314results about How to "Improves sealing reliability" patented technology

The invention discloses a rectangular waveguide sealing window structure for realizing broadband transmission, which belongs to a microwave signal detection device and comprises a first rectangular waveguide cavity, a second rectangular waveguide cavity and a rectangular dielectric block arranged between the first rectangular waveguide cavity and the second rectangular waveguide cavity, the first rectangular waveguide cavity comprises a first rectangular waveguide shell and two first stepped transition structures embedded into an inner cavity of the first rectangular waveguide cavity, and the second rectangular waveguide cavity comprises a second rectangular waveguide shell and two second stepped transition structures embedded into the second rectangular waveguide shell. The opposite side faces of the two first stepped transition structures and the two second stepped transition structures are provided with identical tooth-shaped steps, the second rectangular waveguide shell is further internally provided with an installation cavity communicated with the second I-shaped sliding groove, the two waveguide cavities are connected through screws, and the rectangular dielectric block is fixedly installed in the installation cavity. The vertically symmetrical multi-stage stepped impedance matching network provided by the invention realizes excellent transmission performance with low voltage standing-wave ratio in a wide frequency band, and is suitable for a millimeter wave system with high power and wide frequency band.

The application relates to the technical field of wastewater treatment equipment, in particular to a zero-emission multistage wastewater treatment device for industrial high-salinity wastewater, which comprises a base, a fixing frame fixedly installed on the base and a supporting limiting frame fixedly installed on the fixing frame, the supporting limiting frame is slidably connected with a heat exchange box, the front end face of the fixing frame is provided with limiting assemblies corresponding to the heat exchange box on both sides, a sedimentation tank and a core treatment tank are installed on the fixing frame from top to bottom and located at the bottom of the heat exchange box, the heat exchange box, the sedimentation tank and the core treatment tank are sequentially communicated through connecting channels, a feeding pipe is arranged on the side wall of the sedimentation tank, the sealing assembly is driven to rotate by a motor-driven screw rod, the extrusion frame is driven to slide along the guide column, the pressure of the extrusion frame on the third sealing frame can be automatically adjusted, the extrusion plate can be tightly combined with the third sealing frame, the pressure is uniformly distributed, the traditional manual sealing adjustment mode is replaced, and the sealing reliability is further improved.

This utility model discloses a planar magnetron sputtering device belonging to the technical field of vacuum coating equipment. The device includes a motor, a main body, a target material, a cooling backplate, and a base. The core of this application lies in the fact that the cooling backplate is composed of a cooling substrate and a cover plate. The cooling substrate has a specially shaped receiving groove, which includes a first groove segment and a second groove segment connected to each other along its depth direction. The cover plate is embedded in the first groove segment to seal the lower second groove segment, thereby forming a completely closed cooling channel. This utility model, through this permanent sealing structure of embedding the cover plate in the receiving groove, replaces the traditional removable mechanical seal that relies on sealing gaskets, fundamentally solving the technical problem of leakage easily occurring in large-size cooling backplates under high water pressure.

The utility model relates to gas pipe correction technical field especially, it relates to a kind of PE gas pipe correction clamp, solve the problem that the pipe wall is prone to local indentation, flattening or stress concentration, and new plastic deformation is easily caused in the clamping area of pipe body when only applying correction force from outside in prior art due to the certain flexibility and elasticity of PE material.A kind of PE gas pipe correction clamp, including frame, both sides of frame are fixedly connected with side plate, and the opposite side of two side plates is equipped with arc clamping plate, and the bottom of two arc clamping plates is slidably connected between the bottom of frame, both sides of frame are equipped with support rod, and the one end of two support rods is respectively through both sides of frame.The utility model effectively solves the problem that pipe wall is prone to flattening, indentation or uneven stress due to lack of inside support in existing correction clamp, realizes the simultaneous support and uniform stress of inside and outside of PE gas pipe.

