50results about How to "Easy to use in hand" patented technology

A compact spotting scope includes a housing with an outer surface having a grasping region sized and shaped to fit in the palm of a user's hand so that the spotting scope can be held at eye level with one hand in an ergonomic arm and wrist position for steady support. An optical element positioned within the housing is adjusted by manually rotating a side-mounted adjustment knob that extends laterally from the outer surface of the housing opposite the grasping region. The side-mounted position of the adjustment knob allows the arm and wrist of the focusing hand to be maintained in an ergonomic position during manipulation of the adjustment knob, thereby further facilitating steady support. An internal support member of the spotting scope includes a frame portion and a generally tubular portion, which are preferably formed together of unitary one-piece construction for aligning optical elements of the spotting scope.

In an ultrasonic washer for washing by splaying washing toward an object to be washed or a portion to be washed from a front end of a nozzle, a part of an ultrasonic wave propagation member connected to an ultrasonic transducer is protruded into a cavity of the nozzle into which the washing is filled in order to propagate ultrasonic vibration generated by the ultrasonic transducer to the washing efficiently. Furthermore, the ultrasonic wave propagation member is formed so that a cross-sectional area becomes gradually smaller as approaching to the front end thereof, so that the ultrasonic vibration is converged to the end face of the ultrasonic wave propagation member. Still furthermore, a length of the ultrasonic transducer and the ultrasonic wave propagation member is made to be integral multiplication of a half-wavelength of ultrasonic standing wave oscillation, and the end face of the ultrasonic wave propagation member from which the ultrasonic wave is emitted to the washing is disposed at a position of antinode of the ultrasonic standing wave oscillation where the amplitude becomes the largest.

The invention provides a mouth opener allowing opening degree to be adjusted. The mouth opener comprises an upper jaw supporting plate, a lower jaw supporting plate, an upper retainer, a lower retainer, a rotating bar, a connecting box, a motor and a handle. The front end of the upper retainer is detachably connected with the upper jaw supporting plate; the rear end of the upper retainer is connected with the connecting box; the front end of the lower retainer is telescopically connected with the lower jaw supporting plate; the rear end of the lower retainer is hinged to one end of the rotating bar; a worm gear and worm matching with each other are disposed inside the connecting box; the rotating bar is connected with the worm gear through a driven shaft arranged in the axis of the worm gear; the rotating bar is perpendicular to the driven shaft; the worm is connected with a motor which provides power; the handle is arranged under the connecting box. The mouth opener has the advantages that the opening degree of the mouth can be automatically controlled and retained, ensuring opening precision and opening convenience; the components are easy to replace, ensuring usage for various types of patients in the rehabilitation period and ensuring high efficiency and low cost; the mouth opener is convenient for the patient to hold by hand for use.

The invention relates to the technical field of industrial brushes, and provides an electric industrial brush with a cleaning function. According to the electric industrial brush, the problems that atraditional industrial brush adopts a manual cleaning mode, and the cleaning effect is poor; and the labor intensity is high, while an existing electric industrial brush is large in occupied space andinconvenient in use are solved. The electric industrial brush comprises a device shell, and the device shell comprises a handle part and a core part which are formed integrally; a pressing switch isarranged on the handle part, and one end of the core part is rotatably provided with a rotating sleeve in an inserting mode; the end, located in an outer cavity of the core part, of the rotating sleeve is provided with a fixing hood, and the other end of the fixing hood is provided with a brush roller detachably; a plurality of rows of bristles are arranged on the annular outer wall of the brush roller, and an inner cavity of the brush roller is provided with a spray cleaning mechanism; and the upper end of the core part is provided with a cleaning liquid tank. The electric industrial brush isespecially suitable for flexible cleaning of industrial machines, and has higher social use value and broad application prospects.

Disclosed is a portable device for delivering a medicament or the like into the body of a human or animal subject, the device comprising: a medicament compartment containing the medicament or the like to be delivered; delivery means comprising an orifice through which the medicament or the like is expelled from the device; and an internal combustion engine which provides the motive force by which the medicament is expelled from the device.

