40results about How to "Improve fastening effect" patented technology

The invention relates to a folding receiving device, which can be folded into tabular shape to reduce occupying space greatly, so as to be beneficial to storing and transporting, and also can be unfolded as a standing box so as to become a containing box which can contain things. The device comprises a bottom plate, a top plate, a left side plate and a right side plate, wherein, all the plate faces are spliced into a square cylinder body by a pivot, and each plate face can rotate by taking the corresponding pivot as an axle center to be horizontal shape or standing shape, wherein, any two connected plate faces are provided with lugs and caulking grooves, thus causing the connected plate faces to generate button and orientation effect by embedding each lug into the corresponding caulking groove in standing shape.

A fastener for securing a cargo container includes: a first fastener component including a pair of rails; amounting seat mounted slidably on the rails; a second fastener component including a toothed part extending into the a central through-hole in the mounting seat and formed with teeth, each of which has a contact surface; and an engagement unit including an engaging element that is mounted in a retaining recess in the mounting seat and that has a free end portion extendable into the central through-hole in the mounting seat. The free end portion of the engaging element has a flat contact surface that extends into the central through-hole to abut against the contact surface of an adjacent one of the teeth in such a manner to arrest rotation of the mounting seat relative to the second fastener component in a direction.

The invention relates to an anti-loose connection structure with controllable pretightening force of an engine cylinder head cover, comprising an engine and a cylinder head cover and a bolt assembly connecting the engine and the cylinder head cover, characterized in that: the bolt assembly includes bolts and springs, The bolt includes a screw body, the upper end of the screw body is provided with a nut, and the lower part of the nut is integrally provided with a pressure cap; the screw body is covered with a spring, and the lower end of the screw body passes through the cylinder head cover and the engine thread connected, the spring is in contact with the upper surface of the cylinder head cover. With the above technical solution, on the one hand, the elastic force of the spring is used to increase the contact pressure between the threads, and the friction between the threads is increased, which enhances the fastening effect; Tight force. It solves the problem that the bolts of the cylinder head cover are loose during the operation of the engine and the aluminum cylinder head cover is easily crushed under the excessive bolt pre-tightening force, and requires a simple structure and low cost.

The invention discloses a production process of an outwards-buckled type paper cup cover. The production process is characterized by comprising the following steps that a, a circular sheet material for producing a paper cup cover is manufactured; b, the peripheral sides of the circular sheet material are bent downwards to form cup cover outer edges, and a middle unbent portion of the circular sheet material becomes a cup cover body; c. the bottoms of the cup cover outer edges are bent upwards to form a cup cover folding bottom; d, the middle portion of the cup cover body is downwards bent to form a sinking step; e. a round inwards-buckling paper sheet is made; and f, an inwards-buckling paper sheet is attached to the bottom of the sinking step, and the inwards-buckling paper sheet and thecup cover body have certain eccentricity. By means of the outwards-buckled type paper cup cover produced by the above process, cup cover falling can be effectively prevented during use in cooperationwith a paper cup with an inwards-buckling part, and it is ensured that the interior of a cup is sealed and reliable.

The invention provides a Huff-type pipeline emergency repair joint, which includes two first shells and second shells that are matched with each other, the first shell and the second shell are semicircular shells, and the two shells of the first shell are There is a lock on the side and the joint with the second shell, and the second shell is provided with a groove that is fastened with the lock, the edge of the groove is provided with a sealing film, and the axial direction of the first shell is The edges on both sides are provided with corrugations, and the corrugations of the second shell corresponding to the first shell are provided with grooves matching and fastening with the corrugations. The two shells of the Benhoff-type pipeline repair joint are provided with locks and grooves that are fastened together to make installation and disassembly simple and fast. Road, to avoid leakage during the repair process.

The invention discloses a screw, nut and gasket combination, a screw and a nut are respectively provided with a first groove and a second groove which transversely penetrate through threads, and the two ends of a gasket are provided with protruding parts. After the screw rod, the nut and the gasket are tightly connected, the protruding parts are clamped in the first groove and the second groove. According to the combination, a fastened nut can be effectively prevented from loosening under the vibration condition, the fastening effect of the nut is improved, and the good market value is achieved.

The invention relates to the field of lithium batteries, in particular to an efficient power battery module, which comprises an outer frame, a plurality of batteries disposed in the outer frame, and aconnector for connecting the plurality of batteries in series. The outer frame comprises two parallel side plates, two end plates connected to the two ends of the two parallel side plates and a plurality of partition plates which are arranged between the two side plates and parallel to the end plates; the plurality of groups of batteries are partitioned through the partition plates; and the outerframe further comprises a heat conducting plate which is arranged on the inner side of the partition plate and attached to the batteries. The efficient power battery module in the invention is convenient for installation, good in stability and strong in reliability and facilitates reduction of potential safety hazards.

