CN114236200A

CN114236200A - Electric test needle device with adjustable position

Info

Publication number: CN114236200A
Application number: CN202111553722.6A
Authority: CN
Inventors: 虞新剑; 孙建文; 李恋
Original assignee: Yingtan Yuntan Electronic Technology Co ltd
Current assignee: Yingtan Yuntan Electronic Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-25
Anticipated expiration: 2041-12-17
Also published as: CN114236200B

Abstract

The invention relates to an electric test needle device, in particular to an electric test needle device with an adjustable position. The invention provides an electric test needle device with an adjustable position, which can replace different types of test needles. The present invention provides such a position-adjustable electric test needle device, comprising: the top of the base is provided with a shell; the movable door is arranged on the front side of the shell in a sliding mode; observe the lens, the shell top left and right sides all is provided with the observation lens that can conveniently observe the PCB board test condition. Third adjustable shelf rebound drives inserted bar rebound and loosens the test needle, and the staff takes off the test needle and changes, then the staff puts the PCB board on putting the thing board, and staff rethread promotes the second adjustable shelf horizontal slip and adjusts the position of test needle, drives test needle and PCB board contact through first adjustable shelf lapse afterwards, and then has realized testing the PCB board.

Description

Electric test needle device with adjustable position

Technical Field

The invention relates to an electric test needle device, in particular to an electric test needle device with an adjustable position.

Background

The PCB is used as the most important core component in the electronic product, and in order to ensure the connection effectiveness between the PCB and the PCB during the production process of the PCB, a test is required to be performed on part of pins of the BTB connector in the PCB to ensure that the pins can effectively transmit electrical signals.

Patent publication No. CN207051437U discloses an electric test pin device, which includes a housing, and a test mechanism; the testing mechanism comprises a micro driving motor and a testing part; the shell is sequentially provided with a first cavity and a second cavity from top to bottom, the micro-driving motor is erected in the first cavity, and the testing part is arranged in the second cavity; the drive shaft of the miniature drive motor is arranged as a lead screw of the end part erected on the side wall of the second cavity, the testing part comprises a positioning plate and a plurality of testing needles, the testing needles are in sliding fit with pinholes penetrating through the testing wall of the second cavity, the second cavity is provided with a sliding groove, two ends of the positioning plate are in sliding fit with the sliding groove, and the inner wall of the first cavity is covered with an electromagnetic shielding layer. This test needle device is when using, according to the test position, can be in advance with test needle and the integrative setting of miniature driving motor, later directly install the test needle device after the assembly, then start miniature driving motor, miniature driving motor's output shaft positive and negative rotation drives the lead screw and rotates, and the lead screw rotates and drives the locating plate and reciprocates, and the locating plate reciprocates and drives the test needle and reciprocate, and the test needle removes to suitable position, and the staff will put the whole device and take up and test the PCB board. But this test needle device can not change the test needle of different grade type, but also can not be accurate adjust the test needle according to the position that the PCB board tested to influence PCB board efficiency of software testing.

Therefore, it is necessary to provide a position-adjustable electric test pin device capable of replacing different types of test pins to solve the above problems.

Disclosure of Invention

In order to overcome the defects that the prior test needle device can not replace different types of test needles and can not accurately adjust the test needles according to the tested position of a PCB (printed circuit board), thereby influencing the test efficiency of the PCB, the invention has the technical problems that: provided is a position-adjustable electric test needle device capable of replacing different types of test needles.

The invention is realized by the following technical approaches: a position adjustable, motorized test pin apparatus, comprising: the top of the base is provided with a shell; the movable door is arranged on the front side of the shell in a sliding mode; the left side and the right side of the top of the shell are provided with observation lenses which can be used for conveniently observing the test condition of the PCB; the lower part in the shell is provided with a placing component capable of placing a PCB; the test component is arranged at the lower part in the shell and can test the PCB; the test assembly is detachably provided with a test needle; the test component is provided with a replacement component which is convenient for replacing the test needle.

As an improvement of the above, the placing assembly comprises: the lower part in the shell is symmetrically provided with first guide rods left and right; the two first guide rods are symmetrically and longitudinally arranged on the first movable plates in a sliding manner; the object placing plate capable of placing the PCB is arranged between the four first movable plates; the first spring is wound between the bottom of the first movable plate and the adjacent first guide rod; limiting plates are arranged in the middle of the two first guide rods, and the object placing plates move downwards to be in contact with the limiting plates.

