33results about How to "Avoid hoarding" patented technology

The invention belongs to the technical field of refrigerant filling, and particularly relates to a refrigerant filling device with a vacuum leak detection function, which comprises a displacement plate, a box body, a controller, a liquid storage tank, a vacuum pump, a manifold assembly, a booster pump and a connecting pipe assembly, and the connecting pipe assembly is connected with a balance assembly; the connecting pipe assembly comprises a manifold head, and the manifold head is connected with the balance assembly through a corrugated pipe. When the refrigerating system is vacuumized, air and water in the refrigerating system are pumped away through the vacuum pump, the sealing plate, the connecting ring and the corrugated pipe synchronously move towards the manifold head under the action of negative pressure, the connecting ring drives the corrugated pipe to be folded, and when the reset spring is stretched to the limit, the corrugated pipe is completely folded; moisture in the annular groove of the corrugated pipe is extruded out of the annular groove and pumped away through the vacuum pump, the corrugated pipe is in a completely folded state, the space of the annular groove is controlled to be in an extremely small range, the moisture is not prone to entering the annular groove when passing through the corrugated pipe, and moisture accumulation in the annular groove is avoided.

The invention discloses a river channel desilting device for water conservancy projects, and belongs to the technical field of water conservancy projects, the river channel desilting device comprises a collecting box used for storing sludge, a sludge pump is fixedly mounted at the top of the collecting box, and a feeding pipe and a discharging pipe are respectively communicated in a feeding port and a discharging port of the sludge pump; the extraction mechanism is used for extracting sludge, and the extraction mechanism comprises a mounting seat, an extraction pipe and a connecting pipe; the dewatering mechanism is used for dewatering sludge and comprises a collecting hopper and a dewatering cylinder, a conveying shaft is rotatably mounted in the dewatering cylinder, a spiral auger is fixedly mounted on the outer side of the conveying shaft, and the collecting hopper is slidably connected to the upper portion of the dewatering cylinder. Through the cooperation of the extraction mechanism and the dehydration mechanism, automatic extraction and dehydration of river silt can be achieved, the crushing mechanism is matched to achieve cutting and scattering of the silt, the scattering effect can be adjusted according to the flowing degree of the silt, the fluidity of the silt is improved, silt blockage is avoided, and the desilting efficiency is improved.

Belonging to the technical field of sewage treatment, the invention discloses an efficient purification device, which comprises: a housing, the top of which is detachably provided with a water inlet shell; the centrifugal mechanism comprises a centrifugal cylinder, a rotating cylinder and a mounting plate, the rotating cylinder is fixedly connected to the bottom of the centrifugal cylinder, the rotating cylinder is rotatably connected to the interior of the mounting plate, and a driving motor is fixedly mounted at the bottom of the mounting plate; the water inlet adjusting mechanism is arranged between the water inlet shell and the centrifugal barrel, and the water inlet adjusting mechanism comprises a water inlet plate, an adjusting disc and two L-shaped plates. Through cooperation of the centrifugal mechanism and the water inlet adjusting mechanism, when the sewage amount is increased, the centrifugal filtering speed is increased, and the sewage introduction amount is reduced, so that sewage accumulation under the normal use condition is avoided, and through the arranged alarm mechanism, an alarm can be given out when the sewage accumulation is caused by excessive filter residues, and the filter residues are lifted and cleaned.

