24results about How to "Avoid improper sealing" patented technology

The invention relates to a valve sealing performance detection system and method, and belongs to the technical field of valve detection. The problems that traditional valve detection is limited to sealing performance detection in a closed state, and monitoring on abnormal changes of pressure, temperature and flow parameters in detection is insufficient are solved. Comprising a valve installation module, a sealing performance evaluation module, a safety monitoring module and a control and display module. The control and display module determines the acquisition evaluation value and the acquisition frequency of the acquisition parameters according to the valve pressure and the opening range, so that the pertinence and the effectiveness of data acquisition are greatly improved; the sealing performance evaluation module establishes a pressure curve, a flow curve and a temperature curve by analyzing various parameters, and analyzes the pressure curve, the flow curve and the temperature curve to obtain a valve sealing value, so as to accurately judge the sealing performance of the valve; the safety monitoring module can deeply analyze the curve to calculate an alarm evaluation value, compares the alarm evaluation value with a preset threshold value, and gives an alarm for abnormal conditions of pressure, temperature and flow in time, so that the safety of the detection process is guaranteed.

The invention relates to the technical field of air tightness detection of heat exchangers, and particularly provides air tightness detection equipment for a plate heat exchanger for a marine main engine, which comprises a base, a positioning mechanism and a plugging detection mechanism. According to the invention, through cooperation of the inflation channel group and the air channel conversion group in the plugging detection mechanism, air tightness detection can be carried out on four exchange channels of the heat exchanger in a unified manner, the air tightness detection efficiency is improved, the four exchange channels of the heat exchanger can be detected one by one when air tightness is disqualified, and the detection efficiency is improved. The specific leakage exchange channel is determined, the convenience of air tightness detection is greatly improved, the fastening and sealing driving set drives the first fixing disc and the second fixing disc to move towards the heat exchanger until the fastening and sealing driving set integrally fastens and seals the two ends of the four exchange channels, the sealing efficiency of the exchange channels is improved, and the sealing efficiency of the heat exchanger is improved. Therefore, the air tightness detection efficiency is improved.

The invention discloses a device for detecting the sealing performance of a blister product. The device comprises a water storage tank and a detection mechanism, the detection mechanism comprises a detection box, a sealing plate, an air inlet head, an air injection pump and an exhaust assembly; a row of detection boxes with upward openings are fixedly arranged at the upper end of the water storage tank, a sealing plate capable of covering the openings of the row of detection boxes is horizontally arranged above the water storage tank in a liftable mode, and each detection box is communicated and fixedly provided with a detection pipe partially capable of penetrating into the water storage tank from the top of the water storage tank and stretching into water. The sealing plate is vertically and fixedly provided with air inlet heads at equal intervals, the upper end of the sealing plate is fixedly provided with an air injection pump for conveying air into the sealing plate, and the interiors of the row of detection boxes are communicated with the exhaust assembly. The problems that a to-be-detected plastic uptake product needs to be put into water for detection, the plastic uptake product needs to be dried after detection is finished, the operation is tedious, and the working efficiency is reduced are solved.

This utility model relates to the field of drone protective cover technology, and more particularly to a quick-release protective cover for an intelligent obstacle avoidance drone probe. This utility model provides a quick-release protective cover for an intelligent obstacle avoidance drone probe, including a bracket, a drone body, a camera, a protective shell, and pins. The drone body is fixedly connected between the tops of two brackets. A camera is rotatably connected to the front of the drone body. Protective shells are slidably placed on both sides of the camera. Two pins are fixedly connected to the rear of each protective shell. The rear of each pin is inserted into the drone body. By inserting and removing the pins, the protective shell can be installed or removed. This utility model, by setting pins and a slide rail at the rear of the protective shell, and cooperating with the insertion holes and sliding grooves on the drone body, allows the protective shell to slide along the rail and be precisely positioned, avoiding the cumbersome disassembly and assembly problems caused by traditional screw fixing methods. At the same time, the limiting rod and the limiting plate are automatically locked under the action of a torsion spring.

