56 results about "Thread seal tape" patented technology

The utility model relates to the technical field of teflon tapes, in particular to a teflon tape packaging shell convenient to cut, which comprises a teflon tape reel, a connecting piece is detachably connected onto the teflon tape reel, the connecting piece comprises a cylinder, the teflon tape reel is sleeved on the outer side of the cylinder, and an annular fixing plate is arranged at the rear end of the outer wall of the cylinder. A cutting assembly is arranged at the top end of the outer wall of the annular fixing plate and comprises a connecting rod, a rectangular box is arranged at the top of the front side of the connecting rod, a moving plate is slidably connected into the rectangular box, four springs arranged in a matrix mode are arranged between the bottom of the moving plate and the bottom of the inner wall of the rectangular box, and a cutter is arranged at the bottom of the moving plate. A rectangular hole a for the cutter to penetrate through is formed in the bottom of the rectangular box, and a pressing block is arranged on the top of the movable plate. According to the teflon tape packaging shell convenient to cut, due to the design of the cutting assembly, a worker can rapidly cut a teflon tape without carrying scissors or a small knife, so that time and energy are saved, and the working efficiency is improved.

The invention provides an LTCC raw material belt with a high thermal expansion coefficient, an LTCC substrate and a preparation method of the LTCC substrate, the LTCC raw material belt with a smooth surface and a uniform thickness is obtained through tape casting by adjusting the proportion of silicon dioxide ceramic powder, MgTiO3 ceramic, SrTiO3 ceramic, Li2MgSiO4 ceramic, BCBS, ZABS and LASP microcrystalline glass powder, the LTCC raw material belt is sintered in a nitrogen furnace at 880-940 DEG C for 1-3 h, and the LTCC raw material belt can be co-fired with low-cost copper electrode slurry to be flat and tightly attached to the low-cost copper electrode slurry. The LTCC substrate with the thermal expansion coefficient larger than 11 ppm / DEG C is prepared, under the test frequency of 5 GHz, the dielectric constant of the LTCC substrate ranges from 5.1 to 6.1, the dielectric loss ranges from 0.0025 to 0.004, the bending strength ranges from 170 MPa to 230 MPa, the thermal expansion coefficient at the temperature ranging from 30 DEG C to 400 DEG C ranges from 11.0 ppm / DEG C to 13.0 ppm / DEG C, and acid resistance is good.

The utility model relates to the technical field of raw material belt production, in particular to a raw material belt coiling device which comprises a base, a fixed vertical plate is arranged at the top of the base, a rotating shaft is rotatably connected to the right side of the fixed vertical plate, an annular fixed plate is arranged on the outer wall of the rotating shaft, and a plurality of raw material belt coiling cores and a plurality of partition pieces are arranged on the outer wall of the rotating shaft in a sleeved mode. A threaded connecting rod is arranged at the right end of the rotating shaft, and the outer side of the threaded connecting rod is connected with a pressing assembly used for pressing the raw material belt roll cores. According to the raw material belt coiling device, a certain distance is kept between every two adjacent raw material belt coiling cores through the partition pieces, two adjacent raw material belt coiling rings are prevented from being affected, when the internal thread connecting pipe moves towards the annular fixing plate, the distance between the annular pressing plate and the annular fixing plate is decreased, and therefore the multiple raw material belt coiling cores and the multiple partition pieces are extruded; and the plurality of separators and the plurality of raw material belt roll cores can synchronously rotate along with the rotating shaft after being extruded, so that the synchronous coiling operation of the plurality of raw material belt roll cores is realized.

This utility model relates to the field of raw material tape production technology, and in particular to a cooling and curing device for raw material tape production. It includes a housing with a first air outlet. A wind-cooling mechanism for cooling the raw material tape is connected to the housing. An open water tank is fixedly connected to the bottom of the housing. A first rotating roller is rotatably connected inside the open water tank. A second and third rotating rollers are rotatably connected inside the housing, with the first rotating roller located between the second and third rotating rollers. This utility model releases cold air to cool the raw material tape after the wind-cooling mechanism is activated. The cold air enters the housing and is released from the first air outlet. The raw material tape, cooled by the cold air, comes into contact with the cooling water in the open water tank. The cooling water provides secondary cooling to the raw material tape—first by the cold air, then by the cooling water—thus improving the cooling and curing effect of the raw material tape.

