39results about How to "Inconvenient to disassemble" patented technology

The invention relates to a deformable planet wheel robot with a left body and a right body hinged. The deformable planet wheel robot is characterized by comprising the left body and the right body which are connected into a whole through a rocker arm suspension system hinged to the two bodies. The outer side of each of the bodies is provided with vertically-hinged lateral plates, namely a lateral plate I, a lateral plate II, a lateral plate III and a lateral plate IV. Front wheels are fixed on the lateral plates I, and rear wheels are fixed on the laterals IV. The middle portions of the lateral plates I and the lateral plates II are hinged to a front steering frame and a rear steering frame. Pairs of ball screw are arranged at the upper portion and the lower portion in each of the bodies fixedly, and the hinge positions of the lateral plates I and the lateral plates II and the hinge positions of the lateral plates III and the lateral plates IV are connected with respective ball screws through connection rods. The lateral plates I, the lateral plates II, the front steering frame and connection rods form four-rod deformation mechanisms. The deformable planet wheel robot are provided with four groups of symmetrically-arranged four-rod deformation mechanisms which serve as the chassis of the deformable planet wheel robot.

The invention provides an inflatable electrothermic type automobile heat preservation shed and aims to solve the problems that automobile heat preservation effects are bad, and the automobile painting surface is easy to damage due to the adoption of automobile clothing or electric heating panels in northeast regions. The automobile heat preservation shed is characterized by comprising an inflatable tent adopting a double-layer structure and further comprising a snow protection cover with triangular cross sections, wherein an independent cavity is arranged between two layers; the top surface of the automobile heat preservation shed is a slope surface formed by connecting two active plates; a plurality of pressure sensors and electrical heating wires are fixed on the surface; a solar panel is fixed on the surface; the interior of the snow protection cover is hollow; a controller, and a circuit matched with the solar panel are placed in the snow protection cover; the controller is formed by an A / D switching circuit, a singlechip, a heating control circuit adopting a ULN2003 Darlington pipe, a GPRS module and a nRF24L01 wireless receiving and dispatching module. The automobile heat preservation shed has the advantages of excellent heat preservation effects, scratch prevention, hail prevention, ultraviolet obstruction, and strong wind resistant ability, snow resistant ability and severe cold resistant ability, and is easy to carry.

Disclosed in the invention is a packaging triode comprising a pedestal, a triode body, three pins, a cooling fin, and a sealing cap. A triode groove, three pin grooves, a communicating groove of the pin grooves and the triode groove, and a cooling fin groove are formed in the pedestal. Buckles are arranged at the edges of the pedestal. The sealing cap is clamped at the pedestal; and a triode clamping block, three pin clamping blocks and cooling fin clamping block are arranged at the bottom surface of the sealing cap. According to the technical scheme, the triode body is clamped in the triode groove by the triode clamping block at the sealing cap bottom surface; the pins are clamped in the pin grooves by the three pin clamping blocks; and the cooling fin is clamped in the cooling fin groove by the cooling fin clamping block. The clamping is realized in a tight clamping mode, so that positioning stability of the triode, the three pins, and the cooling fin are guaranteed. Therefore, when the packaging triode needs to be dismounted, the triode body, the three pins, and the cooling fin can be taken out only by removing the sealing cap from the pedestal, so that dismounting of the packaging diode becomes convenient.

The invention discloses an electronic anti-theft system for an automotive engine, which comprises an ECU (Electronic Control Unit), an automobile ignition lock cylinder, a movable door, an identification device, a vibration sensing module, a GPS (Global Positioning System) positioning device and a microcontroller, wherein the movable door is mounted at a key opening and is provided with a power device; the identification device is mounted at one side of the key opening; the vibration sensing module is mounted in a body; the GPS positioning device is embedded and mounted in the outer wall of the engine; the input end of the microcontroller is connected with the identification device and the vibration sensing module; the output end of the microcontroller is connected with the movable door, the ECU, the automobile ignition lock cylinder and the GPS positioning device. The electronic anti-theft system for the automotive engine, which is disclosed by the invention, integrates voice print verification with palm veins into one whole body, carries out defense by three aspects of the ECU, the automobile ignition lock cylinder and the key opening, and meanwhile, cooperates with the GPS positioning device to carry out positioning on a position of a vehicle; the GPS positioning device is embedded and mounted in the outer wall of the engine and is inconvenient to disassemble, so that burglar resistance of the vehicle is greatly improved.