The utility model provides an energy-saving device for a three-cylinder plunger pump, and belongs to the technical field of three-cylinder plunger pumps. The device comprises a pump body and a crankshaft box body which are in sealed connection, and a crankshaft is arranged in the crankshaft box body, and is characterized in that a pressure regulating valve, an air chamber and a pressure gauge are arranged on the pump body, a spray switch and an air inlet switch are arranged at the front end of the pump body, a water inlet pipe is arranged below the air inlet switch, and an overflow sleeve is arranged between the pressure regulating valve and the pump body; the side wall of the overflow sleeve is provided with an overflow connector, one side of the crankcase body is provided with an installation opening for the crankshaft to stretch out, an impeller is fixed to the end of the crankshaft, an impeller cover is connected to the installation opening in a sealed mode, the impeller is located in an impeller cavity formed in the impeller cover, and one side of the impeller cover is communicated with the overflow connector through a connecting pipe. And the other side of the impeller cover is connected with an overflow pipe communicated with the sealing cavity. The utility model has the advantages of providing larger power output, being reasonable in structure and reducing energy consumption.

The utility model discloses a spraying system for a tunnel hedging lane, and relates to the technical field of tunnel hedging lanes, the spraying system comprises a base, the top of the base is fixedly connected with a plurality of supporting walls, and the tops of the supporting walls are fixedly connected with an arc-shaped top wall. When a vehicle in the base is on fire, smoke can be transmitted into the sensing chip through the through hole box door, signals can be transmitted into the multiple sensors when the sensing chip receives the signals, the rotating rod can be driven to rotate to drive the ball valve to rotate together when the sensors receive the signals, and the second sensor receives and senses the signals together. And a rotating rod II drives a ball valve II to rotate, so that water flow in the water tank passes through a water outlet pipe II, is immediately conveyed into a water outlet pipe and then conveyed into a water collecting pipe, and is immediately sprayed out in a water mist shape through a plurality of spraying pipes.

The invention discloses silicon sludge drying equipment capable of automatically regulating and controlling temperature and humidity, which comprises a drying chamber and an outer frame, and relates to the technical field of silicon sludge processing. According to the silicon sludge drying equipment capable of automatically regulating and controlling the temperature and the humidity, an outer frame filled with silicon sludge is conveyed by adopting a carrier vehicle, the traditional mode that the silicon sludge is conveyed through a conveying belt is changed, falling of the silicon sludge in the drying chamber can be reduced, the workload of workers is relieved, and a transmission mechanism is arranged on the outer frame, so that the drying efficiency is improved. The movable rods in the fixed rods can pass through the wave-shaped plates on the inner wall of the drying chamber to drive the whole transport vehicle to move in the drying chamber after the transport vehicle passes through the drying chamber, and the movable rods in the fixed rods can pass through the wave-shaped plates on the inner wall of the drying chamber when the transport vehicle moves in the drying chamber, so that the silicon sludge in the outer frame can be dried. And the vertical rods at the bottoms of the surfaces of the movable rods push the silicon sludge in the outer frame, so that the silicon sludge is prevented from being accumulated together during drying.

The present invention provides a wall-mounted air conditioner indoor unit and its wind guide plate. The wind guide plate includes a wind guide plate body, which is used to be installed at the air outlet of the wall-mounted air conditioner indoor unit; and a plurality of wind-raising parts, each of which is protrudingly arranged on the first side of the wind guide plate body to define a drainage channel with the first side, and the outlet of the drainage channel is formed on the side facing the first end of the wind guide plate body, and the wind guide plate body is formed with a plurality of drainage ports that penetrate its two sides, each drainage port is connected to a drainage channel, and each wind-raising part is configured to: when the wind guide plate is in a position with the first side facing upward and the first end facing forward, the air supply airflow changes the airflow direction when flowing through the wind-raising part, and forms a negative pressure at the first side, so as to drive the ambient air on the other side of the wind guide plate body to merge into the air supply airflow through the drainage port and the drainage channel in sequence. The wind guide plate of the present invention has an air guiding function and a drainage and mixing air function, so as to make the air supply airflow more comfortable.

