699 results about "Interlock" patented technology

The invention relates to the technical field of fiber laser rapid interlocking protection scheme design, in particular to a fiber laser rapid interlocking protection circuit, and aims to solve the problems of long protection delay and low reliability of an MOPA structure laser in an abnormal state. The circuit comprises an interlocking protection bus, an interlocking control circuit and a multi-stage interlocking switch circuit. When an abnormity occurs, the interlocking control circuit detects a signal and triggers the switch circuit to quickly respond through bus level change: the main amplification stage LD is immediately turned off by the main amplification interlocking switch circuit, and the pre-amplification stage LD is sequentially turned off after the pre-amplification interlocking switch circuit delays. Therefore, sub-millisecond protection is realized, the working time sequence of the laser is strictly followed, and damage expansion is avoided. The circuit is integrated in the laser without depending on an external system, so that the reliability is improved and the structure is simplified. The method is suitable for various fiber lasers, and effectively prevents burning failure.

The present disclosure relates to a circuit breaker having an energy releasing mechanism of an opening / closing mechanism part, and a circuit breaker according to an embodiment of the present invention comprises: an input latch locking device rotatably formed to restrict or release an input latch according to rotating angles thereof; an interlock movement rail which is installed on a cradle and in which an inspection position, a preparation position, and a driving position are configured; an interlock member for operating at least one among the input latch and a trip latch in a section excluding the inspection position, the preparation position, and the driving position while vertically moving in association with a relative movement of the interlock movement rail; and at least one link member connected between the interlock member and the input latch locking device and switching a linear movement in a vertical direction of the interlock member to a rotation movement, thereby rotating the input latch locking device.

A fluid connector includes a shell having a fluid channel, a valve member rotatably accommodated in the fluid channel and having a through hole, a control element connected to the valve member for controlling the valve member to rotate between a closed position and an open position, and an interlock system. The shell has an interface to abut a mating connector and an accommodating hole concavely formed from the interface. The interlock system includes two pins coaxially accommodated in the accommodating hole and a resilient system. The control element is operatively connected to the interlock system via a restricting member and an operating member.

The invention discloses a double-interlocking logic AB type lock hook for a safety belt and a lock hook interlocking system, and relates to the technical field of high-altitude operation safety protection, the lock hook comprises a lock hook controller, the lock hook controller is in communication connection with the following modules: a state sensing module, which is used for monitoring the locking state of a main lock and an auxiliary lock of the AB type lock hook in real time, lock body state information is provided for a lock hook controller; and the control logic module is used for dynamically controlling unlocking and locking permissions of the main lock and the auxiliary lock according to the lock body state information of the state sensing module. According to the invention, a forced alternate locking mechanism is constructed, only the main lock is authorized to be unlocked during initialization, the authority of the auxiliary lock can be activated after the main lock is locked, and the authority chain is automatically reset after the auxiliary lock is locked, so that at least one lock body is always in a locked state in the climbing and hooking process; the risk of hanging in air caused by illegal operation or misjudgment of operators is effectively prevented, and the safety of high-altitude operation is fundamentally improved.

The utility model discloses a mechanical lock interlocking system for a grounding switch of a gas insulated switchgear, which belongs to the technical field of insulated switches and comprises a circuit breaker operating mechanism and a three-position operating mechanism which are mounted in a mechanism compartment. The grounding interlocking device is arranged between the low-voltage compartment and the high-voltage compartment in a penetrating manner below the mechanism compartment; wherein the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are sequentially distributed from top to bottom, and every two of the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are mechanically linked; the circuit breaker operating mechanism and the three-station operating mechanism are respectively connected with the circuit breaker and the three-station isolating switch in the inflatable compartment; a rear lower door plate is installed behind the high-voltage compartment cabinet, and the grounding interlocking device is connected with the rear lower door plate. Operation and maintenance personnel must operate in sequence when wanting to open the rear lower door plate of the high-voltage compartment; by adopting the mechanical interlocking, programmed step operation of an operator can be ensured, the reliability is higher, and the personal safety of the operation and maintenance personnel can be further ensured.