The invention relates to a template demoulding device for building site, belongs to the technical field of buildings, and aims at solving the problem that walld tend to be damaged during dismounting.The template demoulding device comprises a motor casing, a handle is in threaded connection to one side of the bottom of the motor casing, a first through hole is formed in one side of the handle, theinternal of the first through hole is in threaded connection with a starting switch, a second through hole is formed in the bottom of the handle, and the internal of the second through hole is in clamp connection with a wire protective rubber sleeve. Each dismounting plate is inserted into a T-shaped notch, a controller controls a motor to rotate via the starting switch, the motor drives a threaded rod to rotate via a differential, and further drives a slide block on the threaded rod to move, outward stress is applied to the two dismounting plates, and a steel template is dismounted from theconcrete wall; and it is not required to implement dismounting via a crowbar by workers, the concrete wall is kept complete and beautiful, and labor is saved.

The invention provides an industrial personal computer and an industrial personal computer communication protection method. The industrial personal computer comprises a main control module, a power module and a communication module. The main control module is connected with at least one peripheral device interface through the communication module. Each peripheral device interface is connected witha peripheral device. The peripheral devices communicate through the communication module. The main control module, the communication module and the peripheral devices are powered by the power module.During communication among the main control module, the communication module and the peripheral devices, when a data sender sends a data packet, serial number, source address and destination addressinformation is added to the data packet, and the check value of the data packet is calculated; the data sender packages and sends the information; and a receiver checks whether the source address andthe destination address of the data packet are correct or not after receiving the data packet. According to the industrial personal computer, an X86 architecture processor serves as a core, communication between the industrial personal computer and different peripheral function boards is achieved by expanding the number and types of high-speed buses output by a system board, and the purpose of function expansion is achieved.

The invention discloses a box used for fruit logistics transportation. The box used for fruit logistics transportation comprises a rectangular box; four cover plates used for sealing are arranged on the upper end face of the box; supporting assemblies matched with the inner walls of the box are arranged on the inner walls of the box; at least one partition layer is arranged in each supporting assembly and composed of a bottom plate, a plurality of transverse plates and a plurality of longitudinal plates, wherein the transverse plates and the longitudinal plates are bonded to the bottom plate; the multiple transverse plates and the multiple longitudinal plates are distributed in a staggered manner to form a plurality of rectangular cells; and hollow-inside interval bodies are arranged on joints of the transverse plates and the longitudinal plates. Regarding the problems, an inventor improves an existing carton, the supporting assemblies are arranged around the inner walls of the box and have a certain supporting strength, it can be guaranteed that a box located on the lowermost portion cannot deform seriously after box bodies are stacked to a certain height, meanwhile, the supporting assemblies make contact with the box, but are not connected with the box, the supporting assemblies can also be reused after the carton is damaged, and the packaging and transporting cost of fruits is greatly reduced.

The invention discloses a stainless steel stair armrest which comprises columns. Clamping boards sleeve the bottoms of the surfaces of the columns, the bottoms of the clamping boards are fixedly connected with clamping boxes, the front sides of the clamping boxes are provided with pull rings, the back sides of the pull rings are fixedly connected with first fixing rods, the back sides of the firstfixing rods penetrate through the clamping boxes and extends into the clamping boxes, and the back sides of the bottoms of the first fixing rods are fixedly connected with first fixing blocks. By arranging and cooperatively using the column, the clamping boards, the clamping boxes, the pull rings, the first fixing rods, the first fixing blocks, first sliding rods, second fixing blocks, transmission rods, third fixing blocks, second sliding rods, second fixing rods, clamping rods and fixing boards, the problem is solved that the maintenance and replacement process of an existing stainless steel stair armrest is complicated and accordingly the stainless steel stair armrest is inconvenient to dismount. The stainless steel stair armrest has the advantage of convenient dismounting, and the practicability of the stainless steel stair armrest is improved.