The application relates to a multi-connected air conditioner control method and device, electronic equipment and a readable storage medium. The method comprises the following steps: when the air conditioner running mode is a heating mode, determining a shutdown indoor unit with a shutdown running state in the indoor unit, and controlling the shutdown indoor unit to be disconnected with a refrigerant pipeline; determining a terminal indoor unit in the shutdown indoor unit; and performing a refrigerant recovery operation on the pipeline corresponding to the terminal indoor unit. By disconnecting the shutdown indoor unit with the refrigerant pipeline, the refrigerant can be prevented from entering the indoor unit to cause heat loss; meanwhile, by recovering the refrigerant in the terminal indoor unit, the refrigerant can be prevented from accumulating in the refrigerant pipeline, and the refrigerant recovery in the terminal indoor unit can drive the refrigerant in the refrigerant pipeline of the non-terminal indoor unit to circulate to a certain extent, so that the refrigerant recovery is ensured, and excessive heat loss of the system caused by the refrigerant recovery of too many indoor units is avoided.

The invention discloses a confluence plate, a battery, a battery pack and a power utilization device, the confluence plate comprises a plate body, the diameter of the plate body is D1; the welding part is connected to the peripheral side of the disc body, the welding part comprises a welding section, the welding section extends in the circumferential direction of the disc body and is perpendicular to the disc body, the diameter of the cylindrical surface where the outer surface of the welding section is located is D2, and D2 / D1 is larger than or equal to 1 and smaller than or equal to 10. According to the confluence disc, the ratio D2 / D1 between the diameter D2 of the cylindrical surface where the outer surface of the welding section is located and the diameter D1 of the disc body meets the condition that D2 / D1 is larger than or equal to 1 and smaller than or equal to 10, so that the size of a gap formed between the welding part and the inner peripheral wall of the shell can be increased; therefore, the electrolyte locally accumulated in the rolling groove area has larger space and chance to be communicated with the electrolyte at other positions in the shell, reverse flowing is realized, the electrolyte is prevented from being accumulated in the rolling groove, corrosion to a nickel layer of the battery shell is reduced, and the service life of the battery is prolonged.

The invention discloses a wine storage device capable of automatically conveying wine, and relates to the field of catering industry devices.The wine storage device comprises a box body, storage rack assemblies, a lifting driving assembly, guide columns, a limiting assembly and a conveying assembly, the four guide columns are vertically arranged in an inner cavity of the box body, and the multiple storage rack assemblies are slidably connected with the guide columns through sliding groove and sliding block mechanisms; the storage rack assembly is in threaded connection with the lifting driving assembly vertically arranged in an inner cavity of the box body, the limiting assembly is installed at the bottom of the storage rack assembly, a wine conveying opening is formed in any one of the left side and the right side of the box body, and the conveying assembly is installed on the side, close to the wine conveying opening, of the inner cavity of the box body. And the wine conveying device is used for conveying wine placed on the storage rack assemblies at different height positions to the position where the wine conveying opening is located. Automatic conveying of drinks at different height positions is achieved, meanwhile, cold storage drinks are taken by arranging the small windows, and therefore the leakage amount of cold air in the storage box is effectively reduced.

The ironing equipment comprises a water tank, an evaporator, a control valve and a booster pump, when a temperature sensing piece monitors that the temperature of the evaporator is higher than or equal to a T value, a signal receiving piece receives a temperature signal fed back by the temperature sensing piece, the control valve is opened, the booster pump is started to supply water in the water tank to the evaporator along a pipeline A, and the water in the evaporator is supplied to the evaporator; the evaporator evaporates liquid supplied by the water tank and sprays water to iron clothes; when the temperature sensing piece monitors that the value of the evaporator is smaller than T, the control valve closes water supply in the water tank, the booster pump continues to work, residual water in the pipeline a is supplied to the evaporator, residual heat of the evaporator evaporates the residual water in the pipeline a, and therefore water is prevented from being accumulated in the evaporator, and when a product is used next time after being powered off, the product is not damaged. If the temperature of the evaporator does not reach the T value, no water is sprayed out of the evaporator, and the safety performance of the ironing equipment is improved.

