74results about How to "Simple processing" patented technology

The utility model relates to a motor cooling structure, a motor and an automobile, the motor cooling structure comprises a shell, a mounting cavity is formed in the shell, an oil way structure is arranged on the inner wall, defined by the shell, of the mounting cavity, and the oil way structure is used for communicating with an external oil supply device; the stator assembly is arranged on the inner wall of the mounting cavity and is communicated with the oil path structure; the rotor assembly is inserted into the stator assembly, the rotor assembly comprises a rotor shaft and a rotor iron core, and the rotor shaft is provided with an oil inlet channel extending in the axial direction of the rotor shaft and an oil passing channel extending in the radial direction of the rotor shaft; the oil inlet channel is communicated with the oil passing channel and used for being communicated with an external oil supply device, the rotor iron core is arranged outside the rotor shaft in a sleeving mode, the rotor iron core is provided with a cooling channel which extends in the axial direction and penetrates through the two ends of the rotor iron core, and two channel openings of the cooling channel correspond to coil inner rings of the stator assembly respectively.

The invention provides a sectional type fan blade and a transportation method thereof. The sectional type fan blade comprises a blade root, the blade root is provided with a framework, and the framework is provided with a plurality of blade sections; the blade sections are connected with the framework through mounting pieces; the blade root is used for connecting a wind driven generator hub; a soft cushion is arranged at the joint of every two adjacent blade sections; the blade section is cylindrical, and the framework penetrates through the blade section. According to the sectional type fan blade, large transportation equipment does not need to be used during transportation, the road environment does not need to be changed during land transportation, the transportation efficiency is higher, the influence of the environment is smaller, and the transportation cost is lower; the fan blade framework and the fan blade are produced and machined in a sectional mode, the machining mode is simple, a large mold does not need to be used, and therefore the machining cost is greatly reduced.

The invention relates to a stacking type automatic paper press for filter paper of a filter, comprising a frame, on which archways are arranged opposite to each other, a group of paper feeding traction rollers, a forming traction roller group and a group of paper discharging traction rollers are arranged between the two archways, the paper feeding traction roller group comprises a paper feeding traction active roller and a paper feeding traction passive roller, a driving mechanism is arranged below the frame, one end of the paper feeding traction active roller, the forming traction active roller and the discharging traction active roller all pass through the archway and are synchronously driven by the driving mechanism through a synchronous mechanism, a forming traction active roller is arranged with a forming structure which can simultaneously form the shape of the filter paper, the center hole of the filter paper and the filter hole of the filter paper, and the beneficial effects of the invention are as follows: the processing method of the stacking type filter element is simplified, the processing efficiency is high, and the investment in processing equipment is greatly reduced.

The invention discloses a manufacturing mold for a drone blade, comprising an upper mold, a lower mold and a positioning pin I; the lower mold cuts a block from the left reverse angle zero degree line position to the right on the front wall of the lower mold cavity corresponding to the trailing edge of the blade; the right end face of the block corresponds to the starting position of the arc transition at the end of the blade tip, and its lower end face is lower than the lowest point of the intersection line between the front wall of the lower mold cavity and the bottom surface of the lower mold cavity, the rear end face is the inner end face of the front wall of the lower mold cavity, and the front end face is not larger than the outer end face of the front wall of the lower mold cavity; the left and right ends of the upper end face of the lower mold block are respectively provided with symmetrical positioning pins I, and the lower end face of the upper mold is provided with a positioning hole I. After the mold is closed, the positioning pin I is located in the positioning hole I; the front and rear walls of the upper and lower mold blocks are evenly provided with fixing mechanisms, and after the mold is closed, the two are fixed together by the fixing mechanism. The invention is easy to manufacture, has low manufacturing cost, high manufacturing accuracy, and low scrap rate; the drone blades manufactured by the invention are easy to demould, have low manufacturing cost, and high blade quality.

