101results about How to "Installation applies" patented technology

A diagonal brace type shock absorber for an automobile engine, comprising an upper mounting base and a lower mounting base, a support column is fixedly connected in the middle of the lower side of the upper mounting base, and a plurality of first A hinge; the upper side of the lower mounting seat is fixedly connected with a vertical sleeve, the bottom of the vertical sleeve is evenly connected with several horizontal sleeves, the horizontal sleeve is fixedly connected with the first magnetic pole, and the opposite surface of the first magnetic pole is provided with The second magnetic pole, the first magnetic pole and the second magnetic pole are connected by a first return spring, one side of the second magnetic pole is fixedly connected with a moving column, and the other end of the moving column is provided with a second hinge, the first A diagonal brace is rotatably connected between the hinge and the second hinge; several rubber pads are fixedly connected between the horizontal sleeve and the upper mount. The invention has the advantages of reasonable structural design, convenient use, good damping effect and the like, and is suitable for engine installation.

The invention relates to a novel front cabin skeleton structure of an electric automobile. The novel front cabin skeleton structure comprises a front cabin left longitudinal beam and a front cabin right longitudinal beam, and a front cabin cross beam skeleton structure is arranged between the front cabin left longitudinal beam and the front cabin right longitudinal beam. The front cabin cross beam skeleton structure, the front cabin left longitudinal beam and the front cabin right longitudinal beam form a frame type front cabin skeleton structure. The novel front cabin skeleton structure of the electric automobile facilitates mounting of a power assembly and electrical appliance parts, front cabin space is effectively used, the vibration and impulse loads subjected by a front cabin are isolated or reduced, and the strength and the rigidity of the front cabin skeleton structure are effectively improved.

The present invention relates to a precision lifting equipment. It includes the following several portions: bearing plate, lifting mechanism, upper panel, lower panel and driving device, in which the lifting mechanism is composed of more than two lifting units which are parallelly connected, the described lifting unit is formed from two X-type girders which are connected by means of hinge. The described driving device is assembled in the connected position of the described hinge. Said invention can be used for mounting and lifting precision apparatus and instrument.

The invention discloses a novel LED (light emitting diode) projection lamp which comprises a rear lamp housing, wherein an opening is formed in the front end of the rear lamp housing; the front end of the rear lamp housing is provided with a front lamp cover in a butting manner, and a lamp cavity is formed in the front lamp cover; a luminous assembly and a reflection cover for reflecting light are arranged in the lamp cavity; the novel LED projection lamp is characterized in that a rainwater temperature control probe for detecting whether raining occurs outside is arranged on the outer wall of the rear lamp housing; an air cooling device is arranged in the lamp cavity outside the reflection cover and comprises an air inlet pipe and an air exhaust pipe which are oppositely arranged on two inner sides of the rear lamp housing and are communicated with the outside; an air suction fan which is connected with the air inlet pipe and is used for blowing external air into the lamp cavity and an air exhaust fan which is connected with the air exhaust pipe and is used for exhausting hot air in the lamp cavity are respectively arranged at the bottom of the rear lamp housing; electromagnetic valves for controlling the air inlet pipe and the air exhaust pipe to be switched on and switched off are arranged in the air inlet pipe and the air exhaust pipe. Due to the arrangement, the novel LED projection lamp is high in heat dissipation performance and waterproofing performance.

The invention provides a shower room adjustable aluminum structure. The shower room adjustable aluminum structure comprises a fixing aluminum material, a stretching aluminum material and an angle-adjusting aluminum material, wherein one end of the angle-adjusting aluminum material is hinged with one end of the stretching aluminum material, the other end of the angle-adjusting aluminum material is provided with a first arc side, the other end of the stretching aluminum material is provided with a second arc side, and the first arc side and the second arc side are embedded to each other in a sliding manner. After the shower room adjustable aluminum structure is installed, stretching adjustment and angle adjustment can be realized and installation on a wall at any angle can be realized; and the structure has high universality and a reasonable structure, the corners of the wall are smooth and beautiful, and the structure is suitable for the installation of the shower room on different conditions.

