334results about How to "Not easy to misplace" patented technology

The invention relates to the technical field of electric tools, in particular to a wall polisher. The wall polisher comprises an operating handle, a motor and a polishing head. The polishing head comprises a top cover, a base and abrasive disc assemblies. A transmission mechanism for transmitting the torque of the motor to the abrasive disc assemblies is arranged between the top cover and the base. An output shaft of the transmission mechanism is an eccentric shaft or a concentric shaft. An abrasive disc of each abrasive disc assembly is installed at the lower end of the eccentric shaft or the concentric shaft. The base is internally provided with a rotating disk, one side of the rotating disk is provided with a shifting handle, the rotating disk is provided with one or more limiting holes, the top cover is fixedly provided with a positioning rod stretching into the limiting holes, and the limiting holes can clamp or loosen the positioning rod through the rotation of the rotating disk. According to the wall polisher, the two different abrasive disk assemblies are usually prepared, the output shaft of the transmission mechanism of one abrasive disk is the eccentric shaft, the other output shaft of the transmission mechanism of the other abrasive disk is the concentric shaft, different abrasive disk assemblies can be rapidly switched, and therefore the wall corner can be polished very conveniently.

The invention discloses a manufacturing method of an emulational synchronous lines marked facing man-made panel which consists of the following steps: patterns can be obtained by shooting or according to real objects to design the patterns, and the patterns are decomposed into corresponding two parts by using the technology of computer image processing; a grounding pattern is printed on decoration paper, and a texture pattern is made to be a corresponding solid relief sculpture as a die mold; the decoration paper which is printed with the grounding pattern and other planks that are necessary to lead the facing man-made panel to be folded according to requirements; the die mold is corresponding to the decoration paper with the grounding pattern according to an original real object, and the folded planks are thermally pressed by the die mold; dye needed is coated on the surface of the sinking position of the plank pressed, and the emulational synchronous lines marked facing man-made panel can be obtained by removing the dye on the convex part and solidifying the dye. The emulational synchronous lines marked facing man-made panel uses the method to separate plane patterns on the real object patterns from the patterns which can reflect the solid effect, and the method has the advantages of low cost and high rate of finished products when the emulational man-made plate with the solid effect is made.

A sleeve for storing a Y-shaped cord without tangling and a method of managing a Y-shaped cord by grouping a plurality of the cord loose ends in the sleeve, each into a separate portion, forming a closed loop. The sleeve is triangular-shaped, having a conical sidewall with an open top end and an open bottom end. Inside the sleeve, the ends of the cord are separated by at least one fastener. The closed loop makes it less likely that the cord will tangle with other objects or with itself. If the cord does tangle when in the closed loop, the topology of the closed loop makes untangling the cord simpler and quicker than if the ends were loose. When using the Y-cord, the sleeve remains on the cord, not interfering with the cord functioning and not easily lost.

The invention discloses a 3D printer and a horizontal movement method of the 3D printer. The 3D printer comprises a rack, a horizontal movement mechanism installed on the rack, and a printer head installed on the horizontal movement mechanism. The 3D printer is characterized in that the horizontal movement mechanism comprises a Y-axis first sliding rod, a Y-axis second sliding rod, Y-axis sliding bases, an X-axis sliding rod arranged between the two Y-axis sliding bases, an X-axis sliding base arranged on the X-axis sliding rod and a synchronous belt transmission mechanism, wherein the Y-axis first sliding rod and the Y-axis second sliding rod are arranged in parallel, and each Y-axis sliding rod is provided with the corresponding Y-axis sliding base; the printer head is arranged on the X-axis sliding base; the synchronous belt transmission mechanism comprises four guiding wheels, driving wheels, driven wheels, a motor and a horizontal synchronous belt; one end portion of the horizontal synchronous belt is fixedly connected to one side of the X-axis sliding base; and the other end of the horizontal synchronous belt is sequentially connected to the second guiding wheel, the Y-axis second driving wheel, the Y-axis second driven wheel, the fourth guiding wheel, the third guiding wheel, the Y-axis first driven wheel, the Y-axis first driving wheel and the first guiding wheel in a wound manner and then is fixedly connected to the other side of the X-axis sliding base.

