119results about How to "Avoid dirt" patented technology

The plate-type temperature adjusting equipment comprises a box body, a plate-type temperature adjuster and a scale wiping unit, the plate-type temperature regulator and the scale wiping unit are arranged in the box body, liquid is contained in the box body, and the plate-type temperature regulator is used for being immersed into the liquid to regulate the temperature of the liquid; the plate-type thermolator is provided with a plurality of plate-shaped fluid channels which are arranged side by side at intervals from front to back, a fluid inlet hole and a fluid outlet hole are formed in the front side and the rear side of each plate-shaped fluid channel respectively, and the fluid inlet holes and the fluid outlet holes are formed in the positions, close to the left side and the right side, of the plate-shaped fluid channels respectively. And a scale wiping unit is arranged in a gap between every two adjacent plate-shaped fluid channels, and the scale wiping units continuously do reciprocating motion in the gaps through a driving unit to disturb the side walls of the plate-shaped fluid channels, so that scaling is prevented. According to the plate type temperature adjusting equipment, the temperature of fluid is adjusted, and meanwhile impurities possibly causing crystallization and scaling are removed.

The utility model discloses a water-free humidifying oxygen generator which comprises an oxygen generating box, an air inlet is formed in the left side of the oxygen generating box, a high-pressure fan is installed in the oxygen generating box body and corresponds to the air inlet in position, a coarse filter is installed on the right side of the high-pressure fan, a compressor is installed on the right side of the coarse filter, and a water outlet is formed in the right side of the compressor. The right side of the compressor is connected with a condenser, the right side of the condenser is provided with an atomizer, the atomizer is connected with an air outlet pipe, and the oxygen generation box is provided with a controller. According to the oxygen generator, water vapor in compressed air is condensed and separated out through the condenser, condensed water drops are changed into mist through the atomizer, the problem that oxygen prepared by the oxygen generator is dry is solved, meanwhile, a humidifying cup does not need to be externally connected, dirt is prevented from being left after water in the humidifying cup is treated, the cleaning cost is reduced, and the cleaning efficiency is improved. Equipment performance fluctuation caused by water evaporation or temperature change is avoided, and the running stability of the oxygen generator is improved.

The invention discloses a valve cleaning device for valve machining, and relates to the technical field of valve cleaning, the valve cleaning device comprises a rack, a cabinet body is fixed on the top surface of the rack, a water baffle is fixedly mounted at the bottom end in the cabinet body, a motor is fixedly mounted at the bottom end in the rack, and a disc is fixed on the top surface of a rotating shaft of the motor; the disc penetrates through and is rotatably installed at the bottom end in the cabinet body, a water spraying assembly is arranged on the top surface of the cabinet body and comprises a water storage tank, the water storage tank is fixedly installed on the top surface of the cabinet body, a water inlet pipe is arranged at the top of the left side of the water storage tank, and a material opening is formed in the top surface of the water storage tank; according to the cleaning device, the electric spray head sprays a water body containing cleaning liquid to the surface of the rotating valve up and down in a reciprocating mode, and therefore the problem that the surface of the valve is washed unevenly through the electric spray head, and consequently the local part of the valve is dirty is solved.

The utility model provides a painting make-up pen which comprises a material storage barrel and a painting component connected to one end of the material storage barrel, the painting component comprises a pen point and a pen brush, the material storage barrel is used for storing paint, the pen point is installed on the material storage barrel and can allow the paint in the material storage barrel to flow out, the pen brush is detachably connected to the pen point in a sleeved mode, and the painting component is connected with the material storage barrel. And the paint in the storage barrel can flow out to bristles of the pen brush along the pen point. According to the painting make-up pen, the pen brush is sleeved on the pen point, so that the pen point does not need to be detached when the painting make-up pen is used, the painting make-up pen is convenient to use, paint materials cannot be scattered, the materials are saved, and smudginess is avoided.

