69results about How to "Change the fixation method" patented technology

The invention discloses an implanting machine for a nuclear power plant reactor king bolt and a method for implanting the bolt. A support is arranged between a machine base and a drive assembly, a self-adaptive centering assembly is fixed to the support, the drive assembly is connected with a lead screw, the lead screw is sleeved with a load balancer assembly, a clutch is connected with a chuck, the implanting machine is connected with the king bolt in a sleeved mode, an electromagnetic coil is energized, and the chuck is connected with the head of the king bolt after the clutch is disengaged; the king bolt stops when being close to a reactor container king bolt hole; the king bolt is guided into the king bolt hole, and a balance load is adjusted to be at an ideal value; when the king bolt moves downwards to a preset position, the load of a load balancer is reduced to be at an initial value, and the chuck of the implanting machine is lifted to an original position. The implanting machine is quick to locate, the king bolt guide-in process is stable, impact force is small, centering errors of the king bolt and the king bolt hole are automatically eliminated, pressure and impact on a thread auxiliary surface can be reduced to the maximum, stable load balance capacity is kept, and the change situation of the gravity of the king bolt can be tracked in real time in the whole course.

The invention discloses an LED display screen structure capable of assembling and disassembling a display module from the front surface, and an assembling and disassembling method. The method comprises the following steps that the whole screen consists of a plurality of LED display modules, a bottom supporting framework, an assembling and disassembling electric controller and an electromagnetic suction plate; the single LED display module is fixed in the corresponding unit grid of the bottom supporting framework through a pin plugging mechanism controlled by an electromagnet; pin insertion hole seats are connected to a U-shaped sliding sheet capable of sliding along a supporting rim, and the whole LED display screen is flatly seamless by adjusting and fixing the proper positions of all the pin insertion hole seats; the assembling and disassembling electric controller can control the pin insertion mechanisms controlled by all the electromagnets of the corresponding LED display modules to be opened and closed through an inner processor, so that local decomposition or combination of the LED display screen is realized; a magnetic metal plate is arranged at the back part of each LED display module, and a high-power electromagnet is arranged in an electromagnetic suction plate; after electrification, the electromagnetic suction plates are arranged on the front surfaces of the decomposed LED display modules to realize assembling and disassembling under the electromagnetic suction force on the metal plates.

The invention relates to the technical field of vertical motor shell outer side wall machining, and discloses cleaning equipment and method for vertical motor shell outer side wall machining. The cleaning equipment comprises a machine body, the left side of the bottom of the machine body is fixedly connected with a low-speed motor through a fixing frame, and an output shaft of the low-speed motorpenetrates through a bottom through hole of the machine body and is fixedly connected with a rotating platform; and an annular sliding groove is fixedly connected to the top surface of the machine body, an auxiliary supporting rod is fixedly connected to the lower surface of the rotating platform, and a sliding groove roller is movably connected to the tail end of the auxiliary supporting rod through a pin shaft and located on the inner side of the annular sliding groove. The cleaning equipment is provided with the machine body, the low-speed motor, the rotating platform, a radial supporting and adjusting mechanism, a fixed stand column, an inward extrusion mechanism, a transverse position adjusting mechanism, an arc-shaped supporting frame, an electric lifting rod, a rotating motor, a disc type brush and a control panel which are matched with one another, so that the problem that machining chippings on the outer side wall of an existing vertical motor shell are not thoroughly cleanedis effectively solved.

The invention discloses a textile tearing performance testing device which comprises a workbench, supporting columns are fixedly connected to the periphery of the bottom end of the workbench, a discharging groove is fixedly connected to one side of the top end of the workbench, a through groove is formed in the end, close to the center line of the workbench, of the discharging groove, and a testing mechanism is installed at the top end of the workbench. And an electric slide rail is arranged in the testing mechanism. According to the invention, one end of a to-be-detected textile can be quickly extruded and fixed in a C-shaped plate by rotating a hand-screwed bolt, and the electric slide block can drive a tension meter to slide in the electric slide rail, so that the tension meter can drive the C-shaped plate and one end of the textile to move for a pull test, the operation is simple, time and labor are saved, and the previous tedious fixing mode is changed; and the situation that thetextile falls off in the pulling process can be prevented, and in the moving process of the electric sliding block, a marking needle head can be driven to move at the upper end of a precision ruler, so that a worker observes the pulling distance conveniently.