This utility model discloses a fixing structure for a connector and wiper arm in a windshield washer blade, including a wiper arm and a connector. The connector has at least one flow channel inside and is provided with at least one water inlet socket and at least one water outlet socket. The water inlet socket and the water outlet socket communicate with both ends of the flow channel. The water outlet socket is inserted into at least one water inlet of the flow channel element, and the water inlet socket is connected to a water supply pipe in the windshield washer blade. The key feature is that a spring piece is provided on at least one side of the connector, and a first opening is provided on at least one side of the wiper arm corresponding to the position of the connector. During installation, the spring piece elastically deforms and locks into the first opening. This utility model, by fixing the connector to the wiper arm and then fixing it to the water inlet on the flow channel element, eliminates relative movement, improves sealing reliability, and simplifies assembly.

The application discloses a battery monomer, a battery device and a power utilization device, and relates to the technical field of batteries. The battery monomer comprises a shell assembly, an electrode assembly and a pole post assembly, the pole post assembly comprises a pole post main body and an adapter, the adapter is welded with a first shell wall, at least one identification part is formed on the side surface of the adapter away from the accommodating cavity, the identification part is arranged between the outer circumferential edge of the pole post main body and the outer circumferential edge of the adapter in the radial direction of the adapter, the identification part is configured to be visually detected and identified, the surface roughness of the identification part is smaller than the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part, and the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part is smaller than the surface roughness of the outer circumferential wall of the adapter. Therefore, the position grasping accuracy of the outer circumferential edge of the adapter can be improved through the identification part, the welding quality of the adapter and the first shell wall is improved, and the reliability of the battery monomer is improved.

The invention discloses a novel-structure commercial vehicle AMT pneumatic control module, and particularly relates to the technical field of pneumatic control modules, the novel-structure commercial vehicle AMT pneumatic control module comprises a middle partition plate, a valve plate is arranged at the top of the middle partition plate, side face supports are arranged on the two sides of the front end of the top of the valve plate, and a top support is arranged at the top of the valve plate; a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve are arranged on the inner sides of the two side face supports respectively, and a first two-position three-way electromagnetic valve is arranged on the rear side of the top of the valve plate. A plurality of various electromagnetic valves are integrated through the valve plate, power-on and power-off combinations of different electromagnetic valves are controlled, gas from the main gas inlet can be subjected to distribution, reversing and power-on and power-off control, accordingly, mechanisms such as a gear shifting actuator and a clutch actuator of the automotive AMT system are driven to act, manual gear shifting is not needed, and the cost is reduced. The side supports, the top support and the valve plate are combined, meanwhile, an air source system of a vehicle is utilized, the space utilization rate is greatly increased, the structure is compact, and external connecting pipelines are reduced.

This utility model relates to vehicles, specifically providing a differential, a vehicle transmission assembly, and a vehicle, aiming to solve the problem of excessive internal oil pressure affecting the sealing effect of the oil seal in the differential. To this end, the differential of this utility model includes: a support base with a first through hole, the inner wall of which has an annular groove; an input shaft; and an adjusting ring disposed within the annular groove, with a clearance fit between the adjusting ring and the inner wall of the annular groove, allowing oil to flow through the gap on both sides of the adjusting ring. This utility model, by setting an adjusting ring within the through hole of the differential support base and ensuring a clearance fit between it and the inner wall of the annular groove, achieves free flow of oil under normal operating conditions; when a large oil pressure difference occurs on both sides of the adjusting ring, the adjusting ring automatically adheres to the inner wall of the annular groove under pressure, promptly sealing the gap and effectively isolating the oil flow. This structure can dynamically adjust the internal oil pressure of the differential without changing the original arrangement.

The self-supplemental magnetic liquid sealing device comprises a shell, a rotating shaft and at least one pole shoe. The rotating shaft is internally provided with at least one supplement groove for accommodating standby magnetic liquid. The rotating shaft is provided with an opening in communication with the supplement groove on the peripheral surface. The magnetic property of the multiple pole teeth of the pole shoe increases in a stepped manner in the direction away from the supplement groove. When the rotating shaft rotates, the magnetic liquid in the supplement groove flows out from the opening under the action of centrifugal force and is supplemented into the sealing gap of the multiple pole teeth under the attraction of the pole teeth. The device uses the magnetic field strength gradient to make the magnetic liquid fill the sealing gap. The magnetic liquid can be automatically supplemented or replaced without disassembling or opening the sealing device, thereby reducing the maintenance cost and downtime, effectively solving the problem of evaporation of the magnetic liquid, and improving the sealing reliability and service life of the magnetic liquid sealing device.

