37results about How to "Reduce assembly time" patented technology

The invention provides gear box full-automatic multi-station assembling equipment, and relates to the technical field of gear box assembling, the gear box full-automatic multi-station assembling equipment comprises a workbench, and the workbench is provided with a first disc cutting mechanism and a second disc cutting mechanism; a bearing pedestal feeding mechanism, a main shaft direction selecting mechanism, a roller feeding mechanism, a pin roller and steel ball feeding mechanism, a pin roller and steel ball detecting mechanism, an inner gear feeding mechanism, a first transmission fluted disc feeding mechanism, a first oil injection mechanism, a transmission gear feeding mechanism and a gear detecting mechanism are sequentially arranged on the periphery of the first disc dividing mechanism. The first disc cutting mechanism, the second disc cutting mechanism and a plurality of mechanisms around the first disc cutting mechanism and the second disc cutting mechanism are arranged on the workbench, all working procedures needed for gearbox assembly are highly integrated, continuous automatic operation of a series of working procedures from part feeding to assembly and detection is achieved, the assembly time is effectively shortened, the assembly efficiency is improved, and the production cost is reduced. Labor input is reduced, labor cost is reduced, and the quality of final products is effectively improved.

The invention relates to the technical field of electric energy metering boxes, and discloses an electric energy metering box with excellent heat dissipation, which comprises a box body, one side of the box body is provided with an accommodating groove capable of storing electrical elements, the box body is rotatably connected with a box door, and the top of the box body is provided with a storage box. The storage box can be filled with an organic matter phase change material prepared according to a specific formula, the solid-liquid conversion temperature range of the organic matter phase change material is close to the expected highest temperature under the normal operation condition of the metering box, and a micro-channel liquid cooling plate is arranged on the bottom wall of the containing groove; the micro-channel liquid cooling plate can be tightly attached to the electrical element. The metering box has the effect of improving the heat dissipation performance of the metering box.

The high-performance magnesium alloy building template comprises a magnesium alloy plate, an even number of preformed holes are formed in the outer surface of the magnesium alloy plate, a template frame of an integrated structure is fixed to the surface of the magnesium alloy plate, side edge grooves are formed in the upper outer wall, the left outer wall and the right outer wall of the template frame, and a plurality of bolt penetrating holes are formed in the side edge grooves. After the magnesium alloy plate is erected, under the assistance of the alignment groove blocks and the butt joint blocks in the side edge grooves in the two sides of the formwork frame, splicing of the formwork frame is completed to form a wall shape, then the fasteners can be directly moved, and the auxiliary sliding rods are matched with the sliding pieces to complete vertical displacement of the first clamping beam and the second clamping beam; according to the building template supporting frame, rapid connection with a clamping beam on a template frame is completed, then alignment penetrating holes are aligned with lock bolt holes and bolt penetrating holes to complete penetration of lock bolts, direct tightening of the clamping beam is completed, stability and fixity are further provided, meanwhile, compared with a traditional building template rear installation template supporting frame, construction steps and time efficiency can be reduced, accessories during carrying are reduced, and cost is reduced. And the operation efficiency is effectively improved.

The utility model relates to the technical field of alloy cutters, and discloses a titanium steel alloy cutter convenient to disassemble and maintain, which comprises a main body mechanism and a protection mechanism, the protection mechanism is positioned behind the main body mechanism, and the main body mechanism comprises a titanium steel alloy cutter body, a mounting handle, an electric motor and a bidirectional screw rod, the installation handle is located behind the titanium steel alloy cutter body, and the electric motor is fixedly installed at the right end of the installation handle. According to the titanium steel alloy cutter convenient to disassemble and overhaul, by installing the main body mechanism, when the titanium steel alloy cutter body is used, a worker can rapidly disassemble and assemble the titanium steel alloy cutter body through operation, the worker can conveniently overhaul and maintain the titanium steel alloy cutter body, the assembling time of the titanium steel alloy cutter body is shortened, and the working efficiency is improved. The maintenance efficiency of the titanium steel alloy cutter body is improved, meanwhile, the installation stability of the titanium steel alloy cutter body is guaranteed through an electric driving mode, and the use convenience and stability of the titanium steel alloy cutter body are improved.

