38 results about "Needle adapter" patented technology

The utility model relates to a chip test seat with high adaptability, which comprises a lower closing cover and a needle seat, a test area is arranged in the needle seat, a plurality of test holes are arranged between the test area and the lower closing cover in a penetrating manner, test needles are inserted in the test holes, an upper closing cover is arranged above the needle seat, clamping grooves are arranged on the left side and the right side of the upper closing cover in a sunken manner, and clamping rods are arranged in the clamping grooves. A screw hole is formed in the upper closing cover in a penetrating mode, and a torsion piece is installed in the screw hole in a screwed connection mode. A square groove is formed in the bottom of the upper closing cover. According to the utility model, a large number of test holes are arranged and are distributed all over the test area, so that a tester can prepare the number of test pins according to the number of chip pins in different layouts, and then insert the test pins into the corresponding test holes according to the positions of the chip pins, thereby realizing the adaptation of various chips, and improving the test efficiency. The universality of the testing seat is greatly improved, the requirement for replacing the testing seat is lowered, and the testing efficiency can be effectively improved on the basis of accurate testing.

The utility model relates to an anti-collision and compression-resistant transformer framework which comprises a winding reel body, side baffles, a needle seat and pins, side protection plates are arranged on the outer sides of the two side baffles, end protection plates are connected to the upper ends of the two side protection plates and located above the winding reel body, an upper baffle and a lower baffle are arranged on the outer sides of the side protection plates in an up-down spaced mode, and the needle seat is connected with the needle seat. A first mounting groove is formed between the upper baffle and the lower baffle, a magnetic core hole is formed in the first mounting groove, and second mounting grooves communicated with the first mounting groove are formed in the left side and the right side of the side protection plate; the coil on the transformer framework can be effectively protected, the possibility that the coil is damaged when the transformer is violently collided is reduced, and meanwhile the use safety is improved; besides, the magnetic core is mounted in the first mounting groove and the second mounting groove, so that the side protection plate can be fixed, the deformer framework, the side protection plate and the magnetic core are fixedly connected, and the stability during use is improved.

The utility model discloses an on-line sampling device which comprises a sampling bottle, a needle valve, a lifting mechanism and a bottle positioning mechanism, the bottle opening of the sampling bottle is provided with a bottle cap with a rubber film, the needle valve comprises a valve body, a needle type adapter and a sampling needle, the valve body is arranged on a conveying pipeline, and the sampling needle is arranged at a sampling opening of the valve body through the needle type adapter; the lifting mechanism is arranged right below the sampling needle and comprises a lifting table and a driving part which is arranged below the lifting table and is used for driving the lifting table to do lifting motion; the bottle positioning mechanism is arranged on the lifting mechanism and comprises a bracket arranged on the lifting table and a profiling cover arranged over the bracket and matched with the upper portion of the sampling bottle, and the profiling cover is movably connected with the bracket through a hasp piece to form a cavity used for fixing the sampling bottle. The bottle positioning mechanism is arranged on the lifting mechanism, so that self-feeding and self-discharging of the sampling bottle are achieved, non-contact automatic sampling is completed, leakage of dangerous chemicals is reduced, damage to operators is reduced, and sampling is convenient, rapid, safe and reliable.

The utility model provides a kind of probe processing equipment, the probe processing equipment includes a needle holder, a push element and a stop element, the push element and the stop element are located at different heights.The needle holder has an opening, which is configured to secure a probe therein.The push element is disposed on a first bracket positioned on one side of the needle holder, and the stop element is disposed on a second bracket positioned on the other side of the needle holder.During the processing, one end of the push element contacts the probe and applies pressure, thereby causing the probe to bend towards the stop element.

