43results about How to "Ensure tightness" patented technology

The utility model discloses an online adjustable flow head single suction energy -conserving pump, including pump body and pump cover, be provided with the axle in the pump body, adjustable outer diameter impeller is installed to the front end of axle and passes through the pump cover, adjustable outer diameter impeller includes a plurality of blades, and the front end of blade is connected with telescopic blade through pneumatic cylinder and spring, the blade is opened with the impeller air channel, and the impeller air channel is linked with pneumatic cylinder, the pump cover is fixed with the sealed chamber, and the sealed chamber is provided with the gas path connector, and the gas path connector is used for connecting with the air compressor of outside, the axle is opened with the air channel, and the air channel one end gas path connector connects, and the other end of air channel is linked with the impeller air channel, the utility model discloses the spring resilience cooperation of pneumatic drive and adjustment impeller outlet blade outer diameter, realize the online dynamic adjustment of flow and head, make water pump always run in the best working condition to reduce energy consumption significantly.

The utility model belongs to the field of oil stain collection, concretely relates to an oil stain collection structure and yaw bearing oil discharge collection structure. One kind of oil stain collection structure, including annular strong magnet and oil stain collection pipe, the lower end of annular strong magnet with the upper end of oil stain collection pipe fixed connection, the lower end of oil stain collection pipe is provided with internal thread. The utility model's annular strong magnet can enhance the sealing performance of oil stain collection structure and yaw bearing oil discharge port, prevents waste oil leakage.

The utility model discloses injection molding machine waste gas collecting device, including main body frame, shaking mechanism, flow regulating mechanism and adjusting auxiliary mechanism, the shaking mechanism includes processing jar, drive motor, support axle, connecting hose and adding pipe, the flow regulating mechanism includes adjusting pipe, inner rotary frame, threaded rod, thread bush, moving frame, layer whirlpool board and inner fixed frame, make processing jar do regular shaking movement through drive motor drive support axle, effectively solved the problem of uneven distribution of waste gas in traditional device, and this dynamic shaking design promotes the full mixing contact of waste gas and auxiliary agent, eliminates the airflow dead angle and stratification phenomenon in processing jar, adopts the accurate transmission design of threaded rod and thread bush, drives moving frame to do linear motion through the rotation of inner rotary frame, makes the clearance between layer whirlpool board and inner fixed frame accurate and adjustable, and this design solves the problem that the waste gas flow of traditional device is difficult to accurately regulate.

The utility model relates to an electric hoist steel structure, include: support leg, its upper end connects girder, girder is I -steel structure, reinforcing rib is connected between support leg and girder, forms stable triangle support system, track one is fixedly connected in the lower extreme of girder, track two is slidably connected in the lower extreme of track one and can move along track one, electric hoist is slidably connected in the lower extreme of track two and can move along track two. Track system is composed of track one fixedly connected in the lower extreme of girder and slidably connected track two, realizes the bidirectional movement function of electric hoist. The utility model solves the problem that the existing electric hoist support structure is insufficient in stability, is limited in operation range and is inconvenient to maintain, has the advantages such as stable structure, strong carrying capacity, large operation range, high positioning accuracy, convenient maintenance, can be widely applied in the material handling operation of factory, warehouse and other places, and significantly improves work efficiency and safety.

The utility model relates to the technical field of sealing pipe, and disclose a new energy automobile battery cooling plate connecting sealing pipe structure, including the connecting seat of installation at the cooling liquid import and export department of battery cooling plate, the opening end of connecting seat is equipped with fixed pipe, and the opening end of fixed pipe is connected with infusion pipe through connecting pipe, the one end of connecting pipe away from infusion pipe extends to fixed pipe and is equipped with sealing joint, and the inner wall of one end of fixed pipe close to connecting seat has spherical surface, and the free end of sealing joint is ball head and is close to spherical surface, the one end of sealing joint close to connecting pipe is sealedly connected with the inner wall of fixed pipe through sealing washer, and the outer periphery of connecting pipe is fixedly equipped with fixed ring, the utility model discloses triple sealing mechanism of spherical surface sealing, sealing washer sealing combination mechanical locking, compared with traditional screw connection, can effectively reduce the leakage rate of cooling liquid, thereby satisfying the sealing requirement of high pressure cooling liquid environment.

