29 results about "Head gasket" patented technology

The utility model belongs to the technical field of pole piece processing, and discloses a die head gasket, a die head and an extrusion coating machine. The die head gasket comprises a gasket body, a flow adjusting module and an opening adjusting module. The gasket body is provided with a discharging opening, and slurry in a die head can flow out of the discharging opening to a die head nozzle. The flow adjusting module is detachably connected to the gasket body and can partially block the slurry from flowing into the inlet of the gasket body so as to adjust the flowing state of the slurry in the gasket body. The opening adjusting module is movably connected to the gasket body and can partially extend out of the discharging opening so as to adjust the opening width of the discharging opening. According to the die head gasket, the flowing uniformity of slurry can be effectively adjusted, all parts can be conveniently detached and replaced so as to meet diversified coating requirements, the flexibility and the operation convenience are improved, and the production cost is reduced.

The present invention provides a sealed corrosion-resistant shock-absorbing device, which belongs to the field of shock-absorbing devices for walking sightseeing boats, and includes an oil cylinder, a spring, a spring seat, a spring cover, a cover gasket, a buffer body, a mounting seat, a mounting gasket, a mounting ring, a sleeve, a sleeve sealing body, a sleeve, a sleeve head, a sleeve head gasket, and a nut assembly. The oil cylinder body is welded into one body with the sleeve and the spring seat, and the sleeve is welded into one body with the mounting seat; the oil cylinder is assembled into one body with the spring, the buffer body, the spring cover, and the nut assembly through a guide rod, and the spring cover is assembled into one body with the mounting gasket, the mounting seat, and the mounting ring; after the cylinder body and the sleeve are welded, the overall surface is chrome-plated and sprayed, the sleeve is inserted into the sleeve to form a sealed space with the sleeve, and the shock-absorbing components work in the sealed space, and the sealed space is ventilated with the outside through the central hole and radial hole of the guide rod; the spring is used for vibration damping, the buffer body makes vibration buffering, and the oil cylinder guide rod is telescopic to make the vibration buffering stable; the device is installed on the walking sightseeing boat, so that it travels smoothly and increases the comfort of tourists.

The invention discloses a processing method for preventing the edge of a positive plate from being too thick and the positive plate, and the processing method comprises the following steps: S1, slurry pretreatment: filtering positive slurry through a precise filter screen, adding a nonionic surfactant, and uniformly stirring; s2, slurry rheology regulation and control: carrying out shear pretreatment on the slurry until the shear viscosity is 1200-1800 mPa.s; s3, a die head gasket is optimized, specifically, an inwards-concave wedge-shaped gasket is adopted, the edge thickness of the gasket is smaller than that of a central area, and a fluid resistance gradient field is formed; s4, coating is controlled through pressure pulsation, specifically, pressure fluctuation in a die head is monitored in real time through a pressure feedback system, and the extrusion speed is dynamically adjusted according to the monitoring result; and S5, differential drying treatment: enabling the coated positive plate to pass through a multi-section drying system, wherein the drying temperature of an edge area is 15-25 DEG C lower than that of a central area. The processing method provided by the invention can effectively prevent the problem that the edge of the positive plate is too thick, and improves the performance and safety of the battery.

The utility model relates to a quantitative adjusting device for a coating die head gasket, which comprises a positioning base plate, a fixing base plate, a fixing base plate, a fixing base plate and a fixing base plate, the positioning base plate is provided with a reference surface parallel to the coating die head gasket, and the reference surface is provided with a positioning pin connected with the coating die head gasket; and the positioning backup plate is located at one end of the positioning base plate and provided with a lap joint face attached to the coating die head lip, and the lap joint face is perpendicular to the reference face. The coating die head gasket and the coating die head are subjected to high-precision pre-positioning through the quantitative adjusting device, and then the coating die head gasket and the coating die head are mounted, so that the coating die head gasket is kept to be shrunk into the coating die head lip according to the set size, the mounting precision and the mounting efficiency of the coating die head gasket are improved, and the mounting efficiency of the coating die head gasket is improved. And the manual positioning difficulty is reduced.