The utility model relates to a desk leg connecting structure and desk, wherein the desk leg connecting structure comprises an adjusting leg and a desk leg, the desk leg is provided with a first connecting hole and a second connecting hole, the first connecting hole is provided with a connecting piece in a penetrating manner, the connecting piece is used for connecting the adjusting leg and the desk leg, the second connecting hole is in threaded connection with an adjusting key, and the adjusting key is connected with the adjusting leg. And the adjusting key is used for adjusting the height of the adjusting foot. The utility model has the beneficial effects of convenient adjustment and simple processing mode.

The invention relates to the technical field of data storage equipment locking, in particular to a hard disk fixing device and a case, and the hard disk fixing device comprises a sliding support, a hard disk support and an elastic piece. The sliding support is used for fixing the hard disk body, the sliding support drives the plug connector of the hard disk body to slide on the hard disk support in the first direction and is used for being connected with the connector of the backboard module in an inserted mode, the hard disk body has a moving space, and therefore the problem that the hard disk body is interfered and inconvenient to install due to tolerance accumulated in manufacturing and assembling is solved. The elastic piece is arranged between the sliding support and the hard disk fixing device and can drive the sliding support to slide in the first direction, so that the hard disk body always has pressing force for pressing the backboard module, and the influence of a gap between the hard disk body and the backboard module on connection of the hard disk body and the backboard module is eliminated. Therefore, the problem of poor signal transmission between the hard disk fixing device and the backboard module is improved.

The utility model discloses a valve element for a faucet. The valve element comprises a water mixing valve element and a connecting piece installed on the water mixing valve element. The connecting piece is provided with a cold water inlet, a hot water inlet and a mixed water outlet, wherein the mixed water outlet and the cold water inlet are located on the same plane. Due to the fact that the cold water inlet, the hot water inlet and the mixed water outlet are directly machined on the connecting piece, machining interlayers used for machining the cold water inlet, the hot water inlet and the mixed water outlet do not need to be reserved in the faucet shell, the machining mode of the faucet shell can be greatly simplified, and the production cost can be reduced. Due to the fact that the wire passing hole is further formed in the connecting piece, the pipeline can conveniently penetrate through the faucet shell through the wire passing hole, and mutual abrasion between the pipeline and the faucet shell can be avoided when the pipeline makes contact with the wire passing hole in the pulling process. Due to the fact that the connecting piece is connected with the water mixing valve element through the arranged inserting buckle, connection between the connecting piece and the water mixing valve element is simple, convenient and fast.

This invention provides a method for preparing low-arsenic anhydrous hydrogen fluoride, relating to the field of hydrogen fluoride preparation technology. The preparation method includes the following steps: (1) crude hydrogen fluoride from a storage tank is passed through a primary distillation column to obtain anhydrous hydrogen fluoride. The anhydrous hydrogen fluoride is then introduced into a pretreatment tank, and potassium permanganate solution is added for stirring and reaction to obtain a mixture; (2) the mixture is sequentially passed into a secondary distillation column and a tertiary distillation column for distillation to obtain low-arsenic anhydrous hydrogen fluoride. This invention changes the non-acid-discharge method of the primary distillation column to an acid-discharge method, and sets a pretreatment process between the original primary and secondary distillations to effectively utilize potassium permanganate solution for arsenic removal. Then, the arsenic compounds in the product are oxidized and carried away through the distillation column, thereby effectively purifying the product without generating new hazardous waste. This method can increase the continuous production capability of existing hydrogen fluoride production systems without major modifications.

The invention relates to the technical field of forming equipment, in particular to storage battery conducting strip forming processing equipment and a forming process thereof, and the storage battery conducting strip forming processing equipment comprises a pressing mold structure and a supporting mold structure which are distributed up and down; the die pressing structure comprises a die pressing table, a spherical die groove is formed in the middle of the bottom of the die pressing table, a punching rod vertically penetrates through the middle of the die pressing table in a sliding mode, inclined plates are arranged on the front side wall and the rear side wall of the die pressing table, and two transverse columns are transversely arranged on the die pressing table and distributed front and back. The conducting strip is molded into a specified shape by adopting a continuous processing and one-step molding mode, so that the processing steps can be greatly reduced, the processing complexity of the conducting strip is reduced, the rapid molding processing mode is realized, the processing efficiency is effectively improved, the processing mode is simplified, and the production cost is reduced. And moreover, the cost input and the manpower input which are required to be matched with a plurality of devices for processing in the traditional mode are saved.