The invention discloses an on-site mixed loading explosive truck hole searching and accurate hole aligning method which comprises the following steps: acquiring a design coordinate set of each blast hole in a to-be-loaded area, acquiring a tail end coordinate of the tail end of a mechanical arm under a geographic coordinate system, and establishing a mechanical arm base coordinate system by taking a base coordinate as an original point; the joint angle and the expansion and contraction amount of the mechanical arm are obtained through iterative inverse kinematics with constraints; controlling the mechanical arm to carry out coarse alignment iteration until the coarse deviation is smaller than a first threshold value; obtaining a fine positioning result of the hole center and the hole axis direction; calculating the fine deviation of the tail end hole aligning assembly relative to the hole center and the hole shaft; after a hole alignment completion signal is output, triggering insertion of a charging conduit and checking of a charging interlocking condition; and when the interlocking condition is met, the charging operation is executed. The GNSS RTK, the laser radar and the 3D structured light camera are fused, quick positioning and alignment of the blast hole are achieved, and the charging efficiency and safety are greatly improved.

The invention discloses a car coupler state detection and execution control circuit and a car coupler automatic picking and hanging system and method, and relates to the technical field of railway vehicle automation control, and the car coupler state detection and execution control circuit comprises a state detection unit which comprises a plurality of non-contact sensors arranged at different detection positions of a car coupler; the safety execution unit comprises a 2oo2 interlocking structure formed by a first relay and a second relay which are connected in series, a through-type Hall current sensor arranged on a main loop between the first relay and the second relay, and a third relay for controlling the extension and retraction directions of an electric push rod; the power supply management unit comprises a 24VDC power supply input terminal, a fuse, a reverse connection protection diode and a surge suppression TVS (Transient Voltage Suppressor) tube; wherein the output end of the state detection unit is connected to the input port of the controller, and the output port of the controller is connected to the control end of the safety execution unit. The safety of the system is improved through a hardware-level redundant architecture, and the reliability of coupler state detection is improved through multi-sensor fusion.

The invention relates to the technical field of electric switches, in particular to an electric disconnecting switch interlocked with a pole-mounted circuit breaker and a control method thereof, and the method comprises the steps: obtaining standard coil current data, actual coil current data, main loop three-phase current data, power side voltage data and load side voltage data, and carrying out the preprocessing; determining time division points by using the wave crest and wave trough distribution characteristics so as to divide stage intervals; the health coefficient of the pole-mounted circuit breaker is obtained through stage interval similarity analysis; calculating an electrical isolation coefficient by combining the main loop current level difference and the bilateral voltage amplitude phase difference; and performing hierarchical interlocking control on the electric isolation switch based on the health coefficient and the electrical isolation coefficient. According to the invention, a two-dimensional evaluation system of mechanism health pre-judgment and electrical isolation hard criteria is constructed through multi-source data fusion, and the safety and reliability of distribution network operation are improved through a hierarchical interlocking control strategy.

The invention relates to the technical field of low-voltage switch cabinets, in particular to an interlocking mechanism, a hand-cranking movable plug-in type assembly and a hand-cranking movable plug-in type unit. The interlocking mechanism comprises a position interlocking mechanism and a closing interlocking mechanism; the rear end of a transition connecting rod of the closing interlocking mechanism is in linkage fit with a position locking plate through a linkage structure, and an interlocking part is arranged on a closing interlocking plate and used for being matched with the front end of the transition connecting rod to achieve closing interlocking. A plugging assembly rack of the hand-cranking movable plugging assembly is located behind the closing interlocking mechanism, and the rear end of the closing interlocking support is installed at the front end of an assembly rack bottom plate of the plugging assembly rack. The beneficial effects are that the closing interlocking mechanism and the position interlocking mechanism can be arranged front and back; the hand-cranking movable plug-in type unit can be maintained without power failure, the depth of a unit chamber can be 300mm, the depth of a plug-in assembly rack can be 200mm, and the hand-cranking movable plug-in type unit has the functions of isolation-connection position positioning, hand-cranking propelling mechanism locking, circuit breaker switching-on locking and circuit breaker switching-off unlocking.

