101results about How to "Easy to install and fix" patented technology

The invention belongs to the technical field of environmental monitoring and particularly relates to a multi-component atmospheric environment gridded monitoring instrument. The invention aims to solve a problem that traditional atmospheric monitoring equipment has the disadvantages of a large volume, a high price and complex installation and maintenance and is difficult in satisfying higher and higher monitoring requirements. The invention provides the multi-component atmospheric environment gridded monitoring instrument which comprises a box body, a box body upper cover, a solar panel, a solar cell charging management unit, a storage battery, a switch power supply, a motherboard, a GPRS transmission module, a GPRS antenna, a GPS module, a partition switching board, a temperature and humidity sensor, a shield, an inlet humidity control unit, an air guidance fan, a PM2.5 sensor, a PM10 sensor, a gas sensor unit, and a meteorological station. Compared with the traditional atmospheric monitoring equipment, according to the atmospheric monitoring instrument, the reasonable model selection is carried out in various sensors, the humidity conditions measured by the sensors are controlled, and thus the sensors have the advantages of high accuracy, good stability, and high contrast in atmospheric gridded distribution site monitoring.

The invention discloses a clamping structure of a circuit board, which comprises a base, wherein the top of the base is fixedly connected with a box body, a bottom plate is slidably connected betweentwo sides of the inner wall of the box body, fixed blocks are fixedly connected at two sides of the bottom of the inner wall of the box body respectively, one side of the inner wall of each fixed block is fixedly connected with a first sliding block, the other side of the inner wall of each fixed block is fixedly connected with a second sliding block, an upper check block, which is located betweenthe first sliding block and the second sliding block, is fixedly connected between the front and back sides of the inner wall of each fixed block, the bottom end of each rotating rod runs through thecorresponding fixed block and extends to the internal part of the fixed block, and the end, which extends to the internal part of the corresponding fixed block, of each rotating rod is fixedly connected with a fixed rod. The invention relates to the technical field of a circuit board clamping structure. The clamping structure of the circuit board can clamp effectively and can perform adjustment according to different circuit boards, thereby being convenient for fixing and clamping different circuit boards, reducing unnecessary waste, greatly improving the clamping efficiency and being very convenient in use.

The invention relates to a construction method of a light steel roof for an assembly building. The construction method comprises a bottom plate, a lifting device and jacking devices, wherein the lifting device is arranged in the middle of the upper end of the bottom plate, and the jacking devices are symmetrically arranged at the upper end of the lifting device and connected with the upper end ofthe lifting device through pin shafts. The construction method can solve the problems that when the existing light steel roof is constructed, crossing beams are usually mounted and fixed manually, andsafety problems are easily caused during manual carrying; moreover, the crossing beams have a poor mounting effect and are easy to offset, so that the stability of the overall structure of the lightsteel roof is affected; meanwhile, when steel beams and slabs are mounted, the steel beams and slabs cannot be positioned accurately, and the distance between the steel beams and slabs cannot be controlled accurately, so that the subsequent processing of roof panels is not facilitated.

The invention discloses an LED road lamp which comprises a lampshade and an LED light source. The lampshade comprises an upper cover and a lower transparent cover. The upper portion of the lower transparent cover is provided with an installation plate for fixing the LED light source. The LED light source is composed of a plurality of independent LED modules. Each LED module comprises a radiator and an LED light-emitting assembly fixedly arranged at the bottom of the radiator. Each radiator comprises a cylindrical body and radiating fins arranged on the top of the body, wherein the whole radiating fins are in a cylinder shape, and the contour formed by the radiating fins is larger than the body in outer diameter size. Through holes matched with the bodies in outer diameter size are formed in the installation plate. A wire guide hole is formed in the center of each radiator. An elastic rubber plug is arranged inside each wire guide hole. Transparent cover lids used for sealing the LED light-emitting assemblies are arranged at the bottoms of the bodies. The LED light-emitting assemblies emit light towards the transparent cover lids. The transparent cover lids are in threaded connection with the bottoms of the bodies. The LED road lamp is good in universality and replaceability and low in maintenance cost.

