51results about How to "Prevent water splash" patented technology

The invention relates to an auto beauty device, in particular to a fast automobile flushing device for auto beauty. The technical problem of providing an auto beauty fast automobile flushing device which is capable of flushing an automobile chassis, wheels, fender linings and other dirty parts in an all-around mode, low in labor intensity, capable of flushing the parts thoroughly and high in working efficiency and saves time is to be solved. In order to solve the technical problem, the fast automobile flushing device for auto beauty comprises a first water pipe, a water inlet connector, a second water pipe, first spray heads, a grid, a water column and the like; the first water pipe is horizontally arranged on the front side face of a water tank, the water inlet connector is arranged at the front side of the left part of the first water pipe, and the grid is arranged in the middle of the top of the water tank. According to the fast automobile flushing device for auto beauty, the automobile chassis, the wheels, the fender linings and other dirty parts are flushed in the all-around mode with the multiple spray heads.

The invention provides a water outlet control method and device of a water purifying and drinking machine, a storage medium and the water purifying and drinking machine. The method comprises the following steps of acquiring 3D scanning data of a water receiving container, and determining the height and the volume of the water receiving container according to the 3D scanning data; determining the water outlet height and the water outlet amount of the water purifying and drinking machine according to the height and the volume of the water receiving container; adjusting the position of a water outlet of the water purifying and drinking machine according to the water outlet height; and controlling the water purifying and drinking machine to discharge water according to the water outlet amount.The water outlet control method and device can adjust the water outlet height and the water outlet amount according to the volume and the height of the water receiving container, effectively preventswater in a cup from splashing, and simultaneously is beneficial to improving the control of the water outlet rate and improving the user experience.

The invention discloses a glass chamfering machine. The glass chamfering machine comprises a machine base, a driving rack and a driven rack, wherein the driving rack and the driven rack are arranged on the machine base oppositely; the driving rack is driven by a rack driving mechanism to get close to or get away from the driven rack; the driving rack and the driven rack are each provided with a plurality of lifting conveying belt mechanisms, and driving positioning devices are arranged at the feeding ends of the conveying belt mechanisms on the driving rack; driven positioning devices are arranged at the feeding ends of the conveying belt mechanisms on the driven rack; air blowing devices and glass clamping positioning devices are sequentially arranged on the outer sides of the conveying belt mechanisms correspondingly; mounting brackets extending in the vertical directions are further arranged on the driving rack and the driven rack correspondingly; and one or more sets of three-axismoving mechanisms used for driving a main shaft device to move in the X, Y and Z axis directions are arranged on the outer sides of the mounting brackets correspondingly. The main shaft device and thethree-axis moving mechanisms are located on the two sides of a waterproof cover body correspondingly, the waterproof cover body achieves the waterproof action, and the purposes of proofing water andrust and facilitating maintenance and repair are achieved.

The invention belongs to the technical field of glass curtain walls and particularly discloses a device for cleaning a glass curtain wall. The device comprises a base and a cleaning mechanism, the cleaning mechanism comprises a reciprocating lead screw and a motor with an output shaft, the bottom end of the reciprocating lead screw is rotationally connected with the top end of the base, the motoris fixed to the top end of the base, the reciprocating lead screw is in transmission connection with the output shaft of the motor through a belt, a first sliding block is in threaded connection withthe reciprocating lead screw, a brush plate is arranged on the first sliding block, and bristles are arranged on the brush plate. According to the invention, the first sliding block on the reciprocating lead screw drives the bristles on the brush plate to continuously brush a glass curtain wall, compared with a manual glass curtain wall cleaning mode, the device has the advantages that the glass curtain wall cleaning speed is higher, more time is saved, and consumed manual labor is little.

The invention relates to a bathing device, in particular to a wrist bone fracture patient bathing device used in the orthopedics department and aims to provide a wrist bone fracture patient bathing device which can protect the wrist of a wrist bone fracture patient, prevent water from being splashed onto a wound and provide convenience for bathing and is used in the orthopedics department. According to the technical scheme, the wrist bone fracture patient bathing device used in the orthopedics department comprises a base plate, a 7-shaped plate, a water pipe, a spray head, a water outlet pipe,a frame body, a first sliding rail and the like. The 7-shaped plate is installed on the left side of the top of the base plate, the frame body is installed at the upper portion of the left side facein the 7-shaped plate, the middle of the right side of the frame body is provided with an opening, and the right side of the top of the frame body is provided with a wire guiding hole. The fractured hand stretches into a sleeve so that the hand can be protected, water can be prevented from being splashed onto the wound, and the arm of the bone fracture patient can be cleaned through a cleaning device, namely cleaning of the bone fracture patient's hand in the sleeve is not needed. The wrist bone fracture patient bathing device used in the orthopedics department is convenient, provides more convenience to use shower gel through a liquid outlet device and makes the patient in bathing cleaned thoroughly.