The invention relates to a combined type anti-seismic support and hanger. The combined type anti-seismic support and hanger comprises a combined support, wherein the combined support comprises a firstbottom rod, a vertical rod, a first cross beam and a second cross beam; the first bottom rod is provided with a first pipe clamp used for clamping a water pipe; an air pipe is arranged on the secondcross beam; the upper end of the vertical rod is provided with second bottom rods; first threaded rods are fixed to the positions, located at the two ends of the second bottom rods, of the upper end faces of the second bottom rods; the upper ends of the first threaded rods are fixed to the top of a building; the two second bottom rods are provided with first lateral inclined struts; each first lateral inclined strut comprises C-shaped channel steel and connecting pieces arranged at the two ends of the C-shaped channel steel; each connecting piece comprises a first hinged part and a second hinged part which are hinged to each other; the two first hinged parts are fixed to the two ends of the C-shaped channel steel correspondingly; and one second hinged part is fixed to the corresponding second bottom rod, and the other second hinged part is fixed to the top of the building. The combined type anti-seismic support and hanger has the effect of widening the application range.

The invention discloses a device for mounting interference fit pin shafts in a drawing manner. The device comprises a traction rod, a tension rod, a jack and a nut; the traction rod is provided with a conical surface; the tension rod comprises a tension rod I or a tension rod II; the tension rod II is a screw rod with threads on full length; the tension rod I is a slender round rod; in a working state, a large end of the traction rod is connected with a pin shaft; a thread hole in the center of a small end of the traction rod is connected with a connecting thread end of the tension rod II or the tension rod I; the tension rod penetrates through mounting holes of a fork lug and the pin shaft, so that the conical surface of the traction rod is clamped into the mounting hole of the fork lug; the tension rod penetrates through the jack, and is connected with the nut through a tension thread end of the tension rod II or the tension rod I; and the bottom end of the jack is pressed on the fork lug. The device stably mounts the interference fit pin shafts at low speed through the traction rod, the tension rod and the jack, is simple and reliable in structure, high in mounting precision and simple in mounting method, and in particular, is suitable for installation of the interference fit pin shafts aerially assembled on the engineering field.

The invention discloses an installation method for rubber intermediate head of high voltage power cable and a device, comprising the following steps: sleeving the intermediate head in cable main insulation in a certain depth, aerating high pressure gas in the chamber of the intermediate head and surface of cable main insulation, stopping aeration when moving in the given position; before sleeving the intermediate head in the cable, adopting the method for sleeving intermediate head using Half sleeve, namely, sleeving two Half sleeves into the chamber at two ends of the intermediate head, then sleeving the intermediate head with two ends having the Half sleeves into the cable main insulation using the high pressure gas, the fore end of Half sleeve having sealing ring and aerating hole; after connecting two cables, restarting to aerate, then pushing the intermediate head in the opposite direction to move in the given position to stop aeration, then unloading two Half sleeves, and the intermediate head elastically enclasping in the cable main body. The invention greatly improves the installation efficiency of the intermediate head and has simple and reliable operation, in particular is applicable to the installation of 100KV power cable.

The invention discloses a protection mechanism of a home controller based on an artificial intelligence technology. The protection mechanism comprises a protective shell, a locking piece, an antenna hole, a protective cover, a cover plate, a visual window, a fixing mechanism, a stabilizing device and a wire fixing device. The stabilizing device is installed at a lower end in the protective shell,a rotating button is installed at a lower end in the device, a threaded rod is driven by the rotating button to rotate, a transmission mechanism can be driven, pressing plates at two ends stably clampside faces of embedded controllers, and the protection mechanism is suitable for mounting of controllers of most sizes, good in stabilizing effect and free of shaking; a fixing mechanism is mounted at a right end of the top of the protective shell, an antenna can be clamped in the fixing mechanism, multi-angle adjustment can be carried out on the antenna at the right end in the mechanism, stablefixation is achieved after adjustment, the situation that stability of the antenna is poor after adjustment and the antenna is prone to deviating under the action of common external force is avoided,an upper end of the antenna is effectively fixed and protected, and the antenna is prevented from being damaged.