The present invention discloses an integrated machine for assembling and testing air tightness of a plastic double-tube interface, which belongs to the technical field of infusion bag production equipment. The integrated machine for assembling and testing air tightness of a plastic double-tube interface comprises a mounting plate, a mounting frame, a hot pressing mechanism, a testing mechanism and a transmission mechanism. The integrated machine for assembling and testing air tightness of a plastic double-tube interface in the present invention is provided with a mounting plate, a mounting frame, a hot pressing mechanism and a testing mechanism. The hot pressing mechanism can tightly connect the plastic double-tube interface piece with the infusion bag body, and the testing mechanism can perform a sealing test on the connected plastic double-tube interface piece and the infusion bag body, thereby improving production efficiency, and the test results are less affected by human factors, and can ensure the accuracy and consistency of the test; and the integrated machine integrates assembly and testing, reduces the floor space of the equipment, and thus saves production costs.

The invention relates to the technical field of product leakage detection, in particular to a plugging device and a leakage detection method. The plugging device comprises a driving assembly which is used for being installed on a positioning plate, and the positioning plate is used for placing a workpiece to be detected. The movable assembly is detachably arranged on the positioning plate, one end of the movable assembly is connected with the output end of the driving part, the other end of the movable assembly extends to the outer side of the positioning plate and extends into the workpiece to be subjected to leak detection, and a first sealing ring and a second sealing ring are arranged on the outer wall of the movable assembly; the movable assembly is further provided with a limiting protruding part, the upper end of the positioning plate is provided with a limiting groove, and the limiting protruding part is clamped in the limiting groove, so that the first sealing ring isolates the first oil channel and the second oil channel of the workpiece to be detected, and meanwhile the second sealing ring isolates the second oil channel and the inner cavity of the workpiece to be detected. According to the utility model, accurate sealing is realized, leakage detection operation of the inner cavity and the double oil ducts can be completed by only one device, the device cost is effectively reduced, and the stability and the reliability of leakage detection operation are obviously improved.

The present application relates to the technical field of mixer, in particular to a multi-stage sealed anti-splashing food mixer, which comprises a support frame and a support disc arranged above the support frame, a drive arranged on the support frame and used to drive the support disc to rotate, a stirring barrel arranged above the support disc, a positioning structure arranged on the support disc and used to position the stirring barrel, and a lifting seat arranged above the stirring barrel; a plurality of first hydraulic telescopic rods are fixedly connected to the support frame, and the telescopic ends of the first hydraulic telescopic rods are fixedly connected to the lifting seat; a rotating seat is rotatably sleeved to the outside of the lifting seat; a sealing element matched with the rotating seat is mounted on the top end of the stirring barrel; and a feeding and stirring assembly is mounted on the lifting seat; the lifting seat drives the rotating seat to move downward to a preset position, so that the sealing element is pressed against the connection between the stirring barrel and the rotating seat; a continuous pressing force is applied by the hydraulic pressure, so that the sealing element can still be kept in close contact even in the case of vibration and abrasion, thereby realizing anti-splashing.

The utility model relates to the technical field of microorganism screening, in particular to a microorganism screening inoculation disc which comprises an inoculation disc body, a containing groove is formed in the top end of the inoculation disc body, a rubber sleeve is bonded to the inner surface of the containing groove, a sample adding cylinder is inserted into the rubber sleeve, and a lap joint ring is fixed to the top end of the sample adding cylinder. A rubber plug is bonded to the middle of the lap joint ring, a check ring is fixed to the edge of the top end of the inoculation disc, and a cover plate covers the top end of the check ring. The microbial sampling device has the beneficial effects that sealed sampling and storage can be carried out on the interior of the sampling barrel, safe screening of microorganisms is kept, and meanwhile, the sampling barrel can accurately sample the microorganisms in a sealed manner and transfer the microorganisms through the needle head, the piston rod and the piston; and the cover plate is detachably positioned, mounted and connected with the inoculation disc through the connecting plate and the positioning pin, so that the inoculation disc is convenient to disassemble, replace and clean.

The utility model discloses a carton trend guiding mechanism for a carton sealing machine, and relates to the technical field of trend guiding mechanisms. The lifting device comprises a base, lifting assemblies are installed in the middles of the two ends of the base in a sliding mode, a driving assembly is fixedly installed on one side of the top of each lifting assembly, a rotating assembly is rotatably installed at the other end of each driving assembly, and the rotating assemblies and the lifting assemblies are rotatably installed. According to the sealing machine, the lifting assembly is driven to drive the rotating assembly to ascend, then the driving assembly can drive the rotating assembly to rotate, and the driving assembly can drive the rotating assembly to adjust the angle according to the deviation angle of a carton, so that it is guaranteed that the sealing machine can accurately seal the opening of the carton; and therefore, the problem that the opened opening of the carton cannot be effectively pasted due to angle deviation of the sealing opening of the carton is solved, and the usability of the carton trend guiding mechanism is improved.

