74 results about "Plastic joining" patented technology

The invention relates to the technical field of air tightness detection, in particular to an air tightness detection method and system for a plastic pipe connecting piece, and the method comprises the steps: obtaining real-time pressure data and associated temperature data of the interior of a detected plastic connecting piece in an inflation and pressure maintaining process; inputting the real-time pressure data into a temperature and pressure coupling model for pressure value compensation correction to obtain a compensated pressure value only reflecting the leakage effect; performing time sequence change analysis on the compensated pressure value, and identifying and determining a starting time point when the pressure enters a stable state; extracting the dynamic attenuation characteristic of the compensated pressure value; and performing matching degree calculation on the dynamic attenuation characteristics and the reference model of the leakage-free basis behavior to generate an air tightness detection result of the plastic pipe connecting piece. According to the invention, the problem of interference of non-leakage factors such as environment temperature in air tightness detection is effectively solved, the inhibition capability of interference of non-leakage factors such as temperature is enhanced, and the accuracy and reliability of a detection result are improved.

The utility model discloses an accurate positioning pressure riveting blanking device for luggage pull rod production, which comprises a rotating rack, the middle part of a top plate of the rotating rack is movably connected with a main rotating shaft through a bearing, the top end of the main rotating shaft extends out of the top surface of the top plate of the rotating rack and is fixedly provided with a rotating plate, and a plurality of through holes are formed in the edge part of the rotating plate; placing pipes are inserted into the corresponding through holes in a sleeved mode, and the outer side walls of the placing pipes are welded and fixed to the inner side walls of the corresponding through holes; a plastic connecting block, a gasket, a connecting rod and other parts needing to be machined can be placed on the corresponding placing pipes of the rotating disc, the parts are rotationally conveyed to the position below a riveting head at the riveting press for automatic riveting, after automatic riveting is completed, automatic rotating and moving-out are conducted, meanwhile, new parts on the placing pipes are moved to the position below the riveting head for riveting, and the production efficiency is greatly improved. Continuous machining can be achieved, the machining efficiency is greatly improved, moved-out products can be automatically pushed to achieve automatic discharging, the manual labor amount is greatly reduced, the using effect is good, and efficiency is high.

The utility model relates to the technical field of building water supply and drainage pipelines, in particular to an anti-condensation structure of a building water supply and drainage pipeline. Comprising a pipeline body, the outer side of the pipeline body is coated with a protective coating, the outer side of the pipeline body is sleeved with a heat preservation layer, a plastic connecting piece is installed on the outer side of the heat preservation layer, a heat insulation layer adheres to the lower portion of the plastic connecting piece, and damp-proof layers are arranged on the outer side of the plastic connecting piece and the outer side of the heat preservation layer correspondingly; and fixing bolts are inserted into the two sides of the plastic connecting piece. The convex blocks arranged on the inner sides of the heat insulation layers increase friction force between the heat insulation layers and the heat preservation layers, meanwhile, the convex blocks in the middles of the plastic connecting pieces can fill the connecting positions of the heat preservation layers, and the sealing performance of the connecting positions of the heat preservation layers can be effectively guaranteed in the mode. And therefore, water vapor invasion caused by untight lap joint at the joint of the heat preservation layers is effectively avoided, and the influence on the pipeline and the sanitation problem are reduced.

The utility model discloses a PVC plastic connecting pipe, and particularly relates to the technical field of PVC plastic pipes, the PVC plastic connecting pipe comprises a first pipe body, the outer wall of the first pipe body is fixedly connected with a sealing adjusting structure, the sealing adjusting structure is arranged on the inner wall of a connecting ring, the outer wall of the connecting ring is connected with an adjusting ring through a bearing, and the outer wall of the adjusting ring is provided with a friction block. The inner wall of the adjusting ring is in threaded connection with a threaded sleeve, the other side of the threaded sleeve is fixedly connected with a connecting pipe body, and a sealing ring is installed on the inner wall of the fixing ring. According to the PVC plastic connecting pipe, positioning, sealing and fixing functions are integrated, a plurality of independent components needed in a traditional connecting mode are reduced, the pipeline connecting structure is simplified, meanwhile, the problem that in the traditional connecting mode, the possibility that fault points are increased due to the existence of the multiple components is solved, and the service life of the connecting pipe is prolonged. And through the integrated design, the matching problem among the components is further reduced, and the fault risk is reduced.

