65results about How to "Improve connection fastness" patented technology

The invention discloses a plastic decorative wallboard which is characterized in that the outer surface of the wallboard obtained by injection molding is provided with artificial brick-shaped or artificial marble-shaped lugs and concave trenches which are uniformly distributed; the upper edge of the wallboard is provided with a hanger and a slot; a fixing hole is formed in the hanger; the lower edge of the wallboard is provided with a plug-in card and an installing spacing fillet; the plug-in card and the slot are matched; the installing spacing fillet is inserted in the fixing hole; the fixing hole is fixed with a wall body through a fastening piece; the edges of two ends of the wallboard are provided with a left inserting interface, a right inserting interface or / and a left connectingplate, and a right connecting plate; and the left inserting interface, the right inserting interface, the left connecting plate, and the right connecting plate are provided with connection straps andconnecting grooves. The outer surface of each wallboard is provided with a plurality of to tens of artificial brick-shaped lugs or artificial marble-shaped lugs, and the circumferences of the lugs are provided with the concave trenches. The wallboard is rough and generous, has natural beauty, is water-proof, moisture-proof and fadeless, can be washed with water and wiped by cloth, and is very beautiful as an inner wall or an external wall. The upper part, lower part, left part and right part of each wallboard are respectively provided with various coadjacent structures; and each wallboard is combined with various structures such as a groove, a mouth, a plate, and the like through a piece, and then fixed through a fastening piece. The plastic decorative wallboard is convenient to operate, and is firm.

The invention relates to the field of die holders, in particular to a rolling ball type die holder. The rolling ball type die holder comprises an upper die holder body and a lower die holder body, and is characterized in that the upper end of the upper die holder body is provided with a pressing block, two guide pillars are arranged between the upper die holder body and the lower die holder body, the upper portion of each guide pillar is sleeved with a guide sleeve, a retainer is arranged between each guide sleeve and the corresponding guide pillar, each retainer is connected with the corresponding guide pillar, rolling balls are arranged in each retainer, the side faces of the rolling balls make contact with the outer surfaces of the corresponding guide pillars and the inner surfaces of the corresponding guide sleeves, the lower ends of the rolling balls in each retainer are provided with a spring, the lower ends of the springs make contact with the upper surface of the lower die holder body, the upper ends of the springs make contact with the lower ends of the corresponding retainers, a groove is formed in the outer surface of each guide sleeve and located at the lower end of the upper die holder body, the lower end of the upper die holder body is provided with a plurality of pressing plates, each pressing plate is provided with a boss, the bosses are arranged in the grooves, and the pressing plates are connected with the upper die holder body and the lower die holder body through screws. The rolling type die holder is convenient to use and long in service life, and the guide pillars and the guide sleeves are convenient to replace.

The invention provides an uplift-resistant connecting piece for fixing a steel structure. The uplift-resistant connecting piece for fixing the steel structure comprises a connecting base, a vertical connecting plate and side reinforcing ribs, wherein the vertical connecting plate is vertically connected with the connecting base; screw holes are formed on the connecting base and the vertical connecting plate; two side reinforcing ribs, which are respectively arranged on the two sides of the connecting portion of the vertical connecting plate and the connecting base, are available; connecting modes between the vertical connecting plate and the connecting base and between the side reinforcing ribs and the vertical connecting plate as well as the connecting base are welding; and the vertical connecting plate, the connecting base and the side reinforcing ribs can be also machined into an integrated structural piece. While the uplift-resistant connecting piece for fixing the steel structure, provided by the invention, is compared with the prior art, the connection stress mode while the wall body is connected with the foundation is improved, the uplift force is born on a vertical framework, the stress situation, in particular stress situations at the openings and corners of the door window, is obviously better than the stress situation at the framework of the wall body so that the connection firmness between the wall body and the foundation is largely enhanced.

