46results about How to "Easy to hold and carry" patented technology

The invention discloses a multifunctional packaging carton, which comprises a box body. The box body includes a plurality of side panels connected in sequence to form side walls of the box body. A bottom panel is connected to the bottom of each side panel. All are connected with a movable box cover, each corner of the box body is vertically provided with reinforcing columns, and slots for fixing the reinforcing columns are correspondingly provided on the bottom plate; at least one group of symmetrical side panels are provided with handles on the outer surface. holding groove; the bottom plate is mainly composed of a core paper layer, a buffer pressure-resistant layer, a corrugated paper layer and a kraft paper layer from top to bottom. Compared with the traditional packaging carton, the present invention has the characteristics of simple structure, high strength, good pressure resistance and cushioning performance, and is easy to hold and carry, and is suitable for packaging various heavyweight items.

The invention discloses a pipeline preparation device based on building electrical firefighting. The device comprises a fixed rack; a lifting door is installed on one side of the fixed rack; a feedingmechanism is arranged inside the fixed rack; the feeding mechanism comprises a sliding rod, a sliding plate, a connecting rod, a threaded rod, a threaded motor, a rotary disc, a sliding block, a lifting hydraulic rod, a connecting plate, an S-shaped rotating shaft, a rotating shaft motor, and an antiskid sleeve. According to the feeding mechanism, through the sliding rod, the sliding plate, the connecting plate, the threaded rod, the threaded motor, the rotary disc, the sliding block and the lifting hydraulic sleeve, a worker can conveniently move the position of the connecting plate toward multiple directions, and through the S-shaped rotating shaft, the rotating shaft motor and the antiskid sleeve, the worker can realize convenient clamping and transportation of a pipeline, so manual transportation of the pipeline by the worker is avoided, the difficulty of pipeline transportation of the worker is lowered, and therefore working efficiency of the worker in anti-corrosion manufacturing of the pipeline is improved.

The invention relates to the technical field of water treatment and purification, in particular to a microfiltration purification treatment device for water treatment, which comprises a box body, a conveying mechanism, a collecting mechanism, a stirring mechanism, a locking mechanism, a filtering mechanism and a scraping mechanism, water needing to be treated can be conveniently conveyed and stored under the action of the conveying mechanism, impurities in the water can be fully mixed under the action of the stirring mechanism, the filtering efficiency is improved, the impurities in the water can be conveniently filtered and purified under the action of the filtering mechanism, and the water is purer. Meanwhile, the scraping mechanism is driven to work under the action of the filtering mechanism, so that the side wall of the filtering mechanism is cleaned by the scraping mechanism, secondary pollution is prevented, scraped impurities are conveniently stored under the action of the collecting mechanism, and subsequent cleaning is facilitated; and under the action of the locking mechanism, the collecting mechanism can be conveniently limited and protected.

The invention discloses portable oral cleaning and spray washing equipment for stomatology department. The portable oral cleaning and spray washing equipment for the stomatology department comprises aspray washing pipeline, a supporting sheet frame and a cleaning main body; the spray washing pipeline penetrates through the supporting sheet frame and is connected with the cleaning main body; peripheral spray washing insertion heads are arranged at the port of the left side of the spray washing pipeline in a sleeving manner and are tightly connected with the spray washing pipeline through a tight sleeve column; moving brackets are symmetrically installed at the two ends of the supporting sheet frame respectively; the middle part of the supporting sheet frame is connected with the spray washing pipeline through a rolling bearing; anti-bacterial bracing rings are arranged at the upper end and the lower end of each moving bracket in the sleeving manner respectively; the interior of the cleaning main body is connected with the port on the right side of the spray washing pipeline through an arranged motor; a micro water pump is installed on the top of the cleaning main body; a cleaning water tank is connected to the micro water pump through a water outlet pipe and is fixedly installed on a base plate through a trapezoidal seat; and a handle column is connected to the base plate through a handle seat. By adopting the portable oral cleaning and spray washing equipment for the stomatology department, the hygienic safety and the cleaning effect are improved.