The invention discloses monitoring equipment capable of being freely adjusted. The monitoring equipment comprises a monitor body, a camera group and a fixed plate, wherein the front end of the monitorbody is fixedly connected to the camera group; the outer surface of the camera group is fixedly connected to a front cover; the bottom of the right side of the monitor body is fixedly connected to the fixed plate; an expansion bolt penetrates through the left side and the right side of the fixed plate; the front surface of the fixed plate is fixedly connected to a fixed rotating disc; the top endof the monitor body is fixedly connected to a top cover; the left side of the interior of the fixed plate is connected to a standby power supply in an embedded mode; a semi-arc shape top cover is arranged, on one hand, dust and rainwater can be blocked from falling to the camera group, and on the other hand, a certain protectiveness is provided, the damage to the camera group can be minimized, and a lithium battery is arranged as the standby power supply; during normal use, a charging state is kept, and if the power failure occurs, the standby power supply supports the monitoring electricityutilization of the monitor body in a discharging mode, and the monitoring equipment can still work normally under a condition of power failure.

The invention discloses a fastening block comprising a block body which is in a rectangular structure provided with a middle mounting hole. Four corners of the block body are provided with positioning mounting holes respectively. The block body is further provided with fixed rotating rods adjacent to the positioning mounting holes. Each rotating rod is provided with a cover board capable of rotating around the rotating rod. When rotating to the positioning mounting holes, the cover boards cover the positioning mounting holes. The cover boards cover the positioning mounting holes, so that bolts for fastening the fastening block are isolated from contact with the external air, and the problem that the bolts which oxidize and rust are inconvenient to remove from the fastening block is solved, namely the fastening block is convenient to remove; meanwhile, a slope on the upper surface of the cover board allows rainwater on the cover board to be conveniently drained, dryness of the insides of the positioning mounting holes can be guaranteed, and the bolts in the positioning mounting holes are prevented from oxidizing and rusting.

The invention discloses a valve machining clamp convenient to use, disassemble and assemble. The clamp comprises a machining device, a fixed plate is fixedly connected to the top of the machining device, a clamp body is movably connected to the top of the fixed plate, moving mechanisms are fixedly connected to the two sides of the inner wall of the fixed plate correspondingly, limiting mechanismsused in cooperation with the clamp body are fixedly connected into the moving mechanisms, and the limiting mechanisms sequentially penetrate through the moving mechanisms and the fixed plate and extends to the top of the fixed plate. According to the clamp, through cooperative use of the machining device, the moving mechanisms, the limiting mechanisms, baffles, friction pads, the fixed plate, T-shaped grooves, T-shaped blocks, the clamp body, first movable holes, transmission plates, clamping grooves, transverse grooves, vertical grooves, limiting grooves, second movable holes, sliding blocksand sliding grooves, the problems that an existing valve machining clamp cannot be conveniently and rapidly disassembled and assembled by a user, so that the disassembly and assembly operation of theuser is inconvenient, and the use by the user is inconvenient are solved.