The embodiment of the invention discloses a key device and an electronic apparatus. The key device comprises a fingerprint-sensing module and a support assembly supporting the fingerprint-sensing module. The support assembly comprises a support base plate and a support side plate fixedly connected with the support base plate. The fingerprint-sensing module comprises a fingerprint-sensing chip and a circuit board. The first surface of the circuit board is fixedly connected with the support base plate. The first surface of the fingerprint-sensing chip is fixedly connected with the second surface of the circuit board. The fingerprint-sensing chip is electrically connected with the circuit board.

The invention provides a loop-pile cutting circular machine. A needle barrel is fixed on a large disc gear and sleeved by a lower disc saddle, a plurality of vertically-arranged needle triangles are arranged on the inner side of the lower disc saddle in the peripheral direction, and needle slots of the needle triangles of adjacent paths are connected to form knitting needle running tracks. A large tripod gear synchronously rotating with the large disc gear is installed on a large tripod, a knife disc tray is fixedly connected onto a lower shaft head of a gun barrel connected with the large tripod gear, a knife disc is arranged on the knife disc tray, a knife and hook assembly is installed on the knife disc, a knife disc saddle is arranged above the knife disc, and a knife and hook assembly triangle is arranged on the knife disc saddle. Fabrics woven by the loop-pile cutting circular machine are smooth in surface, free of hooked ends, high in hair side density, not prone to hair slip and soft in backing fabric, shearing, breaking and other after treatment steps can be omitted, and the production cost is greatly saved. The knife and hook assembly triangle adopts an arrangement mode that four paths form a group and is large in gap, not prone to shifting and good and stable in operation compared with arrangement modes of common machines.

The invention relates to the field of production processes of puzzles, in particular to a production process of a paper puzzle and the paper puzzle. The production press of the paper puzzle comprises the following steps of: splicing a pattern according to the size of the puzzles and the dimension of a computerized paper, and reserving a spacing between every two puzzles; completing type setting, and making trimming line marks; printing the computerized paper to obtain a finished printed sheet; silkscreening glue on the position of a base, which corresponds to the periphery of the paper puzzle; oppositely mounting and compacting the finished printed sheet and the base with the glue completely silkscreened; after the glue is dried, and die-cutting the finished printed sheet; and cutting the finished printed sheet to obtain single puzzles. In the invention, because glue positions corresponding to the periphery of the paper puzzle are silkscreened with the glue, the peripheries of the single cut puzzles are fixed, only a puzzle part is die-cut and penetrated through a die-cutting procedure, the base is not penetrated, and the base fixes the paper puzzle from the bottom, and therefore, puzzle units of the paper puzzle are difficult to displace and lose; and the paper puzzle produced by utilizing the production process of the paper puzzle prevents the puzzle units from being displaced and lost.

The invention provides a backlight module and a display device. The backlight module comprises a back plate and a supporting seat, wherein the back plate comprises a bottom plate, a side plate and a lug, and the lug is provided with a first through hole; the supporting seat comprises a chamfer and a supporting plate; the chamfer extends to the interior of the supporting seat from the side face of the supporting plate facing the side plate; a top plate is arranged above the chamfer and provided with a second through hole corresponding to the first through hole; the supporting plate is arranged on the side wall forming the chamfer and parallel to the top plate, and the supporting plate, the top plate and the side wall form an accommodating area and an opening; and the lug is inserted in the accommodating area and combines and fixes the supporting seat and the back plate through a fixing piece, the first through hole and the second through hole. The lug of the back plate of the backlight module is arranged in the accommodating area of the supporting seat and supported by the supporting plate so that the lug is not easy to generate displacement caused by the action of external force during locking and fixing a bolt, and the locking and fixing of the lug with a lamp holder and a frame is not easy to generate a misplacement condition so as to be beneficial to assembling and improving the product yield.