The invention discloses a portable spherical infrared camera. The portable spherical infrared camera comprises a hood, a hemispherical transparent cover, a circuit board, a drive motor, a rotating arm, a camera lens and light supplement lamps. The drive motor is arranged in the hood, the hemispherical transparent cover is fixed to the portion below the hood to form a containing cavity, the camera lens and the light supplement lamps are arranged in the containing cavity, the light supplement lamps are fixed around the camera lens, the circuit board is electrically connected with the drive motor, the camera lens and the light supplement lamps, the drive motor drives the camera lens to rotate through the rotating arm, elastic fixing parts are arranged on the outer wall of the hood, a flange is arranged at the bottom of the hood, and the flange and the elastic fixing parts are matched to fix the hood into holes formed in a plate in a matched mode. Through the combination of the elastic fixing parts and the outer edge at the bottom of the hood, the structure of the camera is simplified to facilitate installation and fixation; the size is reduced to facilitate package and transportation; the portable spherical infrared camera further has the advantages that heat is convenient to dissipate, and the service life is long.

The invention discloses a milk collection device for energy plants and a collection method thereof. The milk collection device for energy plants comprises a fixture and a collection unit. A trunk is tied inside the fixture; one lateral surface of the trunk is provided with a milk outlet face; the fixture includes a first fixing segment, a second fixing segment, a third fixing segment, a fourth fixing segment, a fifth fixing segment, a sixth fixing segment and a collection unit mounting segment; both the outer end of the first fixing segment and the outer end of the second fixing segment are fixedly connected with fixing seats by welding. The milk collection device for energy plants has the advantages that the fixing seats are fixed just by rotating a rotary stem seat, and mounting firmnessand convenience are great; protective protrusions may play a role of fixation and can also ensure normal transmission of tree nutrients and water; guide plate A and guide plate B can cooperate to provide increased milk collection rate; the inner end of the collection box is attached to the trunk and may cooperate with a partition such that foreign impurities are avoided entering the collection box, causing milk contamination; the whole milk collection device can prevent contaminations by foreign impurities, is convenient to mount and has good collection convenience.

The invention discloses a device and a method for testing static and dynamic variable friction of a telescopic mechanism. The device comprises a test bed, a loading device, the telescopic mechanism and a test device. An outer tube of the telescopic mechanism is fixed on the test bed through an adaptation tool, an electromechanical loading device is connected with an inner tube of the telescopic mechanism through a steel wire rope and a tension sensor to exert axial load on the telescopic mechanism. The front end of the inner tube of the telescopic mechanism applies transverse load through a section counter weight. The tension sensor measures the horizontal tension applied by the loading device, a low-frequency acceleration sensor is installed at the front end of the counter weight to measure the swinging acceleration and the additional tension caused by the counter weight, a pull rope displacement sensor is used for measuring the horizontal sliding displacement of the inner tube, and strain foils are bonded to the outer tube at different positions to monitor the deformation conditions of the outer tube in the sliding process of the inner tube. The device has the advantages of being convenient to use and operate, stable and reliable in performance, high in measurement accuracy, wide in application range and the like.

The invention provides a mounting frame for a steel structure workshop, and relates to the technical field of steel structures. The mounting frame for the steel structure workshop comprises a supporting seat, a supporting pipe is welded to the top of the supporting seat, a supporting rod is movably inserted in the supporting pipe, a buffering block is connected to the bottom of the supporting rodin a lapped mode, and a limiting groove is formed in the side surface of the end, in the supporting pipe, of the supporting rod; and an inserting rod is movably inserted in the limiting groove. According to the mounting frame for the steel structure workshop, by arranging the supporting pipe and the supporting rod, the supporting rod is conveniently inserted in the supporting pipe; by arranging aconnecting plate, the limiting groove and the inserting rod, thus inserting rod is conveniently inserted in the limiting groove, and the position after the supporting rod is inserted in the supportingpipe is fixed conveniently; and then by forming a threaded groove, a fixing ring and a threaded rod, the positions of the inserting rod and the connecting plate are fixed conveniently, and thus the mounting frame achieves the effect of convenient mounting and fixing.