The invention discloses an intelligent fingerprint handle lock with a lock cylinder. The intelligent fingerprint handle lock with the lock cylinder comprises a handle housing, a lithium battery installed in a main control box and a square shaft installed outside the handle housing. A cavity of the handle housing is internally provided with a mechanical unlocking component and an electronic unlocking component. The handle housing is a hollow structure. The cavity of the handle housing is provided with the main control box. The electronic unlocking component is installed in the main control box.The main control box is internally provided with an idle shaft sleeve. The mechanical unlocking component is installed at one side of the main control box and contacts with the idle shaft sleeve. Theidle shaft sleeve is sheathed between the mechanical unlocking component and the electronic unlocking component. The mechanical unlocking component is formed by the lock cylinder and a lock cylindercam. The electronic unlocking component is formed by an electronic unlocking module, the lithium battery and a screw rod motor. The intelligent fingerprint handle lock with the lock cylinder is capable of installing the lock cylinder opened by a key in the handle housing, after an electronic fingerprint lock is invalid, opening the electronic fingerprint lock through the key.

A large-span flat top plate installation structure of a railway vehicle comprises a beam, a flat top plate framework, a flat top plate and a central flat top plate framework support which are fixed together through first connection pieces. The outer end of a first flat top plate is fixed with a first plat top plate framework through a second connection piece, the inner end of the first flat top plate is fixed with the central flat top plate framework support through a first press lock, and the outer end of the second flat top plate is fixed with a second flat top plate framework through a second press lock. The flat top plate structure omits lining materials on the back portion of the installation position of the prior structure, the periphery of the flat top plate is respectively fixed through the press locks in insertion mode, and the installation structure is attractive and generous in appearance due to the fact that no screws or press strips are exposed to the outside. Further, the installation structure is simple in structure and simple to assemble, and facilitates maintenance and replacement of the flat top plate. The connection position of the flat top plate and the connection piece is respectively provided with an adjusting rubber block and a press rubber block, has damping effect and is especially suitable for installation of the large-span flat top plate.

The present invention relates to a connecting device (1) for a wall duct, particularly for the sealed arrangement in a lead-through opening (2) of a wall element (4) and for connecting at least two media lines (6). The connecting device (1) comprises a connecting part (8) with a first connecting section (10) that can be lead trough the lead-through opening (2) and a second connecting section (12) with a contact element (14) for the insert-delimiting contact with the wall element (4) and with holding means (16) for locking the connecting part (8) in the mounted position when inserted in the lead-through opening (2). The connecting device (1) comprises detent means (IS) as holding means, which can be lead through the lead-through opening (2) together with the first connecting section (10) such that they engage behind the wall element (4) in a snap-fit manner for locking purposes.

A deformed steel bar and prestressed tendon connector comprises a connection anchor plate, clamping pieces I and II, hollow bolts I and II, and columnar elastomers I and II. A conical hole I, a conical hole II, an inner threaded hole I and an inner threaded hole II are formed in the two end faces of the connection anchor plate correspondingly. The conical hole I and the conical hole II are used for installing the clamping piece I and the clamping piece II. The inner threaded hole I and the inner threaded hole II are used for installing the hollow bolt I and the hollow bolt II. The taper directions of the conical hole I and the conical hole II are opposite. The hollow bolt I and the hollow bolt II are of a center-penetrating type and are provided with outer threads. In an installation state, a prestressed tendon and a deformed steel bar penetrate through inner holes of the hollow bolt I and the hollow bolt II correspondingly. The clamping piece I and the clamping piece II are installedin the conical hole I and the conical hole II of the connection anchor plate correspondingly. The columnar elastomer I and the columnar elastomer II are installed in the hollow bolt I and the hollow bolt II correspondingly to be clamped tightly by clamping grooves. The hollow bolt I and the hollow bolt II are screwed into the inner threaded hole I and the inner threaded hole II of the connection anchor plate correspondingly. The deformed steel bar and prestressed tendon connector has the advantages of being easy to install, high in efficiency and high in anchoring reliability.

The invention relates to the technical field of deep-sea electromagnetic surveying, in particular to a deep-sea pressure bearing compartment. The deep-sea pressure bearing compartment comprises a front end cover, a pressure bearing compartment body and a rear end cover. The front end cover and the rear end cover are detachably connected to the pressure bearing compartment body, the pressure bearing compartment body is cylindrical, an installation plane which is matched with the surface of a heating component to be installed is arranged on the inner wall of the pressure bearing compartment body, and an auxiliary radiator is arranged at the position, corresponding to the installation plane, of the outer wall of the pressure bearing compartment body, and is used for heat dissipation of the high-power heating component. By the adoption of the deep-sea pressure bearing compartment, the pressure bearing performance is guaranteed, the heat dissipation performance is remarkably improved, and the deep-sea pressure bearing compartment is compact in structure, large in compartment space and good in leakproofness, easy to assemble, and applicable to installation of high-power equipment and particularly applicable to installation of high-power transmitter systems.