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.

A piston compressor and a portable refrigerator. The portable refrigerator comprises a piston compressor (100), the piston compressor (100) comprising a cylinder head (7), a cylinder head gasket (6), a valve plate (5), an intake valve (4), a valve gasket (3) and a crankcase (1), wherein the cylinder head (7) comprises a cylinder head high-pressure chamber (75) and a cylinder head discharge hole (63), the crankcase (1) comprises a crankcase high-pressure chamber (16) and a crankcase discharge hole (13) corresponding to the cylinder head discharge hole (63), and the piston compressor (100) is provided with a plurality of gas discharge paths for discharging gas that enters the cylinder head high-pressure chamber (75), the plurality of gas discharge paths comprising: a gas discharge path, along which the gas leaves the cylinder head high-pressure chamber (75), passes through a gas guide hole (65) in the cylinder head gasket (6), a gas guide hole (55) in the valve plate (5), a gas guide hole (45) in the intake valve (4) and a gas guide hole (35) in the valve gasket (3) in sequence to a crankcase channel to enter the crankcase high-pressure chamber (16), then enters the crankcase discharge hole (13) through a crankcase discharge channel (17), and is discharged through the cylinder head discharge hole (63); and at least one further gas discharge path, along which the gas leaves the cylinder head high-pressure chamber (75) and returns to be discharged through the cylinder head discharge hole (63).

The utility model relates to a slit extrusion type coating die head gasket capable of being quickly assembled, which belongs to the technical field of manufacturing of lithium ion batteries for new energy automobiles, and comprises a gasket main body which is responsible for limiting transverse fluid; the gasket body is provided with a plurality of lateral flow baffles, the lateral flow baffles are provided with connecting clamping grooves, the lateral flow baffles are all connected to the gasket body through the connecting clamping grooves, the lateral flow baffles are responsible for flow limiting of lateral fluid, and the lateral flow baffles are all provided with chamfers. Products with different sizes and edge thicknesses can be switched in a short time, the cost is reduced, and the time debugging period is shortened.

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.

To prevent a gasket mounted on a holding groove of a cylinder head cover from coming off of the cylinder head cover.SOLUTION: A cylinder head cover gasket has: a base part 4a that is inserted into a holding groove 3; a seal part 4h that is provided on a cylinder head side of the base part 4a, and is in contact with a flange surface of the cylinder head; and holding parts 4f, 4g that are provided on both sides of the base part 4a, have an obtuse triangular cross-sectional shape, and are in contact with an inner wall surface 3a of the holding groove 3 at tip portions 4g-3, 4f-3 in a state where the tip portions 4g-3, 4f-3 with one acute angle included in the obtuse triangular shape face the opening side of the holding groove 3.SELECTED DRAWING: Figure 5

A rubber-metal laminated gasket material comprising a metal plate, a surface treating agent layer, an adhesive layer, and a rubber layer, the layers being sequentially laminated on the metal plate; wherein the surface treating agent layer is formed by using a surface treating agent comprising an organic titanium compound and titanium coupling agent-treated alumina, wherein the element mass ratio of titanium and aluminum in a surface treating agent film is 5:95 to 60:40. The rubber-metal laminated gasket material is exhibits the following effects. For example, adhesion peeling does not occur in a heat resistance test method in LLC in consideration of the actual use environment of engine cylinder head gaskets, and excellent LLC resistance is exhibited even under conditions of 150°C for about 300 hours, high temperature conditions.