The invention discloses an underwater rescue device which comprises a barrel shell, a middle ring, a sleeve and a piston. The upper end of the barrel shell is an opening. The sleeve comprises an upper sleeve body and a lower sleeve body. The lower sleeve body is arranged at the bottom in the barrel shell. A through hole communicating with the outer portion of the bottom of the barrel shell is formed in the bottom of the lower sleeve body. A piston rod is arranged at the bottom of the piston. The middle ring is fixedly connected with the outer circumference of the upper sleeve body and the inner wall of the barrel shell. A closed inflation chamber is formed among the outer portion of the sleeve, the barrel shell and the middle ring. A gap is formed between the upper sleeve body and the lower sleeve body. Half turn of a recessed thread is arranged at the top of the piston, and half turn of a protruding thread is arranged on the inner wall of the upper sleeve body. An air bag fixedly connected with the upper sleeve body is arranged at the top of the upper sleeve body. The inflation chamber is filled with compressed air. When rescue is needed, the piston rod is twisted to pull the piston downwards into the lower sleeve body, the compressed air in the inflation chamber enters the sleeve through the gap and rapidly inflates the air bag, and great buoyancy is provided for the rescue device. The underwater rescue device is simple in structure and good in reliability and further has the function of a safety hammer.

The invention discloses a saline-alkali soil detection device, and relates to the field of soil detection. The saline-alkali soil detection device comprises a cylindrical rod, wherein the lower end of the cylindrical rod is fixedly connected with a support shell, the middle of the lower end of the cylindrical rod is provided with a groove, the middle of the upper side wall of the support shell is provided with a round opening matched with the groove, the upper side wall of the groove is fixedly connected with a hydraulic rod, the outer side of the moving end of the hydraulic rod is sleeved with a cylinder, the upper side wall of the cylinder is movably sleeved with the moving end of the hydraulic rod through a circular hole, the cylinder is located in the groove and slidably connected with the groove, the rod wall of the moving end of the hydraulic rod is sleeved with an annular plate through an adjusting mechanism, the annular plate is positioned above the cylinder, the lower end of the hydraulic rod extends into the cylinder and is fixedly connected with a baffle, the lower end of the baffle is fixedly connected with a push rod, and the lower end of the push rod is fixedly connected with a push plate. The saline-alkali soil detection device can detect soil at different depths, can protect the detection probe, and avoids damage caused by direct insertion of the detection probe into the soil.

The invention discloses a flexible winding handle comprising a hand-hold part and a winding part. The hand-hold part is provided with equidistantly arranged handle bulges, the winding part comprises a first winding bulge, a second winding bulge, a third winding bulge and a fourth bulge, the radial heights of the first winding bulge, the second winding bulge, the third winding bulge and the fourth winding bulge are decreased in sequence, the hand-hold part comprises a loop bar, the winding part comprises a cavity matched with the loop bar, the loop bar is provided with a fastening screw used for fixing the loop bar. A spiral groove is arranged on the loop bar, and the fastening screw comprises an inner thread matched with the spiral groove. A user can adjust the length of the whole winding handle freely by the loop bar, so that the wiring efficiency of the user is improved greatly.

The invention relates to a portable ophthalmic ultrasonic biomicroscope which comprises a shell, an ultrasonic sensor, an ultrasonic transmitting and receiving circuit, a signal conditioning circuit and a power supply module, wherein the shell comprises a handle which is held by an operator; an integrated microcontroller and an image storage module are arranged in the shell; the integrated microcontroller comprises a digital image processing module and an image transmission module, the digital image processing module is used for processing a digital image to obtain a anterior segment two-dimensional image with low-magnification optical microscope effect and different cross sections, and the image transmission module is used for transmitting images; the signal conditioning circuit is connected with the digital image processing module; the digital image processing module is connected with the image transmission module; and the image transmission module is connected with the image storage module. The portable ophthalmic ultrasonic biomicroscope has the advantages of small size, light weight and wide applicability, and is convenient for carrying by hand-hold.