The utility model discloses an automobile seat cushion portion spring frame convenient to install, which belongs to the technical field of automobile cushions and comprises a first connecting frame, a left hook is arranged on the side edge of the first connecting frame, a first metal steel bar is arranged at the other end of the left hook, and a plastic connecting piece is arranged at the lower end of the first metal steel bar. The metal steel bar I and the plastic connecting piece are fixedly connected through a metal steel bar I fixing mechanism, the metal steel bar I and the plastic connecting piece can be connected and fixed more firmly through the arrangement of the metal steel bar I fixing mechanism, and after fixing, the metal steel bar I and the plastic connecting piece can be fixed more firmly. And if the first metal reinforcing steel bar is seriously deformed, the first metal reinforcing steel bar can be conveniently disassembled, through the arrangement of the second metal reinforcing steel bar fixing mechanism, the second metal reinforcing steel bar and the connecting plate can be more firmly connected and fixed through the arrangement of the structure, and subsequent disassembly of the second metal reinforcing steel bar and the connecting plate is also facilitated through the arrangement of the structure.

The utility model discloses a heat preservation and insulation window frame structure, and aims to provide a window frame structure which has the advantages of heat preservation and heat dissipation, simple structure, low cost and easiness in installation. The structure comprises a heat preservation type indoor frame assembly, a heat dissipation type outdoor frame assembly and an inner and outer frame reinforced heat insulation connecting assembly. The indoor frame assembly comprises an indoor window frame and a window frame track, and the outdoor frame assembly comprises an outdoor window frame, a window frame track and outdoor frame cooling fins. The inner and outer frame reinforcing heat insulation connecting assembly is composed of an engineering plastic connecting piece, an engineering plastic connecting piece T-shaped part, a connecting piece reinforcing frame and an engineering plastic reinforcing T-shaped part. According to the structure, through the hollow design of the indoor window frame and the outdoor window frame and the use of the engineering plastic connecting pieces, heat conduction is effectively reduced, and meanwhile the heat dissipation performance is enhanced through the design of the outdoor frame cooling fins. In addition, the structure has the advantages of high strength, good durability, light weight, thermal insulation and the like.

The utility model relates to the technical field of plastic connecting pieces, and discloses a table leg plastic connecting piece which comprises an installation base, an installation block is fixedly installed on the outer side of the installation base, a sliding groove is formed in the inner side of the installation base, a sliding block is installed on the inner side of the installation base in a sliding mode, and a hinge is fixedly installed at the lower end of the sliding block. The lower end of the sliding block is rotatably provided with a rotating block, the inner side of the rotating block is provided with a groove, the inner side of the groove is fixedly provided with a fixing nail through threads, the number of the mounting blocks is four, and the four mounting blocks are mounted on the left side and the right side of the mounting base in a bilateral symmetry mode. According to the plastic connecting piece for the table legs, the table top and the table legs are rapidly separated through the sliding blocks and the sliding grooves, use in the next time is facilitated, the table legs can be folded inwards by rotating the table legs, the sliding blocks and the rotating blocks at the upper ends of the table legs are matched with each other and rotate around the hinges, storage of the table is facilitated, and practicability is greatly improved.

The utility model discloses a kind of plastic connecting pieces for pipe, it is related to plastic connecting piece field, the utility model includes plastic connecting pipe, both ends of plastic connecting pipe are fixed with internal thread head, and the outer wall of plastic connecting pipe and internal thread head is equipped with anti-skid boss ring.The utility model is provided with upper sheath and lower sheath, so as to shield and protect plastic connecting pipe and internal thread head, while when plastic connecting pipe is impacted by outside, upper sheath and lower sheath will be impacted first and be deformed, so as to play the role of buffer, avoid plastic connecting pipe to be directly impacted and appear damage, and when upper sheath and lower sheath need to be disassembled and replaced, staff can first take down clamp, then upper sheath and lower sheath can be taken out, so that upper sheath and lower sheath can be replaced, by the way, sheath can also be taken out without separating plastic connecting pipe and external pipe, thereby reduce the disassembly frequency of plastic connecting pipe and pipe.