The invention discloses a specialized detachable temperature controller for an electric heater. The specialized detachable temperature controller comprises an operation panel and a protective shell, wherein a baseplate is arranged in the protective shell; the top and bottom of the joint surface of the operation panel and the protective shell are connected by a clamping device in a clamping manner; the left and right sides of the joint surface of the operation panel and the protective shell are connected by a fastening device in a fastening manner; both the top and bottom of the protective shell are also provided with embedded connectors which are integrally injected and molded on the top and the bottom; the embedded connectors and the electric heater are arranged in an embedded manner; and the left and right sides of the front of the operation panel are also provided with dismantling rings. The specialized detachable temperature controller has the advantages of convenience to install, dismantle and overhaul, simple structure, good clamping connection and fastening effects, accurate and rapid location, shortening of installation and dismantling time, good installation stability, time saving and labor saving.

The invention discloses a sliding block mechanism of a die-casting die. According to the technical scheme, the sliding block mechanism comprises a sliding block, an inclined guide column, limiting blocks and pressing strips; an inclined hole is formed in the sliding block, the inclined guide column penetrates through the inclined hole, and the sliding block is connected between the pressing stripsin a sliding mode; the limiting blocks are arranged between the pressing strips, a spring is arranged between the limiting blocks and the sliding block, and bead shifting mechanisms are arranged on the pressing strips; the bead shifting mechanisms comprise bead sleeves, shifting beads and pressure springs, and the shifting beads and the pressure springs are arranged in the bead sleeves correspondingly; the shifting beads are connected with one ends of the pressure springs, the bead sleeves are arranged on the pressing strips, and bead holes are formed in the two sides of the sliding block; and the bead holes correspond to the shifting beads. When the die is opened, the sliding block is pulled by the spring, so that the sliding block is fixed so as to prevent the condition that due to thefact that the spring loses effect when the die is closed, the sliding block moves to cause the die to be damaged, and in the process that the sliding block moves outwards, the bead shifting mechanismis used for carrying out the limitation, so that the safety coefficient of the sliding block during die closing is improved.

The invention relates to a functional garment, which belongs to the field of garment, and comprises a garment body, a heating wire is arranged in the fabric of the garment body, a bridle sleeve is arranged on the periphery of a collar and/or cuffs and/or a lower hem of the garment body, a water hose is arranged in the bridle sleeve, a bridle is arranged in the bridle sleeve, and the bridle comprises a bridle body. The bridle body is formed by weaving water stimulation shape memory fibers, the water stimulation shape memory fibers comprise long-strip-shaped fiber bodies and scaly structures arranged on the peripheries of the fiber bodies, a power source is arranged on the inner surface of fabric of the garment body, and the power source is electrically connected with the electric heating wires through a switch. Wherein the plurality of water hoses are provided with water holes. The warm-keeping garment can solve the problem that an existing warm-keeping garment is poor in warm-keeping performance.

The invention belongs to the technical field of dedusting equipment, and discloses a dust removal cylinder fastening device. The dust removal cylinder fastening device is characterized by comprising aplurality of dust removal cylinder fastening device assemblies (10), wherein the dust removal cylinder fastening device assemblies (10) are in end-to-end series connection so as to form a loop and used for locking dust removal cylinders (9) in the same circumferential direction. The invention also discloses a bag-type dust remover. The bag-type dust remover comprises a dust remover (7), wherein an air inlet (8) is formed in the dust remover (7), a plurality of the dust removal cylinders (9) are arranged in the dust remover (7), and the upper ends of the dust removal cylinders (9) are fixed. The bag-type dust remover is characterized in that the dust removal cylinders (9) in the same circumferential direction are connected with the dust removal cylinder fastening devices, so the dust removal cylinders (9) in the same circumferential direction are locked. The dust removal cylinder fastening device of the invention is simple in structure, convenient to install, high in applicability andcapable of being directly used for transformation of an existing bag-type dust remover.

The invention discloses an adjustable clamping device for workpiece fastening. The adjustable clamping device for workpiece fastening comprise a working platform and a pressing mechanism, wherein a support frame of the pressing mechanism comprises a lifting rod assembly and a cross support beam; a pressing block II and a buffer piece are fixed to the bottom part of the middle of the cross supportbeam; two pressing blocks I are slidably arranged on the cross support beam along a horizontal direction; two sliding mechanisms are arranged on the cross support beam; two ejecting blocks are arranged on the top surface of the working platform, are located right under the corresponding pressing blocks I, and are slidably arranged on the working platform along a horizontal direction; arc-shaped notch parts are arranged at the lower ends of the two pressing blocks I; ball heads I are arranged at the upper ends of the two ejecting blocks; a ball head II is arranged at the lower end of the pressing block II; and a concave cavity is arranged on the top surface of the working platform. The adjustable clamping device for workpiece fastening provided by the invention can be used for high-efficiently and quickly fastening workpieces, is beneficial to improving the production efficiency and reducing the cost, can realize stamping operation, and is simple in overall structure, convenient to assemble and disassemble, capable of being freely adjusted according to the sizes of the workpieces, wide in application range and convenient to use.