The invention relates to a vegetable washer, in particular to a water-saving disinfecting vegetable washer. The invention solves the problems that water resources are wasted, manpower cost is overhigh and vegetables and meat are not washed thoroughly when the vegetables and meat are washed manually in dining halls of enterprise and public institutions, catering agencies and food processing enterprises in the prior art. The water-saving disinfecting vegetable washer comprises a washer body, and a vegetable washing trough; a first water inlet on the bottom of the vegetable washing trough is connected with a water inlet pipe with an inlet valve, an outlet is connected with a drain pipe, and the drain pipe is sequentially provided with a drain valve, a three-way pipe and a wash-out valve; theother end of the three-way pipe is connected with a water inlet of a water pump through a communicating pipe; the communicating pipe is sequentially provided with a filter unit and an ozone disinfector; and an inserting baffle is movably arranged longitudinally in the vegetable washing trough to separate the vegetable washing trough into a vegetable washing area and a filtering area. The water-saving disinfecting vegetable washer is simple in structure and skillful in design, and can be widely applied to dining halls of government offices, troops, schools and large enterprises, catering agencies and food processing enterprises.

The invention relates to a sideslip preventing wheel. The sideslip preventing wheel comprises a main wheel which is shafted to an axle; secondary wheels which are hinged to the axle are symmetrically mounted at two sides of the main wheel; the main wheel is coupled with each secondary wheel through a counter gear and a clutching device, wherein the clutching device is connected with a clutching gate; the main wheel has the same radius as each secondary wheel. With the adoption of the wheel, an electric vehicle can run normally in a rainy and snowy day; meanwhile, the braking function is stable and efficient.

The invention relates to a comprehensive wiring box cover. The comprehensive wiring box cover comprises a panel body covering a wiring box. Heat dissipating holes are formed in the surface of the panel body. Adjusting holes are formed in the inner surface of the panel body. The panel body and the wiring box rotate relatively through the adjusting holes, the heat dissipating holes are oblique relative to the surface of the panel body, the upper side and the lower side of the inner surface of the panel body are provided with netted reinforcing ribs, and the left side and the right side of the inner surface of the panel body are provided with strip-shaped reinforcing ribs. By means of the structure, the outer surface of the panel body is in an outward-convex arc shape, the strength of the panel body can be enhanced through the arc-shaped design, and the comprehensive wiring box cover is more attractive. The panel body is made of plastics, and the effect on the wireless signal transmission is avoided. The oblique heat dissipating holes are formed in the surface of the wiring box, and water splashing can be prevented. The invisible reinforcing ribs are arranged on the inner surface of the panel body, the strength of the panel body can be improved, and the appearance cannot be affected, and the panel body and the wiring box can be adjusted conveniently through the runway-shaped adjusting holes.

The invention discloses clothing treatment equipment. The clothing treatment equipment comprises a rotating barrel, a drainage hole and a plugging mechanism, wherein the rotating barrel can rotate inthe axial direction of the equipment, the drainage hole is formed in the lowest position of the bottom of the rotating barrel and the plugging mechanism is arranged at the lowest position to open or close the drainage hole, and the plugging mechanism covers the drainage hole and can rotate along with the rotating barrel when in a closed state. According to the clothing treatment equipment, a structure equivalent to an outer barrel is omitted, all washing water is contained in the rotating barrel, and the consumption of washing water is reduced. In addition, the problem of how to discharge water from the rotating barrel in the washing / dewatering process is effectively solved.