The invention relates to the technical field of pipeline carrying, in particular to a cargo loading and unloading device for glass fiber plastic pipe transportation, which comprises a hook, a clamping mechanism is connected to the hook, an adjusting mechanism is mounted on the clamping mechanism, a limiting mechanism is connected to the clamping mechanism, a clamping mechanism is mounted on the hook, and the clamping mechanism is connected to the clamping mechanism. The clamping mechanism is connected with a reset mechanism, and the clamping mechanism is provided with a protection mechanism. By means of the clamping mechanism, the pipeline can be rapidly clamped and loosened, the clamping mechanism is firmer and more stable during lifting and clamping, by means of cooperation of the limiting mechanism and the adjusting mechanism, the pipelines of different sizes can be conveniently and better clamped and carried, and by means of the clamping mechanism, the hook and an external rope are stably connected; the clamping mechanism can be well reset and discharged under the action of the reset mechanism, and through the protection mechanism, limiting and locking are facilitated after the clamping mechanism clamps the pipeline, so that the pipeline clamped by the clamping mechanism cannot fall off.

Provided is a mouse based on rocker control. The mouse is characterized by comprising a base, a handle, a laser control button, a rocker, a laser head, a DPI adjusting idler wheel, a mouse left key, a mouse right key, a Micro USB interface, an optical sensor, a idler wheel key, a battery cabin, a circuit board and a wireless transmission and receiving device. The base is connected with the handle through a thread; the rocker, the mouse left key, the mouse right key and the idler wheel key are connected to the wireless transmission and receiving device and the optical sensor separately; the laser control button, the laser head, the DPI adjusting idler wheel, the Micro USB interface, the optical sensor, the battery cabin and the wireless transmission and receiving device are connected to the circuit board separately. The mouse based on the rocker control is novel in shape and convenient to carry in a hand-held mode, has functions of both the mouth and a laser pen, provides wireless and wired two using methods, traditional scroll wheel operation is improved to rocker operation, and thus practical operation experience is comfortable.

The invention discloses portable oral cleaning and spray washing equipment for stomatology department. The portable oral cleaning and spray washing equipment for the stomatology department comprises aspray washing pipeline, a supporting sheet frame and a cleaning main body; the spray washing pipeline penetrates through the supporting sheet frame and is connected with the cleaning main body; peripheral spray washing insertion heads are arranged at the port of the left side of the spray washing pipeline in a sleeving manner and are tightly connected with the spray washing pipeline through a tight sleeve column; moving brackets are symmetrically installed at the two ends of the supporting sheet frame respectively; the middle part of the supporting sheet frame is connected with the spray washing pipeline through a rolling bearing; anti-bacterial bracing rings are arranged at the upper end and the lower end of each moving bracket in the sleeving manner respectively; the interior of the cleaning main body is connected with the port on the right side of the spray washing pipeline through an arranged motor; a micro water pump is installed on the top of the cleaning main body; a cleaning water tank is connected to the micro water pump through a water outlet pipe and is fixedly installed on a base plate through a trapezoidal seat; and a handle column is connected to the base plate through a handle seat. By adopting the portable oral cleaning and spray washing equipment for the stomatology department, the hygienic safety and the cleaning effect are improved.

The invention discloses a chemotherapy medicine dissolving device which comprises a housing, a placement groove, a stepping motor, a rotary shaft, an oscillation plate, a first travel switch, a secondtravel switch, a supporting plate, an avoiding groove, a pressure sensor and a spring. The chemotherapy medicine dissolving device is ingenious in structure and powerful in function. The chemotherapymedicine mixing effect can be promoted by adopting the design of the oscillation structure, insufficient medicine mixing is effectively avoided, accordingly the influence on a follow-up medical effect is avoided, follow-up medical liquid undergoes dissolving oscillation in the injection process under the matching effect of a fixed hanging device and a standby medicine dissolving mechanism, it canbe ensured that medicine is in the best mixing state, the follow-up liquid injection effect is improved, finally the practicability is greatly improved, and popularization and application of clinicalchemotherapy are facilitated.

