883 results about "Valved tube" patented technology

Disclosed are examples of valve systems and methods of operating the respective valve systems. An example valve system may include a valve body, an inlet component, an outlet component and a valve tube. The valve body may include a first void and a second void. The inlet component may be coupled to the first void and the outlet component may be coupled to the second void. The valve tube may include a side port and may be positioned through the valve body and coupled to the first void, the inlet component, the second void, and the outlet component. Other valve system examples may include including a valve body, a first septum, a second septum, a first piston, a second piston and a tube. The disclosed methods describe the interaction of the respective components of the respective valve system example.

The invention discloses a wellhead device for gas production and a control system thereof.The wellhead device comprises a gas mine connecting bridge assembly and a gas connecting output mechanism, a sealing lifting sleeve is arranged above the gas mine connecting bridge assembly in a sleeved mode, and a sleeve sealing component is arranged at the top end of the sealing lifting sleeve and connected with a bolt in a sleeved mode; and the top end of the sleeve sealing component is provided with an air pipe head sealing kit which is sleeved by a bolt. According to the device, a structure with a separated state in a lining valve shell is mainly utilized to enable a powerful hydraulic telescopic frame on a top connecting frame to enable a semi-arc plug to ascend and descend, in the ascending and descending operation process, airflow is output through the lining valve shell, the airflow can be in press fit with an adaptive telescopic rod and a stress push plug, and the safety of the device is improved. And the output direction of the lining valve shell can achieve the effect of effectively adjusting the direction, so that when the gas transmission two-outlet valve pipe and the gas transmission three-outlet valve pipe are used for outputting, the effect of continuous working can still be achieved when equipment needs to be maintained.

The anti-leakage natural gas anti-freezing valve comprises a valve pipe, a base, a heating box and a heating mechanism, the heating box is installed on the top of the base and located below the valve pipe, and a valve rod is installed in the middle of the top face of the valve pipe; the heating mechanisms are symmetrically installed on the valve pipe, each heating mechanism comprises an upper heating plate, a lower heating plate, a liquid return ring, a liquid guide ring, an upper guide plate and a lower guide plate, the upper heating plates and the lower heating plates are both of an arc-shaped structure and are alternately installed on the surface of the valve pipe, and the liquid return rings are installed at the ends of the valve pipe and are connected with the upper heating plates and the lower heating plates correspondingly; the liquid guide ring is installed on the top of the valve pipe and arranged on the valve rod in a sleeving mode, and the two sides of the liquid guide ring are connected with the upper guide plate. The heating box is arranged below the valve pipe, the heating liquid circulates in the heating box and is heated, the heated liquid is led out through the pump machine, the heating mechanism is installed on the valve pipe, the heating liquid circulates in the heating mechanism, the temperature of the valve pipe, the valve element and the valve rod can be increased, and the problem that the valve is frozen in cold weather is solved.

The present invention relates to the field of valve technology, and in particular to a two-way throttle valve and an air conditioning system having the same. The two-way throttle valve includes a valve tube, a first valve core and an inner wall of a first valve port cooperate to form a first flow channel; a second valve core and an inner wall of the second valve port cooperate to form a second flow channel; when the first valve port and the second valve port are opened, the flow area of ​​the first flow channel is greater than the flow area of ​​the second flow channel, and the second valve core cooperates with the second valve port to achieve throttling. The present invention also provides an air conditioning system, which includes the above-mentioned two-way throttle valve. Compared with the prior art, the advantage of the present invention is that when the first valve port and the second valve port are opened, the flow area of ​​the first flow channel is greater than the flow area of ​​the second flow channel, thereby increasing the flow volume, so as to realize the two-way flow and one-way throttling function of the two-way throttle valve, and also to meet the requirements of low pressure and large flow under the defrosting condition.