The utility model belongs to the technical field of building engineering, and particularly relates to a raised dust treatment device for building construction. The device comprises a box body used for storing water, a partition plate is horizontally fixed in the box body and divides the box body into an upper area and a lower area, a negative pressure mechanism used for generating negative pressure in the box body below the partition plate is arranged in the box body above the partition plate, and a water inlet hole used for injecting water into the box body below the partition plate is formed in the box body. A drain hole is formed in the bottom of the box body, a first hole cover for sealing the drain hole is arranged corresponding to the drain hole, and a dust suction opening is formed in the outer side of the box body and communicated with the box body below the partition plate through a first connecting pipe. According to the design, negative pressure is generated in the box body below the partition plate, raised dust is sucked into the box body below the partition plate through the dust suction port, treatment is convenient, dirt can be prevented from being generated on the indoor ground, construction of workers is facilitated, water and the raised dust can be discharged through the first hole cover and the drainage hole, and cleaning is convenient.

The utility model provides an anti-scale plate-fin heat exchanger, and relates to the field of plate-fin heat exchangers. The anti-scale plate-fin heat exchanger comprises a heat exchanger body, end sockets are fixedly connected to the two sides of the heat exchanger body, movable grooves are formed in the front ends and the rear ends of the end sockets, connecting plates are slidably connected into the movable grooves, connecting rods are fixedly connected to one sides of the connecting plates, springs are arranged outside the connecting rods in a sleeving mode, and the springs are fixedly connected with the connecting plates. One end of the connecting rod is fixedly connected with a hand pulling plate, the other side of the connecting plate is fixedly connected with a plurality of clamping columns, and a containing groove is formed in the end socket. According to the anti-scale plate-fin heat exchanger, a hand pulling plate is pulled to operate a clamping column, so that the mounting bracket can be quickly mounted and dismounted, the filter plate is relatively simple and quick to dismount, the time spent on mounting and dismounting is shortened, the shutdown time of equipment during mounting and dismounting is shortened, and the working efficiency of the equipment is improved.

The invention relates to the technical field of centrifugal pump equipment, and provides a boiler water circulation centrifugal pump for an energy-saving boiler, which comprises a centrifugal pump, a pump shell and a side shell, the inner ring frame is located in the pump shell and is in butt joint with the water inlet, and impurities in water are filtered through a front filter plate and used for intercepting the impurities in the water; the arc-shaped plate is located in front of the filter plate, the opposite faces of the arc-shaped plate are attached to each other, when the filter plate rotates through an arc-shaped structure of the arc-shaped plate, impurities in meshes are scraped out to form a dredging effect, and meanwhile the arc-shaped plate is further used for guiding the impurities to the outer ring area; and the outer ring frame is located on the outer side of the inner ring frame and used for storing the intercepted impurities, and space communication is formed through a first separation net, close to the water inlet, on the inner side, so that the impurities enter the outer ring frame after being guided. During operation of the centrifugal pump, impurities in water are filtered in real time, automatic dredging treatment is formed, in addition, the blades can be cleaned in real time, the impurities cannot be adsorbed to form dirt and corrosion, and therefore the operation safety and the service life of the impeller and the boiler are guaranteed.

The invention discloses a method for manufacturing a micro lens in a groove and a micro lens structure in the groove, the transfer of the micro lens is completed through three times of etching processes, the manufacturing of the micro lens in the groove is realized, the depth of the groove can be accurately controlled, the error range of the depth of the groove is controlled within 2 microns, and the method is suitable for manufacturing the micro lens in an ultra-deep groove with the groove depth larger than or equal to 50 microns. Wherein the three-time etching process comprises one-time steady-state etching and two-time deep silicon etching, the steady-state etching can realize the transfer of the micro lens, the first-time deep silicon etching adopts fast-rate etching to quickly form the outline of the groove structure, and the second-time deep silicon etching adopts slow-rate etching to realize the accurate control of the depth of the groove structure.

