124 results about "Protruding shoulders" patented technology

A ferrule comprising a molded ferrule body defining fiber bores, an end face of a connective end of the ferrule positioned about the fiber bores, and an integral reference surface for determining the angularity of the end face. The integral reference surface is not machined subsequent to a ferrule molding process and is accessible after assembly of the ferrule body into a connector body. A multi-fiber ferrule comprising a connective end defining an end face, a rear non-connective portion defining a protruding shoulder, and an integral reference datum positioned on a surface of the shoulder accessible for determining the angularity of a plane defined by the end face, wherein the integral datum is accessible when the ferrule is received within a connector body.

Attachments are removably coupled to the magnetic core of a rotating electric machine, the magnetic core being shaped to include a plurality of coil-receiving slots that are separated by radial teeth. Each attachment is constructed as a unitary member and includes a base and a stem, the stem being dimensioned for fitted insertion within a recess formed in the distal end of a corresponding tooth. The base includes a convex bottom wall, a flattened top wall and a pair of non-planar sidewalls. The stem is integrally formed on the top wall of the base and includes a front end, a rear end, a flattened top wall and a pair of opposing sidewalls. A longitudinal groove is formed into each of the pair of opposing sidewalls of the stem. An outwardly protruding shoulder designed for engagement by a retention plate is formed into the front and rear ends of the stem.

The invention relates to a deep cavity injection mold achieving easy demolding. The deep cavity injection mold comprises a fixed mold, a moving mold, an upper mold core, a lower mold core, a mold cavity, a fixed mold seat plate, a sprue, a sprue sleeve, a glue injection runner, mold feet, a moving mold seat plate, an ejector plate and ejector rods. Air pins are arranged in the lower mold core, andeach air pin comprises a body with a through hole formed in the center, an ejector pin, a thrust pin and a spring. Each through hole is composed of a trapezoidal hole, a second hole, a third hole anda lower hole. An air guide hole communicating with the corresponding trapezoidal hole and third hole is formed in each body. An air inlet hole is formed in the inner wall of each third hole. A thrustpin hole is formed in the lower portion of each lower hole, and each thrust pin is inserted in the corresponding thrust pin hole. Each ejector pin is composed of an airtight segment, a guide segment,a protruding shoulder and a spring guide rod. Each spring is arranged on the outer portion of the corresponding spring guide rod in a sleeving manner, and the protruding shoulders are pushed towardsthe third holes so as to abut against the lower edges of the third holes. When the air pins of the deep cavity injection mold work, the ejector pins are opened inwards, opening is easy, an injection molded product and the mold are separated completely by compressed air, and the situation that the injection molded product is ejected to be white or be broken or deform cannot happen.

This invention relates to an electric leakage protection socket, comprising a case in which a pin, a stationary contact chip, a movable contact chip, a magnetic ring, a circuit board, a trip coil, an iron core, a trip mechanism and a reset mechanism are installed; the reset spring is socketed outside the reset rod and the later forms a locating ring at its lower part; the trip mechanism comprises a sliding block, a self-locking plate and a spring, protruding shoulders are arranged on two sidewalls of the sliding block, a contact end of the movable contact chip is pressed against the protruding shoulder, a hole is axially machined on the sliding block, the lower part of the reset rod is inserted in the hole, the self-locking plate is in a shape of ‘7’ whose long edge passes through the transverse hole on the sliding block and has a locking hole matching to the locating ring, and one side of its short edge is pressed against the spring and another side adapts to the iron core. This invention overcome such shortcomings of existing technology as low safety, reliability and sensitivity and increase the sensitivity of the tripping of the electric leakage protection socket so that the equipment can be powered on only if it is started again after recovery of the electricity, with such advantages as simple structure, and convenient, safe and reliable operation.

