897 results about "Screw fixation" patented technology

The invention discloses a venue building fire automatic early warning construction integrated device and a using method. The venue building fire automatic early warning construction integrated device comprises a mounting base, a shell is arranged at the lower end of the mounting base, an air inlet cover is arranged in the center of the lower end of the shell, a filter screen is fixedly mounted at the position, close to the bottom, of the surface of the air inlet cover, and the upper end of the air inlet cover penetrates into the shell. According to the automatic early warning construction integrated device for the venue building fire, through the scheme of the mounting base, the rotating column, a second gear, a third gear, a threaded rod, a threaded plate, a clamping plate, a connecting block, a clamping groove, a clamping block and a rotating button, an operator rotates the rotating button, and then the second gear can be meshed with the second gear to drive the threaded rod to rotate; the two threaded plates can horizontally move oppositely or oppositely, so that the clamping blocks on the clamping plates are driven to be tightly combined with or separated from the clamping grooves, the mounting and dismounting steps are simplified, and the complexity caused by a traditional screw fixing mode is avoided.

An air outlet cover of a range hood comprises a cover body and a connecting ring installed at the top of the cover body, locking buckles are inwards arranged on the upper portion of the inner circumferential wall of the cover body in a protruding mode and distributed at intervals in the circumferential direction of the inner circumferential wall of the cover body, clamping buckles matched with the locking buckles are arranged on the outer circumferential wall of the connecting ring, and the connecting ring is matched with the cover body in a rotating and locking mode. The buckle is provided with an anti-loose convex rib and a limiting rib, the anti-loose convex rib is arranged on the front side of the limiting rib in the clamping-in direction of the buckle, the locking buckle is provided with an anti-loose blocking rib, and the anti-loose blocking rib is limited between the anti-loose convex rib and the limiting rib in the state that the connecting ring and the cover body are assembled. The connecting ring and the cover body of the air outlet cover adopt a rotary locking matching structure, screw fixation is not needed, after-sale installation and disassembly are convenient, when the connecting ring is rotated and fixed in place, the limiting rib of the connecting ring makes contact with the front end of the air outlet cover locking buckle, the connecting ring is prevented from further rotating, and the air outlet cover anti-loosening blocking rib is located between the connecting ring limiting rib and the connecting ring anti-loosening convex rib, so that the connecting ring is prevented from loosening. And the connecting ring is prevented from anticlockwise rotating and loosening under the action of small external force.

The continuous bevel saw cutting equipment comprises a rack, a first limiting strip is fixedly installed on the left side of the rack, a continuous cutting device for cutting an L-shaped square pipe is arranged on the rear side of the first limiting strip, a second limiting strip is arranged on the front side of the first limiting strip, and the second limiting strip is fixedly installed on the left side of the rack. The second limiting strip is fixedly installed on the left side of the rack, a first air cylinder is arranged on the left side of the second limiting strip and fixedly installed on the left side of the rack through a fixing screw, and a pressing plate used for pressing the L-shaped square pipe is fixedly installed at the output end of the first air cylinder. And a discharging device for continuously discharging the cut L-shaped square pipes is arranged on the right side of the continuous cutting device. By means of the mode, the square pipes can be continuously fed, waste and finished products can be rapidly discharged in a separated mode after the square pipes are cut, the square pipes can be rapidly fixed in multiple directions, and the production efficiency is high.

The utility model discloses a high-efficiency rotary type suspension ball filler with a good aeration effect, which comprises an upper hemisphere and a lower hemisphere, a first fixed chuck is arranged on the outer side surface of the upper hemisphere, and a second fixed chuck is arranged on the outer side surface of the lower hemisphere. The first fixing chuck and the second fixing chuck are fixedly connected through a hexagonal screw, the upper end surface of the first fixing chuck is fixedly connected with a blade structure through a screw, the upper end surface of the blade structure is coated with a first smooth coating structure, and the lower end surface of the blade structure is coated with a second smooth coating structure. And a streamline curved surface structure is arranged on the surface of the blade structure. According to the utility model, a plurality of blade structures are arranged outside the suspended ball filler structure, and the blades are subjected to multifunctional design protection, so that the rotating effect of the suspended ball filler is better during aeration, a biological layer on an internal sponge block can be conveniently and quickly dropped, and the suspended ball filler has the advantages of good degradation effect and high sewage purification efficiency.

