48results about How to "Prevent running water" patented technology

The invention discloses a universal rotating spray head of a high-pressure and high-temperature cleaning machine, comprising a spray gun connecting head and a spray head body, wherein, an inlet opening is arranged in the spray gun connecting head, and a spray nozzle is arranged in the spray head body. The invention is characterized in that the spray nozzle of the spray head body comprises an axial straight spray nozzle, a radial straight spray nozzle and an oblique spray nozzle between the axial straight spray nozzle and the radial straight spray nozzle, wherein, the spray head body is connected with a rotary rod, and the spray gun connecting head is connected with one end of a rotary cushion by a rotary screw barrel; a swinging chamber is arranged in the rotary cushion, and the other end of the rotary cushion is connected with a rotary fixed cap; the rotary fixed cap is provided with a connection hole and a flaring; the rotary rod is provided with a ball joint, a spherical surface inlet opening and an oblique tail part extending into the swinging chamber, and the ball joint is matched with the flaring; an elastomer is arranged on the oblique tail part, and the elastomer is in contact with the inner wall of the swinging chamber.

The invention discloses a faucet assembly for a washing machine. The faucet assembly comprises a water inlet pipe joint, a water way connecting piece and a water stop piston. One end of the water inlet pipe joint is connected with a washing machine water inlet pipe. One end of the water way connecting piece is connected to a water source, and the other end of the water way connecting piece is connected to the other end of the water inlet pipe joint. A water circulating way is formed between the two ends of the water way connecting piece. A water flow shrink and stop portion is arranged in the water circulating way. The water stop piston penetrates the shrink and stop portion and is arranged in the water circulating way. The diameter of a piston head of the water stop piston is larger than that of the shrink and stop portion. A piston rod extends out of the water way connecting piece. A water channel is arranged between the piston rod and the shrink and stop portion. An abutting portion is arranged on the inner wall of the water inlet pipe joint. The abutting portion abuts against the piston rod and moves in the direction in which the piston head is separated from the shrink and stop portion. The water stop piston moves in the direction in which the piston head is close to the shrink and stop portion only depending on water pressure in the water circulating way without depending on other external force. The faucet assembly for the washing machine is simple in structure, and water supply can be stopped automatically after the water inlet pipe of the washing machine falls off.

The invention discloses a high frequency vibrating screen which comprises a screen box, a screen plate, a box type vibration exciter and a driving system. The screen box comprises two side plates, a plurality of transverse beams and a driving beam, the two side plates are installed on a support through springs, the lower edges of the two side plates are connected through the multiple parallel transverse beams, the upper portions of the middles of the two side plates are connected through the driving beam, the box type vibration exciter is installed on the driving beam and is connected with thedriving system, the screen plate is fixed to the upper portions of the transverse beams and is formed by butt joint of a slope screen plate with a positive inclined angle and a step-shaped screen plate with a negative inclined angle, the slope screen plate is located on the back portion of the step-shaped screen plate, and a feeding baffle is arranged at the back end of the slope screen plate. According to the high frequency vibrating screen, the staged type screen plate formed by the slope screen plate and the step-shaped screen plate is adopted, the forced synchronization type box type vibration exciter is used as a vibration exciting source, coal slime scattering and layering and further dewatering can be promoted, material stacking and water running can be effectively prevented, the dewatering effect of the slime water is improved, the fault rate is low, and the screen machine running reliability is greatly improved.

The invention discloses a temperature compensation device for a solar ground source heat pump. The temperature compensation device comprises a ground. A solar power supply unit is mounted on the ground. A condenser is mounted on the right side of the solar power supply unit on the ground. A first water outlet pipe is mounted on the right side of the condenser. A second water outlet pipe is mountedat the bottom of the first water outlet pipe. A first electromagnetic valve is mounted between the first water outlet pipe and the second water outlet pipe. A pair of second electromagnetic valves same in structure is mounted between the first water outlet pipe and the second water outlet pipe and the condenser. The temperature compensation device disclosed by the invention has the beneficial effects that a heating structure can be charged through a solar charging structure; as the temperature compensation device is charged by solar energy, the temperature compensation device not only is environment-friendly and stable, but also does not affect the heat compensation ability as a result of power failure regionally; through the heating structure, water in a spiral water pipe is heated to different extents, so that the device can balance soil energy and prevent water and soil loss, and therefore, the environmental damage is avoided.

