51results about How to "Reliable fit" patented technology

The invention solves problems wherein a caliper body moves in the direction of rolling stock width when rolling stock runs, thereby causing wear of a lever turn part, a spring cylinder and a lever interfere with other section, thereby causing noise, and an interference section is damaged in a conventional brake caliper device for railroad rolling stock provided with a parking brake mechanism for swinging the lever supported on the caliper body by the non-restraint spring cylinder and pressing a brake block against a disc by a pressing piece connected with a point of application of the lever. This brake caliper device is provided with a cylindrical case 18a joined with the caliper body 2, a pin 18b inserted into the cylindrical case, an elastic body 18c giving slide resistance to the pin 18b, and a travel resistance imposing means 18 provided with faces 18d, 18e on which both ends of the pin 18b are abutted. Travel resistance is added to the spring cylinder 13 constituting the parking brake mechanism 10 by the travel resistance imposing means 18 to suppress free moving of the spring cylinder by receiving lateral gravity acceleration when the rolling stock runs and suppress its moving by exceeding fixed amount.

A permanent magnet motor stator assembling device is characterized by comprising an assembling platform for supporting, a positioning plate and a guide bushing, wherein the positioning plate is provided with a guide hole and is fixed to the assembling platform, the guide bushing is axially detachably connected with a revolving shaft drive end of a rotor, and a stator is detachably mounted on the positioning plate and aligned to the guide hole coaxially; in the assembling process of the stator and rotor, the guide bushing matches with the guide hole in a guided way and runs through the positioning plate to extend to the assembling platform. In application of the permanent magnet motor stator and rotor assembling device, accurate centering positioning and guiding of the stator and the rotorduring assembling is guaranteed, centering requirements of assembling of the stator and the rotor are met, the stator and the rotor are assembled in a reliable, safe and effective way without any damage to winding, and quality and precision of assembling of the stator and the rotor are guaranteed. The invention further relates to a permanent magnet motor stator and rotor assembling method.

The invention discloses an overrunning clutch. The clutch is characterized by comprising two interlinked rotary guide mechanisms M1 and M2, wherein the mechanism M2 which is separated in an overrunning way is provided with an embedding stop mechanism for stopping the embedding of the mechanism M2; the normally embedded mechanism M1 is provided with a re-separation guarantee mechanism for stopping re-engagement of the mechanism M1 in a stop working condition, so that the embedding restoration of the mechanism M2 is smoothly finished. Thus, a lunchbox locking differential which is formed by connecting the overrunning clutches in a duplex way completely eliminates high-frequency collision and noise in the prior art, reduces mechanical wear, improves the bearing capacity and prolongs the life; and most importantly, expensive titanium alloy is not needed any more, so the manufacturing cost of the locker differential is greatly reduced.

The invention relates to an anastomat applicable to a magnetic surgical department. The anastomat consists of a gun head and a gun body. The gun head comprises a first magnetic ring, a first magnetic shielding case, an outer connecting shell, an annular cutting edge, a second magnetic ring, a second magnetic shielding case and an inner connecting pipe; the gun body comprises a gun body shell, a cutting propelling device and a thread adjusting device. The first magnetic ring covers the first magnetic shielding case; the outer connecting shell sleeves the first magnetic shielding case and can slide relative to the first magnetic shielding case; the annular cutting edge is arranged on the inner side wall of the first magnetic ring and can slide relative to the first magnetic ring; the second magnetic shielding case covers the second magnetic ring, one end of the inner connecting pipe is provided with a clamping jaw, the other end of the inner connecting pipe is provided with a circular pipe, the inner connecting pipe is installed in a groove in the inner wall of the second magnetic ring through the clamping jaw, the circular pipe can be nested in the annular cutting edge, after the gun body shell is connected with the outer connecting shell, the surplus tissue can be cut by utilizing the cutting propelling device to push the annular cutting edge, the inner connecting pipe is pressed to be separated, the distance between the first magnetic ring and the second magnetic ring is adjusted by utilizing the thread adjusting device, and rapidness, safety and reliability in surgical anastomosis with no foreign matter and stitch remaining in an anastomotic stoma can be realized.

