82results about How to "Improve detachability" patented technology

The utility model discloses a triethylamine recovery reaction kettle which comprises a shell, supporting legs which are symmetrically distributed are fixedly installed on the two sides of the bottom of the shell, a plurality of fixing blocks are fixedly installed on the outer surface of the shell, and electric telescopic rods are fixedly installed on the tops of the fixing blocks. According to the triethylamine recovery reaction kettle disclosed by the utility model, the shell, the recovery kettle liner, the top seat, the mounting opening, the sealing ring, the annular water storage plate, the flow guide cover, the electric telescopic rod, the fixed block, the water drainage pipe, the supporting legs and the water inlet pipe are matched for use, and the cooling mode of the reaction kettle is that cooling water is pumped into the shell and is positioned above the annular water storage plate; due to the fact that the gap space between the opening in the bottom of the annular water storage plate and the outer surface of the recycling kettle inner container is limited, the flowing speed of cooling water can be limited, and through the annular design of the annular water storage plate, the cooling water can be guided to form a water curtain on the outer surface of the recycling kettle inner container.

The utility model discloses a barbecue thermometer with a detachable probe, which relates to the technical field of thermometers, and comprises a display module, a probe and a temperature sensor, the top of the display module is provided with a display screen, and the upper end and the lower end of the probe are fixedly sleeved with a first magnetic ring and a second magnetic ring respectively. The outer surface of the first magnetic suction ring is connected with an adsorption ring in a magnetic suction mode, the outer surface of the adsorption ring is fixedly sleeved with a long cleaning pipe, the bottom of the long cleaning pipe is connected with a short cleaning pipe in a penetrating mode, the bottom of the short cleaning pipe is fixedly connected with a scraping ring, and the probe is sleeved with the long cleaning pipe, the short cleaning pipe and the scraping ring. The barbecue thermometer probe is reasonable in structure, through the arrangement of the long cleaning pipe, the short cleaning pipe and the scraping ring outside the barbecue thermometer probe, a probe protection structure on the barbecue thermometer can be conveniently added, the probe can be cleaned at the same time, the use effect of the barbecue thermometer is improved, and the barbecue thermometer probe has practicability.

The utility model discloses a gas cylinder anti-toppling frame in the technical field of gas cylinder anti-toppling frames, which comprises a supporting bottom plate, vertical rods are mounted at four corners of the top of the supporting bottom plate, moving components are mounted at the bottom ends of two groups of vertical rods positioned at the rear end, and an arc-shaped supporting vertical plate is fixedly mounted at the top of the supporting bottom plate. Clamping assemblies are rotationally connected to the two sides of the arc-shaped supporting vertical plate, multiple sets of supporting plates are welded between the two sets of vertical rods located on the same side, a switch assembly for controlling the two sets of clamping assemblies to rotate is installed between the supporting plates on the two sides, and each clamping assembly comprises multiple sets of clamping plates rotationally connected with the side face of the supporting vertical plate; the gas cylinder fixing support solves the problems that an existing gas cylinder is not provided with a special fixing support in the using process, the gas cylinder is prone to being pulled down or knocked down, the gas cylinder is inconvenient to carry and transfer according to using of workers, and people cannot use the gas cylinder conveniently.

The utility model relates to the field of generator rotor, especially a generator rotor assembly convenient to installation, rotor assembly is equipped with installation on the rotating shaft, the both sides of rotating shaft all are seted up installation groove, and the both sides of rotor assembly all are seted up fixing seat above installation piece, and all are seted up the card cavity on fixing seat, the both sides of rotating shaft all are adaptively seted up the movable card piece above corresponding card cavity, and the both sides of fixing seat all are inserted and are used for locking screw of card piece. In the utility model, through the structure that spring promotes card piece and automatically card into card cavity, can realize the quick centering and preliminary fixation of rotor assembly and rotating shaft, and cooperate the locking mode of screw and screw groove, have realized the reliability and detachability of connection, are convenient for the later maintenance and adjustment, effectively solved the problem that the traditional interference fit is not reversible, the high scrappage rate and the complicated operation.