The invention relates to the deceleration technical field, and refers to a carrying welding robot planet cycloid decelerator comprising a housing, bearings, an output plate, bearing seats, a large end cap, a planet and a cycloid transmission piece; the features are that the bearing supports a rigid output cylinder in the housing; a housing end face is connected with the large end cap; the bearing seat is connected in the large end cap; the planet comprises a sun gear, a planetary gear and a crankshaft; the planetary gear is connected on the crankshaft; a crankshaft eccentric shaft head is provided with the bearing; three bearings support a round plate; the cycloid comprises a cycloid wheel, gear pins and pin wheel housings; the cycloid wheel is tightly matched with a bearing seat excircle; the gear pins comprise a first gear pin and a second gear pin; the pin wheel housings comprise a first pin wheel housing and a second pin wheel housing; the first pin wheel housing is fixed on the round plate; the second pin wheel housing can relatively rotate with an angle smaller than 1 degree. Backlash between the pin wheel housings, the gear pins and the cycloid is zero; the large end cap is provided with a window; a gear pin hole is obtained through linear cutting. The beneficial effects are that the carrying welding robot planet cycloid decelerator can adjust decelerator return difference, is high in half buried teeth carrying capacity, and the first and second bearings are not overly large when reduction ratio equals to 3-4.

The invention discloses a cooling device for a power equipment box, which comprises a shield, the left outer wall of the shield is provided with a base, the right outer wall of the base is connected with the left outer wall of the shield, and the inner wall of the bottom plate A motor is provided, the outer wall of the motor is connected to the inner wall of the bottom plate, a base is installed on the upper surface of the inner wall of the shield, a rotating shaft is sleeved on the inner wall of the base, and the outer wall of the rotating shaft is overlapped with the inner wall of the base. The cooling device for the power equipment box, through the cooperation between the bottom plate, the pad and the shield, under the action of the base, the shield can be quickly opened and closed, and the internal motor and fan can be repaired and maintained. The connection between the top plate and the baffle is more firm, thus overcoming the shortcomings of the traditional power equipment box cooling device, the cooling fan and the fan cover and the box body are not stable, and the cooling fan is inconvenient to disassemble, and the service life of the power equipment is improved. Suitable for promoting applications.

The invention relates to the technical field of speed reducing and provides a planetary hypocycloid speed reducer for a carrying welding robot. The planetary hypocycloid speed reducer comprises a shell body, bearings, an output disk, a bearing seat, a big end cover, a planet and a hypocycloid transmission component. The planetary hypocycloid speed reducer is characterized in that a rigid output cylinder is supported by the bearings in the shell body; the end face of the shell body is connected with the big end cover; the bearing seat is connected in the big end cover; the planet comprises a sun wheel, planet wheels and crank shafts; the planet wheels are connected with the crank shafts; a bearing body is installed on the eccentric shaft head of each crank shaft; a disk is supported by the three bearing bodies; the hypocycloid transmission component comprises a cycloidal wheel and a hypocycloid gear ring; the cycloidal wheel is tightly matched with the excircle of the bearing seat; the hypocycloid gear ring comprises a first hypocycloid gear ring body and a second hypocycloid gear ring body; the first hypocycloid gear ring body is tightly fixed to the risk; the second hypocycloid gear ring body can rotate smaller than 1 degree relative to the first hypocycloid gear ring body; the space between the inner teeth of the hypocycloid gear ring and the teeth of the cycloidal wheel is zero; the big end cover is provided with windows; the inner teeth of the hypocycloid gear ring are obtained by cutting with threads; The planetary hypocycloid speed reducer has the beneficial effects that the return difference can be adjusted; the bearing capacity of a hypocycloid engagement pair is high; when the reduction ratio is equal to 3-4, the first bearing and the second bearing are not too large.

The invention relates to the technical field of 3D printing, in particular to a 3D printer head which comprises a conveying pipe; a sprayer mechanism is arranged at the lower end of the conveying pipe; a heating mechanism is arranged at the upper end of the sprayer mechanism; a radiating mechanism is arranged at the upper end of the heating mechanism; a feeding mechanism is arranged at the upper end of the radiating mechanism; a threaded surface is in threaded connection with a threaded ring; a spring pushes a fixing flat to move; the fixing flat drives a sealing sleeve to be clamped in a conical groove, so that a sprayer is in tight coupling with the conveying pipe; when the threaded ring and the threaded surface are loose to cause that a gap is generated between the sprayer and the conveying pipe, the spring pushes the fixing flat to move once more, and the fixing flat drives the sealing sleeve to be clamped in the conical groove once more, so that material is prevented from seepinginto the gap and is also prevented from being adhered to the sprayer and the conveying pipe, the situation that the sprayer cannot be taken down when the sprayer is changed is further prevented, and the situation that the sprayer is fixed and is inconvenient to detach is also prevented.

