61 results about "Mutual engagement" patented technology

Hinge for the mutual engagement of panels composed of two opposed wing-like elements (1, 2), each of them including a basic body provided with through-holes for housing fixing screws to a panel and with engagement means with the wing-like complementary element provided at a lateral end of said basic body, at the end of the mutual engagement area locking means (3) for engagement of one wing with respect to the other are provided, characterized in that the former of said wing-like elements (1) includes a basic body (14), having a rectangular trapezium profile, the end opposite to the vertical side of which being rounded in order to house a round-profiled cavity (15) therein; the latter of said wing-like elements (2) in turn includes a basic body (23) having a partially polygonal and partially rounded profile at the engagement end with the complementary wing-like elements (1), said rounded portion making up a cylindrical body that about halfway through along its height tapers to form a pin (23); the locking element (3) provides engagement and manoeuvring means on an outer surface and sealing engagement means of said wing-like means.

Deflector (10) for inter-row spreading of granular or powdered products such as fertilisers, insecticides and the like, designed to be mounted on a supporting structure of a distributor (2) of the centrifugal type. The deflector (10) comprising a deflector supporting structure (11) on which there is mounted at least one collector (12) of the product which is thrown by the centrifugal distributor (2) and at least one throwing pipe (15; 16) which extends from the collector (12) in order to deflect the thrown product in a spreading direction. In addition, the deflector (10) also comprises removable fixing means for fixing the supporting structure of the deflector (11) to the supporting structure of the distributor (2). The fixing means in turn comprise a first attachment element (21) which is designed to be fixed to the supporting structure of the distributor (2) and a second attachment element (22) which is provided to be fixed to the supporting structure of the deflector (10). The attachment elements (21, 22) have means and counter-means for mutual engagement in a mutual coupling position.

The utility model provides an adjustable glasses nose pad, which relates to the technical field of glasses, and is characterized in that the adjustable glasses nose pad comprises a nose pad fixing frame, a rotating piece and a nose pad body, the rotating piece is rotatably arranged on the nose pad fixing frame, the nose pad body is fixedly arranged on the rotating piece, and the nose pad body is fixedly arranged on the rotating piece. And clamping groove and clamping block structures which are clamped with each other are arranged on the nose pad fixing frame and the rotating piece. Through the multi-gear clamping groove and clamping block structure between the rotating piece and the nose pad fixing frame, stepped adjustment of the angle of the nose pad is achieved. The clamping blocks can be embedded into the clamping grooves in different positions, so that the silica gel nose pad body forms multi-angle support, the individual requirements of different nose bridge heights and widths are met, and the wearing adaptability is remarkably improved.

The utility model belongs to the technical field of rail transit, and particularly relates to a movable signal lamp for rail transit, which comprises a signal lamp body, a base abutted against the bottom surface of the signal lamp body, a vertical column welded on the top surface of the base, a remote control module in threaded connection with the top surface of the vertical column through bolts, and a motor electrically connected with the remote control module through a power line. The surface of a motor shaft is in threaded connection with the surface of the transverse end of the gear. According to the utility model, through mutual cooperation among the stand column, the remote control module, the motor, the gear, the toothed plate, the sliding block and the limiting groove, the remote control module starts the motor to drive the gear to rotate according to the actual traffic condition and the visual field height of a driver to which the driver needs to face, so that the toothed plate and the signal lamp body which are meshed with each other are driven to adjust the height; therefore, drivers with different view heights can safely drive on the track under the command of the traffic signal lamp.

The invention relates to a resilient claw clutch for transmitting a torque M acting about a rotational axis from a drive device to a driven device, having a first engagement element with first claw teeth and a first gap formed by the first claw teeth, and a second engagement element with second claw teeth and a second gap formed by the second claw teeth, the first claw teeth and the second claw teeth together being in a state of mutual engagement and delimiting an accommodation space, into which an elastic pressure body can be inserted such that the elastic pressure body elastically, torque-transmittingly force-couples the first engagement element with the second engagement element, several first claw teeth and several second claw teeth being designed such that several accommodation spaces are arranged in a circumferential direction R X successively in a radial direction R U and in a radial direction R R .

