39results about How to "Easy to wrap" patented technology

This invention discloses a special consumable for a double-layer cat litter box and its preparation and usage method, relating to the field of pet cleaning products technology. The invention's upper layer of cat litter and lower layer of absorbent and deodorizing granules, through synergistic design of formula and process, form a complete pet excrement treatment system. The upper layer of cat litter is responsible for trapping and encapsulating feces and draining urine, while the lower layer of absorbent and deodorizing granules is responsible for absorbing and treating odors generated by urine and feces. The combined use of these two layers achieves a highly efficient usage mode with automatic urine seepage, direct feces removal, no need for stirring the upper layer, and regular replacement of the lower layer. This significantly simplifies daily maintenance procedures, reduces the labor intensity of pet ownership, and significantly improves the user experience for family pet cat owners.

The utility model discloses a photovoltaic module edge protector, including the protection edge, the one side of protection edge is provided with laminated piece insertion port, laminated piece insertion port's inner wall both sides all are fixedly connected with two inner support strip, the inside of laminated piece insertion port is provided with the buffer strip, the inside of protection edge is provided with the built -in steel band, the utility model discloses through special edge protector, simple edge sealing mode has solved the problem that the existing ultra -thin glass base's lightweight assembly transport handling burst and slight frame on the existing equipment cannot automatic gluing frame, the lightweight photovoltaic frame assembly and its special double -sided adhesive bonding press -type frame of the application can make the assembly of ultra -thin glass base can effectively protect the component glass edge and avoid the knocking burst, and quick realization simple frame, need not spend the new equipment of larger cost development, also need not be limited to the problem that the existing equipment cannot automatic group U type frame.

This invention relates to the field of medical biopolymer materials technology, specifically to an injectable hydrogel for kidney stone removal, its preparation method, and its application. The preparation materials include at least a precursor solution 1 and a precursor solution 2. Precursor solution 1 contains at least a polyethylene glycol derivative and a thickener, while precursor solution 2 contains at least a polyamino polymer. By optimizing the formulation ratio of the two-component precursor solutions, a hydrogel with strong conformability, good toughness, and viscosity is formed in situ in the kidney stone area. This encapsulates the kidney stone, facilitating its removal from the body and avoiding the safety hazards associated with small kidney stone fragments or conventional drug treatment.

This invention discloses an auxiliary hoisting device for a power line inspection drone, relating to the field of power line inspection technology. The invention includes a hoisting mechanism composed of hoisting arms symmetrically arranged on both sides of a platform. Fixed rods are symmetrically arranged on both sides of the hoisting arms. A fixed seat is fixedly connected to the end of the hoisting arm away from the platform. A connecting plate is fixedly connected to the inner wall of the fixed seat. A placement mechanism is arranged on the side of the connecting plate away from the fixed seat. The placement mechanism includes a housing, which is cone-shaped. A camera used for power line inspection is placed inside the housing. The housing has a streamlined outer surface, which reduces air resistance when the drone carries the housing, thus avoiding affecting the drone's flight efficiency. The fixed rods symmetrically arranged on both sides of the hoisting arms improve the connection strength between the hoisting arms and the platform, preventing the hoisting arms from bending due to air resistance, and thus preventing the housing from swaying and affecting the inspection effect.

This application relates to the field of cable installation technology and discloses a support structure for cable installation in power construction. The structure includes a mounting bracket with a groove on its outer surface. A matching sliding sleeve slides along the groove. A reinforcing bar connects the two mounting brackets, and a cable routing rod is detachably mounted inside the reinforcing bar. Several winding rods are staggered on both sides of the cable routing rod. This application achieves rapid fixing and flexible adjustment of the bracket through positioning kits and mounting blocks, adapting to various installation scenarios. The groove and sliding sleeve, combined with bolts, meet different wiring requirements. The reinforcing bar securely connects the two brackets, and the fastening design of the cable routing rod, positioning groove, and threaded rod ensures structural stability and ease of maintenance. The winding groove of the winding wheel, combined with the winding rod, facilitates cable winding, organization, and positioning, preventing cable tangling. The modular and detachable design of each component makes installation, adjustment, and maintenance more convenient and efficient.

