56results about How to "Improve insertion force" patented technology

A catheter movement control device is provided which allows forward, extending movement of the catheter tube contained within a flexible package to the exterior thereof as required during insertion. The method of use includes moving the catheter tube through the control device to exit the catheter package where it is inserted into the urethra. If resistance is encountered during insertion a stop member firmly engages the catheter tube to prevent rearward movement of the catheter tube under normal urging.

The invention discloses a connector plug, a connector socket and a connector combination of the connector plug and the connector socket. The plug and the socket respectively comprise an insulating body, two rows of contact terminals, two baffles and a shielding shell. The plug is internally provided with the upper baffle and the lower baffle for the contact terminals, and the socket is internally provided with the upper baffle and the lower baffle for the contact terminals, the baffles of the contact terminals are conducted with the corresponding shielding shells in a contact mode so as to improve the shielding effect and to ensure that contact transmission is stable. The socket baffles are provided with contact elastic sheets, when the plug and the socket are combined, the contact elastic sheets make elastic contact with the socket baffles to form a shielding protection loop, the signal interference between the different rows of contact terminals is further avoided, and the plugging force of the connector combination can be enhanced. The connector plug and the connector socket are internally and respectively provided with hook plates and partition plates to separate the two rows of contact terminals, the hook plates and the partition plates are conducted with the corresponding shielding shells in a contact mode, inverted hook parts of hooks are buckled in the concave parts of the partition plates, and the inverted hook parts are conducted with the concave parts of the partition plates in a contact mode.

A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.

The invention relates to a crown spring cage tyep pin and jack component and a jack thereof. the crown spring cage tyep jack comprises an inner sleeve, wherein an outer sleeve is sleeved outside the inner sleeve, a crown spring penetrates through the inner bore of the inner sleeve; two parallel elastic clamping strips are symmetrically arranged on the port part of the inner bore of the outer sleeve; and the distance between the two elastic clamping strips is less than the minimum internal diameter of the crown spring. The crown spring cage tyep pin and jack component comprises a pin and a jack, wherein the jack contains the inner sleeve; the outer sleeve is sleeved outside the inner sleeve, the crown spring penetrates through the inner bore of the inner sleeve; the two parallel elastic clamping strips are symmetrically arranged on the port part of the inner bore of the outer sleeve, the distance between the two elastic clamping strips is less than the internal diameter of the crown spring; and the pin contains a needle-like connection-peg, and the circumference surface of the needle-like connection-peg is provided with a clamping structure which fits with the two elastic clamping strips in a clamping manner. The elastic clamping strips are arranged on the port part of the jack; and during plugging, the clamping structure on the pin fits with the elastic clamping strips in the clamping manner, thus the reliable plugging of the pin and the jack can be realized and the pin is difficult to separate from the jack.

The invention discloses a fool-proof electric connector, which comprises an insulating body, a shielding shell and a plurality of conductive terminals, wherein the conductive terminals are accommodated in the insulating body; the shielding shell covers the insulating body to form an insertion port; an avoidance notch is formed on the shielding shell; a fool-proof elastic piece is arranged in the avoidance notch; the avoidance notch comprises a first hollow-out cavity which is vertically formed and a second hollow-out cavity which is transversely formed; the first hollow-out cavity is communicated with the second hollow-out cavity; the fool-proof elastic piece comprises an elastic arm, a guide arm and a fool-proof arm; the elastic arm is formed by forward and inclined extension from the inner part of the rear end of the first hollow-out cavity along integrated vertical direction; the guide arm is formed by extension from a free tail end of the elastic arm, bending and protrusion; the fool-proof arm is formed by transverse extension from the side wall face of the elastic arm; the elastic arm and the guide arm are suspended in the first hollow-out cavity; a guide face of the guide arm extends into the insertion port; the fool-proof arm is suspended in the second hollow-out cavity; and a pressing part of the fool-proof arm extends into the insertion port.

A headrest is mounted to a seat back by inserting a support into a support hole of a holder and inserting a stay of the headrest into to stay hole of the support inserted into the support hole of the holder. A gap occupying part provided in the support moves between an advanced position at which the gap occupying part protrudes from an outer wall of the support and is capable of touching an inner surface of the support hole, and a retracted position at which the gap occupying part is retracted to an inner side of the stay hole from the advanced position. The gap occupying part moves toward the retracted position from the advanced position when the support is inserted into the support hole, and moves toward the advanced position when the stay is inserted into the stay hole.

Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first section of the elastomeric member in an axial and radial direction.