The invention relates to the technical field of power distribution cabinet milling machining, in particular to power distribution cabinet end cover machining milling equipment and a using method thereof.The power distribution cabinet end cover machining milling equipment comprises a milling tool, the milling tool is composed of a tool handle and a threaded tool bit, and the power distribution cabinet end cover machining milling equipment further comprises a flaring scrap suction mechanism, a scrap storage mechanism, a vent valve and a sealing valve; the chip storage mechanism comprises a T-shaped pipe and a material storage tank, the T-shaped pipe is provided with a discharge port, a first through port and a second through port, a material separation net plate is arranged in the second through port, the vent valve comprises a valve pipe, a valve pin and a sliding pipe, a vent notch is formed in the top of the sliding pipe, and a connecting bent pipe is arranged between the lower end of the sliding pipe and the flaring cover. Flying chips can be blocked by a flaring cover on the flaring chip suction mechanism, so that the flying chips are prevented from flying around, meanwhile, negative pressure suction force can be generated by a second through opening in a T-shaped pipe, and finally the chips located in the flaring cover can be sucked into a storage tank to be independently collected.

The utility model provides an anti-floating structure of a shield segment, and relates to the technical field of shield tunnel reinforcement. The structure comprises a sleeve valve pipe arranged on a duct piece at the bottom of a tunnel, the sleeve valve pipe is of a fan-shaped supporting structure, and the direction of the sleeve valve pipe is perpendicular to the tunnel duct piece and extends towards the outer side of the duct piece; the first sleeve valve pipe is located at the vertically-downward position of the center of the annular tunnel. Two side sleeve valve pipes are arranged on the two sides of the first sleeve valve pipe in the radius direction forming 45-60 degrees with the center of the annular tunnel; the middle sleeve valve pipe is arranged between the first sleeve valve pipe and the side sleeve valve pipe at an interval of 10-30 degrees; and the sleeve valve pipe and the stratum are connected together through the coagulum of the grouting slurry. Before secondary grouting, the sleeve valve pipe with the bolt head is arranged at the proper position of the duct piece at the bottom of the tunnel, the duct piece is fixed underground, diffusion type grouting is conducted through the pipe wall hole of the sleeve valve pipe, after grout is solidified, the outer wall of the sleeve valve pipe and the soft soil stratum of the annular area where the sleeve valve pipe is located can be combined into a whole, and the duct piece is prevented from floating upwards.

The utility model provides a main valve and a switching valve, the main valve comprises a valve pipe, the side wall of the valve pipe is provided with a plurality of assembling holes used for installing connecting pipes, the side wall of the valve pipe is further provided with an installing hole, and the installing hole is used for installing a guide valve; and the mounting hole and one assembly hole are coaxially arranged. According to the scheme, the mounting hole and the assembly hole are coaxially arranged, machining of the two holes is facilitated, the mounting hole can be punched and formed through a punch penetrating through the corresponding assembly hole, in this way, after the assembly hole is machined, the mounting hole can be machined continuously without clamping the main valve again, the clamping frequency is reduced, and the machining efficiency is improved; and the mounting hole is formed by punching outwards from the inside of the valve pipe, so that the formed hole is a hole with an outer flange, and after the valve pipe is connected with the pilot valve, compared with an existing hole without a flange, the connecting area is longer, and the connecting strength is improved. According to the scheme, the machining efficiency of the main valve and the connecting strength of the main valve and the pilot valve are improved.

The novel adsorption assembly comprises a suction cup, a connecting pipe, a cup seat and a valve body, the suction cup comprises an adsorption face and a vacuum air channel, the vacuum air channel comprises a first air inlet and a first air outlet, the first air inlet is formed in the adsorption face, and the first air outlet is formed in the side, away from the adsorption face, of the suction cup. One end of the connecting pipe is connected with the first air outlet in the suction cup, and a through hole is formed in the cup base. According to the adsorption assembly, due to the fact that the valve pipe and the valve sleeve are matched, the on-off state of the air channel is controlled through the relative position of the first communicating hole and the second communicating hole, the elastic force deviating from the direction of the disc base is provided for the connecting rod in combination with the elastic piece, and rapid switching between the working state and the non-working state of the suction disc is achieved; the response speed and the reliability of the adsorption assembly are improved, it is ensured that the vacuum air channel is automatically closed when the suction cup is in the non-working state, unplanned adsorption is avoided, and the wafer positioning safety and the adsorption precision are improved.

