20results about How to "Consistent pressure" patented technology

The utility model provides a PP flexible sealing pipe fitting, and belongs to the technical field of pipelines. The problem of how to improve the sealing performance is solved. The PP flexible sealing pipe fitting comprises a tubular body and a hoop detachably connected to the outside of the body, a sealing ring is arranged in the body, a limiting protruding part protruding outwards is arranged on the outer side wall of the body in the circumferential direction, a mounting groove is formed in the position, located on the inner side of the limiting protruding part, in the body in the circumferential direction, and the limiting protruding part is arranged in the mounting groove. A limiting groove is formed in the inner side wall of the hoop in the circumferential direction, the sealing ring is embedded in the installation groove, and the limiting protruding part and the sealing ring are both embedded in the limiting groove so that the hoop can be axially located on the body. The PP flexible sealing pipe fitting can ensure higher sealing performance.

The utility model relates to the technical field of spraying, and discloses a granite surface scratch-resistant wear-resistant coating spraying device which comprises a coating barrel and a moving trolley, the right end of the inner wall of the coating barrel is fixedly connected with a fixing strip, the left side of the fixing strip is fixedly connected with a motor protection shell, and the top of the inner wall of the motor protection shell is fixedly connected with a servo motor. The output end of the servo motor is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a plurality of stirring shafts, the middle of the outer wall of the rotating shaft is fixedly connected with two scraping plates, the middle of the inner wall of the coating barrel is fixedly connected with a liquid separation plate, and the right side of the top end of the liquid separation plate is fixedly connected with an electromagnetic valve. According to the utility model, the servo motor drives the rotating shaft, the stirring shaft and the scraper blade to stir the coating, the electromagnetic valve accurately controls the spraying component, the stirring and heating functions are realized through cooperation of a plurality of components, the coating is prevented from being solidified, the coating is saved, the efficiency of the device is improved, and the quality is ensured.

The utility model relates to tissue embossing technical field, especially a kind of tissue embossing device, and fixing frame is provided for driving the lifting adjustment component of upper embossing roller to do lifting movement;Fixing frame is provided for driving the power component of lower embossing roller rotation;Upper embossing roller and lower embossing roller are all fixed with synchronous wheel;Two synchronous wheels are tensioned with synchronous belt;The both sides of synchronous belt are all provided with horizontal sliding seat slidingly connected on fixing frame;The both sides of horizontal sliding seat are respectively rotatably connected with roller and press wheel;The press wheel of both sides is respectively pressed in the both sides of synchronous belt;The both ends of steel cable are fixed on pull lifting adjustment component;Pull lifting adjustment component is set on the symmetry axis of two rollers;Steel cable is sleeved on the wheel body of two rollers.In using the utility model, on the basis of guaranteeing the consistent pressure of both sides of synchronous belt, the debugging difficulty of pressing device is reduced, and steel cable is convenient for overhaul, and cost is lower.

The application provides a sensor based on structure and liquid medium coupling and a working method thereof, and belongs to the technical field of sensors. The sensor comprises an elastic element with an inner cavity, the side of the inner cavity of the elastic element is provided with a MEMS chip, one end of the MEMS chip is connected with a signal line, the other end of the signal line is connected with an external signal receiving device through the elastic element, the inner cavity is filled with a pressure guiding liquid, and the pressure guiding liquid is in contact with a pressure sensing diaphragm of the MEMS chip. The pressure guiding liquid is used for nearly lossless pressure transmission, the pressure acting on the pressure sensing diaphragm of the MEMS is highly consistent with the external pressure, the hysteresis and friction loss of traditional mechanical transmission are avoided, precise and rapid signal sensing is realized, a full-sealed unit is formed through welding and other processes, the internal pressure guiding liquid is not exchanged with the outside, and the stability of the sensor under harsh working conditions such as humidity, oil dirt and high temperature is greatly improved.

This invention relates to a coating device for a winding machine, comprising a fixed plate and several coating units. The fixed plate has a through hole in its center for a sample to pass through. The coating units are evenly arranged along the outer circumference of the through hole and are movably connected to the fixed plate. Each coating unit has a cutting part for cutting the wire end and a pressure sensor for detecting the coating pressure. A heating unit for heating the sample surface is provided on the fixed plate on one side of each coating unit. The advantages of this invention are: by using pressure sensors on the coating units to detect the coating pressure in real time, the position of the coating units can be adjusted according to the pressure signal, thereby ensuring that the pressure remains consistent throughout the coating process, avoiding excessive coating pressure that could damage the sample, improving the uniformity of the coating layer, and reducing the scrap rate. Furthermore, this invention also provides a winding machine including the aforementioned coating device.