The invention discloses a transport mechanical arm with a firm clamping function. The transport mechanical arm comprises a fixed framework, wherein a vertical section of the fixed framework is U-shaped; a groove is horizontally formed in the top end of the fixed framework; a first rodless cylinder that is horizontally arranged is mounted in the groove; an output shaft of the first rodless cylinderis connected to a movable framework; the movable framework sleeves the side wall of the top end of the fixed framework in a sliding manner; a telescopic column is connected to the bottom end of the movable framework; a first connecting rod that is obliquely arranged is welded on the side wall of the bottom end of the telescopic column; a second connecting rod is hinged to the bottom end of the first connecting rod; a single-head cylinder is hinged to the side wall of the first connecting rod; and a piston rod of the single-head cylinder is hinged to the second connecting rod. The transport mechanical arm with the firm clamping function can be adjusted in multiple positions, facilitates clamping and carrying, can be used for clamping a workpiece, has a good clamping and fixing effect, realizes mechanical self-locking, and ensures that a clamped object cannot get loose or drop off in case of a power or gas failure.

The invention discloses a safety forging press for processing automobile parts, and relates to the technical field of safety forging. The problem of hurting people by the machine when the machine works is solved. The safety forging press for processing the automobile parts comprises a box body. The lower end surface of the box body is provided with two supporting walls, the outer surface of one side of the supporting walls is provided with an auxiliary mechanical arm, one side of the other supporting wall is provided with a switch box, the inner wall of the other supporting wall is provided with a human body detection mechanism, a limiting strip is arranged between the two supporting walls, and a forging mechanism is arranged at the lower end of the limiting strip. The lower end surface ofthe forging mechanism is provided with a forging support seat, the outer surface of one end of the box body is provided with a power motor, the lower end of the power motor is provided with a belt pulley, and one end of the belt pulley is provided with a transmission gear. According to the safety forging press, the device has the function of timely braking of the device, and an auxiliary processing mechanism is additionally arranged to facilitate the operation of operators.

The invention discloses a portable water collection device. The portable water collection device comprises a shell, a protection cover and a storage battery pack. A water pump is installed in the shell, the side, penetrating through the shell, of the input end of the water pump is provided with a water inlet, and the other side, penetrating through the shell, of the output end of the water pump isprovided with a water outlet; a power groove is formed in the portion, in one side of the water pump, inside the shell, the storage battery pack is installed inside the power groove, a charging interface is formed in the surface, at one side of the storage battery pack, of the shell, and the output end of the charging interface is electrically connected with the input end of the storage battery pack through a wire; a cover body is installed at the top of the shell through hinges, a lock base and a lock catch are installed on the surfaces of the corresponding portions of the cover body and theshell respectively, and cooling holes are formed in the surface of the shell. By means of the portable water collection device, through the arrangement of a series of structures, the water collectiondevice has the advantages of being convenient to use and carry, high in protection performance, high in water collection efficiency and the like in the water collection process.

The invention relates to a portable psychological sand table, and belongs to the field of teaching. The portable psychological sand table comprises a box body and a box cover arranged on the top of the box body, wherein the box body comprises a model frame placing drawer which is arranged on the bottom of the interior of the box body, a sand tool placing drawer which is arranged at the top of the model frame placing drawer, and a sand table body which is arranged on the top of the interior of the box body; the sand table body comprises a partition board which is arranged inside the sand table body, a sand area which is arranged on one side of the partition board, and a water area which is arranged on the other side of the partition board, and a transparent storage bag is arranged on the inner side surface of the box cover and internally provided with a video collecting device; the video collecting device comprises a sucker base, a telescopic rod which is connected with the sucker base, a universal shaft which is arranged on the top of the telescopic rod and a high-definition camera which is connected with the universal shaft. The portable psychological sand table has the advantages of being simple in structure, complete in function and convenient to carry, and since the arranged sand table body is divided into areas, the functions of the sand table are richer; through the arranged video collecting device, the whole process of a sand table game of a user is recorded, and psychological changes of the user during the sand table game can be observed.