The invention relates to the technical field of electric appliance connecting plates, in particular to a connecting plate for household appliances, which comprises a first connecting plate and a second connecting plate. The first connecting plate is connected with the second connecting plate, two groups of positioning rods are fixed on two sides of the first connecting plate, and a base plate is fixed at the bottom of each group of positioning rods. The top ofeach group of positioning rods is inserted and sleeved with a sliding plate. A first reset spring is arranged on the positioning rods and located between the base plate and the sliding plate in a sleeved mode, and a clamping device is arranged between the two groups of positioning rods. According to the connecting plate, the problems that the existing electric appliance control panel is generally independently fixed on an outer panel of an electric appliance cabinet through screws, disassembly is not convenient, and the electric appliance mounting plate is generally independently fixed in the machine and is positioned in the rear space of the control panel, as the electric appliance mounting plate is close to the control panel and the electric appliance mounting plate is positioned in the electric appliance cabinet during wiring and maintenance, and the wiring and maintenance work is inconvenient are solved.

A truck front wheel cover, which is composed of a front wheel cover body (1), an air guide port (2), a decorative cover installation opening (3), and an elastic outer ring (4). The front wheel cover body (1) is made of polyamide resin ( PA66) material is one-time injection molding, the maximum lateral thickness is 72±1mm, the width of the upper surface of the outer contour is smaller than the width of the lower surface, the upper and lower surfaces are connected together by arc transition, the air guide (2) is set on the arc, and the decorative cover The installation port (3) is set in the middle of the front wheel house body (1), and the elastic outer ring (4) is set on the inner side of the lower surface of the front wheel house body (1), and the feature is that the air guide port (2) is a semicircle The through holes are evenly distributed on the arc transition surface, and the semicircle opening faces the periphery of the circle. In the present invention, by opening a semicircular hole in the rubber ring, the convenience of installation can be improved, and the inconvenient disassembly after the rubber ring is hardened can be prevented.

The present invention discloses a motor comprising a rotor, a stator which sleeves the rotor, a front cover which is arranged at the front side of the stator and is relatively fixed to the stator, and a back cover which is arranged at the back side of the stator and is relatively fixed to the stator. A plurality of rare earth magnets in annular uniform spaced distribution is fixed at the periphery of the rotor. The rare earth magnets are stripe structures and are parallel to the axis direction of the rotor. The back end of each of the rare earth magnets is raised from the back end surface of the rotor, and thus a magnet steel extending part projecting from the back end face of the rotor is formed. The back end of the back cover is provided with a receiving groove, and the bottom of the receiving groove is provided with an arc-shaped long hole. A Hall sensor is fixedly installed in the receiving groove and has three Hall chips in arc-shaped uniform space distribution. The Hall chips go through the arc-shaped long hole and are at the inner side of the magnet steel extending part. Compared with a motor with a traditional structure, the motor of the invention has the advantages of compact structure and easy production.

The invention relates to an automatic water quality disinfection and sterilization device adopting ultraviolet disinfection, the device comprises a bottom plate, a machine body is fixedly connected tothe right side of the top surface of the bottom plate, an ultraviolet lamp tube is fixedly connected to the side surface of an inner cavity of the machine body, an air collection cover is fixedly connected to the top surface of the machine body, and an air return pipe is fixedly connected to the side surface of the air collection cover; and one end of the air return pipe is fixedly connected witha three-way pipe. By combining an ozone machine, the three-way pipe, an induced draft fan, the guide pipe, a vent hole, an air collecting cover, the air return pipe, a ultraviolet lamp tube and the machine body, ozone generated by the ozone machine is introduced into the guide pipe through the induced draft fan, the ozone in the guide pipe is blown out of the vent hole to be fully mixed with water in the machine body, then the air collecting cover and the air return pipe are used for collecting the ozone, the collected ozone is guided into the machine body again through the three-way pipe tobe repeatedly used, the ozone can make full contact with water conveniently, and meanwhile the ultraviolet lamp tube emits ultraviolet rays to sterilize the water.