The present invention provides metallic materials for electronic components, having low degree of whisker formation, low adhesive wear property and high durability, and connector terminals, connectors and electronic components using such metallic materials. The metallic material for electronic components includes: a base material; a lower layer formed on the base material, the lower layer being constituted with one or two or more selected from a constituent element group A, namely, the group consisting of Ni, Cr, Mn, Fe, Co and Cu; an intermediate layer formed on the lower layer, the intermediate layer including an alloy constituted with one or two or more selected from a constituent element group B, namely, the group consisting of Ag, Au, Pt, Pd, Ru, Rh, Os and Ir, and one or two selected from a constituent element group C, namely, the group consisting of Sn and In; and an upper layer formed on the intermediate layer, the upper layer being constituted with one or two selected from a constituent element group C, namely, the group consisting of Sn and In; wherein the thickness of the lower layer is 0.05 μm or more and less than 5.00 μm; the thickness of the intermediate layer is 0.02 μm or more and less than 0.80 μm; and the thickness of the upper layer is 0.005 μm or more and less than 0.30 μm.

The invention discloses a socket connector, a plug connector and a combination structure thereof. The socket connector includes a first insulating body, a first shielding sheet, two rows of first contact terminals and a first shielding casing. The plug connector includes a second insulating body, a second shielding sheet, two rows of second contact terminals, at least one contact spring sheet and a second shielding casing. Through arrangement of the contact spring sheets in the plug connector, contact faces of the first shielding sheet are cooperated to expose side faces of a first clapper and during mutual-insert combination, the front ends of the contact spring sheets elastically abut against the contact faces so that a grounding circuit is formed through the contact connection and thus electromagnetic interferences, between the upper and lower rows of the contact terminals, caused when high-frequency signals are transmitted can be well shielded and the stability of transmission of the high-frequency signals is ensured better; and at the same time, the plug-in and plug-out forces of the connectors can be strengthened effectively and because the contact spring sheets and the contact faces are all made of metal materials, a demand of long plug-in and plug-out service lives of the connectors is met and the service life of the product is longer. The socket connector, the plug connector and the combination structure thereof are also capable of satisfying positive and reverse plug-in and plug-out.

A conduit coupling system, sealing device, bell and method of use are disclosed herein. The system comprises at least two piping components, and a sealing device. A first component has a bell and a second component has a spigot, the spigot is adapted to mate with the bell. The bell comprises a first end and a second end, the first end coupled to the first component. The bell has a concave annular inner surface and a diameter of the annular inner surface adjacent to the first end of the bell is greater than a diameter of the annular inner surface adjacent to the second end of the bell. The sealing device comprises a locking segment comprising a convex outer surface and a K-type gasket coupled to a locking segment or a non-restraining anti-extrusion segment. The sealing device is adapted to fit between the bell and the spigot.

The invention discloses a heat treatment process for a jack of an electric connector, which comprises the following steps that: a special opening-shrinking tool is adopted to carry out hole-shrinking on the jack; after the furnace temperature for heat treating reaches 290+/-10 DEG C, the opening-shrinking tool and the embedded jack are fed into a furnace to be subjected to heat treatment; after the furnace temperature rises to 290+/-10 DEG C again, timing is started; and heat preservation is carried out at the furnace temperature of 290+/-10 DEG C for 3 hours, and then discharging and air cooling are carried out. According to the invention, the opening-shrinking effect of the opening part of the jack is favorable without a clearance, the jack is stressed evenly, the insertion and extraction force of the jack is no less than 2.45N, the connecting requirement of the electric connector is met, the connection is firm, the time is saved, the efficiency is high, and the signal is stable.

The invention relates to a cylindrical surface contact connection assembly, which includes a terminal, a deformation arm and a plurality of arc-shaped contact pieces; the terminal is a cylindrical structure; the top of the arc-shaped contact piece is a free end, and the center forms a cylindrical shape The cavity; the bottom of the arc-shaped contact piece is connected to the terminal through the deformation arm as an integral structure; the outer side of the arc-shaped contact piece is provided with a spring. The present invention newly adds the extended part of the cylindrical socket as the deformation part, and arranges a coil spring or a spring leaf at the front end of the deformation part, so that the inner diameter of the front end of the deformation part is smaller than the cylindrical plug, so that the insertion part of the cylindrical plug fully contacts.

The invention discloses an ultra-thin vertical double-layer USB connector, comprising: an insulating body, having an intermediate partition, a first clapper and a second clapper; a first terminal group, inserted on the insulating body; a second terminal group, inserted on the insulating body; a metal casing, sleeved on the outer periphery of the insulating body; and a metal jacket, sleeved on theintermediate partition and fixedly connected with the metal casing, wherein a first insertion groove is formed between one side of the metal jacket and the metal casing and the first clapper, a firstelastic pressing arm is formed on one side of the metal jacket, and the first elastic pressing arm is disposed in the first insertion groove; a second insertion groove is formed between the other sideof the metal jacket and the metal casing and the second clapper, a second elastic pressing arm is formed on the other side of the metal jacket, and the second elastic pressing arm is disposed in thesecond insertion groove; and a third pressing arm formed by the metal casing is placed in the first insertion groove and/or the second insertion groove. The invention has few parts, simple structure,convenient assembly and low cost.