The invention provides a domestic adsorption-type garbage can, and relates to the field of living supplies. The domestic adsorption-type garbage can comprises a garbage can body, a negative-pressure adsorption mechanism is arranged on the garbage can body, a negative-pressure cavity is formed in the wall of the garbage can body, a negative-pressure adsorption small hole is formed in the inner wallof the garbage can body, the inside of the garbage can body is communicated with the negative-pressure cavity by the negative-pressure adsorption small hole, a sliding groove is formed in the surfaceof the garbage can body, and a supporting rod is slidably connected on the inner wall of the sliding groove. When the garbage can is used, a garbage bag is directly placed in the garbage can, the edge of the garbage bag is fixed through simple operation of a fixing and clamping mechanism, a user steps a pedal with a foot, the garbage bag is completely and thoroughly opened through static electricity and negative pressure, the garbage can is simple to operate and obvious in effect, so that the garbage can effectively solves the problems that an existing garbage can cannot conveniently and rapidly open the garbage bag when the garbage bag sleeves the garbage can, sleeving processes are troublesome, and the incompletely opened garbage bag cannot be inconveniently used.

The invention provides a full-wave-band high-precision zoom optical system image surface butt joint and coaxial adjustment device and method, and solves the problems that an existing zoom optical lensimage surface adjustment method is low in efficiency, an imaging assembly is easy to damage, and the image surface adjustment precision is relatively low. The device comprises an optical platform, agrating ruler, a display, a light source, a full-waveband collimator, a zoom lens fixing mechanism and an image plane adjusting assembly, the full-waveband collimator is arranged on the optical platform; the zoom lens fixing mechanism is arranged on the optical platform through the four-dimensional adjusting platform, and the four-dimensional adjusting platform adjusts the position of a zoom optical lens on the zoom lens fixing mechanism; the image plane adjusting assembly comprises a CCD mounting frame, a four-dimensional adjustable base, a sliding block and a guide rail control assembly fordriving the sliding block to move; the CCD mounting frame is arranged on the four-dimensional adjustable base; the four-dimensional adjustable base is arranged on the sliding block; the grating ruleris used for recording the position of the CCD imaging assembly; and the display is connected with the CCD imaging assembly.

The invention provides a flexible folding display module and a mobile terminal. The flexible folding display module comprises a rigid supporting layer, a flexible supporting layer arranged on the rigid supporting layer and a flexible display panel arranged on the flexible supporting layer, and the flexible supporting layer comprises a main body part and an extension part located on the periphery of the main body part. The extension part is bent to one side, far away from the flexible display panel, of the rigid supporting layer, and the extension part is adhered to the rigid supporting layer; according to the invention, the flexible supporting layer comprises a main body part and the extension part, and the flexible supporting layer is bent to the rigid supporting layer through the extension part to be connected with the rigid supporting layer, so that the fixing mode of the flexible display panel and the rigid supporting layer is changed; therefore, the problems of corrugation, wrinkling, orange peel and the like caused by unevenness of the flexible display panel after multiple times of bending are solved.