The pole piece slitting equipment comprises an upper cutter set and a lower cutter set, at least one of the upper cutter set and the lower cutter set comprises a cutter rotary part, a cutter sleeve and a cutter, and the cutter is annularly arranged on the cutter sleeve; the periphery of the cutter screw comprises a thread area and a non-thread area adjacent to the thread area in the axial direction of the cutter screw. Threads are formed in the inner circumference of the cutter sleeve in the axial direction, the cutter sleeve is arranged on the outer circumference of the cutter screw in a sleeving mode, partial area of the inner circumference of the cutter sleeve is in clamping fit with the non-thread area of the cutter screw, and the remaining area of the inner circumference of the cutter sleeve is in thread fit with the thread area of the cutter screw; when the cutter rotates in a rotating state, the cutter sleeve can move in the axial direction of the threaded area so that the cutter leaning amount of the upper cutter set and the lower cutter set can be adjusted. According to the pole piece slitting equipment, the non-threaded area is in clamping fit with the cutter sleeve, the threaded area of the cutter is beneficial to driving the cutter sleeve to move in the rotating state of the cutter, screw fixing is not needed, manual screw dismounting is not needed, operation is easy, the cutter leaning amount can be reliably adjusted, and meanwhile production efficiency can be improved.

The invention provides a stranding machine for cable manufacturing, and relates to the technical field of cable manufacturing, the stranding machine comprises a pay-off module, a stranding module and a wire outgoing module, the pay-off module comprises a rack, a fixed plate is fixed on the rack, a driving motor is installed on one side of the fixed plate, a rotatable rotating plate is arranged on the other side of the fixed plate, and the driving motor is connected with the driving motor. And an output shaft of the driving motor is connected with a rotating plate, and a plurality of pay-off assemblies are arranged on the rotating plate. An elastic clamping structure of the lock rod and the inserting groove is used for replacing traditional screw fixation, during disassembly, only the position of the sliding plate needs to be adjusted, the push rod is matched with the sliding plate, the lock rod is driven to contract through the connecting rod, the wheel shaft automatically falls off under the gravity effect, reverse operation is carried out during installation, manual contact with the lock rod is not needed in the whole process, and rapid disassembly of the multiple winding rollers is achieved; the mode does not need tools, is convenient and fast, obviously shortens the shutdown time of the machine due to replacement of the winding roller, and ensures the working efficiency of the device.

The utility model provides a laser three-dimensional cutting head, which relates to the technical field of laser cutting and comprises a cutting head body, two groups of mounting plates are fixedly mounted on two sides of the outer wall of the cutting head body through screws, an extension frame is welded on one side of the outer wall of each of the two groups of mounting plates, and an electric telescopic rod is fixedly inserted into the top of the extension frame. A lifting block is fixedly installed at the output end of the electric telescopic rod, a rotating block is movably inserted into the inner surface wall of the lifting block, a suction head moves to the position close to a spray head of the cutting head body, then a dust suction device is started, generated dust can be adsorbed, and dust accumulation is further prevented. The electric telescopic rod is directly used for moving the lifting block into the extension frame, and then it can be guaranteed that the lifting block cannot affect work of the cutting head body, so that the effect that the cutting head body can work normally can be guaranteed while dust prevention is achieved.