This utility model discloses a novel switch structure, including a panel assembly, a PCB board, a power board, and a base assembly. The panel assembly includes an outer frame, a button assembly, and a back cover arranged sequentially from front to back. A cavity is formed on the surface of the back cover. A receiving cavity is provided inside the outer frame, and a button hole communicating with the receiving cavity is formed on the surface of the outer frame. An assembly groove is formed on the inner surface of the outer frame. The PCB board is located between the button assembly and the back cover assembly, and at least one button is provided on the PCB board. The button assembly includes a button plate and a button glass. The button plate has button areas corresponding to each button, and the button plate is connected to the outer frame via the assembly groove. The button areas protrude from the button plate. The button glass is disposed within the button hole and is fixedly connected to the button area. The button hole and button glass are arranged in a one-to-one correspondence. After the back cover is connected to the outer frame via a locking member, the PCB board and the button assembly are fixed within the receiving cavity. This utility model features high assembly precision, low cost, and multiple control functions.

The utility model relates to the technical field of chip sequencing, and discloses a chip bearing device and sequencing equipment, the chip bearing device comprises a pedestal, the lower side of the pedestal is provided with a mounting groove, and the groove bottom of the mounting groove is provided with a communication groove penetrating through the pedestal along the longitudinal direction; the chip table is detachably connected to the upper side of the table base; the semiconductor chilling plate is located in the communicating groove and attached to the bottom wall of the chip table; the heat dissipation assembly is located on the lower side of the semiconductor chilling plate; and the elastic piece is arranged between the heat dissipation assembly and the bottom plate and is suitable for tightly pressing the semiconductor chilling plate towards the direction of the chip table. According to the utility model, the problem that the sequencing result is influenced due to deformation caused by non-uniform temperature at the chip table is solved.

The utility model relates to the technical field of automobile lamps, and discloses a low-beam lens module. The low-beam lens module comprises a lens support assembly which comprises a lens support and a light type baffle which are integrated; the outer lens is arranged on the lens bracket, and the outer lens is positioned on one side of the light type baffle plate in the first direction; the inner lens is arranged on the lens support and located on the other side, in the first direction, of the light type baffle; the light-emitting assembly is arranged on the side, away from the light type baffle, of the inner lens in the first direction, and light output by the light-emitting assembly can sequentially pass through the inner lens and the light type baffle and is emitted out of the outer lens. According to the technical scheme, the installation steps of the low-beam lens module are simplified, in the assembly process, parts do not have the overturning process, automatic installation is facilitated, and the assembly efficiency is improved.

The utility model discloses a new energy heavy truck chassis and a vehicle, and relates to the technical field of vehicles. The new energy heavy truck chassis comprises a frame, a cabin frame, an energy storage module and a driving system, the cabin frame, the energy storage module and the driving system are arranged on the frame and are sequentially arranged in the direction from a truck head to a truck tail, and the energy storage module comprises a battery frame, a first battery layer and a second battery layer, the first battery layer is located above the second battery layer, the first battery layer comprises a plurality of longitudinal battery blocks, the second battery layer comprises a plurality of transverse battery blocks, the longitudinal battery blocks extend in the direction from the vehicle head to the vehicle tail, and the first battery layer and the vehicle frame are located on the same level. The loading electric quantity can be improved, the whole vehicle layout is optimized, and the assembling efficiency is improved.

