65 results about "Bimetallic strip" patented technology

The application discloses a liquid cooling circulating battery box for a new energy vehicle and belongs to the technical field of new energy vehicles, which comprises a frame main body, which is installed at the bottom of the new energy vehicle through bolts; further comprises a main beam, which is installed inside the frame main body and is connected with the inner side of the frame main body through bolts at both ends; and four auxiliary beams, which are distributed on both sides of the main beam and are connected with the main beam through bolts at one end. When the temperature of the cooling medium in the cooling bin increases due to the increase of the heat load of the corresponding battery pack, the bimetallic strip is subjected to thermal bending deformation, the cooling bin is pressed downward, the corrugated pipe wall of the cooling bin is subjected to axial elongation deformation, the volume of the cooling bin is adaptively expanded, the flow area between the bottom of the cooling bin and the water inlet and the water outlet is increased, the mass flow of the water inlet into the cooling bin is increased, the heat dissipation capacity is adaptively increased with the temperature of the battery, and local overheating is effectively inhibited.

This utility model relates to the field of thermal protectors, specifically a high-current dual-control delayed miniature thermal protector, comprising an insulating base, an insulating cover, a first pin, a second pin, and a bimetallic strip. The bimetallic strip has a moving contact. The insulating cover is fixed to the insulating base and encloses it. The first and second pins are embedded within the insulating base. The insulating base is characterized by having a conductive plate, a heating wire, and a PTC thermistor mounted on it. The conductive plate has a stationary contact that mates with the moving contact. One end of the heating wire is electrically connected to the conductive plate, and the other end is electrically connected to the second pin. One end of the PTC thermistor is electrically connected to the first pin, and the other end is electrically connected to the conductive plate. When in use, this thermal protector can more promptly disconnect the circuit when the electrical load current in the circuit abnormally increases, effectively protecting the electrical appliances and preventing damage.

The utility model discloses a bimetallic strip temperature control positioning assembly relates to temperature controller technical field, including the assembling board, the top of assembling board is established with the assembling groove, the lateral surface of assembling groove is through with the through groove, and the lateral surface of assembling groove is established with the positioning groove of being located at the top of assembling board, the inboard of assembling groove is connected with the top plate, the lateral surface fixedly connected with the positioning plate of being located at the inboard of positioning groove of top plate, and the bottom fixedly connected with intermediate column of top plate, the bottom fixedly connected with temperature controller of intermediate column, the utility model discloses that the assembling groove is established at the top of assembling board, and the inboard of positioning groove that the inboard of assembling groove is established is connected with the positioning plate of top plate lateral surface, and the temperature controller is installed to top plate through intermediate column, and the bottom of temperature controller is equipped with bimetallic strip body, and the reset spring is established at the top of temperature controller, and the reset spring is connected in the limiting arc plate bottom of assembling groove inboard bottom, can make the positioning plate of top plate top firmly connect in the inboard of positioning groove.

The application discloses a high-efficiency heat-dissipation electric actuator and relates to the technical field of energy-saving motors. The dynamic filling mechanism is arranged between the motor and the ring wall, the principle of the bimetallic strip changing the bending degree according to the internal temperature of the motor is used, the piston block is driven to move, the amount of the heat-conducting oil filled into the filling cavity is changed, the effective heat-conducting contact area between the motor end wall and the external ring wall and the heat-conduction efficiency are flexibly adjusted, the heat-dissipation capacity can be self-adaptively adjusted according to the real-time temperature in the motor under the condition that the motor constantly drives the water pump and the fan, the motor can be effectively ensured to work in the suitable temperature range, the problems of overheating damage, large starting resistance, low efficiency, condensation corrosion and the like are avoided, and the operation stability and the service life of the motor are remarkably improved.