This utility model relates to the field of lithium battery slurry preparation technology, specifically disclosing a uniformly dispersed lithium battery slurry preparation device, including a mixing tank assembly. A material extraction component is connected to the bottom of the mixing tank assembly, and a stirring component for mixing is installed inside the mixing tank assembly. Reverse mixing components are installed on the left and right sides of the stirring component. The material extraction component includes a material extraction pipe fixed to the bottom of the mixing tank assembly, a material extraction pump fixedly connected to the material extraction pipe, and a preliminary mixing component connected to the end of the material extraction pipe. The preliminary mixing component includes a mixing chamber fixed to the top of the mixing tank assembly, with two sets of mixing screws rotatably connected inside the mixing chamber, and a feed pipe fixed between the mixing chamber and the mixing tank assembly. Through the preliminary mixing component, the raw materials are fed into the mixing chamber through the feeding port, and after preliminary mixing in the mixing chamber, they can enter the mixing tank body, improving the mixing effect of the raw materials.

The present invention provides a wall-mounted air conditioner indoor unit and its air guide plate. The air guide plate includes an air guide plate body, which is used to be installed at the air outlet of the wall-mounted air conditioner indoor unit, and is provided with a flow outlet that runs through the first side and the second side thereof; and a wind lifting plate, which extends from the first side toward the first end of the air guide plate body and gradually away from the first side, and the starting end is closer to the second end of the air guide plate body relative to the flow outlet, so that when the air guide plate is in a position with the first side facing upward and the first end facing forward, the supply air flow changes the airflow direction when flowing through the wind lifting plate, and forms a negative pressure at the first side, so as to drive the ambient air on the other side of the air guide plate body to merge into the supply air flow through the flow outlet; and an overflow port is provided on the air lifting plate, so as to allow part of the ambient air to merge into the supply air flow through the flow outlet and the overflow port in turn. The air guide plate of the present invention has an air guiding function and a flow mixing function, so as to make the supply air flow more comfortable.

The invention discloses a steam condensation device which comprises a condensation box, an air inlet and an air outlet are formed in the two opposite side walls of the condensation box respectively, a condensation inner box is installed in the condensation box, a condensation pipe communicated with the condensation inner box is arranged on the condensation box, and steam exhaust holes used for mutual communication are formed between the condensation box and the condensation inner box. And a drainage pipe is arranged on the condensation inner box. By adopting a two-time condensation structure, cold air is blown to the condensation pipe, and high-temperature steam in the condensation pipe is condensed once, so that the temperature of the steam is reduced, more condensate water is not generated, the steam can smoothly circulate in the condensation pipe, the condensate water is prevented from being blocked in the condensation pipe, and then the cooled steam is introduced into the condensation inner box, so that the condensation effect is improved. The steam is secondarily condensed, so that the condensation effect of the steam is enhanced, the trouble of high-temperature steam to a user is overcome, meanwhile, no abnormal sound is generated, and the user experience is improved.

The utility model relates to the technical field of eye irrigating, in particular to an eye irrigator which comprises a grab handle, the top of the grab handle is connected with a fixing head, the left side of the fixing head is connected with a conveying pipe, the lower portion of the conveying pipe is connected with a spring pipe, the right side of the fixing head is connected with a buffering cover, and the right end of the buffering cover is connected with a connecting cover. An elastic telescopic pipe is connected to the right side of the connecting cover, a connector pipe is connected to the right end of the elastic telescopic pipe, a hopper-shaped wall is arranged on the inner side wall of the connector pipe, a water filtering hole is formed in the lower end of the hopper-shaped wall, and a soft rubber strip is arranged on the right side of the connector pipe. According to the eye washing device, waste liquid generated after eyes are washed can be filtered from the bottom of the connector pipe, so that accumulation and backflow of the waste liquid are prevented, washing liquid of the device can be placed on a platform without being held by hands, and the problems that the washing effect is reduced, and even secondary infection of the eyes is caused are solved.

