41results about How to "Increased connection contact area" patented technology

The invention provides a fixture device for machining a lower wire outlet base of a solid-sealed polar pole on a general machine tool. The fixture device comprises a base plate; a front plate is vertically arranged at one end of the upper end face of the base plate; a front jacking component for horizontally and axially jacking the lower wire outlet base is arranged on the front plate; a rear plate is vertically arranged at the other end of the upper end face of the base plate; a cushion block is arranged at the inner side of the rear plate; a left supporting plate and a right supporting plate are respectively arranged at the two sides of the middle part of the upper end face of the base plate; an upper positioning plate is supported on the upper end faces of the left and right supporting plates; a tapered iron pressing component for vertically and radially pressing the lower wire outlet base is arranged on the base plate between the left and right supporting plates; the front jacking component moves forwards to axially push one end face of the lower wire outlet base so that the other end face of the lower wire outlet base is tightly pressed on the cushion block in order to realize axial positioning; the tapered iron pressing component moves via a bevel so that the lower wire outlet base can be lifted in the radial direction and the upper plane of the lower wire outlet base is horizontally close to the lower plane of the upper positioning plate in order to realize radial positioning. The fixture device disclosed by the invention is capable of guaranteeing the precision of a lower wire outlet base product machined by a general machine tool so that the electric conductivity of a resistance loop of the solid-sealed polar pole is good, the potential safety hazards are reduced, and the manufacturing cost and machining cost can be greatly lowered.

The invention discloses a metal bearing cleaning method. The metal bearing cleaning method comprises the following steps that (a) a cleaning frame is assembled; (b) installation is carried out in place; (c) preliminary cleaning is carried out; (d) secondary cleaning is carried out; (e) deep cleaning is carried out; (f) drying is carried out; and (g) storage is carried out. The metal bearing cleaning method has the advantages of being simple in operation, easy to control, large in cleaning amount, good in cleaning effect, comprehensive, thorough and high cleaning quality, improves cleaning efficiency, and being capable of achieving phased cleaning,.

The invention discloses a mouth opening and shaping device for stomatology department examination. The device comprises an arc-shaped supporting plate, occlusion pieces, an adjusting column, a transverse plate and a collecting bag, connecting ropes are arranged on the two sides of the bottom of the arc-shaped supporting plate, the bottoms of the connecting ropes are connected with an arc-shaped cushion plate, the bottom of the arc-shaped cushion and the top of the arc-shaped supporting plate are provided with the arc-shaped occlusion pieces, the adjusting column is arranged on the surface of the top of the arc-shaped cushion, two symmetrically-arranged lighting columns are arranged on the surface of the top of the arc-shaped cushion, the inclined transverse plate is arranged on the front face of the arc-shaped cushion, a conveying pipe is arranged on the surface of the transverse plate, one end of the conveying pipe penetrates through the interior of the arc-shaped cushion, an L-shaped support is arranged at the bottom of the transverse plate, and the collecting bag is arranged at the top of the L-shaped support. According to the device, by arranging the adjusting column, the mouth opening height and opening area can be adjusted when a patient is subjected to mouth examination, and medical staff in the stomatology department can conveniently conduct examination.

The invention discloses an HVAC (Heating Ventilation Air Conditioning) shell clamping and fastening structure for an automobile air conditioner. The HVAC shell clamping and fastening structure for the automobile air conditioner comprises a first shell (1) and a second shell (2) which are connected with each other; a groove (21) is formed in the periphery of an opening of the second shell (2); a plug pin (13) is arranged on the periphery of an opening of the first shell (1); the plug pin (13) is matched with the groove (21); a clamping groove (11) is also formed in the position of the opening of the first shell (1); a tongue piece (22) which is matched with the clamping groove (11) is arranged at the position of the opening of the second shell (22); the tongue piece (22) is in interference fit with the clamping groove (11). Firm connection is realized by the interference fit, so that the HVAC shell clamping and fastening structure has a function of a tongue-groove-type fastening piece and a function of a clamping fastening piece, and can be connected firmly and reliably in a sealing manner.

