the middle section (14) is larger than the single grid area of ​​the distal end (13) and the proximal end (15). A smooth edge connecting rod (161) is arranged at the proximal edge of the self-expanding stent (1). The wall thickness of the self-expanding stent is 0.01-0.04 mm larger than the width of the connecting rod (16) at the non-proximal edge forming the grid (12).

The invention discloses an environment-friendly composite low-voltage power cable, and relates to the technical field of low-voltage cables, the outer side of a center conductor is tightly coated with an insulating inner layer, the outer side of the insulating inner layer is tightly coated with a protective inner layer, and the outer sides of the three protective inner layers are jointly coated with a limiting inner layer. The outer side of the limiting inner layer is tightly coated with a protection braid layer, and the protection braid layer is tightly coated with an isolation outer layer. The sealing flexible layer and the elastic expansion layer can actively expand outwards, so that the outer diameter of the cable is actively increased; the overall flexibility of the cable is effectively improved by using a gas cavity formed between the sealing flexible layer and the elastic expansion layer, so that the outer side of the cable can be elastically deformed by slight extrusion of the outer side, and can be recovered in time after the pressure is removed; therefore, the normal use of the cable is effectively prevented from being affected by the deformation and displacement of the internal conductor of the cable caused by the external extrusion, and the use stability of the power cable is effectively improved.

The invention provides an elastic centralizer which comprises a first connecting cylinder, a second connecting cylinder and a plurality of centralizing ribs, the top ends of the centralizing ribs are connected with the first connecting cylinder, the bottom ends of the centralizing ribs are connected with the second connecting cylinder, the first connecting cylinder and the second connecting cylinder are arranged on the outer wall of a sleeve in a sleeving mode, and the centralizing ribs are made of fiber resin composite materials. And the sleeve extends in an arc form in the direction far away from the sleeve. According to the elastic centralizer, the contact area of the centralizing ribs and the well wall is in a proper range, large supporting force can be provided, stress is not concentrated, meanwhile, the centralizing ribs have good elastic reset capacity, when the centralizing ribs are subjected to local pressure, the centralizing ribs are not prone to plastic deformation, and therefore centering running of a casing cannot be affected.

The application provides a ginseng fungus solid culture medium automatic bagging equipment, which comprises a blocking ring fixed to the end port of a discharge pipe, a pressing ring is sleeved on the discharge pipe, the pressing ring and the blocking ring have a pressing surface with equal slope, and an adjusting ring is screwed on the discharge pipe, the adjusting ring can drive the pressing ring to move towards the blocking ring to compress the bag opening of the growth bag. The application drives the pressing ring to move close to the blocking ring by rotating the adjusting ring, so as to fix the growth bag at the end port of the discharge pipe, and the convenience of fixing the growth bag is improved.

The present invention discloses a paper tube production device and a production method thereof, comprising a support tube and a paper tube base unit sleeved on the paper tube support tube, and a support body, the support body is provided with a receiving cavity through which both ends thereof are passed, the inner diameter of the receiving cavity is larger than the outer diameter of the paper tube base unit, a thickening channel is formed between the outer wall of the paper tube base unit and the inner wall of the receiving cavity, both ends of the support tube are provided with an opening and closing device for opening or closing both ends of the thickening channel, the support tube is also connected with a feeding device for feeding paper pulp into the thickening channel, the opening and closing device comprises two clamping plates arranged at each end of the support body, and the support tube is provided with a driving device capable of simultaneously driving the two clamping plates to move toward or away from the axis of the paper tube base unit. The present invention can facilitate the increase of the outer diameter of the paper tube, and is convenient to produce and highly efficient.

The utility model relates to the technical field of arc contact machining, in particular to a movable arc contact chamfering machining tool, and aims to solve the problems that contact claw chamfering machining of a movable arc contact is inconvenient, time-consuming, labor-consuming, low in efficiency and easy to damage. The device comprises a limiting sleeve, an expansion sleeve and an expansion shaft, the moving arc contact is inserted into the limiting sleeve, the expansion sleeve is inserted into the moving arc contact, and the expansion shaft is inserted into the expansion sleeve; a conical section is arranged on the expansion shaft and inserted into the expansion sleeve so that the outer diameter of the expansion sleeve can be increased. According to the utility model, the conical section of the expansion shaft is inserted into the expansion sleeve to increase the outer diameter of the expansion sleeve, so that the expansion sleeve pushes the contact claw of the moving arc contact and pushes the contact claw to swing in the direction far away from the axis; the limiting sleeve can limit the swing of the contact claw, and the swing angle is prevented from being too large. All the contact claws can be pushed through one-time operation, so that the working efficiency is improved, the contact claws are prevented from being damaged, and the labor intensity and the difficulty are reduced.

