114results about How to "Guaranteed fixed stability" patented technology

The invention relates to the technical field of machining, and provides a positioning and clamping device for a CNC machine. The substrate is mounted in CNC equipment; the supporting piece is installed on the base plate and used for supporting the machining tray. The limiting assembly is arranged on the base plate and used for limiting movement and positioning of the machining tray. The pressing and holding assembly is installed on the base plate and used for pressing and fixing the machining tray, and the pressing and holding assembly can be far away from and close to the machining tray. When the pressing and holding assembly moves towards the machining tray, the pressing and holding assembly enables the machining tray to be tightly pressed on the supporting piece to be fixed. And after the pressing and holding assembly moves away from the machining tray, the pressing and holding assembly is separated from the machining tray, and the machining tray can be moved out of the CNC equipment. The machining tray is limited and positioned through the limiting assembly firstly, it is guaranteed that the machining tray is installed at the accurate position, and the workpiece to be machined is prevented from deviating; and then the machining tray is pressed on the supporting piece through the pressing and holding assembly to be supported and fixed, and the fixing stability of the machining tray is guaranteed.

The invention relates to the technical field of automobile exterior trimming part machining, in particular to a clamping mechanical arm for automobile exterior trimming part machining. Comprising a fixing plate installed at the driving end of the mechanical arm. A rectangular cylinder is fixedly mounted at the lower end of the fixing plate, and a fixing mechanism is arranged in the rectangular cylinder; according to the fixing mechanism, the left-right movement of the D-column exterior trimming panel is limited through the second clamping part, meanwhile, the supporting part is driven to abut against and support the side wall of the D-column exterior trimming panel, so that the stability of the vertical section of the D-column exterior trimming panel in the machining process is improved, then the front-back movement of the D-column exterior trimming panel is limited through the first clamping part, and the movement of the second clamping part is limited; and meanwhile, the suction cups are matched with the first bottom plate and the second bottom plate to limit up-down movement of the D-column exterior trimming plate, so that the stability of the D-column exterior trimming plate can be guaranteed through the operation, and then the follow-up machining quality of the D-column exterior trimming plate is improved.

A sealing structure of a hub bearing comprises a flange plate and a flange outer ring, a sealing assembly is arranged between the flange plate and the flange outer ring and comprises a sealing cover and a sealing ring, the sealing cover rotates along with the flange plate, and the sealing ring is fixed to the flange outer ring and is static relative to the flange plate. A sealing lip in sealing contact with the sealing ring is arranged on the sealing ring in the direction facing the sealing cover, a clamping column is arranged on the flange outer ring, a U-shaped clamping groove is formed in the position, corresponding to the clamping column, of the sealing ring, and an opening of the clamping groove faces the axial direction. And the clamping grooves are matched with the clamping columns so as to prevent the sealing rings from axially and radially deviating in the running process of the hub bearing. The sealing structure has the beneficial effects that the sealing lip is hidden between the sealing cover and the sealing ring, so that the interference of external influence on the sealing lip can be reduced as much as possible through the space design between the sealing cover and the sealing ring; as the sealing lip is in direct contact with the sealing cover, the flange can be prevented from being rusted, and the abrasion influence on the sealing contact part of the sealing lip can be prevented.

The invention discloses intelligent cooling protection equipment for a new energy battery and a use method thereof, and relates to the technical field of new energy batteries, the intelligent cooling protection equipment comprises a protection box body, the top surface of the protection box body is fixedly connected with a box cover shell through bolts, and the left side and the right side of the inner wall of the box cover shell are each provided with a cooling opening; a fixed pressing shell is fixedly connected to the center of the bottom face of the box cover shell, and intelligent temperature control switches are arranged on the left side and the right side of the bottom face of the box cover shell correspondingly. According to the device, intelligent cooling is carried out in time aiming at high temperature in the battery using process, the problem of energy waste of a new energy battery or short circuit of a battery connecting line is avoided, the device has a fixed battery loosening alarm function, surface damage of the battery caused by loosening in the battery using process is avoided, and the service life of the battery is prolonged. The device can solve the problem of danger of spontaneous combustion and explosion of the damaged battery, the use safety of the battery is ensured, the stability of the whole device in the use process can be ensured, and the problem of shaking of the device in the use process is avoided.