The invention relates to a Beidou satellite communication-based tidal level data acquisition and transmission device, which consists of two parts, i.e. a tidal level information forwarding part and a Beidou navigation part, wherein the tidal level information forwarding part is used for receiving tidal level information through a VHF (very high frequency) receiving antenna, demodulating the tidal level information through a data transceiver, transmitting the tidal level information to a data processing unit, processing data through the data processing unit, creating a compressed data packet, and transmitting the compressed data packet to a data register; the Beidou navigation part is used for transmitting the data to a Beidou navigation satellite according to a timeslot of a Beidou satellite navigation system at proper time. According to the device, the data transmission of Beidou satellite navigation has the characteristics of reliability, all-weather performance and remoteness, so that the tidal level data can be effectively transmitted to an area which cannot be covered by a conventional wireless data transmission board.

The invention provides a wearable device, and the main body of the wearable device comprises a shell and a shell inner cavity, wherein a charging hole is formed in a lower shell, and a charging connector is installed in the charging hole. A PCB is detachably installed in the shell inner cavity. The charging connector comprises a pin head, a pin tube and a spring piece, wherein the pin head abuts against the PCB to achieve conductive connection, and a sealing ring is installed in a first annular groove in the outer surface of the tube wall of the pin tube in a matched mode and is in interference fit with the charging hole. The principle of the charging connector is the same as that of a pogo pin, and the charging connector is conducted with the PCB through stretching and retracting of the pin head. Moreover, the PCB is detachable and convenient to replace, the lower shell and the PCB cannot be damaged, and the rejection rate is reduced; the charging connector is simple in installation structure, convenient to assemble and especially suitable for being installed in a narrow space. The sealing ring is in interference fit with the charging hole, so that the waterproof performance of the charging connector mounting position is greatly improved.

The invention discloses filter large cap automatic mounting equipment. The equipment comprises a worktable, and an electric control device arranged in the worktable; a whole mechanism is arranged on the upper side of the worktable; an upper protective cover for protecting the whole mechanism is arranged on the outer side of the whole mechanism; the whole mechanism comprises an automatic mounting whole position adjusting mechanism, a large cap automatic rotary mounting mechanism, a rotary mounting movable pressing mechanism, a filter positioning structure and a filter fixing mechanism; throughcooperation of the large cap automatic rotary mounting mechanism, the rotary mounting movable pressing mechanism, the filter positioning structure and the filter fixing mechanism, filter large caps can be quickly and automatically mounted on filters; and the filter positioning structure is replaced, and the height position of the large cap automatic rotary mounting mechanism is adjusted through the automatic mounting whole position adjusting mechanism, so that the mounting of filter large caps with different sizes can be met.

The invention discloses a clamping piece which comprises a keel clamping part and a ceiling clamping part. The ceiling clamping part comprises a limiting clamping plate and a pair of bearing clamping plates. The limiting clamping plate is provided with limiting clamping grooves. Each bearing clamping plate is divided into a main bearing plate and an auxiliary bearing plate, the main bearing plates are provided with sliding adjustment pieces, and bearing clamping grooves are formed between the sliding adjustment pieces and the auxiliary bearing plates. Due to the fact that the bearing clamping grooves are formed by the sliding adjustment pieces and the auxiliary bearing plates, the bearing clamping grooves can be changed by adjusting the relative positions between the sliding adjustment pieces and the auxiliary bearing plates, the positions of the sliding adjustment pieces can be changed through the clamping piece, and accordingly the clamping piece is mounted and dismounted. The invention further discloses an assembling method and disassembling method of the clamping piece and a ceiling.

The invention discloses a sealing structure for mounting a sensor by penetrating through two layers of pressure boundaries, a penetrating steel pipe penetrates through an outer-layer pressure boundary, and one end of the penetrating steel pipe is hermetically connected to the outer wall of an inner-layer pressure boundary through an inner-layer sealing device; the penetrating steel pipe penetratesthrough the outer-layer pressure boundary and is hermetically connected to the outer-layer pressure boundary through an outer-layer sealing device; the sensor probe and the sensor cable are both arranged in the penetrating steel pipe, and the sensor probe is connected to the sensor cable. The sensor probe penetrates through the inner-layer pressure boundary and is connected to the inner-layer pressure boundary in a sealed mode. The invention further discloses a sealing method for installing the sensor by penetrating through the two layers of pressure boundaries. According to the sealing structure and method for installing the sensor by penetrating through the two layers of pressure boundaries, the problem that the sensor is installed by penetrating through the two layers of pressure boundaries is simplified into the problem that only the inner-layer pressure boundary needs to be penetrated for installation, and the problem that a sensor signal cable also needs to be penetrated and sealed is solved.