The utility model discloses a mounting structure of cooling coil of speed reducer, including cooling coil, the cooling coil includes: the coil body and two connecting pipes of connecting in two ends of the coil body respectively, the coil body is oblique spiral shape. The utility model discloses oblique spiral body facilitates the dismounting of cooling coil, and the contact area with the lubricating oil in the gear box body is big, and the conductivity is good, and the cooling effect is obvious, and the working efficiency of gear box is greatly improved.

The invention relates to the technical field of non-uniformly distributed oil and gas reservoir transformation, and particularly discloses a soluble bridge plug for a casing deformation well, which comprises a limiting joint, a connecting pull rod, a rubber sleeve, a slip assembly, a central pipe, a locking ring and an expansion component, and the expansion component comprises a first cone expansion piece and a second cone expansion piece; the first cone expansion piece is arranged on the central pipe in a sleeving mode and located between the rubber sleeve and the slip assembly, one end of the first cone expansion piece is used for limiting the other end of the rubber sleeve, the other end of the first cone expansion piece is used for expanding one end of the slip assembly, and the first cone expansion piece is connected to the other end of the connecting pull rod; the second cone expansion part is used for expanding the other end of the slip assembly, and the locking ring is connected into the second cone expansion part and slidably connected to the connecting pull rod. The soluble bridge plug can achieve effective packing in an ultra-large annular gap after passing through a casing change point, it is guaranteed that the casing change well passing through the casing change point transformation process is smoothly implemented, section loss is reduced, and the reservoir transformation efficiency is improved.

The plunger of the self-expansion and self-contraction double-sealing structure comprises a fishing head, an upper sleeve, a middle sleeve and a lower sleeve, and an internal thread at the opening edge of the lower end of the fishing head is connected with an external thread at the outer circumference of the upper end of the upper sleeve in a sleeving mode; a first elastic block group is connected between the lower part of the upper sleeve and the upper part of the middle sleeve, and a first sliding sleeve is encircled in the first elastic block group; a second elastic block group is connected between the lower part of the middle sleeve and the upper part of the lower sleeve; a second sliding sleeve is encircled in the second elastic block group; a center rod is installed in inner cavities of the upper sleeve, the first sliding sleeve, the middle sleeve, the second sliding sleeve and the lower sleeve in a penetrating mode. According to the plunger and the plunger tool, the upper-stage elastic block set, the lower-stage elastic block set and the two-stage turbulent flow pieces are arranged, each stage of elastic block set is provided with 6-8 elastic blocks, the double-sealing effect is achieved, the elastic blocks are opened, the outer diameter of the plunger is increased, accumulated liquid is effectively prevented from leaking when the plunger ascends, and the lifting and liquid discharging effect of the plunger is improved.

The invention discloses biopharmacy detection equipment which comprises a machine shell and is characterized in that a sampling press-fit assembly provided with a press-fit track is fixedly installed on the machine shell, a collecting belt is inserted into the press-fit track of the sampling press-fit assembly, the head of a sampling bag is pulled by the sampling press-fit assembly to be conveyed in the press-fit track of the sampling press-fit assembly, and the head of the sampling bag is driven by the sampling press-fit assembly to be conveyed in the press-fit track of the sampling press-fit assembly. When the head of the machine shell is inserted into sampling liquid, the two collecting belts are driven by the press-fit assembly to conduct press-fit collecting action. The collecting belt is inserted into the pressing track of the sampling pressing assembly, the head of the collecting belt is stably connected into the sampling pressing assembly, it is ensured that the position of the collecting belt is accurate, and the sampling pressing assembly drives the collecting belt to move along the pressing track. When the collection belt reaches the end part of the track, the pressing assembly can drive the two belt bodies of the collection belt to be precisely attached and perform pressing operation, so that quantitative collection and sealed storage of samples are completed. After pressing is completed, the collecting belt is safely brought back under the control of the pressing assembly.