The utility model belongs to the field of linear motors, and particularly relates to a linear motor mover and a linear motor thereof, which comprise a mover shell, a motor coil assembly, a driver and an encoder reading head, one end of the motor coil assembly is fixedly connected to the rotor shell, and the other end protrudes out of the rotor shell; the rotor shell is provided with a cavity, the driver is arranged in the cavity, and the driver is electrically connected with the motor coil assembly; according to the linear motor mover, the driver, the encoder reading head and the motor coil assembly are integrated, and compared with a traditional linear motor mover, the number of wires is greatly reduced, the installation structure is simplified, the failure rate is reduced, and the reliability of the motor is improved. Wherein the driver is encapsulated in the cavity of the rotor shell through the pouring sealant, and meanwhile, a connecting line of the driver and the motor coil assembly is also fixed by the pouring sealant, so that the fixing stability of the driver and the connecting line of the driver and the motor coil assembly is ensured.

The utility model relates to the technical field of packaging box processing, in particular to a paper-plastic bowl-shaped packaging box single-side notching device which comprises a workbench, a notching mechanism used for notching a paper-plastic bowl-shaped packaging box single side is arranged on the upper surface of the workbench, and the notching mechanism comprises an air cylinder, a base, a spring, a pressing block, a punch, a product positioning structure, a receding space and a discharging position. A channel for the punch to move is formed in the outer portion of the pressing block, the paper-plastic bowl-shaped packaging box is positioned through the product positioning structure, meanwhile, the pressing block is matched with the spring, the packaging box is fixed before cutting, and due to the fact that the face, close to a product, of the pressing block is machined into the concave curved face matched with the arc face of the upper edge of the product, the product can be conveniently cut. According to the technical scheme, reliable positioning constraint can be formed on a product, large positioning deviation is avoided, the accuracy of the notch position is guaranteed, meanwhile, the punch is arc-shaped, it is guaranteed that cutting force is evenly distributed, continuous and stable cutting can be conveniently achieved, and the risk that the product is damaged is reduced.

The utility model relates to the technical field of crankshaft machining, and provides a quench machining tool for crankshaft machining, which comprises a machining base and a machining platform arranged on the machining base, a plurality of supporting movable rods are arranged between the machining base and the machining platform, a machining seat is arranged on the machining platform, and the machining seat comprises at least two machining heads. The diameters of the at least two processing heads are different; a fixing device is arranged between the bottom of the supporting movable rod and the machining base and comprises a fixing base and a fixing ring arranged above the fixing base, and the fixing base and the fixing ring are connected through a plurality of supporting columns. The fixing ring is arranged outside the supporting movable rods in a sleeving manner and can limit and fix the supporting movable rods with different outer diameters; the machining platform is provided with the two machining heads with different diameters, so that parts with different diameters can be machined at the same time, the supporting movable rod can be rapidly adjusted, locked and fixed, and the use stability of the machining platform in the machining process of a machine tool is kept.

The utility model belongs to the technical field of steering wheel tools, and particularly relates to a steering wheel fixing tool which comprises a connecting frame serving as a connecting base frame, a support connected to the outer side of the connecting frame, a driving component connected with the support and serving as a power source to drive two sets of linkage rod components to act, and the two sets of linkage rod components are both connected with the driving component. A driving motor drives a transmission gear to serve as driving power, two sets of driving arms are driven to act, then a swing arm acts, the steering wheel is fixed through tightening of a clamping base on the swing arm, and the transmission gear drives a threaded lead screw to rotate while clamping and fixing are conducted, so that the steering wheel is clamped and fixed. And the threaded seat moves up and down along the outer side of the threaded lead screw, so that the steering wheel is pressed by applying force in the longitudinal direction through the pressing plate, and the fixing stability is guaranteed.