The invention relates to a maintenance tool, namely a disconnector maintenance hoisting bracket. The disconnector maintenance hoisting bracket comprises an upright rod; and the upper end of the upright rod is provided with a hanging hole for hanging a pulley. A base is arranged below the upright rod; two screw rods are respectively arranged on the base at the two sides of the upright rod; a pressing plate capable of moving and adjusting up and down is arranged on the base and is provided with three holes, and the two screw rods and the upright rod correspondingly pass through the three holes; and each screw rod is provided with a locking nut. The invention has the advantages that through shortening the length of embracing rods and changing the fixed mode of the embracing rods, the weight is reduced, so that the disconnector maintenance hoisting bracket is convenient to fixedly connect on the site, is light and flexible, is quick and convenient to disassemble and is safe and reliable; the work intensity is reduced, the condition that a plurality of persons maintain a group of switches is eliminated, and the labor efficiency is improved; the labor output is reduced, the work efficiency is high, and the maintenance quality is ensured.

The invention relates to an undercurrent external heat exchanger of a circulating fluidized bed, which comprises a feeding vertical pipe, a feeding chamber, a heat exchanging chamber, a coiled pipe heating surface arranged in the heat exchanging chamber, an inlet header, an outlet header, a first partition wall, a second partition wall, an overflow chamber, an ash returning pipe, and an undercurrent hole; wherein a row of undercurrent holes are arranged at the lower part of the first partition wall between the feeding chamber and the heat exchanging chamber so that both of the upper part and the lower part of the heat exchanging chamber are supplemented by high temperature circulating ash, thus improving the flowing and heat exchanging condition of a dead zone in the heat exchanging chamber; and the upper rand lower temperature gradient of the heating exchanging chamber decreases, which is beneficial to the mixing of the circulating ash; the integral heat exchanging performance of the heat exchanging chamber is enhanced; a walling is arranged next to a side wall; the bend part of the coiled pipe heating surface is buried in the waling, not only bears the support and fixes the coiled pipe and heat exchanger, reduces the vibration of the heat exchanger, but also protects the bend of the heat exchanging surface of the coiled pipe not to be corroded by the circulating ash. The technical solution of the invention is easily realized and beneficial to solve the problems of heat transmission, vibration and abrasion of the external heat exchanger.

The invention discloses a method for improving the overall performance of a lateral stopper of a rail vehicle and the lateral stopper. Wear plates of the lateral stopper are fixed to a hard stopper bybonding, and the wear plates and lateral stopper rubber bodies are integrally vulcanized together, so that most parts of the side surfaces and the bottom surfaces of the wear plates are bonded to thelateral stopper rubber bodies through vulcanization to form a wear plate structure with a bonding vulcanization structure, the overall shear load bearing capacity of the lateral stopper is improved,and the operation of the vehicle is prevented from being affected due to the falling of components. The wear plates are bonded to the hard stopper and are integrally vulcanized together with the lateral stopper rubber bodies, so that an original screw fixing method is effectively changed, the problem that the operation of an entire vehicle body is affected due to the falling of screws is solved, and meanwhile, the shear load bearing capacity of the lateral stopper is greatly improved by expanding the bonding area and increasing the bonding strength.

The invention discloses a cable device facilitating video monitoring line wiring and a using method thereof and belongs to the field of weak current wiring. The cable device facilitating video monitoring line wiring comprises an outer heat conduction layer. The outer heat conduction layer is internally provided with four branch video monitoring lines. Each branch video monitoring line is externally sleeved by an insulated thermal insulation layer. The insulated thermal insulation layers are attached to the inner wall of the outer heat conduction layer. The branch video monitoring lines are insliding connection to the inner wall of the outer heat conduction layer through the insulated thermal insulation layers. The outer heat conduction layer is externally sleeved by a self-heating deformation layer. When the video monitoring cables are installed, the internal side-by-side lines can deform according to the shape of the wall, and can be arbitrarily shaped after being deformed, thereby enhancing the attaching effect to the wall surface; and by changing the fixation mode, damage to the wall by video monitoring line wiring during installation of the video monitoring lines is reduced, and the wiring mode and fixation position can be adjusted at will according to the needs of users.