The utility model discloses a sleeve bottom sealing structure with an oil return path, which comprises a lower porcelain bushing and a conductive tube coaxially arranged in the lower porcelain bushing, and an oil passing channel is formed between the conductive tube and the lower porcelain bushing; the bottom of the conductive tube extends to the lower part of the lower porcelain bushing and is wound with a raw material belt; a base is rotationally arranged at the bottom of the conductive tube, a first sealing ring is embedded in the upper end face of the base, and the base extrudes the first sealing ring to enable the first sealing ring to abut against the bottom end of the lower porcelain bushing; an oil outlet is formed in the base, and an oil return channel communicated with the oil outlet and the oil passing channel is formed in the base; and an oil plug is screwed in the oil outlet. The thread of the conductive tube is sealed by using the raw material belt and the sealing ring, so that the assembly is convenient and labor-saving; meanwhile, an oil return path is arranged on the base, so that the oil return requirement of the sleeve can be met.

The utility model discloses a fire-fighting spraying connector which comprises a first connecting piece and a second connecting piece which are integrated, a through hole is formed in the center penetrating through the first connecting piece and the second connecting piece, a first groove is formed in the first connecting piece, a second groove is formed in the second connecting piece, a first O-shaped sealing ring is arranged at the bottom of the first groove, and a second O-shaped sealing ring is arranged at the bottom of the second groove. And a second O-shaped sealing ring is arranged at the bottom of the second groove. According to the utility model, the structural design is reasonable, the end part of the spraying head extends into the bottom of the first groove and is tightly extruded together with the first O-shaped sealing ring to prevent water leakage, and the end part of the water conveying pipeline extends into the bottom of the second groove and is tightly extruded together with the second O-shaped sealing ring to prevent water leakage; teflon tapes do not need to be wound on the threaded openings at the end parts of the spray header and the water conveying pipeline, so that the operation is convenient, the connection operation of the joint can be easily completed by non-professional installation personnel, the construction cost is reduced by 80%, and the installation efficiency is improved by more than two times.

The invention provides a pipeline thread sealing tape based on a moisture curing type alkoxy silane polymer and a preparation method of the pipeline thread sealing tape, and belongs to the technical field of sealing materials. The sealing tape provided by the invention takes an alkoxy silane-terminated polymer as a core film-forming substance, and takes non-woven fabric as a fiber-based carrier. The alkoxy silane polymer can quickly absorb moisture in the air, cross-linking and curing are carried out, and a tough and compact three-dimensional network silicone rubber sealing layer with high adhesive force is formed. The sealing layer is firmly attached to the non-woven fabric fiber-based carrier, thereby forming a soft and thick silicone rubber sealing tape. The product is suitable for threaded connection parts of pipelines, valves and the like, and the effects of instant filling and long-term sealing can be achieved.

The temperature gradient balancing device comprises a heating box, a plurality of heating chambers and placing grooves are dug in the heating box at equal intervals, an adjusting mechanism is arranged on the left side of the rear surface of an inner cavity of the heating chamber, and conveying mechanisms are symmetrically arranged on the front surface of the adjusting mechanism; a conveying mechanism is connected to one side of the adjusting mechanism, a supplying and conveying mechanism is connected to one side of the conveying mechanism, the supplying and conveying mechanism is arranged at the top of the heating box, and a plurality of stretching rollers are arranged on the rear surface of an inner cavity of the heating box. The temperatures of different stages can be accurately controlled through segmented heating, so that the material is heated more uniformly, thinning, tearing or molecular chain breakage caused by too high temperature or too fast stretching of a local area is prevented, stress concentration is reduced, stress can be dispersed through gradual stretching, and the risk of edge cracking or uneven thickness is reduced.