The invention discloses remote health notification equipment, which relates to the technical field of human body insurance. The equipment comprises a machine body, a display screen, a camera, a loudspeaker, a first cooling fan and a ventilation box, wherein the display screen is arranged on the front face of the machine body, the camera located on the front face of the machine body is arranged over the display screen, the loudspeaker is arranged on one side of the machine body, and the first cooling fan located on one side of the machine body is arranged under the loudspeaker. Through the remote equipment, the user is guided to correctly complete health notification, video archiving is carried out, insurance companies are helped to leave files and check the authenticity of users, a futureclaim rejection problem is avoided for the user, preventive measures are taken, effective heat dissipation treatment can be conducted on the interior of the machine body by starting a second heat dissipation fan, external air enters the machine body through an air duct pipe, a ventilation box and ventilation holes, two-face heat dissipation treatment can be conducted in cooperation with the secondheat dissipation fan on the side face of the machine body, the service life of the machine body can be prolonged, and the equipment is small in size and convenient to carry by hand.

The invention discloses a hand-held cylindrical soft-packed lithium-ion battery flat film tooling, which includes a base, the base includes a first positioning plate and a support column vertically fixed on one side of the surface of the first positioning plate, and a positioning handle is fixed on the surface of the support column. The top surface of the positioning handle has a positioning thread groove; the surface of the first positioning plate is fixed with a power fixing mechanism, and a flat film cylinder is fixed on the power fixing mechanism. A return compression spring is installed at the center of the bottom of the barrel. The invention directly clamps the cylindrical lithium-ion battery between several flat film rollers, and at the same time provides power to the flat film cylinder to drive the flat film rollers to rotate so as to realize the rapid and uniform extrusion of the flat film rollers on the surface of the battery. The efficiency is high, and the surface of the battery is smoother due to the uniform extrusion force.

The invention relates to the technical field of loudspeakers for smart class, in particular to a loudspeaker for a teacher based on smart classroom, which comprises a sound amplifying mechanism, a limiting mechanism, a storage mechanism, a locking mechanism, a supporting mechanism and a control mechanism, under the action of the sound amplifying mechanism, the sound of a teacher is loud during teaching, students can conveniently listen to the lecture, electric wires can be conveniently stored, the pulling length of the electric wires can be conveniently adjusted and controlled through the limiting mechanism, and redundant electric wires can be conveniently stored under the action of the storage mechanism. Meanwhile, other teaching tools can be conveniently stored, the storage mechanism can be conveniently controlled to be opened and closed under the action of the locking mechanism, the protection effect is achieved, the situation that articles fall off due to random opening is prevented, the supporting mechanism can be conveniently controlled and collided under the action of the control mechanism, and therefore the sound amplification mechanism can be conveniently supported and stably placed; and the supporting mechanism is convenient to rotate and store, so that the occupied space is reduced.

The application provides a portable field rock magnetic susceptibility tester, which belongs to the technical field of magnetic susceptibility meters. The portable field rock magnetic susceptibility tester includes a portable balance component and a lifting magnetization component. The portable balancing assembly includes a portable case, an armrest guard, a fixed partition, a balancing hydraulic cylinder, and balancing feet, and the lifting and magnetizing assembly includes a lifting hydraulic cylinder, a lifting fixed plate, a magnetic susceptibility meter, and a lifting guide column. Portable balance design is adopted, and the magnetic susceptibility tester is protected and carried through the portable guard plate. The built-in portable hydraulic balance lifting device facilitates the installation and fixation of the magnetic susceptibility tester, and improves the accuracy and stability of the magnetic susceptibility test. The design of the built-in lifting probe is adopted. , Precisely control the lifting height of the magnetic susceptibility probe through hydraulic lifting, reduce the interference of soil impurities and oxide layers, improve the magnetic susceptibility test accuracy, the field rock magnetic susceptibility test has high accuracy, and the magnetic susceptibility meter is more convenient and quick to use.