The present invention relates to an extrusion die assembly of an extrusion coating machine, comprising a cavity upper structural part and a cavity lower structural part, characterized in that the surface of the cavity lower structural part is provided with a groove, the cavity upper structural part is located at the top of the groove to enclose the groove into a cavity, and the cavity is a hollow cavity with a simulated cone streamline structure; the cavity lower structural part is provided with a feed port connected to the cavity, a die head gasket is provided between the cavity upper structural part and the cavity lower structural part, the gap formed by the die head gasket between the cavity upper structural part and the cavity lower structural part is the discharge port of the cavity, the feed port is located at the bottom of the cavity, and the discharge port is located at the top of the cavity; the cavity upper structural part is provided with a guide tube. The hollow cavity with a simulated cone streamline structure makes the slurry flow conform to the characteristics of fluid mechanics, the flow rate is more stable, and the extrusion is more uniform.

The utility model discloses a lock head gasket riveting positioning device which comprises a fixed bottom plate. Two linear guide rails and a first air cylinder are fixedly arranged on the surface of one side of the fixed bottom plate. The output end of the first air cylinder is fixedly connected with a steel wire rope jacking piece, and the steel wire rope jacking piece slides along the linear guide rail. The steel wire rope jacking piece comprises a notch part arranged at the end of the steel wire rope jacking piece. A fixed seat is arranged between the two linear guide rails, and a first through hole, a lower riveting head and a steel wire rope supporting plate are arranged on the fixed seat; the lower riveting head comprises a lower riveting head main body, two first positioning bulges and two second positioning bulges; the steel wire rope supporting plate comprises a supporting plate body and a trapezoidal protruding block arranged on the supporting plate. The two first positioning protrusions and the two second positioning protrusions arranged on the lower riveting head can correspond to the first positioning holes and the second positioning holes in the lock head gasket, and therefore positioning can be achieved. And the steel wire rope jacking piece can jack the steel wire rope, so that the accommodating groove and the steel wire rope are conveniently positioned.

The utility model relates to a slit extrusion type die head gasket suitable for wide coating, which belongs to the technical field of manufacturing of lithium ion batteries for new energy automobiles, and comprises a gasket main body, the gasket main body is of a U-shaped structure, and the upper sides of two wings of the U-shaped gasket main body are respectively provided with a blank area. Two blank areas are arranged on the gasket main body 1, a first ceramic runner milling groove is arranged below each of the two blank areas, a second ceramic runner milling groove is arranged above each of the two blank areas, and a chamfer is arranged at the top point of each of two wings of the U-shaped gasket main body 1, so that the gasket can adapt to the manufacture of a lithium electrode plate with the coating width of 1000mm-1200mm through the unique design of the chamfers of the gasket; the problem of thick edge of the dressing is avoided, and the influence on the safety of the battery cell caused by the problems of poor lap joint of the ceramic and the dressing, easy generation of foil leakage and the like in the traditional pole piece production process is effectively solved through the unique design of the island and the ceramic runner milling groove depth.

The utility model relates to a novel waterproof detachable plug-pull type connecting structure which comprises a handle rod and a handle plug-pull matching screw which are both of a hollow structure, and further comprises a female head gasket, a female head, a male head cushion block and a male head. Three grooves are formed in the lower end of the handle rod from top to bottom along the circumference and correspondingly provided with a straight-down hand-screwing nut, a clamping spring and a handle rod sealing ring respectively, meanwhile, a female head mounting groove is formed in the handle rod, a female head gasket, a female head, a bolt sealing gasket and a bolt are installed, and a male head mounting groove is formed in the handle insertion and extraction matching screw. And the handle rod is screwed through the straight down hand-screwing nut and is matched with the thread of the handle pull-plug matching screw to extrude the handle rod sealing ring, so that the handle rod is connected with the straight down hand-screwing nut in a sealing manner. The device is convenient to disassemble and assemble, seawater corrosion is effectively prevented, the 80-meter deep-sea sealing waterproof function is achieved, and the technical contradiction that a traditional integrated structure cannot give consideration to portability and deep-sea sealing at the same time is solved.