The utility model discloses a kind of three-station automobile charger hardware shell polishing machine, the utility model relates to lead-acid battery production equipment technical field.The utility model includes frame, and frame is equipped with polishing device, further includes conveying device, guide component, adjusting device, conveying device includes base, two runner, conveying belt, several inserting rods and several connecting seats, the base is fixedly connected with frame, the runner is rotatably connected with frame, the conveying belt is drivingly connected on the outer wall of two runner, several inserting rods are inserted in conveying belt, the inserting rod is fixedly connected with connecting seat;The guide component is connected with connecting seat, for guiding connecting seat;The adjusting device is connected with connecting seat, for fixing shell.The utility model passes through conveying device, solved the problem that shell polishing device is difficult to continuously polish multiple shells, and polishing efficiency is lower.

The utility model relates to the technical field of diaphragm pump sealing, and discloses a diaphragm pump sealing element which comprises a sealing device, the sealing device comprises a first flange plate, a second flange plate, an inserting column, a magnet, a metal plate, a heat insulation plate, a protective steel plate, a waterproof breathable film, a rubber layer, an asphalt coating and a clamping plate, the metal plate is mounted on the side face of the second flange plate; the thermal insulation plate is mounted on the outer side of the second flange plate; the protective steel plate is mounted on the outer side of the thermal insulation plate; the waterproof breathable film is mounted on the side face of the first flange plate; the asphalt coating is mounted on the outer side of the protective steel plate. According to the diaphragm pump sealing piece, the fixing structure is installed on the side face of the first flange plate, the practicability of the whole device is improved, the protection structure is installed on the outer side of the second flange plate, and the service life of the whole device is prolonged.

The utility model relates to a motor with a brake, in particular to an external brake rectifier fixing structure for a motor. An external brake rectifier fixing structure for a motor comprises a box body used for containing rectifier electric parts, one end, extending out of a machine shell, of a rotating shaft of the motor is provided with a brake in a matched mode, the brake side of the machine shell is provided with a brake cover cap, and the end portion of the brake cover cap and the end portion of the machine shell are sleeved with each other and fixed through at least three fastening screws. Three fastening screws are arranged in the box body, one of the three fastening screws penetrates through the box body and the circuit board at the same time, the side wall, making contact with the machine shell or the brake cover shell, of the box body is provided with a positioning part extending in the side direction, and when the box body is fixed to the machine shell and the brake cover, the positioning part makes contact with the end face of the brake cover or the axial end face of the machine shell. The utility model has the advantages that the fixing stability of the rectifier box body can be ensured, and the assembly is convenient.

The utility model discloses a kind of welding machine tank fixing devices, including the positioning frame matched with the height of tank body, positioning frame is fixed on support plate, two groups of first limiting parts are provided on positioning frame, two groups of first limiting part are respectively from upper and lower two sides to tank body limiting, second limiting part that tank body bottom is also provided on support plate is limited;By setting support plate, support is provided to tank body, the height of positioning frame is equivalent to tank body, to increase the contact area that tank body is attached to positioning frame, positioning frame itself plays the supporting limiting effect to tank body, the two groups of first limiting parts of the upper and lower sides of positioning frame are set, connect between tank body and positioning frame from the two ends of tank body, increase limiting point, improve the fixing effect to tank body, additionally, the relative position between the bottom end of tank body and support plate is further fixed by setting second limiting part on support plate, guarantee the fixing stability of tank body.

The utility model relates to the technical field of gas construction, and discloses a gas pipeline suspension protection tool, which comprises a top plate, a gas pipeline, a gas pipeline and a gas pipeline, the lifting assembly comprises a mounting frame and a connecting plate, the mounting frame is fixedly connected to the bottom of the top plate, and the connecting plate is movably mounted on the mounting frame; and the suspension assembly comprises a supporting pipe base used for supporting the gas pipeline and a pressing plate used for pressing the gas pipeline, the supporting pipe base is fixedly installed at the bottom of the connecting plate, and the pressing plate is movably installed on the connecting plate. After the device is mounted, the connecting plate can be adjusted to slide between the mounting frames, the connecting plate is fixed through the matching effect of the limiting blocks and the limiting grooves, meanwhile, the limiting blocks are attracted to the mounting frames through the magnets, the fixing stability of the connecting plate is further guaranteed, the limiting blocks are prevented from being disengaged from the limiting grooves, and therefore the overall height of the device is adjustable; and pipeline suspension installation is facilitated, and the situation that the connection effect between pipelines is affected by installation errors is avoided.