The invention discloses machining drilling machine equipment with high stability. The machining drilling machine equipment with the high stability comprises a base; a supporting frame is fixedly mounted on the left side of the upper end of the base; a driving mechanism is connected to the upper end of the supporting frame in a penetrating mode; a turnover mechanism is connected to the left end ofthe driving mechanism in a penetrating mode; the turnover mechanism is movably connected with the driving mechanism; the front side and the rear side of the upper end of the right side of the turnovermechanism are jointly in threaded connection with an upper limiting mechanism; the front side and the rear side of the upper end of the right side of the turnover mechanism are jointly in threaded connection with a lower limiting mechanism; a drilling mechanism is fixedly connected to the right side of the upper end of the base; and the drilling mechanism is positioned between the upper limitingmechanism and the lower limiting mechanism. The machining drilling machine equipment with the high stability has the advantages that the structure is novel and compact, the stability is high, the equipment can machine parts with different shapes, the fixation is firm, the universality is high, the adaptability is high, the automation degree is high, and the equipment can be widely applied and popularized.

The invention relates to an automobile front suspension lower swing arm assembly comprising a lower swing arm upper unit, a lower swing arm lower unit, an upper lining sleeve, a lower lining sleeve and a ball assembly. The section of the lower swing arm upper unit is in a U shape, a reinforcement rib is arranged in the U-shaped structure of the lower swing arm upper unit, and flanges are arranged on two sides of the U-shaped openings of the lower swing arm upper unit; the lower swing arm upper unit is a planar member with uniform thickness; the flanges of the lower swing arm upper unit and upper swing arm lower unit are fixedly connected. The U-shaped section is formed by welding the lower swing arm upper unit and the lower swing arm lower unit, the entire strength of the lower swing arm is increased effectively, assembling and fixing are facilitated, the housing of the ball assembly and the lower swing arm lower unit are in an integral structure, and the lower swing arm can be used safely after a ball pin is wore; the automobile front suspension lower swing arm assembly has the advantages of safety and reliability, high technology content and high operation stability and smoothness, vibration transmitted to an auxiliary frame by the lower swing arm during driving can be reduced, noise produced by the lower swing arm and the auxiliary frame during driving can be reduced, and the comfort of the entire automobile is improved.

The invention relates to a fixture construction applied to electronic devices for setting a casing of a first and a second component. The fixture construction comprises a casing and a positioning piece of the casting. The first component is fixed in the casing through a first component, the casing is positioned by a positioning piece which is capable of being combined to a second component overlapped onto a partial casing. Thus the casing, the first and the second components are positioned by a shared space at the same time, so as to save layout space.

The invention discloses a high-voltage electric cabinet with a number reading function. The high-voltage electric cabinet comprises a machine body. The protection plate, the mounting hole, the clamping mechanism and the limiting mechanism are arranged and used in cooperation; through use of the protection plate, the reading equipment body can be protected; the surface of the reading equipment bodyis prevented from being contaminated by dust; through using the clamping mechanism, the position of the protection plate can be limited; through using the limiting mechanism, a user can convenientlymount and fix the reading equipment body; a reading device body of an existing high-voltage electric cabinet is usually installed on the outer side of the high-voltage electric cabinet. Dust contamination is easily caused; according to the high-voltage electric cabinet with the number reading function, the problems that the reading equipment body needs to be cleaned and then used during maintenance, and meanwhile, the reading equipment body is easily damaged due to the fact that the reading equipment body is exposed outside are solved, and the high-voltage electric cabinet with the reading function has the advantages that the reading equipment body is convenient to install and is protected.