The invention relates to the technical field of food storage, and discloses an emergency survival tank and a packaging method thereof.The emergency survival tank comprises a tank body and a cover body matched with the open end of the tank body, and the packaging method comprises the following steps that compressed food and a survival tool assembly are placed in a cavity of the tank body, and the tank body is placed in a vacuum chamber; the cavity containing the compressed food and the survival tool assembly is vacuumized until the cavity reaches a preset negative pressure state; when the cavity reaches a preset negative pressure state, inert gas and / or protective gas are / is filled into the cavity until the gas environment in the cavity forms a preset gas environment; the cover body is sealed at the opening end of the tank body, so that the closed space for maintaining the gas environment is formed in the cavity, and through the arrangement mode, the gas environment in the cavity can reach the preset gas environment, so that the fresh-keeping period of food in the preset gas environment can meet the requirement of the emergency survival tank for 3-5 years or even longer.

The invention discloses a crystal growth synthesis furnace which comprises a composite furnace body, a heating and temperature control system, an optical observation window assembly and a growth monitoring and control system. A furnace chamber of the composite furnace body is of a multi-layer gradient composite lining structure composed of a pressure-bearing water-cooled jacket, a carbon fiber reinforced silicon carbide composite material layer, a foam silicon carbide ceramic heat insulation layer and high-purity graphite paper. The heating and temperature control system adopts a distributed design and comprises a main heater, an upper auxiliary heating ring, a lower auxiliary heating disc and a lateral compensation heater. The optical observation window assembly is fixed to the center of the upper furnace cover and matched with the high-speed imaging unit to achieve in-situ monitoring of the growth process. According to the crystal growth synthesis furnace provided by the invention, accurate regulation and control of a three-dimensional temperature field and real-time visual monitoring of a growth interface in a silicon carbide crystal growth process are realized, and the crystal quality, the growth success rate and the process repeatability are remarkably improved.

The invention discloses a sealing method for an optical fiber element, and relates to the technical field of optical element connection, in the sealing method, a pretreated assembly component is directly sealed under micro-positive pressure inert gas, and the sealing reliability can be improved from multiple aspects of oxidation prevention, atmosphere control, quality improvement, process stabilization and the like; the temperature of the graphite jig changes more gently in the heating and cooling stages, heat permeates uniformly in the heating process, and local thermal shock is avoided; and during cooling, heat is quickly and uniformly dissipated, so that the cooling rate difference of all parts of the sealing piece is reduced, and thermal stress accumulation is greatly reduced. In the sealing heating stage, the graphite jig can quickly and uniformly conduct heat of a heat source, the problem that a local area is overheated or heated insufficiently can be avoided, it is guaranteed that glass solder is synchronously melted and wetted on the whole sealing interface, the defects that the solder is uneven in spreading, local fusion is incomplete and the like due to the temperature gradient are overcome, and the service life of the glass solder is prolonged. And the air tightness and the structural integrity of a sealing interface are ensured.

This utility model provides an angle regulating valve. The angle regulating valve includes: a valve body, a valve seat, a pressure block, a sleeve, a valve stem, a valve core head, and a throttling mechanism. The valve seat is disposed on the bottom of the valve body, and the valve seat and valve body are fixed together by fixing bolts. The pressure block is slidably installed inside the valve seat, and the sleeve is slidably installed inside the valve seat. The top of the sleeve engages with the bottom of the valve body, and the bottom of the sleeve engages with the top of the pressure block. The sleeve is adapted to the bottom of the valve body and the top of the pressure block. The valve stem is slidably installed on the valve body. The angle regulating valve provided by this utility model, through a three-stage filtration and throttling design of a filter plate, a first throttling plate, and a second throttling plate, combined with staggered distribution of throttling orifices, forms a complex flow channel, significantly improving the throttling effect and reducing fluid velocity fluctuations. This effectively reduces fluid noise and improves throttling efficiency.