The invention discloses a traction bone forming device for a maxilla body. The traction bone forming device comprises a fixing rod and a guide rod connected with the fixing rod, wherein fixing plates are arranged on two sides of the fixing rod and used for enabling the fixing plate to be fixed in the human tissue conveniently. Each fixing plate comprises a straight plate and an arc plate which is arranged on the side of the fixing plate close to the guide rod, and installation holes are arranged on the straight plate and the arc plate. The traction bone forming device for the maxilla body is simple in integral structure and ingenious in design. The straight plates arranged on one sides fix the fixing plates into the human tissue, and the arc plates and the guide rod are matched mutually to exert acting force on the traction bone forming device for the maxilla body. Additionally, the traction bone forming device for the maxilla body has the advantages of being simple in structure and long in service life, changing the fixing mode and reducing wounds.

The invention discloses a road construction protective fence convenient to install. The road construction protective fence comprises a machine body, inserting columns which are symmetrical left and right are fixedly arranged at the lower end face of the machine body, fastening cavities are formed in the inserting columns, and fastening power cavities are formed in the positions, corresponding to the fastening cavities, in the machine body; and rotating shafts penetrating through the upper and lower wall surfaces of the fastening cavities in the left and right sides are rotationally arranged onlower wall surfaces of the fastening power cavities. According to the road construction protective fence, the construction protective fence is fixed in an inserted connection manner, secondary fastening of the protective fence is achieved through retractable fastening reinforcing columns, a traditional bolt fixing manner is effectively changed, and fence installation is facilitated; and meanwhile, by means of the road construction protective fence, rainwater can be collected, water spraying and dust falling can be conducted on the environment needing dust falling, generated electric energy can be stored and used for lighting in dark light while dust falling is conducted, and road traffic accidents are prevented from happening.

The invention relates to a radiator. The radiator comprises a base, a fixed piece, a pivoting piece and a fastening piece, wherein the fixed piece is fixed on the base; the pivoting piece is pivoted on the fixed piece; the fastening piece is arranged on the pivoting piece; and the two ends of the fastening piece are respectively provided with a first fastening part and a second fastening part which are respectively used for fixing the radiator at different circuit boards. The invention also provides a fastening device of the radiator. Compared with the prior art, the radiator has the advantage that the fastening piece is pivoted on the base of the radiator by the pivoting piece, so that the radiator fixing mode can be changed. The radiator can be applicable to different circuit boards.

The invention provides a building construction anti-falling device convenient to disassemble and with the alarm function. The building construction anti-falling device convenient to disassemble and with the alarm function comprises a fixed frame and a movable frame, wherein the movable frame is arranged outside the fixed frame in a sleeving manner. According to the building construction anti-falling device convenient to disassemble and with the alarm function, the installation structure is mainly used for fixedly installing the device outside the support, a U-shaped connecting piece is arranged so that the device can be rapidly and horizontally installed outside the support, a positioning shaft is installed on the inner side of the connecting piece, the connecting piece positioning shaft can be clamped with a round hole in the support, so the connecting piece can be stably clamped on the support, the whole device can be effectively connected with the support, meanwhile, the fixing assembly is arranged and matched with the positioning shaft for installation, the connecting fixity of the positioning shaft is further improved, and the support and the connecting piece are effectively connected; and installation is firmer and is not easily influenced by the external environment.

The invention discloses a solid-state lithium battery with a high-temperature explosion-proof protection structure, and a manufacturing method thereof. The solid-state lithium battery comprises a limiting assembly, a solid-state lithium battery body, a U-shaped frame, an explosion-proof membrane, a cooling fin, a negative pole, a bottom plate, a positive pole, a top cover, a radiator, a heat conduction column, a heat conduction fin, a heat conduction plate, a sealing cover, a limiting seat, a screw rod, a first explosion-proof needle, a second explosion-proof needle and a connecting plate. According to the solid-state lithium battery, through the arrangement of the explosion-proof membrane, the first explosion-proof needle and the second explosion-proof needle, the pressure relief treatment on the swelled solid-state lithium battery is facilitated; and meanwhile, the heat dissipation treatment on the solid-state lithium battery body is facilitated by utilizing the installation of the cooling fin, the heat conduction column, the heat conduction fin and the radiator, so that the service life is prolonged; and meanwhile, the limiting block is located in the through hole formed in the limiting seat, so that the sealing cover and a containing box are relatively fixed, the solid-state lithium battery body is fixed, a traditional fixing mode is changed, and the solid-state lithium battery is convenient to disassemble, assemble and maintain.