The invention discloses a vibrating drilling machine which is arranged on a mast. The vibrating drilling machine comprises a box body, a spindle penetrating from top to bottom in the middle of the boxbody, two eccentric shafts, a sliding plate disposed on the periphery of the box body, and a buffer device connected between the sliding plate and the box body, wherein the two eccentric shafts are disposed in the box body in the horizontal direction and are symmetric with respect to the spindle. Each eccentric shaft is provided with an eccentric block, a protruding shoulder is formed at the middle of the spindle, the upper end of the spindle is connected with a rotating power head, the lower end of the spindle is connected with a drill rod and a sampler, the mast is provided with a sliding rail, and the sliding plate is disposed on the sliding rail. The vibrating drilling machine slides on the mast through a feeding oil cylinder and the sliding rail. The vibrating drilling machine can achieve effects of no pollution and no disturbance to the soil during sampling, and can also improve the drilling efficiency.

The invention discloses a linear type anastomat of a medical instrument. The linear type anastomat comprises a lower splint, a nail butting base, an upper handle, a lower handle, a percussion mechanism, an opening-closing mechanism and a cutting knife, wherein the upper handle is fixedly connected with the nail butting base; the lower handle is hinged with the nail butting base; the percussion mechanism is arranged on the lower splint and is matched with the lower splint in a slippage way; the opening-closing mechanism is arranged on the lower handle; the opening-closing mechanism can make the lower splint and the nail butting base mutually separated and closed; the head of the lower splint is provided with a nail bin; a nail pushing slice and a suture nail are arranged in the nail bin; the cutting knife is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice can push out the suture nail in the nail bin; the percussion mechanism comprises a propelling block, a propelling handle, a propelling rod and a safety device; the lower splint is provided with two protruding shoulders; and a sliding groove is arranged between the two protruding shoulders. The linear type anastomat saves labor in the process of percussion, prevents the propelling handle from moving leftwards and rightwards and ensures smooth operations.

The invention discloses an energy-saving hydraulic valve with independently-controllable load throttle mouths. A spool (9) of the hydraulic valve is provided with a displacement sensor (14). Two protruding shoulders (11 and 12) in the middle of the spool (9) and two load throttle mouths (6 and 7) satisfies the following conditions: when one of the protruding shoulder controls openness of one load throttle mouth, the other load throttle mouth is fully opened. No mutual interference occurs between the two load throttle mouths of the hydraulic valve, the two load throttle mouth can work independently, and energy-saving control of the hydraulic valve system is achieved.

The invention provides a limit mechanism of a needle holder in a retraction type safety syringe, belongs to the technical field of medical apparatus and instruments, and solves the problem that the position of needle holder in an existing syringe is unstable. The limit mechanism comprises a first limit unit and a second limit unit, wherein the first limit unit is disposed between the syringe and the needle holder and used for limiting the needle holder from moving upwardly and the second limit unit is disposed between the syringe and the needle holder and used for limiting the needle holder from moving downwardly. A protruding shoulder is disposed on the inner lateral wall of the syringe. The lower side of the protruding shoulder is provided with a limit part which extends downwardly. The second limit unit comprises the limit part and an expansion part located in the syringe, wherein the expansion part is provided with an annular expansion portion, the expansion portion is located between the limit part and the lateral wall of the syringe and abutted against the limit part, and the limit part is bent inwardly and abutted against the needle holder. The limit mechanism has the advantages that the limit part which extends downwardly is disposed on the lateral wall of the syringe, so that the needle holder is stably limited in the syringe under the action of the expansion part.