The utility model belongs to the technical field of controller test tools, and particularly relates to an STU controller test tool, which comprises a main body mechanism, a tool tray and an upper needle plate test mechanism, the main body mechanism is composed of a pressing handle, a fixed handle bottom plate, a reinforcing plate, a supporting aluminum profile, a tray sliding way and a tray. The tool tray is composed of a bottom plate, a positioning column and a tray handle. The upper needle plate testing mechanism is composed of a guide flange, an upper moving plate, a connecting piece, a junction box, a BNC adapter and an upper needle plate, the tray slide way is a key for facilitating secondary positioning and guide flange replacement of a tray and judging whether a needle of the upper needle plate can correctly prick a TP point or not, the junction box is transferred through an ingun needle and then connected to the BNC adapter, and the upper moving plate is connected with the upper moving plate through a connecting piece. The test fixture is a test fixture for the directional controller, and the whole fixture is simple, convenient to operate and convenient to take and place products.

The utility model relates to an audio conversion testing device for a vehicle-mounted entertainment information system, which comprises a circuit board, a straight pin seat, an audio single-ended signal interface and an audio power amplification chip are mounted on the circuit board, and the straight pin seat is electrically connected with a UVP pin, a VDD pin, a GND pin and a VSS pin of the audio power amplification chip through a power supply circuit. The straight needle seat is connected with a + INR pin and a-INR pin of the audio power amplification chip through the right audio differential input circuit, the straight needle seat is connected with a + INL pin and a-INL pin of the audio power amplification chip through the left audio differential input circuit, and the audio single-ended signal interface is connected with an OUTR pin and an OUTL pin of the audio power amplification chip. The right audio differential input circuit and the left audio differential input circuit import differential audio signals into the audio power amplification chip, the differential audio signals are processed into single-end signals, the audio single-end signal interface is connected with an audio interface of a computer through an audio data line, and the processed single-end signals are reported to the computer to be tested.

The present invention relates to a needle base connector, specifically to a high-density needle base connector for a PCB general testing machine and its manufacturing process. The connector includes: an insert component and an overall encapsulation component; the insert encapsulates the circular terminal group; among them, the A circular terminal group and the B circular terminal group are arranged side by side in an alternating manner; the bending directions of the upper bending and the lower bending are opposite. The bending directions of the upper bends of the A circular terminal group and the B circular terminal group are opposite, the bending directions of the lower bends of the A circular terminal group and the B circular terminal group are opposite, and the terminal tails of the A insert component and the B insert component are stacked in a uniformly concave-convex and alternating manner, showing a complementary and meshing state. The beneficial effects are: high overall dimensional accuracy, high form and position accuracy, high position accuracy, meeting the requirements of stability and durability, and being able to reduce costs.

1. Name of the designed product: needle holder (NN). 2. Use of the designed product: used for installing puncture needle tube. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view 1.

Method for testing a printed circuit board populated with components using a needle adapter whose needles are connected to signal electronics, wherein in a first process step, sample signal waveforms, in particular target signal waveforms, or sample frequency spectra are determined, wherein in a second process step arranged temporally after the first process step, the needles electrically contact the first contact points of the circuit board, wherein a high-frequency signal is coupled into the contact point of the circuit board contacted by the first needle of the needle adapter. - whereby the resulting signal profiles on the other needles of the needle adapter are compared with sample signal profiles and monitored for exceeding a permissible level of deviation. - or where the frequency spectra of signal waveforms produced at the other needles of the needle adapter are compared with sample frequency spectra and monitored for exceeding a permissible level of deviation.

The utility model relates to the technical field of needle seat, concretely is a kind of sinking plate type needle seat, the utility model discloses pedestal, the pedestal is recessed and is connected in PCB board, and installation port is set up on PCB board, and needle pin is connected and installed in the back of pedestal, and pedestal bottom is inserted in installation port, and welding assembly is connected and installed in the both sides of pedestal, the bottom plate component is connected and installed in the bottom of pedestal, and the bottom plate component one end is in contact with the lower end of PCB board, and needle pin one end is in contact with the upper end of PCB board;By recessing and being connected in the installation port of PCB board of pedestal, make needle seat whole embed in PCB board, form sinking plate type structure, reduce the height of protrusion, be applicable to ultrathin electronic equipment.