The invention relates to an explosion-proof cap of a micro-resistance cylindrical lithium ion battery. The explosion-proof cap comprises an upper cap, a gasket, an explosion-proof membrane with a wall body, an orifice plate and a sealing ring. A plurality of air holes are arranged on the upper cap. The wall body of the explosion-proof membrane is bent and wraps the gasket and the upper cap in the cavity of the explosion-proof membrane. After the explosion-proof membrane wraps the gasket and the upper cap, the explosion-proof membrane is embedded in the sealing ring coated with glue. The orifice plate is embedded at the bottom surface of the sealing ring. The orifice plate is welded with the explosion-proof membrane through laser spot welding. A circular welding platform which protrudes downward is arranged on the bottom surface of the explosion-proof membrane. A prestressed pressure relief ring is formed between the circular welding platform and the bottom surface of the explosion-proof membrane. In combination with the cutting of the prestressed pressure relief ring along a sharp spiny flanged edge in the gasket, the flanging of the cap edge of the upper cap and the tight welding between a convex welding spot on the cap edge and the bent wall body of the explosion-proof membrane, the invention realizes that the explosion-proof membrane can be exploded open when being turned over and the overall internal resistance of the cap is reduced, and has the advantages that the structure is simple, compact and stable, the deformation and the misplacement are not apt to occur, the internal resistance of the cap is low, the battery performance is high, the explosion-proof membrane can be normally exploded open to relieve pressure after the explosion-proof membrane is turned over, the explosion-proof performance is stable and the service life is long.

The invention discloses a lamp bulb fixing device and a lamp. The lamp bulb fixing device is used for fixing a lamp bulb which comprises a lamp bulb back seat and being matched with a reflector fixing fastener to fix a reflector. The lamp bulb fixing device comprises a lamp holder bracket, a lamp holder fixing spring, a spring shim, a spring pressure sheet, a first fastener for fixing the spring shim and a second fastener for fixing the spring pressure sheet. The lamp bulb back seat is clamped and fixed on the lamp holder bracket by the lamp holder fixing spring. The front side of the lamp holder bracket is provided with a reflector fixing hole matched with the reflector fixing fastener. The lamp bulb fixing device has convenient and simple mounting mode. The reflector is fixed on a lamp bulb fixing structure through the reflector fixing fastener and the reflector fixing hole and meanwhile, the lamp bulb back seat is clamped and fixed on the lamp holder bracket by the lamp holder fixing spring, so that a lamp bulb and the reflector are fixed together and are difficult to misplace or deflect, and thus, the lamp bulb is accurate and stable to distribute light.

The invention relates to a power type lithium ion battery cover and a welding process thereof. An upper cover, a gasket and an anti-explosion film are embedded into a sealing ring; a pore plate and the anti-explosion film are subjected to laser spot welding; more than two downward convex welding points are uniformly arranged on the lower surface of the edge of the upper cover, and the convex height of the welding points is greater than the thickness of the gasket; the upper cover is sequentially in resistance welding with the gasket and the bottom surfaces in a cavity of the anti-explosion film through the more than two convex welding points; the bottom face of the anti-explosion film is provided with an annular pressure-relief notching groove; the wall of an inner hole of the gasket corresponds to the annular pressure-relief notching groove. The upper cover is sequentially in resistance welding with the gasket and the bottom surfaces in the cavity of the anti-explosion film along the downward convex welding points, is matched with the inner hole of the gasket and corresponds to the anti-explosion film with the annular pressure-relief notching groove in the bottom face, so as to reduce the inner resistance of the whole battery cover and stabilize anti-explosion pressure relief. The power type lithium ion battery cover is simple in connection structure, stable in connection, low in deformation and malposition possibility and low in whole inner resistance; by adoption of the power type lithium ion battery cover, the battery has high performance, stable anti-explosion performance, high safety performance and long service life.

The invention belongs to the field of extrusion equipment, in particular relates to an adjustable extrusion mold. The adjustable extrusion mold is characterized in that an extrusion port is provided with a first adjusting block on one side and a second adjusting block on the other side; the middle part of a first pushing plate is arranged on a first lead screw for connection, and one side thereof is slidingly arranged on a first slide way; one end of a first pushing column is connected with the first pushing plate, and the other end thereof penetrates through an outer mold to connect with the first adjusting block; a first dividing ruler is fixed on the outer side of the outer mold, and is positioned on the other side of the first pushing plate; the middle part of a second pushing plate is arranged on a second lead screw for connection, and one side thereof is slidingly arranged on a second slide way; one end of a second pushing column is connected with the second pushing plate, and the other end thereof penetrates through the outer mold to connect with the second adjusting block; and a second dividing ruler is fixed on the outer side of the outer mold, and is positioned on the other side of the second pushing plate.