The utility model relates to the technical field of raw material belt production, in particular to a packing device for coiled raw material belts, which comprises a base, a feeding part and a loading part are arranged at the top of the base, the feeding part comprises a U-shaped frame, a conveying belt is arranged in the U-shaped frame, a plurality of longitudinal division bars and a plurality of transverse division bars are arranged on the surface of the conveying belt, and the loading part comprises a tray. A packaging box is placed on the top of the tray, and a lifting boxing piece is arranged on the front side of the movable base. According to the packing device for the coiled raw material belts, the coiled raw material belts can be evenly distributed on the conveying belt under the limiting effect of the multiple longitudinal division bars and the multiple transverse division bars, the multiple coiled raw material belts can be stringed through the lifting packing piece, the interior of a packing box is divided into the multiple loading cavities distributed in a matrix mode through the multi-grid partition plates, and therefore the packing box can be used for packing the coiled raw material belts. A plurality of coiled raw material belts can be stacked in one loading cavity, and the coiled raw material belts are separately stacked by using a plurality of loading cavities, so that the coiled raw material belts are prevented from toppling over during boxing or transportation, and the boxing efficiency and the integrity of the raw material belts are favorably improved.

The utility model discloses a two-position two-way electromagnetic valve convenient to connect, which relates to the technical field of electromagnetic valves and comprises an electromagnetic valve component, connecting components are sleeved outside two ends of the electromagnetic valve component, the electromagnetic valve component comprises a valve body, and connecting pipes are arranged at two ends of the valve body. A sealing sleeve is fixedly installed at the end, away from the valve body, of the connecting pipe, a plurality of clamping strips are fixedly installed on the outer side of the sealing sleeve, the connecting assembly comprises a connecting sliding sleeve, the connecting sliding sleeve is arranged on the outer sides of the clamping strips in a sleeving mode, a clamping sleeve is arranged on the inner side of the connecting sliding sleeve, and a connecting elastic piece is arranged at the end, facing the valve body, of the connecting sliding sleeve. A connecting clamping block is arranged on one side of the connecting elastic piece, and locking clamping blocks are arranged on the two sides of the connecting pipe. According to the utility model, the device can be conveniently mounted and dismounted, additional tools are not needed, a thread seal tape does not need to be wound to improve the sealing performance, the mounting efficiency can be effectively improved, and the practical value is higher.

1. The name of the design product: raw material belt shaft core shell. 2. The use of the design product: raw material belt shell. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: PTFE tape plastic shaft. 2. Purpose of this design: Plastic shaft for winding raw material tape. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses a corrosion-resistant raw material tape, including a shell, a drum rotatably disposed within the shell, and a raw material tape body wound on the drum. The shell has a discharge pipe, and further includes a guide shaft, a support plate, two lifting blocks, and a mounting block. The guide shaft is disposed inside the discharge pipe and parallel to the drum. The support plate is disposed inside the discharge pipe and located on the side of the guide shaft near the discharge port of the discharge pipe, and the top end face of the support plate is at the same height as the top of the guide shaft. Both lifting blocks are located above the support plate. This utility model uses pressing the operating block to drive the shearing blade to cut the raw material tape body at the discharge port of the discharge pipe. During operation, no hands are required, making operation convenient and quick, and improving work efficiency.

This invention discloses a gas pipe fitting with a self-sealing connection structure, relating to the field of gas pipe fittings. Addressing the problem of poor installation and gas leakage in existing small-diameter gas pipes during threaded connections due to the lack of industry standards for the use of necessary auxiliary sealing materials such as PTFE tape and sealant, the invention proposes the following solution: It includes a first pipe, with a second pipe at one end. The first pipe has a first hole along its axial direction, and the second pipe has a second hole along its axial direction. Sealing grooves are formed around the inner walls of the first and second pipes at their adjacent ends, within the first and second holes. This invention features a novel structure and effectively solves the problem of poor installation and gas leakage in existing small-diameter gas pipes during threaded connections due to the lack of industry standards for the use of necessary auxiliary sealing materials such as PTFE tape and sealant.

The utility model relates to a working table for detecting an expanded raw material belt. The working table comprises a working table board, two guide rods which are respectively arranged at two ends of the working table board, a measuring scale which is arranged on the working table board and is positioned between the two guide rods, and a clamp which is arranged at one end of the working table board, and the starting point scale and the end point scale of the measuring scale are respectively aligned with the corresponding guide rods. According to the utility model, a series of problems caused by displacement of the bending part due to uneven force or careless touch when the teflon tape is laid in the prior art can be avoided.