The invention discloses a portable gas collecting bag. The portable gas collecting bag is characterized in that the portable gas collecting bag comprises a gas collecting bag, a clamp head, a sealing ring and a portable gas inlet assembly, the clamp head is arranged at the end opening of the gas collecting bag, the sealing ring sleeves the contact position of the gas collecting bag and the clamp head, the portable gas inlet assembly is arranged at the lower end of the clamp head, the gas collecting bag has two layers and is divided into an inner bag and an outer bag, the sealing ring is a semi-lunar ring clamp, and the clamp head is composed of an inner support and an outer jacket. The portable gas collecting bag can collect different kinds of gas samples, has the advantages of good sealing property, convenience in use, and fast sampling speed, and is suitable for collecting the gas samples in the environmental protection field or scientific research laboratories.

The invention discloses a road bridge joint cutting device. The road bridge joint cutting device comprises a control body, a display screen and a handle, wherein an outer wall of the control body is fixedly connected with the display screen, an outer wall of the display screen is connected with an inner wall of the control body, the bottom of the display screen is fixedly connected with the handle, and an outer wall of the handle is connected with the outer wall of the display screen; telescopic devices are fixedly connected to the two sides of the bottom of the control body, rotating frames are fixedly connected to the two sides of the bottom of the control body, transverse sliding grooves are fixedly connected to the middles of outer walls of the rotating frames, lead screws are fixedly connected to the middles of the transverse sliding grooves, and cutting wheels are movably connected to the middles of the rotating frames. The road bridge joint cutting device is advantaged in that convenience of the device body is improved by the display screen, practicability of the device body is improved through the handle, flexibility of the device body is improved through the telescopic devices, practicability of the device body is improved through the rotating frame, flexibility of the device body is improved through the transverse sliding grooves, and the joint cutting device is suitable for use and has wide development prospects in the future.

The invention discloses a building mechanical engineering hanging basket which comprises a bottom die and a plurality of fixing rods, an outer die and an inner die are fixedly installed on one side of the bottom die, two main rails are fixedly connected to the top of the bottom die, a working vehicle is slidably installed on the tops of the two main rails, and a fixing frame is fixedly connected to the top of the working vehicle. And protective nets are slidably mounted in the multiple fixing rods correspondingly, and connecting rods are fixedly connected to the ends, away from the joints of the protective nets and the fixing rods, of the protective nets. The connecting rods are clamped through the arranged clamping plates, and the protective net is connected with the interiors of the fixing rods through the connecting rods, so that other tools do not need to be used for auxiliary installation during batch installation, and the problems that when batch installation is carried out, a conventional installation mode consumes much time and energy of workers and is very inconvenient to disassemble are solved. And after being used for a period of time, the protective net fixed by a rope and the like is easily weathered, rusted and the like.

The invention discloses a quick feeding device for tea. The quick feeding device comprises a funnel; a bearing is arranged in the funnel; the inside of the bearing is in interference fit with a shaft rod; the shaft rod is wound with an auger; an outlet is fixedly formed in the lower end of the funnel; and the auger is in sliding contact with the outlet. Three supporting plates are fixedly arranged on the outer wall of the funnel and uniformly distributed; the supporting plates are fixedly connected with a piston rod; and universal wheels are fixedly arranged at the lower end of a cylinder. Through spiral feeding of the auger, tea can be quickly discharged when fed and collected through the funnel. Meanwhile, the shaft rod and a linkage shaft can be convenient to remove and can be cleaned periodically, and bacterium breeding is prevented.

