627results about How to "Fastened firmly" patented technology

The invention discloses a camera head for artificial intelligence which is easy to assemble and disassemble. It comprises a mounting plate and a fixing plate. The camera body and the lower part of the outer surface of the fixed plate are fixedly connected with two symmetrical baffles. The camera for artificial intelligence that is easy to disassemble and assemble can be snap-fitted to the fixed plate, and can quickly disassemble and assemble the camera. The falling of the fixing plate and the camera body can be avoided, and the fixing plate and the camera body can be taken out without disassembling the mounting plate. In normal use, it has a certain buffer performance, which ensures the relative stability of the fixed plate and the camera body, good stability and more convenient use.

The invention discloses a connecting device of a drawer front panel and a drawer side panel, which consists of a forward-aligned code fixedly arranged on the drawer front panel and a locking bracket fixedly arranged on the drawer side panel; the forward-aligned code is provided with a end face trigger and a locking groove which has the locking slot structure that has two-side symmetry; the locking groove comprises a bottom board, a main bracket, a rotary sliding block, a spring and a lever; the forward alignment code is inserted into the guiding groove of the main groove; the end face trigger of the forward-aligned code collides with the triggering baffle of the rotary sliding block, causing the rotary sliding block to rotate and the locking buckle of the rotary sliding block buckles the locking groove of the forward alignment code, locking the forward-aligned code and connecting the drawer front panel and the drawer side panel. The rotary sliding block of the invention adopts a fan-shaped sliding block of double-layer symmetric structure and the forward-aligned code is of double-faced symmetric locking groove structure and the double-layer rotary sliding block is provide with two symmetric locking buckles that are connected with the locking groove, thus ensuring the forward alignment code and the drawer front panel are stably to be fixed on the drawer side panel.

The invention relates to a metallic bond, a diamond grinding wheel prepared through the bond and a preparation method of the diamond grinding wheel. The metallic bond comprises, by weight percent, 95%-99% of copper-tin prealloyed powder, 0.5%-3% of graphite powder and 0.5%-2% of nanometer alpha-Al2O3. The copper-tin prealloyed powder, the graphite powder, the nanometer alpha-Al2O3 and diamond are taken according to a certain proportion, procedures of burdening and material mixing, pelletizing, compression, sintering and aftertreatment are carried out in sequence, and tool bits can be prepared. The multiple tool bits are arranged on a matrix at equal distance in the circumferential direction, the cambered surfaces of the tool bits are perpendicular to the matrix, and the diamond grinding wheel is prepared. The above tool bits are uniform in ingredient and good in density, diamond distribution is uniform, and the control effect of the metallic bond on the diamond is good. The grinding wheel has the beneficial effects of being good in ground workpiece surface quality, free of dark cracks and scratches, sharp in grinding and long in service life, facilitating large-scale production and the like and is especially suitable for producing sapphire wafers with the thinning thickness ranging from 100 micrometers to 700 micrometers.

The invention relates to the field of machining of centerless grinding machines, in particular to a machining process of a loading and unloading conveying device and step shaft sleeves of a centerlessgrinding machine. The centerless grinding machine comprises a grinding machine base, a grinding wheel, an adjusting wheel and a workpiece bracket; the loading and unloading conveying device comprisesa control cabinet, a feeding mechanism, a discharge bin, a loading and unloading conveying mechanism, a loading and unloading clamping mechanism and a pushing device; the control cabinet is electrically connected with the feeding mechanism, the loading and unloading conveying mechanism and the loading and unloading clamping mechanism; the feeding mechanism takes the charge of tidily placing the step shaft sleeves in sequence; the loading and unloading conveying device is an operating procedure of supporting the loading and unloading clamping mechanism, so that the step shaft sleeves are smoothly loaded and unloaded on the grinding machine, and the manual loading time is saved; through cooperation of the pushing device and the discharge bin, full-automatic grinding is realized, so that thelabor intensity of operators is effectively reduced; and a loading clamping hand and an unloading clamping hand can once clamp at least two step shaft sleeves, so that one half of the machining timeis saved, the labor productivity is improved, and the batch production is achieved.