The utility model discloses an axial -flow type smoke exhaust fan, including first casing, first casing one side is provided with second casing, first casing is provided with third casing away from second casing one side, first casing inside fixed setting has the mounting bracket, the inboard middle part of mounting bracket is swingly provided with the impeller through the pivot, the one end fixed setting of impeller place pivot has transmission sleeve, the surface middle part fixed setting of impeller has first transmission block, first transmission block, transmission sleeve and impeller have common rotation center, second casing inside fixed setting has motor, the power output shaft end fixed setting of motor has second transmission block. The utility model for use effect is good, carries out modularization design to motor, impeller part, so can be more convenient when overhauling replacement, also can be convenient according to need series connection multiple impellers and use, so can improve the use effect of this device and the scope of application significantly.

The utility model discloses an AC array cabinet convenient for maintenance, which comprises a cabinet body, the cabinet body is installed on external equipment, the cabinet body is provided with a dismounting mechanism, the dismounting mechanism comprises a protection plate, an insertion rod, a fixing sleeve, a threaded sleeve, a pressure spring, a one-way sheet, a clamping head, a bearing mechanism and a wire clamping mechanism, the protection plate is attached to the side wall of the cabinet body, and the insertion rod is fixed on the side wall of the cabinet body. The insertion rods are installed on the cabinet body, the protection plate is slidably connected to the insertion rods, the fixing sleeve is in threaded connection with a threaded sleeve, the threaded sleeve is provided with a plurality of compressed springs, the compressed springs are provided with round heads, the round heads abut against the protection plate, the compressed springs abut against the protection plate through the round heads, and the fixing stability is guaranteed. Tools are not needed, operation is fast and convenient, and maintenance efficiency is improved.

The present invention provides a rotor, a motor and a brushless motor that can ensure the fixation stability of permanent magnets and suppress the increase of magnetic field strain. The rotor includes a rotor core, a permanent magnet, and a protrusion. The protrusion protrudes radially outward between the adjacent permanent magnets in the circumferential direction on the outer peripheral surface of the rotor core. The orientation of the permanent magnet is a parallel orientation in which the easy magnetization direction becomes a direction parallel to the radial direction of the central part of the permanent magnet. The circumferential side surface of the permanent magnet contacts the protrusion in the circumferential direction. The connecting surface of the permanent magnet is connected to the circumferential side surface and the radial outer peripheral surface. The position of the front end of the protrusion in the protruding direction is arranged in the range between the central part of the circumferential side surface in the protruding direction and the intersecting ridge part of the circumferential side surface and the connecting surface.

This utility model belongs to the field of space capsule construction technology, and in particular to a prefabricated hybrid structure for a prefabricated space capsule. It includes a central docking section, with a first prefabricated module and a second prefabricated module on both sides of the central docking section. Both the first and second prefabricated modules include a prefabricated floor slab and a prefabricated top slab. A prefabricated side slab is located between the floor slab and the top slab. An upper pipeline docking compartment and a lower pipeline docking compartment are respectively located on the inner top and bottom of the central docking section. Pipeline receiving grooves are located on the inner top of the floor slab and the inner bottom of the top slab. Pipeline collection compartments are located on both inner walls of the central docking section. The two sets of pipeline collection compartments are connected to the upper and lower pipeline docking compartments, respectively. This device improves the convenience of pipeline routing within the building and the convenience of subsequent pipeline maintenance. The central docking section, the first prefabricated module, and the second prefabricated module can be quickly and securely docked and fixed, improving assembly efficiency.