1. Name of the product in this design: Injection needle hub. 2. Purpose of this design: a needle hub for connecting an explosion-proof needle to a syringe (or other suction device with a Luer interface) containing a Luer interface. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a testing device for testing a core board. The testing device comprises a testing host; a test base plate; a support plate; a rotating mechanism; a lifting rod; the needle seat is arranged on the test bottom plate, the needle seat is provided with a placing cavity, and the edge of the placing cavity is provided with a plurality of thimbles electrically connected with the test bottom plate; the first sliding rod is arranged on the top surface of the test host; the second sliding rod is arranged on the top surface of the test host; one end of the lifting plate is connected with the bottom end of the lifting rod; the connecting rods are arranged on the bottom surface of one end of the lifting plate at intervals; the pressing plate is connected with the bottom ends of the plurality of connecting rods and is used for extruding the to-be-tested core plate on the placing cavity of the needle seat; and a hollow hole for exposing the top surface of the to-be-tested core board on the placing cavity of the needle seat is formed in the pressing plate. Through the above mode, the top surface of the to-be-tested core board can be exposed through the hollow hole when the pressing plate presses the to-be-tested core board, so that maintenance personnel can measure voltage / current signals conveniently.

(Main claim): Device for diagnosing, analyzing, optimizing and stress testing electronic assemblies, comprising: 1.1 one or more near-field probes and / or 1.2 one or more sensors for current or voltage monitoring, including Hall effect sensors, and / or 1.3 one or more sensors for temperature or heat measurement, and / or 1.4 one or more needle adapters or pogo pin contacts, and / or 1.5 mechanical and / or acoustic sensors, including strain gauges or acoustic emission sensors, and / or 1.6 Humidity or optical sensors, and / or 1.7 Integration into climate chambers or vibration test benches, and / or 1.8 a shield or defined electromagnetic environment, e.g. in an absorber chamber or GTEM cell, wherein the selection, combination and sequence of the components depends on the complexity of the assembly and the desired test depth, 1.9 a data acquisition unit that simultaneously or sequentially acquires and stores the selected sensor signals, whereby different measurement systems can be used individually or in combination, as well as 1.10 an evaluation unit that compares the collected data with stored reference patterns or enables manual analysis.

The application discloses a circuit board test side pressing tool, and relates to the field of circuit board testing, which comprises a bottom plate, a top surface testing mechanism for testing the top surface of a circuit board and a side surface testing mechanism for testing the side surface of the circuit board are arranged on one side of the surface of the bottom plate, the top surface testing mechanism comprises a pressing plate hinged on one side of the surface of the bottom plate, a plurality of probes one for transmitting electric signals to the top surface of the circuit board are arranged on the side of the pressing plate close to the surface of the bottom plate, the side surface testing mechanism comprises a driving frame slidingly arranged on one side of the surface of the bottom plate, a needle holder is fixedly arranged on the end of the driving frame away from the bottom plate, and a plurality of probes two for transmitting electric signals to the side surface of the circuit board are arranged on one side of the surface of the needle holder, when the side surface testing mechanism moves horizontally, the circuit board is lifted by the lifting assembly synchronously, the top surface testing mechanism and the side surface testing mechanism can test the top surface and the side surface of the circuit board at the same time, and the problem that the top surface probes need to be pressed and the side probes need to be manually moved for positioning twice is avoided.