The application discloses a replacement joint with bidirectional interlocking, which comprises a joint body, a plurality of protrusions arranged on the jointing end of the joint body, and a plurality of recesses. When two replacement joints are jointed together, the protrusions of the opposite replacement joint are rotated and pushed to the slope, the slope is rotated and moved upward, the protrusions are also rotated and moved upward to the inclined rail, and the locking hook is rotated and moved downward. At this time, the locking hook does not interfere with the circumferential rotation track of the protrusions of the opposite joint, and the two replacement joints can also be twisted and loosened in the circumferential direction. When the valve core is driven to rotate and open by the handle, the driving protrusion is moved upward and rotated into the straight rail through the inclined rail, the locking hook hooks the opposite protrusion to limit the circumferential rotation of the opposite replacement joint, the movable locking buckle is circumferentially engaged with the protrusions of the opposite replacement joint, the circumferential rotation freedom of the replacement joint is effectively limited, and the two replacement joints are prevented from loosening.

A multi-directional input device includes a housing, a control member to be tilted, a first interlock member having a first shaft support portion supported by the housing turnably about a first turn axis and is turned with a tilting operation of the control member, a second interlock member having a second shaft support portion supported by the housing turnably about a second turn axis intersecting the first turn axis and is turned with a tilting operation of the control member, a first urging member to urge the control member to push the first shaft support portion against the housing and provide a return force for returning the control member to a neutral position, a second urging member to urge the second interlock member to push the second shaft support portion against the housing, and a turn detector to detect a turn of each of the first and second interlock members.

The invention belongs to the technical field of ring main unit equipment, and discloses a compact modular ring main unit with a cable testing function and an interlocking function. The ring main unit comprises a cable chamber and a gas box core unit fixed on the cable chamber, the front part of the gas box core unit is provided with a mechanism chamber, and the top of the mechanism chamber is provided with a control box chamber with a special-shaped design; a left load switch mechanism cover plate, a left detection facility cover plate, a circuit breaker switch mechanism cover plate, a right load switch mechanism cover plate and a right detection facility cover plate are installed right in front of the mechanism chamber. Mechanical interlocks are respectively arranged between the left detection facility cover plate and the grounding mechanism and between the right detection facility cover plate and the grounding mechanism; and manually operated interlocking devices are arranged between the left load switch mechanism cover plate and the left detection facility cover plate and between the right load switch mechanism cover plate and the right detection facility cover plate. According to the invention, the ring main unit product has modular and standardized design.

The invention relates to the technical field of communication, and provides an interlocking system testing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining an equipment configuration file used for describing the equipment information of a tested interlocking system; performing analysis and information extraction on the equipment configuration file to obtain equipment configuration information; obtaining a test instruction containing a message type and message dynamic data, and generating a test message conforming to a preset communication protocol according to the equipment configuration information and the test instruction; and sending the test message to the tested interlocking system. According to the method and the device, the automation of the whole process from analyzing the equipment configuration file to automatically generating and sending the test message is realized, the test complexity and difficulty are reduced, errors possibly introduced by manual operation are avoided, and the test efficiency of the interlocking system is improved.

A desk system has an operational configuration and a compact, storage / shipping configuration. The desk system comprises a platform that has leg engagement portion connected to an engagement surface of the platform. Each of at least two leg assemblies having platform engagement portions at their respective upper ends. The leg engagement portion and the platform engagement portions each having flanges shaped such that the flanges on the platform engagement portions can be installed in an unlocked position with the flanges of the leg engagement portion disengaged and moved to a locked position in which the flanges of the leg engagement portion engaged with the flanges of the platform engagement portions to form the interlock connections therebetween to secure the legs to the platform.