This invention provides an energy storage container and a mobile energy storage vehicle, comprising: a container body, an energy storage unit, and a cable winding system; the container body has an energy storage compartment and a cable winding compartment; the energy storage unit is housed in the energy storage compartment; the cable winding system is housed in the cable winding compartment; the cable winding system includes a cable reel, multiple reels, and multiple cables; the cable reel is rotatably connected to the container body and located within the cable winding compartment; multiple reels are spaced apart on the cable reel to rotate with it; a winding compartment is formed between any two adjacent reels; the multiple winding compartments are used for winding and storing multiple cables; the reels located between two reels at both ends of the cable reel are adjustable reels, which can move axially along the cable reel to adjust the axial spacing between any two adjacent reels. When the energy storage container is in use, the multiple winding compartments can each hold cables, allowing staff to select different quantities and lengths of cables as needed, thereby improving the utilization efficiency of the energy storage container.

The application discloses an automatic cleaning device for ship anchor chain, which comprises a main frame and a self-collection cleaning mechanism. A clamping assembly for positioning and fixing is fixedly installed on the lower section of the longitudinal guide rod in the auxiliary frame, and a clamping assembly for positioning and fixing is slidably connected to the upper section of the longitudinal guide rod, and the two clamping assemblies are driven to move on the anchor chain in a peristaltic mode. Angle-adjustable screw propulsion assemblies are installed on the left and right frame bodies of the annular carrier in the clamping assembly, and are driven to move underwater. The self-collection cleaning mechanism is movably arranged in the frame of the main frame, and is rotated to clean the anchor chain. The automatic cleaning device for ship anchor chain is provided in a closed mode, so that the cleaning objects are prevented from being dispersed in seawater, the cleaning objects are concentrated and collected, the cleaned anchor chain is prevented from being newly polluted, and the cleaning device itself is prevented from being interfered.

This invention relates to the field of electronic paste preparation technology, and discloses a low sheet resistance tungsten-copper electronic paste and its preparation method, comprising the following steps: Step 1, preparing tungsten-copper composite powder: spherical tungsten powder with a diameter of 1-10 μm and copper powder with a size of 1-3 μm are mixed by mechanical mixing, with a tungsten to copper weight ratio of 3:1-6:1. Before mixing, the copper powder needs to undergo graphene coating pretreatment; Step 2, preparing an inorganic binder: the inorganic binder includes, but is not limited to, the following components: glass powder, CuO, TiO2, La2O3, Pu6O11; Step 3, preparing an organic carrier: the organic carrier includes a solvent, an organic binder, and a thickener; Step 4, preparing the tungsten-copper paste. The tungsten-copper paste of this invention has widely available raw materials, a simple preparation process, and is suitable for mass production. Although graphene, a high-priced material, is added, the amount added is small and the performance is particularly excellent, making the cost of the tungsten-copper paste of this invention far lower than that of similar foreign products, resulting in a very high cost-performance ratio.

This invention discloses a high-compact, high-capacity lithium iron phosphate cathode material and its preparation method. Using iron phosphate and iron hydroxide as a mixed iron source, a two-step synthesis method is employed. First, the two raw materials are ground to one large particle size and one small particle size. The large particle size is sintered at two different temperatures to prepare large and medium particles, while the small particle size is sintered at two different temperatures to prepare small and ultra-small particles. Then, the large and medium particles are mixed and ground to a large particle size, and the small and ultra-small particles are mixed and ground to a small particle size. The mixing of large and small particle sizes increases the particle size distribution, and sintering yields the high-compact, high-capacity lithium iron phosphate cathode material. The mixing and grinding of multiple particles in this invention further increases the particle size distribution and improves the compaction density of the cathode material. The use of a low-molecular-weight carbon source in the first sintering stage is beneficial for particle coating and improves particle roundness. The use of a high-molecular-weight carbon source in the second sintering stage constructs a continuous conductive network, ensuring the material's capacity is fully realized.

This utility model discloses an easily adjustable tomato vine climbing frame, including a climbing frame with a walking frame slidably connected to one side surface of the climbing frame via a sliding groove. Several support rods and connecting rods are fixedly connected to the inner wall surface of the walking frame. Several support holes are drilled through the middle of each support rod, and a telescopic ring is fixedly connected to one end of each connecting rod. This utility model, by setting support rods and support holes, ensures the stability of the tomato vine during climbing, reducing the risk of it falling off. It also allows for height adjustment according to the growth of the tomato vine, achieving both stable and adjustable climbing. By setting connecting rods, telescopic rings, and a support net, it can expand according to the growth of the tomato, ensuring support for the tomato and preventing the tomato vine from breaking or falling due to excessive weight, thus protecting both the tomato vine and the tomato.