This invention relates to the field of spacecraft structure technology and discloses a thermally triggered self-deploying mechanism for a spaceborne antenna platform's solar panel. The mechanism includes: a solar panel frame, an antenna backplate, at least one drive hinge, and at least one thermal lock. This mechanism utilizes the orbital solar radiation environment as a trigger signal: a thermal delay sleeve absorbs and accumulates solar radiation heat, causing the internal locking tongue, made of a bimetallic strip, to undergo directional bending deformation when a temperature threshold is reached, thereby disengaging from the locking seat. After the lock is released, the elastic potential energy stored in the energy storage spring is released, driving the solar panel to smoothly deploy to a predetermined angle. This invention achieves completely passive and reliable environmentally adaptive triggering and deployment, simplifies the structure, avoids reliance on electronic systems, and integrates a check mechanism to ensure stable deployment.

The present application relates to the vehicle power socket spare part structure technology, especially to a vehicle power socket, the socket positive pole plug bending processing equipment and method, the vehicle power socket includes the positive pole plug, rivet, elastic gasket, insulating sheet, negative pole plug, porcelain seat, inner tube and bimetallic sheet connected by riveting, wherein the positive pole plug covers the rivet head setting, the positive pole plug bending processing equipment includes plug feeding mechanism, rivet feeding mechanism and bending mechanism to realize the integrated covering connection assembly of the rivet and the positive pole plug, forming a positive pole plug with rivet, the pre-processing of the positive pole plug is completed by automatic processing, without manual intervention, and the processing method changes the existing vehicle power socket assembly method, so that the vehicle power socket assembly is more stable, and the quality of the assembled vehicle power socket is higher.

This invention provides a remote-reading sulfur hexafluoride density meter, belonging to the field of electrical instrumentation technology. Its structure includes: a gear rotatably connected to the dial, with the gear teeth engaging with each other; a first fixing post fixedly connected to the dial, with a fixing hole on the first fixing post; a helical bimetallic strip, fitted around the gear's rotating shaft, with its inner end connected to the shaft. This invention adds a helical bimetallic strip to the gear mechanism and fixes its outer end. Based on this structure, when the bimetallic strip responds to temperature changes, the rotational movement of its inner end can compensate for under-reading caused by excessively high ambient temperatures and offset over-reading caused by excessively low ambient temperatures, thereby improving detection accuracy within a certain range. Furthermore, this invention adds a protective plate to the rear of the instrument for the response element, improving assembly reliability and providing protection.

This invention discloses a turning device for square steel used in elevator racks after rolling, belonging to the field of square steel turning technology. It aims to solve problems encountered by existing devices when machining square steel with large aspect ratios and poor rigidity, such as easy vibration in the middle section, interference from positioning and vibration coupling, low centering accuracy, and increased errors due to steel chip jamming. The device includes a turning equipment base, a machine tool guide rail base, a chatter suppression mechanism, a positioning and locking mechanism, and a flexible stabilizing mechanism. The chatter suppression mechanism slides synchronously with the tool holder adjustment table, and adaptively supports the middle section of the square steel through bimetallic strip thermal induction. A displacement sensor detects deformation in real time. The positioning and locking mechanism is linked by an electrical signal, driving the centering component to automatically center via a telescopic rod and gear rack. A metal conductive sheet contacts an electrical contact button to trigger an electromagnet, causing the magnetorheological fluid to harden and lock the ejector pin. The flexible stabilizing mechanism achieves radial stabilization through a triangular turntable and flexible support rollers, and synchronously links with an air duct to blow away steel chips. The three mechanisms work together to form a closed loop, improving machining accuracy and stability, and adapting to the large-scale machining needs of square steel for elevator racks.

The utility model discloses a thermal protector, including upper cover, bottom plate, insulating paper and bimetallic strip, wherein, the insulating paper includes main part, left edge part and right edge part, the main part is pasted with the upper end surface of bottom plate, left edge part is connected on the left end of main part and is turned over to be pasted with the lower end surface of bottom plate, right edge part is connected on the right end of main part and is turned over to be pasted with the lower end surface of bottom plate, the upper cover includes cover, left bending part and right bending part, the cover is located the upper of main part of insulating paper and with the upper surface of main part is opposite, left bending part is connected on the left end of cover and is bent to be close to the lower surface of left edge part, right bending part is connected on the right end of cover and is bent to be close to the lower surface of right edge part. The utility model can improve the firm degree of the connection between upper cover and bottom plate, and then is favorable to improve the reliability and stability of thermal protector.