The utility model relates to a steel structure fixing piece for iron tower installation, which comprises two pieces of angle iron, the angle iron is symmetrically arranged, a gap is arranged on one side of the two pieces of angle iron close to each other, the fixing piece comprises a connecting block, a vertical plate, a locking plate and an abutting plate, the connecting block is arranged on the outer sides of the two pieces of angle iron, and the connecting block is of an inverted-T-shaped structure. The vertical plate is connected to the connecting block and located in a gap between the two pieces of angle iron. The angle iron connecting structure has the advantages that the connecting block is inserted between the two pieces of angle iron to form the gap, the adhesion problem caused by corrosion is effectively avoided, meanwhile, the installation and replacement process is simplified, compared with a traditional welding mode, the maintenance time and cost are greatly reduced, maintenance and replacement convenience is further improved, and the service life of the angle iron connecting structure is prolonged. And the angle irons are accurately positioned and limited through the insertion design, the situation that the overall stability is affected due to excessive deformation between the two angle irons is prevented, and therefore the safety of the structure is guaranteed.

The invention discloses automatic tube feeding equipment and a tube feeding method for a glass bottle making machine, and relates to the technical field of glass bottle preparation. The device comprises a machining table, a pushing mechanism and a pretreatment mechanism, the peripheral side of a T-shaped base of the machining table is connected with a clamping base through a connecting mechanism, the pushing mechanism is fixed to the top face of a bottom frame of the machining table through screws, and the pretreatment mechanism is fixed to the peripheral side of a rotating table plate of the machining table through screws. Multi-station design is adopted, the multiple feeding conveying belts, the multiple discharging conveying belts, the corresponding pushing mechanisms and the corresponding connecting mechanisms can be arranged according to needs, multi-station simultaneous work is achieved, the production efficiency is improved, all the stations can convey glass bottles of different heights, and the production efficiency is improved. The glass bottle-making machine can be conveyed to different glass bottle-making machines for different processing technologies, and can also be conveyed to different glass bottle-making machines for the same processing technology, so that the production efficiency is further improved, and the requirements of large-scale production are met.

This utility model provides a glue-free insulated cup, belonging to the field of insulated cups. It solves the problem of how to simplify the structure while ensuring the heat insulation effect. A glue-free insulated cup includes an outer cup layer, an aluminum foil, and an inner cup layer. The outer cup layer is fitted over the inner cup layer, and the aluminum foil is located between the inner and outer cup layers, completely covering the inner wall of the outer cup layer. The inner cup layer has an inwardly recessed heat insulation groove at one end, which is connected to the bottom of the inner cup layer. A heat insulation gap exists between the heat insulation groove and the aluminum foil. When the inner cup layer is inserted into the outer cup layer and aluminum foil, the inner and outer cup layers are snapped together. By placing the inner cup layer within an insulated cup holder formed by the outer cup layer and aluminum foil, and providing an inwardly recessed heat insulation groove on the cup body, the heat insulation structure is simplified while ensuring the heat insulation effect.

A formwork reinforcement structure includes: a straight back rib, arranged along a first direction on the outside of the formwork to provide support; and a fastener, clamped onto the straight back rib to form a corner structure, providing support for the formwork. The straight back rib and the fastener are perpendicular to each other. This formwork reinforcement structure, by splicing the straight back rib and the fastener to form a corner structure, avoids welding or bending of the back rib, simplifies construction steps, and reduces the amount of construction work. The design of the fastener clamping onto the straight back rib not only allows the fastener to provide stable support for the formwork but also facilitates the replacement of fasteners of different sizes to adapt to different construction conditions, improving the versatility and flexibility of the formwork reinforcement structure. This invention has a simple processing method, higher precision, better versatility and flexibility, and can effectively reduce construction costs, making it suitable for widespread promotion.

