127results about How to "Fasten tightly" patented technology

The present invention relates to a portable binder with a rotating frame, comprising a pedestal and a rotating frame, wherein the pedestal has a base and on both sides of the base, there is a lacing hole to be reeved by a binding tape, which can be used by tightening it around arms. An axle hole penetrates through the base to combine a coaxial connection shaft, and on the base, a supporting plate is established concavely on both sides to cover a proposed electronic device, while an axial part is established to interconnect the coaxial connection shaft on the supporting plate, and on the axial part, there is a rotation shaft that can be coaxially connected with the coaxial connection shaft. When the binding tape reeving the base is fastened around users' arms, the body of the rotating frame can be utilized to fix the electronic device, thus achieving the effect of making the electronic device portable when users go out. Besides, the design of adjusting the visual angle by using the rotating frame makes it convenient to use the portable binder disclosed in the present invention.

The connecting bolts 5 are inserted through the connecting cylinders 21 to hold a plurality of battery holders 20 in the stacked configuration and form a battery block 2. The battery holder 20 connecting cylinders 21 are disposed at a plurality of locations on the perimeter of the battery block 2, and are disposed in straight-lines to form rows of partial-stack connecting cylinders 4 on battery holders 20 stacked in two levels or more, but not on the entire stack of battery holders 20. Connecting bolts 5 are inserted through each row of partial-stack connecting cylinders 4 to hold the connecting cylinders 21 that make up each row of partial-stack connecting cylinders 4 in a stacked configuration, and retain the battery holders 20 in a stacked configuration as a battery block 2.

The present invention discloses a continuous straw crushing system, which sequentially comprises a material feeding system, a pre-powder system, an impurity removing system, a fine powder system, and a material storage system along a material operation direction, wherein the impurity removing system is connected with the pre-powder system and the fine powder system, the material feeding system comprises a chain plate conveyor, a first-stage leveling grille, a second-stage leveling grille and a material turning roller, the pre-powder system is provided with a leveling device arranged at the foremost end, a first-stage coarse powder device and a second-stage coarse powder device, the cutter shaft of the leveling device is provided with a vibration detector, an impurity removing grille is arranged above the rear of the leveling device, the impurity removing system comprises a crushed stone removing device and an iron remover positioned on the rear portion, the fine power system is provided with two crushing bins, the material inlet position is provided with a quantification roller, and a row of material separation rollers are arranged on the lower portion of the quantification roller. With the continuous straw crushing system of the present invention, the continuous and efficient crushing operation can be performed on straws, the problems of high impurity content in straws and large material feeding operation strength are solved, the crushing efficiency is high, the operation is safe and stable, and the large-batch and continuous production requirement can be met.

The invention relates to a fan component, in particular to a wind ring of a blade-free fan and a connecting component connected to a mainframe at the lower part. A blade-free fan component comprises a mainframe and a wind ring arranged on the mainframe, wherein the mainframe comprises a machine shell, and a motor rotating component is arranged in the machine shell; the wind ring comprises a wind ring connecting part, and the wind ring connecting part is connected to a wind ring main body; an air outlet is arranged on the wind ring main body; a direct-insert clamping structure is arranged on an annular side face where the wind ring connecting part is connected with the upper opening of the machine shell; the buckling place of the clamping structure is provided with a sealing element. The invention provides a blade-free fan component; the blade-free fan component is simple in structure, convenient to dismount and transport and can effectively prevent the air flow from leaking and ensure that the pressure consumption figure of the air flow in the mainframe and the wind ring is as low as possible, thereby solving the technical problems existed in the prior art of inconvenient transport of the blade-free fan for the integrally shape basically, complex dismountable fan structure and poor sealing effect.

An electrical connector (100) includes a lower shield (3), an insulative housing (1) assembled to the lower shield, a number of terminals (2) and a pair of upper shields (4). The lower shield has a bottom wall (33) and a pair of first side walls (32). Each first side wall has a pair of upper base portions (361) and a lower base portion (326) and defines a recess (325) between the upper base portions and the lower base portion. Each upper base portion has a projecting portion (363) extending outwardly therefrom through the recess for engaging with a protrusion (46) disposed on a top surface of the upper shield.

