30 results about "Female structure" patented technology

A paint roller comprises a liquid-impermeable tubular core member 6 with an engaging element 9 having a male structure of a separable fastener and a height of 0.3 to 4.0 mm on a surface thereof, and a cover member 8 with a female structure and a loop on the inner surface capable of male-female engaging with the engaging element on the surface of the core member. The density of the engaging element on the surface of the core member is 30 to 150/cm². Thus, in such paint roller, when the cover member becomes dirty, damaged, or worn, the cover member can be exchanged to a new cover member. Such that, a roller body is repeatedly usable, and the paint roller can provide a good painted surface. Moreover, there is also provided an effect roller in which a painting pattern can be changed optionally.

A rod connection structure that connects a first rod (10) and a second rod (20) in a male-female fit, and an anti-rotation device is provided on any one of the first rod (10) and the second rod (20). Rib (23), anti-rotation notch (12) is provided with on the other, while the coupling protrusion (33) of the 1st bar (10) is fitted and fixed in the coupling hole 21 of the 2nd bar (20), the two The anti-rotation ribs (23) and the anti-rotation notches (12) of the rods (10, 20) can be combined with each other at least in the circumferential direction of the two rods (10, 20).

A drill bit system and associated methodology enables a user to quickly and easily interchange drill bits upon a primary shank during drilling operations. The drill bit system optionally comprises a primary, flexi-shank, a series of drill bits, a set screw, an extension adapter, and quick change or secondary shank. The primary shank has a notched, bit-engaging end. Each drill bit has a shank-engaging end and a bit axis. Each shank-engaging end has female structure for receiving the bit-engaging end. Each female structure has a substantially uniform inner bit diameter sized for receiving the shank. The bit-engaging end is receivable by the shank-engaging ends, and the set screw is threadably receivable by both (a) threaded apertures formed in the bits and (b) the notch for removably and interchangeably fastening the drill bits to the flexi-shank. The extension adapter and secondary, quick change shank enable added interchangeability and drilling capabilities.

The invention discloses a magnetic connector, which comprises a concentric contact terminal and a conducting magnetic assembly, wherein the concentric contact terminal penetrates through the conducting magnetic assembly, and an insulation assembly is arranged between the concentric contact terminal and the conducting magnetic assembly. The conducting magnetic assembly can generate the magnetic adsorption effect, after the conducting magnetic assemblies of two magnetic connectors are connected, the connection of the two magnetic connectors can be realized, and the conducting magnetic assembly has the electrical conductivity, so the conducting magnetic assembly can be matched with the concentric contact terminal for providing the conduction of at least three circuits, the respective design of male and female structures is not needed, the structure is simple, the processing is convenient, the processing cost is low, and in addition, the connection is convenient.

The invention discloses a snap-in floating oil seal assembling tool and an implementing method thereof. The snap-in floating oil seal assembling tool comprises a left pressing sleeve, a right pressing sleeve and a pressing cover, wherein each of the left pressing sleeve and the right pressing sleeve is of a semicircular ring structure. An N-shaped snap-in male structure is arranged on a matched face of the left pressing sleeve, an N-shaped snap-in female structure matched with the N-shaped snap-in male structure is arranged on a matched face of the right pressing sleeve, and the left pressing sleeve and the right pressing sleeve are combined in a matched manner to form a complete circular ring structure. The upper ends of the left pressing sleeve and the right pressing sleeve are disposed in the pressing cover, the left pressing sleeve and the right pressing sleeve are combined into a whole through the pressing cover, and a contact portion for fitting an O ring is arranged at the lower ends of the left pressing sleeve and the right pressing sleeve. The snap-in floating oil seal assembling tool has the advantages that the matched portions of the left pressing sleeve and the right pressing sleeve are designed as N-shaped snap-in structures, the N-shaped structure match enables the left pressing sleeve and the right pressing sleeve to form a complete circular ring and limit radial movement of the left pressing sleeve and the right pressing sleeve as well as downward axial movement amount of the right pressing sleeve, and the pressing cover limits axial movement of the left pressing sleeve and the right pressing sleeve; the snap-in floating oil seal assembling tool is extremely convenient to take out and mount and is applicable to assembly of different types of floating oil seals and mounting of similar products.

The invention discloses a radio frequency (RF) probe for testing PCB board impedance. The RF probe comprises ground pins, a ground shell, a ground spring, a signal pin, and a flange; two ground pins and one signal pin are arranged; since the flange covers a main outer conductor shell in the testing process, three contact pins without eccentricity is guaranteed when the flange is pressed; three contact pins perfectly contact a testing point of a PCB board, the contact is good and non-eccentric; the RF probe joint type is a SMA female structure and adopts a standard structure; the RF probe is mature and stable, high in frequency and simple in processing; the probe use frequency is greater than the actual use frequency of the PCB board, the working frequency can completely adapt to the testing width required by the PCB board.