As an improvement of the above, the test assembly comprises: the middle position of the top in the shell is provided with an electric push rod; the left side and the right side of the top in the shell are symmetrically provided with a second guide rod front and back; the first movable frame is arranged between the four second guide rods in a sliding manner, and the extension end of the electric push rod is connected with the top of the first movable frame; three groups of sliding groove rods are uniformly arranged between the left side and the right side of the lower part of the first movable frame at intervals, and two sliding groove rods form a group; each group of sliding groove rods is provided with a second movable frame in a sliding manner; the upper parts of the three second movable frames are provided with first sliding sleeves; the lower parts of the three second movable frames are all provided with first sliding rods in a sliding manner, the upper parts of the first sliding rods are all connected with the adjacent first sliding sleeves in a sliding manner, and the test needles can be detachably arranged at the bottom ends of the first sliding rods; the second spring is connected between the top end of the first sliding rod and the upper part of the adjacent first sliding sleeve; the top ends of the three first sliding rods are provided with top rods which are connected with the adjacent first sliding sleeves in a sliding manner; pressure sensor, the top all is provided with pressure sensor in the three second adjustable shelf, and pressure sensor passes through electric connection with electric putter, ejector pin rebound and pressure sensor contact.

As an improvement of the above, the replacement assembly comprises: the lower parts of the three first sliding rods are symmetrically provided with the second sliding rods in a left-right sliding manner; a third movable frame is arranged between the top ends of two adjacent second sliding rods; the bottom parts of the three third movable frames are symmetrically provided with the inserted rods left and right, and the inserted rods are matched with the similar test needles; and a third spring is wound between the lower part of the second sliding rod and the adjacent first sliding rod.

As the improvement of the scheme, the test device also comprises an adjusting component capable of adjusting the position of the test needle, and the adjusting component comprises: the left side and the right side of the first movable frame are respectively provided with a support frame, and three bearings are rotatably arranged on the two support frames at uniform intervals; the rotating rod is uniformly arranged between the left bearing and the right bearing, and the left end and the right end of the rotating rod are connected with the shell in a sliding manner; the knobs are arranged at the left end and the right end of each of the three rotating rods; the middle parts of the three rotating rods are provided with screw rods; the nuts are matched with the middle parts of the three screw rods, and the tops of the second movable frames close to the bottoms of the nuts are connected.

As the improvement of the scheme, the PCB fixing device further comprises a fixing component capable of clamping the PCB, and the fixing component comprises: the bottom of the object placing plate is provided with a support ring; the supporting ring is provided with a turntable with a groove in a sliding manner; the four third guide rods are uniformly arranged in the storage plate at intervals and are respectively arranged on the front side, the rear side, the left side and the right side in the storage plate; the four third guide rods are all provided with a first movable clamping plate in a sliding manner, and the first movable clamping plate can clamp the PCB; the fourth springs are wound between the back sides of the four first movable clamping plates and the inner part of the object placing plate; the bottoms of the four first movable clamping plates are respectively provided with a first contact rod, and the first contact rods are both connected with the turntable with the groove in a sliding manner; the middle position of the lower part in the shell is provided with a grooved drum; the bottom of the belt groove rotary table is provided with a belt rod rotary table which is connected with the groove barrel in a sliding manner; the left side and the right side of the lower part of the first movable frame are symmetrically provided with a second sliding sleeve in the front-back direction; the four second sliding sleeves are internally provided with a pressing rod in a sliding manner, and the pressing rods move downwards to be contacted with the object placing plate; and a fifth spring is connected between the top of the pressure lever and the inside of the adjacent second sliding sleeve.

As the improvement of above-mentioned scheme, still including the rotation stopping subassembly that can prevent the dwang and rotate, rotation stopping subassembly includes: the contact plates are symmetrically arranged at the front and the back of the left side and the right side in the shell; the fixed clamping plates are arranged on the back sides of the two support frames; the two contact plates are symmetrically and longitudinally provided with third sliding rods in a sliding manner; the second movable clamping plate is arranged between the outer ends of two adjacent third sliding rods; the sixth springs are symmetrically wound between the inner side of the second movable clamping plate and the outer side of the adjacent fixed clamping plate from front to back; the back sides of the two second movable clamping plates are symmetrically provided with a second contact rod in the front-back direction, and the second contact rods move downwards to be in contact with the contact plate; the left and right sides of the three rotating rods are provided with second movable plates in a sliding manner, and the second movable clamping plates slide inwards to be in contact with the second movable plates; and a seventh spring is wound between the inner side of the second movable plate and the outer side of the adjacent bearing.

As an improvement of the proposal, the front side of the lower part of the movable door is provided with a handle.