The utility model relates to rainwater treatment technical field discloses a kind of hydraulic flushing door sealing devices, including fixed pipe, the outer wall front side of the fixed pipe is fixedly connected with sealing mechanism, the sealing mechanism is used to start sealing door, the inner wall middle part of the fixed pipe is fixedly connected with cleaning mechanism, the cleaning mechanism is used to clean water quality, the outer wall left side of the fixed pipe is fixedly connected with control cabinet;The sealing mechanism includes gate, the gate is fixedly connected in the outer wall front side of fixed pipe, the outer wall front side of the gate is rotatably connected with cover plate.In the utility model, fixed pipe is main body frame, the sealing mechanism of outer wall front side is responsible for the start and sealing of sealing door, the control of control cabinet of outer wall left side, when gate starts sealing door, hydraulic push rod of cover plate bottom operates, realizes intelligent management, endures severe water environment, without external power, rely on water storage gravitational potential energy conversion kinetic energy, energy saving and cost reduction.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

The utility model belongs to hand brake relay valve technical field, concretely relates to a shockproof noise reduction hand brake relay valve support, including support body, the top surface of support body is equipped with damping spring, the top of damping spring is connected with fixed frame, and the relay valve is placed in the top of fixed frame, and the relay valve bottom screw rod is connected with the nut of fixed frame screw thread, the top of nut abuts on support body bottom, the top surface of support body top surface is equipped with connecting lug, the surface of connecting lug is connected with the protective cover of first bolt screw thread, and the surface of protective cover is connected with the fixed cover of open end top surface. The utility model, through the mutual cooperation between protective cover, fixed cover, side plate, sliding slot, sliding block, adjusting Tuo, second bolt, rubber sleeve, first connecting tongue, threaded tube and second connecting tongue, utilize fixed cover and adjusting Tuo to clamp and fix the position of pipeline to be connected with relay valve, further avoid the loose of relay valve and pipeline connecting part when running, further influence the stability of vehicle.

This utility model relates to a sealing structure for a smoothie machine. The smoothie machine includes a refrigeration tank and a material cylinder rear cover. One end of the refrigeration tank connected to the material cylinder rear cover has an annular folded edge, and the material cylinder rear cover has a through hole corresponding to the annular folded edge. The sealing structure includes a sealing ring with an annular protrusion on its inner wall, the annular protrusion being flush against the outer wall of the refrigeration tank. One side of the sealing ring has a receiving protrusion, and the other side has a sealing ring, the receiving protrusion being flush against the outer wall of the annular folded edge. The outer edge of the sealing ring has an outer beveled surface, and the material cylinder rear cover has a corresponding inner beveled surface, the outer beveled surface fitting against the inner beveled surface. This utility model's smoothie machine sealing structure, through a multi-seal design of the sealing ring combined with a beveled surface guiding structure, achieves a reliable seal between the refrigeration tank and the material cylinder rear cover, effectively preventing liquid leakage.

The utility model discloses a novel automatic temperature control crystallization kettle, including cauldron body, water bath temperature control subassembly, stirring subassembly and stirring motor. The stirring subassembly is installed in the cauldron body, and the stirring motor is set on the top surface of cauldron body and is transmission connection with stirring subassembly. The water bath temperature control subassembly includes the water bath bucket of the sleeve setting in the outer wall of cauldron body, the heat conduction coil pipe of spiral shape winding setting and the upper and lower setting of the fixed slip ring, and the heat conduction coil pipe and stirring subassembly inside all form the heat conduction oil flow channel. The stirring subassembly includes the axle rod, the lifting paddle and the scraper paddle of setting on it, and the scraper paddle outside is equipped with the movable slip ring, and the movable slip ring is slidably arranged in the inner side of fixed slip ring, and is communicated with the heat conduction oil access, and the lifting paddle is equipped with the wing flow groove to enhance the heat conduction oil disturbance effect. The structure is through the stirring subassembly is included in the heat conduction loop, realizes the double -area cooperation temperature control in cauldron body, effectively promotes the temperature uniformity of crystallization material, heat exchange efficiency and system response speed, is applicable to the high -quality crystallization process requirement scene.