The utility model relates to a safety type building curtain wall installation assembly. The safety type building curtain wall installation assembly comprises a bottom plate, a face plate and a communicating part. Elastic protruding arms are distributed on the bottom plate, first tooth faces are formed on the elastic protruding arms, and the first tooth faces can elastically deform to enable the free ends of the first tooth faces to move. A rigid arm is arranged on the panel, and a second tooth face is formed on the rigid arm. After the first tooth surface is connected with the second tooth surface, the protruding block can extend into the space between the elastic protruding arms, and a gap is formed between the opposite surfaces of the first tooth surface and the second tooth surface. And a bag part is formed on the side surface of the bump. The communicating part comprises a connecting block and at least one one-way valve pipe. An injection hole is formed in the connecting block. The one-way valve pipe comprises a valve pipe body and a connecting pipe. The valve pipe body is inserted into the communicating hole, and the connecting pipe is fixedly matched with the connecting block. Medium can be injected into the bag part from the injection hole through the one-way valve pipe, so that the bag part expands to support the free end of the elastic protruding arm. According to the utility model, the fixing state of the panel can be improved, so that the fixing state is firmer and more reliable, and the panel is easy to disassemble and assemble.

The invention discloses a heat constant control valve and a control method. The heat constant control valve comprises a valve pipe; the liquid inlet and the liquid outlet are arranged in front of and behind the valve pipe; the valve body is arranged in the valve pipe; the valve body comprises a frame, a first blade assembly and a second blade assembly, wherein the first blade assembly and the second blade assembly are installed in the frame and arranged front and back in the water flow direction. A first coil, a battery and a second coil are sequentially arranged on the frame; the first blade assembly can rotate relative to the second blade assembly, and a first magnet is arranged at the end of the first blade assembly and arranged in a package of the first coil. Mechanical energy is converted into electric energy to be stored in a battery through the energy storage process of the first blade assembly and the principle similar to a power generator at the moment; and in the active flow adjusting process of the second blade assembly, the principle similar to an engine is adopted, the flow is actively promoted or restrained, and then the high-precision adjusting process is achieved.

The invention relates to the technical field of pressure reducing valves, and discloses a high-pressure hydrogen pressure reducing valve and a using method thereof.The high-pressure hydrogen pressure reducing valve comprises a valve pipe assembly, the valve pipe assembly comprises a hydrogen filtering assembly, the two ends of the hydrogen filtering assembly fixedly communicate with valve shells, and the top of the hydrogen filtering assembly fixedly communicates with a gas valve assembly; one end of the hydrogen filtering assembly is fixedly sleeved with an electric heating ring sleeve, the other end of the hydrogen filtering assembly is rotationally connected with a fan wheel, the side face of the fan wheel is rotationally sleeved with a magnetic cutting element, the bottom of the fan wheel is fixedly connected with a rotating wheel, and one end of the inner side of the bottom of the valve shell fixedly communicates with a magnetic cylinder. The problem that groove-shaped erosion marks appear on the sealing face of the valve seat due to the fact that metal impurity particles in a pipeline of the pressure reducing valve impact the valve element and the valve seat along with high-speed hydrogen flow is solved, the metal impurity particles attached to the magnetic cylinder can be recycled, and the problems that resources are wasted and the surface of an outlet of a valve body is frosted when high-pressure hydrogen expands through throttling are solved.