The invention relates to the technical field of medical equipment, and provides a negative pressure transfer incubator which comprises a case, a constant temperature cover and an elastic inflation tube, the case is of a box body structure with an opening in the upper end, a continuous annular containing groove is formed in the upper end of the case, the constant temperature cover is of a cover body structure with an opening in the lower end, and the lower end of the constant temperature cover is matched with the containing groove; the lower end of the constant-temperature cover is used for being inserted into the containing groove, lock catch structures used for mutual connection are arranged on the outer wall of the constant-temperature cover and the outer wall of the machine box respectively, an air pump is arranged in the machine box and connected with an elastic inflation pipe, the elastic inflation pipe is connected into the containing groove, and when the constant-temperature cover and the machine box are in a connected state, the elastic inflation pipe is connected into the containing groove. And the elastic inflating pipe is positioned between the constant-temperature cover and the case. Through the multiple synergistic effects of guiding positioning, mechanical locking and active inflation sealing, the sealing reliability and adaptability of the main connecting face of the negative pressure transfer incubator are remarkably improved, and the stability of the internal negative pressure environment is effectively maintained.

This application provides an expandable modular stacked filtration system. The system includes a filter module group comprising multiple filter units, each including a valve block and a filter cartridge mounted on the valve block. Each filter unit has a standardized interface. The multiple filter units are detachably connected via the standardized interface and are arranged in parallel to form multiple filtration branches. A support unit is used to mount a drive unit and filter units. A monitoring unit, connected at least to the drive unit, is used to monitor the operating status of the filtration system. By arranging multiple filter units in parallel to form multiple independent filtration branches, this application allows isolation of a single filter unit from the system when maintenance or filter replacement is required, while other filter units continue to operate normally without interrupting the overall filtration process. This improves system availability and ease of maintenance.

The invention relates to the technical field of quick-closing valves, and discloses a sleeve quick-closing valve which comprises a valve seat, a mounting block, a valve element and a fixing block. A sleeve is installed on the upper surface of the valve seat, an adjusting rod is screwed to the upper surface of the sleeve, and a lifting block is arranged at the bottom end of the adjusting rod. The mounting block is arranged at the bottom of the lifting block, a limiting rod is inserted into an inner cavity of the mounting block, a piston is mounted at the bottom end of the limiting rod, and a first spring is arranged between the piston and the mounting block; limiting strips are mounted on the two sides of the surface of the limiting rod, and limiting grooves are formed in the corresponding positions of an inner cavity of the mounting block. Mounting cylinders are uniformly distributed on the surfaces of the fixing blocks, second springs are mounted on the surfaces of the mounting cylinders, and extrusion plates are mounted at the output ends of the second springs. Through cooperation of all the structures, precise butt joint and separation of the valve element and the valve seat are achieved, movement stability and sealing reliability are guaranteed, opening and closing response efficiency is optimized, impact force is buffered, abrasion is reduced, the service life is prolonged, and operation stability and use reliability are improved.

This invention relates to the field of wastewater treatment technology, and more particularly to a wastewater treatment device based on an algae-bacteria symbiotic photobioreactor, comprising: a mounting frame and a treatment tank fixed inside the mounting frame. The treatment tank contains a reaction assembly, which includes a drive rod and a reaction spiral blade. The drive rod is vertically positioned inside the treatment tank, and the reaction spiral blade is fitted onto the drive rod. The reaction spiral blade has reaction holes and contains a biological reaction layer. A collection hood, shaped like an inverted frustum, is located at the bottom of the treatment tank. Two symmetrical outlets are located at the bottom of the collection hood. A collection assembly, comprising a sealing ring, a guide ring, a movable rod, and a collection box, is located below the collection hood. The sealing ring is fixedly connected to the bottom side of the collection hood. This invention causes the generated sediment to converge centripetally at the bottom of the treatment tank, avoiding the formation of eddy current dead zones.