The invention discloses an easy-to-use hub grinding device, which comprises a base plate, support legs are fixedly connected to both sides of the bottom of the base plate, vertical plates are fixedly connected to both sides of the upper surface of the base plate, and two vertical plates The opposite side is fixedly connected with a vertical slide rail, the top and bottom of the inner wall of the vertical slide rail are connected by a slide bar, and a slide block is slidably connected in the vertical slide rail, and the slide block is sleeved on the slide On the rod, a return spring is sleeved on the sliding rod and below the slider. Through the improvement of the grinding machine, when the lifting plate is pressed down, the grinding disc of the grinding machine can be brought into contact with the wheel hub. After the lifting plate is released, the grinding machine can be returned to its position under the action of the return spring. The use of the spring can stably clamp the wheel hub, thereby facilitating the grinding of the wheel hub. When the two movable blocks are rotated in the annular slide rail at the same time, the wheel hub can be driven to rotate, thereby facilitating grinding of other positions of the wheel hub.

The invention discloses a high-safety electric power supply device, including a power supply base formed by an execution part and a power supply part and a plug piece used for being matched and connected with the power supply base, the bottom of the lower right side of the execution part is provided with a first sliding groove, a first screw is arranged in the first sliding groove, the right side end of the first screw is in power connection with a first motor, the first screw is provided with locking guide sliding blocks connected therewith in a screw-thread fit mode, a second sliding groove is arranged in the locking guide sliding block, a second screw is arranged in the second sliding groove, the right side end of the second screw is in power connection with a second motor, the bottom of the second sliding groove is provided with an installation groove, an accommodating cavity is arranged in the locking guide sliding block at the left side of the installation groove, a movable locking piece is arranged in the accommodating cavity, the top of the movable locking piece stretches into the second sliding groove and is in screw-thread fit with the second screw, a placing cavity is arranged in the locking guide sliding block at the right side of the installation groove, the lower side of the placing cavity is provided with a clamping groove, and an inclined plane guide sliding groove is arranged between the clamping groove and the installation groove.

The invention discloses a charging mechanism which is capable of charging stably and has a turnover function. The charging mechanism comprises a bottom plate; two first fixing blocks and two second fixing blocks are fixedly connected with the two sides of the upper surface of the bottom plate respectively; the two first fixing blocks are located at the front end and the rear end of one side of the bottom plate respectively; the two second fixing blocks are located at the front end and the rear end of the other side of the bottom plate respectively; the opposite sides of the two first fixing blocks are connected through a first rotating rod; the opposite sides of the two second fixing block are connected through a second rotating rod; a rolling wheel is arranged on the first rotating rod in a sleeving manner; a rolling wheel is arranged on the second rotating rod in a sleeving manner; and the two rolling wheels are connected in a transmission manner through a conveying belt. Through the improvement on the conveying belt, when a first motor drives the first rotating rod to rotate through a driving gear and a driven gear, the conveying belt can rotate stably through the matched use of the second rotating rod, and the stable charging effect is achieved through the matched use of clamping plates on the conveying belt, by this time, materials may fall on supporting plates, a second motor can drive the supporting plates to rotate through a driving wheel and a driven wheel, and can turn over the materials on the supporting plates.

The invention relates to the technical field of power cable retracting and deploying vehicles, and discloses a retracting and deploying device of a power cable. The retracting and deploying device comprises a base, wherein slide devices are fixedly mounted on four corners of the bottom end of the base; a transfer frame is fixedly mounted at one side of the front surface of the top end of the base;five rolling shafts are movably in sleeve connection on front and rear surfaces of the transfer frame; a conveyor belt is rolled outside the five rolling shafts; one side, close to the transfer frame, of the back surface of the top end of the base is fixedly equipped with an asynchronous motor; and one rolling shaft penetrates through and extends to the outer part of the back surface of the transfer frame, and is fixedly in sleeve connection with the output shaft of the asynchronous motor. According to the retracting and deploying device of the power cable disclosed by the invention, fixed steel blocks, riveting nuts and rivets are matched for use, so that a cable can pass through a brush, dust and stone aggregates on the surface of the cable can be cleared off by the brush, and the surface of the cable is kept clean, and therefore, the purpose of cleaning the surface of the cable by the retracting and deploying device of the power cable is achieved.