The utility model discloses a locking mechanism for a meat grinder, which comprises a machine head, a machine body, a locking component and a handle, and the machine head is provided with a first inserting part; the machine body is provided with a second inserting part, and the machine head is installed on the machine body through inserting connection of the first inserting part and the second inserting part. One of the first inserting part and the second inserting part is an inserting block, and the other one of the first inserting part and the second inserting part is an inserting groove; the locking assembly comprises a first locking piece arranged on the machine head and a second locking piece arranged on the machine body. When the handle is pulled, the first locking piece and the second locking piece can be driven to be mutually locked or unlocked. Therefore, the first locking piece and the second locking piece can be driven to be mutually locked or unlocked by pulling the handle, the operation is simple and convenient, the stable connection between the machine head and the machine body is ensured, the problem that the machine head and the machine body are loosened or separated during working is avoided, the use safety and stability of the meat grinder are improved, the accident risk is reduced, and the safety of the meat grinder is improved. And the use safety of the user is ensured.

The utility model relates to the technical field of high-voltage switch cabinets, and discloses a high-voltage switch cabinet with a five-prevention interlocking function, which comprises a switch cabinet main body, a control switch, a sealing protection assembly, a fixing assembly and a protection cover. According to the utility model, the sealing protection assembly and the fixing assembly are arranged, the sealing protection assembly can protect the control switch arranged outside the switch cabinet main body, dust in the air can be isolated from the control switch, and when the sealing protection assembly is started to operate the control switch, the dust in the air can be prevented from being separated from the control switch. The sealing protection assembly can be quickly unlocked by shifting the fixing assembly, the sealing protection assembly can be quickly rotated and bounced off by itself, and the operation steps needed by operators are reduced.

The utility model discloses an underground pipe network measuring device, which relates to the technical field of pipeline measurement and comprises a shell, a fixing box is arranged on the outer side of the shell, a connecting shaft is arranged on the surface of the shell and penetrates through the fixing box, and a worm gear is arranged at the outer end of the connecting shaft and located in the fixing box. The surface of the connecting shaft is connected with the side wall of the fixing box through a bearing, a worm is arranged at the position, above the worm gear, in the fixing box, one end of the worm is rotationally connected with the side wall of the fixing box, the other end of the worm is fixedly connected with the output end of a first motor on the inner wall of the fixing box, the worm is meshed with the worm gear, and a movable groove is formed in one side of the shell. A moving mechanism is arranged in the movable groove, the first motor can drive the worm to rotate, the worm and the worm gear are meshed with each other, so that the worm gear is driven to rotate, the shell rotates synchronously, it is prevented that sundries exist on the inner wall of a pipe network affect measurement, and the length is adjusted through the moving mechanism, so that measurement work is conveniently conducted.

The utility model discloses a novel mechanical snap ring type air door interlocking device which comprises a first air door, a second air door, connecting baffles and an air door interlocking mechanism, and the connecting baffles are installed on the first air door and the second air door respectively. Door frames of the first air door and the second air door are each provided with one air door interlocking mechanism, and the air door interlocking mechanism at the position of the first air door is connected with the second air door through an interlocking rope and a telescopic spring; and the air door interlocking mechanism at the second air door is connected with the first air door through another interlocking rope and a telescopic spring. When one air door is opened, the other air door is completely in a locked state and cannot be opened, so that the air flow of a roadway is isolated or the air quantity passing through the roadway is limited.