The invention discloses a belt mounting assisting device for an internal combustion type generator set. The belt mounting assisting device comprises an upper mounting shell and a lower mounting shell,and distance adjusting gear racks are mounted in the upper mounting shell and the lower mounting shell. The distance adjusting gear racks are rotationally connected through a distance adjusting gear,and a locking buckle is arranged on the distance adjusting gear. Rotary motors are fixed into the upper mounting shell and the lower mounting shell, and rotary cams are fixed to output shafts of therotary motors. Jack catches and locating columns are arranged on the sides, away from the rotary motors, of the rotary cams, totally four jack catches are arranged, and the jack catches are evenly arranged around the locating columns. According to the belt mounting assisting device, the upper mounting shell, the lower mounting shell, the distance adjusting gear, an arc-shaped top plate, an arc-shaped supporting plate and the rotary cams are arranged, so that the problems that use cost is high, the structure is complicated, use is inconvenient, the belt mounting assisting device is not suitablefor assembly line work, and maintenance cost is high are solved.

The invention provides an installation method for short mandrel continuous casting rolls adopting interference fit. Since the installation between roller sleeves and mandrels of the short mandrel continuous casting rolls adopts interference fit, the assembly is realized by utilizing the principle of thermal expansion and cold contraction of materials, namely the roller sleeves are assembled with the mandrels at normal temperature after being heated to a set temperature, or the roller sleeves are assembled with the cooled mandrels after being heated to the set temperature, so that the requirement on interference fit of the short mandrel continuous casting rolls can be realized. The installation method is suitable for installation of the short mandrel continuous casting rolls.

The invention discloses a positioning device for cable rod installation. The positioning device comprises a fixed base, a positioning mechanism, a fastening mechanism and a stretching mechanism. The lower surface of the fixed base is fixedly provided with a plurality of sets of universal wheels, and one side of the universal wheels close to the middle of the fixed base is provided with an anti-slip mechanism. The anti-slip mechanism is composed of a telescopic rod and a fixed block. The upper end of the telescopic rod is fixedly disposed on the lower surface of the fixed base, the lower end ofthe telescopic rod is connected with the fixed block, a plurality of fixed rods are fixedly disposed on the upper surface of the fixed base, the upper ends of the fixed rods are connected with the positioning mechanism, and the fastening mechanism and the stretching mechanism are both mounted on the positioning mechanism. The positioning device has the advantages of being simple in structure, convenient to operate, reasonable in design, capable of effectively positioning and installing cable rods without use of a large crane for collaborative work, more rapid and stable in installation and capable of reducing the workload of workers and reducing safety hazards.

The invention discloses a door body installation structure of a drying machine. The door body installation structure comprises a stand column, a door body and a rotary connecting mechanism, the door body is rotatably connected to the stand column through the rotary connecting mechanism; the rotary connecting mechanism comprises a door shaft sleeve, a first pin shaft, door supports, a second pin shaft and a hinge, the door supports are fixed to the stand column and rotatably connected with the door shaft sleeve through the first pin shaft, and the hinge is fixed to the door body and connected with the door shaft sleeve through the second pin shaft; and a locking device is arranged between the door body and the stand column, and the locking device compresses the door body to the stand column. By arranging the installation structure of a supporting device and the locking device, the door body of the heavier drying machine can be stably installed, compressing allowance of the door body andthe stand column can be adjusted and locked, and sealing and energy conservation and emission reduction of the drying machine are further realized.

The invention discloses a novel model house wall installation device. The device comprises a rack, support legs arranged on the rack, a supporting frame, a gripping mechanism and a transporting mechanism, wherein the supporting frame is arranged on the supporting legs and used for supporting a wall plate, the gripping mechanism is arranged at one end of the supporting frame and used for gripping the wall plate, and the transporting mechanism is arranged on the rack and used for transporting the wall plate to an installation position. The device is specially used for the wall plate of the model house wall installation, full-process automated operation is achieved, pipelined operation can be achieved, and the functions of gripping, transporting and positioning installation can be achieved, traditional working modes of manual transporting and one-by-one operation installation are changed, labor is saved, working efficiency is improved, and the device is reasonable in structure, suitable for installation of various different wall plates, high in integrated performance and specially suitable for installation of model house wall plates.