The invention provides an intelligent control system for preventing water from running from a faucet, and the system comprises a power supply unit, a flow sensor, a microprocessor, a data storage unitand a solenoid valve, wherein the power supply unit, a data acquisition unit, the flow sensor and the solenoid valve are independently connected to the microprocessor; the flow sensor is installed inthe household water pipe, and periodically transmits the collected real-time flow data to the microprocessor; the solenoid valve is installed in the household water pipe; the microprocessor is provided with a determination module, which can determine whether the water is running, and send a close command to the solenoid valve to close the solenoid valve when determining that the water is running.The system can fully consider the factors of water consumption time and single water consumption by using simple instruction calculation to accurately judge whether water running occurs, and close the water inlet pipe from the source in time, so as to prevent water running.

The invention discloses a faucet assembly for a washing machine. The faucet assembly comprises a water inlet pipe joint, a water way connecting piece and a water stop piston. One end of the water inlet pipe joint is connected with a washing machine water inlet pipe. One end of the water way connecting piece is connected to a water source, and the other end of the water way connecting piece is connected to the other end of the water inlet pipe joint. A water circulating way is formed between the two ends of the water way connecting piece. A water flow shrink and stop portion is arranged in the water circulating way. The water stop piston penetrates the shrink and stop portion and is arranged in the water circulating way. The diameter of a piston head of the water stop piston is larger than that of the shrink and stop portion. A piston rod extends out of the water way connecting piece. A water channel is arranged between the piston rod and the shrink and stop portion. An abutting portion is arranged on the inner wall of the water inlet pipe joint. The abutting portion abuts against the piston rod and moves in the direction in which the piston head is separated from the shrink and stop portion. The water stop piston moves in the direction in which the piston head is close to the shrink and stop portion only depending on water pressure in the water circulating way without depending on other external force. The faucet assembly for the washing machine is simple in structure, and water supply can be stopped automatically after the water inlet pipe of the washing machine falls off.

A water running preventing faucet comprises a faucet body and a water running preventing mechanism. The faucet body comprises a valve, a valve element, a rotary switch, an upper end cover and a bottom cover. The water running preventing mechanism comprises a piston assembly and a shifting fork assembly. The piston assembly comprises a piston and a first spring. A water inlet hole sealing cap is arranged at the lower end of the piston. A piston chamber is formed in the lower end of the valve element. The first spring and the piston are arranged in the piston chamber. One end of the first spring abuts against the valve element, and the other end of the first spring abuts against the piston. The shifting fork assembly comprises three shifting forks, a second spring and a spring pin. The three shifting forks are fixed to the outer wall of the lower end of the valve element at equal intervals in the circumferential direction, and the three shifting forks and the valve element are of an integrated structure. A spring chamber is formed in the inner wall of the valve, and the second spring is arranged in the spring chamber. One end of the spring pin is inserted in the spring chamber, the other end of the spring pin abuts against the valve element, and a push rod is obliquely arranged on the spring pin. According to the water running preventing faucet, a water inlet of the faucet can be automatically sealed, water running is prevented, the structure is novel, and using is convenient.

Disclosed are a collapsible canopy frame for easy building and storage while collapsed to minimize the volume thereof, and a canopy using same. The collapsible canopy frame has symmetric connecting frames and asymmetric connecting frames both of which are connected to and between four posts, each of the symmetric connecting frames and asymmetric connecting frames having two rods linked in an X-shape. The symmetric connecting frames have crossing connecting points and connecting points at ends of the rods in the same length, thereby forming a horizontal part, and the asymmetric connecting frames have crossing connecting points and connecting points at ends of the rods in different lengths, thereby forming a sloping part. The present invention is convenient to use when a tent is coupled to the collapsible canopy frame, since the horizontal part and the sloping part form a sloping surface on the tent, thereby allowing rainwater to drain in a certain direction in case of rain. Also, the present invention is convenient to use, since the same collapsing method is used for all connecting frames connected to the posts, and thus merely folding and unfolding motions enable the storage and building of the present invention.