The utility model discloses a power-assisted plugging device for an SSD box, and the device comprises a pedestal, the top of one side of the pedestal is fixedly provided with two fixing screws, one side in the pedestal is fixedly provided with a first screw, the surface of the first screw is sleeved with a button block, and a first torsion spring is connected between the button block and the first screw in a clamping manner. A button block is arranged on one side of the base, a screw fixing opening is fixedly formed in the other side of the base, a second screw is fixedly arranged in the screw fixing opening, a movable clamping block is arranged on the surface of the second screw in a sleeving mode, and one end of the movable clamping block makes contact with one end of the button block. The power-assisted plugging structure is simple, the main body is composed of the base, the first torsion spring, the second torsion spring and other part structures, the equipment is attractive in appearance, the power-assisted plugging function is stable, the composition manufacturing cost is low, and the product production cost can be reduced.

The invention provides a perforated brick production mold, and belongs to the technical field of perforated brick processing. Comprising a U-shaped fixing plate, one end of the U-shaped fixing plate is inserted into the inner wall of the inserting groove, the other end of the U-shaped fixing plate is fixedly connected with a first fixing plate through a screw, a second fixing plate is fixedly connected to the outer portion of one side of the first fixing plate, and a first round hole groove is formed in the outer wall of the top of the first fixing plate; the end, away from the first fixing plate, of the second fixing plate is fixedly connected with a third fixing plate. By arranging the rotating assembly, the knocking column on the inner wall of the large hole column can be knocked during rotation, so that the large hole column drives the small hole column to shake, bubbles in a concrete mixture in the fixed mold are discharged through vibration generated by cooperation of the knocking column and the small hole column, and meanwhile collapse generated by bubble discharging at the top of the mixture is rolled to be flat.

The utility model discloses a prostate puncture ultrasonic probe fixing and adjusting device, which relates to the field of adjusting devices and comprises a probe rotating and fixing mechanism used for mounting an ultrasonic probe and a multi-axis fine adjustment mechanism connected with the probe rotating and fixing mechanism and used for adjusting the ultrasonic probe. The multi-axis fine adjustment mechanism comprises an axial adjustment assembly, a ball head adjustment assembly and a fixing mechanism installation assembly, and the axial adjustment assembly comprises a Z-axis adjustment component and an X-axis and Y-axis adjustment component installed on the Z-axis adjustment component. By arranging the multi-axis fine adjustment mechanism and the probe rotating and fixing mechanism, the existing structure is optimized, the probe rotating and fixing mechanism uses a probe locking nut to firmly press a probe and the probe rotating and fixing mechanism together, and the problems that in original installation, a screw needs to be screwed manually for fixation, and the loosening risk exists are solved. And the part without sharp protrusion does not scratch a patient during use.

The invention relates to a laser cutting head focus lens set centering device which effectively solves the problems that traditional manual centering operation is tedious, and precision depends on personnel experience. The device is mainly composed of a lens assembly, an adjusting mechanism and a driving assembly. The lens assembly is fixed on the adjusting mechanism moving seat through a specific screw. In the adjusting mechanism, a transmission shaft is in threaded connection with a centering panel through a threaded nesting sleeve, a front-end semi-sphere is matched with a polymer nesting sleeve, and flexible rotation and jamming prevention are ensured under the fixing of a polymer gland; the guide block and the positioning pin cooperate to limit deflection of the moving seat. The electric drive assembly is connected with a transmission shaft through a motor connecting base and an inner hexagonal pipe sleeve to achieve automatic centering. And the manual adjusting knob is fixed on the transmission shaft through a stop screw to realize manual operation. The structure design is ingenious, the adjusting modes can be flexibly switched according to requirements, the lens centering efficiency and precision are remarkably improved, and the laser cutting quality is powerfully guaranteed.