This utility model discloses a novel quick-change mechanism for PTFE tape, including a main cylinder, an insert cylinder, staggered ribs, a rubber sleeve, a rubber cone cover, a comb plate, an inner ring rib, and a U-shaped side handle. The insert cylinder is embedded inside the main cylinder. By setting up a quick-change mechanism for replacing and cleaning PTFE tape, the main cylinder of the quick-change mechanism, with the rubber cone cover, is fitted over the metal tube containing the PTFE tape. Then, silicone oil-soaked and hardened PTFE tape can be sprayed on. After the main cylinder is removed, the insert cylinder is inserted and then screwed onto the outside of the metal tube, so that the comb plate inside the insert cylinder combs and cleans the PTFE tape in the thread groove of the metal tube. This facilitates quick cleaning of the PTFE tape at the metal tube and ensures that the PTFE tape at the metal tube can be quickly cleaned and replaced. The oil-soaked PTFE tape effectively ensures that the PTFE tape at the metal tube can be cleaned quickly and with low damage, preventing damage to the threads when cleaning and replacing the PTFE tape at the metal tube.

A type of PTFE tape for auxiliary pipe sealing connections includes, from the outside in, a PTFE layer with a thickness of 0.06-0.1 mm, the outer surface of which is pressed with continuous diamond-shaped anti-slip texture; an elastic memory layer made of shape memory polyurethane with a thickness of 0.08-0.12 mm; a glass fiber woven mesh layer with glass fiber monofilaments having a diameter of 5-10 μm and a thickness of 0.03-0.05 mm; and a sealing lubrication layer made of silicone grease with a thickness of 0.02-0.03 mm. A colored guide strip is provided on one edge of the PTFE tape, and the edge of the colored guide strip is further provided with serrated positioning teeth. This invention improves sealing durability, extends pipe sealing life due to its multi-layer composite structure, and increases installation efficiency. The guide strip and positioning teeth work together to shorten winding time and improve winding uniformity. It is suitable for various industrial and civil applications.

The utility model relates to the technical field of raw material belt production, in particular to a stretcher with a cutter, which comprises two support plates, a gap is reserved between the two support plates, a plurality of rotating shafts are mounted between the two support plates through bearings, stretching rollers are arranged on the rotating shafts, a transmission mechanism is arranged on the rotating shafts, and the cutter is arranged on the transmission mechanism. A fixing base is arranged on one sides of the two supporting plates, a plurality of cutter assemblies are arranged on the fixing base, and a moving mechanism is arranged between the fixing base and the two supporting plates. The device is fixed on the fixed seat through the cutter assembly, so that the distance between the cutter assembly and the thread seal tape is convenient to adjust, and whether the thread seal tape is slit or not can be adjusted.

1. Name of the design product: Packaging box. 2. Use of the design product: For packaging expanded PTFE tape. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photograph that best shows the design key points: Perspective view of Kit 1.

The utility model relates to the technical field of raw material belts, in particular to a raw material belt cutting box which comprises a lifting shell, an installation box is fixedly installed at the bottom of the lifting shell, at least three linkage blocks are arranged on the surface of the installation box in a sliding mode by forming a groove body, and first gears are fixedly installed at the ends of the linkage blocks respectively. At least two first gears are arranged, one side of each first gear is connected with a second gear in a meshed mode, connecting blocks are fixedly installed at the ends of the first gears and the ends of the second gears, and the teflon tape cutting box facilitates adjustment of the distance between cutters and is worthy of popularization.

The utility model relates to a raw material belt slitting deviation rectifying device which comprises a raw material belt supporting roller, a side supporting column, a raw material belt, an air cylinder, a fixed hanging barrel, a threaded rotating rod, a toothed upper sliding rod, a toothed upper sliding rod side plate, a side cover plate, a toothed lower sliding rod and a toothed lower sliding rod side plate, the side face of the raw material belt supporting roller is attached to a U-shaped supporting plate, and the side supporting column is connected with the raw material belt supporting roller. The side face of the U-shaped supporting plate is provided with a lengthened supporting pipe, the side supporting columns are matched with the lengthened supporting pipe, penetrate through the lengthened supporting pipe, rotate in the lengthened supporting pipe and are symmetrically arranged at the two ends of the raw material belt supporting roller, the raw material belt is arranged on the raw material belt supporting roller in a sleeving mode, and the side face of the fixed hanging barrel is provided with an internal thread protruding pipe. The threaded rotating rod is matched with the inner threaded protruding pipe, the threaded rotating rod penetrates through the inner threaded protruding pipe and rotates in the inner threaded protruding pipe, the side face of the threaded rotating rod is connected with the rotating fluted disc, and the rotating fluted disc is arranged in the fixed hanging barrel.