The utility model discloses a textile color fastness testing arrangement relates to color fastness testing arrangement technical field, and its technical scheme is: including frame component, be equipped with test drive assembly in frame component, test drive assembly top is equipped with test movable assembly, frame component top is equipped with test pressure assembly, and the beneficial effect of a kind of textile color fastness testing arrangement is: through electric push rod in test pressure assembly provides controllable driving force, cooperate pressure sensor and pressure display to realize the real -time monitoring and accurate adjustment of friction pressure, replace traditional pressure plate deadweight pressure mode, effectively avoid the pressure fluctuation caused by mechanical vibration, sample surface unevenness etc., ensure that actual friction pressure is consistent with preset value, greatly improve the accuracy and repeatability of test result, simultaneously, operator can adjust pressure value according to different textile types quickly, need not to replace pressure plate, and operation efficiency is significantly improved.

The utility model discloses a mask taking auxiliary mechanism for mask cloth, which comprises a mask lifting mechanism and at least one mounting pressure ring, and the mask lifting mechanism comprises a lifting mounting seat and a lifting cylinder arranged on the lifting mounting seat; the installation pressing rings are arranged above the lifting installation base, each installation pressing ring is provided with a detection calibration block, a photoelectric sensor is arranged above each detection calibration block through a support, and a plurality of brush assemblies are evenly distributed on the upper end face of each installation pressing ring; an upper magnet is arranged near each brush assembly; a lower magnet is arranged under each upper magnet, and each lower magnet is arranged on the lifting installation base through a linear bearing. According to the mask taking auxiliary mechanism for the mask cloth, it can be guaranteed that the mask cloth is flat in the mask taking process of the stacked mask cloth, it is guaranteed that the heights of the stacked mask cloth are kept consistent when the mask taking tail end executor grabs the mask cloth, and therefore the success rate that the mask taking tail end executor grabs the mask cloth is increased.

The ultrathin sheet combined injection mold comprises an upper fixing plate and a lower fixing plate, a sprue is formed in the upper fixing plate, the lower portion of the upper fixing plate is connected with a shunting positioning block, the sprue is communicated with a shunting plate, the shunting plate is located in the shunting positioning block, and the shunting plate is communicated with at least two groups of shunting glue injection pipes; the die further comprises an upper die plate and a lower die plate, the lower die plate is located on the lower fixing plate, and a die cavity is formed between the upper die plate and the lower die plate. According to the scheme, uniform pressure relief holes are formed in the inner periphery of the mold cavity, it is guaranteed that the pressure in the mold cavity is uniform during glue injection, sheet deformation caused by the pressure on a metal sheet in the mold cavity is reduced, a product can be positioned through the arranged sheet positioning needle, and the pressing force is guaranteed through the sensor; ejection of an ejector plate is omitted, the product can be demolded by slightly pushing the sheet positioning needle for pressing the product, the problem of deformation of the ejected product is solved, and the injection molding qualification rate is improved.

The invention relates to the technical field of water body sampling, and discloses a water body stratified sampling device for water quality detection, the water body stratified sampling device comprises a support column, the top of the support column is fixedly connected with a fixing ring, one end, far away from the support column, of the fixing ring is fixedly connected with a shell, and the outer wall of the shell is fixedly connected with a fixing block; the fixing block is fixedly connected with the fixing ring, the end, away from the fixing ring, of the supporting column is rotationally connected with a fixing assembly, a telescopic rod is arranged in the shell and fixedly connected with the top of the shell, and the bottom of the telescopic rod is fixedly connected with a fixing rod. The end, away from the telescopic rod, of the fixing rod is fixedly connected with a connecting rope, and the end, away from the fixing rod, of the connecting rope is fixedly connected with a traction ball, so that water bodies with three different depths can be sampled at the same time, the working efficiency of equipment is improved, the impact resistance of the sampling pipe is improved, and the sampling pipe is prevented from inclining in the sampling process; the sampling precision is improved.

The invention discloses a nozzle core and nozzle cap assembling structure which comprises a nozzle core and a nozzle cap, the nozzle cap is coaxially assembled on the nozzle core, a nozzle is formed in the top end of the nozzle core, a plurality of obliquely-distributed first through holes are formed in the arc face, close to the nozzle core, of the lower portion of an inner cavity, and the first through holes are low in the outer portion and high in the inner portion. A plurality of second through holes are formed in the cylindrical surface below the nozzle core, the nozzle core and the nozzle cap are assembled to form a plastic steering cavity, and the plastic steering cavity is communicated with the first through holes and the second through holes respectively. The nozzle core and the nozzle cap which are coaxially assembled are adopted, the plastic steering cavity is formed between the nozzle core and the nozzle cap, and plastic enters from the nozzle core, then enters the plastic steering cavity formed between the nozzle cap and the outer wall of the nozzle core from the first through hole and finally enters the nozzle core from the second through hole in the nozzle core, so that the plastic is mixed in the transverse direction; and finally, the pressure of the plastic is consistent, the problems of pressure difference and speed difference of the plastic are solved, and the problem of fusion lines in the prior art is solved.