The utility model relates to a contact lens bionic rubbing device which comprises a base, the top of the base is fixedly connected with a supporting plate, the right side of the supporting plate is fixedly connected with a limiting frame through a screw, a motor is arranged in the limiting frame, and the bottom of an output shaft of the motor is fixedly connected with an eccentric wheel. A limiting piece and a positioning screw are arranged at the bottom of the eccentric wheel, a fixing seat is fixedly connected to the bottom of the limiting piece, and a rubbing-imitating block is fixedly connected to the bottom of the fixing seat. According to the bionic rubbing device for the contact lens, the rotation frequency, speed, angle and timing start and stop of the motor are set through the controller, so that the rubbing-imitating blocks rotate to imitate hand rubbing actions, and the rubbing operation of the lens is measurable; therefore, reproducible nursing operation can be provided for lens rubbing nursing, the material strength of a contact lens product in the using process is evaluated, the dye firmness of a color contact lens is evaluated, and the cleaning capacity of related nursing products is evaluated.

The utility model belongs to the technical field of mold demolding, and particularly relates to an adjustable spraying device and industrial mold demolding equipment. The spraying device comprises a fixed support and a spray head body, a plurality of longitudinal guide columns are vertically fixed in the fixed support, a plurality of transverse guide columns are arranged on the longitudinal guide columns in a staggered mode, and the transverse guide columns and the longitudinal guide columns are each sleeved with a plurality of mounting rods; one side of the mounting rod is in threaded connection with a fixing screw and is fixed on the transverse guide column and the longitudinal guide column through the fixing screw, and the other side of the mounting rod is in threaded connection with one end of the spray head body. The number of the spray head bodies can be freely adjusted according to the actual size of a mold, so that the spray head bodies are more flexible and variable in installation, the angles of the spray head bodies can be freely adjusted according to a special-shaped cavity of the mold, the spraying uniformity of a release agent is accurately controlled, the quality of produced products is guaranteed, and the production efficiency is improved. And the technical requirements of industrial mold demolding are met.

The utility model discloses a kind of foldable protection devices, specifically related to prefabricated stair protection technical field, including multiple kick panels and tread panels, kick panel and tread panel are sequentially arranged distribution from left to right, and the outer side of tread panel is fixedly connected with positioning mechanism;Positioning mechanism two fixed plates, the outer side of fixed plate is rotatably connected with positioning box, the inner side of positioning box is slidably connected with clamping block, one clamping block bottom is fixedly connected with bandage one, another clamping block bottom is fixedly connected with bandage two, the inner side of clamping block is fixedly connected with spring.The utility model is positioned to multiple tread panels by ratchet buckle and bandage, so that protection device formed by kick panel and tread panel can be stably attached with prefabricated stair, without screw fixing, reduce damage to stair surface, facilitate quick installation and removal;Kick panel and tread panel give consideration to the protection of tread and kick panel, provide comprehensive protection, and device can be repeatedly disassembled and used, improve applicability and installation efficiency.

The utility model discloses a connecting and clamping arm telescopic structure of a headphone, which comprises a connecting seat fixed at the end part of a connecting and clamping arm and provided with a first stroke limiting hole, and the connecting and clamping arm is provided with a second stroke limiting hole; the elastic sheet is arranged on the inner side of the lower end of the connecting seat, and a convex part protruding outwards is formed on the elastic sheet; a gear clamping groove matched with the convex part of the elastic sheet is formed in the inner side of the telescopic seat; the decorative cover is provided with a screw hole column, the screw hole column penetrates through the second stroke limiting hole and the first stroke limiting hole to be in butt joint with the counter bore of the telescopic base and is fixed through a first screw, so that the decorative cover and the telescopic base are installed outside the connecting base in a wrapping and clamping mode and can slide in a telescopic mode, and the screw hole column, the first stroke limiting hole and the second stroke limiting hole form a telescopic anti-disengaging structure; an anti-falling function can be realized; and the swing seat is arranged at the lower end of the telescopic seat and can swing in the vertical direction, and a connector of the swing seat is connected with the earphone main body, so that the earphone main body can swing in the vertical direction to automatically adjust the angle so as to be suitable for wearing of different head types, and the comfort is improved.