The present application relates to the technical field of light pipe assembly, and discloses an X-ray light pipe flange packaging process, which comprises the following steps: placing a light pipe module in a vacuum environment; using an automatic grabbing mechanism to complete assembly; using an automatic screwing mechanism to tighten the flange bolts in a diagonal cross and step-by-step pre-tightening sequence, and monitoring the vacuum degree in real time; using a sensor group to collect multi-dimensional process parameters such as torque, angle, vacuum degree change rate, flange vibration and temperature in real time; a central control system judges the thread state according to the torque-angle curve, judges the sealing state according to the vacuum degree change rate, analyzes the contact uniformity according to the vibration characteristics, and corrects the target torque value according to the temperature data; when the judgment result exceeds the threshold value, an automatic alarm is given and a correction instruction is executed; through multi-parameter real-time monitoring and closed-loop control, the present application realizes instant identification of bolt tightening abnormalities, temperature compensation correction of torque, online early warning of vacuum leakage and full-process data tracing.

The utility model discloses a watertight optical cable splicing device which comprises a support, a sleeve, a connector and an outer clamping sleeve assembly, the support is arranged in the sleeve in a penetrating mode, one end of the sleeve is detachably and fixedly connected with the connector, and the support in the sleeve is detachably and fixedly connected with an optical fiber adapter. One end of the support and the other end of the connector are respectively provided with an access hole used for accessing the optical cable, and the access hole is connected with an outer clamping sleeve assembly so as to detachably fix and seal the accessed optical cable and the access hole. A firm protective shell is provided for splicing of the optical cable, meanwhile, the optical fiber adapter is installed on the support in advance, the optical fiber connector is manufactured on the optical cable in advance, splicing can be achieved only by inserting the optical fiber connector into the optical fiber adapter in the field installation process, the field installation is easy and convenient, the overall structure is compact, and the needed installation space is small.

The invention relates to the technical field of waterproof vibrating needle processing, in particular to a forming die of a coated waterproof vibrating needle structure, which comprises a first die and a second die, the first die is provided with a first forming cavity for forming a first forming part; the second mold is provided with a second forming cavity for forming a second forming part; a first forming part is formed through a first mold, and after the formed first forming part wraps a part of the elastic needle, a first forming piece is obtained; forming by adopting a second mold to obtain a second forming part; the second forming part wraps the first forming part to obtain a waterproof vibrating needle product; according to the forming mold of the coated waterproof vibrating needle structure, the injection molding machining procedure is optimized, step-by-step forming of key parts of a product is achieved, the integrally-formed coated waterproof vibrating needle structure is obtained, the production cost is reduced, the production efficiency and the sealing reliability of the waterproof vibrating needle product are improved, and batch production is facilitated.

The application provides an electrolysis chamber of a proton exchange membrane electrolyzer and the proton exchange membrane electrolyzer. The electrolysis chamber of the proton exchange membrane electrolyzer comprises: bipolar plates, sealing rubber lines, anode diffusion layers, proton exchange membrane assemblies, cathode diffusion layers, sealing rubber lines and bipolar plates which are sequentially stacked; the side of the bipolar plate facing the proton exchange membrane assembly is provided with a groove; the side of the sealing rubber line facing the bottom of the groove is provided with a first inclined surface; the bottom of the groove is provided with a booster part; the side of the booster part facing the sealing rubber line is provided with a second inclined surface; and the second inclined surface is in close contact with the first inclined surface. The friction between the sealing rubber line and the bipolar plate in the electrolysis chamber of the proton exchange membrane electrolyzer is large, so that the pressure resistance grade of the electrolyzer is improved, the sealing effect of the sealing rubber line in different environments is ensured, the electrolyzer can withstand a pressure of up to 7MPa, and the hydrogen production efficiency and safety are improved.

The invention relates to the technical field of packers, in particular to an anti-falling packer for oil production engineering, which comprises a packer, a rubber sleeve is fixedly connected to the middle position of the packer, a plugging and limiting mechanism capable of providing protection for the rubber sleeve is arranged on the packer, and the plugging and limiting mechanism comprises a plurality of sliding chutes, a guide groove and a limiting seat. Sliding grooves are formed in the top end and the bottom end of the limiting seat, movable plates are slidably connected to the interiors of the sliding grooves, symmetrically-arranged guide strips are fixedly connected to the movable plates, first supports are fixedly connected to the positions, in the sliding grooves, of the movable plates, linkage blocks are rotatably connected to the first supports, and two symmetrically-arranged supports are fixedly connected to the top end and the bottom end of the limiting seat; the packer has the beneficial effects that excessive radial expansion of the rubber sleeve can be limited, plastic deformation or tearing of the rubber sleeve due to high pressure is prevented, meanwhile, pressure borne by the rubber sleeve is evenly dispersed, the overall structural stability is improved, and the sealing reliability and the structural stability of the packer are further improved.