The utility model discloses a quenching device for hot stamping automobile parts, and relates to the technical field of automobile part processing, the quenching device comprises a cooling mechanism, the cooling mechanism comprises a processing box, the inner wall of the processing box is fixedly connected with the outer side of a placing bushing, slope plates are arranged on both sides of the bottom of the placing bushing, and the processing box is fixedly connected with the processing box; two sliding rails are arranged at the bottom of the processing box, sliding grooves are formed in the two sides, close to the slope plate, of the inner wall of the processing box, a water tank is arranged on one side of the exterior of the processing box, and a water pump is arranged at the top of the water tank. Water in the water tank is pumped into the water pipe by starting the water pump, and is sprayed out through the spraying head, so that quenched parts can be cooled at the first time, and thermal expansion of materials of the automobile parts caused by high temperature is avoided; and in addition, water vapor and heat generated when the parts are cooled can be dissipated to the outside through the heat dissipation fan and the heat dissipation net, and the water vapor is prevented from being accumulated in the machining box.

The invention discloses a seepage area seepage monitoring device for water conservancy and hydropower, and relates to the technical field of water conservancy and hydropower. The device comprises a supporting assembly, the supporting assembly is of a hollow design, a monitoring body is arranged at the top of the supporting assembly, a photovoltaic panel is arranged at the top of the monitoring body, a seepage monitor is arranged in the monitoring body, the bottom of the seepage monitor is located in the supporting assembly, a seepage pipe is arranged on the left side of the seepage monitor, and a drainage pipe is arranged on the right side of the seepage monitor. A conveying module is arranged at the top of the seepage monitor; an anti-blocking device is arranged on the left side of the water seepage pipe, and an anti-fluctuation device is arranged in the water seepage pipe. Cleanness of the surface, making contact with seepage, of the filter plate is guaranteed through the brush plate, the number of attached dirt is reduced, the dirt is prevented from being accumulated in the seepage pipe to cause blockage in cooperation with the filtering effect of the filter plate, and monitoring precision reduction caused by blockage of water flow circulation in the seepage pipe is prevented.

This application relates to an air conditioning control module, an air conditioning system, and a control method. The air conditioning control module is connected to both an indoor unit module and an outdoor unit module. The air conditioning control module includes a main circuit unit and a circulation unit. The main circuit unit is connected between the indoor unit module and the outdoor unit module, and the circulation unit is connected between the liquid pipe and the gas pipe of the outdoor unit module. Specifically: the main circuit unit is used to disconnect the connection between the indoor unit module and the outdoor unit module when the indoor unit module stops in heating mode; the circulation unit is used to maintain the connection between the liquid pipe and the gas pipe of the outdoor unit module. By disconnecting the connection between the indoor unit module and the outdoor unit module when the indoor unit module stops, the main circuit unit prevents refrigerant from entering the indoor unit module and causing heat loss. Simultaneously, by maintaining the connection between the liquid pipe and the gas pipe of the outdoor unit module through the circulation unit, the refrigerant in the pipes continues to circulate, preventing refrigerant accumulation and thus avoiding heat loss.

The invention discloses a drilling machine with a dust removal device, and belongs to the technical field of drilling equipment, the drilling machine comprises a base, and vertical plates are fixedly mounted on the two sides of the top of the base; the drilling mechanism comprises a lifting plate, a drill bit, a lifting driving mechanism and a rotating driving mechanism, the lifting driving mechanism is used for driving the lifting plate to move up and down, the rotating driving mechanism is used for driving the drill bit to rotate, a hollow shaft is fixedly installed at the top of the drill bit, and the hollow shaft is rotatably installed in the lifting plate; and the dust removal device comprises a dust collection box, a sucking pump and an annular pipe. The automatic drilling mechanism can be achieved through the drilling mechanism and the clamping mechanism, dust extraction can be achieved in the drilling process through the arranged dust removal device, meanwhile, sweeps generated during drilling are blown out, the situation that the drilling precision is affected due to accumulation of the sweeps in a hole is avoided, and the drilling efficiency is improved. And the dust collection strength can be automatically adjusted according to the drilling speed through the arranged linkage mechanism, and the use requirements under different conditions are met.