The present invention relates to the field of valves, and discloses a quick-install sealing type plug valve, comprising a valve body and a valve plug. The valve body comprises a valve cavity and a valve tube. An inner wall of the valve tube is provided with an assembly inner tube extending toward one end away from the valve cavity. An assembly annular groove is formed between the valve tube and the assembly inner tube. A quick-install sealing module which is sealingly connected to a pipe to be connected is arranged in the assembly annular groove. The quick-install sealing module comprises a self-centering introduction clamping component, a sealing pressing component and a delayed air supply holding component. As the pipe is inserted into the assembly annular groove, the self-centering introduction clamping component can keep the pipe and the valve pipe in a concentric state and stably clamp them circumferentially on the outer annular wall of the pipe. At the same time, the delayed air supply holding component first compresses the gas and, after the pipe is inserted into the specified position, supplies gas to the sealing pressing component to make it expand in an annular shape and elastically seal and press against the inner annular wall of the pipe. The plug valve can be quickly installed with pipes of various sizes without using tools, and the assembly is convenient and the adaptability is significantly improved.

The invention relates to a bidirectional sealing check valve, which belongs to the technical field of valves, and comprises a check valve consisting of a valve seat, a valve pipe and a valve, the lower surface of the valve pipe is fixedly communicated with a drain pipe, and a drain hole communicated with the drain pipe is formed in the valve pipe; a sealing structure for sealing the drain hole is arranged in the valve pipe, and a connecting structure for linkage of the valve and the sealing structure is arranged in the valve pipe. A jacking structure used in cooperation with the sealing structure is arranged in the discharge pipe, and a communicating pipe is arranged between the valve seat and the jacking structure. According to the two-way sealing check valve, two-way sealing of the valve seat and the drain pipe is achieved through the valve and the sealing structure, and the water flow driving and connecting rod transmission mechanism modes are combined; the device has the advantages and advantages of efficient sealing and discharging, simplicity and convenience in operation, automation, strong adaptability, high reliability, convenience in maintenance, low cost, energy conservation, environmental protection, sustainability, improvement of production efficiency and economic benefits and the like.

The utility model relates to the technical field of dust removal equipment, and provides anti-blocking dust removal equipment, which is characterized in that three conical filter elements are sequentially arranged at the middle section position inside an outer tank body from top to bottom, three groups of flushing nozzles are arranged on the tank wall of the outer tank body, and each group comprises four flushing nozzles; the four flushing nozzles in one group are aligned to the surfaces of the conical filter elements, three cleaning liquid guide-out valve pipes which are communicated with the top surface spaces of the three conical filter elements respectively are arranged on the tank wall of the right side of the outer tank body, and four filter element anti-blocking scrapers are uniformly distributed on the top surface of each conical filter element; a rotary driving mechanism for driving the four filter element anti-blocking scrapers on the top surface of each conical filter element to rotate and scrape is mounted in the outer tank body; and a negative pressure air pump is mounted on the left side, close to the lower end, of the outer tank body. The dust removal equipment has the advantages of blockage prevention, efficient filtration, automatic cleaning and the like, is suitable for various industrial production places and environments, improves the air quality, guarantees the health of personnel, and is dust removal equipment with excellent performance.

The utility model discloses a leak detection type stop valve, which belongs to the technical field of valves and comprises a valve body, a valve cover is detachably mounted at the top of the valve body, a valve rod is rotatably mounted in the valve cover, and a valve core is fixedly mounted at the bottom end of the valve rod; a vertically-separated separation section is arranged in the valve body, and a valve port is formed in the separation section in a penetrating mode. A leakage detection valve sleeve is assembled at the bottom of the valve body in a sealed mode through threads, a leakage detection valve pipe is sleeved with the leakage detection valve sleeve, a sealing cover is fixed to the top of the leakage detection valve pipe, a plurality of flowing grooves are formed in the side wall of the top end of the leakage detection valve pipe, and a leakage detection opening is formed in the bottom end of the leakage detection valve pipe. A sliding seat is fixed on the side wall of the bottom section of the leak detection valve tube, the sliding seat is slidably mounted on a guide shaft fixed in the leak detection valve sleeve, and a spring for pushing the sliding seat to move downwards is mounted on the guide shaft in a sleeving manner. According to the leak detection type stop valve, the leak detection valve sleeve, the leak detection valve pipe and other assemblies are arranged, the sealing performance of the valve element in the closed state can be overhauled, the whole valve does not need to be disassembled, and the leak detection type stop valve is more convenient to overhaul.