The application belongs to the field of wind power generation, and particularly relates to a small micro-wind wind power generation device, which comprises a fixed shaft, a rotating shaft sleeve, a magnetic floating bearing assembly, a blade assembly and a generator; the rotating shaft sleeve is coaxially arranged on the fixed shaft; the magnetic floating bearing assembly comprises an axial magnetic floating bearing and two radial magnetic floating bearings; the stators of the axial magnetic floating bearing and the radial magnetic floating bearings are fixedly connected with the fixed shaft, and the rotors are fixedly connected with the rotating shaft sleeve. The magnetic floating bearing assembly realizes the rotating cooperation of the fixed shaft and the rotating shaft sleeve, and the stators of the axial magnetic floating bearing and the two radial magnetic floating bearings, the rotating shaft sleeve and the fixed shaft are arranged in gaps in sequence, which can ensure the fixing stability of the stators in the axial magnetic floating bearing and the radial magnetic floating bearings on one hand, and can ensure the relatively closed position of the rotors in the axial magnetic floating bearing and the radial magnetic floating bearings and the rotating shaft sleeve on the other hand, while ensuring the lightweight structure of the rotors and the rotating shaft sleeve and reducing the wind power loss.

The utility model provides a high-precision adjusting type fixed supporting structure for door and window installation, which relates to the technical field of door and window installation and comprises a main rod used for being installed on a wall surface in an attached mode. The middle plate is vertically arranged on the main rod and is used for being inserted into a gap between a door window and a wall surface; the abutting plate is slidably arranged on the main rod in the length direction of the main rod so as to abut against the side wall of the door window. The pressing plate is arranged on the main rod in a sliding mode in the length direction of the main rod so as to be pressed on a door and window. The driving part is used for driving the abutting plate and the pressing plate to be close to or away from the middle plate and to be fixed to the moved position. The utility model discloses can improve the installation accuracy of door and window, enhance the stability of door and window support, and have the advantage of reusability and stronger adaptability.

The utility model discloses a head sensor mounting device for a whole vehicle thermal management test in an environment bin, which relates to the technical field of whole vehicle thermal management tests and comprises a base plate, a fixing structure is fixedly mounted on the rear portion of the base plate, and an adjusting structure is fixedly mounted on the front portion of the base plate. A sensor body is fixedly installed on the front portion of the adjusting structure, the fixing structure comprises two supports, and the front portions of the two supports are in sliding connection with the left-right positions of the upper portion and the lower portion of the base plate. According to the head sensor mounting device for the whole vehicle thermal management test in the environment bin, through the effect of the fixing structure, the head sensor mounting device for the whole vehicle thermal management test can be adjusted according to headrests of different vehicles, so that the mounting effect of the sensor body is ensured; the straight face of the ratchet wheel and the straight face of the limiting rod extrude each other to clamp the ratchet wheel, so that the ratchet wheel is prevented from retreating, and the fixing stability of the head sensor mounting device for the thermal management test of the whole vehicle is ensured.

The utility model relates to a lamp function module installation structure and a lamp, the function module installation structure comprises an installation substrate and a function module, and two opposite side walls of a main body of the function module are both provided with elastic buckles extending downwards. A movable gap for the corresponding elastic buckle to elastically swing in the transverse direction is formed between each elastic buckle and the side wall of the main body of the functional module, the bottom of each elastic buckle is further provided with a buckle part protruding in the transverse direction, and a limiting hole is formed in the installation base plate. Each elastic buckle is pressed by external force, swings for a set distance along the transverse direction relative to the main body of the functional module, and then can penetrate through the corresponding limiting hole downwards, and after the external force is released to press each elastic buckle, each elastic buckle is reset to an initial position, so that the buckle part of each elastic buckle is limited below the peripheral edge of the corresponding limiting hole of the mounting substrate. The mounting structure has the advantages that the mounting structure is few in related parts and low in production cost, and a user can more conveniently disassemble and assemble the functional modules.

The utility model relates to a centrifuge tube rack which comprises a base, and inclined fixing parts and horizontal spacing parts which are arranged on the base, the inclined fixing parts and the horizontal spacing parts are alternately distributed and are integrally in a step shape, and fixing holes matched with centrifuge tubes in shape are formed in the inclined fixing parts. The center axes of the fixing holes are perpendicular to the plane where the horizontal spacing parts are located, and the diameters of the fixing holes located in the same inclined fixing parts are the same. Compared with the prior art, the utility model has the advantages that the arrangement regularity of the centrifugal tubes is stronger, the risk of taking the centrifugal tubes by mistake is reduced, and the like.