The utility model relates to the technical field of electronic connectors, in particular to a quick-plugging high-speed electronic connector, which comprises a needle seat and a connecting plate, the connecting plate is fixedly inserted into the needle seat, two sides of the needle seat are provided with butt joint grooves, side columns are fixed on the outer sides of the butt joint grooves on two sides, arc-shaped grooves are arranged on the inner sides of the side columns, and the arc-shaped grooves are connected with the needle seat. A bottom plate is fixed to the bottom of the side column, a groove body is formed between the bottom plate and the side column, an inner groove is formed in the middle of the bottom plate, a limiting assembly is fixed in the needle base, the limiting assembly comprises a rod body and V-shaped rods fixed to the two sides of the rod body, butt joint blocks are fixed to the two sides of a connecting plate, and the clamping and fixing function is achieved; and magnetic materials are arranged in the inserting columns and the arc-shaped grooves, so that when the inserting columns and the arc-shaped grooves are aligned, auxiliary magnetic attraction can be carried out, the rapid fixing effect is achieved, compared with an existing structure, the device improves the stability after inserting, meanwhile, through a magnetic attraction preset adsorption fixing mode, the inserting time is shortened, and the accuracy is improved.

This invention relates to an industrial robot, specifically a multi-station needle-feeding machine. It includes a needle-feeding assembly, which comprises a third mover slidably mounted on one side of a second linear track. Multiple sliders are slidably mounted on the side of the third mover away from the second linear track. Each slider has an electric push rod on its upper side for controlling its up-and-down movement, and a control button corresponding to its position on its lower side. This invention uses electric push rods to drive the sliders downwards, causing an intelligent clamping block to move closer to the needle holder. When the intelligent clamping block slides to the needle-feeding station, the slider contacts and triggers the control button, causing the control chip inside the intelligent clamping block to release its grip on the needle and complete the needle-feeding process. This synchronizes the positioning and needle-feeding processes, preventing the independent operation of each mechanism during the needle-feeding process from causing gradual error accumulation and improving the centering accuracy of the device.

A wafer test micro needle table and wafer test equipment relate to the technical field of wafer test, and comprise a needle table body, the needle table body comprises a base, a platform and a cylinder so as to form an accommodating space with a first opening at the front end, a horizontal displacement adjusting assembly, a horizontal angle adjusting assembly, a vertical displacement adjusting assembly, a heating assembly and a telescopic storage assembly which are sequentially stacked on the base from bottom to top in the vertical direction are arranged in the containing space, and the telescopic storage assembly is used for bearing a wafer to be tested; the platform is provided with at least one second opening and at least one needle base, the position of the second opening corresponds to the position of the telescopic storage assembly, and a probe of the needle base penetrates through the second opening and is arranged towards the side close to the telescopic storage assembly. According to the wafer test micro needle table, the functional components are sequentially stacked on the base from bottom to top, and the second opening corresponding to the position of the telescopic storage component is formed in the platform, so that the compact design of the needle table structure is realized.

The utility model discloses a knob type core board testing device. The knob type core board testing device comprises a testing host; the test bottom plate is arranged on the test host; the needle seat is arranged on the test bottom plate and is provided with a placement cavity for accommodating a core board to be tested, and the edge of the placement cavity is provided with a plurality of thimbles; the mounting block is arranged on the needle seat, and a first opening is formed in the mounting block; the gland is arranged on the mounting block and used for covering the placement cavity, one side end of the gland is rotationally connected with one side end of the mounting block, and the other side end of the gland is detachably connected with the other side end of the mounting block; the extrusion part is used for extruding the to-be-tested core board placed in the placement cavity; and the knob structure is rotatably arranged on the gland in a liftable manner and is used for driving the extrusion piece to stretch. According to the mode, the cover plate covers the needle seat, the dustproof and waterproof effects can be achieved, the maintenance cost is effectively reduced, the core board to be tested can be extruded through the extrusion piece on the cover plate, the pressure is uniform, and the test effect is better.