The invention discloses a small-diameter integrated wooden pillar and a manufacturing method thereof. The small-diameter integrated wooden pillar comprises inserted battens (2) and battens (3), wherein the side surfaces of the inserted battens (2) and the battens (3) are respectively provided with a mortise (4) and a tenon (5); the inserted battens (2) and the battens (3) are connected end to end, so that a ring-shaped batten group (1) can be formed. The small-diameter integrated wooden pillar is easy to assemble and cannot be in dislocation easily, does not need surface planing treatment, is good in fire resistance, high in strength and low in cost, and can meet the demand of a wood structure.

The invention provides a quick stereoscopic packaging machine which is used for packaging box face plates. Each box face plate to be packaged comprises a plurality of side face plates which are integrally connected with one another in a folded manner. The packaging machine which is a forming machine comprises a framework and a connecting bar mechanism. A box inner mold, a lower support part, a side face plate overturning assembly and a pressure mechanism are arranged on the framework, the side face plate overturning assembly is positioned on two sides of the lower support part, the pressure mechanism is positioned above the box inner mold, and a gap is formed between the lower support part and the box inner mold, so that the certain box face plate to be packaged can be supported by the gap and clings to the lower side surface of the box inner mold; the side face plate overturning assembly is arranged on the framework in an overturning manner, and the connecting bar mechanism and the side face plate overturning assembly are connected with each other to push the side face plates of the certain box face plate to be packaged to be overturned, so that the side face plates can cling to the box inner mold; the pressure mechanism is used for pressing the certain box face plate which clings to the box inner mold to form a box. The quick stereoscopic packaging machine which is the forming machine has the advantages that the connecting bar mechanism pushes the side plate overturning assembly to overturn, so that encircling operation can be automatically performed on the box, actions are coherent and quick in an integral forming procedure, and the box can be quickly and automatically formed.

The invention relates to a vanadium flow cell seal ring and ionic membrane integrated assembly and an electric pile. The vanadium flow cell seal ring and ionic membrane integrated assembly comprises an ionic membrane and a seal ring which are integrated. The electric pile comprises a first frame plate, a second frame plate and the seal ring and ionic membrane integrated assembly, wherein the first frame plate and the second frame plate are provided with seal ring clamping grooves; the lower end of the seal ring in the seal ring and ionic membrane integrated assembly is installed in the seal ring clamping groove arranged on the first frame plate, and the upper end of the seal ring is protruded out of the end surface of the seal ring clamping groove of the first frame plate; the second frame plate is covered on the seal ring and ionic membrane integrated assembly; and the upper end part of the seal ring is clamped into the seal ring clamping groove arranged on the second frame plate. In the invention, the seal ring and an ionic membrane are directly designed into an integrated structure on the first frame plate and the second frame plate, so that the seal ring and ionic membrane integrated assembly has a better sealing effect, and the phenomena of liquid leakage and mixture of positive liquid and negative liquid are avoided, therefore, the performance of a vanadium battery can be more stable.

The invention discloses a gas heating device. The gas heating device comprises an insulation shell. A heating chamber is arranged inside the insulation shell. A gas inlet enabling the heating chamber and an external gas inlet pipe to communicate is formed in the bottom of the insulation shell. A gas outlet enabling the heating chamber and an external gas outlet pipe to communicate is formed in the top of the insulation shell. A partition plate is arranged in the middle of the heating chamber in the vertical direction. A plurality of heating pipes which sequentially penetrate through the side walls of the heating chamber and the partition plates in the horizontal direction are arranged on the lateral portion of the insulation shell, and the heating pipes are sequentially arranged in the vertical direction. Wiring terminals which are connected with an external power distribution cabinet are arranged at the outer ends of the heating pipes. According to the gas heating device, internal assemblies are arranged reasonably, working noise is low, and online replacement or maintenance of the heating pipes can be achieved.