The invention provides an electrochemistry energy storing device, comprising a top cover, a coiling type naked battery cell and two conductive switchover sheets with opposite electric polarities. The top cover is equipped with terminal posts with the opposite electric polarities. The coiling type naked battery cell is equipped with tabs with the opposite electric polarities. The two conductive switchover sheets with the opposite electric polarities are electrically connected with the terminal posts of the top cover with the opposite electric polarities and the tabs of the naked battery cell with the opposite electric polarities. Each conductive switchover sheet is equipped with a top cover side connecting part which is electrically connected with the terminal post on the top cover with the corresponding electric polarity; and a tab side connecting part which stretches from the top cover side connecting part to a direction away from the top cover. A lug boss which projects from the internal surface of the tab side connecting part to the coiling type naked battery cell of the electrochemistry energy storing device, is inserted into an internal space formed by the tab of the coiling type naked battery cell with the corresponding electric polarity, contacts the tab with the corresponding electric polarity and is electrically connected with the tab with the corresponding electric polarity, is formed on the each tab side connecting part. According to the electrochemistry energy storing device, a utilization rate of the internal space is high and the volume energy density is high.

The invention discloses a round wire L-shaped locking connector and a connection method thereof. The round wire L-shaped locking connector comprises an electrically conductive connecting body, an input locking nut and an output locking nut; two ends of the connecting body are respectively provided with an input screw portion and an output screw portion which are perpendicular to each other; an input locking tube and an output locking tube are arranged on ends of the input screw portion and the output screw portion respectively; an input locking cone section and an output locking cone section are arranged in inner holes formed in outer ends of the input locking nut and the output locking nut; U-shaped openings are formed in the input locking tube and the output locking tube; the input locking nut and the output locking nut are connected to the input screw portion and the output screw portion respectively; and the input locking cone section and the output locking cone section are pressedon the input locking tube and the output locking tube respectively. The invention can quickly and vertically connect two round wires, can achieve reversing connection, can reduce the resistance, canprevent gaps, loosening and oxidation of a joint conductor contact surface after the hot and cold cycle of the connector, and can improve the connection reliability of the joint.

The invention discloses a three-in and one-out phase-change switch, and relates to the technical field of phase-change switches. The three-in and one-out phase-change switch comprises a switch assembly and a wiring terminal strip, wherein the wiring terminal strip is provided with four binding posts and wiring mechanisms, the wiring mechanisms are electrically connected with the binding posts in a one-to-one correspondence manner, the input end of the switch assembly is electrically connected with the binding posts, the wiring mechanism comprises a wiring connecting base and a wiring adjusting rod, and the wiring adjusting rod is used for driving the wiring connecting base to conduct winding and fixed connection on a connecting conducting wire. According to the invention, the wiring mechanism on the wiring terminal strip is arranged to be of a combined structure with the wiring connecting base and the wiring adjusting rod, and when the connecting conducting wire is connected, the wiring adjusting rod drives the wiring connecting base to conduct winding type fixed connection on the connecting conducting wire, so that compared with an existing mode that fixing is conducted through screw fastening, the conducting wire connection contact area is obviously increased, the connection stability is improved, and the problem of poor contact is prevented.

A movable elevator comprises a nested frame adopting a three-side surrounding structure, wherein bolt holes are formed in the positions of an opening of the nested frame, and a horizontal lifting lug and a vertical lifting lug are arranged on the outer sides of two connected side frames of the nested frame respectively. With adoption of the structure, the nested frame is clamped with a bracket and locked by a bolt through the bolt holes; hoisting and turning work of the bracket can be well completed by means of the horizontal lifting lug and the vertical lifting lug.

The invention discloses a pull basket for an integrated cooker and a mounting method of the pull basket. The pull basket comprises a bowl basket and mounting guide tracks, wherein the bowl basket is internally provided with dish holders, containing boxes and bowl holding plates respectively; a water collection box is connected with the bottom of the bowl basket. The mounting method of the pull basket comprises the following steps: (a) assembling the bowl basket; (b) mounting the water collection box; (c) mounting containing components in place; (d) mounting the pull basket into a cabinet. Thepull basket disclosed by the invention is compact in structure, flexible to assemble and disassemble and convenient to clean, tableware can be classified and stored, thus being tidy and sequential andclean and sanitary, the mounting method is simple to operate and reasonable and sequential, the mounting difficulty is reduced, easiness in control and adjustment is achieved, good flexibility and labor saving and convenience can be achieved, and thus mounting quality can be ensured.