The utility model relates to a seat ring, a toilet cover and a toilet, relate to closestool and its spare part device field, including the seat contact surface that is made of two left and right symmetrical curved surface smooth connection, wherein, the inside edge height of curved surface is lower than the outside edge height, a certain extrusion is caused to abdomen during defecation process can help defecation, and the height difference between the inside edge of curved surface and the outside edge of curved surface gradually reduces from back to front, and curved surface is equipped with first arc surface to fifth arc surface that are sequentially smooth connection from back to front, each arc surface can be applicable to the user of different seat position, avoid the discomfort of the user produced because of the seat subsidence leads to leaning back, simultaneously, each arc surface is contacted in the different position of user's hip and thigh, has strengthened the wrap of seat ring to hip, reduced the extrusion of arm and thigh root nerve, improved the comfort of defecation.

The utility model relates to the field of flame -retardant fabric, concretely relates to a flame -retardant fabric and chair cover, including mutually connected surface layer, middle layer and bottom layer, the surface layer is three -dimensional dense note plane layer, the middle layer is honeycomb set loop warp -knitted layer, the bottom layer is netted plane layer, the honeycomb set loop warp -knitted layer is by GB1 and GB2 two bearded comb warp -knitted and is knitted, GB1's organization structure is 1 0 / 1 2 / 1 0 / 1 2 / 2 3 / 2 1 / 2 3 / 2 1 / / , GB2's organization structure is 2 3 / 2 1 / 2 3 / 2 1 / 1 0 / 1 2 / 1 0 / 1 2 / / , set up three -dimensional sealing plane layer and netted plane layer in honeycomb set loop warp -knitted layer both sides, effectively improve the overall wrapping performance of fabric, improve the support performance and ductility of fabric through the honeycomb set loop warp -knitted layer located in the middle layer, avoid the phenomenon that the passenger is not suitable after sitting for a long time.

This utility model relates to the field of foldable chain technology, specifically a foldable chain storage and retrieval device. It includes a housing with an opening on one side, and further includes: a winding shaft rotatably disposed within the housing for winding multiple chains; a motor located on the side wall of the housing, with its output end penetrating into the housing and fixedly connected to the winding shaft for driving its rotation; partitions, multiple partitions evenly fixed within the housing to prevent chains from tangling; a locking mechanism including a fixing plate and a locking unit, the fixing plate being fixedly disposed on the winding shaft between the partitions for quickly locking the chain ends to the winding shaft; and a pressing mechanism including a pressing unit and a pressing plate, disposed on the upper side of the housing between the partitions for limiting the position of the stored chains. This utility model facilitates the storage and retrieval of multiple foldable chains, occupies little space, has high storage and retrieval efficiency, and prevents chains from tangling.

The utility model relates to the probe structure field of mine ultrasonic detector relates to a kind of probe structure of mine ultrasonic surrounding rock fissure detector, including measuring rod, detector probe and acoustic lens mounting frame and probe installation component, the threaded portion on the measuring rod is equipped with detector probe, in the utility model, the limiting hole thread of guide rod is passed through with buckle bolt, so that guide rod and protective frame are screwed together by buckle bolt thread, acoustic lens protective shell can be on guide rod by sliding sleeve, sliding, acoustic lens protective shell can be slidably protected on detector probe and acoustic lens mounting frame, canvas connecting cover can be protected at the connecting place of detector probe and acoustic lens mounting frame, can dustproof and insulation protection is carried out to detector probe and acoustic lens mounting frame, canvas connecting cover and acoustic lens protective shell play anti-aging or joint wear to mine probe sealant, extend the service life of mine probe, avoid probe maintenance in mine.

The utility model discloses a kind of fabricated steel support devices, it is related to supporting device technical field.The fabricated steel support device, comprising: a base, two columns, opposite and vertically set in the top of the base;A connecting piece, along horizontal direction is set between two the column, and close to the top side of the column;And two locking pieces, respectively ring set in the base, and respectively with the bottom of two the column is connected;Wherein, by the locking piece, two the column and the connecting piece can be detachably set on the base, to fix different models of steel support.The utility model, although it is realized that steel support body can be more stable to the current support assembly type hoop, but it still has single steel support hoop weight, not easy to install, and welding workload is big, welding quality is not easy to control, using gas cutting means disassembly, after demolition, most of scrap processing, greatly reduce material turnover utilization, increase construction cost problem.