The invention discloses a welding coil spring mounting tool. The welding coil spring mounting tool comprises a torque wrench, a rotating shaft, a front end cover plate, a front end box cover, a hexagonal rotating shaft, a coil spring cover plate, a sleeve, a hexagonal rotary clamping piece, a bolt fixing piece, a bolt fixing seat and a cylindrical plug-in unit, wherein the torque wrench is mounted at one end of the rotating shaft; the other end of the rotating shaft is connected with the hexagonal rotating shaft which sequentially penetrates the front end cover plate, the front end box cover, the coil spring cover plate, the sleeve and the hexagonal rotary clamping piece; the bolt fixing seat is arranged on the coil spring cover plate; the bolt fixing piece is mounted on the bolt fixing seat; the cylindrical plug-in unit is arranged between the front end cover plate and the front end box cover. According to the welding coil spring mounting tool, the torque wrench can accurately determine the pressure value of a coil spring to bring convenience for people to determine the position value of the coil spring. The welding coil spring mounting tool is simple in structure, suitable for mounting of the coil spring and convenient to use.

The invention relates to the technical field of connector socket installation, in particular to a double-floating type installation structure of a connector socket, the socket comprises a base, the base is sequentially sleeved with a sealing gasket and a cabinet panel from bottom to top, and the same installation screw is movably inserted in through holes formed in the sealing gasket and the cabinet panel. And the base, the sealing gasket, the mounting screw and the cabinet panel form a contact floating type structure. The double-floating installation type structure is composed of a contact piece floating type structure and a locking floating type structure, has the advantages of being reliable in structure, wide in application range, convenient to install and the like, solves the problems that when a welding plate type connector is locked, fixed and sealed, a printed board is damaged due to stress, the compression amount of a sealing gasket is not enough, and the sealing performance is not qualified, and improves the sealing performance. The cabinet equipment is effectively protected; the invention relates to a double-floating type mounting structure of a connector socket. The double-floating type mounting structure is suitable for mounting an intelligent distributed DTU automatic detection terminal cabinet with a complex structure.

The invention discloses a mounting and fixing device of a GIS basin-type insulator ultrahigh frequency sensor. The device comprises a fixing support and two fixing ropes, the fixing support comprisesa support body, a rope lock catch, a cover plate and a fixing bolt, the support body is of a cuboid structure, a triangular groove is formed in the middle of the upper end face of the support body, and a semicircular groove is longitudinally formed in the groove bottom of the triangular groove; the rope lock catch is embedded in the semicircular groove in a front-back moving mode. The cover plateis fixed to the upper end face of the support body through countersunk head screws. And the fixing bolt is screwed into the rope lock catch position adjusting threaded hole. The mounting and fixing device is few in parts and simple in structure, the sensor can be adjusted to be tightly attached to the surface of the GIS basin-type insulator by adjusting the position of the rope lock catch in the semicircular groove, and the measurement precision is guaranteed. The invention further discloses an extremely simple disassembling and assembling method of the GIS basin-type insulator ultrahigh frequency sensor.

The invention discloses a pair of mask frame glasses. The mask frame glasses comprise a mask body, ear ropes are fixedly connected to the left side and the right side of the mask body, a clamping mechanism is fixedly mounted at the top end of the mask body, a lower clamping plate is arranged on the clamping mechanism, a connecting rubber plate is fixedly connected to the right side of the lower clamping plate, a connecting block is fixedly connected to the center of the top end of the connecting rubber plate, an arch ring is fixedly connected to the top end of the connecting block, a connecting rod is fixedly connected to the top end of the arch ring, and an attaching strip is fixedly connected to the top end of the connecting rod. The clamping mechanism and lenses are arranged, the mask body is installed between the lower clamping plate and an upper clamping plate, eyes are protected through the lenses, the mask body can be repeatedly replaced, the clamping mechanism can be used for along time and can be suitable for installation of masks of different types, and the gravity of a mask frame to the face can be buffered through the elastic force of a spring by arranging a rubber abutting block and a connecting inner shaft.