25results about How to "Reliable sealing structure" patented technology

The utility model relates to an anti-leakage pipeline connecting device, which belongs to the technical field of pipeline connection and comprises a bottom plate and two groups of connecting structures arranged at the top of the bottom plate, and sealing structures used for performing tight anti-leakage treatment on the joint of two pipelines are arranged outside the two groups of connecting structures. The sealing structure comprises a corrugated pipe arranged outside the two connecting structures, and an annular air bag is fixedly installed in the corrugated pipe. According to the anti-leakage pipeline connecting device, a pull block is manually pulled to drive a plug rod and a plug plate to move outwards in a piston barrel, at the moment, negative pressure is formed in the piston barrel, external air enters the piston barrel through an air inlet pipe, the plug plate and the plug rod move inwards to extrude air in the piston barrel, the air enters an annular air bag through a conveying pipe, and the annular air bag is expanded; the sealing ring is tightly attached to the outer wall of the pipeline connecting position, a reliable sealing structure is formed, medium leakage is effectively prevented, and the advantage of being good in sealing performance is achieved.

The utility model is suitable for resistance electric pile structure technical field provides a kind of high insulation resistance electric pile structure suitable for multiple liquid flow system, including two same battery module and symmetry combination together, each battery module is by positive pole liquid inlet pipeline, positive pole liquid outlet pipeline, negative pole liquid inlet pipeline, negative pole liquid outlet pipeline, metal end plate, insulating plate, copper plate, water nozzle multi-in-one assembly, one or more middle multi-in-one assembly, zoning multi-in-one assembly are formed, water nozzle assembly, middle assembly and zoning assembly are all by multiple single battery and are sealed combination together by laser welding or hot melt film process, form the entire electric pile by locking two battery modules, corrosion-resistant CPVC material is used to core flow channel and pipeline, and key sealing uses rubber ring, so that the electric pile structure can be widely used in vanadium, iron-chromium, iron, etc. Many active substances and the liquid flow battery system of acidity and alkalinity provides the universal electric pile platform for different technical road liquid flow battery.

A post-installed adaptive sealing threaded joint includes a female joint and a male joint. The female joint's root portion comprises, in sequence: an axial anti-torsion shoulder, a sealing arc, a front connecting bevel, a relief cylindrical surface, a rear connecting bevel, and an internal thread. These parts are directly connected or transitioned via arcs. The male joint, from its end portion, comprises, in sequence: an internal bore, an axial anti-torsion shoulder, a connecting conical surface, a sealing conical surface, a threaded bevel, and an external thread. These parts are also directly connected or transitioned via arcs. The axial anti-torsion shoulders of the female joint and the male joint are pressed together, with the angles between these two axial anti-torsion shoulders and the axial vertical section of the steel pipe being -10° to -20° respectively. The sealing arc of the female joint and the sealing conical surface of the male joint form an arc-to-cone adaptive sealing structure. This invention solves the problem of insufficient sealing structure in existing gas-tight special threaded joints, providing a more stable gas sealing capability.

The utility model belongs to the technical field of automobile model frame forming equipment, and particularly relates to an automobile model frame die-casting forming device which comprises a lower die-casting die shell and an upper die-casting die shell buckled with the lower die-casting die shell, and a casting hole is formed in the center of the upper end of the upper die-casting die shell. A dismounting structure is connected between the lower die-casting die shell and the upper die-casting die shell; the disassembly and assembly structure comprises lower fixing plates and upper fixing plates, the lower fixing plates are fixedly installed on the surfaces of the two ends of the lower die-casting die shell, the upper fixing plates are fixedly installed on the surfaces of the two ends of the upper die-casting die shell, and inserting vertical rods are fixedly welded to the surfaces of the upper ends of the lower fixing plates. And the limiting insertion rods and the limiting insertion holes are in matched insertion connection, so that rapid positioning and stable connection of the mold are achieved. In the disassembly and assembly process, an operator can easily separate or lock the mold only by pulling the sliding butt strap, and complex tools and tedious steps are not needed.

The utility model relates to the technical field of bridge structures, in particular to a bridge support, which comprises a support main body and two bridge main bodies respectively arranged at two ends of the support main body, and is characterized by comprising a plurality of viscous dampers annularly arranged on the support main body, and the end parts of the viscous dampers are connected with the bridge main bodies; the support main body and the viscous damper are sleeved with protective sleeves; the protective sleeves are arranged outside the support main body and the viscous damper, so that the service life of the bridge support is prolonged, and the long-term stability of the bridge support is ensured.