The utility model relates to a blowpipe for forming an air curtain, and belongs to the technical field of devices for air curtains. A blowpipe for forming an air curtain comprises a blowpipe body provided with an air outlet, and is characterized in that a duckbilled structure is mounted on the pipe wall of the blowpipe body; the duckbilled structure comprises an upper plate, a lower plate, a front plate and sealing plates at the two ends, the upper plate, the lower plate and the front plate are spliced in a trapezoidal structure, and an air curtain air opening is formed in the front plate; flow guide plates are mounted at the splicing part of the upper plate and the front plate and the splicing part of the lower plate and the front plate; a wind shielding plate is arranged at the air outlet and located in the air blowing pipe body, and the wind shielding plate is fixed to the inner wall of the air blowing pipe body through a supporting plate. The blowpipe designed by the utility model has the advantages of stable strength of a formed air curtain and long distance.

The utility model relates to a fixed circulating pool sampling device, including sampling pump, main pipeline, pool insertion pipe and connecting pipe, one end of main pipeline is detachably connected with one end of connecting pipe and communicates, and the other end of connecting pipe communicates with the inlet of sampling pump, one end of pool insertion pipe is detachably connected with the other end of main pipeline and communicates, and the other end is used for inserting into sampling pool, the vent line is communicated on main pipeline, and the vent valve is fixedly installed on the vent line. The utility model has the advantages of simple structure, reasonable design, can realize the quick automatic sampling of circulating pool, is convenient for sampling, does not need artificial to lie on the edge of circulating pool and sample, and is simple and safe and reliable to operate.

The invention provides a hydrogen production system and a method for producing hydrogen by electrolyzing water. The hydrogen production system comprises an electrolytic bath, a gas-liquid separation device, a hydrogen side buffer tank and an oxygen side buffer tank, the number of the electrolytic cells is the same as that of the gas-liquid separation devices, each gas-liquid separation device comprises a hydrogen side separation device and an oxygen side separation device, and each electrolytic cell is correspondingly connected with one hydrogen side separation device and one oxygen side separation device; the hydrogen side buffer tank comprises a first hydrogen side buffer tank, the oxygen side buffer tank comprises a first oxygen side buffer tank, and the hydrogen side buffer tank and the oxygen side buffer tank are each provided with a first liquid inlet; a liquid outlet of each hydrogen side separation device is connected with a first liquid inlet of the first hydrogen side buffer tank, and a liquid outlet of each oxygen side separation device is connected with a first liquid inlet of the first oxygen side buffer tank; wherein the number of the separating devices is greater than that of the corresponding buffer tanks. Therefore, the gas flow path of each electrolytic cell can be independent, and the operation stability and the anti-interference capability of each electrolytic cell are improved.

This utility model relates to the field of injection mold technology, and in particular to a multi-point synchronous injection mechanism for injection molds. Installed within the upper mold cavity, the cavity has an injection hole at its bottom. It includes a shell with an opening and a sealing cover plate. The shell contains a centrally located collecting chamber and a group of injection chambers distributed circumferentially thereafter. The cover plate's inlet connects to the collecting chamber, which in turn connects to each injection chamber via side-wall outlets. Each injection chamber's bottom wall has an injection nozzle extending to its corresponding injection hole. The cover plate, near the upper mold, is equipped with an opening and closing assembly containing a floating valve stem to control the opening and closing of the injection nozzles. A heating assembly heats the shell. Molten plastic is received through the collecting chamber, evenly distributed to each injection chamber via the outlets, and then synchronously injected through the injection nozzles, ensuring consistent flow rate and pressure across all nozzles. The opening and closing assembly prevents drooling or backflow, and the heating assembly maintains the molten plastic to prevent flow channel blockage, effectively improving product quality and production stability.

The utility model discloses a pressing type pump valve stable in effect, and belongs to the field of pressing type pump valves, the pressing type pump valve comprises a valve body and a valve cover arranged on the top surface of the valve body, a fixing ring is fixedly connected in the valve cover, a linear bearing is fixedly connected in the fixing ring, a valve rod is movably inserted in the linear bearing in a penetrating mode, and the valve cover is fixedly connected with the valve rod. A lantern ring is fixedly connected to the outer portion of the valve rod, the arranged limiting mechanism is matched with the upper pressing type pump valve for use, the pressing force generated when the valve is opened can be adjusted and limited, the pressing force can be accurately controlled so as to meet the use requirements of different operators, the problem of small pressing force or excessive pressing is avoided, and the use safety of the pump valve is improved. By means of the structure, it is ensured that the pressing force and position are consistent every time, the opening degree of the valve can be kept consistent every time, meanwhile, workers do not need to conduct pressing operation for a long time, the stable pressing force is ensured, and then the stability of the flow or pressure when a medium passes through the valve is improved, and the using effect of the valve is improved.