The utility model relates to the technical field of wire carding appliance, concretely refers to a kind of electrocardio monitoring wire carding ware, first side plate and second side plate are inserted in the opposite end on base plate, first baffle and second baffle are also equipped between the first side plate and the second side plate, winding shaft is rotatably connected and is arranged between the first side plate and the second side plate, spring is equipped between the first side plate and the first baffle, one end of the spring is fixedly connected on the first baffle, the other end of the spring is fixedly connected on the winding shaft side wall, first cover plate is connected between the first side plate and the first baffle, second cover plate is connected between the second side plate and the second baffle.The utility model is convenient to operate, and the winding and release of wire are convenient, can effectively arrange and store electrocardio monitoring wire, keep its orderly arrangement, can conveniently adjust the position of device and the combined use of multiple carding ware.

This application discloses a low-temperature insulation sleeve for drone batteries, relating to the field of battery insulation technology. Its key technical features include: a flexible protective sleeve made of double-layered fabric; the outer fabric is the outer protective layer, and the inner fabric is the inner insulation layer; the inner insulation layer contains an independent pocket for installing a self-heating module; the upper end of the flexible protective sleeve has a battery placement opening communicating with its internal space, and an adjustment component is provided on the battery placement opening at the upper end of the flexible protective sleeve to adjust the tightness of the opening. This low-temperature insulation sleeve for drone batteries is not only convenient to carry but also provides excellent encapsulation and protection for the drone battery, enabling uniform heating and insulation within the battery.

This utility model relates to a stable LED strip with a waterproof connector, belonging to the technical field of LED strip products. The stable LED strip with a waterproof connector includes: an LED strip mechanism; a waterproof connection mechanism and a power supply mechanism. The power supply mechanism includes a power cord and a power head. The waterproof connection mechanism includes an LED strip sliding sleeve, a connecting sliding sleeve, an inner sealing strip, an outer sealing strip, a positioning component, and a connecting component. The LED strip connector and the power head are connected by the connecting component. First, the inner sealing strip provides initial waterproofing. Then, waterproof tape is wrapped around the connection between the LED strip connector and the power head for secondary waterproofing. The LED strip sliding sleeve and the connecting sliding sleeve are then connected by the connecting component, and the waterproof tape is wrapped around the LED strip sliding sleeve and the connecting sliding sleeve. Simultaneously, an outer sealing strip is placed between the LED strip sliding sleeve and the connecting sliding sleeve for tertiary waterproofing, thus ensuring the connector is waterproof while preventing the waterproof tape from peeling off over long-term use.

The utility model relates to the field of cushion, especially disclose a cushion of car seat, including the headrest cover of bottom opening inside hollow, the cushion, its characterized in that, be equipped with the lengthened mouth of the bottom of headrest cover, the bottom of lengthened mouth is equipped with the elastic cloth of the sleeve tight seat neck part, the back of cushion protrudes and inserts the cotton strip piece of the gap between the seat back and seat connection, the bottom of cushion extends downward and is used for surrounding the apron of seat side, apron extends to the bottom of seat side.

This application relates to the field of hand tool technology, and in particular to a socket wrench, comprising a hand crank arm and at least one socket connected to one end of the hand crank arm. The socket has a polygonal adapter hole in its center. Each side of the polygonal adapter hole includes a first limiting surface, a second limiting surface, and a groove. The two limiting surfaces are respectively located at both ends of the groove and extend obliquely outward from the hole, so that the polygonal adapter hole forms a clamping profile with a certain containment margin. This application can effectively expand the adaptation range, accommodating multiple nut specifications in the same hole position, thus enhancing versatility. The overall structure is simple and reliable, and operation is convenient. It is especially suitable for confined spaces and poor visibility scenarios, significantly improving assembly and maintenance efficiency.