The utility model discloses a five-open-die hub structure die which comprises a bottom plate and side dies, the center of the top of the bottom plate is connected with a lower die, the top of the lower die is provided with an upper die, the top of the upper die is connected with an upper die plate, a plurality of sets of side dies are arranged between the bottom plate and the upper die plate, and the lower die and the upper die are arranged among the plurality of sets of side dies. A triangular block is arranged between every two adjacent sets of side dies, a liquid rising pipe is arranged in the center of the bottom of the bottom plate, a die cavity is formed between the lower die and the upper die and communicated with the liquid rising pipe, and the five oil cylinders drive the five side dies to be opened at the same time. The casting defects caused by non-uniform cooling are effectively avoided, the qualified product percent of pass of the five-spoke hub casting is greatly improved, and the improvement of the qualified product percent of pass means that the number of unqualified products is reduced in the production process, so that the production cost is reduced, and the waste of materials is reduced.

This utility model relates to the field of automotive parts technology and provides a triangular reinforced A-pillar, comprising an integrally formed reinforcing body. The reinforcing body is an inclined plate-like structure, and its overall arrangement forms a triangular layout, suitable for connection with the roof of the vehicle body and the rearview mirror. The reinforcing body includes a first reinforcing member, a second reinforcing member, and a third reinforcing member. The first reinforcing member is a long strip-like plate-like structure extending vertically, with one side of the first reinforcing member recessed inward. The third reinforcing member is an inclined long strip-like plate-like structure, with the end closer to the second reinforcing member being higher. One end of the second reinforcing member is smoothly connected to the upper end of the first reinforcing member, and the other end is connected to the third reinforcing member. This triangular reinforced A-pillar significantly improves the overall strength and compressive strength of the A-pillar, and can better absorb and disperse collision energy.

This utility model discloses a beauty instrument oxygen infusion device, including a storage bottle, a connector, an air tube, and a water nozzle. The connector is fitted onto the bottom opening of the storage bottle, and the water nozzle is installed at the bottom of the connector. The water nozzle has a water outlet channel, a water outlet, and an air inlet with an inner diameter smaller than the water outlet channel. The bottom of the air tube is inserted into the air inlet and extends into the storage bottle. The annular connecting groove on the outside of the water nozzle is inserted into the annular cylindrical structure of the connector. The top cavity of the connector is nested inside the bottom opening of the storage bottle. The design of connecting the air inlet and the air tube balances the pressure difference between the inside and outside of the storage bottle, preventing liquid leakage from the water outlet when the device is stationary. The stepped nesting structure of the connector, the storage bottle, and the water nozzle enhances the sealing performance and prevents liquid overflow. This utility model effectively solves the leakage problem caused by structural defects in existing oxygen infusion devices, reduces liquid waste and the risk of instrument corrosion, and improves equipment stability and service life.

The utility model relates to motor coil winding technical field especially, it relates to a motor coil winding device, solved the problem that the material line cannot be taut and will not break down in prior art by the force of suitable material line. A motor coil winding device, including fixed plate and winder, the surface rotationally connected with the outgoing line wheel of fixed plate, the surface fixedly connected with the installation shaft of fixed plate, the surface of installation shaft is equipped with the adjusting lever, the one end rotationally connected with the adjusting wheel of adjusting lever, the surface of adjusting lever is equipped with the adjustment groove, and the twist spring pivot is rotationally connected between installation shaft and adjustment groove, the surface fixedly connected with the guide block of fixed plate, the inside guide groove of guide block is equipped with, the surface rotationally connected with a plurality of tension pulleys of fixed plate. The utility model can protect the material line from breaking down and affecting use when the material line is straightened, ensure that the material line is taut while preventing the material line from easily breaking down.

This invention relates to a modular infusion platform for cavity drug delivery and its assembly and control method, belonging to the field of medical device and medical equipment technology. The platform includes a reusable micropump drive unit, at least one replaceable drug storage module, at least one replaceable cavity adapter release component, and a modular interface structure. The micropump drive unit includes a control unit and a micropump actuator. The control unit includes an interface for communication with an external control device and a microcontroller or control circuit. The assembly and control method includes selecting the appropriate cavity adapter release component, completing platform assembly and establishing a drug delivery path, setting infusion parameters or loading the corresponding infusion parameter set or preset dosing curve based on the selected module combination, and controlling the operation of the micropump drive unit. This invention achieves multi-cavity adaptation, multi-drug sequential or parallel infusion, and precise and controllable drug delivery.

