73results about How to "Prevent inflow" patented technology

The present invention relates to a filter element (30) having a filter medium (32) and a first end plate (36), the filter medium circumferentially surrounding the longitudinal axis (33) of the filter element (30), wherein the filter medium (32) is capable of being flowed from the radial outside to the radial inside, wherein the filter element (30) has a primary air passage (46) and a secondary air passage (54) preferably located at the center, wherein the filter medium (32) has an axial recess (58) on the first end side (34), and the channel (56) of the first end plate (36) forming the secondary air passage (54) extends in the axial recess. Furthermore, the present invention relates to an air filter (10) having a filter housing (12) and such filter element (30), the filter housing having an unpurified air inlet (18), a primary air outlet (20) and a secondary air outlet (22), the filter element separating the unpurified side (42) communicating with the unpurified air inlet (18) and the purified side (44) in the filter housing (12), wherein the primary air outlet (20) is connected to the purified side (44) via the primary air passage (46), and the secondary air outlet (22) is connected to the purified side (44) via the secondary air passage (54).

The utility model discloses a kind of plastic extruders for PVC plastic particle production, including conveying bucket, the front end of conveying bucket is fixedly connected with shunt head, the outer wall of shunt head is fixedly connected with a plurality of solenoid valves, the outer wall of solenoid valve is fixedly connected with discharge head. When plastic masterbatch is heated and melted, it can flow into from any one or several separation ports respectively, and several outlets on discharge head can be simultaneously connected with several same or different molds, so as to improve the efficiency of processing, and the corresponding outlet can be opened by solenoid valve, so that it can avoid that hot melt masterbatch flows into unnecessary outlet.

The utility model relates to the technical field of toughened glass production, a kind of edge grinding device for toughened glass production, including polishing motor, the output end of polishing motor is fixedly connected with coupling, coupling is fixedly connected with polishing disc, further include: remove dust's dust removal brush after glass polishing, the transmission assembly that drives dust removal brush to rotate dust removal is installed on the polishing disc, the transmission assembly is installed on polishing motor by support rod;Protective shell is protected inside transmission assembly;Dust removal brush in the utility model is synchronous with polishing disc rotation in polishing process, timely remove dust and residue on glass, so that staff can clearly observe the state after glass polishing, quickly find uneven polishing, missing area or overpolishing etc. Problem, avoid the glass with defect to flow into subsequent process, guarantee the polishing quality of product from the source, reduce the rework operation carried out due to product unqualified.

The utility model discloses a kind of louver back glue devices, it is related to louver back glue technical field, including the rack for supporting entire device, for supporting louver and carrying out work station transfer slewing mechanism, for the louver that is supported on slewing mechanism carries out gluing gluing mechanism, for the supply material mechanism for supplying louver to be coated, for placing louver on the supply material mechanism on the feeding mechanism on slewing mechanism, for the louver that is coated with back glue is taken off discharging mechanism, for the storage mechanism for containing louver that is coated with back glue;Wherein, the feeding mechanism, the gluing mechanism and the discharging mechanism are sequentially arranged around the slewing mechanism circumference;Beneficial effect lies in: the device is improved efficiency by automation closed loop operation, double-station design adapts mass production;Rotary gluing and accurate positioning ensure quality;Optimization feeding and discharging avoid jamming, detection function controls quality, compact structure is easy to maintain.

A batch traceability information management method for garbage bag products involves installing a laser engraving device at the film feeding end of the garbage bag production line. The laser etches a micro-QR code pattern, composed of a dot matrix, onto a specific area of ​​the film surface. Embedded within this micro-QR code is initial coding data containing the raw material batch number, production date, and a unique production line identifier. Each pixel of the micro-QR code is less than 0.1 mm in diameter, and the spacing between adjacent pixels is 0.2 mm, forming an invisible identification layer. This invention effectively avoids the risk of failure caused by wear, dirt, or human intervention, as with traditional labels, by using a high-energy laser beam to etch a micro-QR code pattern on a specific area of ​​the film surface. The initial coding data includes the raw material batch number, production date, and unique production line identifier, ensuring the inseparability of product identity and raw material origin.