The invention discloses an electronic fishbowl which comprises a bowl body, fish models arranged in the bowl body, a circuit board and a drive motor connected with the circuit board through a wire, wherein the bowl body comprises a water tank with an opening and a top cover for closing the opening; an output shaft of the drive motor is provided with blades; a motor casing provided with a water channel is sheathed on the drive motor; and the electronic fishbowl also comprises a water-resistant frame which is fixed on the top cover and provided with an avoidance hole for avoiding the motor casing. The electronic fishbowl comprises the water-resistant frame fixed on the top cover, and the water-resistant frame is provided with the avoidance hole for avoiding the motor casing matched with the drive motor, thereby preventing water from splattering onto the circuit board and other devices when the drive motor operates.

The invention provides an automatic water supply device for a hotpot and belongs to the technical field of machinery, aiming at solving the problem that potential safety hazards exist when water is added into an existing hotpot. According to the automatic water supply device for the hotpot, the hotpot comprises a pot body; the automatic water supply device comprises a pump arranged outside the potbody and a container for storing water; a controller for receiving an output signal of a water level sensor arranged in the pot body to control the opening and closing of the pump is further arrangedoutside the pot body; an inlet of the pump is communicated with an inner cavity of the container through a pipeline I; the pot body is internally provided with a water discharging pipe which is arc-shaped and is made of a transparent material; the lower end of the water discharging pipe extends to the bottom of the pot body and a lower end opening of the water discharging pipe is arranged along the horizontal direction; the pump is fixedly provided with a pipeline II communicated with an outlet of the pump; the pipeline II is detachably and fixedly connected with the upper end of the water discharging pipe and inner cavities of the pipeline II and the water discharging pipe are communicated with each other; the pot body is internally and horizontally provided with a protection body with along groove shape; the protection body is fixedly connected with a bottom wall of the pot body; the section of the protection body is of a reversed U shape; and one end of the water discharging pipeis inserted into the protection body. The automatic water supply device for the hotpot, provided by the invention, has the advantage of high safety.

The invention discloses a full-automatic glass diamond grinding and polishing machine, which comprises rotation mechanisms arranged on a frame, fixture devices arranged on the rotation mechanisms, a grinding wheel device, a polishing wheel device, a charge device and a discharge device, wherein the fixture devices are equidistantly arranged on the circumference of the rotation mechanism. The full-automatic glass diamond grinding and polishing machine is characterized in that: two rotation mechanisms are arranged and horizontally fixed in parallel on the frame in a longitudinal distribution manner; the circumferential outer edge of the fixture device on each rotation mechanism is longitudinally provided with the grinding wheel device and the polishing wheel device; the circumferential outer edge of the fixture device on each rotation mechanism is provided with the charge device, and the circumferential outer edge of the fixture device on the other rotation mechanism is provided with the discharge device; the same number of fixture devices are arranged on the two rotation mechanisms; and when being rotated to a horizontal plane, the fixture devices on each rotation mechanism are located on the same horizontal plane as corresponding fixture devices on the other rotation mechanism. The invention has the advantages of high production efficiency, low cost and the like.

The invention relates to a special pet bathing equipment, in particular to a self-service pet bathing device. The device comprises an equipment module and a pet bath bin, the pet bath bin is connected with the equipment module, hot water equipment, hot air equipment and a pet bath foam generator are installed on the equipment module, hot water, hot air and pet bath foam can be sent into the pet bathing bin through pipelines, a hot water outlet, an air outlet, a pet bath foam nozzle and a sterilization device are installed in the pet bathing bin, operation holes are formed in the upper portion of the pet bathing bin, and the pet bathing bin is provided with an openable type bin door. According to the self-service pet bathing device, a pet is bathed in the pet bathing bin through manual work, the design is humanized, the integration degree is high, the interactive communication between the pet and a master is improved, and the practicability is great. Money can be collected automatically, double modes, namely attended operation and unattended operation, are achieved, the device is equipped with a complete intelligent management system, so that the operation is simpler, manpower is saved, and the device has enormous market and economic prospect.

Disclosed is a humidifying apparatus comprising: a fan (20) arranged in a casing (1); a humidifying filter (40) for humidifying an air flow produced by the fan (20); a water tray (90) arranged below the humidifying filter (40); a water splasher (60) having a turning frame mounting the humidifying filter (40) and supported rotatably by the casing (1), and a bucket unit (61) mounted on the turning frame, for scooping up water from the water tray (90) and splashing same on the humidifying filter (40); a geared motor (74) for rotating the turning frame of the water splasher (60); and a control unit (200) for controlling the fan (20) and the geared motor (74). The control unit (200) controls the geared motor (74) before the humidifying operation, and controls the rotation of the turning frame of the water splasher (60), to thereby perform the humidification preparing operation to soak the humidifying filter (40) with water.