The application provides a gear box full-automatic multi-station assembling equipment, and relates to the technical field of gear box assembling. The gear box full-automatic multi-station assembling equipment comprises a workbench, a first disc dividing mechanism and a second disc dividing mechanism are arranged on the workbench, bearing seat feeding mechanisms, main shaft selecting mechanisms, roller feeding mechanisms, roller and steel ball feeding mechanisms, roller and steel ball detecting mechanisms, inner gear feeding mechanisms, first transmission gear disc feeding mechanisms, first oil injection mechanisms, transmission gear feeding mechanisms and gear detecting mechanisms are sequentially arranged around the first disc dividing mechanism, a plurality of mechanisms around the first disc dividing mechanism and the second disc dividing mechanism are arranged on the workbench, each process required for assembling the gear box is highly integrated, continuous automatic operation of a series of processes from part feeding to assembling, detecting and the like is realized, the assembling time is effectively shortened, the assembling efficiency is improved, the labor input is reduced, the labor cost is reduced, and the quality of the final product is effectively improved.

The invention discloses a preparation method of a polyurethane gel product with a rapid shaping characteristic. The method comprises the following steps: firstly, synthesizing a special polyol monomer with the primary hydroxyl group content of 70-85% through a specific process, and then respectively preparing soft inner gel component prepolymers A and B and hard outer gel component prepolymers C and D; the method is characterized in that a combined pouring and stepped curing process is adopted, specifically, prepolymers A and B are mixed and then injected into a mold to be subjected to preliminary chemical curing to form an inner gel layer, then a mixture of prepolymers C and D containing photoinitiators is poured on the surface of the inner gel layer, ultraviolet irradiation is conducted immediately to achieve surface photocuring, and finally the product is obtained through overall thermocuring. According to the method, through molecular design, prepolymer synergy and process optimization, the technical problem that high elasticity and rapid forming are difficult to consider at the same time is solved, and the prepared gel product has the comprehensive advantages of being low in hardness, high in rebound rate, small in permanent deformation, high in interlayer binding force, short in forming period and the like.

The telemetering monitor comprises a complete machine shell, a main control board, a parameter board and an interface board, the main control board, the parameter board and the interface board are contained in the complete machine shell, the main control board is electrically connected with the parameter board, and the parameter board is electrically connected with the interface board; a power supply control circuit electrically connected with the battery is integrated on the interface board; a first single-chip microcomputer minimum system circuit electrically connected with the power supply control circuit is integrated on the main control board, a second single-chip microcomputer minimum system circuit electrically connected with the power supply control circuit is integrated on the parameter board, and power supply of all circuits in the main control board is controlled by the first single-chip microcomputer minimum system circuit. The power supply of each circuit on the parameter board and the interface board is controlled by the second single-chip microcomputer minimum system circuit. The circuits on the main control board, the parameter board and the interface board are independently controlled by adopting two single-chip microcomputer minimum system circuits, the starting of the circuits with response functions can be controlled according to use requirements, the control on a power supply is finer, the power consumption is favorably reduced, and the cruising ability of the telemetering monitor is improved.

The utility model discloses a shuttle skin feeding mechanism which comprises a mounting seat, a feeding seat is rotatably connected to the mounting seat, a driving motor is fixedly mounted on the mounting seat, an output shaft of the driving motor is in transmission connection with the feeding seat through bevel gears, storage cylinders which are evenly distributed are fixedly connected to the top of the feeding seat, and the storage cylinders are fixedly connected to the bottom of the mounting seat. The bottom end of the storage barrel penetrates through and extends to the bottom of the feeding base, and a shuttle skin guide shaft is fixedly connected to the inner wall of the storage barrel. According to the shuttle leather feeding mechanism, multiple sets of shuttle leather are stacked through the storage barrel and the rotating feeding base, the feeding mechanism can bear the multiple sets of shuttle leather at the same time, the number of assembling times of workers is reduced, the number of operation steps of the workers is reduced, and feeding of the shuttle leather can be achieved through the two pneumatic suction cups capable of vertically and rotationally moving; and meanwhile, the two sets of pneumatic suction cups can complete material taking and feeding at the same time in the rotation process, the time needed for material taking again is shortened, and then the machining efficiency can be improved.