An IC card electronic water meter for tap water, comprising: a water meter and a control device, a flow sensor connected to the water meter, a position sensor, a flow sensor and an IC card socket connected to the signal input terminal of the core micro-control unit of the water meter control device, and the signal input terminal is also connected to the There is a battery voltage monitoring module and a voltage sensor; the signal output end of the micro-control unit is connected to the "water cut-off in arrears" valve through the valve opening / closing drive module, and the signal output end is also connected to a liquid crystal display module; a position sensor is set to ensure the water meter Placed horizontally to avoid errors and ensure the accuracy of the water meter; to solve the problem of malicious power outages, the battery is easy to replace, and to avoid the hidden danger of strangers entering the house due to battery replacement. The pulse power supply with variable cycle reduces the power consumption of the Hall element and saves electricity. The use of water pressure sensors and micro-holes for leakage can prevent "running water" caused by pipeline rupture and unintentional opening of the faucet after the water is cut off. The IC card uses a password system combining "rolling code" and DES encryption algorithm.

The invention relates to a pressure protection valve and a gas water heater, comprising a valve body and a valve core assembly, characterized in that the valve body is also provided with a bypass pipe communicating with the valve chamber; the second valve core assembly is arranged in the valve chamber for controlling On and off of the water inlet, the second spool assembly is in a normally open state; the first spool assembly is set in the side pipe to control the action of the second spool assembly; it includes the first base and the first valve set in the side pipe rod, the first valve plug, the first magnetic part and the second magnetic part; the first valve plug can be slidably sealed and connected to the inner wall of the side pipe; the first valve plug is drivingly connected to the first valve stem, and the first valve stem can be slidably Located on the first base, the first valve stem drives the second valve core assembly to move; the first base and the first valve plug are respectively provided with a first accommodation groove and a second accommodation groove; the first magnetic part is accommodated in In the first accommodating groove; the second magnetic part is accommodated in the second accommodating groove; the first magnetic part and the second magnetic part are oppositely arranged and opposite to each other with the same poles.

Disclosed are a collapsible canopy frame for easy building and storage while collapsed to minimize the volume thereof, and a canopy using same. The collapsible canopy frame is provided with two long posts, two short posts disposed relatively low, and x-shape connecting frames folded therebetween. The volume of the collapsible canopy frame when wholly collapsed is minimized by varying the length of ends of the connecting frames connected to and between the posts having different heights. Accordingly, the same collapsing method being used for all connecting frames connected to the posts makes building and storage convenient. Also, the canopy having the collapsible canopy frame coupled to a tent is convenient to use, since slopes are formed on the tent, thereby allowing rainwater to run down only to the side of the short posts in case of rain.

The invention discloses a high-frequency vibrating screen, which includes a screen box, a screen plate, a box-type vibrator and a drive system. The screen box includes two side plates, a plurality of beams and a drive beam. The two side plates pass through The spring is installed on the support, and the lower edges of the two are connected by a plurality of parallel beams, and the middle upper part is connected by a driving beam. The box-type vibrator is installed on the driving beam and connected with the driving system. The sieve plate It is fixed on the upper part of the beam and is formed by the butt joint of a positive inclined sieve plate and a negative inclined stepped sieve plate. The inclined sieve plate is located at the rear of the stepped sieve plate. . The present invention adopts the segmented sieve plate composed of inclined sieve plate and stepped sieve plate and uses the forced synchronous box-type vibrator as the excitation source, which can not only promote the loosening, delamination and further dehydration of coal slime, but also effectively prevent piles Material and water run-off phenomenon, improve the dehydration effect of slime water, and the failure rate is low, which greatly improves the operation reliability of the sieve machine.