This utility model relates to the field of shower chair technology and discloses a shower chair including a seat, a backrest, armrests, and support legs detachable from the seat. By creating a pin hole on the upper part of the support leg and a through hole in the insertion tube communicating with the pin hole, and by using a plastic connector that can be simultaneously inserted into both the through hole and the pin hole, the upper end of the support leg is connected and fixed after the insertion tube is inserted. Furthermore, the alignment process of the pin hole and the through hole, as well as the installation process of the plastic connector, are all visualized, effectively solving the alignment difficulties caused by obstructed vision due to the installation block in existing technologies, making the installation of the support leg and the insertion tube more convenient and efficient. When the pin is simultaneously inserted into both the pin hole of the support leg and the through hole of the insertion tube, the first arc-shaped plate fits tightly against the outer wall of the insertion tube, and the second arc-shaped plate is engaged with the outer side of the support leg through an inverted snap structure. This ensures both the stability of the connection between the support leg and the insertion tube and allows the plastic connector to serve an aesthetic and decorative function for the shower chair.

The utility model provides a replaceable disposable collecting bag for a negative pressure drainage ball, which relates to the field of medical instruments, and comprises a negative pressure drainage ball body, a connecting assembly is arranged at the bottom of the negative pressure drainage ball body, the connecting assembly comprises a connecting hose, a connector and a stop block, an anti-backflow clamp is arranged on the outer wall of the connecting assembly, and the connecting hose is connected with the anti-backflow clamp. A collecting mechanism is arranged at the bottom of the connecting assembly and comprises a disposable collecting bag body, a plastic connecting strip, a plastic slipknot, a connecting pipe, a reverse pulling type hole plug and a convex ring. According to the disposable collecting bag, when a medical worker needs to replace the disposable collecting bag body, the backflow preventing clamp is firstly closed, then the reverse pulling type hole plug and the convex ring are pulled out, then the plastic movable buckle is opened, and then the disposable collecting bag body is detached, so that replacement of the disposable collecting bag body is facilitated, and due to the arrangement of the plastic connecting strip and the plastic movable buckle, the disposable collecting bag body is convenient to replace. The number of supporting points of the disposable collecting bag body is increased, and the possibility that the disposable collecting bag body falls off is reduced.

The utility model discloses an auxiliary wiring tool for lifting metering operation and replacing a meter safely and quickly, which relates to the technical field of wiring tools and comprises a plastic limiting mechanism, a frame part, a clamping part arranged on the frame part, a plastic connecting mechanism, a deformation part arranged on the frame part and a plastic fixing mechanism, comprising a clamping plate part arranged on a deformation part and a protection part arranged on the clamping plate part, exposed wire ends can be effectively blocked by utilizing a protection side plate, the wire ends are prevented from being exposed outside, the electric shock condition is reduced, through proper protection of the protection side plate, the electric shock risk condition is greatly reduced, meanwhile, the sequence of all connecting wires can be fixed, and the wiring quality is improved. When a new electric energy meter is connected, the new electric energy meter is sequentially connected according to the wire dismounting sequence, and metering abnormity and other safety accidents caused by disordered wire sequence are avoided.

The embodiment of the utility model provides a lock, a bicycle basket and a riding tool. The lock comprises a lock body assembly and a control assembly. The lock body assembly comprises a metal shell, a motor, a transmission assembly and a spring bolt. The motor is coupled to the metal housing. The bolt is rotatably coupled to the housing and is switchable between an extended position and a retracted position relative to the housing. The transmission assembly is coupled between the lock tongue and the motor. And under the condition that the spring bolt is located at the extending position, the spring bolt can limit the to-be-locked object to the target position. The control assembly comprises a non-metal shell, a circuit board and a detection part. The circuit board and the detection part are arranged in the non-metal shell, and the circuit board is electrically connected with the motor and the detection part. The detection component is configured to detect whether an object to be locked is located at a target position or not. By means of the arrangement, the control assembly and the lock body assembly of the lock are arranged in a separated mode, unnecessary plastic connecting structures and plastic frame structures between the control assembly and the lock body assembly are reduced, and therefore use of plastic is reduced.