The application discloses a kind of preventing long string end head skin deformation method and end head gasket forming method in the technical field of composite material manufacturing process, comprising the following steps: long string is placed in the forming recess in the upper surface of forming curing tool;Place core mold;End head gasket is placed in the gasket groove in the upper surface of forming curing tool, and the gasket groove is vertically communicated with forming recess, and the end head gasket ballast is fixed above core mold;Skin is laid on the upper surface of forming curing tool, and the end of the skin is on end head gasket;Curing is carried out.The application carries out vertical rigid support to skin by end head gasket, not only can reduce the influence of uneven pressure on skin, thereby preventing skin deformation, but also simple operation, strong practicality.

Power machine (20) comprising the following: a cylinder block (70) forming a cylinder (22); a cylinder head (72); and a cylinder head gasket (100, 200) positioned between the cylinder block (70) and the cylinder head (72), wherein the cylinder head gasket (100, 200) is first and second outer layers (202, 204) and a spacer layer (206) positioned between them, wherein the first layer (202) defines a first opening having a first diameter surrounding the cylinder (22) and a bead (220) surrounding the opening, wherein the spacer layer (206) defines a second opening having a second diameter larger than the first diameter, such that the second opening is arranged concentrically between the first opening and the bead (220), wherein the cylinder head gasket (100, 200) has a stopper layer (242) extending inwards from the spacer layer (206) to a circular stopper element (252), wherein the stopper element (252) is positioned adjacent to and thus aligned with the first opening, and wherein the stopper element (252) has a first thickness in an axial direction of the cylinder head gasket; wherein the spacer layer (206) and the stopper layer (242) are connected by an overlap between them to provide a second thickness in an axial direction; and where the second thickness is greater than the first thickness.

The utility model discloses a high-strength automobile steering knuckle which comprises a steering knuckle body and a shaft rod fixedly installed in the steering knuckle body, a high-strength piece is fixedly installed on one side of the steering knuckle body, a fastening groove is formed in the surface of the steering knuckle body, an oil inlet is formed in the fastening groove, and the oil inlet is communicated with the high-strength piece. The high-strength automobile steering knuckle is characterized in that a sealing ring is additionally arranged on the inner wall of the oil inlet, a connecting ring is arranged in the oil inlet, a sealing gasket is installed on the connecting ring, a sealing mechanism used for sealing oil liquid is arranged in the oil inlet, and an oil port sealing head is arranged in the oil inlet. The end socket gasket is arranged on the oil port end socket again, after the oil port end socket is installed, three-layer sealing can be formed, the risk of oil leakage is greatly reduced, the pressing rod which is manually pulled is rotated, the inclined face pressing block applies strong pressure to the oil port end socket, the pressure enables the sealing gasket, the sealing ring and the end socket gasket to form compensation, and the sealing performance is greatly improved.

The present invention discloses a thrust rod rubber bushing press-fitting head and a press-fitting device, wherein the thrust rod rubber bushing press-fitting head comprises a pin shaft part, a press head elastic part cooperatedly installed on the pin shaft part shaft, a press head gasket cooperatedly installed on the pin shaft part shaft and located on the upper part of the press head elastic part, and a press head fixedly installed on one end of the pin shaft part away from the press head gasket; the thrust rod rubber bushing press-fitting device comprises a lower die base for placing the thrust rod and an upper die base in contact with a press machine; the present invention installs a press head part inside the upper die base, so that the upper die base can simultaneously press down the rubber bushing and the thrust rod when performing the downward pressing action, and pressing down the rubber bushing and the thrust rod at the same time can reduce the force on the upper end cover of the rubber bushing, thereby reducing the deformation of the upper end cover, thereby solving the technical problems that the upper end cover is prone to turning over and tilting when the rubber bushing of the thrust rod assembly is press-fitted, and the end cover has potential failure and rupture due to internal damage caused by turning over of the upper end cover of the rubber bushing during press-fitting.