The utility model discloses an ultrathin intelligent integrated touch switch for a 36W mirror, which relates to the technical field of intelligent touch switches, and comprises a switch main body and a raised rib position connected with the switch main body, the raised rib position is located at the bottom of the switch main body, the bottom of the switch main body is provided with a pinch plate, and the top of the pinch plate is connected with a limiting frame. The bottom of the limiting frame is connected with a fixing rib position, the fixing rib position can be connected with the protruding rib position in a buckled mode, and the bottom of the buckle plate is connected with an environment-friendly silver mirror. When the switch main body is installed on the buckle plate, the mode that the switch main body is embedded into the protruding rib position and the fixing rib position of the buckle is adopted, so that the intelligent integrated touch switch for the mirror can be installed more conveniently, reliably and stably through the buckle position, and the stability of the intelligent integrated touch switch during installation is improved; and moreover, when the equipment is disassembled, the equipment can be more convenient, and the detachability of the equipment is improved.

The invention relates to a side-channel compressor for a fuel cell system for compressing a fluid, comprising a housing having a housing upper part and a housing lower part, the housing upper part having a bearing journal extending along a rotational axis, the bearing journal having a housing lower part, and the housing lower part having a bearing journal extending along a rotational axis. The bearing journal has a journal root section and a journal main section, a first bearing and a second bearing are arranged on the journal main section, a compressor wheel assembly having a compressor wheel is arranged in the housing on the bearing outer ring in a rotatable manner about the axis of rotation, and the compressor wheel assembly is arranged in the housing on the bearing outer ring in a rotatable manner about the axis of rotation. According to the invention, the side channel compressor has a journal tensioning section, the journal main section being arranged between the journal root section and the journal tensioning section, and the housing upper part being at least indirectly tensioned with the bearing via a central screw.

The utility model discloses a drilling soil sampling device for soil detection, which comprises a lifting plate, a lifting adjusting mechanism, an external rotation soil breaking mechanism and a mounting clamping mechanism, the lifting adjusting mechanism comprises a conical tooth assembly, a lead screw, a threaded plate, a bottom frame and a hinge lifting frame; the external rotation soil breaking mechanism comprises a conveying pipe, a lateral frame, a first motor, a second motor, an external rotation pipe, a transmission tooth assembly, an external rotation blade, a rotating shaft and a conveying blade, and stable lifting of a lifting plate is ensured through threaded fit of a bevel tooth assembly and a lead screw, so that the drilling depth is accurately controlled, high-precision control is provided for soil sampling, and the working efficiency is improved. The external rotation ground breaking mechanism effectively breaks ground by means of the rotation function of an external rotation pipe and external rotation blades, all assemblies can be rapidly connected and fixed through the design of a clamping pipe, a clamping rod, an external extension spring rod and the like of the installation clamping mechanism, and the detachability and maintenance convenience of the equipment are improved.

The invention discloses a quick-response multi-point temperature measuring device suitable for high-temperature liquid metal, and belongs to the technical field of measuring devices. Comprising a temperature measuring device and a fixed sealing device, the temperature measuring device comprises a thermocouple tube bundle, a thermocouple wire positioning cone and a thermocouple tube bundle side wall welding section; the fixing and sealing device comprises a fixing nut, a sealing ring, a connecting nut, an upper square flange, a flange gasket and a lower flange. The device is good in sealing effect and comprises a flange sealing mode and a clamping sleeve sealing mode, and the detachable requirement of the temperature measuring device can be met through the flange position; the thermocouple wire probe is in direct contact with fluid, so that the temperature measurement result is more accurate, and the response time of the thermocouple wire can be determined according to actual requirements; the main bodies of the temperature measuring elements are all arranged in the tube bundle, so that the temperature measuring device cannot be damaged due to large fluid flow; in addition, the thermocouple wire is used as a temperature measuring element, and compared with a sheathed thermocouple, the cost can be greatly reduced.