The invention relates to the technical field of battery water-cooling plate machining, and discloses a new energy battery water-cooling plate machining device and method.The new energy battery water-cooling plate machining device comprises a rack, brackets are symmetrically arranged on the rack in a sliding mode, each bracket comprises a T-shaped block, a carrying groove is formed in one end of each T-shaped block, a penetrating groove is formed in one side of each T-shaped block, a push block is arranged in each penetrating groove in a sliding mode, and a right-angle block is fixedly connected to one end of each push block; a side plate is fixedly connected to one side of the push block, an inclined groove face is arranged at the end, away from the push block, of the side plate, a U-shaped groove is formed in the carrying groove, a supporting claw is rotationally arranged in the U-shaped groove, one end of the supporting claw abuts against the lower portion of the right-angle block, a sector plate is fixedly connected to the other end of the supporting claw, a shaft rod is fixed to the axis of the sector plate, and a moving rod is fixed to the side face of the sector plate. The machining precision is improved, automobile battery water-cooling plates of different specifications can be machined, the method is easy and convenient to operate, high-precision cutting machining is conducted on water-cooling plate hole grooves, and the method is suitable for batch production of new energy automobile water-cooling plate assemblies.

The utility model belongs to the technical field of mold equipment, and particularly relates to a plastic mold. The plastic mold comprises a mold body and a plugging block, a shape follow-up water tank is arranged on the back side of the mold body, and a water inlet pipe and a water outlet pipe are arranged at the two ends of the shape follow-up water tank respectively; the shape of the blocking block is matched with the shape of the shape-followed water tank, and the blocking block is detachably blocked at the notch of the shape-followed water tank, so that the blocking surface of the blocking block and the shape-followed water tank jointly define a shape-followed water path. The conformal water tank on the plastic mould can be processed by adopting a numerical control processing center according to the trend of the working surface of the mould body, the processing mode is simple, the processing precision is high, the cost is low, then the plugging block is plugged at the notch of the conformal water tank to form the conformal water path, and cooling water absorbs waste heat on an injection molding part through the conformal water path, so that the cooling efficiency is improved. And the cooling requirement of the injection molding part is met.

The utility model discloses a wire harness shearing machine, which belongs to the technical field of mechanical equipment and comprises a frame. A fixing table is fixedly arranged on the machine frame, a lower receding groove is formed in the fixing table, and two lower cutters are fixedly arranged on the lower receding groove; an installation table is fixedly arranged on the machine frame, a first air cylinder is fixedly arranged on the installation table, a movable block is fixedly arranged on an output shaft of the first air cylinder, an upper receding groove is formed in the movable block, and two upper cutters are fixedly arranged in the upper receding groove. A receding hole is formed in the upper receding groove, a second air cylinder is fixedly arranged in the receding hole, a breaking knife is fixedly arranged on the second air cylinder, and the device has the advantage of being simple in machining mode.

The invention belongs to the technical field of high polymer material modification, and particularly relates to a flame-retardant reinforced plastic tray special material, in particular to a flame-retardant reinforced plastic tray special material for preparing a plastic tray through an injection molding process, and discloses a preparation method of the flame-retardant reinforced plastic tray special material. The invention relates to a special flame-retardant enhanced material for a plastic tray. The special flame-retardant enhanced material is prepared from HDPE (high-density polyethylene) resin, a flame retardant master batch, a polyethylene grafting material, thermosetting epoxy resin, a high-temperature curing agent, a normal-temperature curing agent, a curing accelerator, petroleum resin, talcum powder, a lubricant, an antioxidant and a light stabilizer as raw material systems through melt extrusion and granulation. The special material for the flame-retardant reinforced plastic tray not only has flame retardance, but also has good rigidity and toughness, especially has high elongation at break, and improves the bearing capacity and the application range of a common tray.