The invention relates to the technical field of medicine bottles, and discloses an oral medicine quantitative medicine outlet bottle which comprises a medicine outlet mechanism and further comprises a moving mechanism and a bottle body mechanism, the side face of the medicine outlet mechanism is connected with the inner side of the bottle body mechanism, and the inner side of the medicine outlet mechanism is in threaded connection with the side face of the moving mechanism. The side face of the moving mechanism is fixedly connected with the bottom end of the bottle body mechanism, the medicine discharging mechanism comprises a medicine partition plate, the side face of the medicine partition plate is fixedly connected with a sealing ring, the side face of the sealing ring is connected with the inner side of the bottle body mechanism, the inner side of the medicine partition plate is fixedly connected with a fixing frame, and the bottom end of the fixing frame is fixedly connected with a fixing piece. A groove is formed in the top end of the medicine partition plate, so that it is guaranteed that the dosage is accurate when medicine is taken every time, dosage deviation caused by improper manual operation is avoided, and therefore the medicine use safety is improved; the high-density polyethylene has good corrosion resistance to various chemical substances and is not easy to react with medicine components, so that the effectiveness and the safety of the medicine are ensured.

This utility model relates to a fluidized bed hydrogenation device for preparing bio-jet kerosene, belonging to the field of bio-jet kerosene preparation technology. It includes a base, with a heating furnace fixedly installed on the top of the base. The beneficial effect of this utility model is that when gas-liquid separator a is operating normally, but internal components of gas-liquid separator b need replacement, the two rotating rods can be rotated via a drive assembly. At this time, the butterfly valve plate near gas-liquid separator a is perpendicular to or open, while the butterfly valve plate near gas-liquid separator b is parallel or closed. This causes the incoming material to be input through the connecting pipe near gas-liquid separator a. This alternation method allows the entire bio-jet kerosene production unit to be shut down without needing to be shut down when maintaining gas-liquid separator a or gas-liquid separator b, thereby improving the production efficiency of jet kerosene.

The invention relates to the technical field of cooling of flexible tube plates of waste pots, in particular to a passive cooling sandwich structure of a flexible tube plate of a waste pot and a boiler system based on the passive cooling sandwich structure, and aims to solve the cooling problem of the flexible tube plate at the upper part of a vertical fire tube waste pot. The interlayer structure comprises a flexible pipe plate, a circulating water inlet assembly, a circulating water outlet assembly and a sealing partition plate. The flexible tube plate is connected with the top of a heat exchange tube bundle in a waste heat boiler to fix the heat exchange tube bundle, the flexible tube plate and the sealing partition plate are sequentially fixed in the waste heat boiler from top to bottom, an interlayer is formed between the flexible tube plate and the sealing partition plate, and the circulating water inlet assembly and the circulating water outlet assembly are connected with the waste heat boiler. And the circulating water inlet assembly and the circulating water outlet assembly are both communicated with the interlayer, the circulating water inlet assembly is arranged at the low point of the interlayer, the circulating water outlet assembly is arranged at the high point of the interlayer, and by means of the scheme, independent cooling of the flexible pipe plate is efficiently and stably achieved in an energy-saving mode.

This utility model discloses a children's entertainment and viewing device with adjustable bubble count, including a bottom shell, a transparent shell for storing water sealed on the top surface of the bottom shell, an adjustable air pump electrically connected to a control board installed inside the bottom shell, an air outlet component sealed at the center of the top surface of the bottom shell, the air outlet of the adjustable air pump connected to the air outlet component pipe, an opening at the top of the bottom shell, a transparent plate sealed at the opening of the bottom shell, and an LED light panel electrically connected to the control board installed below the transparent plate inside the bottom shell. The number of bubbles can be changed by adjusting the air pump, and the visual effect is enhanced in conjunction with the LED light panel, meeting the needs of children's entertainment and cognitive learning. The sealing structure is reliable and the installation is convenient.

The utility model relates to vacuum coating equipment technical field discloses a cavity cooling device for vacuum coating machine, include: machine cavity and with the door board of machine cavity rotary connection, the side of machine cavity is provided with cooling cavity mechanism, and the bottom surface of machine cavity still is provided with cooling medium circulation mechanism, cooling cavity mechanism includes fixed mounting in the inner layer casing of machine cavity surface. This cavity cooling device for vacuum coating machine, through setting up cooling cavity mechanism in machine cavity surface, utilize cooling cavity mechanism in cooling pipe and surround machine cavity, increased the flowing path of cooling medium in cooling cavity, make cooling medium and inner layer casing contact fully, can take away the heat of coating machine cavity fast, improve the cooling efficiency, and cooling cavity mechanism adopts double -deck shell structure, and the heat conduction performance of inner layer casing is good, and the strength of outer layer casing is high, and the sealing structure is reliable, and the cooling pipe is matched, can effectively prevent the leakage of cooling medium, improve the reliability of equipment.