The utility model relates to the technical field of enameled wire forming, in particular to enameled wire forming equipment, which comprises an equipment main body, a cleaning mechanism is arranged in the equipment main body, the cleaning mechanism comprises a cleaning box, and the cleaning box is fixedly mounted in the equipment main body. When cleaning is carried out, firstly, water in the water tank is sprayed out through the spray head through an external pump machine so as to wash an enameled wire, the motor is started so that the output end of the motor can drive the reciprocating lead screw to rotate, and under the limiting effect of the limiting rod, the lead screw sliding block reciprocates so that the enameled wire can be cleaned. The limiting block slides on the inner wall of the limiting groove, so that the stability of reciprocating motion of the lead screw sliding block is guaranteed, then the cleaning sleeve is driven to reciprocate, the cleaning sleeve in reciprocating motion can sweep the enameled wire in a reciprocating mode, washing with clear water is matched, the enameled wire can be effectively cleaned, and impurities or dirt are prevented from remaining on the surface of the enameled wire.

The present invention provides a control method for a washing machine, the washing machine comprising: a housing; an inner drum, arranged in the housing, and having a washing chamber for independently holding washing water; the detection component is arranged on the inner drum, the position of the detection component can be raised / lowered as the water level rises / lowers, and the sensing component detects the position change of the detection component accordingly; the control method comprises: during the water inlet process of the washing machine, the inner drum is positioned to a position relative to the detection component and the sensing component, and the washing machine detects the position of the detection component by the sensing component to obtain the water level in the inner drum. The control method of the washing machine of the present invention realizes the water level detection of the inner drum without holes by controlling the positioning of the inner drum and cooperating with the water level detection device during the water inlet process, and the water level detection is accurate, simple, effective, stable and reliable.

The present invention relates to the technical field of oral care equipment, and in particular to an oral care instrument, comprising an instrument body and a mouthwash box, wherein a water pump is arranged inside the mouthwash box, a hose is connected to one side of the water pump, one end of the hose is connected to a fixed shell, a soft brush is installed inside the fixed shell, a protective sleeve, a collecting sleeve and a placing sleeve are connected to the lower outer side of the instrument body, a sleeve cavity is opened on the top surface of the placing sleeve, a plurality of clamping columns are arranged at equal intervals on the inner side of the placing sleeve, and a clamping plate is connected to one side of the placing sleeve; by making the inner side of the protective sleeve fit the lower jaw, saliva is drained into the collecting sleeve to prevent saliva from dirtying clothes; by clamping the wire in the clamping column and clamping the clothes with the clamping plate, the wire is prevented from swinging randomly and affecting normal activities; the instrument body and the protective sleeve are firmly fixed on the placing sleeve, and clamped on the clothes with the clamping plate, to prevent the instrument body from being randomly placed and dirty.

The invention relates to the technical field of dish-washing machines, and discloses a dish-washing machine with a residue treatment structure, the dish-washing machine comprises a machine body, a fixing strip is fixedly mounted in the machine body, a fixing plate is slidably connected in the fixing strip, and a dish basket is fixedly mounted on the inner side of the fixing plate. When the dish washing machine is used for washing bowls and dishes, the impact force of washing water can drive movable blades to rotate, the movable blades can drive a rotating shaft and a movable shaft to rotate when rotating, the movable shaft can drive a sliding rod to slide in a reciprocating mode when rotating, and the sliding rod can drive a cleaning sleeve to slide on the surface of a filtering shaft when sliding. When the cleaning sleeve slides, the cleaning block is driven by the connecting rod to slide on the surface of the bowl basket, so that residues adhered to the surface of the bowl basket are treated, the residues in bowls and dishes are prevented from adhering to the bowl basket, bacteria breeding and peculiar smell generation are avoided, and the cleaning efficiency and quality of the dish washing machine are improved.