The invention provides a car window structure of a rail car. The structure includes car window glass, an outer frame and an inner frame. The car window grass is fixedly bonded to the outer frame, theouter frame and the inner frame are fixed together to form a window frame, through holes are formed in the outer frame, and fastening screws of the inner frame penetrate through the through holes to tightly fix the inner frame with a car body. The invention further provides an assembly and disassembly method of the car window structure of the rail car. According to the provided car window structure of the rail car, integral installation of the car window can be achieved, and fast replacement of the car window can also be achieved.

The invention discloses a sunk type green land rainwater treatment system. The sunk type green land rainwater treatment system comprises a sunk type green land, overflow wells, a pretreatment box and a water storage tank, the left side of the right side of the sunk type green land are both provided with buffer trenches, a water storage cavity is formed under the sunk type green land, the outer side of the water storage cavity is provided with a drain pipe opening, the left side and the right side of the sunk type green land are both provided with overflow pipe openings, the left side and the right side of each buffer trench are provided both with overflow wells, and the drain pipe opening is connected to a rain inlet of a filtering hydrocyclone through a connecting pipe. The construction method comprises the steps of 1, early-stage management; 2, establishment of the sunk type green land, 3, establishment of the overflow wells; 4, installation of the pretreatment box and the water storage box; 5, installation of the filtering hydrocyclone; 6, cleanup, check and repair. The sunk type green land rainwater treatment system is simple in structure and high in practicability, the whole rainwater treatment system is convenient in use, east to construct, convenient in later maintenance, check and repair, much in rain storage amount, and capable of dealing with the condition that a city has a large amount of rainfall.

The invention relates to a drying device (1) for drying a material web, in particular a paper, cardboard, or tissue web, comprising a steam-heatable cylinder (1.1) with an interior that has a lateral face (1.2). The drying device also comprises a device (10) lying in the interior for increasing the heat transfer from the interior to the lateral face (1.2). The device (10) comprises at least one disrupting strip (2), which lies axially and which has a contact surface (8) that is in contact with the lateral face (1.2), and at least one pressing element (3) for pressing the at least one disrupting strip onto the lateral face (1.2). The invention is characterized in that the lateral face (1.2) and/or the contact surface (8) of the disrupting strip (2) has means for increasing the friction coefficient between the lateral face (1.2) and the disrupting strips (2).

The invention belongs to the technical field of a server hard disk mounting device, in particular to an M.2 hard disk mounting bracket. The mounting bracket includes an M.2 hard disk mounting brackethaving a hard disk fixing portion and a connector fixing portion, The first side plate, the bottom plate and the second side plate of the hard disk fixing part are sequentially connected to form a hard disk mounting groove, the M.2 hard disk is clamped and fixed in the hard disk mounting groove, the connector fixing part is arranged at the groove end of the hard disk mounting groove, and the electric connection part of the M.2 hard disk is inserted and connected in the M.2 connector. When installing the M.2 hard disk, the connector fixing part and the connector are clamped and fixed, and the hard disk is clamped in the hard disk mounting groove of the hard disk fixing part. The installation and fixing operation is simple, and the hard disk is not locked by screws, so that the electronic components on the hard disk and the main board can be prevented from cracking or colliding by repeatedly removing and installing the screws; The hard disk and the hard disk connector are installed and fixed in the way of card connection, and the decoupling between each other is convenient to disassemble and assemble.

The invention discloses a driven gear assembly which comprises a motor support used for fixedly installing a fan head assembly, a wire passing pipe arranged at the lower end of the motor support and inserted into a supporting pipe in a relatively rotating manner, a motor used for driving the fan head assembly to swing and installed on the motor support and a driving gear connected with an output shaft of the motor. The present invention further discloses a fan which comprises a fan base and the fan head assembly, and the fan head assembly is driven to swing via the cooperative movement of thedriving gear and the above driven gear assembly. By designing the novel driven gear assembly, the driven gear assembly can be connected with the supporting pipe and can also be connected with the motor support at a machine head part, so that multiple purposes are achieved. The driven gear assembly and the supporting pipe are fixed through a buckle and a screw, and the driven gear assembly and themotor support are connected and fixed through a pure buckle, so that the assembly and disassembly are more convenient.