The application provides a stranding machine for cable manufacturing, and relates to the technical field of cable manufacturing.The stranding machine comprises a pay-off module, a stranding module and a wire outlet module.The pay-off module comprises a rack, a fixed plate is fixed on the rack, a drive motor is installed on one side of the fixed plate, a rotatable rotating plate is arranged on the other side of the fixed plate, an output shaft of the drive motor is connected with the rotating plate, and a plurality of pay-off assemblies are arranged on the rotating plate.The elastic clamping structure of the lock rod and the slot is used to replace the traditional screw fixation, when disassembling, only the position of the sliding plate needs to be adjusted, the push rod is matched with the sliding plate, the lock rod is driven to shrink through the connecting rod, the axle is automatically separated under the action of gravity, and reverse operation can be performed during installation, manual contact with the lock rod is not needed during the whole process, the plurality of winding rollers can be quickly disassembled, the method does not need tools, is convenient and fast, the downtime of the machine due to the replacement of the winding rollers is significantly shortened, and the working efficiency of the device is ensured.

This utility model discloses a novel fixed-base adhesive concealed box, comprising an integrally molded junction box body. The upper sidewalls of the junction box body have socket holes, and the upper end of the junction box body has an outwardly extending reinforcing port. Pre-embedded fixing holes are located at the four corners of the reinforcing port. The bottom of the junction box body has four shallow groove punched holes, and the lower part of the sidewalls of the junction box body has two shallow groove punched holes evenly distributed on each side. This utility model, through the integral molding of the junction box body and the multiple shallow groove punched holes on the sidewalls and bottom, meets the requirement of simultaneously pre-embedding multiple conduits. Furthermore, the pre-embedded fixing holes allow for direct screw fixation to the casting template, solving the problem of inconvenient pre-embedding in ordinary adhesive concealed boxes. Reinforcing ribs are provided between the reinforcing port and the sidewalls of the junction box body, effectively preventing the adhesive concealed box from easily breaking during pre-embedding.

The utility model relates to a kiln tail cloth bag dust collection device, which aims at solving the technical problem that the operation is not convenient enough when a cloth bag is replaced due to screw fixation when a plurality of connecting rings and mounting plates are arranged at the top end of the current cloth bag, and comprises a cloth bag dust collector body and a dust collection structure, a plurality of dust removal structures are sequentially arranged in the bag-type dust remover body; the dust removal structure comprises a cloth bag; the top end of the cloth bag is in butt joint with a round hole in a mounting plate fixed at the top in the cloth bag dust collector body through a positioning assembly; the positioning assembly comprises a fixed ring, a connecting ring, a movable plate and a positioning block; the fixing ring is fixedly arranged on the upper top side of the mounting plate; the inner ring wall of the connecting ring is fixedly connected with the top of the cloth bag; the bottom end of the movable plate is rotationally arranged on the top side of the fixing ring through a torsional spring. The positioning block is fixedly arranged on the inner side of the movable plate; the positioning block is clamped and matched with a positioning groove formed in the outer ring wall of the connecting ring. The connecting ring positioning device has the advantages that the connecting rings which are in butt joint with the fixing ring can be quickly positioned, and the connecting rings can be conveniently separated from one another.

The utility model relates to the technical field of dissolution instruments, in particular to a liquid supplementing mechanism of a dissolution instrument, which comprises a dissolution instrument main body and a liquid box, a water bath box for heating is fixed on the outer side of the dissolution instrument main body through screws, a dissolution cup for dissolving medicines is placed in the water bath box, and the liquid box is connected with the dissolution instrument main body. A motor for driving the threaded lead screw to rotate is in bolted connection with the interior of the dissolution instrument main body, a transmission sleeve connected with a driving rod is in threaded connection with the outer side of the threaded lead screw, a supporting plate for fixing an electric telescopic rod is welded to the outer side of the driving rod, and a liquid supplementing head for supplementing liquid into the dissolution cup is fixed to one side of the electric telescopic rod through a screw; a conveying pipe connected with the pump body is fixed on one side of the liquid supplementing head through a screw; through the arrangement of the electric telescopic rod, the liquid supplementing head, the liquid box, the pump body, the motor, the threaded screw rod, the transmission sleeve, the driving rod and the supporting plate, the problem that when an existing dissolution instrument liquid supplementing mechanism is used, liquid supplementing treatment is inconvenient to conduct on dissolution cups at different positions is solved.