The utility model provides a detachable stirrer mechanism of a bioreactor, which relates to the technical field of biological reaction equipment and comprises a bioreactor body, a tank cover is arranged above the bioreactor body, a mounting assembly capable of fixing a stirrer is arranged below the tank cover, and the mounting assembly comprises a mounting frame. According to the detachable stirrer mechanism of the bioreactor, by arranging the mounting assembly and other parts, when a stirring mechanism is not needed in a biological reaction, a hydraulic telescopic rod pulls a pressing plate and a positioning rod to ascend, so that the positioning rod is separated from the interior of a positioning hole, and the fixing and limiting effects of the device on a mounting plate are relieved; then the mounting plate can be taken out from the interior of the mounting frame by pulling a handle, so that the stirring mechanism can be detached from the lower part of the tank cover, the detachable effect of the stirring mechanism is realized, a worker can conveniently clean and maintain the stirring mechanism, and the influence of the stirring mechanism on the reaction of the biological materials is avoided.

The invention relates to the technical field of tunnel drainage, in particular to a long-distance reverse slope drainage non-stop extension pipeline structure which comprises a drainage pipe and a main gate valve. The main gate valve is connected to the water outlet end to control the opening or closing state of the water passing surface of the main drain pipe, at least two branch drain pipes are connected to the main drain pipe in the circumferential direction, and the total area of the water passing sections of the branch drain pipes is not smaller than the area of the water passing section of the main drain pipe. The drainage device is applied to tunnel drainage non-stop operation, during tunnel drainage, through cooperative operation of the drainage main pipe and the drainage branch pipes, continuity and large flow of tunnel drainage are guaranteed, and compared with a traditional drainage device, the drainage device can achieve non-stop drainage and same-flow drainage, that is, in the process of prolonging the drainage pipeline, the drainage efficiency is greatly improved. Drainage construction operation does not need to be stopped, and the drainage flow cannot be reduced.

The utility model relates to the technical field of steel edge wooden box, and disclose a steel edge wooden box convenient to position, including fixed structure, fixed structure installs on the wooden board, the wooden board is fixed on the upper end of base, the four corners of base are provided with side post, the upper end of side post is provided with the top seat, and the fixed structure includes screw, and the screw is fixed in base, and is matched with eccentric bolt. The utility model discloses the cooperation of upper box body bottom column and lower box body taper column composite slot hole, and the bottom column falls into the slot hole under the action of gravity when stacking, is guided to automatic centering first by upper taper structure, and then is closely attached to complete accurate positioning and stress by lower column structure, effectively avoids the operation danger of traditional manual alignment and the safety problems such as box body slide or structural damage.

The invention discloses a combined type lift-adjustable deep well water pump and relates to the technical field of water pumps, the combined type lift-adjustable deep well water pump comprises a base, the base is sleeved with a first pump shell, the first pump shell is detachably connected with the base in a sealed mode, and a motor is detachably arranged on the top of the base; the top of the first pump shell is detachably connected with a first connecting base in a sealed mode, a second connecting base is arranged above the first connecting base, a second pump shell is detachably arranged on the second connecting base, and an output shaft of the motor penetrates through the first connecting base and the second connecting base and extends into the second pump shell. A plurality of centrifugal impellers are linearly arranged in the second pump shell and fixed to an output shaft of the motor, a booster pump head is detachably arranged at the top of the second pump shell, and the detachability of the deep well water pump is improved through the mode that all the component structures are combined; and the deep well water pump can be conveniently and carefully overhauled, maintained and the like.

A multi-point positioning device for inductor pressure testing includes a test platform with a bottom support bracket at its base. The bottom support bracket and the test platform are fixed together by welding. A test fixing component, a test mold, is installed on the test platform to fix the inductor for testing. The integrated welded bottom support bracket is combined with the test platform to ensure a stable and reliable overall structure. A drive cylinder, in conjunction with an assembly flange, controls the movement of the inductor detection head. The inductor detection head is used for inductor testing, further ensuring the accuracy and repeatability of the testing. The moving guide rail and fixing screws within the test mold effectively guarantee the accuracy and repeatability of multi-point positioning. The drive cylinder and push rod enable automatic inductor clamping, improving testing efficiency.