An LED lamp includes a heat conductive housing, a light source module and a light-pervious cover. The interior of the heat conductive housing is provided with a heat conductive partition plate capable of dividing the interior of the heat conductive housing thereby forming an accommodation space having a cavity at one end of the heat conductive housing. The light source module is disposed in the accommodation space and includes a circuit board and at least one LED disposed on the circuit board. The light-pervious cover is formed with a sleeve opening, and the periphery of the sleeve opening is protrudingly formed with an annular wall, the outer edge of the annular wall is mated and engaged with the inner edge of the cavity, thereby enabling the circuit board to be pressed by the annular wall so as to be tightly fastened on the heat conductive partition plate.

The invention discloses a rotary chair leg and stand bars of the rotary chair leg. The bottom of one end of each stand bar is provided with an idler wheel mounting hole, a buckling groove is formed in one side face of the other end of the stand bar, and a buckling hook is arranged on the front end face of the same end and matched with the buckling groove. The rotary chair leg is formed by assembling the five stand bars, and in every two adjacent stand bars, the buckling hook of one stand bar is clamped into the buckling groove in the other stand bar, so that the two adjacent stand bars are connected together, and after the five stand bars are assembled together, a center hole used for inserting a gas rod is defined at the connecting position of the five stand bars. Each stand bar serves as a unit forming the rotary chair leg, in the encasement transportation process, the stand bars can be stacked together to save space, when the stand bars are transported to a destination for assembling, the five stand bars are spliced together to form the whole rotary chair leg, and assembly and disassembly are very convenient.

The invention discloses a spliceable precision building template system which is provided with two panels and reinforced ribs for connecting the two panels, wherein connecting heads (9) are formed on the splicing sides spliced with adjacent templates; seen from the cross section of the template, each connecting head (9) comprises a chuck (1) protruding towards the adjacent template, a clamping groove (2) and a connecting mechanism (4); the clamping groove (2) is inwards concaved relative to the protruding direction of the chuck (1); the connecting heads (9) of the adjacent templates are combined together by using the connecting mechanism (4); and the chuck (1) is suitably embedded into the clamping groove (2); and outer surfaces of the panels at two sides of the adjacent templates are positioned on the same plane at the same side. The building template with the structure can be freely spliced; after splicing, a joint is tight and favorable integrity is achieved; and after grouting, the probability of slurry leakage is low.

The invention discloses a standardized planting technology for liquorice. The technology comprises the following steps of: a, seed selection and treatment; b, soil treatment; c, soil sealed weeding; d, precise seeding and water-saving irrigation; e, water dripping seedling growth; f, seedling period irrigation; g, soil measuring fertilization; h, seedling period pest and disease prevention and treatment; and i, harvesting. The standardized planting technology for liquorice provided by the invention has the advantages that the liquorice yield and the glycyrrhizic acid and liquiritin content can be improved, and in addition, the cost can be saved.

The invention discloses an electronic device shell, a manufacturing method of the electronic device shell and an electronic device. The method comprises the following steps: applying an adhering layer to one side of a metal diaphragm; punching the metal diaphragm with the adhering layer into a metal sheet with a preset size; stamping the metal sheet into a preset shape; and according to the preset shape, injecting a plastic layer on the adhering layer side of the metal sheet stamped into the preset shape, so as to form the electronic device shell, wherein the adhering layer and the plastic player are placed on the non-appearance face side of the metal sheet which is of the preset shape. Since the structural thickness of the metal diaphragm is relatively low, the production cost of the electronic device shell can be reduced; in addition, the plastic layer formed in an injection molding way on the adhering layer side of the metal sheet can be used at complicated fastening positions so that the electronic device shell and the electronic device can be fastened together tightly and hardly separated, thus improving the user experience.