The invention relates to the field of product placement, in particular to a reciprocating type detecting, propelling and positioning device for product placement. The reciprocating type detecting, propelling and positioning device comprises a propeller, a conveying mechanism, a fixing mechanism, a power mechanism, a straightening mechanism, a storage mechanism and a damping mechanism. According to the reciprocating type detecting, propelling and positioning device, through conveying of the power mechanism, the conveying mechanism conveys and transports goods, meanwhile, under the effect of the propeller, the goods on the top of the conveying mechanism are pushed to another equipment to be conveyed, so that the goods moving and conveying efficiency is improved, through adjustment of the fixing mechanism, the conveying mechanism is fixed, the conveying mechanism is firmly fixed to the ground and is not prone to shaking, the conveying mechanism can conveniently and smoothly move, under the action of the straightening mechanism, the goods can be conveniently guided to the center of the conveying mechanism and can be prevented from deviating and falling off, under the action of the damping mechanism, pushing force on the goods can be relieved, the straightening mechanism is effectively protected from being damaged, and the straightening mechanism is stored and hidden under the action of the storage mechanism.

The invention discloses a position changing machine for assisting workpiece processing. The position changing machine for assisting workpiece processing comprises an active position changing machine seat which is provided with an active turntable, and also comprises an active bearing of which the inner ring is mounted on the active position changing machine seat; and the active turntable and the outer ring of the active bearing can rotate around the axis of the active bearing together. By using the position changing machine for assisting workpiece processing, a fixing mode and structure of theactive turntable are simplified; and through the use of the active bearing, the axial position of the active turntable can be fixed, and meanwhile, the active turntable can also rotate around the axis of the active bearing by utilizing the characteristic that the inner ring and the outer ring of the bearing can rotate independently.

The invention discloses a display array used for establishing a two-dimensional or three-dimensional display device. The display array comprises a plurality of linear display units, wherein, dot-shaped luminous bodies and a control circuit used for controlling the dot-shaped luminous bodies are arranged on the linear display units; the linear display units are connected with each other through a corresponding control signal line; the display array further comprises a power supply circuit which is separated from the control signal line; the power supply circuit consists of at least a positive pole power cord and a negative pole power cord which are separated from each other; and the linear display units are distributed and fixed along the power supply circuit at certain intervals, and are electrically connected with the positive pole power cord and the negative pole power cord. The separation of the power supply circuit from the control circuit solves the problem that the adoption of a printing circuit board on the prior display unit causes restriction on power supply currents, so that the display array provided by the invention can be used for manufacturing a large two-dimensional or three-dimensional device which can expanded without restriction.

The invention discloses a lifting device for a sunken anchor of a sailing ship. The device comprises two mounting plates which are symmetrically arranged, wherein the two mounting plates are both vertically arranged; a driving motor is arranged on the side wall of the mounting plate; the output end of the driving motor penetrates through the side wall of the mounting plate and is connected with atelescopic sleeve rod; the telescopic sleeve rod is rotationally connected with the mounting plate; a sleeve is arranged outside the telescopic sleeve rod in a sleeving manner; a steel cable is arranged outside the sleeve; the lower end of the steel cable is fixedly connected with a horizontally-arranged first supporting plate; the first supporting plate is of a hollow structure; a moving mechanism is arranged in the first supporting plate; two symmetrically-arranged clamping plates are arranged at the lower end of the moving mechanism; the two mounting plates are of a hollow structure; movingbodies are arranged in the two mounting plates; and mounting mechanisms are arranged at the lower ends of the two moving bodies. Manual rope tying for salvaging is not needed, and lifting operation can be conveniently conducted on the sunken ship anchor.