The invention provides a potted green-leaf plant cleaning cover. The potted green-leaf plant cleaning cover comprises a main body pot cover and a water collecting cover which are connected through a connecting piece provided with small holes. The water collecting cover is opened in the axis direction, and a fixing adhesive is arranged at the top of the opening. The main body pot cover and the water collecting cover are made of waterproof cloth. During use, the main body pot cover covers a flowerpot, the water collecting cover is adhered, and a water source is connected to the water collectingcover; the water source is uniformly dispersed through the connecting piece and flows to a covered potted plant. The cleaning cover has the advantages that during flower watering, water can be lockedinto the main body pot cover, water can be uniformly sprinkled, the function of preventing water from splashing outside is achieved, and the cleaning cover is simple in structure, low in cost and convenient to use and store.

The invention provides an automatic water supply device for hot pot, which belongs to the technical field of machinery. It solves the problem of potential safety hazards when adding water to the existing chafing dish. In this hot pot automatic water supply device, the hot pot includes a pot body, and the automatic water supply device includes a pump and a container for storing water both outside the pot body. The controller for opening and closing the pump. The inlet of the pump communicates with the inner cavity of the container through pipe 1. There is an arc-shaped drain pipe made of transparent material in the pot body. The lower end of the drain pipe extends to the bottom of the pot body and the lower port of the drain pipe is along the Oriented in the horizontal direction, the pump is fixed with the second pipe connected to the outlet of the pump. The second pipe is detachably connected to the upper end of the drain pipe and the inner cavity of the two is connected. There is a long groove-shaped protective body horizontally in the pot body. It is fixedly connected with the bottom wall of the pot body, the section of the protection body is inverted U-shaped, and one end of the drain pipe is inserted into the protection body. The hot pot automatic water supply device has the advantages of high safety.

The invention provides a safe single-hole wash basin faucet having the filtering function. The safe single-hole wash basin faucet having the filtering function comprises a faucet shell and an uplifting type handle switch. A water outlet pipe with a downward water outlet is arranged on one side of the faucet shell. The lower end of the faucet shell is provided with a water inlet. The water outlet end of the water outlet pipe is detachably provided with a protective sleeve. The protective sleeve comprises a rubber cup and a cylindrical component connected with the water outlet pipe. The rubber cup is fixedly connected with the cylindrical component. The cylindrical component is made of transparent materials. A filtering device is arranged in the cylindrical component. The cylindrical component is connected with the water outlet pipe in a threaded manner. The safe single-hole wash basin faucet having the filtering function can effectively filter and purify water flow, and the filtering device is convenient to replace; meanwhile, the cylindrical component is made of the transparent material, so that the filtering process is transparent and visible, and a user can conveniently observe the water quality and observe whether the filtering device normally operates or not; besides, the rubber cup can achieve the buffering function and reduces or avoids the harm of the faucet to human bodies, the rubber cup is in a bowl shape, and water splashing can be prevented to a certain extent.

The invention discloses a household kitchen and bath disinfection device and a control method thereof. The household kitchen and bath disinfection device comprises a peristaltic air pump, a low-temperature plasma ozone generator, a valve assembly, a Venturi tube, an integrated circuit control board, a turbine flowmeter, a low-resistance-loss water inlet and outlet system, an exhaust valve and a water tank. The peristaltic air pump is connected with an air inlet pipe of the low-temperature plasma ozone generator. A water inlet and a gas inlet of the Venturi tube are respectively connected with a water inlet pipe and a gas outlet pipe of the low-temperature plasma ozone generator, and the exhaust valve is arranged at an outlet of the Venturi tube. The low-resistance-loss water inlet and outlet system is characterized in that a low-resistance water inlet valve is mounted at a water inlet, a valve is not mounted at a water outlet, and water flow is controlled through the low-resistance water inlet valve during operation. The low-temperature plasma ozone generator receives signals of the turbine flowmeter through the integrated circuit control board. The device is scientific and reasonable in structure, safe and convenient to use and capable of effectively killing various bacteria.