The utility model discloses a coating die head gasket which comprises a gasket base body and two quick gear shifting edges, the two quick gear shifting edges are detachably installed at the two ends of the gasket base body respectively, the gasket base body and the two quick gear shifting edges are combined to form a U-shaped structure, protruding parts are arranged on the opposite sides of the two quick gear shifting edges, and the two quick gear shifting edges are arranged on the gasket base body. And a discharging channel allowing the coating to flow out is formed between the two protruding parts. According to the utility model, the inventory cost of the coating gasket can be greatly reduced, and meanwhile, the purchasing and management difficulty is reduced.

The invention relates to a cylinder head gasket (1) for an internal combustion engine, the cylinder head gasket (1) comprising a base (11) having a plurality of openings (13) intended to be aligned with combustion chambers of the internal combustion engine and at least one indexing stop (12) extending from the base (11). Each at least one indexing stop (12) is formed from the same material as the base (11) and allows for a unique assembly configuration of the cylinder head gasket (1) on a cylinder block of the internal combustion engine. Figure 1

The invention discloses an examination chair suitable for pleural effusion puncture treatment, and relates to the field of medical examination chairs, the examination chair comprises a support frame, the upper surface of the support frame is fixedly connected with a seat, the surface of the support frame is fixedly connected with a sleeve, the inner wall of the sleeve is in threaded connection with a threaded column, and the inner wall of the sleeve is in sliding connection with a support column. The top end of the supporting column is fixedly connected with a headrest, and the surface of the sleeve is fixedly connected with a controller. The output end of a second gear motor drives a third bevel gear and a lower clamping plate to rotate, a fifth bevel gear rotates to drive a rotating shaft and an upper clamping plate to rotate together, the upper clamping plate and the lower clamping plate make contact with the skin of a patient together, clamping positioning is kept, the body of the patient is prevented from moving, puncture operation is facilitated, and the body cannot shake; the puncture needle inserting effect is prevented from being affected, and the drainage tube after puncture can be fixedly clamped in a pair of plastic clamps to be kept stable.

The application discloses a length-adjustable locking and sealing pipeline joint and method, and belongs to the technical field of fuel system pipe joints. The joint comprises a base, a bevel gear transmission mechanism, a rotating pipe, a translating pipe and a composite sealing head. The middle part of the base is provided with a bevel gear mounting seat, and the two sides are symmetrically provided with the rotating pipe. The rotating pipe is internally threadedly connected with the translating pipe. The rotating pipe and the base are sealed through an end face gasket. The composite sealing head comprises a sealing head gasket and a sealing nut. The sealing head gasket has a multi-section sealing structure and simultaneously forms multiple seals with the base clamping strips, the translating pipe clamping grooves and the rotating pipe inner wall. The tightening fastening nut simultaneously compresses the end face gasket and drives the sealing head gasket to radially expand through axial displacement, thereby realizing the synchronous locking and sealing between the rotating pipe and the base and between the rotating pipe and the translating pipe. The pipeline extension and contraction adjustment and multiple sealing can be completed through a single operation, and the application has the advantages of convenient operation, reliable sealing, no rotating torque transmission to the pipeline and the like.

The application discloses a method for saving activated carbon and porcelain rings in a lower head of a converter in production of calcium carbide method polyvinyl chloride, and belongs to the technical field of polyvinyl chloride production, and comprises the following steps: S1, horizontally welding a support frame in a straight cylinder section of the lower head of the converter; S2, laying a steel grating on the support frame, laying a steel wire mesh on the steel grating, and fixing the steel wire mesh to the steel grating by iron wires; the support frame is horizontally welded in the straight cylinder section of the lower head of the converter, the steel grating is laid on the support frame, the steel wire mesh is laid on the steel grating, and the steel wire mesh is fixed to the steel grating by the iron wires; the glass silk cloth I is laid on the steel wire mesh through edge pressing, the lower head gasket is placed on the pressing surface of the lower head, the activated carbon is laid on the glass silk cloth I, the glass silk cloth II is laid on the activated carbon, the filling of the phi 50 porcelain ring and the phi 25 porcelain ring is cancelled, the filling amount of the activated carbon in the lower head of each converter is effectively reduced, the filling weight of the lower head of the converter is reduced, and the lifting and installation risk of the lower head of the converter is reduced.