The waterproof and dustproof grinder charging base comprises an upper cover plate and a lower cover plate, the upper cover plate is detachably connected with the lower cover plate, a plurality of base bodies are arranged on the upper cover plate, containing cavities capable of containing grinders are formed in the middles of the base bodies, two charging holes are symmetrically formed in one sides of the top walls of the base bodies, and the two charging holes are communicated with the base bodies. Two lower conductive silica gel heads are arranged in the lower cover plate, the bottom ends of the lower conductive silica gel heads are connected with lower conductive springs, the lower conductive springs are connected with the charging circuit board, the lower conductive silica gel heads correspond to the charging holes and extend into the corresponding charging holes, and upper conductive silica gel heads extending downwards are arranged at the bottom of the grinder. The top end of the upper conductive silica gel head is connected with the upper conductive spring, the upper conductive spring is connected with the battery, and the upper conductive silica gel head and the lower conductive silica gel head are correspondingly arranged and are in contact with each other for charging. The conductive silica gel structure is arranged at the charging interface, so that external dust, water vapor and the like are effectively prevented from invading the charging interface, the use is convenient, and the practicability is high.

The utility model discloses a kind of wire harness terminal welding mechanisms of anti-oxidation treatment, belong to wire harness terminal welding technical field, its technical scheme main points include welding station, the top of welding station is fixedly connected with backplate, the top of the front side of backplate is fixedly connected with machine plate, the top of machine plate is fixedly connected with electric push rod, the telescopic end of electric push rod is fixedly connected with connecting rod, the bottom of connecting rod is fixedly connected with welding device, by setting anti-oxidation component, sealing shell can make welding area form closed space, effectively isolate outside air, nitrogen cylinder is connected with circular cavity by branch pipe and electronic pressure reducing valve, nitrogen can be filled into sealing shell by the gas outlet hole evenly distributed at the bottom of circular cavity, form stable inert gas protection atmosphere, ensure that welding process is always in low-oxygen environment, effectively avoid terminal and wire harness metal material oxidation, improve the conductivity and mechanical strength of welded joint, improve the reliability and service life of product.

The utility model relates to the technical field of petroleum machinery, in particular to a novel sealing structure of a small flat cable head, which comprises a small flat cable and a casing, the casing is fixedly connected to one side of an electric submersible pump, the small flat cable is mounted inside the casing, and a sealing assembly is arranged inside the casing. The shell and a motor head of the electric submersible pump are mutually fixed through a screw A, and a socket A is fixedly connected in the motor head; the sealing assembly comprises a sealing gasket A, a cushion block A and a cushion block B, the cushion block A and the cushion block B are fixedly connected to the interior of the shell, the cushion block B is arranged on one side of the cushion block A, and the sealing gasket A is arranged on the other side of the cushion block A. The sealing assembly can provide mechanical support for the small flat cable lead, a reliable sealing structure can be formed in the circumferential direction and the axial direction, well liquid and harmful gas can be prevented from entering the electric submersible pump through the small flat cable head, and the sealing effect is good.

The invention discloses a high-vacuum multi-layer heat insulation double-wall vacuum pipeline sealing structure suitable for an LNG (Liquefied Natural Gas) ship. The structure comprises a prefabricated pipe section and an assembly pipe section, the prefabricated pipe section is provided with an interlayer, and the interlayer is provided with a sealing assembly and a first vacuumizing assembly; the assembling pipe section comprises a pre-tightening spring assembly, an interlayer conduction operation assembly and an outer pipe assembly, the pre-tightening spring assembly is arranged on the inner side of the outer pipe assembly and connected with the sealing assembly, and the interlayer conduction operation assembly penetrates through the outer pipe assembly and is connected with the pre-tightening spring assembly; the interlayer conduction operation assembly can drive the sealing assembly to move through the pre-tightening spring assembly. According to the structure, a mature land vacuum pipe production process, namely a high-vacuum multi-layer heat insulation production process, can be applied to the marine vacuum pipeline, so that the vacuum service life of the high-vacuum double-wall pipeline for the LNG ship is remarkably prolonged, a large amount of evacuation time is saved, and the vacuum heat insulation performance of the pipeline can be guaranteed.