The utility model discloses a green building engineering electromechanical pipeline installation device, and relates to the technical field of electromechanical pipeline installation. Comprising a mounting plate, through holes are formed in the two sides of the mounting plate in a penetrating mode, a mounting box body is fixedly connected to the center of the bottom end of the mounting plate, a plurality of supporting legs are welded to the edge of the surface of the bottom end of the mounting plate and are symmetrically arranged, and a sliding groove is formed in one side of the mounting box body; and a pipeline stabilizing mechanism is mounted in the mounting box body. According to the pipeline straightening device, a pipeline is placed between the first mounting block and the second mounting block, the rear hydraulic rod operates to drive the connecting base to move, and under the action of the rotating frame, the connecting plates on the two sides do expansion motion, so that the first mounting block and the second mounting block straighten the pipeline; the pipeline can be prevented from loosening, shaking or displacing in the using process, and the safety and reliability of the pipeline are improved.

The utility model relates to the field of automobile part devices, and discloses a ground mat convenient to clean, which comprises a storage mechanism, a dismounting mechanism is arranged at the upper end of the storage mechanism, a fixing mechanism is arranged at the lower end of the storage mechanism, the dismounting mechanism comprises a replacement layer, a plurality of round holes are formed in the upper end of the replacement layer, and the fixing mechanism is arranged on the replacement layer. A plurality of fixing pads are fixedly arranged at the upper end of the replacement layer, a plurality of cloth curtains are fixedly arranged at the upper end of the replacement layer, the storage mechanism comprises a filter layer and a protective layer, a fixing layer is fixedly arranged at the upper end of the filter layer, a water storage layer is fixedly arranged at the lower end of the filter layer, and the fixing mechanism comprises a connecting layer. And a plurality of suckers are fixedly arranged at the lower end of the connecting layer. According to the floor mat, the dismounting mechanism, the storage mechanism and the fixing mechanism are arranged in the floor mat, the dismounting mechanism can be temporarily dismounted for replacement, the storage mechanism can temporarily store some dirt, and the fixing mechanism improves the stability of the floor mat through double fixation.

The invention discloses a portable multi-pathogen nucleic acid rapid detection method and detector based on CRISPR biosensing, and relates to the technical field of nucleic acid detection.The detector comprises a containing box, a bottom plate is fixed in the box, a first supporting seat, a second supporting seat and a computer module are arranged on the bottom plate, the first supporting seat is rotationally connected with a chip mounting assembly, and the chip mounting assembly is rotationally connected with a chip. The chip installation assembly is provided with a micro-fluidic chip, multi-state locking of the chip installation assembly is achieved through the locking piece and the second supporting base, and the computer module is provided with an adjustable display assembly in a matched mode. According to the detection method, multi-point transportation is achieved through the folded and stored detector, samples are processed through the micro-fluidic chip after the detector is unfolded, and nucleic acid amplification, detection and result display are completed in combination with the optical detection and heating module and the computer module. The device is regular in structure, convenient to transport, flexible to operate, stable in detection and suitable for on-site and multi-point nucleic acid detection scenes, and the detection efficiency and applicability are effectively improved.

The utility model discloses a casting mold fixing frame which comprises a fixing frame body, and the bottom of the fixing frame body is fixedly connected with a heightening support. The fixing assembly comprises two strip-shaped limiting holes formed in the fixing frame, supporting rods are slidably connected into the two strip-shaped limiting holes, a fixing frame is fixedly connected to the upper ends of the supporting rods, a lateral fixing part is arranged on the fixing frame, and a fixing driving part is arranged at the bottom of the fixing frame. The casting mold fixing frame has the advantages that the casting mold can be fully fixed in multiple directions through the fixing frame and the lateral clamping plates, so that the fixing stability of the fixing frame to the casting mold is guaranteed, the casting mold fixing frame can be suitable for abutting and fixing casting molds of different heights and sizes, and the application range of the casting mold fixing frame is widened.