The invention relates to an automatic medicine dispensing machine for penicillin bottles, and belongs to the technical field of medicine dispensing machines. The automatic medicine dispensing machinefor penicillin bottles comprises a bottle delivery mechanism, a piercing mechanism and a pumping mechanism, wherein the bottle delivery mechanism can rotate peripherally and is used for conveying thepenicillin bottles to preset positions, the piercing mechanism can move vertically and is used for piercing the penicillin bottles at the preset positions, and the pumping mechanism is used for pumping medicinal liquid; the bottle delivery mechanism is driven by a first driving motor and provided with multiple clamping parts used for clamping the penicillin bottles, the piercing mechanism is driven by a second driving motor and connected with the pumping mechanism through a penicillin liquid dispensing pipeline, and when the piercing mechanism pierces the penicillin bottles, the pumping mechanism can help the medicinal liquid to be fed into the penicillin bottles or pumping out mixed medicinal liquid in the penicillin bottles . The automatic medicine dispensing machine for the penicillin bottles can freely match the several kinds of penicillin bottles, is high in automation degree, realizes automatic arrangement of the medicinal liquid, improves working efficiency, saves labor, guarantees the safety of medicine dispensing, and avoids that medical workers are pierced by needles.

An improved thread section for screws to reduce the torsional force of fastening and provide a tighter coupling to prevent loosening off mainly includes a head and a shank with a thread section. The thread section has a front portion forming inverse front latch threads and a rear portion forming inverse rear latch threads. The front latch threads have a upper portion with four teeth formed on four sides of each thread. Two neighboring teeth form an interval which has a debris collection trough. The front latch threads and rear latch threads can trap a portion of debris in the screw bore. The four teeth can enhance cutting effect during fastening. The debris collection troughs can hold more debris to reduce the resistance during fastening. The gathered debris can increase the coupling tightness between the screw and the screw bore. Thus the invention enables the screw to be fastened more firmly without loosening off and also reduces the torsional force during fastening.

The invention discloses a bolt conducting clamping more stably. The bolt comprises a bolt rod. A fixed device and a movable plate are arranged in the bolt rod. The movable plate is located below the fixed device. The bottom of the movable plate is fixedly connected with one end of a fixed rod. The other end of the fixed rod sequentially penetrates the bolt rod and a clamping device and extends into the clamping device. The clamping device is located at the bottom of the bolt rod. A connecting rod used in cooperation with the fixed device is arranged in the bolt rod. The end, far away from the fixed device, of the connecting rod sequentially penetrates the bolt rod and an installing block and extends to the outer portion of the installing block to be fixedly connected with the bottom of a pressing block. The installing block is located on the top of the bolt rod. According to the bolt conducting clamping more stably, the purpose of more stable clamping is achieved, loosening of connection of components is avoided, and normal usage of the components is guaranteed; and damage of the device is avoided, economic losses are reduced, and the bolt is suitable for usage and popularization.

The invention relates to an exhaust assembly of an air conditioner and the air conditioner. The exhaust assembly is mounted between an air conditioner exhaust outlet and an indoor exhaust outlet and is composed of an exhaust pipe, a first joint and a second joint; two ends of the exhaust pipe are respectively spliced into the first joint and the second joint; a first step and a second step are respectively formed on the outer side walls at two ends of the exhaust pipe through injection molding along the circumferential direction, one end of the first joint is fixedly connected with the air conditioner and communicates with the air conditioner exhaust outlet, and the other end of the first joint is integrally connected with a plurality of first elastic clamping and connecting parts adapted and clamped onto the first step; and one end of the second joint communicates with the indoor exhaust outlet, and the other end of the second joint is integrally connected with a plurality of second elastic clamping and connecting parts adapted and clamped onto the second step. The exhaust assembly of the air conditioner is convenient, rapid and efficient in mounting, not easy to loose and convenient to mount and dismount because the joints and the exhaust pipe can be connected by lightly pressing.