The invention discloses a brick sticking device and a use method thereof. The brick sticking device comprises a mounting base, a prepared material blanking mechanism, a brick compressing device and afirst driving mechanism making the prepared material blanking mechanism and the brick compressing device to be located at alternate working positions. The prepared material blanking mechanism, the brick compressing device and the first driving mechanism are all installed on the mounting base, the brick compressing device comprises a second driving mechanism, a compressing plate for compressing bricks and a transmission mechanism for driving the compressing plate to perform vertical reciprocating motion, the second driving mechanism is connected with the compressing plate through the transmission mechanism, and the first driving mechanism can trigger the second driving mechanism to move upwards or downwards. The brick sticking device is ingenious in structure and capable of achieving reliable and efficient brick compression.

The invention discloses a front fork folding vertical pipe. The vertical pipe comprises a handlebar assembly, a handle vertical pipe assembly and a front fork piece. The handle vertical pipe assemblyis connected with the handlebar assembly; the folding vertical pipe further comprises a folding locking piece. The folding locking piece comprises a folding upper seat, a rotating shaft, a folding lower seat and a locking piece; the handle vertical pipe assembly is connected with the folding upper seat; the folding upper seat is rotatably connected to the folding lower seat through the rotating shaft; the locking piece is connected to the lower folding base in a rotating mode. The locking piece is matched with the folding upper seat; the lower folding seat is connected with the front fork piece, an upper positioning bulge is arranged on the upper folding seat, a lower positioning groove is formed in the lower folding seat, and the upper positioning bulge arranged on the upper folding seatis connected with the lower positioning groove formed in the lower folding seat in a positioning manner. After the scooter is used for a period of time, the connection between the handle vertical pipeassembly and the front fork piece cannot be loosened, the connection is reliable, and the safety performance is high; the handle vertical pipe assembly and the front fork piece can be folded, so thatcarrying is inconvenient, and the scooter occupies a small storage space.

The present invention addresses the problem of providing a gas sensor, which can be suitably assembled by accurately aligning connecting terminals with a separator, and an intermediate component of the gas sensor. An oxygen sensor (1) is provided with protruding portions (105-111) that protrude to the leading edge side from the separator (27) surface on the leading edge side. On the outer circumferential surfaces of the protruding portions (105-111), an outer fitting portion (53) of an outer connecting terminal (29) is fixed by means of pressing force of the outer fitting portion itself, and on the inner circumferential surfaces of the protruding portions (105-111), an inner fitting portion (73) of an inner connecting terminal (31) is fixed by means of a pressing force of the inner fitting portion itself. Consequently, the position of the outer connecting terminal (29) and that of the inner connecting terminal (31) with respect to the separator (27) are not easily shifted, and the outer connecting terminal (29) and the inner connecting terminal (31) can be accurately aligned.

The invention provides a grommet, which is positioned in a tabling hole and reliably mounted on a proper position with shaking even if under the condition that the size accuracy of the tabling hole is low. In the grommet (1), a plurality of centering claws (8) is arranged on an outer side of a grommet inner member (2) elastically resisted with the tabling hole (21) and for positioning the grommet inner member (2) at a center of the tabling hole (21). On the other hand, a plurality of temporary anchor units (7) are arranged on the outer side of the grommet inner member (2), when the grommet (1) is inserted into the tabling hole (21), before a locking anchor (6) is clamped at the front of an inner edge of a flanging (22), the temporary anchor units (7) are clamped in the inner edge for axially supporting the grommet (1).

The invention discloses a rapid sequence of FC-SC, FC-SC-APC fiber. The rapid sequence is pressed tightly into an FC or SC shell (2) by a spring (3) through a spring connecting base (4); a tail shell (8) is arranged on the tail end of the spring connecting base (4) as an integration; a contact pin (1) is fixed in a contact base sleeve (5); the contact pin (1) is provided with a precise and tiny guide positioning hole (1-1) inside; the front end of the contact base sleeve (5) is provided with a carrying cavity (5-1) as a pressing device; the tail end of the contact base sleeve (5) is provided with a large conical cavity (5-3); a V-shaped block (9) and a gland (10) are arranged in the pressing device, the carrying cavity (5-1); a fastening screw (7) is connected with the tail end of the contact base sleeve (5) to form a locking cavity; and a bipyramid chuck (6) is arranged in the locking cavity. No jointing points of the rapid sequence achieve ultra-low insertion loss control; 8 degrees APC slope polishing significantly reduces the loss value in fiber jointing; and repeated recycling decreases the utilization cost.