The utility model relates to the technical field of adhesive tape processing equipment, and discloses an adhesive tape paper core installing and rolling frame which comprises a box body, an installing shaft located at the bottom end of the interior of the box body and a plurality of sets of adjusting frames located at one end of the interior of the box body. The supporting frames are arranged at the two ends of one side of the box body, and a movable buckle is arranged between the two supporting frames; the supporting rod is arranged in the supporting frame, and a spring is arranged at the top end of the outer side of the supporting rod; the supporting block is arranged at the bottom of one side of the box body. According to the utility model, the limiting block I and the limiting block II are mutually clamped with the limiting groove, so that the paper core, the mounting wheel and the mounting shaft can be limited, the paper core, the mounting wheel and the mounting shaft can synchronously rotate, and the mounting plate and the box body can be quickly disassembled and assembled through the movable buckle, the supporting rod, the spring and the supporting block; and the mounting shaft can be conveniently and quickly disassembled and assembled, so that the paper core can be conveniently and quickly disassembled and assembled.

The utility model relates to the technical field of charging piles, in particular to an anti-theft electric vehicle charging pile which comprises a connecting column, a U-shaped baffle is rotationally connected to the outer surface of the connecting column, two inserting grooves are formed in the outer surface of the U-shaped baffle, and a fixing box is fixedly connected to the outer surface of the connecting column. The inner wall of the fixed box is rotationally connected with two gears, and the outer surface of each gear is meshed with the other gear. According to the key chain, the key body can be inserted into the key chain, then the key body is rotated to drive the corresponding gear to rotate, the two gears are driven to rotate reversely at the same time through mutual engagement between the two gears, and at the moment, rotation of the gears can drive the corresponding clamping plates to rotate around the corresponding gears at the same time; and at the moment, the U-shaped baffle plate can be locked through clamping connection between the clamping plate and the corresponding slot, so that the anti-theft effect of the detachable charger can be achieved through locking of the U-shaped plate.

The utility model relates to the technical field of glass curtain wall installation, in particular to a glass curtain wall construction installation positioning support structure with an angle adjusting function, which comprises a positioning support structure main body and a glass curtain wall, a base and a base guide rail which are mutually clamped are arranged at the bottom of the positioning support structure main body, and a supporting frame is fixed at the upper end of the base. Lifting hydraulic cylinders are symmetrically fixed in the supporting frame, a lifting positioning frame connected with the movable ends of the lifting hydraulic cylinders is arranged above the supporting frame, a mounting stabilizing frame is arranged on the side face of the lifting positioning frame, and hinge seats clamped and matched with each other are arranged between the mounting stabilizing frame and the lifting positioning frame. And a connecting gear shaft is inserted and fastened between the hinge seats. According to the glass curtain wall construction installation positioning support structure with the angle adjustment function, corresponding positioning adjustment can be carried out according to the size of a glass curtain wall, multi-directional adjustment can be carried out in the glass curtain wall installation process, the safety protection performance in the glass curtain wall installation process is ensured, and meanwhile the positioning efficiency is improved.

The utility model relates to the technical field of film pressing machines, and discloses a vacuum film pressing machine which comprises a bottom plate, dampers are fixedly installed at the four corners of the upper surface of the bottom plate, a film pressing machine body is fixedly installed at the top ends of the four dampers, a groove is formed in the lower surface of the bottom plate, and the bottom plate is fixedly connected with the film pressing machine body. The device comprises a base, a groove is formed in the base, two screw rods are rotationally connected to the top wall in the groove and symmetrically distributed on the top wall in the groove, the surfaces of the two screw rods are both sleeved with threaded sleeves in a threaded mode, the bottom ends of the two threaded sleeves are both fixedly connected with connecting plates, and the lower surfaces of the two connecting plates are both provided with a set of movable wheels. The surface of each screw is fixedly sleeved with a worm wheel, a worm is rotationally connected between the two side walls of the interior of the groove, the worm is meshed with the two worm wheels, and when the film pressing machine is used, the film pressing machine can be rapidly and conveniently transferred and moved, time and labor are saved, and meanwhile the film pressing machine has a certain leveling function.