The invention discloses a method for processing shoulder pad free Western style suit, which is characterized in that: firstly, a front piece, side pieces and a back pieces of the processed Western style suit to be processed are designed and tailored according to specific size, and shoulder oblique lines of the front piece and the back piece are smoothly sewed; front muffs are provided with shoulder-shaped moulds positioned on a binding wire vehicle, and knife holes of a chest lining and the front muffs are aligned and tightly bound; from edge jointed knife holes of the side pieces to second knife holes of the front muffs, lines are tightly bound in the inner part; the shoulder collar extension raw seam of the front piece is leveled with the knife holes of the chest lining, and is positioned on the part which is 0.2 to 0.3 cm below the low point of the front shoulder oblique lines, so that the inside-outside circular front protruding shoulder size is made, and the part which is 1.5 to 2.5 cm below the low point of the front shoulder oblique lines is flatly placed on the binding wire vehicle so as to make the protruding shoulders; and finally, the chest lining and the muffs are processed. For the Western style suit made by the processing method, the shoulder pads in the prior Western style suit are removed, the shoulder width of the Western style suit more fits the human body, a user wearing the Western style suit feels light and comfortable and does not have oppressing sensation; because the resistance is reduced, arms of the user can be extended more easily; moreover, the shoulder part of the Western style suit is still smooth and straight.

The invention discloses a feeding device of a converter rotating chute. The feeding device comprises an outer fixing cylinder with the top provided with an installation plate. A feeding port of the center of the installation plate is provided with an inner fixing cylinder, and an annular fixing seat is arranged on the inner wall of the outer fixing cylinder. The annular fixing seat is provided with a plurality of supporting rollers, and a supporting platform is formed by the supporting rollers. A rotating cylinder is arranged between the outer fixing cylinder and the inner fixing cylinder in a sleeved mode. The outer wall of the rotating cylinder is provided with an annular protruding shoulder, the bottom of the rotating cylinder is provided with the rotating chute, and the rotating cylinder is arranged on the supporting platform through the annular protruding shoulder of the rotating cylinder to be supported in the outer fixing cylinder. The bottom gap of the rotating cylinder and the outer fixing cylinder is sealed through an annular sealing plate. The outer wall of the rotating cylinder is provided with a gear ring, the installation plate is provided with a rotating shaft, the upper end of the rotating shaft is provided with a handle, the lower end of the rotating shaft is provided with a transmission gear meshed with the gear ring, and an annular high-temperature-resistance sealing piece is arranged between the rotating cylinder and the inner fixing cylinder. The annular high-temperature-resistance sealing piece is sealed and fixed between the rotating cylinder and the inner fixing cylinder through a detachable fixing mechanism. The feeding device has the advantage of being good in sealing performance.

The invention belongs to the technical field of linear guide rail pairs, and particularly relates to a radial heavy load type roller linear guide rail pair. The radial heavy load type roller linear guide rail pair comprises a guide rail and a sliding base. The upper portion of the sliding base is provided with a row of a roller guide groove and a row of an upper roller path, and two rows of lateral roller paths are symmetrically arranged on the two sides of the sliding base; rollers bearing radial pressure loads are arranged in the upper roller path, rollers bearing lateral pressure loads are arranged in the lateral roller paths through retainers, each roller is a circular cylinder with protruding shoulders at the two ends, and the rollers are in linear contact with the roller path face of the upper roller path and the roller path faces of the lateral roller paths. The rollers stably move in the roller paths and can bear acting force in all directions, abrasion of contact surfaces of the rollers and the roller paths is low, and thus the service life of the radial heavy load type roller linear guide rail pair is long. Compared with a traditional product, contact rigidity of the radial heavy load type roller linear guide rail pair is increased to about 5 times, and bearing capacity is increased to about 10 times.

The invention belongs to the technical field of structural design and assembling technologies of main propeller hubs of helicopters, and particularly relates to a structure and assembling technology of a propeller blade connecting joint. At present, one structure is to assemble and mount a lining with a large protruding shoulder into a hole through the temperature difference, the other structure is to assemble and mount a straight lining into the hole through the temperature difference, and then a large gasket is bonded to the hole end face through an adhesive agent. The linings of the two connecting joints adopt the mode of temperature difference assembly, initial damage of the inner surface of the hole has uncertainty, binding force of the hole and the lining is small, and the hole and the lining are prone to generating fretting wear after the hole is subjected to force. According to the structure of the propeller blade connecting joint, a lining is mounted in a connecting hole, thelining is provided with a protruding shoulder, the lining is mounted in the connecting hole through a secondary extruding strengthening method, the lining is used for transmitting the force, and the width of the protruding shoulder of the lining is smaller than 10 mm; and a guiding gasket is arranged on the periphery of the protruding shoulder, the easily occurred problem of sliding of the liningcan be avoided, and meanwhile, the problem of upwarp by excessively extruding strengthening assembly of the protruding shoulder is solved.