This utility model discloses a mobile chemical mixing device, including a first pipe, a liquid inlet pipe, a second pipe, a third pipe, a liquid outlet pipe, a pressure gauge, an air inlet pipe, and an exhaust pipe integrated on a mixing tank. It also includes a liquid filtration device, a gas filtration device, and a cooling device. The combination of various pipes and valves enables functions such as circulating mixing, liquid filtration, pressure balancing, and liquid cooling, thereby improving mixing efficiency and effect. Furthermore, unified control through a control system enables automated mixing of the entire device. In addition, the mixing tank has a movable bracket at the bottom, which allows the entire device to be moved, making it highly mobile and flexible.

This utility model discloses a sealing and packaging equipment for spiced beef, belonging to the field of packaging and sealing. It includes a workbench with a support plate fixedly connected to its bottom. A groove is formed on the back of the support plate, and a processing mechanism is inserted into the groove. A placement groove is formed in the center of the upper surface of the workbench, and sliding grooves are formed on both sides of the upper surface. A cooling mechanism is slidably connected inside the sliding grooves, and the cooling mechanism includes a frame. Through the coordinated use of these devices, the beef is cooled again while being processed and sealed by the cooling mechanism. The cooling mechanism can quickly reduce the temperature of the sealing area, ensuring that the sealing material cools and sets, avoiding deformation or instability of the seal due to high temperature. Rapid cooling after sealing can reduce the temperature inside the packaging and the sealing area, slowing down bacterial growth and thus extending the shelf life of the beef.

This utility model relates to a multi-motor vibratory box for pile drivers, belonging to the technical field of pile driver equipment, and solves the technical problems of large load and severe heat generation in traditional vibratory boxes with gear transmission. It includes a vibratory box body, a drive motor, and at least one pair of eccentric block assemblies. Each eccentric block assembly includes a rotating shaft, eccentric blocks fixedly mounted on the shaft, and a synchronous gear. Each rotating shaft is equipped with a drive motor, and the meshing synchronous gears rotate in opposite directions. The drive motor provides the main driving force for the rotation of the corresponding eccentric block assembly; the synchronous gears do not transmit the main driving force. The drive motor is a bidirectional hydraulic motor, and the rotation direction is controlled by controlling the flow of hydraulic oil. By driving the corresponding eccentric block assembly to rotate through an independent drive motor, the synchronous gears only serve a synchronizing function, significantly reducing the heat generation of the vibratory box, avoiding component aging and wear caused by high temperatures, and extending the service life of the equipment.

The utility model belongs to the technical field of battery preparation, and particularly relates to a compression roller device for assisting in testing the peel strength of a pole piece, which comprises a placing table, a compression roller mechanism and a driving mechanism, the compression roller mechanism is arranged on one side, in the first direction, of the placement table and can be in contact with the sample in the first direction; the driving mechanism can drive the compression roller mechanism to reciprocate in the second direction; compared with the prior art, the compression roller device disclosed by the utility model has the advantages that the pressure and the rolling speed in the pressing process of a test sample can be kept consistent, and the detection precision of the peeling strength of a pole piece is ensured.

The utility model discloses a coconut meat dietary fiber volatile substance separating device which is characterized in that the top wall of a heating box is sunken to form a food groove and is fixedly provided with a pipe cover groove, and a pipe cover is inserted into the pipe cover groove. A bottom sealing cover is detachably installed on the top wall of the heating box in a sealed mode. The side wall of the bottom sealing cover is hermetically connected with a vent pipe and an air pressure sensor; and a vent valve is arranged in the vent pipe. An installation column is fixedly arranged on the inner top wall of the bottom sealing cover, a cylindrical groove is formed in the column, the top of the groove penetrates out of the top wall of the bottom sealing cover to form an inserting opening, and a through hole is formed in the bottom of the groove. And a plurality of air seal rings and a vertically penetrating sampling pipe are arranged in the cylindrical groove. A top sealing cover is detachably installed on the outer top wall of the bottom sealing cover in a sealed mode. A ventilation mechanism is further arranged on the top wall of the bottom sealing cover and used for communicating or sealing the interiors of the top sealing cover and the bottom sealing cover. A heating mechanism is arranged in the heating box and is externally connected with a controller. The device can be matched with a sampling tube of a gas chromatograph for use, and relatively pure volatile substances are separated from the dietary fiber mixed food for analysis of the gas chromatograph.