The invention relates to the technical field of building materials, in particular to a corrosion-resistant external wall insulation board. The corrosion-resistant external wall insulation board comprises a wall and an insulation board main body; the insulation board main body is located on the outer side of the wall; a groove is formed in the outer side of the insulation board main body; a decorative layer is fixedly installed in the groove; and connecting blocks are arranged on the left side and the right side of the insulation board main body. Through the arrangement of a polymer mortar layer, a corrosion-resistant layer, a fireproof heat insulation layer, a heat preservation layer, the connecting blocks, sealing strips and threaded columns, the advantages of being high in safety and stability, convenient to install and fix, capable of effectively improving the corrosion resistance, excellent in heat preservation performance and fireproof performance and capable of prolonging the service life are achieved; and the problems that an existing external wall insulation board is relatively poor in connection stability, low in corrosion resistance, prone to falling off due to corrosionafter being exposed to the outer surface for a long time and insufficient in overall strength are solved.

The invention discloses a working table with a dust remover. The working table comprises a bottom box provided with an opening in the top, the top of the bottom box is fixedly provided with an operation table, and the operation table covers the opening of the bottom box; the top of the operation table is fixedly provided with a mounting box with openings in the bottom and one side, wherein a mounting plate is fixedly installed at the top of the mounting box, and a buffer groove is formed in the top of the mounting plate; a buffer plate is installed in the buffer groove in a sliding mode, the top of the buffer plate is fixedly provided with a containing plate positioned above the mounting plate, a fan is arranged at the top of the containing plate, a containing block is fixedly installed atthe bottom of the fan, a containing groove is formed in the top of the containing plate, and the containing block is clamped to the containing groove; and two moving grooves are formed in the top ofthe containing plate, and moving plates are installed in the moving grooves in a sliding mode. According to the working table, installation and fixation of the fan are convenient; meanwhile, vibrationreducing of the fan is convenient so that the noise of the fan during working can be reduced; and structure is simple, and use is convenient.

The invention relates to the technical field of temperature control equipment parts, in particular to a temperature controller shell with a lateral mounting mechanism. The temperature controller shellcomprises an outer shell body with a built in temperature control module, a front function slot is formed in the front side of the outer shell body, and a liquid crystal display and a control switchpanel which are matched with the temperature controller module are fixedly connected in the front function slot. Connecting planes provided with longitudinal sliding chutes are respectively arranged on two sides of the shell, connecting flip boards capable of sliding and flipping to the upper and lower surfaces of the outer shell body are arranged on the connecting planes, accommodating cavities arranged in inner walls of the connecting flip boards can have external detection equipment accommodated conveniently, functionality of the shell is improved, internal screw fixation holes used for fixed installation are formed in the connecting planes, fixed installation of the equipment is greatly facilitated, extra external space occupation is avoided, and convenience is brought to accommodationand storage.

The invention relates to the technical field of sewage treatment, in particular to a sewage purification device. The device comprises a casing, wherein a plurality of supporting legs are connected tothe lower end of the casing; a drain pipe is connected to the lower part of one side of the outer wall of the casing, and a drain valve is arranged on the drain pipe; a water inlet pipe is arranged atthe upper part of one side of the outer wall of the casing, and a water inlet valve is arranged on the water inlet pipe; a plurality of inserting plates are arranged at the lower part of the inner wall of the casing; filter devices are arranged inside insertion slots; a sealing device is arranged inside an arc-shaped groove and comprises an arc-shaped plate, insertion heads matched with insertionholes are symmetrically arranged in the arc-shaped hole, a rotating rod is inserted in one side of the arc-shaped plate, the other end of the rotating rod extends into the arc-shaped hole, and the outer side of the rotating rod is sleeved with a gear meshed with teeth. The device is convenient and quick to mount and fix, saves time and labor, can improve working efficiency and save cost, and canbe disassembled and assembled by non-professional workers.