The invention discloses a noninvasive glucometer monitoring device. The device comprises a charging column, a connecting column and a meter shell; a touch screen is embedded in the center of the top end of the meter shell; a mounting ring is fixedly mounted in the meter shell; a power source is embedded in the center of the mounting ring; the four corners of the bottom end of the mounting ring are fixedly connected with the top ends of mounting pieces through bolts; the bottom ends of the mounting pieces are fixedly connected with one ends of connecting bases; the other ends of the connecting bases are fixedly connected with the two ends of the connecting column; the connecting column is evenly and fixedly sleeved with connecting pieces; the top ends of the connecting pieces are attached to the bottom end of the power source; and the bottom ends of the connecting pieces are fixedly connected with the top end of a circuit board. According to the device, The blood glucose in the body of a detected person can be detected through an arranged monitor, an existing blood glucose detection mode is changed, meanwhile, physiological pain of a user can be avoided, consumables are not needed, repeated continuous detection in one day is achieved, daily health examination is facilitated, and meanwhile the detection cost is reduced.

The invention relates to the technical field of display equipment, and discloses a frame structure, a liquid crystal module and an assembly method of the liquid crystal module. The frame structure comprises a front frame and an intermediate frame, wherein the front frame is arranged around a glass panel and is hooked at a front part of the glass panel, the front frame is in soft contact with the front part of the glass panel, one end of the intermediate frame is attached onto a back part of the glass panel, the glass panel is pressed jointly by the intermediate frame and the front frame, the other end of the intermediate frame is connected with a back panel, and the intermediate frame is clamped with the front frame. By the frame structure, a fixing mode of the glass panel and a side frameis changed, the fixed connection reliability is improved, the glass characteristic of the glass panel can be protected by soft contact of the front frame and the front part of the glass panel, and the service lifetime of the glass panel is prolonged; and by a split structure of the front frame and the intermediate frame, the frame color can be conveniently and flexibly changed, and the cost is reduced. The assembly method of the liquid crystal module is simple, convenient and flexible and is convenient to implement.

The invention discloses a perforation angle variable perforator for oil-gas well perforation, and relates to the technical field of well-completion practice of oil-gas well perforation. The perforator comprises a modularized bullet supporting device and a directional steel structure matched with the modularized bullet supporting device, a perforating bullet is mounted in the modularized bullet supporting device, the modularized bullet supporting device comprises an upper bullet supporting plate, a lower bullet supporting plate and two bullet supporting support plates, the directional steel structure comprises two directional square structures, a fixing ring and a backing ring, the modularized bullet supporting device is mounted between the two directional square structures, a hinged shaft of the modularized bullet supporting device is matched with hinged shaft holes in the directional square structures, a slide groove pin is matched with an adjusting slide groove, and an indexing fixing hole is matched with an indexing hole. On one hand, the jet flow direction of the perforator has a directional function; on the other hand, the jet flow direction of the perforating bullet can be controlled and has a wide-range variable angle adjusting function.

The invention discloses a multi-dimensional curved limiting device for electric wire and cable maintenance. The multi-dimensional curved limiting device comprises a limiting base, a twisting curved variable-diameter clamping limiting mechanism, a wrapping type expansion positioning transverse limiting device, a pre-type pull-down covering type protection mechanism and a self-service type medium pressure swing adsorption limiting device. The invention belongs to the field of electric power engineering, and particularly relates to a multi-dimensional curved limiting device for wire and cable maintenance. The curved surface principle, the dynamic principle and the nesting principle are applied to the technical field of electric power engineering, and the circumferential diameter of the spring type dynamic curved stretching elastic sleeve rod is reduced while the position of the spring type dynamic curved stretching elastic sleeve rod is changed. According to the invention, the elastic shape of the spring-type dynamic curved stretching elastic sleeve rod is utilized to fix wires and cables in different directions on the axial annular surface taking the supporting shaft as the central shaft in the twisting curved variable-diameter clamping limiting mechanism, and meanwhile, the elastic shape of the spring-type dynamic curved stretching elastic sleeve rod is utilized to change the fixing tightness, so that the technical problem that the wires and cables are fixed but not completely fixed is solved.