The invention discloses a power socket connector. The power socket connector comprises: an insulation body; a shielding housing, which coats an outer surface of the insulation body; and a terminal set, which is installed in the insulation body. The terminal set includes a central contact terminal and conductive terminals, which are at two sides of the central contact terminal; a vertical type elastic contact part and a horizontal type elastic part are arranged on the same conductive terminal; and the vertical type elastic contact parts and the horizontal type elastic parts are respectively connected to an L-shaped holding portion through a vertical connection portion and a horizontal connection portion. Therefore, when a butted power plug is inserted into the power socket connector, the vertical type elastic contact parts and the horizontal type elastic parts simultaneously make contacts with the butted power plug, so that an area for passing of a high current is enlarged and stability of current conduction is improved; besides, an occurrence of burning out of the connector due to high temperature can be avoided, wherein the high temperature is caused by insufficient of contact points during current flowing; and thus the product security during high currents can be ensured, hidden troubles are eliminated, and operating life of the connector is also extended.

A plug-in connector Including rubber core and terminals, the rubber core is provided with a PIN hole through which the rubber core is penetrated, the terminal is located in the PIN hole and matched with the PIN hole, The rear end of the terminal is fixedly connected with a pin tail, the rear end of the PIN hole is inserted with a rear plug which is matched with the pin tail, a passage through which the pin tail passes is arranged on the rear plug, a hot melt column is fixedly arranged on the rear end of the PIN hole, and a hot melt hole which is matched with the hot melt column is arranged onthe rear plug. The invention has the beneficial effects of realizing the high-reliability connection between modules, and improving the insertion and extraction force and insertion and extraction lifeof the contact elastic piece and the corresponding insertion pin.

The invention relates to the technical field of inductors, in particular to a plastic skeleton structure with pins for inductive coils. Through the vertical exhaust groove arranged at the lower end ofthe pin, As that pin is insert, no positive pressure is formed in the air in the pin hole, As that gas in the pinhole enter with the pin, Gas escapes from the vertical exhaust slot, there is no positive pressure gas in the hole, so that that insertion and extraction force is increase, At that same time, the high-temperature gas doe not run out along the vertical exhaust slot when soldering the tin instantaneously, avoiding the risk of pins being pushed out, through the heat dissipation groove and the heat dissipation hole, and the heat dissipation hole is communicated with the heat dissipation groove, As that coil is wound around the core, A heat dissipation hole (a) is arranged so as to better dissipate heat for the coil in operation. A partition plate is sleeved on the core, and a clipblock on the partition plate is stuck in the heat dissipation groove, so that the partition plate can be moved around the core again to meet different use requirements.

The invention relates to a method for locating a connecting terminal by using a repeat buried injection technology. The method is used for generating a signal connector and comprises the following steps that multiple first connecting terminals are located in a first mould, a first sizing material is injected to enable the first sizing material to form a first seat body after solidification, and the first seat body is formed on the first connecting terminals; then, the first seat body is located on a second mould, multiple second connecting terminals are located to one side of the first seat body; a second sizing material is injected in the second mould to enable the second sizing material to form a second seat body after solidification, the second seat body and the first seat body are combined in a seamless mode and are formed on the second connecting terminals, and then the signal connector is formed through the combination. In this way, through the buried injection technology, the locating strength of the connecting terminals can be improved effectively, and the production qualified rate and the product efficiency of the signal connector can be improved.

The invention provides an electric transmission device of a split helicopter tail inclined beam pin locking mechanism and a pin locking mode. Firstly, the rotating speed of a motor is lowered througha gear transmission pair to achieve the purposes of reducing the speed and increasing the torque; and finally, the torque is converted to the linear thrust of a pin locking nut through a ball screw pair to realize quick locking and unlocking of a tail inclined beam. meanwhile, the use and the maintenance of the device are considered; and under the condition of failures, the manual locking and unlocking can be realized. The pin locking device adopts upper and lower sets of split pin locking devices; and each motor drives one locking pin, so that each locking pin can be singly acted to reduce the task risk. The vibration of the tail inclined beam of a helicopter can be effectively reduced in flight, so that the abnormal actions of the tail inclined beam due to vibration are prevented, the guarantee time before and after flight is shortened, and the unfolding and folding reliability of the tail inclined beam of the helicopter is improved.

The invention discloses a reed-type radio frequency coaxial connector, comprising a shell body and an inner conductor arranged in the shell body; a connecting device is arranged in the inner conductor, and the connecting device is a reed structure; the reed structure comprises two mutually matched spring pieces and rod bodies, the spring pieces are connected at the front ends of the rods; two mutually matched spring pieces are formed to be a pluggable zone. The pluggable zone formed by the two mutually matched spring pieces is matched with the shape of a contact pin. Two mutually matched spring pieces are formed to be a plug hole which is small in the aperture of the front end and is large in the aperture of the middle part. The contact pin of the reed-type radio frequency coaxial connector is wide in scale, long in service life and low in cost.