A laundry treating apparatus includes a cabinet, an outer tub, a drum, a top cover configured at an upper portion of the cabinet, having an opening portion that communicates an inside and an outside of the cabinet, a detergent supply portion that supplies a detergent to the outer tub, and a detergent water supply conduit that supplies water to the detergent supply portion, the detergent supply portion including a detergent box that provides a first space that stores the detergent, and a connection conduit that connects the detergent box and the outer tub, the outer tub including a detergent inflow conduit formed at a position lower than an outer tub cover of the outer tub main body and connected to the connection conduit, the cabinet including a front side wall, a rear side wall, a left side wall, and a right side wall that form an internal space of the cabinet, the upper portion of the front side wall of the cabinet including an extension portion that is recessed downward, thereby forming an access space that communicates the inside and the outside of the cabinet between the top cover, and a portion where the detergent box and the connection conduit are connected is exposed to the access space.

This utility model relates to a riverbank structure that integrates pollution mitigation and ecological greening, belonging to the field of riverbank structure technology. It includes a polluted soil layer along the riverbank and a riverbed. A barrier mechanism is provided on the right side of the polluted soil layer. The barrier mechanism includes a first clay impermeable layer, a first ecological gabion retaining wall, a soil layer, a second clay impermeable layer, two second ecological gabion retaining walls, and ecological greenery. This riverbank structure, integrating pollution mitigation and ecological greening, isolates the polluted soil layer from the riverbed by setting the first clay impermeable layer and the first ecological gabion retaining wall on the right side of the polluted soil layer, preventing liquid pollutants from flowing into the riverbed. When the first clay impermeable layer is damaged, the second clay impermeable layer can provide further protection. The two second ecological gabion retaining walls enhance the stability of the riverbank structure and reduce the risk of breaches.

This invention relates to the field of tobacco procurement information technology, and discloses an intelligent processing system for weighing information and a weighing and sealing device for tobacco leaf pre-inspection. The system includes data acquisition, processing, interaction, and execution control modules. The data acquisition module performs time-series alignment of continuous weight data and identity data. The data processing module uses a peak-valley range algorithm to determine stability and lock the net weight, while simultaneously performing tare deduction and compliance verification. The data interaction module, based on visual anchor point positioning technology, establishes a non-intrusive transmission channel with external business systems, automatically corrects control coordinates, and simulates data entry. The execution control module, based on a finite state machine, drives seal generation and data entry when verification is successful, and triggers an audible and visual alarm and forcibly blocks the entry signal and sealing command when verification fails. This invention solves the problems of difficult integration with heterogeneous systems and error-prone manual data entry, achieving automated and accurate acquisition of weighing data and closed-loop quality control.

The utility model relates to the polycrystal silicon production technical field especially, and it is a kind of novel silicon core structure, silicon core subassembly and reduction furnace structure, the silicon core adopts whole tapering structure or ladder type structure;The whole tapering structure specifically refers to: from the top to bottom of silicon core, the cross section size of silicon core continuously decreases along the axial direction;The ladder type structure specifically refers to: from the top to bottom of silicon core, the silicon core includes first silicon core section and second silicon core section connected in turn, and the cross section size of first silicon core section is greater than the cross section size of second silicon core section. Through the novel silicon core structure, silicon core subassembly and reduction furnace structure, can effectively avoid the abnormality such as molten silicon, black inclusion of silicon core in the growth process.

The present application relates to vertical sand mill technical field, specifically to a kind of closed circulation vertical sand mill, using the stirring tank, feed pump and vertical grinding device communicated in turn, vertical grinding device includes vertical grinding body, overflow shell, driving spindle, static ring, dynamic ring, centrifugal rotor and screen, when using, material is stirred in stirring tank, pumped into vertical grinding device by feed pump, material flows into overflow shell by screen and dynamic ring, without mechanical seal, avoid the problem that material easily leaks by using mechanical seal setting, screen, dynamic ring and static ring are used to prevent grinding medium from entering overflow shell, and grinding medium is thrown to periphery under the action of centrifugal rotor to avoid grinding medium and screen friction and cause screen damage, material is overflowed into stirring tank by the high-low liquid level difference of stirring tank, form closed circulation, ensure the stability of product quality.