The utility model discloses a kind of circuit breaker overload protection mechanism, it is related to circuit breaker technical field, specifically for the right end fixed connection of bimetallic strip has soft wire, the upper surface fixed connection of soft wire has contact plate, the right upper side of contact plate is installed with center lever, the lower fixed connection of bimetallic strip close to left end has load wire, the left end fixed connection of bimetallic strip has fine adjustment screw block, the lower installation of bimetallic strip right end has Z-shaped metal sheet.The circuit breaker overload protection mechanism is cooperatively arranged by bimetallic strip, Z-shaped metal sheet, resistance and alarm wire, when bimetallic strip is bent due to overload in the process of using in circuit breaker, Z-shaped metal sheet will be touched preferentially, current output is achieved through resistance and alarm wire, by connecting alarm wire into alarm or emergency device, thereby played the role of alarming or enabling protection device before overload tripping occurs.

The application relates to the technical field of temperature-sensitive control, in particular to an automatic reset type temperature-sensitive control device, which comprises a device main body, rotating boxes are fixedly connected to the two sides of the device main body, an alternating heat conduction mechanism is arranged in the rotating boxes, the alternating heat conduction mechanism comprises heat insulation plates which are slidingly connected in the rotating boxes, left plates and right plates are fixedly connected to the two sides of the heat insulation plates, left heat conduction fins are slidingly connected to the end portions of the left plates, when the electrical equipment is damaged to cause abnormal temperature rise, the bimetallic strip is bent greatly when sensing the continuous high temperature, at the moment, the pressure rod drives the bimetallic strip to move downwards and is separated from the right heat conduction fin, the continuous transmission of the heat source to the bimetallic strip is cut off, plastic deformation of the bimetallic strip beyond the elastic bending limit is avoided, the bimetallic strip can be normally reset when the temperature falls back, and the long-term use performance of the bimetallic strip is ensured.

The utility model discloses a kind of high-efficiency heat dissipation resistance bimetallic strip, it is related to bimetallic strip technical field, including upper metal sheet, the bottom of the upper metal sheet is equipped with lower metal sheet, and the inside of the upper metal sheet and lower metal sheet is equipped with inner metal sheet, the side of the upper metal sheet is equipped with connecting plate, the inside of the connecting plate is fixedly connected with connecting column, the inside of the connecting column is threadedly connected with fixed bolt one, the side of the inner metal sheet is fixedly connected with heat-conducting sheet, the utility model is equipped with inner metal sheet inside the upper metal sheet and lower metal sheet, inner metal sheet inside fixedly connected heat-conducting sheet can absorb the heat on inner metal sheet, upper metal sheet and lower metal sheet inside the arc-shaped groove inside and heat-conducting sheet are clamped, the copper sheet of arc-shaped groove inside is in contact with heat-conducting sheet, heat is quickly discharged by radiating bump one and radiating bump two, improve the heat dissipation of resistance bimetallic strip.

This application discloses a high-efficiency heat dissipation device for intelligent large transformers, belonging to the field of transformer heat dissipation. The high-efficiency heat dissipation device for intelligent large transformers includes a transformer housing, with heat dissipation fins assembled on the front and rear sides of the housing. Multiple windings are arranged inside the housing. An annular water pipe is provided on the outer wall of each winding, and a cold water tank is fixedly fitted around the annular water pipe. The cold water tank and the annular water pipe are connected through water holes. Fixed fins are assembled on the outer wall of each winding. This application uses a bimetallic strip to sense temperature changes in the transformer windings, and then utilizes the mechanical transmission of inclined slots and spiral slots to achieve adaptive expansion and contraction of the movable fins according to temperature changes. The higher the temperature, the larger the extended area of ​​the fins and the stronger the heat dissipation capacity. At low temperatures, the fins automatically retract, ensuring rapid cooling under overload and overheating conditions while avoiding redundant heat dissipation under normal conditions.