The invention aims at providing a stator core which is formed by serrated units buckled mutually and needs no pressure holding or welding. The stator core provided by the invention comprises a plurality of serrated units assembled together in a circumferential direction, each serrated unit is provided with a teeth part used for twisting wire and a yoke part positioned at one end of the teeth part, a circular arc bulge is arranged at one end of the yoke part, a groove matched with the bulge in shape is arranged on the other end of the yoke part, and one serrated unit is matched with the groove of an adjacent serrated unit by the bulge, so as to form a planar hinge capable of rotating relatively between two adjacent serrated units.

The invention discloses a single-direction and double-direction clutch mechanism. In the single-direction and double-direction clutch mechanism, a group of cam curved surfaces are arranged on the outer circumference of a cam; the cam curved surfaces are smooth curved surfaces with lift characteristics; each cam curved surface is distributed on the outer circumference of the cam in the same rotating direction; pin roller mounting gaps corresponding to the cam curved surfaces are reserved on a floating sleeve; pin rollers are arranged in the pin roller mounting gaps; magnetic steel is arranged between the floating sleeve and the cam; the floating sleeve can push the pin rollers to the lift direction of the cam curved surfaces through the magnetic steel; a clamping platform is arranged on any end face of the cam; a ratchet platform mechanism with a ratchet platform is fixedly sleeved on a driving shaft on the outer side of the clamping platform; and the ratchet platform is clamped with the clamping platform. The ratchet platform mechanism is singly arranged, so that single-direction and double-direction overrunning clutch can be realized well.

A test tube holder used for medical examination is disclosed. The test tube holder includes two holding bars, a connecting bar shaft and two arc-shaped clamping plates. Two vertical supporting bars are provided with a rotation gear. The inner side of the rotation gear is connected to the external walls of the vertical supporting bars through a ratchet mechanism. The ratchet mechanism includes an outer ring sleeve the internal side wall of which is provided with a plurality of wedgy ratchet slots, and an inner ring sleeve the external side wall of which is provided with a plurality of ratchets.A side surface, close to a fixed plate, of a pushing plate is provided with a plurality of limiting guide bars penetrating the fixed plate and slidingly connected to the fixed plate. One end, of eachof the plurality of limiting guide bars, close to the rotation gear penetrates into one of a plurality limiting through slots in the end surface of the inner ring sleeve. Two sides of the rotation gear are provided with arc-shaped racks meshed with the rotation gear, and one end of each of the arc-shaped racks is fixedly connected to the middle of the corresponding holding bar. The test tube holder is simple in structure, convenient to use, labor-saving, firm to hold, capable of protecting a test tube from dropping and high in practicability.

The invention discloses a bidirectional output unidirectional clutch mechanism. The external periphery of a spline cam is respectively provided with a group of cam surfaces and convex columns uniformly, wherein the cam surfaces are circular and smooth with a lifting property, and each cam surface is distributed on the external periphery of the spline cam in the same rotation direction; a retaineris respectively uniformly provided with corresponding roller column installation gaps and radial compressed spring installation gaps; each roller column installation gap is internally provided with aroller column and a radial compressed spring; the radial compressed springs can enable the retainer to push the roller columns to the lifting direction of the cam surfaces; and each end surface of each gear is provided with a clamp bench, a spline housing spine set mechanism is fixedly sleeved on a transmission shaft at the outer side of the clamp bench, and the spline housing spine set in the spline housing spine set mechanism is clamped with the clamp benches of the gears. According to the invention, the function of the bidirectional output unidirectional clutch mechanism provided by the invention can be preferably realized through the gears and the spline housing spine set mechanism.

The invention provides an automobile air-conditioner controller knob. The automobile air-conditioner controller knob comprises knob backlights, a knob support and a knob cover cap. The knob support and the knob backlights are mounted on a circuit board, and the knob backlights correspond to the incident port at the bottom of the knob support and are arranged at intervals along the rotation track of the incident port; the top of the knob support is provided with a protruded light emitting indicating point, and a semi-transparent reflective cover covers the light emitting indicating point; the knob cover cap is snapped onto the knob support; the top of the knob cover cap is provided with a slot, and the slot is snapped onto the semi-transparent reflective cover to expose the top of the semi-transparent reflective cover. The automobile air-conditioner controller knob can achieve clear indication at both daytime and night time; compared with existing structures of spraying paint on light indicating points, the improved structure is uniform in light transmittance; appearance defect of local light leakage due to paint peeling can be avoided.