This utility model discloses a V-type sand filter air-water backwash distributor, belonging to the field of V-type sand filters. The side wall of the V-type sand filter body is equipped with multiple water and air pipes. Each water and air pipe forms a set of air-water backwash components and corresponds to a set of filter plates. Each water or air pipe has a flow monitoring pipe connected to its outer end, and a control valve is installed at the outer end of the flow monitoring pipe to control the opening and closing of the air and water supply. The equipment employs flange connections and sealing ring designs in multiple places to ensure reliable connections and good sealing. The inlet water pipe and liquid inlet valve allow for alternating use during equipment maintenance, improving flexibility. During maintenance, disassembling the inlet and outlet pipes, flow monitoring pipes, and control valves allows for inspection and cleaning of the water and air pipes, and facilitates easy cleaning or replacement of the filter plates, ensuring continuous and stable operation of the equipment. The equidistant distribution of the air-water backwash components and filter plates ensures a uniform and efficient filtration system.

The utility model provides a quick assembly and disassembly type swivel joint relates to swivel joint technical field, including the mounting bush, the first limit ring is fixedly connected with the mounting bush outer surface, the movable bush is sleeved with the mounting bush outer surface, the rotary connection pipe is sleeved with the mounting bush inboard. In the utility model, when connecting the mounting bush and the rotary connection pipe, first need to move the movable bush to the active state, provide the space for the insertion of rotary connection pipe, after promoting the movable bush, the rotary connection pipe can enter the mounting bush smoothly, the force that adds promotes the interaction of movable ball and movable rod, forms the activity space, and further creates the condition for the insertion of rotary connection pipe, after the insertion of rotary connection pipe, the elasticity of spring makes the movable bush restore the original position, promotes movable ball movement, further drives movable rod displacement, until movable ball is guided limit groove, ensure that the rotary connection pipe is accurate limit, prevent the separation, limit groove not only limit the separation, still guarantee that the rotary connection pipe can rotate freely after the insertion.

This utility model belongs to the field of moxibustion technology and discloses a moxibustion hot compress device for dysmenorrhea relief. The device includes a container and a top cover. The top cover is located above the container. A fixing ring is fixedly connected to the inner wall of the container. A mesh bag containing medicinal herbs is placed inside the container, and the mesh bag is in contact with the fixing ring. A limiting block is fixedly connected to the lower surface of the top cover, inserted into the container, and in contact with the mesh bag. A smoke outlet is provided inside the top cover, extending to the lower surface of the limiting block. In this moxibustion hot compress device, a pressing block is inserted into the limiting hole through a threaded hole and a through hole. Rotating the handle moves the limiting block, causing it to press the positioning block downwards and move the top cover downwards to fit tightly against the container, ensuring a tight seal and stable connection between the container and the top cover. The device is easy to operate, requires minimal effort, and ensures stability during disassembly and installation.

The application discloses an oil injection port cleaning device for oil-immersed transformers and belongs to the technical field of oil-immersed transformers. The oil injection port cleaning device for oil-immersed transformers comprises a transformer body, an oil storage tank is arranged at the top rear side of the transformer body, a wiring end is arranged at the top of the transformer body, an oil injection port is arranged at the top of the oil storage tank, and a cover is arranged at the top of the oil injection port. By arranging the sliding rail and the arc-shaped cleaning plate, when the equipment is completed, the cover is pressed downward, rack two drives the arc-shaped cleaning plate to move upward, the arc-shaped cleaning plate scrapes and cleans the outer side wall of the oil injection port from bottom to top, effectively removes the oil stains, dust and other impurities that may be attached to the outer side of the oil injection port during the oil injection process, avoids the influence of the accumulation of impurities on the sealing effect of the subsequent cover or the falling into the oil storage tank, ensures sufficient contact with the surface of the oil injection port during the cleaning process, and improves the comprehensiveness and completeness of the cleaning.

This utility model relates to a butadiene deweighting tower with a leak-proof device, belonging to the technical field of butadiene production equipment. It includes a deweighting tower body and a feed cylinder connected to its top center. The top of the feed cylinder is threadedly connected to a cylinder cover. An leak-proof mechanism is provided inside the feed cylinder. A temperature control mechanism for adjusting the internal temperature is provided on the outside of the deweighting tower body. An inert gas storage tank is located on the left side of the deweighting tower body. In this butadiene deweighting tower with a leak-proof device, inert gas is introduced into the buffer zone inside the feed cylinder to ensure a positive pressure environment is formed in the feed cylinder and buffer zone. An oxygen concentration sensor monitors the oxygen concentration. Material is poured into the feed cylinder to maintain a positive pressure environment in the feed cylinder and buffer zone. A motor is started to rotate the piston plate, continuing to introduce inert gas. The inert gas supply valve is then closed. These steps effectively prevent air from entering the butadiene deweighting tower, ensuring the equipment's sealing performance and operational safety.