The invention provides a mouth opener allowing opening degree to be adjusted. The mouth opener comprises an upper jaw supporting plate, a lower jaw supporting plate, an upper retainer, a lower retainer, a rotating bar, a connecting box, a motor and a handle. The front end of the upper retainer is detachably connected with the upper jaw supporting plate; the rear end of the upper retainer is connected with the connecting box; the front end of the lower retainer is telescopically connected with the lower jaw supporting plate; the rear end of the lower retainer is hinged to one end of the rotating bar; a worm gear and worm matching with each other are disposed inside the connecting box; the rotating bar is connected with the worm gear through a driven shaft arranged in the axis of the worm gear; the rotating bar is perpendicular to the driven shaft; the worm is connected with a motor which provides power; the handle is arranged under the connecting box. The mouth opener has the advantages that the opening degree of the mouth can be automatically controlled and retained, ensuring opening precision and opening convenience; the components are easy to replace, ensuring usage for various types of patients in the rehabilitation period and ensuring high efficiency and low cost; the mouth opener is convenient for the patient to hold by hand for use.

The invention discloses a packing device for a large-scale packaging tape. The packing device comprises a main body, an upper support plate, pressure roller devices, roller shafts, a grip, and tape rollers. The main body is provided with the upper support plate, the upper support plate is provided with the multiple roller shafts, a protruding block is arranged at the upper end of the upper supportplate, the protruding block is provided with the multiple pressure roller devices, the grip is arranged at the lower end of the main body, and the tape rollers are arranged at the front end of the main body. By arranging the upper support plate on the main body and clamping a tape roll by the cooperation of the pressure roller devices and the roller shafts on the upper support plate, and the userange of the packing device for the tape can be enlarged compared with a traditional packing device for the tape, so that the packing device for the tape can also be used normally when facing large tape rolls. By arranging the tape rollers on the main body, the tape is exported by the tape rollers, the tape is cut by a cutter to enable the tape to be used again conveniently, and the grip is arranged at the lower end of the main body so as to be easily used in hand.

The invention relates to the technical field of medical apparatus and instruments and discloses an enhanced narcosis therapy catheter. The enhanced narcosis therapy catheter comprises an infusion tube, wherein reinforcing layers are fixed on two sides of the infusion tube; the outer sides of the reinforcing layers sleeve with a sleeve; springs are fixedly connected to two sides of an inner cavityof the sleeve; the top of the sleeve is fixedly connected with a connecting block; the top of the connecting block is movably connected with a cannula; baffles are fixedly connected to two sides of the interior of the cannula; insertion rods are inserted to two sides of the cannula; clamping blocks are fixedly connected to one ends of the insertion rods; and the top of the cannula is fixedly connected with a sealing layer. According to the enhanced narcosis therapy catheter, due to movable connection between the connecting block and the cannula, the catheter is conveniently mounted and detached; due to the baffle and the insertion rods, the stability is conveniently enhanced during fixed connection, and the catheter is prevented from dropping; and by virtue of a viewing port starting fromthe joint, the injection condition is conveniently observed, the enhanced narcosis therapy catheter is conveniently held to use by medical personnel, and the aim of convenience and practicality is achieved.

The invention discloses an improved type water cutting robot device which comprises a movable box body. The improved type water cutting robot device is characterized in that movable rollers are arranged at the lower end of the movable box body, wherein a disassembly device is arranged on the right end surface of a supporting rod; the lower end of a locking block is fixedly connected with a strong-pressure water sprayer; a water pumping tube is arranged on the center position of the upper end of the strong-pressure water sprayer; a water pumping pump is fixedly connected with the lower end of the rear end surface of the movable box body; a water filling space is formed inside the movable box body; a water adding tube is arranged at the upper end of the left end surface of the movable box body; a plurality of stirring blades are uniformly distributed on the shaft body of a rotary shaft; and a water-flow buffer slot with an upward opening is formed in the right side of the upper end surface of the movable box body. In work, water which penetrates through an object is injected into the water-flow buffer slot, so that cyclic utilization of water resources is guaranteed, working strengthof water cutting can be strengthened by steel grit, connection is stable, dismounting and replacing are convenient, and handheld use under a special condition is met.

The oral cavity millimeter wave therapeutic apparatus comprises a host, an antenna mechanism connected with the host on the same axis and a handheld mechanism connected with the host, the axis of the handheld mechanism is perpendicular to the axis direction of the host, and the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protection cover. The host comprises a millimeter wave source and a waveform transformation attenuation device, the waveform transformation attenuation device comprises an attenuation unit and a waveform transformation unit which are integrated into a device, the attenuation unit is connected with the millimeter wave source through a flange, and the attenuation unit is suitable for attenuating millimeter wave power emitted by the millimeter wave source to a target value; the waveform conversion unit is connected with the circular waveguide, and the waveform conversion unit is suitable for converting the field pattern of the millimeter waves after power attenuation from TE10 waves in the rectangular waveguide to circularly polarized waves in the circular waveguide so as to provide required millimeter wave output power for the millimeter wave antenna. The oral cavity millimeter wave therapeutic apparatus can penetrate into the oral cavity for precise irradiation, and can ensure a large millimeter wave energy adjustment range.