This utility model discloses a wire harness sealing structure and an electric heater. The wire harness sealing structure includes a base, an elastic sealing plug, and an extruder. The base has an installation cavity, and the elastic sealing plug is installed in the installation cavity. By fitting against the side wall of the installation cavity, the gap between the elastic sealing plug and the base is sealed. The elastic sealing plug has a wire passage hole that passes through the elastic sealing plug. The wire harness can pass through the wire passage hole and exit the electric heater. The extruder compresses the elastic sealing plug, causing it to contract. The extruder compresses the elastic sealing plug, allowing the inner wall of the wire passage hole to fit well with the wire harness, effectively eliminating the gap between the wire harness and the wire passage hole. This effectively seals the gap between the wire harness and the inner wall of the wire passage hole without the need for adhesive application.

The invention is suitable for the technical field of pile breaking, and provides a rapid pile head breaking device suitable for short-distance cast-in-place piles, the rapid pile head breaking device comprises a first connecting piece and a second connecting piece, one side of the first connecting piece is fixedly connected with a mounting block, and a connecting groove is formed in the side, away from the mounting block, of the first connecting piece; according to the rapid pile head breaking and removing device suitable for the short-distance cast-in-place piles, after the inner diameters of the first connecting pieces and the second connecting pieces are adjusted to be within the diameter range corresponding to the pile type, the inner diameter of the first connecting pieces and the inner diameter of the second connecting pieces are adjusted to be within the diameter range corresponding to the pile type, and therefore the pile head breaking and removing device is suitable for the short-distance cast-in-place piles. The hydraulic oil cylinders and the drill bits on the first connecting piece and the second connecting piece are used for crushing the pile body, and the pile body is sleeved with the pile body for hydraulic crushing after being evenly arranged into a circle, so that the crushing speed of the pile body is increased to a certain degree, and workers can use the device more conveniently.

The utility model relates to a connection box, which comprises a box body, and an adapter main body is integrally formed on the box body; the connector joint is arranged in the adapter main body, and a ceramic sleeve and an insertion core assembled at one end of the ceramic sleeve are arranged in the connector joint. The adapter main body is integrally formed on the box body, so that the steps of assembling the adapter main body and the box body can be reduced, the assembling cost is reduced, the assembling frequency is reduced, the adapter main body integrally formed on the box body is not easy to fall off from the box body, and the reliability of the product is improved; the connector joint arranged in the adapter main body, the ceramic sleeve and the insertion core can realize the butt joint of the adapter and the connector, and the technical problems of high assembly cost and easy falling of the adapter in a manner of separately producing and then assembling the adapter and the connection box in the prior art are solved.

The camera lens switching device comprises a lens body, a connecting frame, a lens cover and a switching ring, the lens cover and the connecting ring are assembled into a whole through the connecting frame, a first connecting ring and a second connecting ring are arranged at the two ends of the switching ring respectively, a first external thread is arranged on the outer wall of the first connecting ring, and a second external thread is arranged on the outer wall of the second connecting ring. First internal threads matched with the first external threads are arranged on the inner ring of a camera shooting opening of the lens body, the first connecting ring is connected with the lens body in a rotating mode, clamping blocks are distributed on the outer wall of the second connecting ring, limiting blocks are distributed on a connecting opening in the inner end of the connecting frame, and grooves are formed between the limiting blocks. The clamping block penetrates through the groove to be rotationally clamped into the inner end of the limiting block, the inner wall of the second connecting ring is provided with a second internal thread identical to the first internal thread, other camera shooting accessories can be conveniently assembled on the camera, it can be better guaranteed that the camera is not prone to being abraded or damaged, and the service life of the camera is prolonged.