The invention provides a motor stator and a motor. The motor stator comprises a stator main body (1); the two oil covers are respectively arranged at the two axial ends of the stator main body (1), and the two oil covers define an annular cavity at the two axial ends of the stator main body (1); the coil (4) comprises a terminal connecting part (41), the coil (4) is arranged on the stator main body (1), the end parts of the coil (4) are exposed from the two axial ends of the stator main body (1) and are positioned in the cavity, and the terminal connecting part (41) penetrates out of the oil cover; and the bus terminal (6) is connected to the terminal connecting part (41), the bus terminal (6) is located outside the oil cover, the bus terminal (6) is provided with a wiring end (61) used for being connected with a wire, and the wiring end (61) extends in the radial direction of the motor stator.

The utility model discloses a power plant energy -saving type cyclone, including cyclone main part, the left side intercommunication of cyclone main part has the inlet pipe, and the right side intercommunication has the overflow pipe, the bottom of cyclone main part is provided with the underflow port. The utility model discloses through the first pivot and the second pivot staggered distribution's rubbing rod in the processing box, under the driving of drive motor, can carry out rubbing to the larger particle in the material of entering the processing box, avoids the larger particle to cause the jam after entering cyclone main part, has guaranteed the normal operation of cyclone, has improved separation efficiency, has reduced the energy that stops and clears up because of jamming and consumes, has reached the purpose that saves energy, the setting of vibrating sieve plate can carry out the preliminary screening to material, and the larger particle will be intercepted on the sieve plate, and along the sieve plate from the discharge slot of inclination is discharged, and the larger particle is conveniently handled or recycled, and the processing effect of material is further improved.

The utility model discloses a kind of outdoor power bank, including power bank body and waterproof silica gel part, the outside of power bank body is equipped with operating area, key and interface are equipped on the operating area, the operating area is equipped with clamping groove;The waterproof silica gel part includes cover plate, the bottom of the cover plate is protruded with clamping strip and plug block, the cover plate is covered on the operating area, the clamping strip is clamped in the clamping groove, and the plug block is inserted into the interface.The waterproof silica gel part is fixed on operating area by clamping strip, when interface is needed to be used, only need to be simply lifted to remove cover plate;After use, cover plate can be quickly covered back, to realize quick waterproof seal.This convenient mounting and dismounting structure does not bring additional use burden to user, and user can operate power bank at any time in outdoor environment.

The utility model discloses a kind of sealing leak-proof devices of pipeline connecting place, it is related to pipeline connecting technical field.The utility model includes first pipeline and second pipeline, one end of first pipeline and second pipeline is fixedly connected with mounting disc, the surface of first pipeline and second pipeline and located the outside of mounting disc is provided with sealing assembly, the sealing assembly includes first sealing shell, the inner chamber of first sealing shell is movably connected with the surface of first pipeline.The utility model has good sealing protection performance, sealing sleeve is wrapped in the surface of first pipeline and second pipeline, first sealing shell and second sealing shell abut mounting disc, not only can make two mounting discs closely adhere, form reliable sealing structure, but also can play protective effect to sealing component between mounting disc, reduce the influence of external environment to sealing structure, delay its aging speed, to improve the sealing leak-proof effect and service life of pipeline connecting place.

The utility model provides a closed switch cabinet, which solves the problems that a wire bundle is easy to loosen or an electric device is mistakenly touched in the wiring process of the existing switch cabinet, and the closed switch cabinet comprises a cabinet body with a cubic structure, the front surface of the cabinet body is hollowed out, and a semi-open door lock plate is hinged on the front surface of the cabinet body; an electromagnetic lock of an electric switch is arranged at the position, corresponding to the opening and closing position of the cabinet body, of the door lock plate, an integrated lining cabinet is fixed in the cabinet body, PV wire grooves are correspondingly formed in a plurality of inner wall faces in the lining cabinet, and each PV wire groove is fixed to the inner wall of the lining cabinet in a hollow mode through a corresponding fixing piece. Each PV wire duct is of a hollow-square-shaped structure with the center hollowed out, a wire passing groove is formed in one side of the outer edge of each PV wire duct in a downwards-concave mode, the PV wire ducts are arranged in the front face of the cabinet body in the parallel positive placement direction, the vertical flat placement direction and the vertical standing placement direction, and the PV wire ducts in the inner wall face of each lining cabinet are arranged at equal intervals in a grouped mode.