Disclosed herein is a guide device and a driver, which allows for the preparation of an anatomic cavity for screw fixation of an implant or spacer, including the guidance for hole preparation, and guidance for insertion of screws, and or anchors, while selecting the amount of rigidity, and selecting the amount of visibility.

The utility model relates to the technical field of ceramic pots, in particular to a handle mounting structure of a ceramic pot. A handle installation structure of a ceramic pot comprises a handle connecting piece, a handle body and a pot body, and the handle connecting piece and the pot body are integrally formed and arranged on one side of the pot body. The handle connecting piece comprises a first connecting block and a second connecting block, one end of the first connecting block is attached to the pot body, and the other end of the first connecting block is connected with the second connecting block; a positioning mechanism is arranged between the second connecting block and the handle body, the second connecting block is inserted into the handle body through the positioning mechanism, and the second connecting block and the handle body are fixedly connected through screws. The handle installation structure of the whole ceramic pot is firm and stable, and the problem that in the prior art, the handle and the pot body are fixedly connected only through screws, and consequently the handle and the pot body are prone to falling off is solved. In addition, the mode that the handle connecting piece and the handle body are combined and fixed through the screws is fast and convenient, and the handle connecting piece and the handle body can be fast assembled and disassembled.

The invention relates to a component arrangement for a medical device comprising a first component with an outer surface, an inner surface and at least one recess extending between the outer surface and the inner surface, a second component comprising at least one screw boss with a longitudinally extended boss shaft and a bore, wherein the second component is arranged on the outer surface of the first component, the boss shaft projecting axially into the recess, and wherein an end face of the boss shaft does not project axially beyond the inner surface of the first component, and at least one screw with a screw shaft and a screw head, wherein the screw shaft is screwed into the bore and the screw head is axially supported on the inner surface of the first component, wherein the first component is subjected to compression between the screw head and the second component and the boss shaft is subjected to axial tension.which means that the first component is screwed to the second component.

The utility model relates to OLED backlight source technical field especially relates to a kind of ultra-thin OLED backlight source device. Its technical scheme includes rear shell, front shell, OLED backlight source module, drive shaft, driven shaft and mounting shaft, the inside fixed plate is placed in the rear shell upper end, the OLED backlight source module is set on the fixed plate upper end, the front shell is set on the rear shell upper side, the drive shaft and three groups of driven shaft are set in the rear shell inside, the mounting shaft is set in the rear shell side, the screw is set on the mounting shaft upper end, the threaded sleeve is set in the front shell lower end, the ball bearing one rotatingly installed with mounting shaft is embedded and installed in the inside four corners of the fixed plate, the drive shaft one end is provided with torsion block, the through-hole corresponding torsion block is clamped in the inside of the rear shell one end. The utility model is through linkage structure, only through rotating torsion block shell drives multiple screws to be fixed in front shell back, avoid the separate disassembly of multiple fixed parts, so that OLED backlight source module maintenance disassembly is time-saving and convenient.

The invention relates to the technical field of equipment for crushing materials through cutters, in particular to a crushing cutter and a crusher. The crushing cutter comprises a cutter head with a cutting edge and a cutter holder fixed on the cutter shaft, the cutter holder is provided with a mounting surface, the cutter head is fixedly mounted on the mounting surface of the cutter holder through a screw, the cutter head is provided with an adaptive surface adaptive to and attached to the mounting surface, and the screw is mounted at the attached part of the mounting surface and the adaptive surface. One of the top side of the adaptive surface of the tool bit and the top side of the mounting surface of the tool apron is provided with a staggered joint convex part, the other one of the top side of the adaptive surface of the tool bit and the top side of the mounting surface of the tool apron is provided with a matching part matched and attached to the staggered joint convex part, the staggered joint convex part and the matching part form a top joint, opposite to the top surface of the tool shaft, of the tool bit and the tool apron when the crushing tool is used, and the top joint and the mounting surface are staggered; foreign matter entering difficulty is increased, foreign matter does not easily enter a screw mounting area, screws do not easily deform and lose efficacy, and use reliability of the crushing cutter is facilitated.