The invention discloses a hand-held fungus killing apparatus, which comprises a box. Two opposite sides of inner wall of the box are both provided with a blind hole. When a small article should be sterilized, the small article can be placed in the box, UV rays are used to kill the bacteria, a telescoping circular fixed plate B is used to baffle the UV rays so as to prevent the leakage of UV rays;and a user can use the apparatus more safely and reliably. When the apparatus is used, the telescoping circular fixed plate B contacts with a flat compression triggering button to trigger a UV lamp togive off UV rays to sterilize an object in the box. After a multilayer sticker is used, the layer that has been contacted is torn down so as to prevent pollution caused by the fungi on the layer. When sterilization is performed in an enclosed room, the apparatus is erected, the UV lamp is taken out and started, then the operator leaves the room, UV rays disinfects the room, the apparatus is simple and convenient to use and is portable, safe, reliable and practical, the using effect is good, and the efficiency is high.

The invention discloses an underwater rescue device which comprises a barrel shell, a middle ring, a sleeve and a piston. The upper end of the barrel shell is an opening. The sleeve comprises an upper sleeve body and a lower sleeve body. The lower sleeve body is arranged at the bottom in the barrel shell. A through hole communicating with the outer portion of the bottom of the barrel shell is formed in the bottom of the lower sleeve body. A piston rod is arranged at the bottom of the piston. The middle ring is fixedly connected with the outer circumference of the upper sleeve body and the inner wall of the barrel shell. A closed inflation chamber is formed among the outer portion of the sleeve, the barrel shell and the middle ring. A gap is formed between the upper sleeve body and the lower sleeve body. Half turn of a recessed thread is arranged at the top of the piston, and half turn of a protruding thread is arranged on the inner wall of the upper sleeve body. An air bag fixedly connected with the upper sleeve body is arranged at the top of the upper sleeve body. The inflation chamber is filled with compressed air. When rescue is needed, the piston rod is twisted to pull the piston downwards into the lower sleeve body, the compressed air in the inflation chamber enters the sleeve through the gap and rapidly inflates the air bag, and great buoyancy is provided for the rescue device. The underwater rescue device is simple in structure and good in reliability and further has the function of a safety hammer.

The invention discloses small handheld intelligent detection equipment and method for a mechanical connecting hole of an airplane. The equipment comprises an outer frame structure, a camera assembly,a guide rail slide block device, an information processing display module and a leveling structure. The camera assembly is fixed to the leveling structure, the leveling structure is fixed to the guiderail slide block device, the guide rail slide block device is fixed to the outer frame structure, and the information processing display module is connected to the camera assembly. The equipment simplifies detection operations, reduces the size, is handheld conveniently, can be operated on an assembled rack and can be used for detecting the mechanical connecting holes in different airplane structural parts.

The invention discloses an on-line tester of a handheld wide-domain oxygen sensor. The on-line tester of the handheld wide-domain oxygen sensor comprises a shell (1) and a power supply (2), wherein the shell is connected with an oxygen sensor plughole (3); a display screen (4) is mounted in the shell and is connected with a microcomputer control unit (5); one end of the microcomputer control unit is connected with a key switch (6); the other end of the microcomputer control unit is successively connected with an AD collector (7) and a differential control circuit (8); one end of the oxygen sensor plughole is connected with the microcomputer control unit; the other end of the oxygen sensor plughole is connected with a probe (9) of the wide-domain oxygen sensor to be detected. According to the on-line tester of the handheld wide-domain oxygen sensor, the display screen is capable of directly displaying the pump current, measurement voltage and air-fuel ratio value of the wide-domain oxygen sensor; the on-line tester is high in detection accuracy, simple and convenient to connect and plug, high in operation efficiency, visual in display and convenient to carry; the quality and the yield of the products are ensured.