Compared with the prior art, the invention has the remarkable improvements that: 1. third adjustable shelf rebound drives inserted bar rebound and loosens the test needle, and the staff takes off the test needle and changes, then the staff puts the PCB board on putting the thing board, and staff rethread promotes the second adjustable shelf horizontal slip and adjusts the position of test needle, drives test needle and PCB board contact through first adjustable shelf lapse afterwards, and then has realized testing the PCB board.

2. The staff can make the lead screw just reverse rotation through corotation or reversal knob, and then has realized that the test needle removes about and adjusts the position, no longer needs the manual second adjustable shelf of stirring of manual work.

3. The object placing plate moves downwards to drive the rotary table with the belt groove to move downwards, so that the rotary table with the rod slides downwards to drive the rotary table with the belt groove to rotate in cooperation with the groove barrel, and therefore the PCB is clamped through the first movable clamping plates which slide oppositely.

4. First contact lever downstream and contact plate contact for the second activity splint move in opposite directions and promote the second fly leaf and slide in opposite directions and contact with the solid fixed splint, and then realized that the second fly leaf presss from both sides the increase frictional force between solid fixed splint and the second activity splint, prevent to rotate because of external force production at the in-process transfer pole of first adjustable shelf downstream.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

FIG. 2 is a first partial cross-sectional structural schematic of the present invention.

Fig. 3 is a schematic perspective view of a second embodiment of the present invention.

FIG. 4 is a second partial cross-sectional structural schematic of the present invention.

Fig. 5 is a third partial sectional structural schematic view of the present invention.

Fig. 6 is a schematic cross-sectional view of a placement assembly of the present invention.

FIG. 7 is a schematic cross-sectional view of a test needle assembly of the present invention.

Fig. 8 is an enlarged view of part a of the present invention.

Fig. 9 is an enlarged view of part B of the present invention.

Fig. 10 is a schematic cross-sectional view of a replacement assembly according to the present invention.

FIG. 11 is a schematic cross-sectional view of an adjustment assembly of the present invention.

Fig. 12 is an enlarged view of the portion C of the present invention.

Figure 13 is a schematic view of a first partial cross-sectional configuration of a stabilization assembly of the present invention.

Fig. 14 is an enlarged view of portion D of the present invention.

Figure 15 is a partial structural schematic view of a stabilizing assembly of the present invention.

Figure 16 is a second partial cross-sectional structural view of the stabilization assembly of the present invention.

FIG. 17 is an enlarged view of section E of the present invention.

FIG. 18 is a cross-sectional view of the anti-rotation assembly of the present invention.

Fig. 19 is an enlarged view of portion F of the present invention.

Number designation in the figures: 1: base, 2: outer shell, 3: movable door, 4: observation lens, 5: test needle, 6: placement component, 601: first guide bar, 602: first movable plate, 603: storage plate, 604: first spring, 605: limiting plate, 7: test component, 701: electric putter, 702: second guide bar, 703: first movable frame, 704: chute rod, 705: second movable frame, 706: first runner, 707: first slide bar, 708: second spring, 709: a top rod, 710: pressure sensor, 8: replacement assembly, 801: third movable frame, 802: plunger, 803: second slide bar, 804: third spring, 9: adjustment assembly, 901: support frame, 902: rotating rod, 903: knob, 904: lead screw, 905: nut, 10: stabilizing assembly, 1001: support ring, 1002: slotted turntable, 1003: third guide bar, 1004: first movable splint, 1005: fourth spring, 1006: first contact bar, 1007: grooved drum, 1008: turntable with lever, 1009: second runner, 1010: pressure lever, 1011: fifth spring, 11: rotation stop assembly, 1101: contact plate, 1102: fixation splint, 1103: third slide bar, 1104: second movable splint, 1105: sixth spring, 1106: second contact bar, 1107: second movable plate, 1108: and a seventh spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-10, an electric testing needle device with adjustable position comprises a base 1, a housing 2, a movable door 3, an observation lens 4, a testing needle 5, a placing component 6, a testing component 7 and a replacing component 8, wherein the housing 2 is arranged on the top of the base 1, the movable door 3 is movably arranged on the front side of the housing 2, the handle is arranged on the front side of the lower part of the movable door 3, the observation lenses 4 are arranged on the left side and the right side of the top of the housing 2, the observation lenses 4 are used for conveniently observing the testing condition of the PCB, lower part is provided with in shell 2 places subassembly 6, places subassembly 6 and is used for placing the PCB board, and the lower part is provided with test assembly 7 in shell 2, and test assembly 7 is used for testing the PCB board, and the detachable test needle 5 that is provided with on test assembly 7 is provided with on the test assembly 7 and changes subassembly 8, and change subassembly 8 is used for changing test needle 5.