The invention relates to the technical field of electronic chip packaging, in particular to an electronic chip processing mechanism which comprises a dispensing mechanism and a conveying mechanism, the dispensing mechanism is arranged above the conveying mechanism, the conveying mechanism comprises a supporting assembly and a transmission assembly, the transmission assembly is installed on the supporting assembly, a plurality of packaging boxes are arranged on the transmission assembly, and the packaging boxes are arranged on the supporting assembly. The packaging box is located below the dispensing mechanism, a containing space is formed in the packaging box, the two temperature control telescopic plate sets are oppositely arranged and arranged on the tops of the two opposite side walls of the packaging box correspondingly, and the two temperature control telescopic plate sets are used for oppositely stretching and abutting against each other to seal the containing space when heated. The electronic chip is dried after being dispensed in the packaging box, and the electronic chip does not need to be transferred to other drying equipment after being dispensed, so that the electronic chip is prevented from being polluted in the transfer process, and the packaging yield is improved.

The utility model provides a kind of novel submergence type air tightness detection tool of automobile product, comprising: base mould, shell product is placed in base mould upper end, three fixed supports are fixedly installed in base mould left end, movable cover plate is rotatably connected in the upper of base mould, sealing module is fixedly installed in movable cover plate bottom part.This kind of novel submergence type air tightness detection tool of automobile product is provided with fixed column, fixed support, movable cover plate, plug and sealing module etc. structure, fixed column and fixed support cooperate movable cover plate, provide stable opening and closing guide and accurate positioning for tool, ensure that sealing operation is fast and reliable;Plug can be sealed product specific interface flexibly under the support of fixed block, fill sealing blind area;Sealing module is covered product surface and key position comprehensively by virtue of the double sealing design of elastic rubber strip and sealing cylinder, effectively prevent gas leakage.

The invention relates to the technical field of optical test instruments and equipment, and discloses a dispersion medium generation control device which comprises a storage bin, a generation bin and a buffering bin which are sequentially connected, the generation bin is used for arranging a dispersion medium generator, and one side of the generation bin is connected with the buffering bin through a first connecting pipe; the other side of the storage bin is connected with the storage bin through a second connecting pipe; the surge bin is used for temporarily storing a dispersion medium in a dispersion medium generation process; a surge bin piston is arranged at the top of the surge bin, and the surge bin piston is used for adjusting the pressure value of the generation bin in the generation process of the dispersion medium and pressing the dispersion medium into the storage bin after the generation process of the dispersion medium is completed; and the storage bin is used for storing the generated dispersion medium. According to the invention, the quality of the generated dispersion medium can be accurately controlled, and the consistency and repeatability of the experiment are ensured.

The high-reliability electric valve relates to the technical field of electric valves and comprises a coil assembly, a valve seat and a valve body, the coil assembly is provided with a cavity with a stator arranged in the circumferential direction, and after the valve body is in threaded connection with the valve seat, the tail of the valve seat is inserted into the corresponding cavity and is clamped and fixed, and a valve rod is installed in the valve seat in a sliding mode. The end, close to the valve body, of the valve rod is movably connected with a valve needle, and the valve rod slides to drive the valve needle to cut off a channel in the valve body. The valve needle is separated from the valve rod, the valve rod and the valve rod can be not coaxial, the precise sealing effect is achieved, the valve needle can have a moving space relative to the valve rod, sealing is conducted according to the adjusting position of a closure groove of the valve body, the precision between the valve rod and the valve body can be reduced, the design and production efficiency of the whole device is improved, and the cost is reduced. And the design cost is saved.

The utility model relates to the field of wine brewing equipment, and discloses sunning aging equipment which comprises an aging tank, a transparent tank cover and two shading plates, the top of the aging tank is of an opening structure, the transparent tank cover is detachably mounted and fixed to the top of the aging tank, an emptying pipe is fixedly mounted at the bottom of the aging tank, a stop valve is fixedly mounted on the emptying pipe, and the two shading plates are detachably mounted on the transparent tank cover. Two symmetrically distributed driving mechanisms are arranged on the outer side wall of the aging tank. Compared with the prior art, the aging tank has the following advantages and effects that the position of the shading plate can be conveniently and automatically adjusted, the existing mode of manually disassembling and assembling the shading plate can be effectively replaced, the manual labor amount is reduced, multiple pieces of aged meat can be uniformly displayed and hung in the internal space of the aging tank, the multiple pieces of aged meat on the hanging frame can be controlled to rotate, and the aging efficiency is improved. Furthermore, the wine liquid in the ageing tank can be in more sufficient and comprehensive contact with a plurality of pieces of aged meat, and the ageing quality of the wine liquid is improved.