This invention discloses a waste heat recovery and recycling device and method, relating to the field of RTO waste heat recovery and recycling technology. The device is divided into a separation zone, a heat exchange zone, and an exhaust zone. A gas replenishment structure is provided on the partition between the heat exchange zone and the separation zone, and a bimetallic strip is provided on the partition between the heat exchange zone and the exhaust zone. The gas replenishment structure includes a movable column and a return spring. After the RTO exhaust gas is purified in the separation zone, the hot gas enters the heat exchange zone to exchange heat with the material in the material pipe, and then flows into the exhaust zone for discharge. When there is too much hot gas, the bimetallic strip bends under heat and opens the through hole to discharge excess hot gas and prevent damage to the device. When there is insufficient hot gas, the high pressure in the separation zone pushes the movable column to compress the spring and open the through hole to replenish gas. After the hot gas stabilizes, the spring drives the movable column to return to the return position and close the through hole, maintaining the stability of the hot gas in the heat exchange zone.

The application relates to a European box transformer and relates to the technical field of box-type substations, which comprises a box body, the top of the box body is provided with a connecting mounting plate, the mounting plate is provided with a pressure relief cylinder penetrating through the top surface of the box body, a pressure relief film, a foamed metal block and an annular base are sequentially arranged in the pressure relief cylinder, a fire extinguishing device and a heat dissipation device are arranged in the box body, the fire extinguishing device comprises an air bag, a clamping block and a bimetallic strip, the heat dissipation device comprises a driving motor, a driving pipe and a fan blade, and a temperature sensor and a photosensitive sensor are further electrically connected with the driving motor. The application has the effects of effective pressure relief, fire extinguishing and heat dissipation. When the temperature in the box body is abnormal, timely response can be realized, the fire is extinguished by releasing fire extinguishing gas through the rupture of a heat-sensitive microcapsule layer, the heat dissipation device is started to dissipate heat by using a temperature sensor, and the spring sheet vibration sound plays an alarming role when pressure relief.

The utility model belongs to low -voltage electrical apparatus test technical field discloses a kind of circuit breaker double gold performance detection devices, including rack, first electrode assembly, second electrode assembly and detection component, first electrode assembly and second electrode assembly can be relatively close or far away and be located in rack, for placing circuit breaker between them, first electrode assembly and the first wiring end of circuit breaker are electrically connected separately, second electrode assembly and the second wiring end of circuit breaker are electrically connected separately;Detection component is located in rack, test window is opened on shell, and detection component can pass through test window and detect the performance of bimetallic strip. By connecting circuit breaker whole into energized circuit and passing current, the motion state of bimetallic strip under real working condition of circuit breaker can be accurately simulated, since bimetallic strip is placed inside circuit breaker shell, the temperature environment when bimetallic strip works can be accurately simulated, the influence of temperature and other factors on bimetallic strip performance test is eliminated, and the accuracy and reliability of test result are improved.

This invention relates to the field of liquid cooling plate devices, and more particularly to a liquid cooling plate with a high-efficiency heat dissipation structure. The plate includes a liquid cooling plate body and a cooling flow tube forming a cooling medium channel within it, arranged in a meandering, bow-shaped structure. The straight section of the cooling flow tube is equipped with an adaptive turbulence structure that dynamically turbulents the coolant. High-temperature and low-temperature zones are formed in the middle and on both sides of the cooling flow tube, respectively. The adaptive turbulence structure includes bimetallic strips equidistantly arranged vertically along the straight section of the cooling flow tube, with one end of each bimetallic strip fixedly connected to the cooling flow tube. This invention can automatically change the flow channel morphology and turbulence intensity according to the component's heat dissipation temperature, achieving a dynamic balance between low-temperature, low-resistance, energy-saving, and high-temperature, high-turbulence, high-efficiency operation. Simultaneously, it precisely matches the heat dissipation of the high-temperature zone, prevents flow channel blockage, and enhances heat exchange uniformity, truly achieving dynamic adaptive turbulence adjustment. This effectively solves the problem of the inability to simultaneously balance heat dissipation and energy consumption in a fixed turbulence structure.