The utility model relates to medical instrument technical field discloses a kind of quick assembly and disassembly mechanism of extracorporeal counterpulsation device capsule, including air pipe, gas shunt connecting seat and several capsules, capsule is arranged above counterpulsation bed, every capsule is equipped with one connection male head, the both ends of air pipe are equipped with connection female head, corresponding several second connection male head are provided on gas shunt connecting seat, one connection male head and the connection female head of air pipe one end are connected with joint, second connection male head and the connection female head of air pipe other end are connected with joint.The technical scheme of the utility model can solve the problem of the existing technology that thread connection mode leads to dismounting operation cumbersome, maintenance efficiency is low and long-term use is easy to cause gas leakage due to thread wear.

The utility model belongs to lithium cell liquid injection hole sealing technology field especially, it is a kind of lithium cell liquid injection hole laser automatic sealing machine, including welding unit bottom plate, three welding unit bottom plates are linear parallel arrangement distribution, and the bottom of welding unit bottom plate is also equipped with universal wheel, and the top center of three welding unit bottom plates is provided with conveying mechanism. This lithium cell liquid injection hole laser automatic sealing machine, this lithium cell liquid injection hole laser automatic sealing machine constructs an efficient, stable, intelligent complete production solution through the modularization, automation precision design. Its core advantage lies in: first, whole production line adopts the gradual type sectional welding strategy of " prewelding-full welding-detection", effectively controls thermal stress, ensures the stability and sealing property of welding quality.

This utility model discloses a low-boiling-point working fluid circulation booster device for a ground source heat pump, belonging to the field of ground source heat pump booster technology. The circulation pipeline is connected to a main connecting pipe via a first multi-connector pipe. Multiple second control valves are connected to the side wall of the main connecting pipe. Each second control valve is connected to a second connecting pipe, and each second connecting pipe is connected to a booster pump. A first control valve is connected to the booster pump via a first connecting pipe. The multiple first control valves are connected to a connecting main pipe, which is connected to a pressure tank via a connecting pipe. The use of multiple booster pumps enhances the system's boosting capacity. In high-altitude areas, even if one pump fails, it can be quickly replaced without affecting system operation. The number of pumps can be adjusted according to altitude to ensure efficient system operation. The pressurization and depressurization mechanisms work together to enhance system flexibility and reliability. Different needs can be quickly adapted by adjusting the valves. All pipe connections have sealing rings to ensure sealing and reliability, preventing working fluid leakage.

This application relates to a motorized emergency repair device and method suitable for tunnel arch collapses on existing railway lines. The motorized repair device includes a mobile platform, a deployable protective module, a scanning module, a trimming module, and an additive manufacturing module. The deployable protective module is mounted on the mobile platform and includes an arc-shaped support arm that can be deployed to form an arched framework, and a protective net suspended from the arc-shaped support arm. The scanning module, also mounted on the mobile platform, is used to perform three-dimensional scanning of the collapsed area. The trimming module, also mounted on the mobile platform, is used to trim the rock mass contour of the collapsed area based on the data obtained from the three-dimensional scan and generate trimmed contour data. The additive manufacturing module, also mounted on the mobile platform, is used to manufacture support structure components that match the trimmed rock mass contour of the collapsed area based on the trimmed contour data. This enables safe, efficient, and precise emergency repairs for sudden situations such as tunnel arch collapses.

This utility model discloses a cranial flap resuscitation and perfusion device, including a workbench with a platform plate fixedly connected to the top of the workbench; a perfusion mechanism is provided on the top of the platform plate, and a sealing component is provided inside the perfusion mechanism; wherein, the perfusion mechanism includes an insulated box fixedly installed on one side of the top of the platform plate, and an inner liner is embedded in the inner side of the insulated box, and a liquid addition pipe is fixedly connected between the top of the insulated box and the inner liner, thereby enabling precise control of the temperature, flow rate and pressure of the perfusion fluid, simulating the human physiological environment, providing good resuscitation conditions for the isolated cranial flap, effectively maintaining the activity of cranial flap bone cells, improving the survival rate of cranial flap after reimplantation, reducing the incidence of postoperative complications such as bone flap necrosis and infection, greatly improving the efficiency of cranial flap repair and cleaning, and reducing the workload of staff.