An apparatus and method for attaching an undercover to the underside of a car body floor panel having a plurality of studs, comprises tubular fasteners that are inserted into respective mounting holes of the undercover with diametral clearance and that are engaged with the studs. Each fastener comprises clips coupled to one another and having flanges that exert a predetermined clamping force on the undercover while permitting displacement of the undercover along the floor panel due to thermal deformation.

An apparatus and method for attaching an undercover to the underside of a car body floor panel having a plurality of studs, comprises tubular fasteners that are inserted into respective mounting holes of the undercover with diametral clearance and that are engaged with the studs. Each fastener comprises clips coupled to one another and having flanges that exert a predetermined clamping force on the undercover while permitting displacement of the undercover along the floor panel due to thermal deformation.

Disclosed is a cable rack joint structure, which is designed to bite into an inner peripheral surface of a bolt insertion hole so as to establish sufficient electrical conduction between cable racks. In the cable rack joint structure, a bolt insertion hole 9 is formed in a circular shape, which allows only a distal end of a polygonal neck portion 6 of a joint bolt 5 to be inserted thereinto. The bolt insertion hole 9 has a plurality of recesses 9A formed in an inner peripheral surface thereof and adapted to lock respectively at least two of three or more corner edges 6A of the neck portion 6, in such a manner that the inner peripheral surface of the bolt insertion hole 9 is bitten into at respective positions where the corner edges 6A of the neck portion 6 are locked by corresponding ones of the recesses 9A. The cable rack joint structure of the present invention can reliably prevent corotation which otherwise occurs between the joint bolt and locking nut, such as a hot-dip galvanized bolt and nut, during an operation of tightly fastening them together, and allow a shape of the bolt insertion hole to be intuitively recognized as that of a standard bolt insertion hole so as to minimize the time and effort needed on activities for familiarizing operations with the bolt insertion hole so they know it is a proper bolt insertion hole.

The invention discloses a groove-type sheet-pile. The groove-type sheet-pile comprises a platy pile body, the front face of the pile body is provided with a longitudinal groove, one side face of the pile body is provided with a longitudinal trench I, and the other side face of the pile body is provided with a strip-type bulge corresponding to the trench I. The adjacent pile joint of the groove-type sheet-pile provided by the invention is thicker, the contact area is enlarged, the butt joint is more easy, and the joint is not liable to damage; various earth-retaining pile walls are mutually fastened tightly, due to the bevel design of a pile toe, the earth-retaining pile walls are fitted with one another more tightly in a construction process, stability and safety are realized, and earth retaining and water resistance are realized in one step; the own structure of the pile body allows to arrange living things nesting holes to maintain river internal ecological balance and environment-friendliness.

The invention relates to a grinding element, which comprises a substantially planar fastening frame, and where two or more grinding segments made of grinding ceramic material are fastened to the outer surface of the frame by means of bonding agent. The fastening frame preferably comprises at least one fastening hole, and a fastening bolt is supplied through the hole to fasten the grinding element to the frame of the grinder stone. The invention further relates to a grinder stone, where a grinding surface is formed by arranging a required number of grinding elements according to the invention on the outer circumference of the stone's frame.

The invention discloses a water-cooled heat dissipation device. The water-cooled heat dissipation device comprises a heat dissipation body and a plurality of heat dissipation columns. The heat dissipation body comprises a base and a cover plate, wherein the base and the cover plate can be buckled with each other. The base is provided with a water inlet, a water outlet and a containing cavity communicated with the water inlet and the water outlet. The multiple heat dissipation columns are arranged in the containing cavity. Friction stir welding or electron beam welding or vacuum brazing sealing is adopted between the base and the cover plate. The water-cooled heat dissipation device has the advantages that the structure that the heat dissipation columns are arranged in the containing cavity or on the side face of the cover plate and can be buckled in the containing cavity, friction stir welding or electron beam welding or vacuum brazing sealing is adopted between the base and the cover plate for sealed connection is adopted, so that the sealing effect of the whole water-cooled heat dissipation device can be improved, and the service life of the water-cooled heat dissipation device is prolonged.