The utility model relates to a high-protection woodworking machine tool guide rail pair. The technical problem to be solved by the utility model is to provide a high-protection woodworking machine tool guide rail pair. According to the technical scheme, the linear guide rail assembly comprises a linear guide rail assembly and a sliding block assembly, the sliding block assembly comprises a sliding block body, a ball reverser, a ball assembly, an upper retainer and a lower retainer, and the linear guide rail assembly comprises a linear guide rail, a dustproof plate, an upper sealing strip and a lower sealing strip. A guide rail clamping groove, a ball upper positioning groove, a ball lower positioning groove, a guide rail lower dustproof face, a guide rail transition face and a guide rail sliding guide face are sequentially arranged at the two ends of the linear guide rail from top to bottom, and a guide rail upper dustproof face is arranged between the guide rail clamping groove and the ball upper positioning groove. The utility model has the advantages that the dustproof plate has a covering dustproof design on the guide rail mounting hole; the upper sealing strip and the lower sealing strip can play a role in preventing dust, sundries and wood chips from being accumulated and entering the sliding block at the joint of the sliding block and the guide block.

The utility model discloses a watchband and a wrist strap type blood pressure measuring watch adopting the watchband, which can effectively stabilize a watchband body during blood pressure detection and cooperate with the filling and releasing of an air bag so as to reduce the risk of inaccurate detection results caused by the deformation of the watchband and effectively improve the accuracy of blood pressure detection. A more scientific data reference is provided for a wearer; in addition, heat and moisture generated by metabolism of the wrist skin can be dissipated outwards, and diseases caused by long-time dampness and heat of the wrist skin and influences on blood pressure detection are avoided; in addition, the air bag can be conveniently and independently disassembled and assembled so as to be maintained or replaced. According to the technical scheme, the watchband is used for the wrist strap type blood pressure measuring watch and comprises an air bag and a low-elasticity band body manufactured through the latticed weaving technology; fixing holes are formed in the surface of the belt body; a fixing block is arranged on the air bag and detachably connected with the fixing hole.

A structure and method for supplying oil to two friction clutches at the same time. The present invention relates to a friction clutch oil supply structure and method. The present invention is to achieve the purpose of controlling two friction clutches at the same time, improving the compactness of the gear transmission device, rationally saving space, and reducing the weight of the gear transmission system. The oil inlet shaft is rotatably connected and installed in the clutch oil inlet seat. The friction clutch pressure oil inlet ring is inserted on the clutch oil inlet seat. The first oil inlet joint and the second oil inlet joint are respectively connected to the clutch oil inlet seat. The clutch oil inlet seat is processed with an oil return through hole. The first friction clutch pressure oil supply port, the second friction clutch pressure oil supply port and the friction clutch lubricating oil inlet port are processed on the oil inlet shaft. Step 1: the first oil inlet joint, the second oil inlet joint and the third oil inlet joint supply oil; Step 2: the first oil inlet joint works; Step 3: the second oil inlet joint works. Step 4: the third oil inlet joint works. The present invention belongs to the field of friction clutch work.