The invention relates to an integrated remaining needle fixing patch, which comprises a base body, the base body is composed of an upper base body and a lower base body, a remaining needle rear three-way groove is formed in the upper base body, and a fixing film is laid on the upper base body; a dressing is arranged in the middle of the lower base body, a transparent film is arranged in the middleof the dressing, an extension tube groove is formed in the side edge of the lower base body, and a notch and a channel are formed in the middle below the dressing. A pair of wings are arranged at thebottom of the lower base body, and fixing adhesive tape is arranged on the wings; the remaining needle can be integrally fixed, a puncture part, an extension tube and a tail end of the remaining needle can be integrally fixed, the problems caused by the fact that the puncture part, the extension tube and the tail end of the remaining needle are sequentially fixed step by step through a remainingneedle in an existing department are solved, and the fixing mode of the remaining needle is changed.

The invention belongs to the field of preparation of indium phosphide single crystals, and particularly discloses a method for growing indium phosphide single crystal by a VGF method. The method comprises the steps of putting raw materials into a crucible and assembling a single crystal growth furnace by adopting the VGF method, and carrying out high-temperature annealing treatment; raising the temperature of the melt, and setting a heating target value in a heating control program for heating and pressurizing; carrying out seed melting growth, setting a growth temperature, when the melting length of the seed crystal reaches 10-15mm and the rotating shoulder growth is carried out, enabling the position of the crucible to begin to descend with the descending speed being not greater than 2.5 mm / h, and automatically stopping the descending of the crucible position after the growth is finished; and conducting cooling and annealing, specifically, automatically conducting cooling and annealing after growth is finished, emptying air pressure in the furnace after the temperature is reduced to 350 DEG C, opening a furnace door after the temperature in the furnace is reduced to about 150 DEG C, and obtaining the single crystal. According to the invention, the pulling speed method is added, so that the thermal field of the indium phosphide single crystal in the growth process is more uniform, vertical orientation crystallization is more stable, more indium phosphide single crystals grow, and the qualified rate of the crystal is higher.

The invention relates to the technical fields of an electric wire and a cable, particularly to an aluminum alloy cable conductor equipped with a split type sheath connector. The aluminum alloy cable conductor comprises a wire body, wherein the wire body is formed by a pure aluminum base material and a middle alloy in a mixed smelting way; the outer side wall of the wire body is sleeved with a sheath; a connecting groove is formed in the outer side arc-shaped surface of the sheath; and a connecting sleeve is arranged on the connecting groove. The aluminum alloy cable conductor equipped with the split type sheath connector disclosed by the invention is formed by the pure aluminum base material and the middle alloy in a mixed smelting way; the wire body is sleeved with the sheath; the connecting groove with the connecting sleeve is formed in the opening end of the sheath; each outer side connecting plane of the connecting sleeve is connected with an external regulation plate equipped with an outer screw thread connecting plane and a limiting plate through an inner side connecting shaft, so that the connecting and fixing ways of the overall cable conductor can be changed conveniently by means of changing the position of each external regulation plate; and therefore, the aluminum alloy cable conductor is wider in applicable range.