The application relates to the technical field of swing oil cylinders, in particular to a swing oil cylinder which comprises a cylinder body, an end cover, a piston, and is further provided with a first locking nut which is fixedly connected with the cylinder body, and the hydraulic pressure borne by an output shaft body is transmitted to the cylinder body; the end cover is fixedly connected with the cylinder body, and the reaction force of the hydraulic pressure for moving the piston to a first chamber is transmitted to the cylinder body; the two jointly act on the hydraulic pressure for reciprocating the piston, and the hydraulic pressure no longer directly acts on the output shaft body, so that the reaction force of the hydraulic pressure for reciprocating the piston borne by the output shaft body is not transmitted to a thrust washer or a needle bearing, the thrust washer or the needle bearing is prevented from rotating and rubbing under the condition of bearing huge hydraulic pressure, is quickly abraded or damaged, and a shaft jamming fault is caused, and the service life of a thrust part is prolonged.

The application relates to the technical field of sealing joints, in particular to a sealing joint for a high-pressure hydrogen gas conveying pipeline, which comprises a male connector seat, a female connector seat and a valve core group, the joint ends of the male connector seat and the female connector seat are respectively provided with lock plates and flange joint plates, the outer periphery of the flange joint plate is provided with wedge locking blocks and screw rods, the opposite surfaces of the lock plate and the flange joint plate are respectively provided with first sealing ring groups and second sealing ring groups, the surface of the lock plate is provided with a sealing gasket, the valve core group comprises a core shaft, a spring, a valve sleeve and a guide head, and a gradually tapered section, a throat section and a gradually expanded section flow channel structure are formed between the valve sleeve and a flow channel. The male connector seat and the female connector seat are quickly locked and connected through the wedge locking blocks, a composite sealing structure is formed through labyrinth sealing and elastic sealing, the static pressure of a joint jointing area is reduced through the Venturi effect, the hydrogen gas leakage driving force is reduced, a multilayer leakage prevention mechanism is formed, and the sealing joint has the advantages of good sealing performance, high connection stability and suitability for high-pressure hydrogen gas conveying working conditions.

This utility model discloses a leak-proof connection structure for a mercury refining pipeline, comprising a fixed plate, a first upper fixed block fixedly connected to the inner wall of the fixed plate, a lifting screw installed within the first upper fixed block, a sealing ring fixedly connected to the lower end of the lifting screw, and a flange installed within the sealing ring. Through this structure, by rotating the rotating head to move the lifting screw up and down, the tightness between the sealing ring and the flange can be adjusted, achieving adjustable sealing of the pipeline connection. The multi-fixed block design enhances structural stability and provides double sealing protection, forming two seals: the first is the flange gasket itself, and the second is the externally pressed sealing ring. Even if the first seal fails unexpectedly, the second seal can completely prevent leakage. The flange inner hole facilitates installation and fixation. This structure effectively prevents leakage during mercury refining pipeline transportation, improving safety and sealing reliability. This structure is an independent, attachable module that can be installed on existing standard flange-connected pipelines.

The embodiment of the invention relates to the technical field of new energy vehicles, and discloses a connecting row assembly, a motor controller, an electric drive system and a vehicle, the connecting row assembly comprises a base assembly, a plurality of first sealing elements, a plurality of second sealing elements and a plurality of connecting rows; each connecting row comprises a first connecting body, an insert body and a second connecting body which are connected in sequence, the insert body is embedded in the base assembly, and at least parts of the first connecting bodies and the second connecting bodies extend out of the base assembly in different directions; a first mounting part and a second mounting part are arranged on each second connecting body in a spaced mode in the length direction of the second connecting body, fillet structures are arranged on the two different sides of each first mounting part in the width direction of the first mounting part respectively, and a texture structure is arranged on the surface of each second mounting part; the first installation part is sleeved with the first sealing pieces respectively, and the second installation part is sleeved with the second sealing pieces respectively. The sealing performance of the connecting row assembly can be improved.