The utility model discloses an integrated mini-tiller arm-rest frame assembly convenient for angle adjustment, which comprises an arm-rest seat, an arm-rest frame and an adapter, the arm-rest frame is a U-shaped pipe which is integrally bent and formed, and one end of the adapter is fixedly arranged at the bent part of the arm-rest frame; a screw rod with the end penetrating through the left side and the right side of the armrest seat is arranged at the end, close to the adapter, of the armrest seat, and the left side and the right side of the armrest seat are each provided with a first end face gear arranged on the screw rod in a sleeving mode. Two second end face gears which sleeve the left side and the right side of the screw rod and are meshed with the first end face gears on the corresponding sides are arranged at one end, opposite to the armrest seat, of the adapter; and locking nuts which are in threaded fit with the screw rod are arranged on the screw rod and outside the two second end face gears. By arranging the adapter and arranging the first end face gear and the second end face gear which are meshed with each other at the connecting end of the adapter and the armrest seat, the rotating angle of the armrest frame can be accurately controlled, and meanwhile, the structure of the rotating end is more stable.

The utility model relates to the technical field of water level detection, in particular to a mechanical character wheel display device of a floating ball type water level gauge, which comprises a shell, a rack is slidably mounted in the shell, a floating ball is fixedly mounted at the bottom of the outer wall of the rack, a gear is movably mounted in the shell, the rack is meshed with the gear, and a display component is mounted on the outer wall of the shell. The display assembly comprises a first rotating wheel, a second rotating wheel and a third rotating wheel, the second rotating wheel is movably mounted on the right side of the first rotating wheel, and the third rotating wheel is movably mounted on the right side of the second rotating wheel; the outer wall of the gear is fixedly connected with a first bevel gear, and the outer wall of the first rotating wheel is fixedly connected with a second bevel gear. According to the utility model, the rack is driven by the floating ball, the rotating wheel is rotated through the transmission of the gear and the bevel gear, decimal counting is realized, the water level is visually displayed by the digital block, the problem that the water level is inconvenient to visually observe by the traditional floating ball detection device is solved, and the convenience and accuracy of water level monitoring are improved.

The utility model relates to the technical field of wastewater treatment, and provides an automatic dosing device for oily sewage, which comprises a supporting seat, the universal wheels are arranged at four corners of the surface of one side of the supporting seat; the protective shell is arranged on the surface of the supporting seat, a limiting groove is formed in the surface of the protective shell, a hydraulic cylinder is arranged on the inner wall of the protective shell, an L-shaped connecting rod is arranged at the output end of the hydraulic cylinder, and the L-shaped connecting rod is embedded in the limiting groove in a sliding mode. According to the device, when the device moves to a designated place, the transparent barrel is filled with chemicals, the first gear drives the second gear meshed with the first gear to rotate through work of the driving motor, the connector on the surface of the conveying pipe rotates in the sealing gasket, and meanwhile sealing work is provided; and the medicament falls into the conveying pipe through gravity, so that the intermittent dosing work is completed, and the waste of medicament materials is reduced.

The utility model discloses an excavator lower frame with a stable connecting structure, which belongs to the technical field of excavator lower frames, and is characterized by comprising a lower frame main body and four crawler wheels uniformly mounted on the surface of the lower frame main body, and the upper surface of the lower frame main body is fixedly connected with a connecting plate A; a connecting plate B is arranged at the end, away from the lower frame body, of the connecting plate A, and a bottom plate is rotationally connected to the end, away from the connecting plate A, of the connecting plate B. According to the lower frame, the inserting rods are inserted into the connecting plate A, the limiting blocks are inserted into the limiting holes, and through mutual clamping, the bottom plate is rapidly installed; through movement of a linkage rod, a clamping block is inserted into a clamping groove, limiting of a limiting block is achieved, fixing of an inserting rod is achieved, the mounting firmness of the bottom plate is enhanced, through movement of a hexagonal block on the surface of the hexagonal rod, limiting and rotating of the hexagonal rod are achieved, and the bottom plate is convenient to disassemble.

The utility model relates to the technical field of furniture processing, and discloses a trimming device for bamboo furniture production and processing, which comprises a base station, the top end of the base station is fixedly connected with a trimming platform, and the front end of the middle part of the base station is provided with a trimming assembly; and the trimming assembly comprises a driving motor, the driving motor is fixedly connected to the front end of the middle of the base table, the output end of the driving motor is fixedly connected with a trimming knife, and the bottom end of the trimming platform is fixedly connected with a fixed motor. According to the utility model, the trimming knife is driven by the driving motor to rotate quickly, redundant parts of bamboo wood can be cut off, meanwhile, the fixed motor drives the driving bevel gear to rotate through the coupling, and the grinding wheel mounted on the driven bevel gear can be synchronously driven to rotate through the mutual meshing of the driving bevel gear and the driven bevel gear; and the edge of the bamboo can be polished, so that burrs on the edge of the bamboo are effectively removed, and the quality of the bamboo can reach the unified standard.