The utility model discloses a limiting structure for an input shaft protective sleeve of an automobile steering device, and belongs to the technical field of automobiles. The steering gear input shaft protective sleeve solves the problem that a steering gear input shaft protective sleeve in the prior art is prone to excessively moving downwards during application. The steering gear input shaft protective sleeve mainly comprises a steering gear input shaft, a bearing gland is installed on the steering gear input shaft, the steering gear input shaft protective sleeve is sleeved on the upper side of the bearing gland of the steering gear input shaft, the steering gear input shaft protective sleeve comprises a protective sleeve body, a gland cover is installed at the lower end of the protective sleeve body, and the inner diameter of the gland cover is larger than that of the protective sleeve body. The gland cover and the protective sleeve body are in transition through an arc-shaped face, the steering gear input shaft is provided with an annular boss on the upper side of the bearing gland, the steering gear input shaft is provided with a limiting ring on the boss, the outer diameter of the boss is larger than the inner diameter of the limiting ring and smaller than the outer diameter of the limiting ring, and the inner diameter of the arc-shaped face is smaller and smaller from bottom to top. The outer diameter of the limiting ring is larger than the inner diameter of the arc-shaped face upper end and smaller than the inner diameter of the arc-shaped face lower end.

The invention relates to a heat exchanger of a liquid rocket engine, in particular to a wall surface integrated type 3D printing efficient heat exchange barrel with a water-drop-like section flow channel, and aims to solve the problems that an independent external heat exchanger and a pipeline thereof in an existing liquid rocket engine are complex, so that the requirement for compactness of an engine system is difficult to meet; and the complex pipeline increases the flow resistance of the liquid medium and affects the heating efficiency of the heat exchanger and the overall performance of the engine system. According to the wall surface integrated type 3D printing efficient heat exchange barrel with the water-drop-shaped section flow channel, a heat exchanger is integrated into the wall surface of a high-temperature gas pipeline, a pressurizing medium in a storage box is introduced into a second flow channel for heating, and then the pressurizing medium is introduced into the storage box to complete pressurizing; and compared with an independent external heat exchange scheme, the occupied volume and mass are greatly reduced, the thrust-mass ratio of the engine is increased, and the saved weight can be used for increasing the effective load.

The invention provides a catheter, which at least comprises a polymer layer, the polymer layer at least comprises a transition structure, the transition structure is a tubular structure, the transition structure comprises a single material area and a mixed material area, any one continuous closed area in the single material area is called as a first sub-area, and any one continuous closed area in the mixed material area is called as a second sub-area. Any one continuous closed area in the mixed material area is called as a second sub-area, any section of the transition structure in the axial direction comprises at least one second sub-area, and the starting section or the ending section of the transition structure comprises at least one first sub-area and at least one second sub-area; the edge of one end of the mixed material area is an inclined surface which forms an inclination angle with the axial direction of the conduit, and the edge of the other end is a right-angle surface perpendicular to the axial direction of the conduit.

The invention discloses an equal-height grinding method and device for a cylindrical fragile part. The method comprises the steps that one end face of the cylindrical fragile part is selected as a base face; a fastening ring is arranged on the cylindrical fragile piece in a sleeving mode; the clamping assembly is arranged on a magnetic suction cup of a grinding machine, the base face of the cylindrical fragile part is tightly attached to the magnetic suction cup, the clamping assembly is located on the peripheral side of the cylindrical fragile part, and the fastening ring is arranged between the cylindrical fragile part and the clamping assembly in a clamped mode; a magnetic suction cup of the grinding machine is magnetized, and the clamping assembly is moved in the direction close to the cylindrical fragile part till the cylindrical fragile part is clamped by the clamping assembly; and performing equal-height grinding on the cylindrical fragile part. According to the equal-height grinding method and device for the cylindrical fragile part, the machining time can be effectively shortened, raw materials are saved, and the cost is reduced.

The utility model relates to a combined ring rolling mill mould, the combined ring rolling mill mould includes main roller axle, the main roller axle outside fixed cover sets up with the cover and main roller mould, the cover has two, is located the upper end and lower extreme of main roller mould respectively, through the ring plate cover setting in the cover outside, the cover restricts the axial movement of ring plate, again passes through the ring plate respectively two pin rods, the part of pin rod is exposed in the cover inside and is connected with the cover outside, the cover restricts the up and down movement of pin rod, and the pin rod also restricts the up and down movement of ring plate, fixes together with the cover and ring plate, thereby increases the outer diameter of cover, guarantees the stability of material height and material moving direction in the ring rolling process of different thickness ring class forgings, guarantees that the shape of forging conforms to the design requirement.