The invention discloses a novel location connecting piece which comprises a clamping tenon body, and clamping tenon parts arranged on the clamping tenon body and used for clamping. The invention further discloses a location connecting assembly formed by assembling the novel location connecting pieces. The novel location connecting piece and the location connecting assembly are suitable for connection between a wooden floor and a cement ground or a wooden keel, and between a weatherboarding, a skirting board, a top borderline, a waistline, borderlines of a door frame and a window frame or sleeves of the door frame and the window frame, and a wall; quick mounting of a wooden profile is achieved; the wooden profile can be dismounted in a perfect condition; consumption of a wood resource is reduced; and the connecting piece is hidden at the back of the wooden profile completely, so that the quality and an decorative effect of interior decoration can be improved greatly.

The invention discloses a mixed type spinning plate which comprises a plate body, wherein a plurality of irregularly shaped spinning holes are formed in the plate body. The irregularly shaped spinning holes include a three-blade type spinning hole, a tri-C shaped spinning hole, a triangular spinning hole, a straight spinning hole, a circular spinning hole and a cross shaped spinning hole. Through the arrangement, the spinning plate with the spinning holes of six different section shapes is adopted in a processing process, then fiber filaments of different section shapes and limiting filaments of different shapes can be sprayed out and the section shapes are free from conformity, so that a plurality of gaps are formed between the fibers when the fibers are twisted into bundles. When used for manufacturing simulated wool, the simulated wool is high in dispersity, good in hand feel, and high in glossiness. The invention also discloses a manufacturing technology of the mixed type spinning plate.

A movably-connected detachable electric tricycle frame comprises a frame body, wherein on the frame body, bent pipes on two sides are respectively formed by a flat pipe, a front vertical pipe and a rear oblique pipe, the rear parts of the bent pipes on the two sides are connected by an arc-shaped corner, the front parts of the bent pipes on the two sides are connected by a front cross rod which is connected with a headstock sleeve, the lower part of the headstock sleeve is connected with a middle vertical rod, the middle vertical rod is connected with the bent pipes on the two sides through a first lower cross rod, the flat pipes of the bent pipes on the two sides are simultaneously provided with a second lower cross rod and a third lower cross rod, a first vertical rod and a second vertical rod are arranged between the first and second lower cross rods, a front seat frame is arranged on the first and second vertical rods, a rear seat frame is arranged on the rear oblique pipes and the arc-shaped corner, the front vertical pipes and the front cross rod are simultaneously connected with a left tricycle door support rod and a right tricycle door support rod, the left and right tricycle door support rods are respectively connected with a left tricycle door frame and a right tricycle door frame, the upper parts of the front vertical pipes are connected with the front part of a ceiling support, the rear part of the ceiling support is connected with a left rear upright and a right rear upright, movable connecting pieces are respectively arranged on the bent pipes at the two sides, the front cross rod, the left and right tricycle door support rods, the left and right tricycle door frames, the left and right rear uprights and the ceiling support, and each movable connecting piece is connected and fixed through a fastening piece.

The invention belongs to the technical field of trays and relates to a high-strength plastic tray containing a reinforced plastic framework insert. A layer of coating layer is formed through injection molding on the outer surface of the reinforced plastic framework insert which is formed through injection molding and adaptive to a tray bearing structure, and the high-strength plastic tray containing the reinforced plastic framework insert is formed. The hardness of the coating layer is smaller than the hardness of the reinforced plastic framework insert. The high-strength plastic tray has the advantages of being high in weight bearing capacity, high in strength, good in weather resistance, wide in application field, long in service life, low in cost, convenient to recycle and suitable for various types of bearing trays.

The invention discloses a plastic decorative wallboard which is characterized in that the outer surface of the wallboard obtained by injection molding is provided with artificial brick-shaped or artificial marble-shaped lugs and concave trenches which are uniformly distributed; the upper edge of the wallboard is provided with a hanger and a slot; a fixing hole is formed in the hanger; the lower edge of the wallboard is provided with a plug-in card and an installing spacing fillet; the plug-in card and the slot are matched; the installing spacing fillet is inserted in the fixing hole; the fixing hole is fixed with a wall body through a fastening piece; the edges of two ends of the wallboard are provided with a left inserting interface, a right inserting interface or / and a left connectingplate, and a right connecting plate; and the left inserting interface, the right inserting interface, the left connecting plate, and the right connecting plate are provided with connection straps andconnecting grooves. The outer surface of each wallboard is provided with a plurality of to tens of artificial brick-shaped lugs or artificial marble-shaped lugs, and the circumferences of the lugs are provided with the concave trenches. The wallboard is rough and generous, has natural beauty, is water-proof, moisture-proof and fadeless, can be washed with water and wiped by cloth, and is very beautiful as an inner wall or an external wall. The upper part, lower part, left part and right part of each wallboard are respectively provided with various coadjacent structures; and each wallboard is combined with various structures such as a groove, a mouth, a plate, and the like through a piece, and then fixed through a fastening piece. The plastic decorative wallboard is convenient to operate, and is firm.