The present invention discloses a glass sorting device and method, and a computer-readable storage medium, wherein the glass sorting device includes an AOI detection device, a material discharge position, and a controller, wherein the AOI detection device is provided with a discharge port, and the discharge port is connected to a conveyor belt; the outlet of the conveyor belt is connected to a uniformly driven docking line, and docking platforms are fixed on both sides of the docking line; the discharge port and the outlet of the conveyor belt are distributed around the docking platform; the docking line is connected to the conveyor belt and the corresponding docking platform, and the position where the material discharge position is connected to the docking platform is provided with sensors; the controller is electrically connected to the AOI detection device, the docking line, and the sensor, respectively. The present invention controls the AOI detection device, the docking line, and the sensor through the controller, and the sensor detects whether the glass product exists, so as to realize the classification of the glass from first to last according to the corresponding category, effectively replacing manual sorting, improving production capacity, and only requiring manual contactless production throughout the process, greatly improving the product yield rate.

The utility model discloses a quantitative filling machine for radix astragali and colla corii asini oral liquid, and belongs to the technical field of pharmaceutical equipment. A quantitative filling machine for radix astragali and colla corii asini oral liquid comprises a frame body, a spraying assembly is connected to the frame body, a nozzle is connected to the spraying assembly, and the quantitative filling machine further comprises an external pipe connected to the nozzle in a threaded mode; the second pump body is connected to the frame body, the inlet end and the outlet end of the second pump body are connected with a liquid inlet pipe and an air outlet pipe respectively, and the air outlet pipe is connected with an air supplementing pipe; the plurality of groups of connecting holes are formed in the external pipe; the ring body is connected to the external connecting pipe, the connecting hole is located in the ring body, and the ring body is communicated with the liquid inlet pipe; by means of the arrangement of the external pipe and the second pump body, residual astragalus membranaceus and donkey-hide gelatin oral liquid in the nozzle can be sucked, dirt, caused by natural dripping, of a tank body or a conveying belt is avoided, meanwhile, the liquid can be collected, and use is convenient.

The utility model discloses a floor disinfection device for household washing, which comprises a shell, a first partition plate, a second partition plate and a third partition plate are sequentially and fixedly connected to an inner cavity of the shell from left to right, and a first filter screen is slidably connected to the left sides of the top and the bottom of the inner cavity of the shell; fans are connected to the front side and the rear side of the left side of the top of the shell through bolts, air inlet pipes of the fans communicate with the shell, a dust collection mechanism is riveted to the top of the left side of the shell, fans are fixedly connected to the front side and the rear side of the right side of the top of the shell in a penetrating mode, and a heating mechanism is connected to the right side of a third partition plate through bolts. Through the cooperation of the first filter screen, the fan, the support plate, the electric push rod, the dust suction pipe and the telescopic pipe, the floor cleaning device has the advantage of cleaning function, impurities on the floor can be subjected to dust suction treatment, the situation that dust and disinfectant are mixed to form dirt is avoided, and then the cleanliness of the floor is improved.

The utility model relates to the technical field of nursing bibs, and discloses a disposable multifunctional nursing bib which comprises a binding belt and a cloth layer, the center of the bottom of the binding belt is fixedly connected with the cloth layer, a cloth pocket is sewn at the front end of the cloth layer, isolating strips are longitudinally fixed on two sides of the inside of the cloth pocket, and the isolating strips are connected with the cloth layer. A storage groove is formed between the side face of the isolation strip and the cloth pocket, and a main cavity is formed between the center of the interior of the cloth pocket and the isolation strip. According to the multifunctional nursing bib, the cloth pocket is sewn at the front end of the cloth layer, collection can be conducted through the cloth pocket sewn at the front end of the cloth layer, the flow guide pipes connected to the two sides in an inserted mode are inserted into the containing grooves, moisture absorption gaskets are fixed to the front surface of the cloth layer and the inner wall of the cloth pocket, and the rear portion of the cloth layer is provided with a water-resisting layer surface layer made of rubber pieces. And liquid and dirt which flow out in an uncontrolled manner in the mouth can flow downwards along the moisture absorption gasket and then enter the cloth bag, so that the problem that the liquid is easy to leak is solved.