This utility model discloses an improved bimetallic strip for a fast-response circuit breaker, including a positive electrode connecting plate. One end of the positive electrode connecting plate is fixedly connected to a copper alloy plate and an iron-nickel alloy plate, and an expansion component for accelerating bending is provided between the copper alloy plate and the iron-nickel alloy plate. When the circuit is overloaded, the current increases sharply, and the heat generated is conducted to the copper alloy plate and the iron-nickel alloy plate through the positive electrode connecting plate. Due to the excellent thermal conductivity of the copper alloy material, the expansion plate quickly absorbs the heat and begins to expand significantly due to its high coefficient of thermal expansion. At the same time, the transverse limiting plate and the extrusion plate made of iron-nickel alloy material also expand to a certain extent due to heat, causing the size of the extrusion groove to shrink synchronously. The reduction in the size of the extrusion groove provides a more compact space for the expansion plate to expand, further enhancing the expansion effect of the expansion plate in a limited space. As the expansion plate continues to expand and fill the extrusion groove.

The utility model discloses a bimetallic strip assembly welding positioning frock, including welding storehouse, welding machine, the inside bottom of welding storehouse is provided with workstation positioning auxiliary mechanism, the workstation positioning auxiliary mechanism includes the rotating table of swing joint in the inside bottom of welding storehouse. The utility model discloses a bimetallic strip assembly welding positioning frock, when the positioning head of rotating with the rotating table contacts to the docking storehouse, the docking storehouse forces the positioning head to move to the control groove, and compresses the spring block, and continues to rotate with the rotating table, and the positioning block moves to the middle position in the docking storehouse, at this moment, the spring block will the positioning head top into the docking storehouse and tightly clamps it under the action of the elasticity, this process makes the rotating table produce the damping effect in the rotation process, and finally realizes accurate positioning and pause, when the rotating table is in this positioning pause state, carries out the welding operation to the bimetallic strip assembly in the placing frame, can effectively prevent the displacement of the assembly because of the vibration in the welding process.

This utility model belongs to the technical field of instant water heater structure, specifically an instant water heater structure with a heat exchange start-up device. It includes a rear shell, with a mounting bracket fixedly connected to the inner wall of the rear shell. A heat insulation cover is fixedly connected to the mounting bracket by bolts. A sleeve is installed inside the heat insulation cover, with a heating base fixedly connected to the top of the sleeve and a heating rod fixedly connected to the bottom of the heating base. A groove is formed inside the outer wall of the sleeve, with a connecting hole inside the groove. A bimetallic strip is fixedly connected to the top of the inner wall of the groove, and a slider is fixedly connected to the bottom of the bimetallic strip. A flow guide port is formed inside the slider. A preheating plate is installed inside the rear shell, with a preheating pipe inside the preheating plate. A support block is fixedly connected to the outer wall of the preheating plate. A heat-conducting pipe is fixedly connected to the outer wall of the sleeve, and a water inlet pipe is installed inside the preheating plate. This utility model, through the action of the bimetallic strip, heat-conducting pipe, and preheating pipe, improves heat exchange efficiency, reduces energy consumption, and minimizes heat loss, making hot water supply more efficient.

The application discloses a hot-pressing device with a temperature control structure and a temperature control method, and belongs to the technical field of plywood processing. The hot-pressing device comprises a rack, and hot-pressing plates are uniformly arranged in the rack. The temperature control mechanism is arranged at the end of the rack. In the process of temperature rising, the movement of the piston is controlled according to the temperature difference and the change of the air pressure at the two ends of the first hollow pipe, the opening size of the shunt pipe is increased, the steam entering amount is increased, the hot-pressing plate is rapidly heated, after the temperature rising is completed, the temperature difference at the two ends of the first hollow pipe is reduced, the air pressure area is stable, the tension spring controls the piston to reset, the shunt pipe is stably supplied with air, and when the steam discharged from the collecting pipe is too high, the diaphragm can be controlled to move towards the inside of the shunt pipe due to the deformation of the bimetallic strip, the air intake amount is reduced, and the temperature is prevented from being too high. Therefore, the device can automatically control the temperature during use, the functionality of the device is improved, and the hot-pressing quality and speed are ensured.