The utility model discloses a cofferdam device for water conservancy construction, which relates to the technical field of water conservancy construction and comprises two first baffles and second baffles arranged on the two sides of the two first baffles, positioning pins are symmetrically arranged on the two sides of the first baffles, one side of each second baffle is provided with a positioning groove clamped with the corresponding positioning pin, and the positioning grooves are matched with the positioning pins. Reinforcing mechanisms are arranged on the inner sides of the first baffle and the second baffle and comprise reinforcing frames installed on the inner sides of the first baffle and the second baffle, reinforcing frames are arranged on the inner sides of the reinforcing frames, and stabilizing rods are symmetrically arranged on the lower surfaces of the first baffle and the second baffle correspondingly. And positioning holes are symmetrically formed in the upper surfaces of the first baffle and the second baffle. Connection between the first baffle and the second baffle can be reinforced through the reinforcing frame in the reinforcing mechanism, the strength between the first baffle and the second baffle can be improved through the reinforcing frame, and the service life of the first baffle and the service life of the second baffle are prolonged.

The utility model relates to a kind of anti-falling fire-fighting lance joint, belong to fire-fighting equipment technical field;Including ratchet lock ring, bidirectional elastic pusher and unlocking slider, when the water hose connecting end is inserted into the lance connecting end, rotate ratchet lock ring to make the end of bidirectional elastic pusher be inserted into ratchet pawl ring tooth slot, form mechanical interlock;When unlocking, one-hand presses unlocking slider, its inside wedge push rod extrudes pusher root, forces pusher elastic deformation to separate tooth slot, ratchet lock ring can be freely rotated to realize separation at this time;When water pressure is greater than 0.5MPa, conical sealing ring expands radially and enhances sealing, leakage rate is less than 0.1L / min;Protective flange covers 80% exposed part of ratchet lock ring, and 15J impact resistance is impacted, suitable for fire-fighting water hose quick connection, solve the industry pain point of traditional joint operation slow, easy to fall off, high risk of accidental touch.

The utility model provides a kind of solid raw material dewatering equipment for three-proofing glue production, belong to the technical field of glue production, including bearing mechanism, including adsorption tower, fixed installation in the top of adsorption tower pipe body and the sealing cover of movable installation in the top of pipe body;Mounting mechanism, including ring sleeve.The utility model is by box body and support disc to realize molecular sieve granule board whole quick replacement, greatly shorten downtime, avoid production interruption;Sealing cover and mechanical interlock's positioning assembly ensure that adsorption tower is airtight when disassembling, prevent air moisture absorption or dust leakage;Spring support and limiting structure of jacking assembly auxiliary one-key type release locking mechanism, reduce artificial intervention, avoid the risk of forcible disassembly when high temperature is not pressure relief;Prepackaged filling type molecular sieve granule board is directly replaced, and particle crushing and pipeline pollution are eliminated.These designs comprehensively improve replacement efficiency, safety and sealing, solve the production bottleneck and hidden danger of traditional replacement mode.

This invention relates to the field of industrial valve technology. It discloses an intelligent manual ball valve with electronic locking function, comprising a valve body, a valve ball, a valve stem, and a handle, and further including an electronic locking unit located above or to the side of the valve stem. The electronic locking unit includes a housing, a locking mechanism located within the housing, an electric actuator, and a control module. The locking mechanism restricts the rotation of the handle relative to the valve body in the locked state. The electric actuator drives the locking mechanism to switch between locked and unlocked states. The control module is electrically connected to the electric actuator and an external signal interface. The control module is configured to output a drive signal to the electric actuator based on control information from at least one local authorized operation, remote control command, and process interlock signal, thereby controlling the locking mechanism to switch between locked and unlocked states, thus achieving electronic locking and unlocking of the handle. The valve opening and closing actions are completed by the operator through manual rotation of the handle.