This invention discloses a high-efficiency polishing device and method for multi-station, same-size brass rods, including a worktable; a support frame fixedly connected to the worktable, on which a polishing component is mounted; two synchronous belts fixedly connected to the worktable, located at opposite ends of the worktable; multiple arc-shaped frames fixedly connected to the synchronous belts, with retaining rings rotatably connected within each arc-shaped frame; a gear fixedly connected to the end of each retaining ring furthest from the worktable; and extension frames fixedly connected to both ends of the worktable. In this invention, by using synchronous belts in conjunction with arc-shaped frames and retaining rings, the user can place the brass rod into the retaining ring. The retaining ring then moves towards the polishing component under the drive of the synchronous belt. During this movement, the gear and rack mechanism allows the brass rod to rotate while moving horizontally, enabling more efficient polishing operations in conjunction with the polishing component.

The invention discloses an LED lamp shell convenient to clean, and relates to the field of LED lamp shells, the LED lamp shell convenient to clean comprises a lamp shell and a main body, a second fixing ring is arranged at the bottom of the lamp shell, an annular groove is formed in the bottom of the second fixing ring, a rough plate is arranged on the outer side of the lamp shell, and a sliding ring is fixed to one side of the bottom of the rough plate; a thin plate is arranged on one side of the bottom of the sliding ring, a second groove is formed in the thin plate, and a sliding column is slidably connected to the interior of the main body. A rough plate can effectively intercept light of a lamp, stimulation to human eyes is reduced, the position of the thin plate is adjusted, and the light emitted by the lamp cannot be intercepted; brightness is effectively increased, brightness adjustment required by different scenes can be carried out, when a rough plate and a fine plate rotate, the surface of the lamp shell can be cleaned, dust of the rough plate and the fine plate can be cleaned through an L-shaped plate, and dust and dirt on the surfaces of the lamp shell, the rough plate and the fine plate are prevented.

The present invention is capable of preventing the occurrence of dirt caused by a medicament fed into a medicament feeding box. The washing machine is provided with: a medicament input box having a supply part to which a medicament is supplied; and a washing machine main body having an accommodating part for accommodating the medicine input box. The drug input cassette has a wall portion located between the supply portion and the inner surface of the storage portion. The wall portion is provided with a through hole connecting the supply portion and the outer side of the drug input box. The drug feeding box is provided with a guide part, and the guide part guides water flowing out of the drug feeding box from the through hole to the inner surface side of the containing part.

The live mosquito catching device comprises a catching frame and a handle, the bottom of the catching frame is rotationally installed at the top of the handle, a locking screw for fixing the catching frame is arranged on the catching frame, and a fixing sleeve net is arranged on the rear side of the catching frame; two elastic ropes attached to each other are fixed to the middle of the catching frame, an arch-shaped flexible net is installed between each elastic rope and the catching frame, a plurality of traction ropes are fixedly connected to one side of each elastic rope, and the other end of each traction rope is connected with an opening and closing traction mechanism on the handle; a guide wheel set matched with the traction rope is arranged on the catching frame. The mosquito trapping device can trap mosquitoes alive, and the mosquitoes can be killed or collected and stored without harm after being trapped. Compared with physical electric shock killing, the device is safer; compared with chemical trapping, the method is more environment-friendly; compared with a traditional mosquito and fly swatter, the mosquito and fly swatter is more sanitary, and dirt or damage of attachments is avoided; and compared with a mosquito and fly swatter catching net, the catching efficiency is higher.