The application relates to a commercial vehicle mixed material instrument beam and a manufacturing method thereof, wherein an aluminum alloy pipe beam cross section is polygonal; a steering column support and a main driver side front wall and a steering column integrated support support are formed by magnesium-aluminum alloy pressure casting, and are connected with the aluminum alloy pipe beam through FDS screws; a plastic support assembly is segmented injection molded, each segment comprises a support body and a plastic connecting ring connected with each other; an inner wall of the plastic connecting ring is provided with a cladding connecting surface for the outer surface of the aluminum alloy pipe beam; and the plastic connecting ring and the aluminum alloy pipe beam are pull-riveted. The above structure realizes that the stamping and welding process can be replaced by the FDS and pull-riveting processes, the production cost and steps are reduced; the plastic connecting ring increases the connecting area, directly contacts the aluminum alloy pipe beam through an opening during connection, and is riveted; the connecting strength is strengthened while installation and positioning are facilitated; the injection molding is performed in a segmented mode, the mold scale is reduced, and the injection molding process and cost are simplified.

The utility model discloses a British standard socket, which comprises a socket shell, a plurality of plastic connecting pieces and three bent metal groups, the bent metal groups are respectively a ground wire metal group, a live wire metal group and a null wire metal group, and the ground wire metal group, the live wire metal group and the null wire metal group are respectively arranged on the plastic connecting pieces. The plurality of plastic connecting pieces and the bent metal group are spliced and assembled to form a socket core of which four surfaces are provided with AC power sockets, and the ground wire metal group, the live wire metal group and the null wire metal group finish electronic gap isolation through the plastic connecting pieces. According to the utility model, the structure is simple, the bending metal group corresponds to each end face of the socket in a bending manner, the number of wires is reduced, the internal space can be better utilized, and the production and manufacturing can be rapidly carried out in the bending manner, so that the cost is reduced.

The utility model relates to the technical field of automobile parts, and discloses an automobile suspension lining structure which comprises a plastic outer pipe, a rubber sleeve is fixedly bonded to the inner side of the plastic outer pipe, supporting rods are fixedly connected to the inner walls of the two opposite sides of the bottom of the plastic outer pipe, and a plastic wrapping pipe is fixedly connected between the two supporting rods. The outer wall of the middle of the plastic wrapping pipe is fixedly sleeved with a plastic wrapping pipe, a vulcanized inner pipe is fixed to the inner side of the plastic wrapping pipe, the outer wall of the middle of the plastic wrapping pipe is fixedly sleeved with a hopper-shaped plastic connecting pipe, the outer wall of the top of the plastic wrapping pipe is sleeved with a plastic inner sleeve, and the outer wall of the plastic inner sleeve is fixedly sleeved with a plastic outer sleeve. The lower end face of the plastic outer sleeve is fixed to the upper end face of the hopper-shaped plastic connecting pipe, and plastic parts such as the plastic wrapping pipe, the plastic inner sleeve and the plastic outer sleeve provide stable support and specific rigidity for the whole structure and are matched with the rubber sleeve, so that the lining can generate enough damping to attenuate vibration under low-frequency vibration, and the vibration resistance of the lining is improved. Therefore, the low-frequency damping performance of the suspension is improved.

The utility model provides a kind of plastic connecting piece with suspension function, it is related to furniture connecting piece field, comprising: connecting piece;It is set on the connecting piece, and it is used to connect the installation structure of first outer connecting piece and second outer connecting piece;At least one and the suspension part of the integrated molding of connecting piece, the suspension part is formed suspension space from connecting piece and extends outwardly.This application is integrated by integrated molding plastic connecting piece connection and suspension function, single installation can be realized simultaneously, solves the traditional double component function split, installation is complicated and position interference problem;Plastic material reduces cost and weight, and single component reduces supply chain cost;Save installation space, improve compact scene applicability;There is no sharp edge, improve security and aesthetic degree.

The present application relates to the technical fields of mobile communication antenna, and provides a phase shifter assembly and a base station antenna, the phase shifter assembly can include: a metal shell, a power division circuit board, a metal wire, a plastic connecting block, a phase shifting medium block and a first guide protrusion and a first guide groove matched with each other, the metal shell includes a first packaging wall, a second packaging wall, a connecting wall, a top wall, a first opening and a second opening, and the power division circuit board is covered in the second opening; the metal wire is fixed with the metal shell through the plastic connecting block; the phase shifting medium block can pass through the first opening and reciprocally slide in the direction of the first opening towards the connecting wall; one of the first guide protrusion and the first guide groove is arranged on the first packaging wall and extends in the direction of the first opening towards the connecting wall, and the other is arranged on the surface of the phase shifting medium block opposite to the first packaging wall. According to the phase shifter assembly provided in the embodiment, the performance stability can be improved.