The utility model discloses a multifunctional sectional type pin shaft, which relates to the technical field of pin shafts, and comprises a first sectional pin shaft and a second sectional pin shaft, a connecting structure is arranged between the first sectional pin shaft and the second sectional pin shaft, the connecting structure comprises a connecting base station, the connecting base station is fixedly connected to the end part of the first sectional pin shaft; the locking assembly is arranged between the connecting base table and the second subsection pin shaft, the locking assembly is used for connecting the connecting base table and the second subsection pin shaft, and a driving assembly is arranged on the locking assembly; and the butt joint assembly is arranged between the first subsection pin shaft and the locking assembly. The connecting structure is arranged, the first subsection pin shaft and the second subsection pin shaft can be conveniently and rapidly connected in a butt joint mode through the butt joint assembly, then the first subsection pin shaft and the second subsection pin shaft are connected through cooperation of the locking assembly and the driving assembly, and good connecting reliability is achieved.

The utility model discloses a charging socket capable of rapidly replacing terminals, and relates to the technical field of charging sockets. Comprising a shell and a positioning structure arranged in the shell; the interior of the shell is divided into a first cavity and a second cavity by the positioning structure; one side, facing the first cavity, of the positioning structure is provided with a jack assembly mounting position for detachably mounting a jack assembly and a terminal mounting position for detachably mounting a terminal assembly; the jack assembly is provided with a positioning step assembled with the terminal; the side, facing the second cavity, of the positioning structure is provided with a pin assembly installation position used for detachably installing a pin assembly. According to the invention, rapid positioning, rapid disassembly and assembly of each structure of the jack assembly, the terminal assembly and the pin assembly are realized, the rapid assembly and disassembly efficiency is improved, and the user experience feeling is enhanced.

The utility model discloses a detachable power socket and an electrical device having the same, the detachable power socket comprises a socket body and conductive pins, the socket body is suitable for being inserted into an installation port, and the socket body is provided with a jack for a power plug to be inserted along a first direction; the conductive pins are arranged on the socket body, extend into the jacks and are used for being electrically connected with a power plug; the socket body is provided with a first side and a second side which are opposite to each other in a second direction, the first direction is perpendicular to the second direction, the first side is provided with an elastic buckle, the second side is provided with a clamping groove, and when the socket body is inserted into an installation opening in electrical equipment, the elastic buckle elastically abuts against the first edge of the installation opening. And the clamping groove is clamped on the second edge of the mounting opening. The detachable power socket and the electrical equipment are convenient to disassemble and maintain, an operator only needs to press down the elastic buckle with fingers, the socket can be easily taken out from the mounting port, and the problem that a traditional lower buckle is difficult to touch is solved.

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing machine bottom thread supply device which comprises a lantern ring body. A plurality of groups of limiting columns are mounted on the side wall of the lantern ring body; a sliding groove is formed in the side wall of the limiting column; the middle of the sliding groove is slidably connected with a limiting plate. The side wall of the limiting plate is fixedly connected with an elastic telescopic rod; the other side wall of the elastic telescopic rod is fixedly connected to the side wall of the sliding groove. A fixing plate is hinged to the side wall of the limiting column; the side wall of the limiting column is fixedly connected with a holding rod; through the arrangement of the elastic telescopic rod and the cooperation of the limiting plate and the fixing plate, the effect that the limiting column is fixed to the side wall of the lantern ring body is improved, and then the using convenience is improved when a worker winds a bottom line on the side wall of the lantern ring body; and the situation that a worker slips out of the hand when winding the bottom line on the side wall of the lantern ring body is reduced.