The invention provides a reel type sprinkling irrigation method capable of achieving high uniformity. The sprinkling irrigation method comprises the following steps that S1, a reel type sprinkling irrigation device is dragged to a field edge through a tractor, then a water delivery pipe is released, and a sprinkler car is dragged to a sprinkling irrigation site through the tractor; S2, a water pump and a driving device are controlled to work, the driving device drives a reel to rotate and drag the water delivery pipe to be rewound to the reel, the sprinkler car is dragged to move, and the water pump conveys water to a pressure adjusting device to be conveyed to a sprinkler after pressure adjustment; S3, in the sprinkling irrigation process, a first control device receives a detection value of a water pressure measuring device and controls the pressure adjusting device to adjust the water pressure, so that the water pressure conveyed to the sprinkler is constant all the time; the first control device controls the rotating speed of the driving device by receiving a detection value of a speed measuring device, so that the recovery speed of the water delivery pipe is constant all the time; and therefore, the sprinkler car advances at a constant speed, the water pressure conveyed to the sprinkler is consistent all the time, and the uniformity of sprinkling irrigation is improved.

The invention discloses an air storage type pressure release mechanism and an air pressure type pipeline dredging device.The air storage type pressure release mechanism comprises an air storage cylinder, a ventilation pipe, an air plug, an inflation system and an air deflation mechanism, an air storage cavity is formed in the air storage cylinder, a pressure release opening is formed in one end of the air storage cavity, the ventilation pipe is arranged in the air storage cavity, and the air plug is arranged in the air storage cavity; the air plug is provided with a first position in sealed contact with the breather pipe and a second position in sealed contact with the pressure release port, in the inflation process and after inflation is completed, the air pressure in the breather pipe is the same as that in the air storage cavity, in the deflation process, due to the fact that a high-pressure environment is formed in the breather pipe, the air pressure can be rapidly reduced after the breather pipe is communicated with the outside, and the pressure release port is opened. A larger pressure difference instantly occurs in the vent pipe and the gas storage cavity, so that the response speed of the gas plug is fast enough; in the pressure release process, compressed gas in the gas storage cavity is directly discharged from the pressure release opening and does not pass through the breather pipe, and the compressed gas has no stroke loss in the release process.

The invention discloses a supervisor for landscaping. The supervisor for landscaping includes a cart, a water pump, a battery, a cleaning brush, a watering gun, a bucket, and a tool box, wherein a bucket fixing seat is arranged at the middle part of the cart; the bucket fixing seat is a bucket-shaped structure with an opened upper end; the bottom of the bucket fixing seat is arranged at the lowerend of the cart; the cart is connected with the middle part of the outer side of the bucket fixing seat; a pipe head placement port is arranged at one side of the upper end of the bucket fixing seat;a water outlet pipe is arranged at one side of the lower end of the bucket; the bucket is arranged in the bucket fixing seat; the water outlet pipe is arranged at the pipe head placement port; the tool box is arranged at the front side of the upper end of the cart; the water pump and the battery are arranged at the rear side of the upper end of the cart; the water pump is electrically connected tothe battery; a water inlet of the water pump is connected with the water outlet pipe; a water outlet of the water pump is provided with a tee; and the tee is communicated to the watering gun and thecleaning brush through a pipeline.

The invention relates to the field of textile fabrics, in particular to a towel fabric convenient for washing head. The fabric can effectively solve the problems that a traditional towel surface is slippy, does not have a storage function and is poor in water absorption effect. The towel fabric convenient for washing head structurally comprises a towel fabric body, wherein the towel fabric body comprises a first fabric body; a second fabric body is arranged on the upper side of the first fabric body through a first magic tape, and comprises a bamboo charcoal fiber layer on the upper side; a sponge layer is arranged on the lower side of the bamboo charcoal fiber; a polyester fiber layer is arranged on the lower side of the sponge layer. A third fabric body is arranged on the lower side of the first fabric body through a second magic tape, and is a silk fiber layer; a magic tape sticky hook is arranged on the left upper corner of the rear side surface of the towel fabric body; a magic tape base is arranged on the right upper corner of the front side surface of the towel fabric body. The towel fabric convenient for washing head is simple in structure, convenient to use, and suitable for multiple places.