The invention discloses a brick space expanding and separating device for a machine-made baking-free brick discharging machine. The brick space expanding and separating device comprises an expanding and separating device comprising a base frame, C-shaped trough plates, a push rod, hinge plates, pins and connecting rods as well as hinge assemblies, a hydraulic oil cylinder, a hydraulic pump station, a control box and travel wheels, wherein the C-shaped trough plates in the expanding and separating device comprise a left C-shaped trough plate and a right C-shaped trough plate of which trough ports are opposite to each other; two rows of hinge plates which are vertically arranged are respectively welded on the end surface of one side where the trough ports of the left and right C-shaped trough plates are opposite to each other; parts between the two rows of hinge plates which are vertically arranged and upper and lower side plates at opening ends of the trough ports of the C-shaped trough plates are respectively connected with one ends of the connecting rods through the pins; the other ends of the connecting rods are respectively connected onto upper and lower end surfaces of the push rod arranged between the left and right C-shaped trough plates through the pins; the rear end of the push rod is connected with the piston rod end of the hydraulic oil cylinder; the hydraulic oil cylinder is fixedly arranged on the base frame; two sides of the front part of the base frame are respectively hinged with one hinge assembly; an equal pin at the other end of each hinge assembly is respectively hinged with rear end parts of the left and right C-shaped trough plates.

The invention provides a portable ultra-wide spectrum on-site material evidence searching, shooting and recording continuous shooting system which comprises the following components: a shooting assembly which is suitable for a spectral range of 200 nm to 1100 nm and comprises a camera and a sensor, wherein the camera and the sensor can jointly perform continuous shooting operation to obtain a plurality of on-site material evidence images; a shell, wherein the shell is provided with an installation cavity, a front side face and a rear side face, the front side face is opposite to the rear sideface, one end of the shell is provided with a handle, and the installation cavity is used for containing the sensor; a display screen, wherein the display screen is arranged on the rear side face of the shell and used for displaying on-site material evidence images; a control assermbly, wherein control assembly comprises an electric control board, a screen driving board and a plurality of controlbuttons, wherein the display screen is electrically connected with the electric control board and the screen driving board, and the control buttons are electrically connected with the electric controlboard; and a plurality of through holes for protruding and exposing the control buttons which are formed in the periphery of the display screen on the rear side surface of the shell. According to thetechnical scheme, the searching, photographing and continuous shooting functions of the on-site material evidence can be achieved under the ultra-wide spectrum condition, the size is small, and usingand carrying are more convenient.

The invention relates to a multipurpose portable desk lamp. The desk lamp comprises a rectangular lamp shell and a battery installed in the lamp shell, a containing groove is formed in the top of thelamp shell, and a flexible metal tube is arranged in the containing groove; the flexible metal tube is connected with a lamp panel; a rectangular blocking frame is vertically slidably arranged on theouter side of the lamp shell, and reflection plates are hinged to the left side, right side front side and rear side in the rectangular blocking frame respectively; shifting rods hinged to the rectangular blocking frame are slidably arranged on the reflection plates, and the shifting rods penetrate through the rectangular blocking frame and can poke upwards to make the reflection plates lifted; two springs are fixed to the bottom of the lamp shell side by side, and clamping plates are fixed at the bottoms of the springs. The desk lamp is powerful in function and convenient to clamp and operate, the illumination direction and the illumination range are increased by folding the lamp panel in half, the desk lamp is suitable for use in multiple scenes, light can be gathered into a beam so thatthe desk lamp can serve as a flashlight, and resources are reasonably utilized to the maximum extent.