The invention provides a lithium ion battery and a preparation method thereof. The method comprises the steps of 1, arranging a first pole piece A1, a first pole piece A2, a third pole piece A3,..., and a first pole piece An on the first surface of a diaphragm at intervals in sequence along the length direction of a diaphragm; 2, taking the first pole piece A1 and a first clearance as a first bending unit which is bent towards a first direction, placing a second pole piece on the second surface of the first clearance, taking the first pole piece A1 as a second bending unit which is bent towards a second direction, and acquiring a first laminated unit; 3, taking the first laminated unit and a second clearance as a first bending unit, taking the first laminated unit as a second bending unit,repeating the step 2 to obtain a second laminated unit; ...; n, taking the (n-2)th laminated unit and the (n-1)th clearance as a first bending unit, taking the (n-2)th laminated unit as a second bending unit, repeating the step 2 to obtain a (n-1)th laminated unit, and thus obtaining a battery pole set. Therefore, the stacking time of the pole pieces can be reduced, and the preparation efficiencyof the lithium ion battery can be improved.

The invention relates to a synchronizer assembly for a truck and a machining technology thereof, and belongs to the technical field of truck synchronizer and machining thereof. The synchronizer assembly comprises a gear sleeve and a gear core. The gear core is embedded in the gear sleeve, and the gear core and the gear sleeve are fixed and limited through a limiting device. The limiting device iscomposed of a sliding block, a sliding block mounting groove and an elastic element, and the sliding block is installed in the sliding block mounting groove through the elastic element. The sliding block mounting groove is formed in the gear sleeve. Gear teeth matched with the sliding block mounting groove are arranged on the outer surface of the sliding block. The machining technology comprises the following steps that the gear sleeve and the gear core are subjected to the processes such as normalizing, rough turning, finishing turning, gear hobbing, gear shaping and anti-rust oil applying, then are subjected to carburizing heat treatment, and then are subjected to polishing, ultrasonic cleaning, assembling, anti-rust oil applying and packaging, and a finished product is obtained. The prepared synchronizer assembly has the advantages that synchronize axial movement is not prone to occurring, the service life is long, abrasion is not prone to occurring, and the strength is high.

The invention discloses a flexible screen bending test device. The device comprises slide rails, a cylindrical roller, a flake bent piece, and a support table for preventing the flake bent piece, wherein the cylindrical roller is fixed on the slide rails in a sliding manner through shafts at two ends of the cylindrical roller and can move in an extension direction of the slide rails, one end of the flake bent piece and the surface of the cylindrical roller are fixed, the surface of the flake bent piece is used for bearing a to-be-tested flexible screen, the flexible screen comprises a first end and a second end that are opposite to each other in the extension direction of the slide rails, the first end is clamped by the cylindrical roller and the flake bent piece in test, an opening penetrates through the surface of the flake bent piece, the support table is further provided with a resisting part that raises upward and can move in the opening, the resisting part is used for resisting the second end in test so as to prevent the second end from moving toward the direction away from the cylindrical roller, and the cylindrical roller moves toward the resisting part in test.

The invention provides a de-oxidant seal bottle. When a bottle cap is snapped at a bottle opening, a downward drawing force can be formed to extrude and attached the edge of a seal pad on the bottle cap to the bottle opening of a bottle body, and the upper end of a seal strut of the seal pad is promoted to be embedded in a vertical extension section of a second ventilation through hole in the capsule wall of the top of the seal pad to seal the second ventilation through hole. A snapping ring is withdrawn from a protrusion portion of the bottle body and is held to lift a stretching portion of the bottle cap upwards to enable the bottle cap to rotate upwards around the connection mounting portion, the upper end of the seal strut can be pulled out of the second ventilation through hole, and accordingly, the seal effect is lost, the acting force for 'absorbing' the bottle cap due to the atmospheric pressure difference in and out of the bottle disappears along with the losing of the sealing effect, and the bottle cap of the seal bottle can be opened easily. By means of the seal bottle, the problems that frosted-opening glass bottles, wood-cork glass bottles and the like are inconvenient to save and use when being used for storing de-oxidants in the prior art are well solved.