The utility model discloses a bamboo wood with a hollow structure. The bamboo wood comprises a bamboo wood square brick with a hollow structure, an assembling structure and a fixing structure, the bamboo square brick with the hollow structure comprises a large hollow bamboo tube, a small hollow bamboo tube, surrounding plates, filler and an assembly structure, the hollow large bamboo tube and the hollow small bamboo tube are natural bamboos with cavities, and the hollow large bamboo tube and the hollow small bamboo tube are provided with bamboo natural cavity structures. The device has good sound insulation and noise reduction effects, provides a more comfortable environment for living and working environments, achieves modular assembly and interlocking effects through the alignment protrusions and the alignment grooves, maintains the overall environmental protection characteristic, and also improves the detachability and reusability of a building. The vertical reinforcing bolt holes are uniformly distributed in the filler, so that the best reinforcing effect is achieved. The strength of the bamboo square brick with the hollow structure in the vertical direction is further improved, and the whole structure is more stable and firmer.

The utility model discloses a low-voltage lightning arrester test tool, which comprises a tray main body and a bottom plate, the top end of the bottom plate is provided with a base, an insulating rod is inserted in the base, and the top end of the insulating rod is provided with a copper sheet connecting sheet. According to the utility model, the bottom plate is utilized to complete connection and support with the connecting column, the base is utilized to complete connection and installation of the insulating rod at the top end of the bottom plate, a lightning arrester to be tested is horizontally placed between copper sheet connecting sheet interfaces, a tool high-voltage line is fixed with one side of the copper sheet connecting sheet, and then wiring on a low-voltage side is manually carried out. During testing, high voltage and low voltage of a machine are connected to the copper sheet connecting sheets, then the lightning arrester is placed, so that testing current is supplied to the lightning arrester through the copper sheet connecting sheets to test the lightning arrester, on the basis of conduction of the copper sheet connecting sheets, the copper sheet connecting sheets on the high-voltage side are fixed to be connected with the clamp, and manual taking is not needed any more; and the overall safety is better improved.

The utility model relates to the field of hardware application, and discloses a strip color pendant for linking liquid crystal boards, which comprises a frame, a clamping rod is slidably connected in the frame, a threaded rod is fixedly connected to the top of the outer wall of the clamping rod, a threaded sleeve is in threaded connection to the outer wall of the threaded rod, a sliding sleeve is rotatably connected to the outer wall of the threaded sleeve, and the sliding sleeve is fixedly connected to the top of the outer wall of the clamping rod. And the interior of the sliding sleeve is rotationally connected to the outer wall of the threaded rod, the outer wall of the sliding sleeve is fixedly connected with a connecting base, the interior of the connecting base is rotationally connected with a first connecting rod, and the outer wall of the first connecting rod is rotationally connected with a rotating shaft. According to the strip color pendant, the threaded sleeve is rotated to drive the sliding sleeve to slide on the outer wall of the threaded rod, meanwhile, the supporting plate is pushed to be opened to be connected into an object, then the object is fixed, the problem that most of existing strip color pendants are inconvenient to disassemble and replace the object is solved, the flexibility and convenience of the pendant are improved, and the application range is widened.

The utility model relates to the technical field of positioning jigs, in particular to a positioning jig. Comprising a base, a mounting groove is formed in the base, a positioning column is arranged on the side, away from the mounting groove, of the base, a plurality of first insertion grooves are formed in the base in an inwards-concave mode, and first insertion pins are detachably installed in the first insertion grooves. The device has the effects that the workpiece can be conveniently installed and positioned, and the workpiece machining efficiency is improved.

The utility model relates to a deep foundation pit concrete inner supporting beam stand column pile latticed column reinforcing diagonal bridging node connecting device which comprises a connecting component, and the connecting component is of a vertically-through tubular structure and comprises a first half connecting piece and a second half connecting piece which are equally divided in the front-back direction. The first half connecting piece and the second half connecting piece are rotationally arranged on the latticed column in a sleeving mode and fixedly connected through a connecting structure, the connecting structure is connecting blocks fixed to the front ends and the rear ends of the first half connecting piece and the second half connecting piece, vertically-through connecting holes are formed in the connecting blocks, and fixing pieces are inserted into the connecting holes. A connecting plate is arranged between every two adjacent latticed columns, the ends of the connecting plates are fixedly connected with the connecting structures, and the first half connecting pieces and the second half connecting pieces of the connecting components are fixedly connected with the latticed columns through the connecting structures, so that the joint has higher connecting strength and stability; and the connecting plates arranged between the adjacent latticed columns further strengthen the overall rigidity of the joint.