This application relates to the technical field of folding tables, and more particularly to a multifunctional folding table, comprising a main frame, a tabletop, and table legs. The table legs are multiple and detachably connected to the underside of the main frame. The tabletop includes two symmetrically arranged outer tabletops and two symmetrically arranged inner tabletops, both of which are movably connected to the main frame. The main frame and the outer tabletops are equipped with a position locking mechanism for mutual engagement. This application improves upon the limitations of folding tables in terms of limited adjustment range and fixed expansion ratio, enabling the folding table to adapt to the diverse usage needs of different user scenarios.

A package structure includes a first interposer, a second interposer, and a quantum chip. The first interposer includes a first alignment feature; the second interposer includes a second alignment feature. The quantum chip is bonded to the first interposer with an extended portion of the first quantum chip extending beyond a first edge of the first interposer. The first interposer and the second interposer are arranged for mutual engagement of the first alignment feature and the second alignment feature to enable alignment and coupling of one or more components on the extended portion of the first quantum chip with one or more components on the second interposer.

The utility model discloses a machine cover lock and vehicle, machine cover lock includes: mounting panel, lock arm, the lock arm rotatably arranged on the mounting panel, lock tongue, the lock tongue rotatably arranged on the mounting panel, the lock arm with the lock tongue is configured as two mutual engagement when the rotation process of machine cover is in the locked state and two mutual disengagement when machine cover is in the unlocked state, first reset spring, first reset spring sets up on the mounting panel, the first end of first reset spring with lock tongue is connected, first reset spring is configured as machine cover unlocking, the second end of first reset spring moves on the fixed track and produces the deformation. First reset spring can provide greater elastic force for lock tongue when machine cover unlocking, and can reduce its rigidity when designing and selecting, so that both can reduce the static closing force of machine cover, and can ensure that machine cover unlocking failure problem does not appear under any working condition.

The utility model relates to the technical field of automobile assembly, and disclose a body -in -white bolt tightening clamp, including work table, still include: set up in the base inboard bottom's connecting assembly and guide assembly. The utility model discloses through the moving seat of driving connection moves inboard, and the other end follows the change of position along with the one end of connecting rod moving seat movement, drives the transmission block to rotate, and the transmission block passes through another connecting rod of connection and drives another moving seat to move inboard, and the two clamping blocks are tightened inboard through the shell, thereby completing the fixing of body -in -white, through the piston rod of second cylinder extension driving connecting seat moves to one side, and the one end of adjusting rod rotates outward along with the change of connecting seat position, and along with the change of adjusting rod rotation angle, its other end drives the positioning block to insert inboard in the positioning groove, and the mutual engagement between both makes the position of clamping block get fixed, improves the stability of body -in -white assembly.

The present invention belongs to the technical field of laying blocks on a slope, and particularly relates to a machine for laying interlocking blocks on a slope, and a laying method using same. The machine for laying interlocking blocks on a slope comprises a travelling mechanism I, wherein the travelling mechanism I is located at the top of the slope, an elevator is mounted above the travelling mechanism I, the blocks are placed above the elevator, a material-pushing mechanism and an arrangement device are detachably connected above the travelling mechanism I, a pneumatic cylinder I is articulated to the side surface of the travelling mechanism I that is close to the arrangement device, a cross beam is articulated to an end of a piston rod of the pneumatic cylinder I, a movable unloading device is provided on the cross beam, and a travelling device is articulated to the side surface of the cross beam that is away from the arrangement device. Compared with the prior art, in the present invention, the material-pushing mechanism and the arrangement device are detachably connected above the traveling mechanism I, and the elevator is mounted above the traveling mechanism I; and by means of cooperation between the material-pushing mechanism and the elevator, the blocks can enter the arrangement device for arrangement, thereby realizing the functions of staggered laying and mutual engagement, and improving the efficiency of laying the blocks on the slope.