The invention discloses one rotation clutch, which comprises small gear and main axis and large gear, wherein, the main axis matches large gear and the large gear meshes with small one. The actions comprise the following steps: large gear end is fixed with top block and torque bolt; the main axis relative to top block is fixed with protruding cover to process protruding shoulder and top block; the main axis is fixed with protruding wheel and one pulling memory spring arm; the side board is set with memory and clutch automatic protection block part.

Damping members for turbocharger assemblies, methods for providing turbocharger assemblies, and turbocharger assemblies are described herein. The damping members include bodies having shapes to fit between a recess extending into a rotor disk of a turbocharger and laterally protruding shoulders of platforms in neighboring blades of the turbocharger. The bodies dampen vibrations of the blades during rotation of the blades. The damping members may include a variety of shapes, such as a sheet, a wedge, a tapered pin, a cylindrical pin, a bent sheet, or another shape.

The invention discloses a pneumatic tire, wherein the inner and outer installation direction of the tire is assigned when installed on a vehicle.The tire is equipped with three main grooves (11-13) running into a running surface section (1) in a tire circumferential direction.The central position of the central main groove (12) is configured to offset outward from the tire equator (CL).The main grooves (11-13) divide the running surface section into four protruding shoulder surface sections (20-50) and two middle protruding surface sections (30, 40). Angled grooves (32, 42) run from narrow grooves (31, 41, 51) to an outer side in a tire width direction. Lug grooves (22, 52) run into the shoulder surface sections (20, 50) in the width direction and are not connected to the main grooves (11, 13), where the shoulder surface sections are located on shoulder sides of the running surface section.

The invention provides a one-way valve which comprises a valve body. A main through hole is formed in the middle of the valve body and a valve element. A limiting device is fixedly arranged on the inner wall of the main through hole. The lower end face of the limiting device is a cone-shaped face. A position clamping part is fixedly arranged at the upper end of the valve body. The valve element comprises an upper guiding part, a cone-shaped part, a middle guiding part, an annular groove, a protruding shoulder and a lower guiding part, wherein the upper guiding part, the cone-shaped part, the middle guiding part, the annular groove, the protruding shoulder and the lower guiding part are fixedly connected in sequence. An elastic sealing device is arranged on the annular groove. The valve element is arranged in the main through hole in a sliding and sleeved mode. The elastic sealing device is not lower than the lower end cone-shaped face of the limiting device. The one-way valve is high in stability, high in sensitivity, not worn easily, good in sealing performance and long in service life.

The invention provides a multi-channel outside-pipe falling film liquid distributor and a heat exchange device.The multi-channel outside-pipe falling film liquid distributor is provided with a protruding shoulder, liquid can uniformly enter each overflow hole and from a liquid film on the outer wall of each falling film pipe after passing through liquid guide teeth of the overflow holes, and the protruding shoulder plays a liquid distribution effect so that the liquid can be uniformly distributed to the falling film pipes.The protruding shoulder is connected with the liquid guide teeth, the liquid guide teeth play a uniform liquid distribution effect on the falling film pipes, and the liquid reaches the outer walls of the falling film pipes along the liquid guide teeth and forms the uniform and stable liquid films on the outer walls of the falling film pipes along a main liquid flowing channel.The liquid distributor further has a settlement effect, and residues in the liquid can bee discharged out along the main liquid flowing channel to be prevented from blocking a liquid channel.