This utility model relates to the field of logistics and transportation technology, and discloses a logistics turnover box, comprising: a box body having an opening and a receiving cavity communicating with the opening, the opening of the box body having a first hinge portion; a box lid having a second hinge portion on its side near the box body that is hinged to the first hinge portion, the box lid being able to close the receiving cavity when closed on the box body; and a hinge drainage channel provided on the box body and located around the first hinge portion, the hinge drainage channel being used to collect water falling at the hinge point of the first hinge portion and the second hinge portion and drain it to the outside of the box body. This utility model provides a hinge drainage channel to collect rainwater and other water stains, draining water falling at the hinge point of the first hinge portion and the second hinge portion to the outside of the box body, thereby preventing rainwater and other water stains from flowing into the box body through the rotating connection between the box lid and the box body, ensuring the waterproof performance of the logistics turnover box, and preventing the items transported inside from getting wet and damaged.

This utility model relates to the field of agricultural planting monitoring equipment technology, specifically to a soil fertility monitoring pole device for cut flower planting. It includes a soil fertility monitor body and multiple integrated soil sensors. A vertical pole is provided on one side of the soil fertility monitor body. A connecting rod is fixedly installed on the top of the vertical pole. A fixing component is provided at the end of the connecting rod, including a suspension seat fixedly installed on the end of the connecting rod. The suspension seat has a slot, and the front wall of the slot has a locking hole communicating with the outside. A fastening bolt is threaded onto the top plate of the suspension seat. A suspension plate is fixedly installed on the top of the housing of the soil fertility monitor body, and the suspension plate is fitted onto the bottom pole of the suspension seat. A force-bearing plate is fixedly installed on the bottom pole of the vertical pole, and two symmetrical anchor rods are provided inside the force-bearing plate. This utility model facilitates assembly and disassembly, and allows for easy adjustment of its position.

The utility model discloses a wastewater pretreatment flocculant dosing device, including wastewater pipeline, stainless steel pipe, pipeline quick -operation joint, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline, stainless steel pipe is set up on wastewater pipeline through the welding, and its outside end portion is welded fixed with one side end portion of pipeline quick -operation joint, and flocculant corrosion -resisting conveying pipeline is connected with the other side end portion of pipeline quick -operation joint with the screw thread, and the flocculant corrosion -resisting dosing pipeline is set up in the stainless steel pipe inside, and one end is connected with the screw thread of pipeline quick -operation joint end portion, and the other end is beyond the end portion of stainless steel pipe inside wastewater pipeline, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline preferably UPVC pipe, and the end portion of stainless steel pipe and flocculant corrosion -resisting dosing pipeline inside wastewater pipeline is equipped with first elbow and second elbow respectively. The utility model discloses can effectively solve the problem of the leakage of the dosing pipe on the existing wastewater pipeline and the misflow of wastewater into the dosing pipe due to corrosion.

This application relates to the field of mechanical parts processing technology, specifically disclosing a grinding device for excavator parts, including a main body and a grinding robotic arm. The grinding robotic arm is provided on the outer surface of the main body. The grinding robotic arm includes a robotic arm, a drive motor, and a grinding disc. The output end of the drive motor is sleeved with the grinding disc. This invention can clean the worktable in a timely manner through a dust removal component, preventing debris from affecting subsequent grinding work, ensuring that the parts are placed stably and positioned accurately. Keeping the worktable clean reduces the flying of debris and dust, improves the working environment, and protects the respiratory health of operators. The clamping component can stably clamp the parts, and can promptly issue an alarm when the parts deviate in the clamp, preventing unqualified products from entering the market. In addition, it can detect the parallelism of the clamping arm and issue an alarm when the clamping arm tilts, preventing uneven distribution of clamping force during grinding.

This utility model discloses a rigid carton damage and defect detection bracket, including a detection head and a mounting base, which are movably connected by an angle adjustment structure. The detection head is located at the top, and its front end has a matrix light source window and a camera aperture for mounting an image acquisition module. The image acquisition module includes a camera component and an array of LED light source components. The array of LED light source components is electrically connected to a light intensity self-adjusting circuit. The mounting base is located at the bottom, and its outer wall has several fixing holes with shock-absorbing structures. This utility model uses an adjustable damage and defect detection bracket to perform real-time image acquisition of carton damage and scratch quality problems. It has a stable structure, a wide image acquisition range, and high image quality.