The utility model discloses a kind of stacked multi-channel array signal embedded acquisition devices, including cabinet, cover, signal acquisition module, signal backplane, switchboard, power connector, external ethernet connector;Cabinet is assembled by bottom plate and multiple side plates, and side plate includes positioning side plate;Signal backplane is fixed in the inside of positioning side plate;The inside of signal backplane is equipped with internal signal connector, its outside is equipped with external signal connector, and external signal connector extends to cabinet outside by passing through the mounting hole on positioning side plate;Power connector and external ethernet connector extend to cabinet interior by passing through positioning side plate and signal backplane in turn;Switchboard is detachably arranged on bottom plate, and is connected with the inner end of external ethernet connector;Signal acquisition module is detachably mounted on bottom plate;Signal acquisition module is electrically connected with internal signal connector by FPC flexible flat cable, and is electrically connected with switchboard by network cable.The utility model has the advantages of good sealing, compact structure.

The application provides a pure electric new energy driven automobile motor shell sealing type mounting structure, and relates to the technical field of new energy vehicles, comprising an outer shell body, an end cover body, a self-adaptive multiple sealing structure, an operating port sealing structure and an inner multiple point locking mechanism; the application has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions; through the multiple sealing and self-adaptive structure, double sealing of the end face and the side face is realized, the slight offset of the end cover and the shell during butt joint can be self-adapted, the sealing reliability is effectively improved, the invasion of external dust and water vapor can be blocked, and the operation safety of the internal components of the motor is ensured; the application adopts a multiple point synchronous locking structure, can realize uniform pressing of the end cover and the shell, avoids stress distortion of the end cover, is equipped with a reliable self-locking structure at the same time, can prevent loosening of the locking components, ensures the connection stability, and meets the use requirements of the vehicle-mounted vibration environment.

The utility model discloses a kind of anti-toppling chemical barrels, it is related to chemical barrel storage technical field, including chemical barrel, anti-toppling component and pressing assembly, chemical barrel includes barrel body and barrel cover being set at barrel body top, fixed ring is fixedly connected on barrel body, anti-toppling component is slidably connected with fixed ring, pressing assembly is fixedly installed on fixed ring, locking member for limiting anti-toppling component is provided on fixed ring;By pressing top plate, make slide bar drive U-shaped frame to press down, U-shaped frame is driven to move down anti-toppling board by connecting rod, cooperate the guidance of triangular block and the effect of torsion spring, promote anti-toppling board to unfold, until locking member locks slide bar state;Subsequently, rotate fixed bolt, fixed anti-toppling board to guarantee the stability of support, simultaneously, by spring two and connecting plate, drive lifting rod in pressing assembly to move, cooperate and overturn rotating plate, make it exert downward pressure on barrel cover, effectively prevent barrel cover from accidental stress and separate from barrel body, avoid chemical material leakage.

The invention relates to the technical field of operation high-water-pressure tunnel lining water pressure monitoring systems, and particularly discloses a high-water-pressure tunnel lining back osmometer installation device, an installation method and a maintenance method. The hollow screw in the pile casing integrates five core functions of installation and positioning, drainage and pressure relief, water injection and moisture retention, cleaning and maintenance and equipment replacement, and is matched with a rubber plug, a guide rail strip and a counter-force plate at the hole opening of a drill hole to form a rigid fixing system, and water pressure in the hole is stably conducted into a tunnel lining structure. The osmometer and the rubber plug are effectively prevented from being flushed off due to overhigh water pressure in the hole, and the risk of sealing failure is reduced. According to the overall scheme, the construction safety, the sealing reliability after installation and the maintenance convenience of osmometer installation under the high-water-pressure stratum environment are remarkably improved, and excellent adaptability is shown under the complex geological conditions of high water pressure, high mud content, high calcium content and the like.