This invention discloses a precise sealing device and its method based on phase transformation. The device includes an integrated sealing and extraction component, a water injection pipe, a water return pipe, a water injection tank, and a pre-extraction pipe. The integrated sealing and extraction component mainly includes an injection / extraction pipe, a cooling network pipe, a plugging component, an auxiliary support, a power component, and a control component. Under the centralized control of the control component, the plugging component is first sent to the appropriate sealing position via the auxiliary support. Then, the adjusting column systematically supports the arc-shaped plugging plate to complete the isolation of the sealing area. Next, the power station continuously supplies cold air to the cooling network pipe, causing the sealing water to solidify and completing the sealing of the pre-extraction hole. After the gas field extraction is completed, the solid water from the plugging is allowed to liquefy and be discharged. Finally, the integrated sealing and extraction component is retrieved. This device achieves precise positioning and isolation of the borehole and retrieval of the sealing device, providing a new approach for the visualization of extraction operations.

The present invention relates to the field of furniture testing technology, and specifically discloses a cabinet door sealing structure testing device and testing method, including: a truss handling robot arm, a detection mechanism, a controller, a workpiece conveying line, a gas supply device and an air filtering device; the detection mechanism is arranged at the rear side of the truss handling robot arm; the workpiece conveying line is arranged at the front side of the outer bottom end of the truss handling robot arm along the front-to-back direction; the gas supply device is arranged at the right side of the outside of the detection mechanism; the air filtering device is installed at the rear side of the outside of the detection mechanism. The present invention uses an automated method to place a detection gas release device inside the furniture, collects the detection gas outside the furniture, and according to the principle of gas diffusion and the collected gas concentration, volume and other data, quantitative indicators such as the leakage rate of the furniture can be calculated, and then the quantitative data of the cabinet door sealing structure can be obtained, and it is non-destructive to the furniture and can more accurately locate the poorly sealed parts.

This utility model relates to the field of battery manufacturing technology and discloses a press-fit adhesive nail equipment, including a workpiece conveying device, an XY module installed on one side of the top of the workpiece conveying device, a press-fit adhesive nail robot installed on the XY module, and a vibratory feeder assembly for supplying adhesive nails to the press-fit adhesive nail robot; the press-fit adhesive nail robot includes a gripper for gripping the adhesive nail, a drive cylinder for controlling the movement of the gripper, and a downward pressure drive device for driving the drive cylinder to move downward. The press-fit adhesive nail equipment of this utility model can improve the efficiency of inserting adhesive nails into the battery casing.

This utility model relates to the field of concrete specimen demolding technology, specifically a pneumatic multi-group concrete specimen demolding device. It includes a support frame, with a clamping assembly on the left side of the support frame. The clamping assembly includes a lifting cylinder, a clamping cylinder, and a clamping mechanism. The lifting cylinder drives the clamping cylinder and clamping mechanism to move up and down, and the clamping cylinder drives the clamping mechanism to clamp the mold box. A flipping assembly is located on the right side of the support frame. The flipping assembly includes a drive cylinder, a flipping platform, a connecting plate, and a positioning module. The drive cylinder drives the flipping platform to flip around a pivot axis, and the positioning module is used to limit the position of the mold box. A pneumatic demolding mechanism is installed on the connecting plate below the mold box. By combining multiple positioning methods, precise positioning and sealing of the mold box and the pneumatic demolding mechanism are achieved. The clamping assembly and the pneumatic demolding mechanism enable batch demolding of concrete specimens within the mold box, improving the automation and efficiency of concrete specimen demolding.

The present invention discloses a method and device for testing the sealing performance of a microphone, and relates to the field of smart home technology. A specific implementation of the method includes: receiving a first sound signal from a first sound source; obtaining a first sound intensity of the first sound signal received by the first microphone and a second sound intensity of the first sound signal received by the second microphone; and analyzing the first sound intensity and the second sound intensity to obtain a first test value, and determining whether the first test value meets a test standard value; wherein a sealing material is assembled between the first microphone and a first sound pickup hole corresponding to the first microphone, and wherein no sealing material is assembled between the second microphone and a second sound pickup hole corresponding to the second microphone. This implementation reduces the test error caused by blocking the sound pickup hole of the microphone to form a cavity, and improves the accuracy of the microphone sealing test.