The present invention relates to the technical field of pipette pumps, and discloses a pipette pump with an automatic needle removal function, comprising a pipette pump module, a pump drive motor, and a sample needle adapter. The pipette pump module is provided with a pump body, the pump body is provided with a first slide groove, the output shaft of the pump drive motor is provided with a guide sleeve, and a boss is provided above the guide sleeve. When the pump drive motor is working, the boss slides in the first slide groove, and the boss is higher than the outer surface of the pump body. The pipette module is provided with a push rod, the axis of the push rod is parallel to the axis of the pump drive motor, the push rod is located below the boss, the upper end of the push rod is provided with a limit block, and the lower end of the push rod passes through the pipette pump module. The sample needle adapter is provided with a syringe for removing the needle, and the upper part of the syringe for removing the needle is connected to the lower end of the push rod. The purpose of the present invention is to provide a pipette pump with an automatic needle removal function, which is used to complete the automatic needle removal action without adding an additional drive module and installation space.

The utility model relates to the technical field of motors, in particular to a chip built-in type wire protection box and a stepping motor thereof, which comprise a chip, a wire protection box body fixed on a framework assembly and internally provided with an accommodating cavity, and a circuit board positioned in the accommodating cavity and integrated with the chip, a needle seat is formed on one side of the framework assembly, a contact pin is inserted into the needle seat, one end of the contact pin is connected with the circuit board, the other end of the contact pin is connected with a coil wound on the framework assembly, a lead is led out of the circuit board, and the lead extends out of the containing cavity; according to the utility model, the chip is integrated on the circuit board, the circuit board is installed in the wire protection box, the contact pin is electrically connected with the coil, a signal is led out through the lead, the chip adopts a built-in structure and is arranged in the wire protection box, and the protection box does not need to be independently adopted for installation, so that the installation space is saved, and the requirement of miniaturization of the motor is met.

The utility model relates to a press -fitting mechanism, concretely relates to a press -fitting mechanism of network transformer needle seat. The press -fitting mechanism is constituted by chuck, centralizer and die holder, and the symmetric setting has centralizer on the chuck, and the die holder is arranged under the chuck, the centralizer is constituted by assembling block, sliding block and centralizing plate, and the centralizing plate is provided with inner layer centralizing groove and outer layer centralizing groove. The press -fitting mechanism can right the pin foot through the centralizing plate, thereby can guarantee that the pin foot can accurately aim at the pinhole, makes the upper needle seat can normally press -fit with the lower needle seat, and because righting and limiting the pin foot simultaneously through the centralizing plate, can effectively improve the alignment efficiency of the pin foot in the press -fitting process, and then effectively improve the press -fitting efficiency, satisfy the enterprise scale production demand. Through the machine instead of manual work can effectively reduce the labor intensity, improves the visual fatigue caused by manual continuous alignment pin foot. Solve the low production efficiency of the existing press -fitting mode, and the problem that it is difficult to satisfy the enterprise scale production demand.

The invention provides a training pen for liquid medicine simulation and an assembling method of the training pen. The training pen comprises a cylinder body, a push-pull rod and sponge. The first end of the cylinder body is provided with a needle adapter hole, and the second end of the cylinder body is provided with a matching opening into which the push-pull rod extends; the push-pull rod comprises a push-pull part and a stretching part which are connected with each other; the sponge is arranged in the cylinder body, one end of the sponge is connected with the first end, and the other end of the sponge is connected with the extending part; and when the push-pull rod is pushed to extend into the preset depth of the cylinder body, the sponge is pressed into the accommodating groove of the extending part. The technical problems that in the medical teaching process, a human body simulation model is usually used for operation practice, specifically, during injection, liquid medicine is injected into the human body simulation model, after long-term injection, the human body model is prone to decay and damage, meanwhile, after liquid medicine in a needle cylinder is injected, suction needs to be conducted again, and operation is inconvenient are solved. Therefore, the liquid medicine and the time of an operator are wasted, and the efficiency of medical teaching is reduced.