The utility model discloses a pneumatic debugging clamp tool which comprises a bottom plate, a waveguide adapter, a pressing plate, an air cylinder and an electromagnetic valve. The top surface of the bottom plate is provided with a product groove for placing a to-be-tested product, the peripheral side of the bottom plate is provided with a waveguide adapter groove for installing the waveguide adapter, and the top of the waveguide adapter is provided with a waveguide port for testing the to-be-tested product; the pressing plate is arranged above the bottom plate, the near end of the pressing plate is connected with the cylinder, the far end is in contact with a to-be-tested product, and the electromagnetic valve is connected with the cylinder and used for driving the cylinder to act; when the waveguide adapter is installed in the waveguide adapter groove, the electromagnetic valve moves upwards, the air cylinder drives the pressing plate to press downwards, and the to-be-tested product is tightly pressed in the product groove and makes contact with the waveguide opening for testing. According to the utility model, the to-be-tested product can be fixed, and the assembly time is saved.

The invention discloses a cover body assembly and a water heater, and relates to the technical field of water heating equipment. The cover body assembly comprises a first cover body and a second cover body, by arranging a positioning piece and a positioning hole, when the first cover body and the second cover body are assembled, the positioning piece at one end of the second cover body is inserted into the positioning hole for pre-positioning, so that a first guide surface of the positioning piece is in guide fit with a guide rib; and the relative position of the first cover body and the second cover body can be quickly determined. And then the other end of the second cover body is rotated in the direction close to the first cover body, so that the first clamping structure and the second clamping structure are clamped conveniently, and the first cover body and the second cover body are fixedly connected. By adopting the scheme, the relative positions of the first cover body and the second cover body can be quickly determined in a manner of pre-positioning and then clamping, the assembly process is simple and convenient, the assembly time can be shortened, and the assembly efficiency can be improved.

The utility model relates to the technical field of LED display screens, and discloses an LED outdoor full-color display screen which comprises a main body mechanism, an auxiliary mechanism and a dismounting mechanism, the auxiliary mechanism is located above the main body mechanism, and the dismounting mechanism is located on the left side of the main body mechanism. The main body mechanism comprises an LED full-color display screen body, an assembly shell, a placement groove and a self-maintenance assembly, the assembly shell is located at the outer end of the LED full-color display screen body, and the placement groove is fixedly formed in the right end of the front end of the assembly shell. According to the LED outdoor full-color display screen, by installing the main body mechanism, when the LED full-color display screen body is used, a dust removal brush can be automatically driven to move up and down according to use requirements, dust and sundries attached to the surface of the LED full-color display screen body are cleaned, and the situation that the visibility of the LED full-color display screen body is affected by dust accumulation is avoided; and the inconvenience caused by traditional manual cleaning is solved, and the automation and protection performance of the LED full-color display screen body are improved.

The vehicle door hinge comprises a vehicle body installation part, a vehicle door installation part and a connecting rod assembly, the two ends of the connecting rod assembly are rotationally connected to the vehicle body installation part and the vehicle door installation part respectively, and the connecting rod assembly, the vehicle body installation part and the vehicle door installation part form a four-connecting-rod structure; the vehicle door mounting part is used for being connected with a vehicle door, the vehicle body mounting part is used for being connected with a vehicle body, and the vehicle door is laterally switched between an opening position and a closing position; the automobile door hinge further comprises a limiting structure, the limiting structure comprises a first buffering limiting block, the first buffering limiting block is arranged on the automobile door installation piece, the connecting rod assembly comprises a first connecting rod, and when the automobile door is in the closing position, the first connecting rod abuts against the first buffering limiting block. In the embodiment of the utility model, the first buffer limiting block is integrated on the vehicle door hinge, so that a limiting structure does not need to be mounted independently, the space occupied by an existing limiter is saved, and the assembly time of the vehicle door hinge and the limiting structure is shortened.