The invention discloses a cage door locking structure which comprises a door holder (2), door screen jug lines (6), a baffle (7) and a cage door (8), wherein double lug pieces (1) are arranged on the door holder (2); a lug piece clearance (4) is formed between the two lug pieces (1); a pair of clamping legs (3) is further arranged at the lower end of the door holder (2); a clamping leg clearance (5) is formed between the two clamping legs (3); the door holder (2) is used for fixing the baffle (7) and the cage door (8) into a whole through the lug piece clearance (4) and the clamping leg clearance (5). According to the invention, the cage door locking structure is made of plastics, the mounting is simple, the use is convenient, besides, the cage door locking structure further has a certain protecting function on a door screen steel wire to prolong the service life of the door screen steel wire, the cost is low, and the performance is excellent.

The invention relates to a transportation device for prefabricated bricks. The device comprises a bottom plate and a cart main body, wherein the cart main body comprises a horizontal transverse rod, a first fixing rod and a second fixing rod; the cross section of the first fixing rod and the cross section of the second fixing rod are both in L-shaped, the connecting position of the first fixing rod and the bottom plate and the connecting position of the second fixing rod and the bottom plate are respectively provided with connecting shafts and connecting holes. The transportation device also comprises locking components for locking the cart main body on the bottom plate. The transportation device disclosed by the invention has the advantages that a first operating rod and a second operating rod are used for controlling the first fixing rod and the second fixing rod to rotate on the horizontal transverse rod, so that the connecting shafts and the connecting holes are matched to ensure that the first fixing rod and the second fixing rod are fastened on the bottom plate, and ensure that the connecting shafts can be well buckled in the connecting holes. The locking components are arranged to form connecting rods which rotate through pin shafts, and a bolt is matched with a threaded hole in the bottom plate, so that the locking effect of the bottom plate and the cart main body is ensured, and vibration generated in a transportation process of the prefabricated bricks is reduced.

The invention discloses a clamping device for buckling a workpiece. The clamping device comprises a working platform and a pressing mechanism. The pressing mechanism comprises a supporting frame, pressing blocks I, a pressing block II and a buffering part. The supporting frame comprises lifting rod components and a transverse supporting beam. The pressing blocks I, the pressing block II and the buffering part are fixed at the bottom of the middle of the transverse supporting beam. The number of the pressing block I is two, and the two pressing blocks I are symmetrically arranged on two sides of the buffering part. Two ejector blocks are arranged on the top surface of the working platform, and are separately positioned under the corresponding pressing blocks I. Arc-shaped notch parts are separately arranged on the back sides of the lower ends of the two pressing blocks I. Balls I are separately arranged at the upper ends of the two ejector blocks. The upper ends of the pressing blocks II pass through the buffering part to be fixed at the bottom of the transverse supporting beam. Balls II are arranged at the lower ends of the pressing block II. A cavity is formed in the top surface of the working platform. The clamping device can not only realize efficient and rapid buckling of the workpiece and be improved in production efficiency and reduced in cost, but also realize punching operation, and in addition, the integrated structure is simple, and mounting and replacing are convenient.

The invention discloses a preset building wall connecting device and a using method thereof. The preset building wall connecting device comprises a first wall. A second wall is arranged on one side ofthe first wall. Second T-shaped sliding grooves are formed in the sides, adjacent to the second wall, of the first wall, and second T-shaped sliding blocks are slidably connected to the interiors ofthe two second T-shaped sliding grooves. A first connecting plate and a second connecting plate are welded to the adjacent sides of the two second T-shaped sliding blocks correspondingly, through cooperation of first U-shaped rods, second U-shaped rods and third U-shaped rods, the first connecting plate and the second connecting plate are connected in a fastened mode, and the stabilizing effect between the first wall body and the second wall body is improved; and the connection between vertical plates, a transverse plate, the first connecting plate and the second connecting plate is dispersedly reinforced through U-shaped plates, so that the fastening effect of the connection between the first wall and the second wall is further improved, the strength of the connection between the walls ishigh, the situation that the whole structure is unstable due to long-term use is avoided, and the use safety of the walls is improved.

The invention discloses a bolt for a mixing machine. The bolt comprises a bolt head and a screw. The bolt head and the screw are integrated. At least two fixing grooves are in annular array on the upper surface of the bolt head and are communicated with the outside. Fixing blocks are arranged in the fixing grooves. One ends of the fixing blocks extend out of the bolt head. Fixing columns are arranged on the lower surfaces of the portion, extending out of the bolt head, of the fixing blocks. Fastening blocks are arranged in the fixing grooves and above the fixing blocks. The upper surfaces of the fastening blocks are flush with the upper surface of the bolt head. A retaining block is arranged on the upper surface of the bolt head. The area of the lower surface of the retaining block is larger than or equal to the area of the upper surface of the bolt head. The bolt does not shake due to large mechanical vibration caused during working of the mixing machine, thread abrasion and weakening of bolt fastening effect are avoided, and accordingly, working performance and stability of the mixing machine are improved.