The utility model relates to temperature measuring equipment technical field, concretely relates to a kind of adsorption type fireplace pointer thermometer, comprising: thermometer body and magnetic attraction subassembly, thermometer body is connected between magnetic attraction subassembly by elastic connecting piece, thermometer body includes shell, the one end of shell is fixedly connected with transparent lens, the other end of shell is fixedly connected with accommodating cavity, the inside of accommodating cavity is provided with bimetallic strip and pointer subassembly, the inside of shell is fixedly connected with dial, the surface of accommodating cavity is fixedly connected with heat conduction plate, magnetic attraction subassembly includes magnetic attraction seat, the inside of magnetic attraction seat is provided with permanent magnet, by the setting of magnetic attraction subassembly, thermometer body can be firmly adsorbed on the metal surface of fireplace, need not punch in fireplace or wall surface, installation and disassembly are convenient and fast, avoid the damage to the structural integrity of fireplace, through heat conduction plate directly with fireplace surface contact, and through the pressure of elastic connecting piece ensure close fitting, effectively improve heat conduction efficiency.

The utility model relates to a motor circuit breaker with adjustable tripping stroke, which comprises a shell, a tripping device and a bimetallic strip installed in the shell, an adjusting assembly installed in the shell, an adjusting knob, a fine adjustment screw, a knob holder and a secondary piece support, the adjusting knob is provided with a worm-shaped convex involute part, one end of the knob holder is connected with the shell, the other end is connected with the fine adjustment screw through screw threads, the fine adjustment screw is in contact with the involute part, the secondary piece support is connected with the knob holder to form a seesaw structure, one end of the secondary piece support is provided with a driving element connected with the bimetallic strip, the driving element is in a seesaw state, and the secondary piece support can extrude the tripping device in the direction of the knob holder through the other end push plate to trigger; the rotation of the fine adjustment screw can change the stroke interval between the push plate and the tripping device, the bimetallic strip only needs to be bent with a smaller amplitude to drive the push plate to extrude the tripping device, and the position of the bimetallic strip does not need to be changed by disassembling the shell during the process, so the operation is simple and convenient.

This invention discloses a dual-rotor motor with a high-efficiency heat dissipation system, comprising a stator assembly and a rotor assembly arranged in series. The rotor assembly is equipped with an air-cooled heat dissipation module and a liquid-cooled heat dissipation module. The air-cooled heat dissipation module includes a relatively rotatable air ring, which has an air intake and an air outlet. The rotor assembly also has a temperature control switching device. This device, through the cooperation of a bimetallic strip and a flexible pin, locks the air ring to achieve air cooling when the temperature is below a threshold, and unlocks it when the temperature exceeds the threshold, allowing the air ring to rotate relative to the rotor and drive the liquid-cooled module. The liquid-cooled module includes a liquid storage mechanism that uses centrifugal force to pressurize the liquid, a liquid delivery pipe that pumps coolant through a rolling wheel mechanism, and a nozzle facing the air gap. This invention achieves intelligent switching between air-cooling and liquid-cooling modes, effectively solving the heat dissipation problem caused by the compact structure of the dual-rotor motor, and ensuring the continuous and stable operation of the motor under high-temperature conditions.

The present application relates to the field of thermal fuses, and particularly relates to a quick-response thermal fuse. The quick-response thermal fuse comprises a housing, a bimetallic strip disposed in the housing, a tripping device, a first electrode, a second electrode, and an electrical interrupting device bridged between the first electrode and the second electrode, wherein two ends of the tripping device are respectively abutted against a movable end of the bimetallic strip and the electrical interrupting device; the bimetallic strip is close to the housing; when the bimetallic strip deforms upon heating, the bimetallic strip pushes the tripping device and the electrical interrupting device out of their abutting state; and the electrical interrupting device maintains a closed state under an external force applied by the tripping device, and when the external force is removed, the electrical interrupting device is in an open state. The present disclosure integrates the advantages of two current technologies, i.e., a bimetallic strip technology and a low-melting-point alloy technology, and also overcomes the disadvantages of the two technologies, thereby improving the user experience, and also greatly improving the product performance.