The utility model discloses a power utilization device. The power utilization device comprises a supporting plate arranged between a battery column and a bottom plate; the supporting plate comprises a bearing part abutting against the bottom of the battery column and reinforcing structures arranged at the two ends of the bearing part in the X direction. The reinforcing structure includes a top plate portion located relatively below the end plate and adapted to support the end plate; the inner side plate part and the outer side plate part are connected to the two ends of the top plate part in the X direction, and the inner side plate part is connected between the top plate part and the bearing part; the outer side plate part is connected with one end, far away from the inner side plate part, of the top plate part, is spaced from the side plate, and one end, far away from the top plate part, of the outer side plate part abuts against the bottom plate; the size of the top plate part in the X direction is defined as a, the distance between the outer edge plate part and the side plate is defined as b, and a / b is larger than or equal to 0.5 and smaller than or equal to 1. According to the power utilization device provided by the utility model, the space utilization rate in the power utilization device is ensured, the area of the air cooling channel is ensured, and the supporting plate is ensured to have enough supporting strength.

The utility model relates to the technical field of moxibustion tanks, in particular to a moxibustion tank. The moxibustion tank comprises a tank body and a moxa cone assembly. A first cavity with a first opening is formed in the tank body, and a first magnetic attraction piece is arranged in the first cavity; the moxa cone assembly comprises an outer sleeve body, a moxa cone and a second magnetic part, one end of the outer sleeve body is open, the moxa cone is fixed in the outer sleeve body, and the second magnetic part is installed at the end, away from the opening, of the outer sleeve body; one of the first magnetic attraction piece and the second magnetic attraction piece is a magnet, and the other one is a magnet or a metal piece capable of being magnetically attracted with the magnet. The first magnetic part and the second magnetic part are magnetically attracted so that the moxa cone assembly can be installed in the first cavity. According to the moxa cone assembly, the mutual adsorption effect of the magnets or the magnetic attraction metal pieces is utilized, rapid and stable installation of the moxa cone assembly is achieved, the convenience of user operation is remarkably improved, meanwhile, the fixing stability of a moxa cone in the moxibustion process is ensured, and the problem that moxa sticks shift or fall off is solved.

This utility model discloses a fan duct positioning device for ventilation equipment, relating to the field of fan duct positioning technology. It includes a fan duct body, on one side surface of which a first snap-fit ​​mounting plate and a second snap-fit ​​mounting plate are detachably mounted. A connecting block is fixedly mounted on one side surface of the top of the first snap-fit ​​mounting plate, and a pin head is fixedly connected to one side top surface of the connecting block. A first locking connection hole is formed on one side surface of the pin head. By setting the first and second snap-fit ​​mounting plates to directly fit against one side surface of the fan duct body, the pin head is directly inserted into the pin slot, at which point the first and second locking connection holes are directly aligned. A fixing screw is directly inserted into the first and second locking connection holes to achieve a fixed operation, ensuring stable fixation between the pin head and the limiting box, thereby achieving a direct fixed connection between the connecting block and the limiting box.

The utility model relates to the technical field of clamps for silicon core tube tests, in particular to a special clamp for a silicon core tube pull-out test, which comprises an outer ring sleeve and an inner clamp body, a gasket and a toothed ring are arranged at the top end of the outer ring sleeve, a threaded layer and a connecting mechanism are arranged on the inner clamp body, a conical ring is arranged at one end of the inner clamp body, and a threaded layer is arranged at the other end of the inner clamp body. A nut is arranged on the threaded layer, a fastening box is arranged on the nut, a fastening hole is formed in the top end of the fastening box, a fastening groove is formed between the fastening hole and the interior of the fastening box, a fastening column is arranged on the fastening hole, and a fastening plate is arranged between the fastening groove and the fastening column; according to the structure, after the nut is fixed, the elastic component can also provide a continuous supporting effect, the nut is prevented from loosening due to vibration or external force influence, and the fixing firmness of the silicon core pipe in the whole detection process is ensured.