The invention provides a construction method of an assembling-type load-bearing steel structure factory building framework. The construction method includes the steps that a wall body frame is erected, open web roofing composite beam frames are prepared, a diagonal line of the wall body frame is selected as an assembling guide line, and the open web roofing composite beam frames are hoisted in sequence. According to the technical scheme, structural parts which make up a large-scale factory building are divided into a plurality of structural parts, the structural parts are prepared in advance and then assembled and constructed, the construction process is greatly simplified, the construction efficiency is improved, connecting structural parts such as connecting clamping plates and connecting lug plates are additionally arranged to increase connecting contact areas of every two adjacent structural parts at the joint, overall structural strength and bearing capacity of a steel structure wall body are greatly enhanced, when the open web roofing composite beam frames are laid and installed, laying and installation are carried out in sequence according to the assembling guide line, assembling precision is ensured, a hoisting vehicle only needs to travel along the corresponding path once without reciprocating movement, the construction period is shortened, and the construction qualityof the factory building is ensured.

The invention discloses a round wire multi-branch locking connector and a connection method thereof. The round wire multi-branch locking connector comprises an electrically conductive connecting body,an input locking nut and output locking nuts; the connecting body are provided with an input screw portion and a plurality of output screw portions; an input locking tube and an output locking tube are arranged on ends of the input screw portion and each output screw portion respectively; an input locking cone section and output locking cone sections are arranged in inner holes formed in outer ends of the input locking nut and the output locking nuts; U-shaped openings are formed in the input locking tube and the output locking tubes; the input locking nut and the output locking nuts are connected to the input screw portion and the output screw portions respectively; and the input locking cone section and the output locking cone sections are pressed on the input locking tube and the output locking tubes respectively. The invention can quickly and vertically connect multi-branch round wires, can reduce the contact resistance, can prevent gaps, loosening and oxidation of a joint conductor contact surface after the hot and cold cycle of the connector, and can improve the connection reliability of the joint.

The invention provides a high-capacity battery structure, and belongs to the technical field of energy storage batteries, the high-capacity battery structure comprises a plurality of high-capacity battery units connected in series, each high-capacity battery unit comprises a battery cylinder, a positive electrode cover plate arranged at an opening in one side of the battery cylinder and a negative electrode cover plate arranged at an opening in the other side of the battery cylinder, the positive electrode cover plate is a positive electrode column, and the negative electrode cover plate is a negative electrode column. The positive electrode cover plate is a positive electrode column, the negative electrode cover plate is a negative electrode column, a positive electrode connecting strip is arranged on one side, far away from the inner cavity of the battery barrel, of the positive electrode cover plate, and a negative electrode connecting strip is arranged on one side, far away from the inner cavity of the battery barrel, of the negative electrode cover plate. And the positive electrode connecting strips corresponding to the positive electrode cover plates and the negative electrode connecting strips corresponding to the negative electrode cover plates of two adjacent battery cylinders are electrically connected. The positive pole and the positive cover plate are integrated, and the negative pole and the negative cover plate are integrated, so that the positive pole and the negative pole are omitted, materials are saved, and the cost is reduced.

The invention discloses a shaft connection structure. The shaft connection structure comprises a connecting shaft, wherein the connecting shaft is hollow, and two ends of the connecting shaft are in communication; the input end of the connecting shaft is detachably and fixedly connected with a turbine disk of a turbine component through a fixed connecting piece, so that relative motion between theconnecting shaft and the turbine disk is avoided; a limiting step which is protruded facing the center of a shaft hole is arranged in the shaft hole of the output end of the connecting shaft; the output end of the connecting shaft is connected with a gas compressor rear shaft journal of the gas compressor component through an internal and external spline structure; an axial limiting member is fixedly mounted in the shaft hole of the gas compressor rear shaft journal, and is used for propping the limiting step to enable the connecting shaft to be in rigidity connection with the gas compressorrear shaft journal, then the power transmitted by the turbine disk to the connecting shaft is smoothly transmitted to the gas compressor rear shaft journal, and besides, the axial limiting member andthe propping limiting step are also used for preventing the connecting shaft to slide towards the turbine disk in the axial direction. According to the shaft connection structure disclosed by the invention, the power can be smoothly transmitted to the gas compressor rear shaft journal by the connecting shaft, and the power transferring quality is good.

The invention discloses a method for hoisting a low-clearance super-long reinforcement cage into a hole section by section under a high-voltage line. The method comprises the following steps of (a) cleaning a site; (b) assembling a reinforcement cage; (c) butting two sections of reinforcement cages; (d) positioning; and (e) hoisting section by section. The method for hoisting the reinforcement cage into the hole in a segmented mode is adopted, pile holes of different depths can be flexibly adapted, the enough reinforcement cage burying depth is guaranteed, the problem that construction is not allowed within the vertical distance range of 6 m of the high-voltage line is solved, the construction operation of hoisting the long reinforcement cage into the hole at the limited height is achieved, the hoisting weight of the single-section reinforcement cage is more effectively controlled, the accident of hoisting instability of the whole-section reinforcement cage is avoided, and the safety of constructors and equipment is guaranteed.