The utility model discloses a kind of testing devices for forging flange, it is related to testing device technical field.The utility model includes two flange connecting pipelines and the sealing ring one being arranged at the junction of two flange connecting pipelines, the junction of two the flange connecting pipelines is provided with sealing ring two, further include: test part, the test part is installed on sealing ring one;Anti-falling part, the anti-falling part is arranged on sealing ring one and sealing ring two;The test part includes test component, and the test component is installed on sealing ring one;And support component, the support component is installed on test component.The utility model is by setting test part, solved the air tightness of current testing device in use process, not convenient to detect flange, leading to detection process cumbersome, low efficiency, it is difficult to quickly judge whether flange sealing performance is qualified, can make unqualified product flow into use link, and further cause medium leakage, the problem of influence system operation safety.

The application discloses a novel automobile bumper dry-type spraying room structure, relates to the design and manufacturing technical field of a bumper coating equipment on an automobile production line, and aims to design a novel automobile bumper dry-type spraying room structure which can reduce the use cost of a filter, the replacement cost of the filter and the treatment cost of solid waste, and the novel automobile bumper dry-type spraying room structure comprises a gas feeding room, a spraying room and an exhaust device, a gas feeding side adjusting partition plate is arranged between a spraying room dynamic pressure chamber and a spraying room static pressure chamber of the gas feeding room; the spraying room comprises a coating equipment chamber, a spraying room bottom surface and a grating plate, the coating equipment chamber is arranged in two rows, and the grating plate is arranged between the coating equipment chamber and the spraying room bottom surface; a fence is arranged at a lowest point area in the middle of the spraying room bottom surface along a spraying room air outlet; a waste liquid tank is arranged at a position in the middle of the lowest point in the middle of the spraying room bottom surface; a rear end of a main exhaust pipe of the exhaust device is connected with an exhaust fan, and a front end is connected with a secondary bag filter; and a secondary filter replacement inlet is arranged between a primary box filter and the secondary bag filter.

The utility model relates to a kind of metal component surface radial wire drawing processing device, belong to metal wire drawing processing technical field.The metal component surface radial wire drawing processing device, it include: rack, the rack surface is respectively equipped with wire drawing mechanism and rotating mechanism, the rotating mechanism includes fixedly connected with the motor of rack top, and the motor output shaft end is fixedly connected with fixed block;Scrap collecting mechanism, it is set on rack, and the inner cover top is equipped with through-hole, the wire drawing mechanism is equipped with lifting plate, the lifting plate is fixedly connected with liquid injection pipe, the liquid pump outlet and liquid injection pipe are communicated by hose between, above-mentioned radial wire drawing processing device, inner cover and outer cover form relatively closed space, cooperate liquid pump and liquid injection pipe to make cooling liquid circulation flow, both can spray cooling liquid to processing area, realize the effective cooling of component, can also collect scrap with cooling liquid to outer cover, avoid scrap splashing.

The application relates to a display panel substrate, which comprises N rows of scanning lines and a scanning driving circuit, the scanning driving circuit comprises N cascaded scanning driving units, the output end of the scanning driving unit is connected with a corresponding scanning line, N is a positive integer greater than 2; a test circuit is used for changing the voltage of one row of scanning lines in a pair of adjacent rows of scanning lines, detecting the relationship between the voltages of the two rows of scanning lines in the pair of adjacent rows of scanning lines, and detecting whether short circuit occurs in the pair of adjacent rows of scanning lines. The display panel substrate solves the problem that in the prior art, the ATT stage cannot effectively detect whether short circuit occurs in the two adjacent rows of scanning lines.

The utility model discloses an electric rice cooker, including the pot body with inner pot and the pot cover with metal inner cover, the inner pot is equipped with the first sealing surface, the metal inner cover is equipped with the second sealing surface, the first sealing surface and the second sealing surface are pasted and form the rigid sealing area of annular, still include the fan and the air duct with outside communication, the air duct is along the rigid sealing area circumferential arrangement, the fan is used to send the wind of outside into the air duct, to make the wind flow through the air duct and cool the rigid sealing area. The utility model discloses an electric rice cooker, the steam produced when cooking meets the rigid sealing area of low temperature and will become condensed water, and the condensed water will fill the gap between the metal inner cover and the inner pot and form water seal, which can effectively improve the sealing effect between the metal inner cover and the inner pot, thereby effectively avoiding air leakage.