The invention relates to a novel door leaf control system, which comprises an inside door handle and a base. A first suction block containing a magnetic domain is arranged on the inside door handle; the outer side of the first suction block is provided with a first bonding surface; when the inside door handle is arranged on the far end of a rotary door leaf and is rotated along with the rotary door leaf to lean towards a vertical wall surface, the first bonding surface can face the vertical wall surface; the base can be arranged on the vertical wall surface and corresponds to the inside door handle; a second suction block containing a magnetic domain is arranged on the base; the outer side of the second suction block is provided with a second bonding surface; at least one of the first suction block and the second suction block contains a hard magnet, so that the first suction block and the second suction block can be in mutual magnetic drawing; the first bonding surface and the second bonding surface are of male and female structures or plane structures matched mutually. Therefore, the inside door handle has a magnetic drawing function capable of drawing the base,so that the inside door handle with a function of pushing and pulling the door leaf also has a magnetic drawing capacity at the same time so as to have a function of stabilizing the door leaf.

The present invention relates to a bond-prefilled after-bonding prestressed reinforcement, including stranded wire, after-bonding agent and sheath. The stranded wire is placed in the sheath, between the stranded wire and sheath the after-bonding agent is filled. It is characterized by that the internal surface of the sheath is equipped with a male structure, at the same time external surface of the sheath also is equipped with a female structure, the above-mentioned male structure and female structure can be superimposed together, so that the bondability and bond strength between after-bonding agent and sheath and between the concrete and sheath can be greatly raised. The invented product can be extensively used in the engineering structure is industrial and civil buildings, irrigation works, power, port, road and bridge, etc.

The invention relates to quick-and-easy-assembly wall panels for an integral bathroom and a connecting method thereof. At least two or more male structures are arranged on one side of each wall panel and at least two female structures are arranged on the other side of each wall panel. Each male structure is a barb structure formed by bending a clamping plate extended outwardly on the side edge of each wall panel downwardly. A positioning groove is formed in the inner wall of an abdominal cavity. Each female structure is zigzag form structure formed by connecting an inner flat plate on the side edge of the wall panel, an upper drooping plate extended upwardly and an outer flat plate extended outwardly sequentially. Hollowed-out grooves are formed in the outer flat plate and the upper drooping plate. A positioning edge is formed on the outer plat plate, and a positioning edge is formed on the upper drooping plate. A positioning edge parallel and level with the positioning edge on the outer flat plate is arranged on the inner flat plate. The side for positioning on the positioning edge of the inner flat plate is composed of connecting a first plane, a transition slope and a second plane sequentially. A protruding portion is arranged on the lower edge of each hollowed-out groove in a protruding mode. By engaging the male structures with the female structures, the plane assembly connection and the vertical connection of the corner are achieved. The wall panels are quick and easy to install.

The invention relates to the technology field of solid particle catalyst continuous reaction and regeneration and discloses a particle catalyst conveying pipeline connector which comprises a connector component 4A and a connector component 4B. The connector component 4A and the connector component 4B are of male-female structures. The inner diameter of a middle pipe of the connector component 4A of the male structure is matched with the inner diameter of a catalyst conveying pipe. The outer diameter of the 4A middle pipe is larger than that of the catalyst conveying pipe. A pipe section at one end of the connector component 4B of the female structure is fixedly connected in a smooth mode with the solid particle catalyst conveying pipe, the inner diameter of a pipe section at the other end is matched with the inner diameter of the catalyst conveying pipe, the outer diameter of the pipe section is larger than that of the catalyst conveying pipe, and the pipe section is provided with a sealing ring groove connected with the connector component 4A of the male structure. The connector is used for pipeline connecting, the structure is simple, manufacturing and mounting are convenient, and inner smoothness and continuity in a long-distance catalyst conveying pipeline connecting head are achieved.

The present invention relates to a bond-prefilled after-bonding prestressed reinforcement, including stranded wire, after-bonding agent and sheath. The stranded wire is placed in the sheath, the after-bonding agent is filled between the stranded wire and sheath. It is characterized by that the internal surface of the sheath is equipped with at least female structure, so that the bondability and bond strength between after-bonding agent and sheath can be greatly raised. The invented product can be extensively used in the engineering structures of industrial and civil buildings, irrigation works, power, port, road and bridge, etc.

The invention discloses a plastic tee with an annular shielding peak. The plastic tee comprises a transverse pipe and a vertical pipe, pipe openings in the two ends of the transverse pipe are of a male-female structure, a through hole is formed in the pipe wall of the transverse pipe, the annular shielding peak is arranged on the outer wall of the middle of the vertical pipe, and a pipe opening inone end of the vertical pipe and the through hole in the pipe wall of the transverse pipe are connected to be penetrated into a whole. According to the plastic tee, after the vertical pipe is connected with a plastic metal composite radiator vertical pipe, the annular shielding peak can shield and close the section of the plastic metal composite radiator vertical pipe, thus overflow of a molten pool during welding of the plastic tee pipe and the radiator vertical pipe is controlled, and a welding opening is attractive; the welding area of the plastic tee vertical pipe and the radiator vertical pipe is increased, and the welding strength is improved; and the situations that impurities enter a gap between a plastic pipe of the radiator vertical pipe and the metal pipe, consequently the contact effect of the plastic pipe and the metal pipe is affected, and the heat dissipating effect of the radiator is affected are prevented.