The invention discloses a cutting blade for inner hole processing. The cutting blade for inner hole processing comprises a front surface, a back surface, a main side surface perpendicularly connectedbetween the front surface and the back surface, a cutting part and an installation part, wherein the cutting part is located on the main side surface; the installation part is located in the middle ofthe back surface; more than two bosses are arranged on the back surface and are arranged along the circumferential direction of the installation part; and a locking surface is arranged on the peripheral wall of one side, far away from the back surface, of the installation part. The invention further provides a cutting tool which comprises a cutter bar, a fastening screw and the blade, wherein theblade is the cutting blade; a positioning groove for holding the blade is formed in the front end of the cutter bar; and a threaded hole for installing the fastening screw is formed in the peripheralsurface of the front end of the cutter bar. The cutting blade and cutting tool for inner hole processing provided by the invention has the advantages of high strength and accuracy in positioning.

The invention discloses a short-circuit-proof separable plug connector with a three-layer insulator assembly, and relates to the technical field of aerospace electrical connectors. The short circuit-proof separable plug connector comprises a nylon wire, a plug dust cover, a pin hole, a conductive rubber ring, a connecting rod, a plug cable cover, a connecting mechanism and a plug housing. The plugdust cover is fixedly mounted on one axial end of the plug housing. The plug cable cover is fixedly mounted on the other axial end of the plug housing. The connecting mechanism is fixedly mounted onthe axis of the plug cable cover and extends into the plug housing. The nylon wire is wound around the one axial end of the plug dust cover. The pin hole is arranged inside the plug housing and located under the connecting mechanism. The conductive rubber ring is fixedly mounted on the outer wall of a front surface layer. The short-circuit-proof separable plug connector in the invention meets thepurpose of adaptation to a socket electrical connector with a three-layer insulator assembly used in certain situations, and the plug connector has the function of preventing a short circuit after theelectrical connector is separated and the signal of the socket and plug is disconnected.

The invention belongs to machining technology and relates to improvement to planing methods for cubic part vertical faces. A planing method for cubic part vertical faces comprises the steps that a gripper is detected and rectified; rough planing is conducted on four vertical faces; a horizontal face is planed; one vertical face is planed; the other vertical face is planed; and the other horizontal face is planed. According to the planing method, the perpendicularity of the vertical face of the gripper and horizontal cutter feeding of a machine tool is used, one vertical face of the gripper is used as the datum, all the vertical faces are machined, the principle of datum unification is achieved, and thus the perpendicularity requirements of the four machined cubic part faces are met. Through filling of a round bar, clamping force is focused on the middle of a jaw so that a datum plane can be attached to the fixed jaw tightly and reliably, and thus the machining quality is ensured. The planing method is simple and convenient to operate, the precision of a machined part can be improved, and deformation of machining is reduced effectively.

The invention discloses a screen window with a window screen embedded in lock catches. The screen window comprises an outer frame, a surface inner frame, plug buckles, a window screen, a lining inner frame and screws. The outer frame is a rectangular frame, wherein horizontal side frames and vertical side frames are section bars with the same h-shaped cross section. The horizontal side frames are connected with the vertical side frames through outer corner parts. The outer corner parts are fastened through the screws installed on the four corners of the outer frame. The lining inner frame and the surface inner frame in cooperation with each other are arranged in an inner chamber of the outer frame. The lining inner frame and the surface inner frame are made of the same kind of section bars with a concave-convex structure only on one surface. Grooves in the lining inner frame are matched with protruding strips on the surface inner frame opposite to the lining inner frame to form the complementary lock catches. The surface, provided with the concave-convex structure, of the lining inner frame is covered with the window screen. The surface, provided with the concave-convex structure, of the surface inner frame is arranged towards the surface, provided with the concave-convex structure, of the lining inner frame for embedding and locking the window screen. The screen window with the window screen embedded in the lock catches is simple in structure, the window screen is easy to assemble and disassemble, and a user can dismantle and clean the window screen or replace the window screen by himself according to the use conditions of the window screen.