The utility model relates to the technical field of tunnel annular drainage pipes, and discloses a tunnel annular drainage pipe with a strip heat preservation layer, which comprises an outer wrapping pipe, the inner wall of the outer wrapping pipe is fixedly connected with a connecting support, and the inner wall of a first threaded hole is in threaded connection with a fixing screw. The utility model has the following advantages and effects: when the heat preservation cotton is arranged in the drain pipe, a user aligns the gap of the heat preservation cotton to the connecting bracket on the outer wrapping pipe, connects the push plate with the screw in a threaded manner, drives the cylinder to drive the telescopic rod to stretch out and draw back, the telescopic rod drives the screw to move, and the screw drives the push plate to push the heat preservation cotton to enter the outer wrapping pipe; the drainage pipe is wrapped by the heat preservation cotton, the heat preservation cotton is smoother when entering the outer wrapping pipe through the sliding frame, the working efficiency of the device is improved, the heat preservation cotton is more conveniently installed on the outer wall of the drainage pipe, the heat preservation effect on the drainage pipe is achieved, and the device is more convenient to produce.

The utility model provides a telescopic double parallel rail detection dolly, through adopting adjustable frame structure of flexible adjustment function to solve the problem of track adaptability and insufficient rigidity of equipment in the operation process, and the telescopic double parallel rail detection dolly includes guide wheel, drive wheel and frame body, the guide wheel includes guide wheel wheel body and connecting seat, and the guide wheel wheel body is connected with the connecting seat, and the guide wheel is connected with the crosspiece of frame body through the connecting seat, the drive wheel includes drive wheel wheel body and drive wheel axle, and the drive wheel is installed in the crosspiece center position of frame body, the drive wheel wheel body is embedded with C type steel rail groove part, and the frame body includes telescopic longitudinal rod, crosspiece and arc reinforcing plate, so that the telescopic double parallel rail detection dolly has adjustable spacing, high stability, and the adjustable spacing makes it can adapt to the track of different spacing, and the high stability guarantees to accurately and reliably complete each detection task in the detection process.

The utility model relates to the technical field of diesel pile hammers, and discloses a reinforced cooling water jacket for a diesel pile hammer, which comprises a water jacket main body, the water jacket main body is fixedly connected with a lower cylinder body through a plurality of fixing bolts, and a reinforcing component is arranged between the water jacket main body and the lower cylinder body. The reinforcing assembly comprises a plurality of reinforcing connecting blocks and a plurality of reinforcing protruding blocks, the reinforcing connecting blocks are fixedly connected with the lower air cylinder body, the reinforcing protruding blocks are fixedly connected with the water jacket body, and the two sides of each reinforcing protruding block are each provided with a first springback groove and a second locking groove. According to the water jacket, extra bearing force can be provided for the water jacket body through the reinforcing assembly, partial impact can be shared, the service life of the water jacket body can be prolonged, the impact resistance of the water jacket is improved through the separating assembly, meanwhile, the water jacket body can be detached, and maintenance and use are convenient.

This utility model relates to the field of heating equipment technology and discloses a detachable, weld-free heating radiator, including a heating pipe for connecting to the building's heating system to achieve heat input and circulating water discharge; a heat dissipation component; and a connecting component for quick assembly and connection of the heating pipe and the heat dissipation component. The connecting component includes an upper connecting part and a lower connecting part respectively placed on the upper and lower sides of the heating pipe, and the lower connecting part and the upper connecting part are connected by bolts and nuts. In this utility model, the weld-free connection method, using nuts, bolts, and rubber sealing rings to connect the various components, not only simplifies the manufacturing process but also significantly improves the disassembly and maintainability of the equipment. This design greatly reduces maintenance costs, making disassembly, repair, and replacement of the equipment more convenient and quick, thereby extending the service life of the radiator and improving the economic efficiency of the equipment.