The utility model relates to a pollen-proof sleeping tent made of a composite material. The sleeping tent comprises a sleeping tent body and a frame used for supporting the sleeping tent. The sleeping tent body is composed of a tent top, a tent body, a rectangular-ambulatory-plane tent bottom, a zipper, tent body covering surrounding cloth and pipe penetrating surrounding cloth. The tent top, the tent body, the rectangular-ambulatory-plane tent bottom and the zipper are spliced to form a hollow cuboid, the tent body covering surrounding cloth is connected with the tent top along the joint of the tent top and the tent body, and the pipe penetrating surrounding cloth is sewn on the long edge, the wide edge and the high edge of the cuboid formed by the sleeping tent body. The supporting rods are hollow metal pipes, penetrate through the penetrating pipe surrounding cloth of the sleeping tent body and then are connected with one another through plastic connecting pieces, and therefore a frame for supporting the sleeping tent is formed. The sleeping tent is characterized in that the composite cloth forming the tent top, the tent body and the tent bottom shaped like the Chinese character'hui 'has a good blocking effect on pollen particles with the diameter of 1 micrometer or above, and meanwhile good air permeability can be kept; two length surfaces and one width surface of the tent body can be opened and closed through a double-sided zipper, so that access is convenient.

The invention relates to a heat exchanger device for electronic components, in particular power electronics devices, comprising a metallic heat exchanger with at least one joining surface for attaching at least one plastic element by means of a direct metal-plastic connection, wherein a section of the metallic heat exchanger associated with the at least one joining surface, preferably the entire heat exchanger, is manufactured by sintering, preferably comprising press sintering and / or metal powder injection molding.

The utility model discloses a motor rotor structure for a dish-washing machine pump, and discloses a motor rotor structure for a dish-washing machine pump and a dish-washing machine pump with the same, the motor rotor structure for the dish-washing machine pump comprises a motor shaft, a plastic connecting piece, a rotor assembly and a connecting assembly. And the plastic connecting piece is arranged on the motor shaft. And the plastic connecting piece and the motor shaft rotate synchronously. And the rotor assembly is sleeved on the plastic connecting piece. The rotor assembly drives the plastic connecting piece to rotate so as to drive the motor shaft to rotate. The connecting assembly is connected with the rotor assembly and the plastic connecting piece. According to the connecting assembly, the torque of the rotor assembly is transmitted in the mode that the grooves are formed in the plastic connecting pieces and the protrusions are arranged on the rotor assembly, the thickness of the plastic connecting pieces in the torque transmission direction is increased, the situation that the protrusions arranged on the plastic connecting pieces generate creep deformation is avoided, stable connection of the rotor assembly and the plastic connecting pieces can be guaranteed, and the service life of the rotor assembly is prolonged. And creep deformation of the plastic connecting piece is avoided.

The utility model discloses a buckle type connecting device which comprises a plastic connecting column, an upper wire, a lower wire, a first limiting ring and a second limiting ring. According to the sealing device, the limiting part is limited through the first limiting plate and the second limiting plate, then the first ring groove plate, the second ring groove plate, the limiting part and the sealing part are matched to form the O-shaped ring groove, and the first limiting plate and the second limiting plate are matched through the buckle; therefore, the plastic connecting column can be quickly spliced to realize the limiting of the plastic connecting column and the forming of the O-shaped ring groove, so that the O-shaped ring can be limited in the O-shaped ring groove in the mounting process, and the sealing performance is greatly guaranteed. And the lower lead is innovatively bent and protected, so that the lead can be effectively prevented from being broken in the installation process. And the waste of manpower and material resources caused by wire breakage can be effectively reduced.