The present invention discloses a motor housing drilling machine and a drilling tool thereof. A pneumatic indexing plate is rotatably provided in the machine platform. The pneumatic indexing plate is rotatably connected to a mounting plate. A support plate is fixedly connected in an array on the pneumatic indexing plate. A mounting platform is fixedly provided on one side of the machine platform. A driving assembly is fixedly provided on the mounting platform. A cylinder three is fixedly provided on the driving assembly. A tool holder is fixedly connected to the output end of the cylinder three. A ring block is rotatably provided on the tool holder. A mounting block is fixedly provided in an array on the side of the ring block. A straight groove is provided on the mounting block. A locking screw is installed at one end of the mounting block. The drilling tool comprises a drill seat. A ring groove is provided on the side of the drill seat. The drill seat slides in the straight groove. The ring groove is slidably connected to a guide convex strip. A bevel gear two is fixedly provided on the drill seat. The bevel gear two cooperates with a bevel gear one. The drilling machine of the present invention feeds a plurality of motor housings through a pneumatic indexing plate. The pneumatic indexing plate clamps and fixes the motor housings. The moving block adjusts the rotation processing of the motor housings. The drilling tool can be used for drilling and chamfering.

The invention discloses a device for auxiliary detection of a composite plug gauge, which comprises a left half block and a right half block which are of arc-shaped structures, the left half block and the right half block are combined together to form a complete round hole, and the left side and the right side of each of the left half block and the right half block are respectively provided with a clamping and fixing part extending outwards. The left half block and the right half block are combined together to form the complete round hole, the round hole just adapts to the maximum size of the combined plug gauge when the combined plug gauge is combined together, the combined plug gauge is clamped and fixed through the round hole, integration is achieved, the dimensional tolerance of the combined plug gauge can be directly measured, and a final result is obtained. Compared with the prior art, the machining mode is simpler, clamping, positioning and measuring can be rapidly carried out, the problem that combined plug gauges need to be detected one by one and cannot be directly measured during detection is solved, and the detection time of the combined plug gauges is shortened. In addition, the device has the advantages of being simple in structure, convenient and reliable to use, low in production and manufacturing cost and the like.

The present application relates to an elastic jack terminal, a connection socket and an electrical connector. The elastic jack terminal further includes a mounting shaft section, a contact structure and a positioning structure. The contact structure is connected to the end of the mounting shaft section. The contact structure includes a plurality of contact arms. The plurality of contact arms are arranged at intervals in the circumferential direction of the mounting shaft section to enclose and form a plug hole for a pin terminal to be inserted. The contact arms are elastic bodies, enabling the plug hole to elastically expand and contract. The positioning structure includes a connecting arm and an abutting ring. The abutting ring has a through hole. Along the central axis of the mounting shaft section, the abutting ring is located at one end of the contact structure away from the mounting shaft section and is arranged at an interval from the contact structure. The abutting ring is used for abutting and positioning with an insulator. The through hole is aligned with the plug hole. One end of the connecting arm is connected to the mounting shaft section, and the other end is connected to the abutting ring. Both the contact structure and the positioning structure are generally annular structures, so they can be directly formed by rolling and stamping a sheet material, and the processing method is simple.

The utility model relates to the technical field of batteries, in particular to a cover plate assembly and a single battery, which comprises a cover plate body, a cover plate through hole and a cover plate, the electrode terminal at least partially penetrates through the cover plate through hole; the connecting piece is provided with a connecting area used for being welded with an electrode terminal, and the connecting piece is used for being connected with a tab led out from an electrode assembly; wherein the surface of the connecting area is provided with irregularly arranged concave-convex structures or the surface of the connecting area is provided with an anti-reflection layer. According to the technical scheme, the irregularly-arranged concave-convex structures or the anti-reflection layers are arranged on the surfaces of the connecting areas, the roughness of the connecting areas is increased, the reflection rate of laser irradiated on the connecting areas during laser welding is reduced, and therefore insufficient welding or poor welding caused by reflection is avoided, the welding effect is remarkably improved, and the welding quality is improved. And effective fusion depth and fusion width are ensured.