The utility model discloses a cooling device for traditional Chinese medicine oral liquid production, which relates to the field of traditional Chinese medicine oral liquid production and comprises a cooling material barrel, a cooling air box and a cooling water tank are arranged on the outer wall of the cooling material barrel, the cooling air box is positioned above the cooling water tank, and a top cover is arranged on the outer surface of one end of the cooling material barrel. A discharge valve pipe is arranged on the outer surface of the other end of the cooling material barrel, a heat conduction bottom plate is arranged on the outer surface of the lower end of the cooling water tank, and a fixing support is arranged on the outer surface of the lower end of the heat conduction bottom plate. According to the cooling device for traditional Chinese medicine oral liquid production, the arranged cooling air box can achieve the air cooling effect on the cooling material barrel when in use, the cooling water tank can achieve the water cooling effect on traditional Chinese medicine oral liquid in the cooling material barrel when in use, and air cooling and water cooling can be carried out at the same time when in use; the cooling barrel can be cooled in all directions, the cooling effect and efficiency can be improved, and the cooling uniformity of the traditional Chinese medicine oral liquid can be guaranteed.

The utility model relates to a high cohesiveness polyurethane foam joint mixture anti-leakage device which comprises an aerosol tank, a valve pipe is installed on the top of the aerosol tank, a butt joint ring is fixedly arranged on the outer surface of the valve pipe in a sleeved mode, a contraction cavity is formed in the butt joint ring, a limiting rod is arranged in the contraction cavity, and the lower end of the limiting rod penetrates out of the lower surface of the butt joint ring in a sliding mode. The limiting rod is arranged in the butt joint ring and makes contact with the top of the aerosol tank, the end, located in the contraction cavity, of the limiting rod is fixedly connected with a first limiting plate, a control cavity is formed in the butt joint ring, a limiting sliding rod is arranged in the control cavity, and one end of the limiting sliding rod penetrates into the contraction cavity in a sliding mode. Therefore, the problem that the polyurethane foam joint mixture in the aerosol tank is not leaked is prevented, the loss condition is reduced, after the spray pipe is installed, limitation on the valve pipe is automatically relieved, manual operation is not needed, and a good using effect is achieved.

The invention belongs to the technical field of four-way valve pipe machining, particularly relates to a four-way valve pipe flanging machine and a flanging machining process thereof, and solves the problems of low mechanization degree and low machining efficiency. The four-way valve pipe flanging machine comprises a rack, and a feeding mechanism, a pre-checking adjusting mechanism and a positioning flanging mechanism are arranged on the rack. The feeding mechanism is used for pushing the four-way valve pipe to the pre-checking and adjusting machine; the pre-detection adjusting mechanism comprises a rotary abutting structure and a steering adjusting structure, the rotary abutting structure is used for rotating the four-way valve pipe, a penetrating detection assembly is arranged on the side of the four-way valve pipe, and the steering adjusting structure is used for removing NG materials or adjusting the orientation of qualified materials; the positioning and flanging mechanism is used for conducting rotary positioning, short pore flanging, D hole flanging machining and finished product discharging on the four-way valve pipe. The positioning and flanging mechanism comprises a transferring structure. A series of assembly line type treatment including feeding, pre-detection, steering adjustment, NG material removal, rotary positioning, short pore flanging and D hole flanging is achieved, the automation degree is high, and the machining efficiency is high.