The utility model discloses a blowout preventer for oil and gas development, which is applied to the technical field of oil and gas development and comprises an upper shell and a lower shell, a drill rod is rotatably connected inside the upper shell and the lower shell in a penetrating manner, and an elastic rubber core which is respectively connected with the upper shell and the lower shell in a sliding manner is sleeved on the surface of the drill rod. Hydraulic oil is injected into the lower piston groove during blowout, the piston pushes the elastic rubber core to close and seal the surface of the drill rod, and therefore blowout can be interrupted. And meanwhile, blowout oil gas can be sprayed out through the oil discharge hole and is blocked by the baffle plate, so that the blowout oil gas flows around. Therefore, drill rod equipment can be prevented from being damaged, and practicability is improved. The annular gear is meshed with the gear to drive the bolt rod at the bottom of the connecting flange to rotate synchronously, so that the bolt rod is meshed with the oil well pipe orifice in a threaded mode. Therefore, the blowout device can be quickly installed on the top of the oil well pipe orifice, operation is convenient, and installation efficiency is improved.

The utility model discloses a waste gas collecting pipe for treating environment-friendly printing volatile organic compounds, which comprises a support frame, a motor is arranged in the support frame, one end of an output shaft of the motor is connected with a driving wheel through a coupler, a fixing frame is arranged on one side of the support frame, and an operating frame is arranged on the fixing frame. According to the waste gas collecting pipe for treating the environment-friendly printing volatile organic compounds, the inner walls of the connecting pipes and the outer wall of the waste gas collecting pipe are provided with matched threads, and the connecting pipes and the waste gas collecting pipe form a spiral locking structure, so that the waste gas collecting pipe is assembled through the multiple groups of connecting pipes, and the whole waste gas collecting pipe is conveniently disassembled and cleaned regularly; the outer wall of the fixing ring of the device is provided with the thread matched with the inner wall of the waste gas collecting pipe, and the filter screen and the waste gas collecting pipe form a spiral locking structure through the fixing ring, so that part of impurities are prevented from entering the waste gas collecting pipe to cause pollution or blockage during waste gas recovery through the spirally mounted filter screen assembly.

The utility model relates to the technical field of feeding devices, and discloses a feeding device for rice production and processing, which comprises a device body, a transmission chamber is arranged at the edge, close to the bottom, in the device body, a motor is fixedly connected to the inner surface wall of one side of the transmission chamber, and a first rotating rod is fixedly welded to an output shaft of the motor. The first rotating rod extends out of the outer surface of one side of the device body and is rotationally connected with the device body, a driving belt wheel is fixedly welded to one end of the first rotating rod, a feeding groove is formed in the top of the device body, and a second rotating rod is rotationally connected between the inner surface walls of the two sides of the feeding groove; the feeding device solves the problems that a traditional feeding device completes work generally through cooperation of the self weight of rice and the feeding device, the rice is prone to being squeezed and clamped, feeding is uneven, the device is empty, or the rice blocks the device, the working efficiency of the device is reduced, and the service life of the device is prolonged.

The utility model discloses a threaded bar dispersion alignment device, including partition board subassembly, mobile bracket, conveying chain, push board and support frame, partition board subassembly is separated by middle transmission passage, and the left and right symmetry is arranged along middle transmission passage, partition board subassembly is formed by a group of vertical partition board, and the middle height of partition board, two ends low form bevel, form the partition groove between two adjacent partition boards. The utility model has realized the automatic dispersion and alignment of threaded bar, and effectively solved the problem of mutual engagement, dispersion not thoroughly, collection efficiency low when bar packing.

The utility model relates to the technical field of fireproof door processing, in particular to a plate spraying device which comprises a spraying box, a suspension type conveyor, suspension trolleys, a spraying assembly and a connecting assembly, the spraying box is connected with the suspension type conveyor, and the suspension trolleys are arranged on the suspension type conveyor; the spraying assembly is connected to the suspension type conveyor, the connecting assembly is connected to the suspension type conveyor and comprises a steering assembly and a stability maintaining assembly, and the steering assembly is connected to the suspension trolley. According to the spraying device, the tooth-missing gear and the rack are meshed with each other, so that the supporting shaft and the moving seat can be driven to rotate, a fireproof door plate to be sprayed is driven to rotate, and the fireproof door plate is sprayed on the front face and the back face through the upstream spraying end of the spraying assembly and then rotates in time to enter the downstream spraying end; the stability maintaining assembly can enable the whole fireproof door plate to be kept stable during rotation, and rotates to avoid the spraying end when entering the spraying end so as to prevent the fireproof door plate from affecting normal spraying.