The present invention relates to a bond-prefilled after-bonding prestressed reinforcement, including stranded wire, after-bonding agent and sheath. The stranded wire is placed in the sheath, and between the stranded wire and sheath the after-bonding agent is filled. It is characterized by that internal surface of the sheath is equipped with a female structure, at the same time the external surface of the sheath also is equipped with a male structure, the above-mentioned female structure and male structure can be superimposed together, so that the bondability and bond strength between after-bonding agent and sheath and between concrete and sheath can be greatly raised. The invented product can be extensively used in the engineering structures of industrial and civil buildings, irrigation works power, port, road and bridge, etc.

The invention relates to a cavity shuttering component used for a cast-in-situ reinforced concrete cored slab, the cavity shuttering component (3) comprises an upper plate (6) and a surrounding side wall (7); wherein, the upper plate (6) and the surrounding side wall (7) form the enclosed cavity shuttering component. The invention is characterized in that the cavity shuttering component (3) consists of at least two precast slabs (8); among the precast slabs (8), at least two precast slabs are siamesed; the precast slabs (8) form an open cavity or an enclosed cavity by splicing; the precast slabs (8) are connected into a whole by a connecting piece (9); at least one of the precast slabs (8) is provided with a female structure (14), therefore, the invention is applicable to cast-in-situ reinforced concrete or a hollow floor system, a roof system, walls and a foundation slab of the prestressed reinforced concrete as well as a vierendeel bridge girder, and is particularly suitable for a hollow flat slab.

An egg shell-piercing device pierces an egg shell and includes a combination skirt-handle construction and a pointed, shell-piercing member. The skirt-handle construction includes a skirt portion and a handle portion. The skirt portion has an inner concave surface for receiving a convex contour of an egg shell. The inner concave surface has an inner surface depth and a threaded female structure. The shell-piercing member has a pointed end and a threaded end. The threaded end is threadably connected to the skirt-handle construction via the threaded female structure and includes a shell-piercing length. The inner surface depth is greater than the shell-piercing length. The inner concave surface receives a select egg shell and the shell-piercing member pierces the select egg shell as it is received.

A female structure embedding a first metal pillar and a male structure embedding a second metal pillar. The female structure and the male structure can be locked in with each other, the embedded first metal pillar electrically coupled to the second metal pillar through a metal block. The metal block is electrically coupled to a bottom surface of the first metal pillar, and the metal block wraps peripheral surface of a top end of the second metal pillar. A first embodiment shows the metal block is formed by electroless deposition after matching the female structure to the male structure. A second embodiment shows the metal block is a solder joint.

The invention belongs to the technical field of signal shielding and access cabinets, and discloses an anti-signal-leakage closed structure and an access cabinet. The anti-signal-leakage closed structure comprises a male structure and a female structure. The male structure is provided with a plurality of first bulges at intervals. A plurality of first grooves are formed in the female structure at intervals, the first grooves correspond to the first bulges in a one-to-one mode, the first bulges abut against the first grooves, and signal shielding faces are formed on the abutting faces of the first bulges and the first grooves. Signal absorption cavities are formed in the gaps between the first bulges and the first grooves. The signal shielding faces can effectively prevent signal leakage, and the signal absorption cavities can absorb leaked signals, so that complete shielding of the signals is realized. The access cabinet adopts the anti-signal-leakage closed structure. Signals emitted by an RFID signal transmitter in the cabinet can be completely shielded, and meanwhile, the comfort of a user when a cabinet door is closed is improved.

The invention relates to a modular large wall board, and a manufacturing method and application thereof, belonging to the field of building materials. The board is mainly used for walls of buildings like workshops, storehouses and hangars. The board comprises a hoisting hole, a window frame, surface layers, a heat-insulation layer, and first to fourth edgings, wherein the first and second edgings are located at the left and right ends of the board respectively and are male and female structures which can be assembled respectively; the third and fourth edgings are located at the upper and lower ends of the board respectively; the hoisting hole is located in the first and second edgings and transversely passes through the whole board; and the heat-insulation layer is prepared from biological straw, cement and cotton felt, the biological straw and the cement are integrally arranged to form straw cement, and the cotton felt are adhered on two sides of the straw cement. The board provided by the invention has the advantages of great strength, light weight, heat insulation performance, noise-reducing performance, low cost and capacity of reducing environmental pollution.