The utility model discloses a pipeline joint of a stove, relates to the technical field of pipeline joints, and solves the technical problems that an auxiliary tool or a winding thread seal tape is needed in the using process of an existing pipeline joint of the stove, and the technical requirement on operators for guaranteeing sealing connection is high. The pipeline joint is arranged to be of a structure comprising the Z-shaped connecting block and the clamping blocks, the clamping blocks are different in thickness, tough and capable of rotating along the thin position, the clamping blocks can be directly pulled to make contact with a pipeline, turning positions with different thicknesses make contact with the wrinkled position of the pipeline, and position fixing between the pipeline and the joint body is achieved; the clamping groove is formed in the surface of the stove, one side of the connecting block is pressed on the side, away from the pipeline, of the stove body through the clamping groove, the fixing column makes contact with the fixing groove after rotating, fixing between the connector body and the stove body is achieved, and then position fixing between the connector body and the pipeline and between the connector body and the stove body can be achieved through simple pulling and rotating. The operation is simple.

The utility model provides a sealing device suitable for an angle valve, and belongs to the technical field of angle valve sealing auxiliary devices. Comprising a lantern ring, an integrally-formed baffle ring is arranged at the top of the lantern ring, an integrally-formed L-shaped supporting ring is arranged at the bottom of the lantern ring, a first sealing ring is arranged on one side of the L-shaped supporting ring, and a second sealing ring is arranged on the other side of the L-shaped supporting ring. A second sealing ring is arranged on the other side of the L-shaped supporting ring. Through the sealing assembly, water flow can be prevented from seeping from gaps between the inner wall of the external water pipe and the outer wall of the water outlet end and the outer wall of the water inlet end, the first sealing ring and the second sealing ring can seal the side walls of ports of the water outlet end and the water inlet end, the baffle ring can seal the side wall of a pipe opening of the external water pipe, and the sealing waterproof effect is further improved; and compared with a traditional sealing and waterproof mode adopting thread seal tape winding, time and labor are saved, the fatigue strength of workers is reduced, and the sealing and waterproof effect is better.

The utility model relates to the technical field of raw material belt production, in particular to a raw material belt reel structure which comprises a base, a first fixing vertical plate is arranged at the top of the base, a servo motor is arranged on the left side of the first fixing vertical plate, an output shaft of the servo motor is coaxially connected with a rotating shaft, and an annular fixing block is arranged at the right end of the outer wall of the rotating shaft. A winding rod is inserted into the right end of the rotating shaft, the outer wall of the winding rod is sleeved with a plurality of winding drums and a plurality of spacer rings, and a pressing assembly is further arranged at the top of the base. According to the raw material belt reel structure, the rotating shaft is driven by the servo motor to rotate, the rotating shaft drives the winding rod to rotate, the winding rod can drive the multiple winding drums to rotate, so that the multiple raw material belts are wound, the winding rod can be detached, the winding rod and the multiple winding drums can be selected to be replaced together when the multiple wound winding drums are replaced, and the replacement efficiency is improved. And the winding rod sleeved with a plurality of empty winding drums is quickly in butt joint with the rotating shaft, so that the winding efficiency of the raw material belt is effectively improved.