The invention discloses a pipe clamp device and method for fixing a plurality of pipelines at a movable arm of a ballast clearing machine, solves the problem that the pipelines are not easy to detach due to the fact that the space of the outer side face of the movable arm is limited and the pipelines are laid in a layered mode in the prior art, and has the beneficial effect that the pipelines can be conveniently laid in a small space. According to the specific scheme, the pipe clamp device for fixing the multiple pipelines at the movable arm of the ballast cleaning machine comprises first pipe clamps and second pipe clamps, at least one layer of first pipe clamps is arranged outwards from the outer side face of the movable arm, when the first pipe clamps are arranged to be larger than or equal to two layers, every two adjacent first pipe clamps are fixedly connected, and the first pipe clamps are fixed to the surface of the movable arm; the outer end of the first pipe clamp is connected with the second pipe clamp so that the second pipe clamp can be located on the outer side of the center line in the length direction of the movable arm, the first pipe clamp and the second pipe clamp are arranged at an interval of 70-120 degrees so that part of pipelines can be installed through the space on the outer side of the movable arm, and the second pipe clamp fixes at least two pipelines.

This invention discloses an ultrasonic dehydration drying tower for magnesium chloride desiccant, comprising a tower body, a rotary motor fixedly mounted on the top of the tower body, a rotary shaft fixedly mounted on the output end of the rotary motor, the rotary shaft being installed in the center of the tower body, and several layers of stirring blades fixedly mounted on the rotary shaft inside the tower body. A drying tray is arranged below each layer of stirring blades inside the tower body, and the drying tray has several arrays of through holes. A set of ultrasonic devices is arranged on one side of each drying tray, and the ultrasonic devices are located outside the tower body, penetrating the outer wall of the tower body and fixedly installed to the drying tray. Two sets of feed inlets are arranged around the rotary motor at the top of the tower body, and a hot air duct is arranged below the feed inlets inside the tower body. A discharge port is arranged at the bottom of the tower body, and an anti-clogging device is arranged around the discharge port on each conical surface at the bottom of the tower body. The advantage of this invention is that it can effectively reduce the melting and adhesion of magnesium chloride powder particles inside the tower body, thereby reducing the impact on overall working efficiency.

The present invention provides a chilled water system control method, chilled water system and control device, which relates to the field of refrigeration water technology, and solves the technical problem that the traditional low-temperature chilled water system for dairy products in the prior art has an internal circulation water tank and an external circulation water tank, and the chilled water is stored in the external circulation water tank, causing the water temperature to rise. The method includes: detecting the drainage temperature of the host of the chilled water system; judging whether the drainage temperature of the host is not greater than the preset water outlet temperature value T 设 ; If yes, the host drain is controlled to be directed to the end of the ice water system; if not, the ice water storage tank of the ice water system is controlled to supply water to the end. That is, when the host drain temperature is not greater than the preset water outlet temperature value of 1.5℃, the host drain is controlled to be directly directed to the end of the ice water system, eliminating the external circulation water tank in the prior art, and adopting the method of direct supply of ice water, which avoids the storage of ice water in the external circulation water tank in the prior art, causing the water temperature to rise, and also solves the problem of large area occupied by the external circulation water tank.

The inner ring oil storage structure comprises an inner ring, an outer ring, a roller and a retainer, the roller and the retainer are arranged between the inner ring and the outer ring, arc-shaped roller paths are arranged on the side walls of the sides, facing the roller, of the inner ring and the outer ring, and the roller is partially contained in the arc-shaped roller paths and is in running fit with the arc-shaped roller paths. An oil storage groove with an opening facing the roller is formed in the position, corresponding to the roller path, of the inner ring in the circumferential direction of the outer circumferential wall of the inner ring, a plurality of oil guiding pieces are arranged in the oil storage groove, each oil guiding piece is rotationally connected with the inner circumferential wall of the oil storage groove, one side of each oil guiding piece makes contact with the bottom of the oil storage groove, and the other side of each oil guiding piece makes contact with the outer circumferential wall of the roller. The oil storage structure can guide lubricating oil at the bottom of the oil storage tank to the upper portion of the oil storage tank to make contact with the roller, the oil guide effect is good, and the structure is simple.