The invention relates to the technical field of rehabilitation training clothes, and discloses a scoliosis rehabilitation training clothes with an air bag self-adaptive adjusting system.The scoliosis rehabilitation training clothes with the air bag self-adaptive adjusting system.The scoliosis rehabilitation training clothes comprise a training clothes body, a controller shell is arranged in the training clothes body, a controller panel is arranged outside the controller shell, and a controller is arranged in the controller panel; a controller panel is arranged in the training clothes body, buttons are arranged outside the controller panel, an electric inflation and deflation device is arranged in the controller shell, a plurality of air pipes are installed in the controller shell, an air valve is arranged in each air pipe, and a plurality of air bag assemblies are installed in the training clothes body. A memory alloy spring is arranged in each air bag assembly. According to the device, the inflation threshold value of each air bag can be automatically calculated and set according to the physical characteristics of different users and the specific condition of scoliosis, independent control is conducted through the electric inflation and deflation device, and differential adjustment of pressure of different parts is achieved.

According to the mining large-specification vertical chain connecting ring, the manufacturing method, the mining chain and the scraper conveyor, the machining technology of forging, rough machining, heat treatment, shot blasting, finish machining, stretching and surface strengthening is adopted, the reliability of the chain connecting ring is improved, and the service life of the chain connecting ring is prolonged. The chain connecting ring comprises a first semi-ring, a second semi-ring and two positioning pins, the first semi-ring and the second semi-ring are oppositely combined to form an annular structure, a first pin hole and a second pin hole are formed in the two ends of the first semi-ring, and a third pin hole and a fourth pin hole are formed in the two ends of the second semi-ring. The first pin hole and the fourth pin hole are concentric, the diameter of the fourth pin hole is larger than that of the first pin hole, the second pin hole and the third pin hole are concentric, the diameter of the second pin hole is larger than that of the third pin hole, and a positioning pin is correspondingly inserted along the fourth pin hole and the first pin hole and inserted along the second pin hole and the third pin hole to fix the first half ring and the second half ring. The first semi-ring and the second semi-ring are matched in a tenon-and-mortise mode to achieve boss and groove installation, and firm connection of the chain connecting ring is guaranteed.

The application provides a boiler inner wall temperature measuring thermal resistance, and belongs to the field of temperature measuring devices, to solve the problem of inconvenient buffering protection of the thermal resistance, comprising a junction box, a wire tube is fixedly connected to the junction box, a connecting plate is fixedly connected to the junction box, the other end of the first spring is fixedly connected to a limiting plate, a clamping block is fixedly connected to the limiting plate, a pull rod is fixedly connected to the limiting plate, a protection tube is fixedly connected to the mounting box, a second spring is fixedly connected in the mounting box, and a support plate is fixedly connected to one end of the second spring. The application is provided with a mounting box; when the protection tube of the equipment collides with the inner wall of the boiler, the installed impact frame can move into the mounting box through the connecting rod extruding the support plate, and the support plate can extrude the second spring, which can buffer and reset the impact frame under the pushing of the second spring, so as to play a protection role and avoid damage caused by impact.

The utility model discloses a filter element assembly and a filter, the filter element assembly comprises: a core cylinder, one end of the core cylinder is connected with a first connecting piece; one end of the elastic piece is rotationally mounted on the first connecting piece; the second connecting piece is arranged at the end, away from the first connecting piece, of the elastic piece, and the elastic piece is fixedly connected with the second connecting piece and drives the second connecting piece to float in the center line direction of the elastic piece; wherein the second connecting piece can be installed on the filter cylinder in an abutting mode, and the end, away from the second connecting piece, of the core cylinder is driven to be installed on the filter cylinder in an abutting mode through the elastic piece. The assembly is convenient and simple, the good adaptability and the automatic adjustment function of the filter cartridges with different lengths are realized after the assembly, and the universality and the replacement convenience of the filter element are obviously improved.