The invention discloses a waterproof, termite-proof, rat-proof, ultraviolet-proof and anti-interference 110KV cross-linked polyethylene insulated power cable, and relates to the technical field of power cables, the power cable comprises two unwinding device bodies, the unwinding device bodies comprise moving devices, and the moving devices are arranged on the unwinding device bodies. The two unwinding devices are moved to the two sides of the unwinding disc through the moving devices corresponding to the unwinding devices correspondingly, the two positioning devices are controlled to complete assembling work of the unwinding disc for the cable body needing to be unwound, connection and fixation of the positioning devices and the unwinding disc are completed, and simplicity, convenience and rapidness are achieved. The unwinding disc is installed and fixed in the unwinding device without manual work or hoisting equipment, the unwinding efficiency of the cable is improved, the universal wheels of the moving device are folded for protection through the adjusting device, supporting and positioning of the unwinding device at the unwinding position are completed through the supporting bases installed on the two sides of the bottom face of the fixing base, and the unwinding efficiency is improved. The stability of the movable unwinding device is improved, and meanwhile the service life of the universal wheels is prolonged.

The utility model discloses a temperature sensor installation structure and an air conditioner, relates to the technical field of air conditioners, the temperature sensor installation structure comprises a panel and an installation rack, the installation rack is arranged on the panel, the installation rack is provided with an installation cavity and an installation port communicated with the installation cavity, and the installation port is communicated with the installation cavity. A temperature sensor is inserted into the mounting cavity from the mounting opening, so that the temperature sensor is mounted in the mounting cavity; according to the technical scheme provided by the utility model, the assembly efficiency of the temperature sensor can be improved.

The telemetering monitor comprises a complete machine shell internally provided with a containing cavity and a circuit board assembly contained in the containing cavity, the circuit board assembly comprises a main control board, a wireless communication board and a parameter board which are arranged in the containing cavity in a stacked mode, and one side edge of the parameter board is electrically connected with a first flexible flat cable; the main control board is electrically connected with the wireless communication board through the first electric connector, and the first flexible flat cable is bent towards the side, back on to the parameter board, of the wireless communication board and then is electrically connected with the wireless communication board through the second electric connector. According to the design, after the main control board, the wireless communication board and the parameter board are stacked, the overall height is small, the structural compactness is high, the flat design of the whole machine shell can be achieved, more types of parameter measurement circuits can be integrated on the parameter board, more types of wireless communication modules can be integrated on the wireless communication board, and the whole machine shell is convenient to use. And under the condition that the size of the whole machine shell is not increased, the diversification of integrated functions of the telemetering monitor can be realized.

The present application relates to a kind of single-sided tab soft package battery module in the field of battery module, comprising: support, support is used to embedded installation battery, the edge of support is equipped with multiple transverse through holes;Connecting rod, connecting rod is used to be inserted into through hole let multiple supports be sequentially arranged along horizontal direction, the both ends of each connecting rod are equipped with screw thread and are installed with nut;Fixed plate, for the stabilization of support, fixed plate is equipped with multiple gaps at intervals;Connecting pole, two connecting poles are fixedly installed at the both ends of fixed plate respectively;Conductive sheet, conductive sheet is equipped with multiple, and conductive sheet is uniformly fixedly installed on fixed plate, and multiple conductive sheets are located between two connecting poles;Baffle, baffle is equipped with two, and two baffles are also equipped with multiple transverse through holes, and two baffles are used to be installed at the both ends of multiple arranged supports.This scheme has solved the problem of low production efficiency caused by the complicated group process of traditional battery and long time of manual assembly.