This utility model discloses an automated product assembly device, including a frame. The top of the frame is equipped with a rotating disk, a vibrating feeding disk, a lower cover feeding and conveying mechanism, a semi-finished product chute, a semi-finished product conveying mechanism, a pressing mechanism, a visual inspection mechanism, and a upper cover feeding mechanism. This utility model achieves a fully automated process from material feeding, handling, assembly to quality inspection through the coordinated operation of multiple mechanisms, including the vibrating feeding disk, the lower cover feeding and conveying mechanism, the upper cover feeding mechanism, and the semi-finished product conveying mechanism. This significantly reduces manual intervention and improves production efficiency. Compared to traditional manual or semi-automatic assembly methods, it can greatly shorten product assembly time and meet the needs of large-scale production.

The utility model relates to the field of bleaching and dyeing equipment discloses a continuous feeding mechanism of bleaching and dyeing equipment, including two guide rollers, two the guide roller rotatable setting in the inside of bleaching and dyeing pool, the inside bottom surface fixed of bleaching and dyeing pool has first electric push rod, one end fixed of first electric push rod telescopic link has lifting plate, the top surface detachable of bleaching and dyeing pool is equipped with mounting plate. In the utility model, through the synergetic effect of guide roller, bleaching and dyeing pool, first electric push rod, lifting plate, mounting plate, infrared sensor, pressure sensor, contact lever, delivery pump, connecting pipe, delivery pipe and PLC controller, realize the automatic sustained supply of bleaching and dyeing solution in the bleaching and dyeing process of fabric, reduced manual intervention, reduced labor intensity, can also ensure that bleaching process is always in stable solution environment and carries out, effectively improved the bleaching quality of fabric, avoided the resource waste caused by solution deficiency or excess simultaneously.

The utility model provides a kind of reactor pressure relief system, it is related to nuclear power technology field, including reactor, pressure relief tank, first pressure relief pipeline, first rupture disc, first isolation valve and second isolation valve.First pressure relief pipeline has first pressure relief end and second pressure relief end, first pressure relief end is communicated with the inside of reactor, and second pressure relief end is communicated with the inside of pressure relief tank;First rupture disc is connected in first pressure relief pipeline, to isolate first pressure relief end and second pressure relief end;First isolation valve is connected in first pressure relief pipeline, and it is located between first rupture disc and first pressure relief end;Second isolation valve is connected in first pressure relief pipeline, and it is located between first rupture disc and second pressure relief end.The reactor pressure relief system in the utility model embodiment has first state and second state, by switching different state, adverse effect caused by reactor, pressure relief tank and outside each other in the process of replacing rupture disc can be reduced.

This utility model relates to the field of integrated stoves, and in particular discloses an integrated stove countertop structure, including a countertop and a valve body structure for controlling the start of the stove. The countertop has a first mounting hole for installing the valve body structure. The valve body structure includes a valve body, a valve stem, and a valve cover connected to the top of the valve body. The valve cover has a connecting pipe extending into the first mounting hole. The bottom of the valve stem can move through the connecting pipe and insert into the valve body. It also includes a sealing structure made of elastic material, comprising a sealing plug sleeved outside the connecting pipe. The outer periphery of the sealing plug is threaded to the first mounting hole. The top of the sealing plug has an annular pressing edge that presses against the top surface of the countertop. An active space is formed inside the sealing plug, and the top of the sealing plug forms a conical surface. The top of the valve stem protrudes through the conical surface to connect to a knob. This product uses only one sealing plug, reducing the number of sealing rings and facilitating installation. Furthermore, the integrated design of the sealing plug and the conical surface ensures a good seal, prevents liquid leakage, and facilitates cleaning.