An ultrasonic cleaning device that sprays washing liquid from the tip of the nozzle to the object to be washed or the place to be washed for washing. In order to efficiently transmit the ultrasonic vibration generated by the ultrasonic vibrator to the washing liquid, the ultrasonic transmission body combined with the ultrasonic vibrator A part protrudes toward the cavity of the nozzle filled with washing liquid. In addition, its cross-sectional area gradually becomes smaller toward the tip portion of the ultrasonic transmitting body, so that ultrasonic vibrations are converged to the end surface of the ultrasonic transmitting body. In addition, the length of the ultrasonic vibrator and the ultrasonic transmission body is equal to an integer multiple of the half-wavelength length of the ultrasonic standing wave vibration, and the end face of the ultrasonic transmission body that radiates ultrasonic waves to the cleaning liquid is arranged at the position of the abdomen of the ultrasonic standing wave vibration with the largest amplitude. superior.

The invention belongs to the field of automobile cleaning and provides a cleaning device characterized by comprising a water feeding assembly, a pressurizing assembly and a spray nozzle assembly. Thelower end of the water feeding assembly is provided with a water supplying joint; a water feeding channel is arranged over the water supplying joint; a movable plug is disposed in the water feeding channel; a water supplying pipe is arranged on one side surface of the water feeding channel; the pressurizing device is connected over the water supplying pipe; and the spray nozzle assembly is connected to one end of the pressurizing assembly. A user holds the cleaner, presses and switches on a manual switch; the movable plug upwardly moves and water begins to be fed in; after the manual switch contacts a battery switch, the batter switch turns on; water is pressurized when being fed in; the manual switch is loosened and water feeding is stopped and a motor stops working; a clean water sprinkler and a detergent sprinkler clean each position with assistance of a prolonged water feeding pipe in an easy way; the cleaning device can be conveniently operated; and great cleaning effect can be achieved due to the pressure applied to the water; and a lithium battery capable of being repeatedly charged and discharged is applied, so the cleaning device can be hand-held.

The invention discloses a handheld radio frequency beauty hand tool. The handheld radio frequency beauty hand tool comprises an anti-skid base, a supporting back plate, a supporting assembly, a limiting assembly, a handheld shell, a beauty assembly, an atomization assembly, an electric control board and a charger, wherein the supporting back plate is fixedly mounted at the edge of one side of the top end surface of the anti-skid base through welding; the supporting assembly is fixedly mounted on one side of the supporting back plate, the limiting assembly is mounted in the center of the end surface of the other side of the supporting back plate, the handheld shell is arranged on the outer side of the limiting assembly, the bottom of the handheld shell is connected with the supporting assembly, and the electric control board is fixedly mounted on one side of the end surface of the handheld shell; and the beauty assembly is arranged in the handheld shell. The handheld radio frequency beauty hand tool is simple in structure, small in size and convenient to hold and use. A stable supporting structure is arranged, so that the taking convenience is greatly improved. Besides, the handheld radio frequency beauty hand tool also has cleaning and moisturizing functions, and is matched with a radio frequency function, so that improving the beautifying effect is facilitated.

The invention discloses a handheld smoke spraying bee blower special for bee keeping. The handheld smoke spraying bee blower comprises a combustion chamber. A vacuum heat insulation layer is arranged inside the combustion chamber. A hollow isolation layer is arranged at the bottom of the combustion chamber. An air inlet is formed in one side below the isolation layer. A blast chamber is connected to the exterior of the air inlet. A fan is arranged inside the blast chamber. A bee disinfection itching stopping lotion chamber is arranged above the blast chamber; a handle is arranged on one side of the combustion chamber, a battery device is embedded into the handle, a fan switch is arranged above the handle, a pressing switch is arranged below the handle, and a reset spring is arranged between the handle and the combustion chamber; an illumination lamp and a smoke outlet are arranged above the combustion chamber, and the pressing switch controls an illumination lamp to be turned on and turned off; the smoke outlet is connected with a universal hose. The handheld smoke spraying bee blower special for bee keeping is reasonable in structural design, capable of being held by the hand of a user conveniently, can prevent high temperature inside the combustion chamber from being conducted to the exterior of the combustion chamber, and meanwhile, the user can use the blower conveniently at night. In addition, when the user is stung by a bee, liquid medicine for primary treatment can be provided.