The optical fiber adapter comprises a combination body, an LC dustproof cap, an SC dustproof cap and a ceramic tube, one end of the combination body is provided with an LC cavity, the other end of the combination body is provided with an SC cavity, the bottom surface of the LC cavity is provided with an LC sleeve, the LC sleeve is communicated with the SC cavity, one end of the LC dustproof cap is sleeved on the peripheral wall of the LC sleeve, one end of the SC dustproof cap is inserted into the SC cavity, and the other end of the SC dustproof cap is connected with the ceramic tube. The end, close to the LC cavity, of the SC dustproof cap is connected with a clamping base in a clamped mode, positioning blocks are arranged on the two sides of the clamping base, the clamping base is fixed to the inner wall of the SC cavity through the positioning blocks, an SC sleeve is arranged at the position, corresponding to the LC sleeve, of the clamping base, the SC sleeve is inserted into the SC dustproof cap, one end of the ceramic tube is inserted into the SC sleeve, and the other end of the ceramic tube is inserted into the LC sleeve. According to the optical fiber adapter provided by the utility model, welding and rivet crimping are not needed in product assembly, the product assembly process is simplified, the product assembly time is shortened, the product production efficiency is improved, and the product appearance is improved.

The utility model relates to the technical field of automobile seat backrest frameworks, in particular to an automobile back row seat backrest framework structure which comprises two frameworks and further comprises a mounting assembly, a connecting assembly and a fixing assembly. The mounting assembly comprises four mounting plates and two mounting seats, the four mounting plates are fixedly connected with the framework and located on the two sides of the framework respectively, the two mounting seats are rotationally connected with the mounting plates respectively and located on the outer sides of the mounting plates respectively, and the connecting assembly and the fixing assembly are connected with the framework respectively. The problems that when the automobile back row seat backrest framework is installed, assembly is complex, production efficiency is reduced, and production cost is increased are solved.

The utility model relates to the technical field of air conditioner accessories, and discloses a liquid storage device which comprises a main body mechanism and a buffer protection mechanism, the buffer protection mechanism is located above the main body mechanism, the main body mechanism comprises a liquid storage device body and a first installation frame, and the first installation frame is located on the left side of the liquid storage device body. And the main body mechanism further comprises a second mounting frame, a telescopic buckle and a mounting plate, the second mounting frame is located on the right side of the liquid storage device body, and the second mounting frame and the first mounting frame are the same in structure. According to the liquid storage device, by installing the main body mechanism, when the liquid storage device body is used, a worker can rapidly disassemble and assemble the first installing frame and the second installing frame through operation, the worker can conveniently conduct overhaul and maintenance operation on the liquid storage device body, the assembling time of the liquid storage device body is shortened, and the working efficiency is improved. The maintenance efficiency of the liquid storage device body is improved, auxiliary disassembly and assembly of other tools are not needed, and the use convenience of the liquid storage device body is improved.

The utility model discloses a filter which comprises a first lens frame, a first lens and a first pressing ring, the first lens is arranged on the first lens frame, the first pressing ring is detachably arranged on the first lens frame, and the first lens is fixed through the cooperation of the first lens frame and the first pressing ring; the first glasses frame comprises a frame body and a clamping assembly, and the clamping assembly is arranged on the frame body in a sliding mode and exposed out of the frame body. The utility model also discloses a filter system. When a plurality of filters need to be connected, the clamping assembly can be pressed down, the clamping assembly is loosened after the filters are installed at the designated positions, the filters can be connected through the clamping assembly, and when the filters need to be disassembled, the filters can be taken out only by pressing down the clamping assembly. Therefore, not only is the assembling operation between the filters simplified, but also the time consumed for assembling is greatly shortened, and further the assembling efficiency and the shooting efficiency are improved.

This invention provides a photoelectric sensor comprising a transmitter and a receiver. Both the transmitter and receiver include: a housing; a circuit board disposed inside the housing; and a cable electrically connected to the circuit board. The cable in the receiver is a four-core cable, one of which has a signal input core for switching between normally open and normally closed modes. This photoelectric sensor allows for rapid L / D switching by inputting a control signal through the four-core cable with the signal input core. It eliminates the need for adjustment knobs, sealing rings, rotary switches, and small substrates required for L / D switching in the original three-core cable configuration, effectively simplifying the sensor structure, reducing production costs and assembly time, and simultaneously improving the automation level of the photoelectric sensor.