A tool head device for crimping rings and clamps includes a clamp head member which is formed by connecting a left clamp head with a right clamp head via two covers, a clamp head shaft and two cover pins. Each of the left clamp head and the right clamp head has a clamp jaw at a top end thereof. Each of the left clamp head and the right clamp head has a concaved inner sidewall at an end portion thereof, the two concaved inner sidewalls form an insert cavity, an insert component is provided within the insert cavity. An end of the left clamp head is connected with that of the right clamp head by connecting pins and connecting boards. It can be used to crimp rings and clamps. It has the simple structure, facilitates operating and carrying, reducing the cost, and improves the efficiency of installing.

The invention relates to a package box, comprising an upper cover and a lower cover connected with the upper cover. At least one of the upper cover and the lower cover is provided with a containing groove; and the upper cover is buckled with the lower cover through a bulge and a groove which are mutually matched. The package box disclosed by the invention can be tightly buckled and can effectively protect a product.

The invention relates to a method for buttoning a retainer ring for a locomotive wheel band, which improves the processing technology, materials and the structure which affect retainer ring radial elasticity to intensify elastic parameters of the retainer ring on the diameter direction and to increase the buttoning compact degree between the retainer ring and a wheel core. The method comprises: sleeving the wheel band which is heated and slightly expanded on the wheel core and then buttoning the retainer ring in a groove inside the wheel band. The retainer ring is a ring-shaped body with an opening part and the retainer ring adopts the heat setting process to manufacture before the retainer ring is buttoned in the wheel band groove. The procedures of the heat setting manufacturing process comprises: firstly, fixedly installing the retainer ring on a heat setting clamp, then, adopting medium temperature fire with the temperature range of 420DEG C-500DEG C to temper and heat to enable the retainer ring to shape on the clamp, then, continuingly tempering and heating the retainer ring in the temperature range for 3-5 hours, and lastly taking the retainer ring after tempering from the heat setting clamp.

The invention provides a novel magnetic snap. The novel magnetic snap comprises a first snap piece and a second snap piece, wherein the first snap piece can be installed on the second snap in a separated mode, a first magnetic component is arranged in the first snap piece, a second magnetic component and a third magnetic component are arranged in the second snap piece in a line in an adjacent mode, and the second magnetic component and the third magnetic component can both be parallel to the first magnetic component and make linear motion. When the second magnetic component is opposite to the first magnetic component, the polarities of the opposite surfaces are opposite, and therefore the first snap piece and the second snap piece are buckled through mutual attraction of the first magnetic component and the second magnetic component. When the third magnetic component and the first magnetic component are opposite, the polarities of the opposite surfaces are identical, so that the first snap piece and the second snap piece are separated through mutual repulsive interaction of the third magnetic component and the first magnetic component. The novel magnetic snap is tight in buckling, convenient to operate and rapid in operation.

The invention provides an air guide door movement mechanism, an air conditioner hanging machine and an air guide door control method, and relates to the technical field of air conditioners. The air conditioner hanging machine comprises an air conditioner hanging machine body and the air guide door movement mechanism; the air guide door movement mechanism comprises an inner air guide assembly, an outer air guide assembly and an outer air guide door; the outer air guide assembly is connected with the outer air guide door, is used for driving the outer air guide door to rotate to a first positionin a rotating process, and is provided with a first clamping part; the inner air guide assembly is provided with a second clamping part; and the inner air guide assembly is used for rotating relativeto the air conditioner hanging machine body when the outer air guide door rotates to the first position, so that the second clamping part abuts against the first clamping part and drives the outer air guide assembly to continue to rotate to allow the outer air guide door to continue to rotate to a second position and close an air guide mouth. Compared with the prior art, the air guide door movement mechanism allows the outer air guide door to be tightly buckled on the air guide mouth through the rotation of the inner air guide assembly and the abutting between the inner air guide assembly andthe outer air guide assembly.