The invention provides a backlight module, comprising a back plate, a functional board and a bracket, wherein the back plate comprises a bracket fixing hole; the bracket comprises a functional board supporting part and a back plate locking part; the functional board supporting part comprises a clamping body, a fastening buckle and a clamping groove, and the fastening buckle can be fixed in the clamping groove in a clamping way; the back plate locking part comprises a horizontal stop buckle, a back plate slide fastener and a back plate press part; the bracket can pass through the functional board supporting part, and the functional board supporting part has a limiting function for the bracket; the back plate locking part can be fixed in the bracket fixing hole; the horizontal stop buckle is used for limiting the horizontal displacement of the back plate locking part; the back plate press part is use for limiting the vertical displacement of the back plate locking part.

The invention discloses a pneumatic roller scraping mechanism. The mechanism comprises a fixed plate, a scraping plate, a trimming mechanism, wherein the scraping plate is arranged on one side of thefixed plate; a mounting groove is arranged under the fixed plate; a threaded channel is formed in one side of the mounting groove, and is communicated with the mounting groove; the trimming mechanismcomprises a trimming screw, a movable sleeve, an air pipe, an air pump and an elastomer; the movable sleeve has a U-shaped structure with one opening side; the movable sleeve is arranged in the mounting groove; the air pipe is arranged in the movable sleeve; the air pump is connected with the air pipe; the trimming screw is connected in the threaded channel in a threaded running-through manner, penetrates through the threaded channel and extends into the mounting groove; the trimming screw is used for pushing the movable sleeve to move, and the movable sleeve is used for driving the air pipe to move; the elastomer is connected to the outside of the trimming screw in a sleeving manner; and elastomer is elastically compressed between the end part of the trimming screw and the outer side of the fixed plate. The pneumatic roller scraping mechanism realizes multiple trimming for the scraping plate.

The invention provides an integrated injection molding type PTC heater and a preparation method thereof. The integrated injection molding type PTC heater comprises a PTC heating core and a fixing plate, the PTC heating core is arranged on the fixing plate, foaming silica gel is arranged around the PTC heating core and the fixing plate, and the foaming silica gel, the PTC heating core and the fixing plate are integrally formed through injection molding. According to the invention, the PTC heating core and the foamed silica gel are integrated through injection molding in an integrated injectionmolding mode, so that the procedure of manually screwing screws, nuts or rivets is omitted, the waterproof grade of the PTC heating core is improved through the silica gel, and the problems that the production cost of the PTC heater is increased and the waterproof grade is not high are solved.

The invention discloses a screw connecting device for an automobile interior decoration part. The screw connecting device comprises a screw, a buckle part and an elastic rib, wherein the buckle part comprises a clamping cylinder and inverted parts symmetrically arranged on the two sides of the clamping cylinder, and the clamping cylinder is connected with the inverted parts on the two sides; and the elastic rib is arranged on the inverted parts. Through the design of the specific clamping part, the corner part, the elastic rib and the clamping cylinder part, the clamping force and the anti-disengaging friction force can be achieved, the sliding of an inserting column can be prevented, the target product can be firmly fixed, the fixing mode of the traditional metal screw nut is completely changed, the fixing mode of the automobile interior part is simplified, and the target workpiece can be quickly fixed without an auxiliary tool.

The invention discloses a cutter machine for processing finished products for carbon fiber material processing. The cutter machine comprises a cutter, working plates, a bottom plate, limiting rods, a first moving rod, a connecting rod, a push rod, an air pressure telescopic rod, a mounting flange, a top plate, a limiting block, a limiting ring, a limiting column, a second moving rod, a separation rod, a rotating block, a screw rod, a connecting column, a fixing base and a supporting rod. The four corners of the center of the top end of the bottom plate are fixedly connected with the bottom ends of the limiting rods respectively. According to the device, the three working plates and the cutter are arranged so that multiple types of carbon fiber materials can be better processed at the same time, and the working efficiency is improved. Meanwhile, the cutter in the device is placed in a limiting groove formed in the first moving rod, then the limiting block is located in the center of the limiting ring, then the limiting ring is clamped and fixed through movement of the fixing base, a traditional cutter fixing mode is changed, the cutter can be disassembled and assembled easily, and the labor intensity is relieved.