The invention discloses a manufacturing method of a printed circuit board for a signal generator, and the method comprises the following steps: manufacturing an inner-layer circuit on a core board, wherein a plurality of continuously bent U-shaped earthworm wires are inclined in the inner-layer circuit manufactured on one surface of the core board; pressing the core board and outer-layer copper foil into a production board through a prepreg; drilling holes at the positions, corresponding to the end parts of the earthworm lines, of the production board; metalizing the holes through copper deposition and full-board electroplating; and sequentially manufacturing an outer-layer circuit, manufacturing a solder mask layer, and carrying out surface treatment and forming on the production board toobtain the printed circuit board. The printed circuit board manufactured by the method provided by the invention can effectively reduce the loss of line signals and ensure the transmitting and receiving conversion efficiency of an antenna.

The invention provides an imbricated assembly and a production method of the imbricated assembly, and relates to the technical field of solar photovoltaics. The imbricated assembly comprises a cover plate, a front packaging material, a plurality of battery strings which are arranged in a tiled manner, a back packaging material and a back plate which are arranged in a laminated manner; the battery string is formed by overlapping a plurality of battery pieces; the battery piece comprises a first side line and a second side line which are oppositely distributed; the first side line is a straight line, the second side line comprises a wavy line, and the included angle between the second side line and the adjacent side line is larger than or equal to 90 degrees. In two adjacent battery pieces in the battery string, the end where the second side line of one battery piece is located is overlapped with the end where the first side line of the other battery piece is located. The edge of the overlapping area basically does not have an acute angle, and the edge of the overlapping area is not easy to have subfissure. The end where the first side line of the straight line side is located overlaps the end where the second side line of the wavy line is located, and the reliability of the assembly is improved.

The invention provides a conductive ceramic heater and an electronic atomization device. The conductive ceramic heater comprises a conductive assembly and a supporting piece, wherein the conductive assembly comprises a conductive ceramic substrate, a positive electrode and a negative electrode, and the positive electrode and the negative electrode are both connected with the conductive ceramic substrate; the supporting piece is connected with the conductive ceramic substrate, a contact area is formed at the contact position of the supporting piece and the conductive ceramic substrate, and thelength of the contact area in the extending direction parallel to the conductive ceramic substrate is larger than zero. The length of the contact area in the direction parallel to the extension direction of the conductive ceramic substrate is greater than 0, so the connection contact area of the support piece and the conductive ceramic substrate is increased in the direction parallel to the conductive ceramic substrate, the mechanical strength of the conductive ceramic substrate is improved, fracture resistance of the conductive ceramic substrate is improved, and the service life of the conductive ceramic substrate is prolonged; and the service life of the conductive ceramic substrate is prolonged, so the service life of the conductive ceramic heater is prolonged.

The invention provides an ultrahigh aqueduct local dismantling and rebuilding system and a construction method. An outer formwork supporting plate can move along a supporting plate sliding groove under the action of a lateral position adjusting body; an inner mold connecting plate is arranged in the middle of the aqueduct inner mold, and lateral position control pressure can be provided for the aqueduct inner mold through a wedge-shaped pressing plate; aqueduct top mold position control is conducted through the top mold position control body; the aqueduct to be cleared is hoisted and removed through a supporting hanging bracket; an aqueduct positioning device is adopted to control the position of the section aqueduct; connecting tenon ribs and post-cast connecting tenons are additionally arranged at the connecting parts of the connecting cross beams and the segment aqueducts; overhanging drainage pipes and permeable filling bodies are laid in the rear drainage grooves, and connecting anchor bars, joint grouting bodies and joint waterproof strips are arranged at the joints of the segment aqueducts and the reserved aqueducts; a joint sealing body, a tongue-and-groove tenon, a tongue-and-groove groove and a connecting anchor bar are arranged at the joint of the segment aqueduct, and fastening tension can be applied to the segment aqueduct through a pre-stressed anchor bolt. The construction efficiency can be improved, the aqueduct rebuilding construction quality is improved, and the traffic influence is reduced.