An prosthetic endcap device for amputated bone comprises an annular body with an expansion shield and integrated fixation elements. The device features a trabeculated surface for tissue integration, multiple transosseous holes for screw fixation, and an intramedullary hole for bone attachment. The expansion shield extends 5-10 mm radially with a bulbous profile at 10-45 degrees. Key dimensions include 3-5 mm body thickness, 15-40 mm height, and 1-2 mm diameter transosseous holes. Construction uses biocompatible materials including titanium alloys and PEEK. The device can connect to a second endcap via adjustable rods for dual-bone applications. Additional features include radiopaque markers, longitudinal grooves for bone ingrowth, and myodesis holes for soft tissue attachment. This innovation addresses amputation challenges with adaptable fixation and growth accommodation.

The utility model relates to the field of industrial instruments, and provides a waterproof treatment structure for a connecting gap of an industrial instrument, and the structure comprises a main body assembly which comprises a housing; the first sealing assembly comprises a groove, a second sealing ring, a third sealing ring, a spring and a mounting hole; the grooves are formed in the four inner sides of the rear end of the shell, the second sealing rings are clamped in the grooves, the third sealing rings are connected to the middles of the second sealing rings in an injection molding mode, the springs are connected to the side edges of the second sealing rings through screws and located on the outer sides of the third sealing rings, and the mounting holes are formed in the four corners of the second sealing rings. The problems that a sealing ring is usually connected between a shell and a cover plate to achieve the sealing and waterproof effect, the shell and the cover plate are fixed through screws, the sealing and waterproof structure achieved through the sealing ring is simple, and the sealing effect is reduced after the sealing ring is used for a long time are solved. And the waterproof effect of the industrial instrument is influenced.

The thermocouple assembly for the heater comprises an installation shell, a convenient installation and disassembly mechanism and an assembly operation mechanism, the convenient installation and disassembly mechanism comprises a clamping groove, a clamping ring is arranged in the clamping groove, two sides of the clamping ring are fixedly connected with fixing plates, connecting holes are formed in the fixing plates, screws are arranged in the connecting holes, and the screws are connected with the clamping groove. Fixing holes are formed in the surfaces of the fixing plates in a penetrating mode. According to the utility model, through the arrangement of the convenient mounting and dismounting mechanism, the clamping rings slide to proper positions along the clamping groove, the clamping groove is arranged at the middle position of the surface of the mounting shell, the number of the clamping rings is two, and the clamping rings can be fixed in the clamping groove through bolts, so that the thermocouple assembly can be quickly positioned during mounting through the matching mode of the clamping groove and the clamping rings; the fixing plate is fixed on the corresponding structure in the heater through the screws, and compared with a traditional mode that the fixing plate is fixed in the heater through an external part, the installation mode greatly simplifies installation steps, and saves a large amount of time and labor cost.

A tool convenient for mounting a square inclined washer belongs to the technical field of tools for mounting square inclined washers and comprises a main body and a movable baffle. The main body is provided with a fixing plate which is provided with a plurality of screw holes. And one edge of the fixing plate is provided with a square inclined gasket bayonet. The movable baffle is in an L shape, one side of the movable baffle is fixed to the screw hole through a screw, and the other side of the movable baffle is perpendicular to the fixed plate. The movable baffle is fixed on the screw hole of the fixing plate and is clamped on the edge of the channel steel, the square inclined gasket is clamped by the square inclined gasket bayonet, at the moment, the square inclined gasket cannot rotate along with the square inclined gasket by screwing the nut, the set position of the square inclined gasket cannot be changed, and the installation is simple and reliable.