To enhance seal performance among a cylinder block, a cylinder head, and a cover member.SOLUTION: A head gasket comprises: a first baseboard in which a cylinder axial direction is set as a thickness direction; a second baseboard arranged at one side of the first baseboard in the cylinder axial direction; and a third baseboard arranged at one side of the second baseboard in the cylinder axial direction; and a protrusion protruding to one side or the other side of the cylinder axial direction. A ridge line extending toward a mating face of a cover member in the cylinder axial direction is provided at least at either of the first and third baseboards. Penetration holes which are formed at a position being the vicinity of the protrusion in a view of the cylinder axial direction, penetrate front surfaces and rear surfaces of the baseboards, and are overlapped on each other in the view of the cylinder axial direction are formed at the second baseboard and the third baseboard, and a hole diameter of the penetration hole of the second baseboard is set smaller than a hole diameter of the penetration hole of the third baseboard.SELECTED DRAWING: Figure 6

The utility model discloses a coating die head gasket installing and positioning device, including: lower die head, upper die head and height adjustment subassembly, height adjustment subassembly includes fixed link, first recess, positive and negative motor, threaded lead screw and slider, the left surface of lower die head is fixedly connected with the fixed link, the upper surface of fixed link is fixedly connected with positive and negative motor, the threaded lead screw is fixed with the fixed link, and the threaded lead screw is fixed with the fixed link. The output end of the forward and reverse motor is fixedly connected with a threaded lead screw, the side surface of the threaded lead screw is in threaded connection with a sliding block, the right surface of the sliding block is fixedly connected with a lower die head, and a first fixing block is fixedly connected to the left surface of the lower die head. And it is ensured that the relative position precision of the upper die head and the lower die head is always kept in the moving process, then the installation position of the gasket is more accurate, the outer side of the gasket can be limited while the interior of the gasket is limited, and the position of the gasket is stable.

The utility model belongs to the technical field of hard disk repair, and particularly relates to a drawable hard disk magnetic head extractor which comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are fixedly connected through a first support and a second support, and the outer wall of the second support is rotatably connected with an annular plate. A first connecting plate is fixedly connected to the outer wall of the annular plate, a third mounting plate is slidably connected to the interior of the first connecting plate, a second connecting plate is fixedly connected to one side of the third mounting plate, and a magnetic head gasket is mounted on one side of the second connecting plate. Through the combined design of the fixing plate and the support, a stable operation platform is formed, potential damage caused by vibration and displacement can be effectively avoided when the magnetic head assembly is taken out, the operation flexibility is improved through the rotation design of the annular structure, the equipment can meet the specific requirements of different hard disk models and magnetic head positions, and the operation efficiency is improved. And the complexity and the time consumption of the adjustment process are reduced.

The invention discloses a lock gasket riveting machine, comprising a frame, an upper riveting device and a riveting positioning device; the riveting positioning device comprises a fixed base plate; two linear guide rails are fixedly arranged on the surface of one side of the fixed base plate, and first cylinders are arranged at both ends of the fixed base plate; a wire rope pressing piece is fixedly connected to the output end of the first cylinder, and the wire rope pressing piece comprises a notch arranged at its end; a step-shaped fixing seat is arranged between the two linear guide rails, and a lower riveting head and a wire rope supporting plate are arranged on the fixing seat; the lower riveting head comprises a lower riveting head body, first and second positioning protrusions; the wire rope supporting plate comprises a supporting plate body, and a trapezoidal protrusion on the supporting plate is arranged. The wire rope is pressed by the wire rope pressing piece, so that the lock gasket is conveniently placed in a suitable position above the wire rope. The positioning protrusion arranged on the lower riveting head facilitates the positioning of the lock gasket. The upper riveting head can quickly rivet and fix the lock gasket and the wire rope.

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.