The present invention discloses an environmentally friendly composite low-voltage power cable, which relates to the technical field of low-voltage cables. The outer side of the central conductor is tightly coated with an insulating inner layer, the outer side of the insulating inner layer is tightly coated with a protective inner layer, the outer sides of the three protective inner layers are jointly coated with a limited inner layer, the outer side of the limited inner layer is tightly coated with a protective braided layer, and the protective braided layer is tightly coated with an isolation outer layer. The present invention enables the sealing flexible layer and the elastic expansion layer to actively expand outward, thereby actively increasing the outer diameter of the cable, and utilizes the gas cavity formed between the sealing flexible layer and the elastic expansion layer to effectively increase the overall flexibility of the cable, so that the outer side of the cable can be elastically deformed by slight extrusion from the outside, and can be promptly restored after the pressure is removed, thereby effectively avoiding external extrusion directly causing deformation and displacement of the internal conductor of the cable to affect the normal use of the cable, thereby effectively improving the stability of the use of the power cable.

The utility model relates to the technical field of forming dies, in particular to a detachable die core and a die-casting die, the detachable die core comprises a supporting plate, and the supporting plate is used for being detachably and fixedly connected with a die body; the mold core rods are arranged perpendicular to the supporting plate, the mold core rods are detachably and fixedly connected with the supporting plate, and the mold core rods are located on the same side of the supporting plate; according to the die-casting mold, hole forming can be achieved in the die-casting process through the mold core rod, the mold core rod and the mold body can be conveniently installed through the supporting plate while the mold core rod is fixed, in addition, when the mold core rod is damaged, only the damaged mold core rod needs to be detached from the supporting plate to be replaced, operation is easy, convenient and rapid, and the production efficiency is improved. And therefore, the influence of the fracture of the core rod on the die-casting production efficiency of products is reduced.

The invention discloses an ultrasonic roller therapeutic apparatus, and belongs to the technical field of rehabilitation treatment and physical therapy. Comprising a handle, a mounting assembly arranged in the closed mounting cavity, a roller rotatably arranged in the placing cavity through the mounting assembly, and a driving signal transmission assembly correspondingly arranged in the closed mounting cavity, wherein the roller is used for rolling in a human body to realize rolling massage; and the driving signal transmission assembly acts on the roller. The wireless drive receiver, the wireless drive transmitter, the transducer generator and the transducer transmitting surface can generate ultrasonic waves and transmit the ultrasonic waves into human tissues, deep massage is performed on the human tissues, and the massage effect is improved. The ultrasonic guiding-in function is considered, the spraying mechanism sprays the ultrasonic coupling agent and can spray the liquid medicine at the same time, and when the ultrasonic coupling agent is replaced by other liquid medicine, ultrasonic guiding-in is conducted on the medicine.

The utility model discloses a drilling liner hanger assembly which comprises a drilling liner hanger, a drilling liner packer and a connecting pipe, the drilling liner hanger and the drilling liner packer are arranged on the connecting pipe in a sleeved mode, the drilling liner packer is an elastic drilling liner packer, the drilling liner packer comprises a packer body, the packer body comprises convex portions and concave portions, and the convex portions and the concave portions are arranged alternately. The adjacent convex parts and concave parts are smoothly connected, after expansion occurs, the convex degree of the convex parts is gradually weakened, meanwhile, the circumferential size of the packer is increased, the concave degree of the concave parts is gradually weakened, and meanwhile, the circumferential size of the packer is increased. After the packer expands, the corrugated packer can be gradually converted into the annular packer, the outer diameter of the packer can be obviously increased due to the change of the shape, and therefore the packer has the large expansion rate. Due to the fact that the expansion rate of the packer is large, effective sealing can be rapidly formed between the packer and the inner wall of the casing pipe in actual operation, and therefore operation efficiency is improved.