The utility model discloses a cable cleaning device for municipal engineering relates to cable cleaning technical field, including cleaning box, the downside fixed connection of cleaning box has dust collection box, the front and back both sides center position of cleaning box all are fixedly installed with push rod, and the output of push rod penetrates the outside of cleaning box and is fixedly connected with the push board, and the inside of push board is provided with the sliding slot, and the upper and lower sides of push board all are provided with the limiting slot of penetration, and the inside of limiting slot is slidably connected with the sliding rod through the sliding block, and the outside right -hand member of push board is fixedly installed with drive motor, and the output of drive motor penetrates the outside of push board and is fixedly connected with the curved wheel. The utility model discloses a cleaning box, push rod, push board, sliding slot, sliding rod, drive motor, curved wheel, spring and brush can be effectively cleaned to different specifications overhead cable, prevent dust accumulation on the cable surface and form dirt, avoid dirt to cause corrosion or damage to the insulating layer of cable, effectively slow down the aging of line.

The utility model discloses auxiliary equipment for software development, and relates to the technical field of software development appliances, the auxiliary equipment comprises a main box body and a bottom plate, the bottom end of the main box body is fixedly connected with a plurality of support columns, the bottom end of the bottom plate is fixedly connected with an air pipe, one side of the outer wall of the air pipe is communicated with an inflating bag, and the inflating bag is fixedly connected with the air pipe. A pressing plate is fixedly connected to the top end of the inflating bag, a guide table is fixedly connected to one side of the main box body, and sliding blocks are slidably connected to the two sides of the inner wall of the main box body. Through the main box body of which the interior is communicated with the air pipe and the outer wall is provided with the plurality of blowing holes, the equipment can blow air into the air pipe by treading the pressing plate with a foot, then paper scraps or dust in the main box body is blown out, and the paper scraps or dust in the main box body can be blown out through the paper shifting plastic block which is made of soft rubber and is provided with the plurality of anti-skid grooves at the bottom. And the paper can be pulled out by the paper shifting plastic block when the handle is pulled by the equipment.

The present invention belongs to the technical field of washing machines, and discloses an inner barrel flange assembly of a washing machine and a washing machine, wherein the inner barrel flange assembly comprises a flange body, a sealing plug body arranged on the flange body, and a driving component, wherein the driving component comprises a centrifugal slider; the centrifugal slider has a driving surface, and the centrifugal slider slides along the radial direction of the flange body, and the sealing plug body contacts and cooperates with the driving surface and moves accordingly. The inner barrel flange assembly of the present invention integrates the sealing plug body and the centrifugal slider on the flange body, has a compact structure, occupies a small space, and the sealing plug body can move with the driving surface of the centrifugal slider. The drainage function of the independent water-containing inner barrel can be realized through a simple mechanical structure, thereby reducing the manufacturing cost.

The invention provides an all-glass water-pumping liquid heating device, and relates to the technical field of household appliances, the all-glass water-pumping liquid heating device comprises a main machine body, the main machine body is provided with a heating kettle body, the heating kettle body comprises an all-glass inner container used for loading liquid, the main machine body is movably covered with a movable cover body, and the movable cover body is located above the all-glass inner container; a liquid pumping pipe, a liquid conveying pipe and an opening and closing valve which are communicated with water are arranged on the movable cover body, the liquid pumping pipe is inserted and assembled into an upper opening of the all-glass inner container, and a jacking piece used for controlling the opening and closing valve to be opened is arranged on the main machine body; when the movable cover body covers the main machine body to enable the jacking piece to be connected with the opening and closing valve, the opening and closing valve is opened to enable the movable cover body to be communicated with the water channel of the main machine body. The water pumping device has the beneficial effects that when the movable cover body is pulled up, the blocking piece can block the opening and closing valve to achieve water sealing and disconnection of the water pumping waterway, at the moment, residual liquid in the movable cover body cannot flow down to cause the water dripping phenomenon, and dirt is avoided.