The present application relates to the technical field of classification processing device in the field of construction engineering, especially to a rotary drilling rig muck classification processing device, which comprises a processing box mounted on a U-shaped plate, the processing box is in the shape of a square tube, a first opening is formed in the top end of the side wall of the processing box, a second opening is formed in the bottom end of the side wall of the processing box, a separation mechanism is arranged in the processing box, an auxiliary mechanism is mounted on the processing box, and a driving mechanism is arranged outside the processing box; the dug soil is poured into the processing box, the separation mechanism is used to separate the stones and the soil, the driving mechanism is started when the stones and the soil are separated, the auxiliary mechanism improves the separation efficiency of the separation mechanism, the stones are collected by the first collecting mechanism from the first opening, and the soil flows out of the second opening and is collected by the second collecting mechanism, so that the separation effect of the stones and the soil is realized.

This utility model relates to the field of wastewater treatment technology, specifically disclosing a treatment device for fluorochemical wastewater, including a first tank and a second tank. The top of the first tank is connected to an inlet pipe, and the side wall of the second tank is connected to an outlet pipe. A partition is fixedly connected to the inner wall of the first tank, and a rectangular hole is formed on the end face of the partition. A first blocking plate is hinged to the inner wall of the rectangular hole. A filter screen is installed inside the first tank, and a rack is fixedly connected to the side wall of the filter screen. A long rod is rotatably connected to the inner wall of the first tank. This utility model uses the filter screen to block and filter wastewater, intercepting the generated flocculents. With the movement of the filter screen and the transmission of the rack and gear, the first blocking plate can be opened, achieving the effect of pushing the flocculents into a collection frame for collection. The operation is more convenient and faster. The collection frame slides inside the first tank for quick processing of the flocculents collected in the collection frame.

The utility model discloses a kind of automobile parts welding pressure mechanism, it is related to automobile parts welding fixture field, and this kind of automobile parts welding pressure mechanism includes bottom plate, supporting seat is fixed on the middle position of bottom plate top surface, and bottom plate top surface is located at the both sides of supporting seat and is provided with several groups of clamp;This kind of automobile parts welding pressure mechanism is driven by the cooperation of linear motor and guide rod cylinder, realizes the automatic transfer of welding workpiece, specifically, linear motor moves along the length direction perpendicular to bottom plate, drives support strip and transverse plate transverse displacement, and guide rod cylinder makes it accurate with the bottom surface of welding finished piece by lifting support strip through extension end, this structure significantly reduces the demand of manual intervention, realizes seamless connection of welding-unloading process, effectively shortens production rhythm, improves production line automation level.

This application discloses a vapor generation device, which includes a housing with a receiving cavity and an insertion interface located on the side wall of the housing, the insertion interface being located on the side wall of the receiving cavity and communicating with the receiving cavity. A mounting bracket is inserted into the receiving cavity and extends from the insertion interface. A clearance notch is provided on one side of the mounting bracket, extending longitudinally along the mounting bracket and reaching the first end face of the mounting bracket. A vapor forming module is located in the receiving cavity and positioned at the clearance notch. A battery is mounted on the mounting bracket and located between the vapor forming module and the display module. A control module is located in the second end of the mounting bracket and is electrically connected to the display module. The display module is located outside the housing and connected to the mounting bracket. This application has the advantages of easy assembly, reliable structure, and long service life.

This application provides a method and system for quality monitoring of Cordyceps militaris fermented beverages based on image recognition, belonging to the field of food quality monitoring technology. By collecting dynamic change data on temperature, pH value, and dissolved oxygen concentration during the fermentation process of Cordyceps militaris, and establishing a dynamic benchmark model, the current fermentation state can be determined in real time. Simultaneously, polarized structured light is used to penetrate the bottled beverage and acquire images to generate microscopic optical characteristic parameters of the beverage's interior. Based on this, the detection sensitivity of the microscopic optical characteristic parameters is dynamically adjusted according to the current fermentation state, and the dynamic benchmark model and microscopic optical characteristic parameters are integrated to calculate a potential quality risk index, thereby assessing the long-term quality risk of the beverage. This application can effectively identify potential quality problems caused by subtle process fluctuations during fermentation, thus preventing potentially hazardous products from entering the market and significantly improving the quality control level of Cordyceps militaris fermented beverages.