The invention discloses a gear convenient to disassemble and assemble and used for mechanical equipment. The gear comprises a gear body, a mounting shaft and a mounting piece, wherein a fixing shaft is mounted on the back surface of the gear body, the mounting shaft is mounted in the gear body in a penetrating mode, a dismounting pad is mounted on the inner side of the mounting shaft, the mounting piece is mounted on the front surface of the gear body, and a sealing cover is mounted on the front surface of the mounting piece. According to the invention, the dismounting pad is mounted on the inner side of the mounting shaft, the fixing grooves are further symmetrically formed in the mounting shaft while the mounting sleeve is mounted on the front surface of the mounting shaft, when the gear needs to be mounted, the mounting rod enters the mounting shaft from the mounting sleeve, and the fixing buttons used on the two sides of the mounting rod are embedded into the inner sides of the fixing grooves, so that when the gear is mounted, the gear can be accurately mounted, the limiting effect is achieved, a worker can conveniently mount the gear, and the gear is more convenient to disassemble and assemble through the disassembling pad.

The invention provides a power supply module, which comprises a CPCI power supply plug-in and a + 5VSB power supply module, and is a power supply module adopting a CPCI power supply to replace an ATXpower supply. The + 5VSB power supply module and the CPCI power supply plug-in are connected with an external power supply, and the + 5VSB power supply module is used for converting the external powersupply into a + 5V power supply and outputting the + 5V power supply. A CPCI standard power supply plug-in is adopted, the size is small, the equipment space can be greatly saved, and the defects that in the prior art, the size of a common ATX power supply is generally large, and sufficient installation space and wire harness arrangement space need to be reserved in a case to facilitate disassembly and assembly of a power supply module are overcome.

The invention discloses a computer safety locking device based on fingerprint recognition. The device comprises a case, a fixing block, a transverse plate, a transverse strip and an electric telescopic rod. A rear back plate is arranged on the left side of the case. Mounting blocks are connected into the upper end and the lower end of the rear back plate in a penetrating manner. The fixing blocksare located on the outer sides of the mounting blocks. A limiting spring is connected into the first limiting groove in a penetrating manner. A second connecting block is arranged at the lower end ofthe limiting block, and a first permanent magnet strip is inlaid in the outer surface of a second connecting block, a transverse plate is arranged in a mounting block in a penetrating mode, the transverse strip is located in the mounting block, the upper portion of an electric telescopic rod is electrically connected with a controller, and a fingerprint identifier is mounted on the right side of the upper end of a mounting box. The computer safety locking device based on fingerprint recognition is good in locking effect and high in safety, the locking structure is hidden and not prone to beingdamaged, and the unlocking position is shielded and not prone to being damaged intentionally.

The pressure transmitter convenient to disassemble and assemble comprises a pressure transmitter body and a pipeline; the top end of the pipeline is provided with a connecting pipe which is welded tothe pipeline integrally; the interior of the connecting pipe is communicated with the interior of the pressure transmitter body; and the outer wall of the connecting pipe is fixedly sleeved with a hollow first fixing sleeve; the top end of the first fixing sleeve is an open end; a first sealing rubber ring is fixedly arranged on the inner wall of the first fixing sleeve; and an instrument panel and a line connector are arranged on the side wall of the pressure transmitter body. According to the pressure transmitter convenient to disassemble and assemble, the arranged first sealing rubber ringwraps the second fixing sleeve of the connecting pipe, so that secondary sealing installation is achieved; after installation, an installation sheet arranged on the first sealing rubber ring corresponds to an auxiliary installation sheet arranged on the second sealing rubber ring, then plastic threaded rods are spirally inserted into the installation sheet and the auxiliary installation sheet, andfinal fixing is conducted; the plastic threaded rods can be prevented from being rusted, the inconvenience of later disassembly is avoided, and the sealing effect is good during installation.