The invention discloses a wearable computer used for human-computer interaction for a standing or walking person. The computer comprises a computer host and keyboards, the computer host is connected with the mobile or wireless Internet, the keyboards consist of a left-hand keyboard and a right-hand keyboard which are used for human-computer interaction by a left hand or a right hand respectively, the left-hand keyboard and / or the right-hand keyboard are arranged on the outer surface of the computer host, and the left-hand keyboard and the right-hand keyboard are arranged in the left side position and the right side position of the waist of the user respectively.

The invention discloses a household electric mop. A handheld rack is arranged at one end of the mop body, a handheld rod is arranged at one end of the handheld rack, and a motor switch is arranged on the handheld rod; a supporting rod is arranged at one end of the handheld rod, a buckle is arranged on the supporting rod, and a control circuit is arranged in the supporting rod; a storage battery is arranged at one end of the control circuit, a base is arranged on the bottom of the supporting rod, and a universal shaft is arranged between the base and the supporting rod; a connection shaft is arranged at one end of the universal shaft, an inner cavity is formed in the base, and a driving motor is arranged in the inner cavity; a rotation shaft is arranged at the bottom of the driving motor, a shield is arranged at one end of the rotation shaft, fixing shafts are arranged at two ends of the shield, and fixing holes are formed in two ends of the base. The household electric mop is novel in structure and convenient to operate, through the handheld rod and the handheld rack, the household electric mop is used in a handheld mode conveniently, and the direction of the base is kept by the universal shaft conveniently; the driving motor drives cleaning sponge, the floor is cleaned conveniently, the mechanical performance is high, the working efficiency is improved conveniently, and the mop is used in a house conveniently.

The embodiment of the invention discloses a code scanning recognition method and device, equipment and a medium. According to the scheme, the method comprises the following steps: acquiring an induction signal detected by a sensing module; judging whether a numerical value corresponding to the sensing signal meets a preset state condition or not to obtain a judgment result; when the judgment result shows that the numerical value corresponding to the sensing signal meets the preset state condition, starting a code scanning module corresponding to the target working mode to perform code scanning identification; the code scanning module corresponding to the target working mode is the first code scanning module or the second code scanning module.

The invention provides an aluminum mould pulling piece dismounting tool capable of being repeatedly utilized conveniently. The aluminum mould pulling piece dismounting tool capable of being repeatedlyutilized conveniently comprises a steel tube and a supporting framework, wherein one end part of the steel tube is in the shape of a flat opening; the supporting framework comprises two bent reinforcing steel bars and supporting steel plates, wherein each bent reinforcing steel bar comprises a lap-joint part and a handle part, and an included angle between the lap-joint part and the handle part is an obtuse angle; the lap-joint parts of the two bent reinforcing steel bars are in doubled-sided welding with the other end part of the steel tube; and the supporting steel plates are uniformly andequally welded between the handle parts of the two bent reinforcing steel bars. The dismounting tool provided by the invention is simple in structure, is convenient and quick to hold with the hands for use, is small and reasonable in weight, and is convenient in processing and welding; the handheld supporting framework can break off the head of a pulling piece by a flat opening end of the steel tube, the handheld steel tube can cut off the pulling piece through the supporting steel plates, and the two parts can be used, so that the functions are various. The dismounting tool can quicken the construction progress of dismounting an aluminum mould pulling piece, and reduces damage to a wall surface.

The present invention relates to the technical field of an information communication service in the power industry and discloses a mobile server identification apparatus and a using method thereof. The mobile server identification apparatus comprises a server information acquisition apparatus, an image processing unit, a control module, a storage module and a clock circuit, wherein the storage module comprises an ROM storage, an RAM storage and an SD card storage; the output end of the server information acquisition apparatus is electrically connected with the input end of the control module; and the clock signal output end of the clock circuit is electrically connected with the signal input end of the control module by a wire. According to the present invention, effective update on a server standing book management system when the position of a server is changed and a new server is restocked can be realized; the mobile server identification apparatus is convenient for an operation and maintenance staff to hold with a hand for use in a computer room; by an image identification and character string format conversion program, extracted character string information is stored into the SD card storage in a form of an EXCEL file; the mobile server identification apparatus is convenient and rapid to use; working efficiency of server standing book management is effectively improved; and intelligent management is realized.