This utility model discloses a terminal structure within a temperature controller, including a stationary terminal and a moving terminal unit electrically connected to the stationary terminal. A heat conduction unit for improving the accuracy of heat detection is welded to the contact area between the stationary terminal and the moving terminal unit. The moving terminal unit includes a first moving terminal and a second moving terminal connected to each other. A bimetallic strip for temperature detection is electrically connected to the upper surface of the first moving terminal. This utility model has a reasonable structural design. By soldering silver at the contact point between the stationary and moving terminals, heat generated by resistance is avoided, improving the temperature detection accuracy of the bimetallic strip, increasing the efficiency of the electrical appliance, and extending the service life of the bimetallic strip.

The utility model discloses a mould electric heating device for a hot runner in the mould field, the device comprises a bimetallic strip and an electric heating wire, the bimetallic strip is formed by compounding two metal layers with different thermal expansion coefficients, the bimetallic strip is bent into an open ring shape to form a heating sealing sleeve, and the heating sealing sleeve is connected with the bimetallic strip. The heating sealing sleeve is sealed and fixed through deformation generated when the bimetallic strip is heated and bent. The electric heating wire is in contact with the bimetallic strip so as to provide heat for the bimetallic strip; and the electric heating wire is arranged in the bimetallic strip and is in contact with the bimetallic strip. Dynamic sealing is achieved through heating deformation of the bimetallic strip, screw connection is omitted, meanwhile, the heating sealing sleeve deforms in a self-adaptive mode along with the temperature, the heating sealing sleeve can be tightly attached to the surface of a mold, and the sealing reliability is remarkably improved.

This application discloses a terminal block type overload protector, belonging to the technical field of overload protectors; it includes: a first housing and a second housing that snap together, the first housing having a first insertion slot, and the second housing having a second insertion slot and a guide slot; a first contact piece, inserted into the first insertion slot; a bimetallic strip having a fixed end, an electrical connection end, and a swing end, the fixed end being connected to the first contact piece; a first terminal block, inserted into the second insertion slot; a second contact piece, connected to the terminal block, and the second contact piece being electrically connected to the electrical connection end in an openable and closable manner; a rotating lever, including a rotating shaft, a first lever arm, and a second lever arm, the rotating shaft being rotatably connected to the second housing, the first lever arm and the second lever arm being spaced apart along the circumference of the rotating shaft, and the first lever arm being positioned on one side of the swing end; a reset button, movably disposed in the guide slot, and the reset button being positioned on one side of the second lever arm. The terminal block type overload protector provided by this application has a simple structure and is easy to assemble.

The present application relates to the technical field of combustion equipment, and discloses a gas burner capable of efficient combustion, which comprises a burner main body, a blast box arranged at the top of the burner main body, and a combustion chamber arranged outside the blast box, and further comprises an adjusting mechanism arranged at the top of the combustion chamber; the adjusting mechanism comprises an outer shell arranged at the top of the combustion chamber, a heat conduction rod arranged inside the outer shell, a sliding groove opened at the top of the outer shell, a sliding block arranged inside the sliding groove, a cross rod arranged at the top of the sliding block, the top of the sliding block being fixedly connected with the cross rod, an expansion hole opened at the end of the cross rod away from the sliding block and penetrating into the inside, a probe arranged at the end of the expansion hole close to the sliding block, the bottom end of the probe being slidably connected with the heat conduction rod through the sliding block, a knob arranged at the sliding connection position between the sliding block and the outer wall of the outer shell, and a bimetallic strip arranged at the top end of the probe. By arranging the adjusting mechanism, the supply amount of the gas is automatically adjusted, and the heat generated by combustion is used as a power source, so that the power or other external energy sources are not needed.