A separated cold extruding steel bar sleeve comprises a sleeve upper half part and a sleeve lower half part. The sleeve upper half part is provided with five bolt holes, and the sleeve lower half part is provided with five fixing nuts corresponding to the bolt holes of the sleeve upper half part in position. A transverse steel bar connector is machined to be in a stepped shape. Transverse steel bars comprise a bottom steel bar and a top steel bar. The bottom steel bar is provided with three bolt holes corresponding to the bolt holes of the sleeve upper half part in position, and the top steel bar is provided with three bolt holes corresponding to the bolt holes of the sleeve upper half part in position. The sleeve upper half part, the sleeve lower half part, the bottom steel bar and the top steel bar are mounted by screwing bolts into the bolt holes, and a bolt connecting section and an extruding section are finally formed. By adoption of the separated cold extruding steel bar sleeve, construction operation is easy and convenient, connection of the transverse steel bars is achieved through mechanical interlocking fastening force of the extrusion-deformed steel sleeve and the ribbed steel bars, and transverse screws.

The invention discloses a scaffold and a mounting method of the scaffold, and belongs to the field of scaffolds or safe scaffolds for construction personnel. The scaffold and the mounting method are used for solving the problems that the anti-falling component of an existing scaffold cannot meet practical construction needs possibly due to limited bearing capacity, or due to the fact that the anti-falling component is arranged above the scaffold, concrete and other fine sand are splashed and fall down on the anti-falling component, and therefore the anti-falling component cannot be used normally. The scaffold comprises a plurality of cross rods and vertical rods and a plurality of connecting components, the connecting components comprise connecting discs and connecting pieces, the connecting discs with clamping grooves are fixedly arranged on the vertical rods, each connecting piece comprises a lining pipe and a connector which are coaxial, the lining pipes are fixedly connected to the end portions of the cross rods, the connectors are matched with the clamping grooves, and the connecting components further comprise anti-falling components arranged at the bottoms of the connecting pieces. According to the scaffold, the anti-falling components and the bottoms of the cross rod connecting pieces are fixedly connected, the function of preventing the cross rods from falling down can be achieved, and the components of the scaffold can be prevented from being lost.

The invention discloses a pluggable rainwater section, which comprises a rainwater tank, a rainwater binding node and a rainwater three-way joint, wherein the rainwater tank comprises a main body tank board; one side of the cross profile of the main body tank board is an equal-radius arc and upward connected with a straightly vertical board; guide convex ribs are manufactured on the inner wall ofthe main body tank board; the other side of the cross profile of the main body tank board is an involute variable-radius arc and upward connected with a small round tube; the rainwater binding node comprises a binding node board; a compound board is manufactured in the middle of the inner wall of the binding node board; insertion slots are formed between two sides of the compound board and the binding node board; convex sheets are manufactured on the compound board; a vertical board, a transversely folded board, a hooking board and a connection rib are manufactured at one end of the binding node board; the connection rib is connected with the convex sheets so as to form splicing holes; an open tube is manufactured at the other end of the binding node board; the rainwater three-way joint comprises a joint body; the joint body is downward connected with a rainwater falling port; clamping boards, clamping tendons and clamping slots are manufactured on the inner walls of two ends of the joint body; a straight board and a bent sheet which form a bayonet are manufactured on one side of the joint body; an open round hole is formed in the other side of the joint body; and a limiting bumping post is arranged in the open round hole.