The invention relates to a task scheduling method of a data recorder. An ARM920T core processor is used as a master control chip of the data recorder; an 18-bit A / D chip is used for acquiring sensor data output by as many as 32 paths of analogue signals at the most and inputting the acquired signals into a CPU (central processing unit); the sensor data is encrypted and resolved in real time in the CPU; and the data recordercan run independently with an own power supply when an external power supply is failed, and also can perform autonomous multi-machine communication. The data recorder provided by the invention can acquire and store the data of multiple sensors on industrial instruments, provide comprehensive data for researching running conditions of the instruments, simultaneously facilitate detection and maintenance of devices, improve production level and provide effective running recording and control measures for related manufacture factories.

The invention discloses commodity label bar code printing and pasting equipment and belongs to the technical field of bar code printing and pasting equipment. The commodity label bar code printing andpasting equipment comprises a grip, a main shell is arranged at the top of the grip, a battery bin is arranged in the grip, a storage battery is arranged in the battery bin, a first support is arranged above the battery bin, and a start button is arranged on one side of the first support. Through the arrangement of the grip and the main shell, the device can be conveniently held by the hand for use; through the arrangement of the battery bin and the storage battery, the device can be conveniently used anytime and anywhere, and a power source does not need to be connected; through the arrangement of a Bluetooth receiving and transmitting module and a display screen, the device can be conveniently connected with other wireless devices, and printing content can be previewed; through the arrangement of a compaction roller and a second mounting frame, labels can be compacted, and the labels are prevented from falling off; and through the arrangement of a thermal printing head and a label stripping plate, the labels can be printed, and the labels can be stripped off to be pasted conveniently.

The invention discloses a portable sound wave temperature measuring device. The device comprises a body with a hollow structure, a first part and a second part, wherein a sound wave generator is arranged in the body, and the sound wave generator is communicated with a hollow part of the body; the first part is connected to an open end of the body and is provided with a cavity in which a sound wave receiver is mounted, and the cavity is communicated with the hollow part of the body; the second part is connected to a closed end of the body and internally provided with a channel, an input end of the channel is used for being connected with an air source, and an output end of the channel is connected with a sound generator; the first part forms a first grip for external hand holding on the body, and the second part forms a second grip for external hand holding on the body. The portable temperature measuring device is simple in structure and convenient to use, and the portable design is creatively carried out on the temperature measuring device. On the hand-held structure, in order to reduce redundant structures, necessary components (a sound wave receiver, a gas delivery pipe and a mounting structure thereof) of the temperature measuring device are used as a hand-held grip.

The invention relates to a tea set, in particular to a tea-making container, comprising a cylindrical container body with upper and lower openings, the upper opening of the cylindrical container body has a detachable sealing cover A, and the lower opening of the cylindrical container body There is a detachable sealing cover B, the upper part of the inner wall of the cylindrical container body has an inwardly protruding positioning protrusion, and the hollow filter tea compartment with the opening facing downward is provided in the cylindrical container body and below the positioning protrusion , the hollow filter tea bin can be displaced up and down in the cylindrical container body, the opening of the hollow filter tea bin has a detachable hollow cover with a middle hole, and the middle hole of the hollow cover has a cover The hollow cover is a filter sheet with a middle hole, and the filter sheet is provided with a plurality of water outlet pores passing through the filter sheet. The beneficial effect is that the structure is simple, the use is convenient, and the adverse effects on the human body caused by long-time soaking of tea can be avoided.

The invention discloses a remote spray handheld electrostatic spinning spray gun which comprises a handheld portion and a power portion. The handheld portion comprises a handheld insulating shell, a syringe cylinder is arranged inside the handheld insulating shell, a micro-propulsion pump is mounted at one end of the syringe cylinder, a lengthened sprayer component is mounted on a needle bed at the other end of the syringe cylinder, and the micro-propulsion pump is connected with a propulsion pump controller and a switch through leads. The power portion comprises a high-voltage power supply, apropulsion pump controller power supply and a grounding flat plate, a negative electrode of the high-voltage power supply is connected with the grounding flat plate through a lead, and the propulsionpump controller power supply is connected with the propulsion pump controller through a lead. A sprayer of the electrostatic spinning spray gun is of a handheld structure, spinning positions and spinning distances are conveniently and flexibly adjusted, the sprayer component with a special structure can directly stretch into a recessed structure, a nanofiber membrane can be directly sprayed intothe deep structure, and the electrostatic spinning spray gun has a good application prospect.