The utility model discloses a fly ash proportioning device for a cement batching station, which relates to the field of cement batching proportioning and comprises a proportioning barrel, a sealing cover is arranged on the outer surface of one end of the proportioning barrel, a feed port and a stirring motor are arranged on the outer surface of one end of the sealing cover, the feed port is positioned on one side of the stirring motor, and the stirring motor is positioned on the other side of the proportioning barrel. A discharge valve pipe and a fixed bracket are arranged on the outer surface of the other end of the proportioning barrel, and the fixed bracket is positioned on the periphery of the discharge valve pipe. According to the fly ash proportioning device for the cement proportioning station disclosed by the utility model, the feed port is convenient for filling during use, fly ash can be conveniently filled into the proportioning barrel for proportioning, and the middle pipe in the feed port can vibrate under the driving of the vibration motor and shakes through the connecting spring, so that the fly ash proportioning device is convenient to use. The hopper can be driven to shake, the discharging inclined plate and the material distributing rod in the hopper can shake along with the hopper, fly ash in the hopper can be dispersed through the material distributing rod, and the situation that the fly ash is agglomerated can be avoided.

The utility model relates to the technical field of aluminum alloy accessories, in particular to an aluminum alloy stop valve. Comprising a valve body, the valve body comprises a valve body, and a valve cavity and a valve port are formed in the valve body; the valve pipe is connected to the valve body; the reinforcing part is arranged on the valve body and corresponds to the position of the valve port; the reinforcing part extends towards the direction of the valve pipe and protrudes out of the peripheral wall of the valve body; and the cross section of the reinforcing part is rectangular. The aluminum alloy stop valve can improve the sealing performance and prolong the service life of the valve body.

The utility model provides an electronic expansion valve which comprises a valve pipe, a valve seat part, a nut structure, a valve needle structure and a hollow noise reduction column, the valve seat part is connected with one end of the valve pipe, and the valve seat part is provided with a valve port; at least one part of the nut structure is located in the valve pipe, and the nut structure is fixedly connected with the valve seat part; the valve needle structure movably penetrates through the nut structure so as to open and close the electronic expansion valve and adjust the opening degree of the valve port. One end of the noise reduction column is in limiting fit with the valve seat part, the other end of the noise reduction column is in limiting fit with the nut structure, and the noise reduction column is arranged around the valve port and the valve needle structure; the nut structure is provided with a communication channel, and the communication channel enables the inner cavity and the outer cavity of the noise reduction column to be communicated so as to discharge impurities, remaining in the noise reduction column, in fluid. When fluid flows through the noise reduction columns, the noise reduction columns refine bubbles in the fluid for noise reduction. And impurities in the noise reduction column are discharged out of the noise reduction column through the communication channel. According to the scheme, the problem that noise is generated in the using process of the electronic expansion valve is solved, and impurity blockage is avoided.

The invention relates to the technical field of water conservancy projects, in particular to a water conservancy project concrete production device which comprises a stirring tank, the middle position of the bottom end face of the stirring tank communicates with a discharging valve pipe, a servo motor is fixedly installed at the top end of the stirring tank, and a transmission shaft is fixedly installed at the output end of the servo motor. A driving assembly is arranged at the upper end of the outer wall of the transmission shaft; a vibrating assembly is arranged at the power output end of the driving assembly; the vibrating assembly comprises a vibrating assembly seat fixedly mounted on the side wall of the stirring tank, and a vibrating rod is mounted in the vibrating assembly seat in a sliding manner. The vibrating assembly enables aggregate and cement paste in concrete to be distributed more evenly through the vibration effect, and the phenomena of gaps and accumulation between the aggregate are reduced; the uniform distribution is beneficial to keeping the stability of the aggregate in the concrete and reducing the crushing caused by mutual extrusion, so that the bearing capacity of the whole structure is improved, and the compactness, the compression resistance and the impermeability of the concrete are further ensured.