A portable communication device includes a first housing, and a second housing configured to be movable relative to the first housing to be in a folded state or a non-folded state with respect to the first housing, a first main gear connected to the first housing and configured to be rotated in a first rotational direction. The first main gear includes first main gear teeth, wherein each of the first main gear teeth have a width that gradually increases in a direction perpendicular to the first rotational direction, second main gear connected to the second housing and configured to be rotated in a second rotational direction opposite to the first rotational direction in interlocking with movement of the first main gear, and a first interlocking gear provided between the first main gear and the second main gear and coupled to the first main gear to interlock movement of the first main gear with the second main gear.

The utility model discloses a stamping device for deburring a lock cylinder, which comprises a bottom plate, a transverse stamping part, a first air cylinder, a vertical limiting plate, a limiting hole, a vertical stamping part, a transverse limiting rod assembly and a second air cylinder. The limiting hole and the transverse rod are connected in an inserted mode to lock the downward moving path of the vertical stamping part, on the contrary, when the key groove stamping strip moves downwards, the right moving path of the transverse stamping part is limited, the interlocking mechanism ensures that the marble groove and the key groove stamping strip cannot act at the same time, the movement interference risk of the marble groove and the key groove stamping strip at the lock cylinder intersection is thoroughly eliminated, and the equipment damage probability is remarkably reduced. The pressing switch and the linkage pressing assembly are integrated in the transverse limiting rod assembly, when it is detected that a stamping part is not reset or moves in a conflict mode, the pressing switch is triggered through mechanical linkage, then an instruction of an emergency stop air cylinder is triggered, and equipment overload or workpiece damage caused by misoperation or program errors is avoided.

The utility model discloses a direct current charging socket convenient and fast to plug. The direct-current charging socket comprises a plug head part and a plug seat part, wherein a high-voltage interlocking pin is arranged in the middle of a reversing shell of the plug head part, and a protective cover is hinged to a rear port of the high-voltage interlocking pin; a PCBA board is welded to the inner end of a high-voltage interlocking elastic piece of the bayonet socket part. The inner end of a multi-hole signal plug is welded to the upper end of the PCBA board, and the outer end of the multi-hole signal plug extends out of the front wall of the front mounting plate. The plugging head part and the plugging seat part are assembled respectively and then plugged oppositely, an inner plugging ring of the rear mounting plate is connected with a reversing shell in a sleeving manner, a high-voltage interlocking pin is inserted into a high-voltage interlocking elastic sheet to form a high-voltage interlocking loop, a protective cover is opened by rotating, a power jack part is attached to a connecting lug and is fixedly connected through a rear-mounted screw, and the protective cover is closed by rotating. And the connecting screw holes of the protective cover and the rear mounting plate are fixed through common screws. According to the utility model, the product structure is optimized, the assembly process is simplified, the assembly time is reduced, and the intelligent large-scale production is facilitated.

The utility model discloses a cooking main body and microwave cooking utensil relates to life electric appliance technical field, the cooking main body includes the casing, door interlock mechanism and microswitch subassembly, the casing is equipped with the mounting cavity and with the clearance mouth of mounting cavity intercommunication, door interlock mechanism includes interlock support and interlock drive subassembly, and the microswitch subassembly is equipped with the mounting cavity and with the clearance mouth intercommunication. The interlocking support and the interlocking driving assembly are arranged in the mounting cavity, a groove structure is formed in the interlocking support in a sunken mode, a protruding mounting plate structure is arranged on the interlocking support, the groove structure is communicated with the receding opening, the interlocking driving assembly is arranged in the groove structure, at least part of the interlocking driving assembly is located in the receding opening, and the mounting plate structure is connected to the groove side wall of the groove structure. And the micro switch assembly is arranged on the mounting plate structure, is positioned outside the groove structure and is arranged on the mounting plate structure. According to the technical scheme provided by the utility model, the problems that the water inlet risk is high and electronic devices are easy to damage due to the fact that the opening corresponding to the door interlocking mechanism of the existing microwave cooking utensil with the top surface opened faces the top surface are solved.