The application relates to the battery technical field, in particular to a battery module, which comprises a shell, a battery module and a battery management module, the inside of the shell is formed with a partition plate to separate the inside of the shell into a first installation space and a second installation space along a first preset direction, the battery module is arranged in the first installation space, and the battery management module is arranged in the second installation space. It can be seen that the electrical area and the battery area in the whole machine are effectively isolated, the risk of fire during thermal runaway is reduced, the explosion-proof valve is arranged in the battery area, gas can be quickly discharged, safety is improved, the structural strength of the whole machine is higher, the battery module in the inside is fixed firmly, the end-stage expansion of the battery can be absorbed and inhibited, the service life is improved, the heat dissipation performance of the whole machine is excellent, the rapid heat dissipation of the battery management module and the battery group during work is guaranteed, the performance and the service life are improved, the structure of the whole machine is compact, the structural parts are fewer, the process is simple, and installation and maintenance are convenient.

This utility model relates to a multi-color refill makeup pen, which includes a pen shell and a refill mechanism. The pen shell includes a pen tip and a pen body. The pen tip has a refill hole inside, and the outer side of the pen body has an elongated groove and a sliding button along the axial direction of the pen body. The refill mechanism includes a refill rotating bracket and a refill rod assembly. The refill rod assembly includes a refill rod, a refill holder, a refill protective sleeve, and a spring. When the rotating bracket rotates to the point where the refill rod assembly is aligned with the refill hole of the pen tip, the corresponding refill protective sleeve extends into the refill hole under the action of the spring and forms a sliding seal with the refill hole through a second annular sealing ring. The remaining refill protective sleeves abut against the inner end of the pen tip under the action of the spring to form a planar seal. When the refill is not protruding from the refill hole, the end of the pen tip is fitted with a sealing cap to seal the corresponding refill inside the refill hole. This makeup pen effectively realizes the switching of multi-color refills, is quick and convenient to carry and use, and the refill has a reliable sealing structure, effectively preventing refill oxidation and improving the refill's lifespan.

The utility model discloses a kind of anti-misoperation packaging bottle, including packaging bottle body, the top of packaging bottle body rotatably installed with the packaging bottle body matching packaging bottle cap, the packaging bottle cap includes bottle cap shell, the inside of bottle cap shell is provided with bottle cap lining, the inner wall of bottle cap lining is provided with the clamping ring for fixing packaging bottle body and packaging bottle cap.The utility model is cooperated by the cooperation of the elastic clamping ring both sides elastic clamping plate in bottle cap shell and bottle body bottle mouth limiting protrusion, realize bottle body and bottle cap stable connection, can effectively prevent bottle cap loose and fall off in transport or use;When opening, press positioning block to open elastic clamping plate and make it separate from limiting protrusion, convenient and easy to do;The sealing ring and sealing groove of bottle cap lining can be closely attached bottle mouth when closing, guarantee good sealing, prevent bottle material and air contact deterioration.

The utility model relates to a kind of high-efficiency GPU chip liquid cooling heat sink, comprising: bottom plate;GPU mainboard being located on the bottom plate;Radiator cover plate being located on the GPU mainboard, the radiator cover plate and the GPU mainboard are enclosed to form a heat dissipation space;Radiator cold plate and shunt plate in the heat dissipation space, the radiator cold plate is located on the GPU mainboard, the shunt plate is located on the radiator cold plate;Wherein, the side of the radiator cold plate away from the GPU mainboard is equipped with microstructure rib column;The radiator cover plate is provided with a pair of working medium flow port being located just above the shunt plate, respectively as the working medium inlet and working medium outlet of heat dissipation device.The utility model provides a kind of high-efficiency GPU chip liquid cooling heat sink, the radiator cold plate of the device is equipped with microstructure rib column, by increasing the heat dissipation area and disturbing working medium flow field, improve convective heat transfer coefficient.

The utility model discloses a sealing type connector and a wire harness assembly using the same, and relates to the technical field of connectors, and the sealing type connector comprises a connector body and a sealing cap member; the sealing cover cap component is suitable for being fixedly connected with an external part, and when the sealing cover cap component is fixedly connected with the external part, the sealing cover cap component can cover the inserting end of the connector shell component and can apply force to the connector shell component in the axial direction. Therefore, the connector shell component can apply force towards the outer side of the plugging end along the axial direction. The utility model mainly solves the problem of how to provide a stable and reliable sealing structure for the connector. According to the utility model, a stable and reliable sealing structure can be provided for the connector, so that the sealing performance, the stability and the safety of the connector are improved, and the service life is prolonged.