The powder feeding pipeline stop valve comprises a valve pipe and a valve body, fixing plates are symmetrically and fixedly connected to one side of the bottom of the valve body, mounting plates are fixedly connected to one sides of the two fixing plates, a first through groove is formed in one side of the top of the valve body, a grid baffle is slidably connected into the first through groove, and a second through groove is formed in the other side of the top of the valve body. The two ends of the valve pipe can be fixedly connected between two pipelines through the fixing plate and the valve pipe, the valve body is installed through the fixing plate, when maintenance is needed, the valve body is fixedly connected with the valve pipe through the fixing plate, the valve pipe is fixedly connected with the valve body through the fixing plate, and when maintenance is needed, the valve pipe is fixedly connected with the valve body through the fixing plate. Only the valve body needs to be detached independently, and convenience and rapidness are achieved.

The utility model relates to the technical field of coating processing, and discloses a water-based coating defoaming device which comprises a first processing box, a second processing box installed at the bottom of the first processing box and a feeding pipe fitting installed at the top of the first processing box, and one side of the bottom of the second processing box is sleeved with a liquid conveying valve pipe. A transition sealing structure is arranged between the bottom of the first treatment box and the top of the second treatment box, and two symmetrical bubble cutting plates are arranged on the inner side of the first treatment box in a sleeved mode. According to the defoaming device disclosed by the utility model, the defoaming device main body is composed of the first treatment box, the second treatment box, the liquid conveying valve pipe and the transition sealing structure, and the automatic bubble cutting mechanism is composed of the two bubble cutting plates, the two transmission curved bars, the two straight toothed plates, the gear assembly and the second electric push rod; and after the automatic bubble cutting mechanism and the defoaming device main body are further combined for use, bubbles existing in the coating can be comprehensively and thoroughly cut and damaged, and the treatment efficiency is guaranteed while the treatment effect is improved.

The utility model belongs to the field of mixing machines, and particularly relates to a mixing machine mixing tank structure which comprises a base, a sliding seat is slidably connected to the top of the base, a first stirring tank is fixedly connected to the top of the sliding seat, and a fixed connecting frame is fixedly connected to the outer portion of the first stirring tank. The first stirring tank is fixed to the top of the sliding seat through a fixed connecting frame, the top of the fixed connecting frame is fixedly connected with a second stirring tank, the bottom of the second stirring tank communicates with a first valve pipe, the first valve pipe communicates with the top of the first stirring tank, and the bottom of the first stirring tank communicates with a second valve pipe; a reciprocating assembly is arranged in the sliding seat; through the structural design that the reciprocating assembly drives the first stirring tank and the second stirring tank to shake, the function of driving raw materials to shake during stirring and mixing is achieved, the problems that the raw materials are mixed slowly and are prone to blockage are solved, and the mixing and production efficiency is improved.

The utility model provides a switching valve which comprises a main valve, a pilot valve and a filter part, an outward annular flange is arranged on the side wall of the main valve, a mounting hole is formed in the annular flange, the pilot valve is provided with a pilot valve pipe, one end of the pilot valve pipe is a mounting end, the mounting end is fixedly connected with the annular flange, the mounting end is provided with an end wall, the end wall is provided with a runner hole, and the runner hole is communicated with the runner hole. The flow channel hole is communicated with a cavity in the main valve, and the filtering piece is matched with the end wall and shields the flow channel hole. According to the scheme, connection of the main valve and the guide valve is achieved through connection of the installation end and the annular turned edge, communication of the main valve and the guide valve is achieved through the flow channel hole in the end wall, the filter piece is arranged to shield the flow channel hole, fluid flowing into the flow channel hole can be filtered, impurities are prevented from entering the guide valve, and the service life of the main valve and the guide valve is prolonged. Therefore, impurities are prevented from affecting normal work of the pilot valve.