The invention relates to a treatment device, in particular to an anti-explosion emergency treatment device for a fire sprinkler head. The technical problem to be solved by the invention is to provide the anti-explosion emergency treatment device for the fire-fighting spray head, which can prompt when the spray head is broken and can collect water sprayed by the spray head. An anti-explosion emergency treatment device for a fire sprinkler head comprises a first mounting plate, connecting rods, a second mounting plate, a first fixing column, a buzzer and a humidity sensor, the connecting rods are symmetrically arranged on one side of the first mounting plate, the second mounting plate is connected between the sides, away from the first mounting plate, of the connecting rods, and the first fixing column is arranged in the middle of the bottom of the first mounting plate; a buzzer and a humidity sensor are arranged on the first fixing column. When the spray head bursts and the humidity sensor detects that the humidity in the room reaches a preset value, the control module controls the buzzer to send a signal to remind people to maintain the spray head, so that the people can remedy the spray head as soon as possible.

The invention discloses a computer case with an energy-saving and humidifying device, which comprises a computer case and a humidifying device; an insert slot is arranged on the outer surface of one side of the computer case arranged with an air outlet; the humidifying device comprises a shell body, and one side of the shell body arranged with an air inlet is provided with an insert strip; the insert strip is inserted to the insert slot; the bottom plate of the humidifying device is leveled to the bottom plate of the computer case. The computer case with the energy-saving and humidifying device has the advantages of reducing indoor temperature, saving energy and protecting environment; the combination between the humidifying device and the computer case is tight, and the indoor space occupied is less.

The invention relates to a night umbrella with lighting and reflecting functions. The umbrella comprises an umbrella handle, an umbrella opening button, a lamp body base, an LED lamp set, a power storage chamber, a grip, an umbrella cover, a reflective strip and a lighting switch. The umbrella handle is provided with an umbrella opening button and the lamp body base, and the lamp body base is provided with a grip, a power storage chamber, a lighting switch and a three-sided LED lamp set; the power storage chamber is connected with the LED lamp set through the lighting switch, and the fan surface is provided with two circles of reflective strips. The invention has the beneficial effects that the LED lamp set can be turned on at night in rainy days, the visibility of a user is improved, theother hand of the user is released, the reflective stripes of the automobile rearview mirror can remind a vehicle running on a road to pay attention, and the problems that the vehicle spatters water waves and collides due to the too high speed of the vehicle are solved.

The invention discloses a toiletry sorting device for students. The device comprises a device frame body; the device frame body is provided with four supporting legs; the device frame body is formed by welding stainless steel rods, stainless steel skin and stainless steel tubes; the side, provided with a washbasin placement part, of the center of the upper part of the device frame body is providedwith a washing soap placement part, a fancy soap placement part and a face cleaning article placement part; the other side of the washbasin placement part is provided with a towel suspension rod anda tooth brushing article placement part; and a washtub placement table is arranged below the washbasin placement part. The integrated design structure is adopted to integrally place articles needing to be used in life into the designed device frame structure, so that the effects of sanitation, convenience in use and difficulties in loss in a dormitory can be effectively achieved, good use experience can be provided for the students who get up early in the morning, the problems of disorder and dirtiness ubiquitous in the dormitory can also be well solved, and the device is very suitable for popularization and use in families and persons.

The invention discloses an improved stone grinder waterproof cover. The improved stone grinder waterproof cover is characterized in that the improved stone grinder waterproof cover comprises a stone grinder rotary disc 1, organ covers 3 with reserved holes, fastening screws 2, stone grinder outer cover reserved screw holes 6, a stone grinder outer cover 9, PVC water pipes 5, a plastic water collection trough 4 with holes in the bottoms of the two ends of the upper portion, a plastic water collection trough 7 with holes in the tails of the two ends of the lower portion and end water guide pipes 8; the organ covers with the reserved holes are fixedly connected into the stone grinder outer cover reserved screw holes in the stone grinder outer cover through the fastening screws; the plastic water collection trough with the holes in the bottoms of the two ends of the upper portion and the plastic water collection trough with the holes in the tails of the two ends of the lower portion are bonded to the organ covers with the reserved holes on the upper side and the lower side correspondingly and bonded to the inner walls of the organ covers with the reserved holes; and the PVC water pipes are connected with the plastic water collection trough with the holes in the bottoms of the two ends of the upper portion and guide accumulated water into the plastic water collection trough with the holes in the tails of the two ends of the lower portion. According to the improved stone grinder waterproof cover, water can be prevented from being splashed to a motor, operation is convenient, the form is attractive, the accumulated water is drained, and meanwhile the use effect of a stone grinder is guaranteed.