This application relates to the field of tunnel engineering blasting technology, and provides a shaped charge hydraulic smooth blasting device for ultra-large cross-section mountain tunnels. It includes reinforced explosive, a first shaped charge tube, a second shaped charge tube, a third shaped charge tube, half-rolls of explosive, an electronic detonator, a detonating cord, a water bag, and a sandbag. The first, second, and third shaped charge tubes are arranged coaxially in sequence, with half-rolls of explosive at both ends of each tube. The detonating cord connects the half-rolls of explosive at both ends of the shaped charge tube. The reinforced explosive is located at the end of the first shaped charge tube furthest from the second shaped charge tube, and the electronic detonator is located at the reinforced explosive. The water bag is located at the end of the third shaped charge tube furthest from the second shaped charge tube, and the sandbag is located close to the water bag. The sandbag is used to block the blast hole, and the lead wire of the electronic detonator passes through the blast hole. This application improves the blasting effect of shaped charge blasting.

The invention belongs to a hydrogen circulating pump runner structure in the technical field of hydrogen circulating pumps. The first shell flow channel (13) comprises a first inner ring (14) and a first outer ring (15), the first outer ring (15) is provided with a first convex part (16), the second shell flow channel (31) comprises a second inner ring (32) and a second outer ring (33), the second outer ring (33) is provided with a second convex part (34), a first shell first fit clearance (Ga) is formed between the first convex part (16) and the outer diameter of the impeller (2), and a second shell second fit clearance (Ga) is formed between the first convex part (16) and the outer diameter of the impeller (2). A gap between the first outer ring (15) and the outer diameter of the impeller (2) is a second fit clearance (Gb) of the first shell, and the first fit clearance (Ga) of the first shell ranges from 0.15 mm to 0.4 mm. The flow channel structure of the hydrogen circulating pump is simple in structure, under the condition that the appearance change is small, the flow of the hydrogen pump is effectively increased, the flow resistance is reduced, the shell rubbing risk of the impeller and the flow channel is reduced, the high-performance flow channel structure is achieved, meanwhile, due to the fact that the fit clearance is changed, the finish machining face is reduced, and the machining cost and time are reduced.

The invention belongs to the technical field of cable manufacturing, and particularly relates to an airport extrusion-resistant super-flexible electric reel phase-change connection cable and a manufacturing method thereof, and the cable comprises a power wire core and a control wire core; a metal conductor of the power wire core is formed by re-stranding divided unit conductors by adopting a 0 + 5 structure, the center of the metal conductor is filled with an aramid rope, the edge gap is filled with aramid yarn, and an insulating material is extruded outside the metal conductor; each segmentation unit conductor is formed by stranding strands in a 1 + 6 structure and wrapping the strands with a polytetrafluoroethylene tape. The control wire core comprises a cable core, the cable core is formed by twisting control wire groups by adopting a 0 + 6 structure, the center of the cable core is filled with an aramid rope, an edge gap is filled with aramid yarn, and a sheath is extruded outside the cable core; the control wire group is formed by twisting insulating wire core pre-cabling, and polyester ropes are filled in side gaps; each insulating wire core comprises a conductor, and an insulating material is extruded outside the conductor. According to the cable, a conductor grouping and twisting mode is adopted, and meanwhile the tensile force and the torsion resistance of the conductors are improved by adopting a torsion-resistant structure and a material assembly.

The utility model discloses a gas pipeline reinforcing and connecting device, and mainly relates to the technical field of gas pipeline connection. Comprising a connecting device used for connecting the two gas pipelines, the connecting device comprises a hose and pipeline connectors arranged at the two ends of the hose respectively, the two gas pipelines are arranged on the outer sides of the pipeline connectors in a sleeving mode respectively, fixing blocks are connected to the pipeline connectors in a threaded mode, and the gas pipelines are clamped between the pipeline connectors and the fixing blocks. The pipeline connector is provided with a first sealing ring making contact with the gas pipeline, and the fixing block is provided with an inclined face making contact with the gas pipeline. The gas pipeline has the advantages that the problem of leakage caused by dislocation of the pipeline is solved, and the safety of the gas pipeline in the conveying process is improved.