The invention relates to the field of medical equipment, in particular to a tee joint quick release assembly of an injection hand tool. The injection hand tool comprises a hand tool body, a three-way head quick release assembly and a three-way head, the hand tool body comprises a fixing device, threads are arranged on the fixing device, and the three-way head quick release assembly comprises a connecting part and a rotating part; a thread is arranged in the connecting part, the connecting part is in threaded connection with the fixing device, and a mounting hole is further formed in the connecting part; a thread is arranged on the rotating piece, and the rotating piece is in threaded connection with the connecting part; a first clamping structure is arranged at the first end of the connecting part, correspondingly, a second clamping structure is arranged at the second end of the tee joint, and the connecting part and the tee joint are mutually clamped through the first clamping structure and the second clamping structure. The three-way head can be conveniently and rapidly detached and replaced, the working efficiency of operators is improved, and cross infection of liquid medicine in multiple injection processes is avoided.

The utility model discloses a sewage inspection well with inside and outside ventilation function, including well body, hydraulic conversion device and exhaust well lid, well body both sides are provided with inlet pipe and outlet pipe, and inlet pipe and outlet pipe are opposite setting, hydraulic conversion device includes hydraulic conversion mechanism and exhaust paddle, and hydraulic conversion mechanism sets up in well body, and exhaust paddle is connected with hydraulic conversion mechanism, and hydraulic conversion mechanism will flow through the water flow energy of well body into mechanical energy to drive exhaust paddle rotation, and exhaust paddle is used for promoting the air in well body, sewage enters well body through inlet pipe, then discharges through outlet pipe, can utilize the kinetic energy of sewage through hydraulic conversion mechanism, and the kinetic energy of sewage is converted into the mechanical energy of rotation, and then drives exhaust paddle rotation, will make the air in well body discharge through the air outlet, avoids the combustible and explosive waste gas in the well accumulation, and then avoids the security risk.

The present invention belongs to the technical field of wire harness protection devices, and specifically discloses a wire harness protection structure for an outdoor electronic screen, including a wire passing plate body, a groove for placing the wire harness is provided at the top of the wire passing plate body, a top plate is hingedly connected to the top of the groove, an inward-facing drainage groove is provided on one side of the groove, a water-absorbing sponge is fixedly connected to the bottom of the drainage groove, and the water-absorbing sponge is arranged to extend to the bottom of the groove close to one side of the groove, an extrusion block for squeezing the water-absorbing sponge is slidably connected to the inner side of the drainage groove, a lower L-shaped rod is fixedly connected to the top of the extrusion block, and slide grooves are provided on the inner side of the groove and at positions corresponding to the lower L-shaped rod. The present invention can suck out the accumulated water in the groove when the wire passing plate is placed on a depression or inclined section, and can automatically squeeze out the water sucked out of the water-absorbing sponge when a vehicle passes by and the wheels squeeze the elastic plate, thereby avoiding excessive water accumulation in the wire passing plate, which poses a greater safety hazard and reduces the protection effect on the wire harness.

The invention discloses energy-saving water boiling and blanching equipment used before vegetable pickling, and relates to the technical field of vegetable blanching machines. A sealing door is arranged on the left side of the blanching assembly; a water storage assembly is arranged on the right side of the top of the base; a drainage pipe is arranged between the left side of the water storage assembly and the right side of the blanching assembly; and a heating assembly is arranged at the edge of the top of the water storage assembly. Vegetables are continuously washed by a water source in the blanching process, the speed of removing dirt on the surfaces of the vegetables is effectively increased, the falling dirt is shielded through a water filtering plate to avoid secondary attachment, the overall cleanliness of the vegetables is guaranteed, and therefore the mildew probability is reduced, and the vegetable blanching efficiency is improved. Meanwhile, the spoiler and the brush plate assembly ensure that the temperature of water in the blanching assembly is balanced, the non-uniform blanching rate is prevented, and the brush plate assembly effectively brushes away residual dirt on the inner wall of the blanching assembly.