The utility model discloses a tea bar machine flower stand pipeline connecting mechanism which comprises a tea bar machine box body and a tea bar machine flower stand installed on the edge of the top face of the tea bar machine box body, two flower stand pipelines are arranged in the tea bar machine flower stand, and sealing hoses are connected to the two ends of the outer portions of the two flower stand pipelines in a sleeved mode. The tea bar machine flower stand comprises a flower stand body and a flower stand cover installed at the upper end of the side face of the flower stand body, two water inlet ports are formed in the bottom of the flower stand body, and two water outlet ports are formed in the bottom of the flower stand cover. The utility model provides a tea bar machine flower stand pipeline connecting mechanism which solves the problems that a tea bar machine flower stand pipeline is prone to smudginess, a flower stand is difficult to assemble and the like.

The invention relates to the technical field of oil-gas-water separation, in particular to an oil-gas-water three-phase separation device for an oil well, which comprises a shell and a bottom plate, the bottom plate divides the interior of the shell into a separation cavity and a filter cavity, the top of the shell is provided with a gas outlet, the left side of the separation cavity is provided with an inlet, and the right side of the separation cavity is provided with an oil outlet; a water outlet I is formed in the bottom of the separation cavity, and a first separation layer and a second separation layer are arranged in the separation cavity. Side scraping rods are arranged at the two ends of the bottom scraping rod, a central rotating shaft is arranged in the middle of the bottom scraping rod, a motor is arranged in the filtering cavity, the output end of the motor is connected with the central rotating shaft, and an electric heating rod is arranged on the bottom scraping rod. Oil, gas and water fall on the conical plate after being collided and slowly flowing for multiple times on the first separation layer and the second separation layer, and gas is thoroughly separated from oil and water through multiple times of separation of the first separation layer, the second separation layer and the conical plate.

The utility model relates to sealing strip processing technical field, and disclose a kind of sealing strip cleaning mechanism, including cleaning tank and the cover plate of being set above cleaning tank and being compatible therewith, the side wall of cleaning tank is fixedly installed with hydraulic pressure jacks, cover plate is fixedly installed in the telescopic end of hydraulic pressure jack, the lower surface of cover plate is provided with clamping positioning assembly corresponding sealing strip, the inner wall of cleaning tank is respectively provided with flushing component and brush washing component.The sealing strip cleaning mechanism, sealing strip is clamped in below cover plate, the bottom side of sealing strip is hung in cleaning tank inside, through the rotation of stand column driven by speed reducer, it can drive cleaning brush roller to rotate in horizontal direction, in the process of rotation, based on bevel gear and bevel gear ring meshing, it can drive cleaning brush roller to rotate, in the process of periodic positive and negative reciprocating rotation of speed reducer, utilize the surface friction contact of cleaning brush roller and the sealing strip of hanging, realize the effect of scrubbing to sealing strip surface, ensure the cleanliness of sealing strip cleaning.

The utility model discloses a painless blood pressure measuring instrument, which relates to the technical field of blood pressure measurement and comprises a box body, a placing groove is arranged on the surface of the top of the box body, a measuring instrument is clamped inside the placing groove, a groove is arranged at the bottom end of the top of the measuring instrument, and a switch control button is fixedly connected inside the groove. The two ends of the inner bottom wall of the groove are fixedly connected with clamping grooves, and one side of the groove is rotationally connected with a protection plate. According to the utility model, through the arrangement of the groove, the clamping groove, the protection plate and the clamping block, the switch control button can be protected during use, so that a measuring instrument is prevented from entering a running state due to the fact that the switch is turned on accidentally, and the practicability of the device is greatly enhanced; through the arrangement of the protection bag, the hook-and-loop fastener and the loop-side hook-and-loop fastener, during use, the external protection bag of the measuring bandage can be detached and cleaned, so that the situation that the protection bag becomes dirty due to long-time use is avoided, bacteria are reduced, and the use effect of the device is improved.