The utility model discloses a wireless case capable of installing a fan without screws, which is characterized in that a first jack and a second jack are arranged on a case body, and a first insertion part and a second insertion part which are respectively used for being matched with the first jack and the second jack in an insertion manner are arranged on the outer wall of the fan; the second inserting part can be elastically propped against the hole wall of the second inserting hole after being inserted into the second inserting hole, and the hook part arranged at the free end of the second inserting part is used for limiting the second inserting part to be separated from the second inserting hole, so that the fan is detachably fixed on the box body; in addition, a pin seat electrically connected with the fan and a PIN for supplying power through a case power source are arranged in the fan and the case body respectively, and after the fan is fixed to the case body, the PIN is electrically connected with the pin seat in an inserted mode, so that electric communication between the fan and the case power source is achieved. Installation and disassembly are very convenient, wire-free electric connection is achieved through electric plugging of the pin seats and the PINs, and the cleanliness degree of the interior of the case is effectively improved.

1. The name of the design product: wireless remote control integrated needle holder. 2. The use of the design product: components for wireless remote control. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The utility model discloses a pin assembly with an elastic contact structure and an electronic component, comprising a pin head and a pin seat, the pin head is arranged on the pin seat through a first elastic assembly and a second elastic assembly in an elastic guiding manner; according to the utility model, the needle head is elastically arranged on the needle seat through the first elastic assembly and the second elastic assembly in a guiding manner, so that the needle head is elastically connected with the needle seat, and when the pin inserting assembly is vibrated, the needle head and the needle seat can also be elastically contacted; therefore, the stable connection between the pin assembly and the electronic equipment is improved, the phenomenon of poor contact is avoided, and the connection stability and reliability of the pin assembly are improved.

A sterile enclosure including a container and a printing needle holder device fixed to the container. The container having a base wall, a side wall, the side wall and the base wall delimiting an interior chamber, one inlet port and outlet port and an aperture. The printing needle holder device having a needle adapter, a printing needle and a flexible sheath having a first end edge fixed to the needle adapter and a second end edge fixed to the aperture of the container, a three dimensional biological structure being intended to be printed on the base wall, the interior chamber being intended to receive a cell culture media.

The invention discloses a pin type power module, which comprises a DBC (Direct Bonding Copper) board, two lead frames respectively welded on two sides of the top of the DBC board, and a plurality of signal pin seats welded on the top of the DBC board, the DBC board and the two lead frames are arranged on the two sides of the DBC board, the injection molding body wraps the periphery and the top of the DBC board and the outside of one part of the two lead frames, the two sides of the injection molding body extend upwards to form convex step parts, and the remaining parts of the two lead frames extend out of the outer sides of the two convex step parts respectively. According to the invention, the DBC board, the two lead frames and the plurality of signal pin seats are welded and assembled, and then injection molding is carried out through the injection mold, so that the injection molding body coats the periphery and the top of the DBC board and the outer part of one part of the two lead frames and does not cover the bottom of the DBC board, and the DBC board can be fully cooled, so that the use stability of the DBC board is improved, and the service life of the DBC board is prolonged. The injection molding bodies on the two sides extend upwards to form the convex step parts, the remaining parts of the two lead frames extend out of the outer sides of the convex step parts, and the structure enables the overall structure of the module to be more stable.

The invention discloses a modularized high-heat-dissipation large-current semiconductor testing device which comprises a needle base, a plurality of first circular grooves and second circular grooves are formed in the top face and the bottom of the needle base respectively, the first circular grooves correspond to the second circular grooves in position, and groove bottoms are arranged between the first circular grooves and the second circular grooves. An upper needle body is arranged in the first circular groove, a lower needle body is arranged in the second circular groove, springs are arranged between the upper needle body and the groove bottom and between the lower needle body and the groove bottom, and the upper needle body and the lower needle body make contact with the inner wall of the first circular groove and the inner wall of the second circular groove respectively. Different numbers of upper needle bodies and lower needle bodies are inserted into the needle seat, so that the number of the measuring needle bodies can be flexibly added or upgraded according to different test port requirements. The universality of the equipment is improved, and maintenance and upgrading are facilitated. In addition, the needle seat is made of the conductor, so that the upper needle body and the lower needle body can rapidly conduct heat through the needle seat in the test process, and the accuracy and the passing rate of the test are ensured.