The utility model relates to the technical field of air filters, in particular to an air filter, which comprises a front pressing plate. An adjusting groove is formed inside the front pressing plate, and a positioning groove is also formed inside the front pressing plate. The positioning groove is connected to the adjusting groove through a communication groove. A screw rod is movably connected to the inner wall of the adjusting groove, and an adjusting plate is threadedly connected to the outer wall of the screw rod. Hollow grooves are formed at both ends of the adjusting plate, and linkage columns are fixedly connected to the inner walls of the hollow grooves. A locking plate is arranged inside the communication groove, and a linkage block is fixedly connected to one end of the locking plate located inside the adjusting groove. A linkage groove is formed inside the linkage block, and the linkage column penetrates through the linkage groove. A rear pressing plate is arranged at the rear end of the front pressing plate. A positioning block is fixedly connected to the outer wall of the rear pressing plate, and a locking groove is formed on the outer wall of the positioning block. One end of the locking plate extends into the locking groove, and a filter element is arranged between the front pressing plate and the rear pressing plate. For the utility model, the installation and disassembly of the filter element can be quickly completed without tools, the operation is simple, and at the same time, the stability and sealing performance of the filter element are ensured, and the filtering efficiency is improved.

The utility model discloses a kind of adapters for sand blasting equipment, belong to sand blasting equipment accessory field, connector is connected with adapter pipe by diameter expansion pipe, connecting pipe is installed in the lateral wall of adapter pipe, the lateral wall of adapter pipe is equipped with the butt joint pipe of opposite connecting pipe, the outer end of butt joint pipe is connected with valve, the outer end of valve is connected with gas hose by tee pipe, input gas by gas hose, increase the internal pressure of adapter pipe, and opposite connecting pipe gas injection, prevent blockage;The other port of tee pipe is connected with elbow pipe, piston pipeline is installed in the upper end of elbow pipe.Diameter expansion pipe design makes adapter pipe internal cavity expand, prevent particle accumulation blockage when sand blasting.Gas injection opposite connecting pipe by gas hose input gas, enhance anti-blocking effect, ensure that sand blasting operation is continuous and stable.Diameter expansion adapter optimizes sand blasting pipeline connection, ensure smooth operation.Flexible control valve adjusts gas and cleaning agent flow rate, can improve operation efficiency, meet different sand blasting needs.

The utility model discloses flower bed tile cutting device, include: base, set up the positioning die holder of base, is provided with the channel groove of through arrangement and axial section is in the shape of wave, for the surface abutment positioning of flower bed tile through, set up the cutting assembly of base, including drive assembly and punch, the lower end of punch is in the shape of wave and with the cross section shape of channel groove matches, drive assembly is used for drive punch downward motion, to cut flower bed tile. Channel groove and flower bed tile surface wave structure accurate matching, effectively solved the traditional plane positioning die holder because of the insufficient contact area leads to the axial slip and angle deflection problem in the cutting process of flower bed tile, significantly improved the cutting positioning precision, the wave shape punch makes cutting force even distribution in flower bed tile surface, guarantees the flatness and integrity of cutting surface, thereby ensures the compactness and structural stability when the splicing of flower bed tile, reduced the assembly failure risk because of cutting bad.

The present application belongs to the technical field of gas supply system, especially to the gas container gas supply system and method, the system comprises a plurality of storage cavities, the storage cavity is provided with a clamping mechanism, the mechanism can exert vertical pressure from the bottle shoulder and simultaneously clamp from the side, realize the stable fixation of the gas storage tank, the round groove is provided with a connecting head, the outer wall of the gas storage tank valve handle is provided with a clamping groove, the outer wall of the gas outlet end is provided with a fixing ring with a specific shape insertion hole, the matching mechanism comprises a pin rod which can be inserted into the clamping groove, only when the mounting ring at the bottom of the connecting head and its pressure rod and the insertion hole of the fixing ring are correctly matched and pressed, the pin rod can be driven to rotate and separate from the clamping groove, allowing the valve handle to open, thereby preventing gas connection error, the gas supply system improves the stability of the fixation of the gas storage tank, avoids gas misconnection, and enhances the adaptation ability of the output interface.