The present invention provides a battery manufacturing method and a battery, belonging to the field of battery technology, wherein the battery manufacturing method comprises: assembling a core pack, a top cover and an outer shell to form a battery body; pre-treating the outer surface of the battery body; spraying insulating powder on the outer surface of the pre-treated battery body by a powder spraying process, and curing to form an insulating layer; baking the cured battery body, and injecting electrolyte after baking. The battery manufacturing method provided by the present invention directly pre-treats, sprays insulating powder and cures on the surface of the assembled battery body, eliminating the process of coating the outside of the battery, and the process is simple, improving the processing efficiency and processing quality of the insulating layer. When the powder spraying process is performed, the battery body is not charged, the powder spraying process is safer, and a high-temperature curing method can be used to improve the processing efficiency. The high-temperature curing process will not affect the electrolyte, ensuring the battery quality.

The invention provides an ultrasonic probe, an auxiliary positioning jig and a preparation method of the ultrasonic probe, a first cutting groove and a second cutting groove of a matching layer of the ultrasonic probe are correspondingly arranged and are communicated to form a piezoelectric interval, so that a piezoelectric layer forms a plurality of piezoelectric sub-units arranged at intervals, namely the piezoelectric sub-units are formed through secondary cutting. In the matching layer of the ultrasonic probe prepared by the preparation method, the piezoelectric interval between the two adjacent piezoelectric sub-units is formed by secondary cutting in opposite directions, so that the ratio of the width of the formed piezoelectric sub-units to the thickness of the piezoelectric layer can reach 1 / 60-1 / 4, and on the basis of ensuring that the processing operation is simple and feasible, the piezoelectric interval between the two piezoelectric sub-units is greatly reduced. The piezoelectric sub-unit can reach a large thickness, and the center frequency of the ultrasonic probe can be effectively reduced, so that the penetrating power of the ultrasonic probe is effectively increased, the imaging depth of the ultrasonic probe is improved, and the application range of the ultrasonic probe is expanded.

The invention discloses a composite conductor and a preparation method and device thereof, and relates to the technical field of conductors. The preparation method of the composite conductor comprises the following steps: providing a conductor, wherein the conductor comprises a plurality of conductive metals and a plurality of graphene coating layers combined on the surfaces of the plurality of conductive metals; pouring a metal melt on the surface of the conductor, and connecting the metal melt with at least one conductive metal to form a first conductive layer; and preparing a first graphene deposition layer on the surface of the first conductive layer to form a first conductor, thereby obtaining the composite conductor. According to the preparation method of the composite conductor provided by the invention, the continuity of the graphene in the composite conductor can be improved, the content of the graphene in the composite conductor is increased, the uniform distribution of the graphene in the composite conductor is promoted, the graphene can fully play a role in improving the performance of the composite conductor, and the electrical conductivity and thermal conductivity of the composite conductor are improved; by adopting the mode of pouring the metal melt, the damage of the subsequent extrusion process to the uniform, ordered and continuous distribution structure of the graphene can be reduced, the cost is low, and the operation is simple.

The utility model aims at providing a steam generating device, including bottom plate and steam subassembly, is set up with a plurality of recesses on the bottom plate, and the steam subassembly includes first end block, second end block, through pipe and a plurality of pipes, first end block and second end block are arranged respectively in the two ends of the bottom plate, a plurality of first flow grooves are set up on the first end block, each first flow groove is communicated with each recess respectively, second end block is set up with second flow groove, one end of each pipe is communicated with each first flow groove respectively, the other end of each pipe is communicated with both ends of second flow groove respectively, recess, first flow groove and pipe form a S shape channel jointly, one end of through pipe is communicated with second flow groove, the other end of through pipe is worn in first end block, and it extends from the end of first end block away from second end block, and through pipe is used for communicating with water source. In this way, reduce production cost and assembly difficulty, thereby improve production efficiency.