The invention discloses a resin anchoring agent bag breaking and stirring device which comprises a sleeve. An opening is formed in the lower end of the sleeve, at least two breaking cutters are uniformly and fixedly arranged at the top of the sleeve along a peripheral direction, the maximum rotation diameter of each breaking cutter is equal to the outer diameter of the sleeve, and a plurality of screw stirring ribs are arranged on the periphery of the sleeve at intervals. The invention further discloses a resin anchoring agent bag breaking and stirring device method. The device is simple in structure, convenient to use, reasonable in design and high in practicability and can effectively solve the problems that breaking effects of resin anchoring agent bags are not ideal, and anchoring force is affected in a current anchor rod or anchor cable support. An efficient device is provided for breaking of the resin anchoring agent bags, stirring effects of resin anchoring agents can be effectively improved, materials in the resin anchoring agent are more sufficiently mixed, important guarantee is improved for improvement of quality of the anchor rod or anchor cable support, a constructionprocess of an anchor rod or anchor cable support technique is innovated, and the device has great social and economic benefits.

The invention discloses an artificial intelligent television convenient to adjust. The artificial intelligent television convenient to adjust comprises a mounting plate. A first sliding rail is fixedly connected with the obverse side of the mounting plate, a first sliding block is slidably connected with the interior of the first sliding rail, the two sides of the first sliding block are fixedly connected with one ends of two pull rods correspondingly, and the other ends of the pull rods penetrate through sliding chutes formed in the first sliding rail and are fixedly connected with one sidesof pull plates located on the outer portions of the other ends of the pull rods; and sliding plates are connected with the positions, on the outer portion of the first sliding rail, of the pull rods in a sleeving mode, and the positions, at the upper end and the lower end of each pull rod, of the sides, opposite to the sliding plates, of the pull plates are movably connected with one sides of thesliding plates through first telescopic rods. According to the artificial intelligent television convenient to adjust, through improvement of the sliding plates, when the intelligent television is adjusted to be at a certain height, the two sliding plates are loosened, the intelligent television can maintain the adjusted height under the effect of the first telescopic rods and extrusion springs, two arc-shaped clamping plates can clamp a supporting rod through cooperative using of clamping springs and baffles, and therefore the intelligent television can stably maintain the adjusted distance.

The invention discloses a power supply device for electricity. The power supply device comprises a power supply seat and a plug piece, wherein the power supply seat comprises an execution part and a power supply part, the plug piece is used for connecting the power supply seat in a matching way, a first sliding groove is formed in the bottom of a right lower part of the execution part, a first screw rod is arranged in the first sliding groove, a right side end of the first screw rod is in power connection with a first motor, a locking guide sliding block is arranged on the first screw rod and is connected with the first screw rod in a screw-thread fit way, a second sliding groove is formed in the locking guide sliding block, a second screw rod is arranged in the second sliding groove, a right side end of the second screw rod is in power connection with a second motor, an installation groove is formed in the bottom of the second sliding groove, an accommodating cavity is formed in the locking guide sliding block at a left side of the installation groove, a mobile locking block is arranged in the accommodating cavity, the top of the mobile locking block extends into the second sliding groove and is in threaded matching with the second screw rod, a placement cavity is formed in the locking guide sliding block at a right side of the installation groove, a clamping groove is formed under the placement cavity, and an inclined surface guide sliding groove is formed between the clamping groove and the installation groove.

The invention discloses a propeller device and an unmanned aerial vehicle. The propeller device comprises a propeller and a transmission part. The transmission part comprises a driven base capable of being driven to rotate and an elastic abutting part. The propeller comprises a center base body and propeller blades connected with the center base body. The driven base is fixedly connected with the center base body, and a containing groove used for containing the elastic abutting part is formed between the driven base and the center base body. The elastic abutting part is located in the containing groove and connected with the center base body and the driven base in an abutting mode. Compared with the prior art, the technical scheme can improve the structure reliability and the installation convenience of the propeller device.