The application relates to the technical field of air column bags, in particular to a high-strength air column bag and a processing technology thereof, which comprises multiple air column bag units, the air column bag unit comprises multiple air column bag grids, two adjacent air column bag grids are connected through a plastic connecting belt, the air column bag grids at two ends are both connected with connecting clamping strips through the plastic connecting belt, a splicing plate is arranged between two adjacent air column bag units and is used for connecting two groups of connecting clamping strips at the ends of the two groups of air column bag units; the high-strength air column bag and the processing technology thereof are characterized in that multiple air column bag grids are fixed together through plastic connecting belts to form air column bag units, multiple air column bag units are placed side by side according to requirements, elastic bands are sleeved on the two sides of the two groups of connecting clamping strips, two adjacent air column bag units are connected, and the air column bag with the required size is completed through free splicing; the application further solves the problem that the size of the existing air column bag is inconvenient to splice, and the air column bag with the required size can be spliced and used.

The utility model relates to the technical field of poster racks, in particular to a waterproof water injection poster rack which comprises a mounting rack, two aluminum blades distributed in a mirror image mode are connected to the outer wall of the mounting rack in a sliding mode, and a middle right-angle iron chain connecting piece is fixedly connected to the inner wall of the mounting rack. Left and right right-angle iron chain connecting pieces are fixedly connected to the two sides of the outer wall of the middle right-angle iron chain connecting piece, left and right plastic connecting pieces attached to the outer wall of the mounting frame are fixedly connected to the outer walls of the left and right right-angle iron chain connecting pieces, and two middle connecting aluminum profiles distributed in a mirror image mode are slidably connected to the inner wall of the middle right-angle iron chain connecting piece. The left and right plastic connecting pieces are additionally arranged to be tightly attached to the left and right right-angle iron chain connecting pieces, so that the device is waterproof, it is avoided that rainwater permeates the inner wall of the component, impurities are mixed, and the balance weight effect is affected, the waterproof effect is further improved through the arrangement of the sealing ring, the poster is prevented from being soaked by the rainwater, and the stability of the support is improved.

The upper thread clamping device for the embroidery machine comprises thread clamping seats and brush strips which are arranged along the length direction of the thread clamping seats and are provided with bottom plates, the two thread clamping seats are oppositely arranged, two ends of each thread clamping seat are provided with connecting pieces and mounting fixing feet, the brush strips with the bottom plates are fixed on the opposite inner sides of the two thread clamping seats, and the connecting pieces and the mounting fixing feet are arranged on the inner sides of the two thread clamping seats. The two ends of the two wire clamping seats are fixedly connected in an interference fit mode through connecting pieces, and the two ends of the wire clamping seat on the inner side of the two wire clamping seats fix the installation fixing feet on the outer side faces of the wire clamping seats through screws; the utility model has the beneficial effects of practicability and novel structure, the brush strip with the base is adopted, the T-shaped open slot is arranged on the thread clamping seat, the brush strip is convenient to install and replace, the inclined chamfers are additionally arranged on the two sides of the thread clamping seat, so that the thread hooking knife can enter and exit more smoothly, and the plastic connecting pieces are prefabricated at the two ends, so that the assembly process is simplified, the assembly efficiency is improved, and the production cost is reduced. The assembly cost is reduced.

The utility model discloses a two -core plastic connector of built -in terminal secondary lock. Adopted technical scheme: socket casing, first glue core and power terminal of being located in first glue core integrally formed in socket casing, power terminal includes pin, integrally formed in the wire -pressing foot of pin rear end and the fixed sleeve of being covered in the pin and wire -pressing foot between, first glue core is equipped with the first insertion cavity of being adapted with fixed sleeve, and the fixed sleeve front end is equipped with a group of elastic support piece of turning inwards, and both sides are equipped with the first stop buckle of being eight type.

The utility model discloses a destructive tearing type aluminum-plastic combined anti-theft bottle cap, and relates to the technical field of bottle caps. The cover comprises a first cover body and a second cover body, wherein a plurality of slots are arranged on the circumference of the upper surface of the first cover body. The first cover body and the second cover body are arranged, the second cover body is rotated, the connecting column drives the connecting piece to rotate, then the plastic connecting rod is twisted off, the connecting piece is separated from the limiting piece, the second cover body drives the arc-shaped tearing piece to be stressed while the second cover body is rotated, and the surface of the first cover body is torn off along the arc-shaped scratch. When the second cover body is pulled, the arc-shaped tearing piece drives the linear tearing piece to be stressed, so that the side surface of the first cover body is torn along the linear scratch, the first cover body is destructively torn, the operation of a user is facilitated, the required force is small, the structure is simple, and the use is convenient. And a simple opening process and a good anti-counterfeiting effect are taken into account.