This utility model discloses a steam heater structure for preventing water hammer, including two manifolds and multiple branch pipes; two sheet metal frames are provided between the two manifolds; multiple sleeve plates are provided between the two sheet metal frames; the sleeve plates abut against each of the branch pipes; two locking parts are provided between the two sheet metal frames; each locking part includes a threaded rod and two wing nuts. There are no bends, and the multiple branch pipes reduce pipe impact, completely avoiding water hammer. The sleeve plates increase the heat exchange area, balancing the temperature difference between the branch pipes and improving heat exchange efficiency. The sleeve plates and branch pipes are separate components, simplifying processing and reducing production costs; the threaded rods and wing nuts install the sleeve plates between the two sheet metal frames, allowing for flexible adjustment of the number of sleeve plates according to different working conditions.

This invention belongs to the field of surface polishing technology, and relates to a water-based polishing wax and its preparation method. The water-based polishing wax comprises a first component and a second component. The water-based polishing wax is formed by mixing a slurry of the first component and a viscous liquid of the second component. The first component includes liquid paraffin, glycerin, Tween, acrylic resin, gloss agent, silica micropowder, hydroxyl silicone oil, dispersant, silicon carbide, cerium oxide, and deionized water. The second component includes an acrylic thickener and deionized water. This invention provides a water-based polishing wax with extremely low VOC content, no irritating odor, reduces the risk of thermal damage to the substrate, and improves the surface microstructure quality, as well as its preparation method.

The application provides a heat dissipation device, an electronic module and an energy storage device. The heat dissipation device comprises a heat conduction member, the heat conduction member is integrally formed with a first heat conduction part and a second heat conduction part; the cross sections of the first heat conduction part and the second heat conduction part are circular in a direction perpendicular to a circuit board, and the diameter of the first heat conduction part is smaller than that of the second heat conduction part; the first heat conduction part is arranged in a through hole and is in heat conduction connection with an electronic device; and the second heat conduction part is fixedly connected to the circuit board. The heat conduction member is integrally formed, the heat conduction efficiency is better, the heat dissipation effect is better, the turning processing is easier, the processing mode is simpler, the production manufacturing cost is reduced, and the production benefit is improved.

The utility model discloses a metal chip collection tool belongs to the field of aviation manufacturing maintenance technology, is the blocky integral structure, its bottom surface and structural member are pasted, its upper surface is made into the inclined plane that is inclined to head, and the front and rear metal chip lead-out hole is made between bottom surface and upper surface, and the opening of metal chip lead-out hole on the upper surface is the working groove hole, and the through hole is made as the contact groove hole at the working groove hole for the rivet or screw that is exposed for cutting, is used to; the circular groove is made to the tail end surface of metal chip collection tool, is used for connecting metal chip collection bottle, and the drill bit passes through working groove hole and contact groove hole and carries out cutting decomposition, and the metal chip enters metal chip collection bottle through metal chip lead-out hole and realizes collection. The utility model can collect the metal chip automatically while decomposing the rivet or screw, and the operation is simple, does not need to help pneumatics or electric device, improves the feasibility of operator's operation in the narrow space.

The utility model relates to the field of wall ceramic tile construction, and discloses a simple wall ceramic tile flatness adjusting device which comprises a T-shaped handle, the bottom end of the T-shaped handle is fixedly connected with a circular pipe, the outer wall of the circular pipe is sleeved with a movable sleeve, the outer wall of the movable sleeve is provided with a contact mechanism, the inner wall of the circular pipe is fixedly connected with a T-shaped block, and the T-shaped block is fixedly connected with the bottom end of the T-shaped handle. An I-shaped steel needle is fixedly connected to the bottom end of a T-shaped block, a limiting block is elastically connected to the inner wall of the left end of a movable sleeve through a reset spring, a limiting groove is formed in the outer wall of a round pipe, and the inner wall of the left end of the movable sleeve is fixedly connected with one end of the reset spring. The whole I-shaped steel needle is rotated to be hooked with the bottom end of the ceramic tile, the two adjacent ceramic tiles are adjusted to be on the same plane through threaded adjustment of the threaded sleeve and the movable sleeve, machining operation is easy in actual operation, it is guaranteed that the wall ceramic tile forming effect is reliable, and the market popularization value is high.