The utility model discloses a lifting type check valve which comprises a water inlet pipe and a water outlet pipe arranged on one side of the water inlet pipe, a valve pipe assembly is fixedly connected between the water inlet pipe and the water outlet pipe and used for communicating the water inlet pipe with the water outlet pipe, and an opening and closing assembly is arranged in the valve pipe assembly. According to the device, when the water inlet pipe and the water outlet pipe are connected to the corresponding positions and then water flow is controlled, the valve is rotated firstly to drive the rotating shaft to rotate, the lifting position of the connecting plate is controlled through the rack, so that the position of the opening and closing assembly is controlled, the opening and closing assembly is moved upwards during clockwise rotation, and therefore the valve is opened to discharge water; when rotating anticlockwise, the opening and closing assembly is driven to be pressed downwards so as to block water flow, in the pressing process, the magnetic strip can get close to and be adsorbed to the adsorption groove, in the approaching process, the spring can be pulled downwards to be attached to the adsorption groove quickly, and by means of the structure, the effect that the flow can be adjusted and controlled while the valve is closed quickly is achieved.

The invention provides a tunnel leakage repairing device, and belongs to the technical field of tunnel maintenance. Comprising a grout storage tank, a grouting pump, a grout pumping pipe, a Tesla valve pipe, a grout inlet pipe, a grout return pipe, an expansion joint and a grouting needle, and the grout storage tank is used for storing grouting materials; the grouting pump is connected with the grout storage tank so as to extract grouting materials; one end of the slurry pumping pipe is connected with the grouting pump; a port A and a port B are formed in the two ends of the Tesla valve pipe respectively, and a port C is formed in the middle of the Tesla valve pipe and connected with the other end of the slurry pumping pipe; one end of the slurry inlet pipe is connected with a port B of the Tesla valve pipe; one end of the slurry return pipe is connected with the port A of the Tesla valve pipe, and the other end is connected with the slurry storage tank; the expansion joint is arranged on the slurry return pipe, expands when the pressure inside the slurry return pipe is higher than a first preset pressure and shrinks when the pressure inside the slurry return pipe is lower than a second preset pressure; and the grouting needle head is connected with the other end of the grout inlet pipe. The grouting pressure is easy to control, manpower can be saved, and potential safety hazards are reduced.

The utility model provides a one-way valve which comprises a valve seat, a first valve pipe and a valve element. The valve seat comprises a first assembling part, the first assembling part is provided with a first assembling face perpendicular to the axial direction of the one-way valve, and the valve seat is provided with a valve hole penetrating in the axial direction. The first valve pipe is provided with a first valve cavity, one end of the first valve pipe is connected to the first assembling face, at least part of the valve seat is located outside the first valve pipe, and the first valve cavity is communicated with the valve hole. The valve element is movably arranged in the first valve cavity. Through the design, the first valve pipe is connected to the first assembly part of the valve seat, and the valve seat is partially located outside the first valve pipe. Accordingly, effective connection of the first valve pipe and the valve seat can be guaranteed, the stability of the connecting structure is improved, the influence of rotary carving machining on the structural strength of a product is avoided, and meanwhile the problem that the one-way valve generates internal leakage at the connecting position of the first valve pipe and the valve seat is avoided.

The utility model relates to a detection mechanism and belongs to the technical field of valve detection, in particular to a valve pressure detection mechanism which comprises a valve body, a valve pipe and a detection pipe, the valve pipe is fixedly mounted on the valve body, the detection pipe is movably mounted on the valve pipe, a pressure gauge is arranged on the detection pipe, and a movable groove is formed in the position, corresponding to the pressure gauge, of the detection pipe. One end of the pressure gauge is located in the movable groove, a connecting base is fixedly installed on the pressure gauge and located in the detection pipe, a detection head is installed at the bottom of the connecting base, a driving mechanism and a sealing mechanism are arranged on the detection pipe, and the driving mechanism comprises a rotary knob, a transmission rod and a transmission block. The transmission rod is fixedly mounted at the bottom of the knob, penetrates through the top wall surface of the detection tube downwards and is positioned in the detection tube; according to the utility model, the effect of protecting the detection head when detection is not carried out is achieved, and the service life of the detection head is prolonged.