The invention relates to a method for adapting a touch point of a friction clutch which is in an automated clutch actuation system (1) driven by a hydrostatic actuator (3); touch points are adapted from a pressure-distance-feature curve by means of the pressure (p), from which a clamping force-distance relation correlated with a transmitted clutch torque (T) is determined. In a method in which a starting operation can be carried out smoothly, a reliably detectable reference pressure signal ( D) is generated in an area (B) comprising the gap of the friction clutch (9) before a clamping area (C)of the friction clutch (9); after the detection of the reference pressure signal (D), a contact is adapted in the area (B) comprising the gap of the friction clutch (9) under a condition in which theclutch torque (T) is not monitored.

The invention discloses a scroll compressor. The scroll compressor comprises a dynamic scroll plate and a static scroll plate. A scroll groove is formed in the end face of each of the dynamic scroll plate and the static scroll plate. The cross section of each scroll groove is rectangular. A sealing strip is arranged in each scroll groove, and is higher than the corresponding scroll groove. The sealing strips are elastic pieces, and ventilating grooves are formed in the reverse sides of the sealing strips axially. Outwardly-expanding side walls are formed on two radial sides of each ventilatinggroove, and can contact with two sides of the corresponding scroll groove in an interference mode after being expanded. The scroll compressor has the advantages that through structural optimization of the sealing strips, the outwardly-expanding side walls of the sealing strips contact with two sides of the corresponding scroll grooves tightly when the sealing strips are jacked up, and radial gapsbetween the sealing strips and the scroll grooves are filled up, so that the sealing effect of the end faces of the scroll plates is enhanced, and the efficiency of the compressor is improved.

The present invention provides an electric vacuum cleaner capable of improving the convenience during mounting or dismounting of dust collection box, wherein, the dust collection box (6) is provided with a freely rotary handle (7) for conveying the dust collection box, and a freely sliding coupling shaft (8) for fixing the dust collection box in the vacuum cleaner body (1). On the other hand, a jogged section (16) for coupling shaft jogging is provided at one side of the vacuum cleaner body, the coupling shaft can be linked with the movement of the handle on the dust collection box, performing jogging or releasing jogging with the jogged section. When the handle is pulled up, the coupling shaft slides from the jogged section, only the dust collection box can be removed.

The invention provides a two-layer co-extrusion die for an optical fiber sheath. The two-layer co-extrusion die for the optical fiber sheath comprises a die core and a die sleeve arranged on the die core in a sleeving mode. The front end of the die core is a conical part. An extrusion forming part is arranged on the conical part. A forming cavity corresponding to the extrusion forming part and a positioning cavity corresponding to the conical part are formed in the inner wall of the die sleeve. The size of an extrusion space between the inner wall of the forming cavity and the extrusion forming part is constant. A plurality of color strips corresponding to the die sleeve are arranged on the die sleeve. Troughs separately communicating with the color strips are formed in the outer surface of the die sleeve. The two-layer co-extrusion die for the optical fiber sheath is simple in structure, convenient to use, simple in process and capable of reducing the cost, and replacement of a machine head is not needed. The die core and the die sleeve can be fixed together in a matched mode firmly, so that the stability in use is good, and the quality of finished products is good; and in addition, the corresponding color strips can be produced and processed according to actual requirements, and thus, the controllability is high.

Engagement between the engaging teeth at minute intervals on one of a cap and a container and the minute locking teeth on the other is conventionally required for locking the cap to the container at a minute rotational interval, but they may be unlocked to prevent a positive locking, and a precise machining technology is required. Furthermore, it is difficult to provide a locking device at the neck or shoulder portion of a container by blow molding of plastic. In the locking device of a cap for rotary-setting a cap (10) over a container (20) through elastic engagement between the circumferential engaging teeth (1) provided on one of the cap(10) and the container (20) and the locking teeth (2) provided on the other, a set of three locking teeth (2) is arranged such that the locking teeth (B1, C1) located on the opposite sides of a central locking teeth (A1) have a pitch substantially equal to one-third or two-thirds of the integral multiples of the pitch of the engaging teeth.