The utility model provides a spiral tree decorative lighting which comprises a first lamp strip and a support, the support comprises a supporting rod, a spiral supporting section, an upper supporting ring and a lower supporting ring, the upper supporting ring is fixed at the upper end of the supporting rod through an upper transverse rod, and the lower supporting ring is fixed at the lower end of the supporting rod through a lower transverse rod. One end of the spiral supporting section is fixed to the upper supporting ring, the other end of the spiral supporting section is fixed to the lower supporting ring, the first lamp strip is fixed to the spiral supporting section, the outer diameter of the spiral supporting section is larger than that of the first lamp strip, and the purpose that the first lamp strip is not prone to being damaged is achieved.

The utility model provides a cooling assembly and a compressing and film drawing device, the cooling assembly is used for cooling a compressing and film drawing assembly, the cooling assembly comprises a shell, a containing cavity is formed in the shell and used for containing cooling water, and the shell is further provided with containing grooves communicated with each other; the number of the outer shells is two, the two outer shells are connected with each other, so that the two containing grooves communicate with each other to form an installation position, and the installation position is used for installing the pressing film-drawing assembly. An operator firstly adds cooling water into the accommodating cavity, then splices the two shells to form an installation position, installs the pressing and film-drawing assembly at the installation position, and the pressing and film-drawing assembly abuts against the inner wall of the accommodating groove, so that the pressing and film-drawing assembly can press a wire rod to form a conductor in a cable, and the pressing and film-drawing assembly and the wire rod can generate friction, so that the conductor in the cable is formed. The friction can generate heat, at the moment, the heat generated by the friction can be transmitted to the cooling water in the containing cavity from the compressing and film drawing assembly through the shell, and the situation that the wire rod is oxidized due to the too high temperature is prevented.

The compressor comprises a shell, the shell comprises a circumferential shell body and a lower shell body, the lower shell body is arranged at the bottom of the circumferential shell body, the lower shell body comprises a circumferential wall and an arc-shaped bottom wall, the arc-shaped bottom wall is arranged at the bottom of the circumferential wall, the circumferential wall is connected with the circumferential shell body, and a plane part is arranged at the bottom of the arc-shaped bottom wall; the adsorption part is arranged on the plane part, the adsorption part is configured to adsorb scrap iron, a through hole is formed in the adsorption part, and the through hole extends in the height direction of the adsorption part. The utility model can achieve the effects of improving the scrap iron adsorption rate, reducing vibration and noise and improving the oil supply amount, and is low in cost.

A corrugated ceramic X-ray tube is characterized in that an anode assembly is arranged on the corrugated ceramic X-ray tube, the anode assembly is connected to the lower end of a tube shell assembly, a cathode assembly is mounted at the other end of the tube shell assembly, and a cathode lead cap is mounted at the top end of the tube shell assembly. The corrugated ceramic X-ray tube adopts a tube shell with a corrugated ceramic structure, the tube shell is matched and sealed with a kovar ring in a sealing manner, the tube shell is matched and sealed with a flange connecting ring in a flat sealing manner, brazing with a very high sealing requirement between ceramic and metal is completed by using a solder in a vacuum or hydrogen furnace, and the voltage-resistant insulating strength of the shell is enhanced. The corrugated ceramic tube shell enables the ray tube to be higher in mechanical strength, more reliable and safer, the ray tube is miniaturized when the ray tube is used on a portable computer, and real-time imaging is completed. The window is arranged on the lower half portion of the X-ray tube, compared with a glass tube, no glass shell is arranged outside the beryllium window, X-ray absorption of the window is reduced, mechanical strength is high, service life is longer, and application is wider.

The invention belongs to the technical field of electronic equipment, and particularly relates to a pouring forming process of an inductor. A pouring forming process of an inductor comprises the following steps that S1, a conductor coil (2) with a bent part (3) is prepared; s2, the conductor coil (2) is placed in a cavity of a pouring mold (1), then a pouring material composite material is poured into the cavity of the pouring mold (1) through a pouring runner, and a preliminary product of the poured inductor is obtained; and S3, carrying out curing treatment on the primary product of the cast inductor obtained in the S2 to obtain a finished product of the cast inductor. According to the pouring forming process of the inductor, the problems that due to the fact that iron powder at the bent positions of the two ends of an existing conductor is not pressed compactly, the side wall is prone to cracking after the inductor is formed, and the reliability and the yield are low due to the fact that large forming pressure is required in the process of pressing forming are solved, and the obtained pouring forming process of the inductor is simple; the inductor is excellent in performance, and the yield of the poured inductor is improved.