The invention relates to the technical field of battery formation, in particular to a vacuum battery formation operation system and a using method thereof.The system comprises a reaction container and a supporting piece used for containing a battery, a vacuumizing system is arranged on the reaction container, and a moving mechanism enabling the supporting piece to move in the reaction container is arranged in the reaction container; a battery is placed on the supporting piece, and the feeding mechanism is used for automatically feeding the supporting piece into the moving mechanism; and the door opening and closing mechanism is used for realizing automatic opening and closing control of the feeding hole of the reaction container. According to the battery feeding device, automatic feeding of batteries is achieved, direct contact between workers and equipment is reduced, and the operation risk is reduced.

The application relates to the field of gas measurement, in particular to a light path variable gas measurement device. The device comprises a base, a laser module, a first shell, a first mirror, a gas cell assembly, a focusing lens barrel, a sensor module, a circuit module and the like. The laser beam emitted by the laser module is emitted to the first mirror through the through hole, is reflected on the second mirror and the third mirror back and forth, the third mirror can be rotated to adjust the position of the light emitting hole to adjust the reflection light path, and finally the laser beam is emitted to the focusing lens through the light emitting hole and reaches the sensor module. The application can realize the adjustment of the reflection light path, flexibly cope with different concentration ranges, different types of gas and different measurement environments, and meet the high-precision measurement requirement.

The present application relates to the technical field of viscose staple fiber production, in particular to a defoaming device and production process for improving the defoaming efficiency of viscose staple fiber production, comprising: a defoaming barrel, a detachable filler barrel group and a linkage driving system; the defoaming barrel is provided with a sealing assembly at the top, and the inside is a modular two-stage structure. The first filler barrel is connected with the clamping mechanism through the limiting rod, and the driving assembly drives the clamping plate to be quickly locked; the second filler barrel is linked with the clamping mechanism through the slide rod, and is assembled in cooperation with the pressing ring; the connecting assembly is designed in mechanical linkage of the limiting block and the clamping rod, and supports tool-free disassembly. In terms of production process, the two-stage spiral filler strengthens the fluid shear force and prolongs the flow path, thereby improving the defoaming efficiency; the modular design facilitates the cleaning of accumulated dirt and avoids traditional cutting maintenance. The sealing assembly is combined with the waste gas condensation recovery system to reduce energy consumption and control waste gas emission. Through structural innovation and process integration, the scheme reduces the maintenance cost, guarantees the fiber quality, and realizes efficient continuous and environmentally-friendly operation.

The utility model provides a valve for garden irrigation, and relates to the technical field of valves, the valve comprises a pipeline and a valve mechanism, the valve mechanism is arranged on the outer side of the pipeline, through the arrangement of the valve mechanism, when the valve is used, accurate control and sealing of water flow are achieved through the arrangement of a valve assembly, a valve element and a valve seat, and leakage is prevented; through the arrangement of the manual assembly, a standby operation mode is provided when an automatic system fails, a user can directly control rotation of a valve element through mechanical connection of a hand wheel and a main shaft so as to control water flow, and through the arrangement of the driving assembly, a motor drives a transmission rod, and the main shaft is rotated through shaft teeth, automatic opening and closing of the valve are achieved. Through the arrangement of the communication assembly, the network module and the microprocessor, the valve can be connected to a network and receive a remote control instruction, intelligent management is achieved, the efficiency and reliability of the irrigation system are improved, and a convenient operation and monitoring mode is provided for a user.

This application relates to a method for filling a perovskite solar cell module slot, comprising: filling the slot with a first filler having a first preset viscosity, such that the first filler covers the bottom and at least part of the sidewalls of the slot; filling the slot with a second filler having a second preset viscosity, such that the second filler covers the first filler and a preset area of ​​the edge of the slot; the second preset viscosity is greater than the first preset viscosity. This method achieves precise and reliable sealing of the slot and its preset edge area, effectively improving problems such as residual debris, electrical defects, and moisture migration in the slot, thereby increasing the yield, power generation performance, and long-term reliability of the perovskite solar cell module.