The invention provides garden pruning equipment with a flying dust and scrap recycling function and a using method.The pruning equipment comprises a suction connector and a main handle, the suction connector is hinged to the main handle, and a harvesting mechanism used for preliminarily cutting and smashing plants is arranged in the suction connector; the main handle is provided with a smashing mechanism used for completely smashing plants, a conveying hose is arranged between the smashing mechanism and the harvesting mechanism, the main handle is provided with a collecting mechanism used for collecting chippings, and a conveying hard pipe is arranged between the collecting mechanism and the smashing mechanism. The garden pruning device solves the problems that the past garden pruning device only has a single pruning function and can generate a large amount of dust and plant debris, is reasonable in structure, and utilizes the negative pressure fan to recover the dust generated in the plant pruning process to reduce the flying dust pollution; and in addition, the smashing mechanism is additionally arranged, so that the cut plant chippings can be smashed and recycled, and secondary pollution to the environment cannot be caused.

The invention discloses a preparation method of a manually-beaten pure-titanium composite cookware. The preparation method comprises the following steps that a pure-titanium composite strip is cut into pure-titanium composite wafers with required sizes; the pure titanium composite wafer is stretched to form a pure titanium composite pot blank; the inner surface of the pure titanium composite pot blank is manually beaten, so that the beaten prints are overlapped with one another and are distributed on the inner surface of the whole pure titanium composite pot blank, and finally a honeycomb pattern point-shaped structure is formed on the inner surface of the pure titanium composite pot blank; and a handle and a lifting lug are additionally arranged on the manually-beaten pure titanium composite pot blank, then oil removal cleaning and polishing are sequentially conducted, and the manually-beaten pure titanium composite cookware is obtained. The technical problem that in the prior art, the surface of a pure titanium composite cookware is directly in contact with food materials, so that cookware sticking and pot pasting are likely to occur is solved, the inner surface of the pure titanium composite cookware is manually beaten to form a honeycomb pattern point-shaped structure, then the food materials are isolated through an oil film, the food materials are prevented from being directly in contact with the bottom of the cookware, and the phenomena of cookware sticking and cookware pasting are greatly reduced.

The invention discloses a handheld wireless double-probe backfat instrument and a system thereof. Double-probe design is adopted in the instrument and is more convenient in use compared with single-probe design, testing times of pig measurement are decreased, only two times of measurement are needed for one pig originally, and only one time of measure is needed at present; the positions of probesare relatively fixed, only the spine of each pig needs to be found accurately in measurement, the distance from the spine of each pig to a measurement point does not needed to be measured again, and measurement is facilitated. The specific cause is that at present, a single probe is adopted for detection, two times of detection are needed, the first time is finding from the position of the spine of each pig to a measurement point, and the second time is backfat measurement; while, the handheld wireless double-probe backfat instrument adopts two probes for simultaneous measurement, and due to the fact that the separating distance of the axes of the two probes arranged on the arc-shaped end face is 130 mm, and the distances from the axes of the left and right probes to a central arc are equal. The two ultrasonic probes are respectively located on two sides of the probe, and the arc lengths from the axes of the probes are 65 mm.

The invention provides a special electric toothbrush for cleaning tooth crevices. The special electric toothbrush comprises a brush head assembly, a transmission assembly, a brush handle and a power assembly, wherein the power assembly is connected with the brush head assembly through the transmission assembly; and the brush head assembly is arranged at the end part of the brush handle and comprises a support rod, a transverse middle part, a vertical left part, a vertical right part, a left side brush and a right side brush, the vertical left part, the vertical right part and the transverse middle part form a U-shaped frame, the middle of the transverse middle part is vertically connected to the end part of the support rod, the left side brush is arranged on the vertical left part, the right side brush is arranged on the vertical right part, the left side brush and the right side brush are oppositely arranged, and a gap is formed between the end part of the left side brush and the endpart of the right side brush. According to the special electric toothbrush, the tooth crevices on the tongue side and the lip sides can be simultaneously cleaned, and the cleaning is simple, convenient and efficient; and compared with manual cleaning, the special electric toothbrush has the advantages that the cleaning speed can be increased, the cleaning effect can be improved, the periodontitiscan be prevented, the time and the labor are saved, the cleaning time is effectively shortened by 60% or above, and the special electric toothbrush is suitable for being used by patients.