The invention discloses a high-stability vehicle high-pressure sensor packaging structure and packaging method, and relates to the technical field of pressure sensors, the high-stability vehicle high-pressure sensor packaging structure comprises a plastic connector, a PIN, a metal hexagonal shell, a circuit board, an elastic sheet, a metal gasket, a sealing ring and a pressure sensing element; the metal hexagonal shell, the sealing ring and the pressure sensing element are fixedly connected to form a pressure-bearing and sealed main body structure, the circuit board is arranged in the metal hexagonal shell and is electrically connected with the pressure sensing element, and the elastic sheet forms an elastic electric connection path between the circuit board and the PIN; the metal gasket is fixed below the circuit board and is in welded connection with the metal hexagonal shell; the metal hexagonal shell is connected with the plastic connector in a riveting manner, so that the PINs are led out from the plastic connector; according to the high-pressure sensor packaging structure, pressure-bearing sealing and electric connection are effectively separated through cooperation of multiple connection modes, the connection stability under high pressure and complex working conditions is improved, meanwhile, the integration degree and appearance adaptability of the packaging structure are improved, and the high-pressure sensor packaging structure is suitable for miniaturization and high-reliability application of a vehicle high-pressure sensor.

The invention provides a foam pasting device, and relates to the technical field of plastic connecting equipment. The technical problem that in the prior art, strip-shaped foam is cut into sheet-shaped foam, and a large number of leftover bits and pieces can be generated is solved. The invention discloses a foam pasting device. Comprising an objective table provided with a material groove, a material storage channel arranged above the objective table, a material pushing mechanism arranged on the left side of the objective table, a cutting mechanism arranged on the right side of the objective table, a taking and placing mechanism arranged on the right side of the cutting mechanism, a gluing mechanism arranged on the lower right side of the objective table and a conveying mechanism arranged on the right side of the gluing mechanism. The taking and placing mechanism is matched with a walking mechanism which drives the taking and placing mechanism to walk among the cutting mechanism, the gluing mechanism and the conveying mechanism. According to the device, the columnar foam can be cut into sheets and pasted on a product; therefore, the columnar foam in the corresponding shape can be selected to be cut and pasted based on the shape of the actually required sheet foam, so that the foam is fully utilized, and waste and waste accumulation are avoided.

The invention relates to the technical field of heat preservation boards, in particular to a cast-in-place built-in integrated composite heat preservation wallboard and an operation method thereof.A support serves as a basic frame, a lower bottom plate is arranged on the inner side of the support to serve as a bearing face, and a structure main body forms a double-layer pouring channel through spaced arrangement of a first baffle, a wallboard body, a vertical plate and a second baffle; reinforcing meshes are arranged on the side faces of all the plate bodies, a heat preservation plate, a protection plate and an anti-crack plate are sequentially stacked on the inner side of the wall plate to form a core function layer, a stable cavity is formed between a vertical plate and a second baffle through a connecting rod, a water discharging groove and a top cover plate of a water discharging pipe are integrated to form a waterproof structure, and a plastic threaded rod penetrating through all the layers is matched with a front plastic anchoring bolt to penetrate into the wall. And a three-dimensional fixing system during cast-in-place concrete is formed. The cast-in-place concrete, the plastic connecting pieces penetrating through all the layers and the meshes form three-dimensional mechanical build-in, so that the heat preservation structure is permanently combined with a building structure, and the hidden danger of hollowing and falling of a traditional heat preservation layer is thoroughly eradicated.

This invention discloses a plastic spring, belonging to the field of spring technology. Elastic component one includes a plastic fixing ring, a plastic connecting ring, and several upper plastic elastic components. Several U-shaped, equidistantly arranged, elastic upper plastic elastic components are disposed on the bottom surface of the plastic fixing ring, and are vertically oriented. Elastic component two includes a plastic support ring, a plastic connecting ring, and several lower plastic elastic components. The number of lower plastic elastic components is equal to that of the upper plastic elastic components, and the upper and lower plastic elastic components are arranged alternately. Plastic connecting rings are disposed adjacent to the upper and lower plastic elastic components. When this invention uses a plastic spring, it provides a gentler elastic thrust, a softer feel, and a better user experience when applied to a cosmetic pump.