The invention discloses a video camera tail circuit connector which comprises a socket body and a plug body connected with the socket body in a matched mode. The socket body comprises an RJ45 interface and a socket shell, wherein a fixture block is arranged at the front end of the socket shell. The plug body comprises an RJ45 plug and a plug shell. The plug shell comprises a connecting piece, a waterproof ring and a waterproof cap, wherein a clamping groove corresponding to the fixture block is formed in the front end of the connecting piece; a plurality of fastening claws are evenly arranged at the rear end of the connecting piece along the circumference of the connecting piece, wherein a certain gap is formed between the fastening claws and an RJ45 cable; the waterproof ring is arranged between the fastening claws and the RJ45 cable, and the axial length of the waterproof ring is larger than the length of each fastening claw; an external thread is arranged at the position, close to the fastening claws, of the connecting piece, and the waterproof cap is provided with an internal thread in corresponding threaded connection with the external thread. The video camera tail circuit connector adopts a rotary clamping structure so that waterproofing treatment can be conducted with no need for adding waterproof materials; meanwhile, the firmness of a network interface is enhanced, and the video camera tail circuit connector not only can be applied to occasions resistant to a severe environment with the dustproof and waterproof requirements, but also can realize firm connection.

The invention relates to the technical field of architectural decoration, in particular to a pass sleeve. The sleeve comprises an upper pass and a side pass, the lower portion of the upper pass is a second-order ladder structure, the upper pass is provided with barrier strips of different lengths, the lower ends of the plurality of barrier strips are arranged in a wave shape, and the bottom of a fixed block is provided with a first human body induction lamp belt; the side pass is provided with an installation slot, an arc-shaped positioning slot and a lamp housing, and an arc-shaped positioning block is arranged on the lamp housing; the lamp housing comprises a rectangular bottom shell, an arc mounting part, a rectangular cavity body, a radiator, a reflector and a lamp tray with an LED light belt; a light-emitting slot, a groove and a light-guiding column are arranged on the lamp tray; the lamp housing is provided with a lampshade which comprises a diffuser plate and a hemispherical lens, and the other side of a lampshade body is of an inclined plane structure; the lamp housing is provided with an elastic reverse button, and the lampshade is provided with an elastic button. The sleeve has the advantages of good lighting effect, no eye offending, convenient installation and disassembly, faster heat conduction speed, better heat dissipation effect and longer service life.

The invention discloses a cover opening/closing-stable miniprinter. The cover opening/closing-stable miniprinter comprises a shell main body and an upper cover; the upper cover is buckled on the shell main body; the top surface of the shell main body and the bottom surface of the upper cover are mutual matching surfaces; a buckle piece projected to the shell main body is arranged on the bottom surface of the upper cover; the shell main body is correspondingly provided with a clamping groove; the buckle piece is buckled with the clamping groove; an elastic convex point is arranged in the clamping groove, and is butted against the buckle piece towards the buckled place; the upper cover can be pushed forwards and backwards corresponding to the shell main body; and when the upper cover is opened, the upper cover is pushed, so that the elastic convex point is deviated to butt against the buckle piece, and the buckle piece is in deviation matching with the clamping groove. The buckle piece is limited in two directions to prevent staggering from the shell main body during falling to deviate from matching, so that the upper cover can be stably buckled with the shell main body, internal parts of the shell are protected, and the printing quality is improved.

The invention discloses an electric tool comprising a main body provided with a motor and an executing part, and a battery pack used for providing electric power to the motor, the battery pack is provided with an electric core and a shell, the electric tool is characterized in that the main body is provided with a first locking subassembly reciprocating along a first direction, the battery pack is provided with a second locking subassembly reciprocating in a second direction and cooperating with the first locking subassembly for locking or unlocking, and the first direction is vertical to the second direction. The electric tool provided by the invention has the beneficial effects of solving the problems of the current pushbutton and guaranteeing smart battery pack, reliable clamping with a machine and comfortable hand feeling of the pushbutton.