This utility model discloses a branch pipe unblocking device with pulse backflushing function, specifically relating to the field of branch pipe unblocking technology. It includes a housing with a partition plate fixedly connected to the middle of the housing. The inner cavity of the housing is divided into an equipment cavity and a water storage cavity by the partition plate. A first partition plate and a second partition plate fixed to one side of the first partition plate are fixedly connected to the equipment cavity at the top of the partition plate. This utility model first uses a high-pressure air compressor to generate high-pressure air, which is then converted into a pulse airflow by a pulse generator and sequentially input into the interior of the connector. Simultaneously, a water pump is activated to input liquid into the interior of the connector. By tightly connecting the connector to the inlet of the branch pipe to be unblocked, a pulse backflushing technology combining the impact force of the pulse airflow and the flushing force of the water flow is achieved. This effectively removes blockages of different types and locations within the branch pipe, achieving rapid and thorough unblocking and significantly improving unblocking efficiency.

The application discloses a rotation angle limiting monitoring device and relates to the technical field of video monitoring.In the application, the camera shell has an abutting part; the gear comprises a core body and gear teeth, the side peripheral surface of the core body is divided into a toothed area and a non-toothed area, the gear teeth are arranged in the toothed area, a first camera is partially arranged in the camera shell, is connected with the core body, is rotatably connected to the camera shell, the abutting part is arranged adjacent to the non-toothed area and is used for abutting against the gear teeth to limit; a driving assembly is installed on the camera shell, is in meshing transmission with the gear teeth and drives the first camera to rotate.The application drives the first camera by the gear of the driving assembly, so that the first camera rotates, and the rotation of the first camera can be controlled according to needs.In addition, the rotation angle of the first camera is limited by arranging the physical structure abutting part and limiting the distribution of the gear teeth, so that the rotation angle is limited, and the problem of cable winding is improved.

This invention discloses a portable pump with adjustable length, comprising a front rod, a tail rod, and at least one intermediate rod. The front rod has a pump head assembly, and the tail rod has a handle assembly connected to its tail end. The tail end of the front rod has a first connecting piece, one end of the intermediate rod has a first connecting piece, the other end has a second connecting piece, and the front end of the tail rod has a second connecting piece. The first and second connecting pieces are detachably connected. The pump head assembly includes a motor mounting base, a motor, an impeller, and a filter. The motor mounting base is fixedly connected to the front rod, and the motor is fixed within the motor mounting base. The impeller is detachably mounted on the motor's output shaft, and the filter is detachably mounted on the motor mounting base. This invention allows for flexible adjustment of the overall pump length to adapt to different usage scenarios by selecting different numbers of intermediate rods for splicing. Simultaneously, both the impeller and filter adopt a tool-free, detachable structure, facilitating daily cleaning and maintenance for users, significantly improving operational convenience and equipment reliability.

The application provides a circuit board and a manufacturing method thereof. A medium layer source, i.e., a resin source, is divided into multiple parts, i.e., a top medium layer above a buried device and an intermediate medium layer between core boards. In a pressing process, the top medium layer above the buried device fills a gap between an upper frame (a second core board) and the buried device, and the intermediate medium layer between the core boards quickly fills a gap between a lower frame (a first core board) and the buried device. The vertical distance of resin flow is greatly reduced, the resin flowability is greatly improved, the problem of insufficient filling caused by insufficient resin flowability or mismatched curing speed can be effectively avoided, the problem of insufficient glue filling capacity of a traditional single-frame design when processing a large-thickness component is solved, and the reliability and stability of the buried device are improved.

This application relates to the technical field of wire harness production, and in particular to a wire harness tape winding device. A support is provided below a worktable, and a drive assembly for transmission is located on the outer side of the worktable. An inner support assembly is arranged in a circular array above the worktable, and a pushing structure is located below the inner support assembly. Each pushing structure drives its respective drive assembly to rotate within a range of 90°–120°. This solution utilizes a movable slot on the worktable, with the inner support assembly rotatably positioned inside the slot. The inner support assembly is driven by an electric push rod below it, achieving rotation within a 90–120° range. This allows for both winding and easy release of the wire harness, facilitating tape winding.

The utility model discloses a kind of antifouling structure, camera and electronic equipment, the antifouling structure, for reducing PCB on organic volatile material pollution image sensor, comprising: condensing piece, between PCB and image sensor, condensing piece inside is provided with containing chamber, bottom is equipped with drawing port;Refrigeration part, cold end is connected with condensing piece, for cooling condensing piece makes condensing piece temperature lower than image sensor, to make organic volatile material condense on condensing piece;Wherein, image sensor is located in containing chamber and front end is opposite drawing port, so that its non-drawing face is wrapped by condensing piece, to block organic volatile material diffusion to the volatile path of image sensor.The utility model in, by making organic volatile material preferentially condense on the condensing piece of lower temperature, to reduce organic volatile material volatilization to image sensor, optimize the working environment of image sensor, improve image acquisition quality and service life.