The invention relates to geotechnical engineering pile foundation equipment, in particular to integrated annular spiral soil taking construction equipment and a construction method.The integrated annular spiral soil taking construction equipment comprises a power system which is controlled by a pile machine rack system to ascend and descend and used for driving an annular spiral soil taking system to rotate for soil layer tunneling; the double-layer casing pipe wall protection system is hoisted at a construction position by the annular spiral soil taking system, the double-layer casing pipe wall protection system is of a double-layer structure with the inner layer and the outer layer separated, and a cylindrical gap is formed between the two layers of structures; the annular spiral soil sampling system is of a barrel-shaped structure, and spiral blades are arranged on the outer portion of the annular spiral soil sampling system in the circumferential direction and used for being rotationally inserted into barrel-shaped gaps to sample soil; the annular spiral soil taking system and the double-layer sleeve wall protecting system are provided with rotatable meshing parts which are buckled with each other, the annular spiral soil taking system hoists the double-layer sleeve wall protecting system to a designated construction position, then the double-layer sleeve wall protecting system rotates downwards for tunneling, and after concrete is poured, the double-layer sleeve wall protecting system is hoisted out of the construction position through the meshing parts. The method can be widely applied to construction of various complex soil layer foundations.

This utility model relates to the field of lens copper pillar crimping machine technology; and discloses a waste collection device for lens copper pillar crimping machine, including a mounting box. This utility model folds the mounting strap so that it adheres tightly to the outer surface of the crimping machine equipment. Simultaneously, the mounting strap is inserted into the moving groove, and pulling the mounting strap upwards causes the positioning groove to move on the outer surface of the locking plate. The spring's elasticity supports the locking plate, allowing it to automatically move towards the mounting strap. This allows the locking plate's wedge-shaped block to automatically engage with the wedge-shaped groove of the positioning groove. Through the mutual engagement of the positioning groove's wedge-shaped groove and the locking plate's wedge-shaped block, the positioning groove will not automatically move downwards when pulled upwards. Therefore, by tightening the mounting strap, the mounting box can be quickly positioned on the appropriate outer surface of the crimping machine, and the air pump can then be started to collect the waste generated during the crimping process using a suction head.

The utility model relates to crystallization device technical field especially for a kind of circulating crystallizing tank of convenient feeding, including tank body, the outside wall of tank body is closely attached and is equipped with cooling jacket, the top surface of tank body is equipped with feed inlet, the inner wall of feed inlet is engaged with the outer wall of feed pipe, the inside of tank body is equipped with stirring assembly, tank body bottom is fixedly connected with solid-liquid separator, the side of solid-liquid separator is provided with discharge gate, the other side of solid-liquid separator is installed and is connected with the liquid inlet end of circulating liquid pump by connecting pipe.The device is provided with the feed inlet and feed pipe of mutual engagement docking installation, when the tube body of feed pipe is inserted into inner tube, inner ring abuts with fluorine rubber pad top surface, so that tube body and inner tube sealing docking, when the clamping block is clamped into the clamping groove, the clamping block is tightly clamped into the clamping groove by rotating outer ring, so as to realize the quick docking of feed pipe and feed inlet, and facilitate quick feeding.

A handle (4) for an endoscope (1) includes a first shell-shaped (6) housing part and a second shell shaped housing part (7) adapted for mutual engagement so as to form a housing. The shell-shaped housing parts (6, 7) include a first recess (10) and a second recess (11) so arranged and configured that when the first and second shell-shaped housing parts (6, 7) are mutually engaged, a circumferential recess is provided in the exterior surface of the housing. The handle (4) further includes a hoop (28) adapted to be received in the circumferential recess and hold the first and second shell-shaped housing parts together.

The utility model relates to the field of drop pulp cleaning machine, especially a heating spray head of drop pulp cleaning machine, handle is fixedly arranged on the heating spray head body, the inner wall of handle is equipped with detachable silica gel piece, the top of silica gel piece is fixedly provided with mounting block, and the both sides of mounting block top are fixedly provided with mounting column, the handle is equipped with through hole in correspondence with mounting column, the upper portion of through hole is rotatably provided with nut, the inner wall of nut is provided with internal thread, and the outside of mounting column is provided with external screw groove matched with nut, in the utility model, the heating spray head body can realize the cleaning of articles, through the mutual clamping between mounting block and mounting cavity, and the mutual engagement between external screw groove and internal thread, the installation of silica gel piece can be realized, and the silica gel piece is simple and convenient to disassemble and assemble, and the silica gel piece of handle aging can be replaced by the user.