The utility model discloses a teflon tape cutting device convenient to collect, which comprises a table board, and an adjustable cutting mechanism and a collecting mechanism are mounted on the table board; the adjustable cutting mechanism comprises a working box, a connecting block, a first hydraulic telescopic rod, a connecting frame and a cutting assembly, and the connecting block is fixed to the inner wall of the top of the working box. According to the raw material belt cutting device, the adjustable cutting mechanism, the working box, the connecting block, the first hydraulic telescopic rod, the connecting frame and the cutting assembly are arranged, so that a raw material belt can be cut through mechanical operation, consumption of manpower resources is reduced, and the cutting efficiency of the raw material belt can be improved; and through mutual cooperation of the electric sliding table for mounting the collecting mechanism and the fixing assembly, the moving plate, the second hydraulic telescopic rod, the pressing plate and the conveying assembly, the cut raw material belt can be conveyed in time, the possibility that a large number of raw material belts are stacked is reduced, and therefore unnecessary losses are reduced.

This utility model discloses a multifunctional PTFE tape reel core, the structure of which includes: an auxiliary groove and a shell structure. The improved shell structure allows the PTFE tape to be wound in a ring by a winding rod, and then, together with a side disc, embedded in the contact wall inside the edge shell to achieve a dustproof effect on the side and edge. The contact wall shell, combined with a restraining ring and a blocking block, restrains the side disc, allowing the side disc and winding rod to rotate stably, pulling the PTFE tape straight out from the output head. After the PTFE tape is used, it is hooked into a dedicated hook position through the hook groove at the front end, facilitating storage and preventing it from being mixed with other tools in the storage box and becoming difficult to find. Furthermore, the limiting frame set at the edge of the cutting groove at the front end of the output head improves the stable pulling effect of the PTFE tape. The small blade mounted on the inner wall of the limiting frame cuts the PTFE tape after use, replacing the irregular situation caused by direct pulling and tearing.

The utility model relates to the technical field of raw material belts, in particular to a raw material belt box which comprises a main body, a shell and a blade assembly. The main body is used for winding a teflon tape; the shell is provided with a discharge hole through which the raw material belt can pass; the blade assembly is arranged at the discharging opening. The blade assembly comprises at least two blades which are oppositely arranged or continuously arranged in the circumferential direction, and the raw material belt is at least matched with any blade in a cutting mode at the position of the discharging port. At least two blades are adopted, the thread seal tape can be wound at will, and the phenomenon that the thread seal tape cannot be effectively cut off is avoided no matter the thread seal tape is wound in the forward direction or the reverse direction. The time for finding the direction is shortened in the production and winding process, so that the production efficiency is improved; in the using process, the winding direction does not need to be noticed, and the using efficiency can be improved.

The utility model relates to the technical field of raw material belts, in particular to a water cooling pool for raw material belt production, and aims to solve the problems that materials need to be dragged manually for a long time, and the working efficiency is low, the water cooling pool comprises a water tank and a control mechanism, and a control panel is fixedly installed on the front face of the water tank. The raw material belt discharged from the banded extruder can be guided through the guide pipe, so that the raw material belt enters the water tank, a shifting rod can move left and right through mutual cooperation of a servo motor, a threaded rod, a control plate with holes and a vertical plate, and the shifting rod can move up and down through mutual cooperation of an electric push rod, an adjusting plate and the shifting rod, so that the raw material belt can be conveniently and quickly extruded. According to the teflon tape extruding device, the extruded teflon tape can be shifted rightwards, a cooling space is reserved for the subsequent teflon tape, the teflon tape is prevented from being wound, meanwhile, the cooled teflon tape can be guided through the first rotating roller, the second rotating roller and the connecting ring, the teflon tape can enter the calender, long-time manual operation is not needed, and the working efficiency is improved.

The utility model belongs to the technical field of raw material belt production, and particularly relates to automatic raw material belt stretching equipment which comprises a collecting box and a stretching box, the collecting box is located on the left side of the stretching box, and a first stretching mechanism, a second stretching mechanism, a third stretching mechanism and a fourth stretching mechanism are arranged in the stretching box respectively. According to the automatic raw material belt stretching equipment, the whole production process from discharging, preheating, stretching, quenching, shaping, cooling to rolling and cutting is highly automatic, manual operation is greatly reduced, and the production efficiency is improved; through a continuous automatic process, the pause and waiting time in production is reduced, and the speed and the yield of a production line are remarkably improved; automatic control and accurate stretching, quenching, shaping, cooling and cutting processes ensure the quality consistency of the raw material belt, and the defective rate is reduced; the design of the equipment allows rapid adjustment to adapt to production of raw material belts of different specifications and materials.