The invention relates to the technical field of new energy vehicles. The invention discloses a storage battery fixing and clamping mechanism for a new energy automobile. The mechanism comprises a boxbody. A supporting rod is arranged on the surface of the box body. The surface of the support rod is movably connected with a turntable. A bearing is arranged in the turntable. Tooth grooves are formed in the rotary disc. A pressing plate is arranged on the surface of the turntable. According to the storage battery fixing and clamping mechanism for a new energy automobile, the pressing plate is matched with the turntable for use, the rack is matched with the rotating shaft I and the rotating shaft II for use, the convex disc is matched with the sliding rod for use, the push rod is matched withthe clamping block for use, the storage battery can be laterally clamped by utilizing the gravity of the storage battery, so that the storage battery is more convenient to install and fix and simpleto operate, a certain space is reserved between the storage battery and the box body, the storage battery is prevented from colliding with the box body, the service life of the storage battery and thebox body is prolonged, potential safety hazards are reduced, and meanwhile, the heat dissipation space of the storage battery is increased.

This invention relates to an optical central sample device for getting automatic brightness stable signals in an image conversion device of a x-line unit including a sample lens and a photomultiplier tube or a photodiode characterizing in mounting a kind of light filter in front of the optical sampling device replacing the known diaphragm in which, the light filter may be a set composed of two filters with different central apertures or a neutral one of a glass filmed with NiCrFe alloy and the filming of which becomes thicker steadily from the center to the edge. The phenomena will not happen if uses this invented method that the switch beam limiter or a transmitted load density becomes larger suddenly or an image brightness picture changes suddenly which realizes automatic brightness stable signal quick tracing.

The invention discloses a gas-liquid absorption tower for pharmaceutical and chemical production. The absorption tower comprises an absorption tower main body and a protection mechanism, the outer wall of the top end of the absorption tower main body is fixedly connected with a liquid inlet pipe, the outer wall of the bottom end of the absorption tower main body is fixedly connected with a liquidoutlet pipe, gas inlet pipes are fixedly connected to the surfaces of the two sides of the absorption tower main body, the top surface of the absorption tower main body is fixedly connected with a gasoutlet pipe, the liquid inlet pipe, the liquid outlet pipe, the gas inlet pipe and the gas outlet pipe are all communicated with the interior of the absorption tower main body, the protection mechanism comprises a protection base, the protection base is mounted in ports of the gas inlet pipes, through holes are formed in the end surface of the protection base, and the through holes are communicated with the interior of the gas inlet pipes. The designed protection base is fixed in the ports of the gas inlet pipes, so rubber balls are contracted into a storage groove under the action of gas thrust in use, and the rubber balls seal the through holes of the protection base under the pushing of a fixing spring when not in use.

The invention relates to the technical field of children games, and discloses a cable protection sleeve connecting component with good sealing performance, and the component comprises a connecting sleeve, fixing mechanisms are symmetrically arranged at two ends of the connecting sleeve, a first sealing mechanism is mounted on the inner side of each fixing mechanism, and a second sealing mechanism is arranged on the inner side of each first sealing mechanism; each second sealing mechanism comprises an inflation ring, the inflation ring is installed in the connecting sleeve, an air bag is connected to the inflation ring in a sealed mode, the inflation ring is connected with an inflation mechanism, the inflation mechanism is connected with a driving mechanism, the driving mechanism is arranged in the center of the top of the connecting sleeve, and protection mechanisms are symmetrically arranged on the two side walls of the connecting sleeve. According to the invention, the connecting sleeve is convenient to mount and dismount, the first sealing mechanisms and the second sealing mechanisms enable the connecting sleeve to have excellent sealing performance, and the cable joint can be effectively protected. The component is simple in structure, convenient to operate and long in service life.

The invention discloses a luminous cable sign, comprising a cable sign body. The front of the cable sign body is provided with a cable sign made of a luminous material. The back of the cable sign body is coated with glue. The luminous cable sign can emit light at night and indicate the position and direction of a cable at night, facilitating night inspection and urgent repair and saving a lot of time for workers.