The utility model provides a tension control device for winding a sealing tape, which comprises a shell with an opening at one end, a mounting shaft is arranged inside the shell, a first through hole is arranged on the mounting shaft, the first through hole penetrates through the mounting shaft and the shell, a belt wheel wound with the sealing tape can be sleeved on the mounting shaft, and the sealing tape is wound on the belt wheel. A protrusion is arranged on the outer cylindrical face of the mounting shaft and abuts against the inner wall of a second through hole in the belt wheel, when the sealing belt is wound, the sealing belt drives the belt wheel to rotate around the mounting shaft, the inner wall of the second through hole in the belt wheel and the protrusion generate relative displacement, and then the inner wall of the second through hole in the belt wheel and the protrusion generate friction resistance. The friction resistance can be transmitted to the sealing belt through the belt wheel, then the tension of the sealing belt can be controlled through the friction resistance, when a worker winds the sealing belt on a pipeline, the sealing belt can continuously and stably keep certain tension, the sealing belt cannot be too loose or too tight, the winding quality is improved, winding of the worker is facilitated, and meanwhile the winding work efficiency is greatly improved.

This utility model discloses a rapid packaging machine for water-hole blasting waterproof explosive rolls, including a stepper motor, a geared motor, and a hydraulic rod. A frame is fixedly connected to the lower ends of the stepper motor and the hydraulic rod. A turntable is rotatably mounted on the housing of the stepper motor, and the output shaft of the stepper motor is fixedly connected to the turntable. A lifting frame is fixedly connected to the upper end of the hydraulic rod, and a rotating rod is rotatably mounted on the lifting frame. The housing of the geared motor is fixedly connected to the lifting frame. The film of a first film roll is attached to the water-hole blasting waterproof explosive roll. An external power supply drives the geared motor to rotate the rotating rod, which in turn causes the water-hole blasting waterproof explosive roll to roll longitudinally around the film of the first film roll. After completion, the power supply to the geared motor is disconnected, and the hydraulic rod is driven to retract, cutting the film between the first film roll and the water-hole blasting waterproof explosive roll. This eliminates the need for flipping and winding, improving packaging efficiency.

This invention discloses a high thermal conductivity and electromagnetic shielding polyimide coating and its preparation method, belonging to the field of polyimide coating technology. The coating comprises the following raw materials in parts by weight: 32 parts of diamine monomer, 33 parts of dianhydride monomer, 582 parts of organic solvent, and 3.4-11.5 parts of nitrogen-doped helical carbon nanotube-supported carbon nanofibers. The preparation method includes the following steps: ultrasonically dispersing nitrogen-doped helical carbon nanotube-supported carbon nanofibers in an organic solvent; then, under nitrogen protection and an ice-water bath condition, dissolving the diamine monomer in the dispersion; and then adding the dianhydride monomer to carry out a polycondensation reaction to obtain a high thermal conductivity and electromagnetic shielding polyimide coating. This invention, through an integrated design of "composition-structure-interface," constructs an efficient and stable three-dimensional multifunctional network within the polyimide matrix, achieving a synergistic improvement in the coating's electromagnetic shielding and thermal conductivity performance, providing an ideal material solution for the field of high-end electronic packaging and protection.

The utility model discloses a zero leakage knife gate valve, it includes support, is equipped with the valve body in support bottom, both sides of support top are equipped with the support plate, is equipped with the cylinder in the support plate top, is equipped with the valve plate in the cylinder output, is equipped with the sealing assembly in the valve body circumference inner wall bottom, both sides of support side wall are equipped with the connecting component, this kind of zero leakage knife gate valve, through opening cylinder drives valve plate to move and passes through the slot and enters the containing groove, the convenient control fluid medium flow, the sealed ring is wrapped valve plate conveniently, effectively improves the sealing effect, after long -term use, the dial dial plate drives two moving plates to move inwards simultaneously to make the sealing plate move and separate from the recess, takes out the mounting ring and extracts the sealed ring and carries out the replacement, avoids the sealed ring wear and tear and influences the sealing effect, and the mounting ring is more closely attached with the valve body, improves the sealing performance, secondly, the external pipeline is inserted into the mounting groove, and the connecting component is convenient for improving the stability, makes the knife gate valve installation more convenient.