The invention relates to a hair quick-drying hair drier, and belongs to the technical field of hair drier equipment. The hair drier comprises a hollow arc-shaped block, a plurality of fan sets are arranged on the back side of the arc-shaped block, the multiple fan sets are distributed along the arc-shaped block at intervals, each fan set comprises two electric air blowers which are arranged in a bilateral symmetry mode, the bottom ends of the electric air blowers are inserted into a cavity of the arc-shaped block and fixedly connected with the arc-shaped block, and the bottom ends of the electric air blowers communicate with air outlet pipes; through holes are formed in the positions, corresponding to the air outlet pipes, of the arc-shaped block, the hole diameter of the through holes is larger than the diameter of the air outlet pipes, the air outlet pipes are elastic pipes, and a connecting rod assembly used for making the air outlet pipes swing is arranged on one side of an insertion end of the electric hair dryer. The hair dryer solves the problems that an electric hair dryer in the prior art is low in hair drying speed and the like.

The invention discloses a platform device used for a washing machine. The platform device comprises two first supporting plates and two second supporting plates, wherein the two first supporting plates are arranged in parallel with each other, the two second supporting plates are fixed to the two first supporting plates, and the two first supporting plates and the two second supporting plates arefixedly connected to form a rectangular frame; the two ends of each first supporting plate are provided with fixing ears, the two ends of each second supporting plate are provided with fixing blocks,and the fixing ears and the fixing blocks are fixedly connected through screws; the upper end surfaces of the second supporting plates are fixedly provided with lower supporting plates. The platform device can be used for quickly raising the height of the washing machine so that a customer can put the clothes conveniently, and the combination of a platform and the washing machine is fast, simple and reliable.

[Problem] To provide a tube stent delivery system which has a simple structure and whereby a tube stent is easily released. [Solution] A tube stent 10 has a ring-shaped first tube wall part 11, a hollow first insertion part 12 surrounded by the first tube wall part, and a first fitting part 40 for fitting with an outer catheter 20, the first fitting part being provided with a first fitting piece 42, a first fitting hole 43, and a first body 41. The outer catheter has a ring-shaped second tube wall part 21, a hollow second insertion part 22 surrounded by the second tube wall part, and a secondfitting part 50 for fitting with the tube stent, the second fitting part being provided with a second fitting piece 52, a second fitting hole 53, and a second body 51. The first fitting piece is inserted in the second fitting hole, and the second fitting piece is inserted in the first fitting hole, whereby the first fitting piece and the second fitting piece are fitted together, and the fitting ismaintained by insertion of an inner catheter in the first insertion part of the tube stent and the second insertion part of the outer catheter.

The invention relates to a milling deformation control device and method for conical thin-wall parts. The device is a fixed conical surface expansion mechanism consisting of a fixture body cooperatingconical surface, an upper gland and a bottom auxiliary support ring, wherein the fixture body cooperating conical surface is positioned on a base; the bottom auxiliary support ring is fixedly mountedat the outer periphery of the lower part of the fixture body cooperating conical surface; the upper gland is mounted on the upper end surface of the fixture body cooperating conical surface; and parts are limited among the fixture body cooperating conical surface, the upper gland and the bottom auxiliary support ring. Molding surface structures of the parts are fully analyzed to radically solve the problems of overproof roundness after clamping of the parts, nonuniform wall thicknesses of the parts after machining caused by cooperating gaps between fixtures and parts and overproof wall thicknesses, so that theoretical basis is laid for future machining of products with the same type, and meanwhile, new thoughts are developed for clamping schemes of parts with other types.

The present invention is a drop-lid-type molded lid that can be fitted to a container having a flange, wherein the molded lid comprises a flange, and first and second tapered sections having fitting sections extending below the flange, guide parts being formed on the lower part of the fitting sections, the inner diameter of each of the guide parts being reduced moving downward, the taper angle [Beta] of the second tapered section being larger than the taper angle [Alpha] of the first tapered section, and the second tapered section being formed in an arc shape that is smaller than the range in which the first tapered section is formed, whereby it is possible to supply a molded lid having exceptional suppliability and fitting properties in relation to the container in the conveyance state.