The invention relates to a ground aerial structure capable of being leveled on flooring in a building. The structure solves the problems that workloads are large, the period is long, pollution exists and the weight of the building is increased. The structure is characterized in that a plurality of support beams are arranged on a ground foundation, and tile positioning grooves are formed in the tops of the support beams; each support beam comprises a supporting cross beam located at the bottom, and a buckle cross beam buckled to the upper portion of each supporting cross beam; a nut seat frame is arranged in each buckle cross beam, and each buckle cross beam and the corresponding supporting cross beam are connected through an adjusting screw. Supporting force is strong, the structure is sable, buckling between tiles and the buckle cross beams is more compact, and collision sound between hard objects is avoided. Detachment is facilitated, use of cement mortar is reduced, the environment is beautified, workloads are reduced, cost is reduced, operation is convenient, resources are saved, the structure can be installed without special skills, the structure can be detached and repeatedly used, all the parts are industrially produced, and economic benefits are improved.

A zipper with stamped metal zipper teeth includes two zipper tapes each having a rib at one lateral side thereof, and metal zipper teeth mounted at the rib of each zipper tape. Each zipper tooth has two mounting legs located at the rear end thereof and clamped on the rib. The ratio between the width of each zipper tooth and the gap between the mounting legs of each zipper tooth and the ratio between the combined height of each zipper tooth and the associated engagement protrusion and the gap between the mounting legs of each zipper tooth are in respective predetermined ranges so that the zipper teeth are stronger or even smaller than conventional #2 zipper teeth and have a tight connection between the zipper teeth and the zipper tape.

The invention discloses a plastic bottle cover which can change liquid output flow. The plastic bottle cover comprises a cover seat, wherein the cover seat is provided with a cover body which can be fastened with the cover seat, and the cover seat is also internally provided with a connecting opening which is connected with a bottle opening; the technical scheme of the plastic bottle cap is mainly characterized in that the cover seat is provided with a convex column, the convex column is internally provided with a convex column hollow cavity which is communicated with the connecting opening, the side wall of the convex column is provided with an inner liquid outlet which is communicated with the convex column hollow cavity, the convex column is covered with an inner cover which can rotate around the convex column, and the side wall of the inner cover is provided with an outer liquid outlet which can be overlapped or staggered with the inner liquid outlet; the outer liquid outlet comprises a big outer liquid outlet and a small outer liquid outlet of which the areas are different, the outer liquid outlet is provided with inclined lip-shaped pieces protruding the side surface of the inner cover, the overlap area between the outer liquid outlet and the inner liquid outlet can be changed along with the rotation of the inner cover, and the liquid outlet flow can be controlled by rotating the inner cover. According to the plastic bottle cover disclosed by the invention, the cover body can be separated from the cover seat in 0-180 degrees, and the liquid can be conveniently poured.

The invention provides an iron core block of a motor, a stator core, a manufacturing method thereof, a stator, the motor and a household appliance. The iron core block comprises a yoke part and a tooth part; along the circumferential direction of the iron core block, a first end of the yoke part is arranged as a first spliced end, an accommodating slot is formed on the first spliced end, bucklingparts are respectively arranged on two side walls of the accommodating slot, the buckling parts extend along an axial direction parallel to the yoke part, and the buckling parts shift toward one sideaway from the accommodating slot under an external acting force; along the circumferential direction of the iron core block, a second end of the yoke part is arranged as a second spliced end, the second spliced end is equipped with a joint bulge, buckling slots are respectively formed on the two sides of the joint bulge, and the buckling slots stretch along the axial direction parallel to the yokepart; the joint bulge of another iron core block can be accommodated in the accommodating slot; the buckling parts are buckled with the buckling slots of another iron core block and are used for limiting the relative displacement of two adjacent iron core blocks along the circumferential direction; the iron core block is capable of reducing the fitting gap between two adjacent iron core blocks, so that the performance stability of the motor can be ensured.