The utility model discloses an electric tool, its shell at least includes first casing part (100) and second casing part (200), and the holding area of first casing part is equipped with the switch-on switch button (900), and the second casing part is connected with the tool head (400) of electric tool, the second casing part is rotatably connected with first casing part, the electric tool still includes: adjustment locking element (300), it can prevent the second casing part from rotating around the rotation axis center relative to first casing part in locking station, and in the adjustment station, the second casing part can rotate around the rotation axis center relative to first casing part, interlock structure (700), when adjustment locking element is in adjustment station, the switch-on switch button is locked in the position of making the switch-on switch be in the off, when the switch-on switch button is in the position of making the switch-on switch be in the on, adjustment locking element is locked in locking station, wherein, adjustment locking element and switch-on switch button are located on the two faces of holding area perpendicular to each other respectively.

The present application belongs to the field of self-driving and traction interlocking, and relates to a self-driving and traction interlocking structure for an airplane ground energy storage power supply vehicle. The gear box is internally provided with two gears, namely, a neutral gear and an electric driving gear. The end of the gear handle extending into the gear box is fixedly connected with a pull wire I and a pull wire II, respectively. The end of the pull wire I away from the gear box is fixedly connected with a rotating box limiting mechanism, and the end of the pull wire II away from the gear box is fixedly connected with a speed reducer switch mechanism. When the handle is hung from the electric driving gear to the neutral gear, the pull wire I and the pull wire II are simultaneously tightened, the rotating box limiting mechanism of the pull wire I is disabled, the rotating box and the handle can rotate relative to the traction rod, and the traction ring blocked by the handle is exposed. At the same time, the pull wire II drives the speed reducer switch mechanism to act, and the transmission connection between the speed reducer and the motor is automatically disconnected. The present application solves the problems of dragging difficulty and easy damage to the motor when the energy storage power supply vehicle without self-driving and traction interlocking is used.

The utility model discloses a filtering device for a ventilating duct, and relates to the technical field of filtering devices. An annular filter groove is formed in the peripheral side of the inner wall of the ventilation pipeline, an arc-shaped notch communicated with the annular filter groove is formed in the side portion of the ventilation pipeline, an annular installation frame is arranged in the annular filter groove in a running fit mode, an arc-shaped plate is arranged on the side portion of the annular installation frame, a supporting annular plate is arranged on the peripheral side of the inner wall of the annular installation frame, and a filter screen is placed on the supporting annular plate. A limiting assembly is arranged on the side portion of the ventilation pipeline. The positions of the connecting base and the outer gear ring are conveniently adjusted through the movable frame, meanwhile, the probability that the outer gear ring is blocked during rotation is reduced, the outer gear ring is conveniently inserted into the first annular clamping groove to be meshed with the inner gear ring through elastic sliding of the connecting base on the movable frame, and therefore the connecting base is rotated to drive the plug pin to slide. And the limiting of the semicircular clamping plate by the plug pin is canceled, so that the convenience of dismounting the filter screen is improved.

The utility model discloses a quick dismounting and connecting device of intelligent thermal control equipment, the quick dismounting and connecting device comprises an upper connecting frame and a lower connecting frame, the upper connecting frame is connected to the side wall of an upper shell, and the upper connecting frame is provided with a limiting part which bends and extends inwards; the lower connecting frame is connected to the bottom shell in a sliding mode, the lower connecting frame is provided with a locking part which is bent and extends outwards, an adjusting bolt is further connected to the lower connecting frame in a driving mode, and the adjusting bolt penetrates through the rear side wall of the upper shell and is in threaded connection with the lower connecting frame so as to drive the lower connecting frame to move relative to the upper connecting frame. The limiting part and the locking part are mutually clamped or separated, when the limiting part and the locking part are mutually clamped, the upper shell and the bottom shell are mutually locked and fixed, and when the limiting part and the locking part are mutually separated, the upper shell is separated from the bottom shell. According to the technical scheme, the disassembly and connection efficiency of the intelligent thermal control equipment is improved.