When needs are tested the PCB board, the staff is fixed suitable test needle 5 on test assembly 7 through using change subassembly 8, then the staff promotes handle drive dodge 3 upwards and slides and open shell 2 again, the staff puts the PCB board on placing subassembly 6 afterwards, place and accomplish the back, the staff promotes test assembly 7 horizontal slip according to the position that needs the test on the PCB board, and then make test needle 5 remove from the left and right sides to suitable position, after accomplishing, the staff loosens the handle, dodge 3 and reset with shell 2 and close with the lapse of following under the effect of gravity, it drives test needle 5 downward movement and PCB board contact to move down through test assembly 7, thereby realized testing the PCB board, then the staff permeable observation lens 4 observes the condition that the PCB board tested. The device has simple structure and convenient operation.

Example 2

Referring to fig. 6, based on embodiment 1, the placing assembly 6 includes first guide rods 601, first movable plates 602, placing plates 603, first springs 604 and limiting plates 605, the first guide rods 601 are symmetrically welded at left and right sides of the inner lower portion of the housing 2, the first movable plates 602 are symmetrically arranged on the two first guide rods 601 in a front-back sliding manner, the placing plates 603 are welded between the four first movable plates 602 and used for placing a PCB, the first springs 604 are connected between the bottom of the first movable plates 602 and the adjacent first guide rods 601 in a winding manner, the limiting plates 605 are arranged at the middle portions of the two first guide rods 601, and the placing plates 603 move downward and contact with the limiting plates 605.

Referring to fig. 7-9, the testing assembly 7 includes an electric push rod 701, a second guide bar 702, a first movable frame 703, a sliding chute bar 704, a second movable frame 705, a first sliding sleeve 706, a first sliding bar 707, a second spring 708, a push rod 709, and a pressure sensor 710, the electric push rod 701 is disposed at a middle position of the top portion of the housing 2, the second guide bars 702 are symmetrically disposed at the front and back of the left and right sides of the top portion of the housing 2, the first movable frame 703 is slidably disposed between the four second guide bars 702, the extension end of the electric push rod 701 is connected to the top portion of the first movable frame 703, three sets of sliding chute bars 704 are welded at equal intervals between the left and right sides of the lower portion of the first movable frame 703, two sliding chute bars 704 form a set, a second movable frame 705 is slidably disposed on each set of sliding chute bars 704, a first sliding sleeve 706 is disposed on the upper portions of the three second movable frames 705, and a first sliding bar 707 is disposed on the lower portions of the three second movable frames, the upper portion of each first sliding rod 707 is connected with the corresponding first sliding sleeve 706 in a sliding manner, the testing needles 5 are arranged at the bottom end of each first sliding rod 707 in a detachable manner, a second spring 708 is connected between the top end of each first sliding rod 707 and the upper portion of the corresponding first sliding sleeve 706 in a similar manner, the top ends of the three first sliding rods 707 are welded with ejector rods 709, the ejector rods 709 are connected with the corresponding first sliding sleeves 706 in a sliding manner, the top portions of the three second movable frames 705 are provided with pressure sensors 710, the pressure sensors 710 are electrically connected with the electric push rod 701, and the ejector rods 709 move upwards to be in contact with the pressure sensors 710.

Referring to fig. 10, the replacing assembly 8 includes third movable frames 801, insertion rods 802, second sliding rods 803 and third springs 804, the second sliding rods 803 are symmetrically and bilaterally disposed at the lower portions of the three first sliding rods 707, the third movable frames 801 are welded between the top ends of the two adjacent second sliding rods 803, the insertion rods 802 are symmetrically disposed at the bottom portions of the three third movable frames 801, the insertion rods 802 are engaged with the adjacent test pins 5, and the third springs 804 are connected between the lower portions of the second sliding rods 803 and the adjacent first sliding rods 707 in a winding manner.

When a PCB needs to be tested, a worker pulls the third movable frame 801 to move upwards, the third movable frame 801 moves upwards to drive the insertion rod 802 to move upwards, the third movable frame 801 moves upwards to drive the second sliding rod 803 to slide upwards, the third spring 804 is compressed, the insertion rod 802 moves upwards to release the test pin 5, then the worker takes off the test pin 5 and replaces the test pin 5 with the test pin 5 used by the PCB needing to be tested, after the replacement is completed, the worker installs the test pin 5 back to the bottom of the first sliding rod 707, then the worker releases the third movable frame 801, the third spring 804 resets to drive the second sliding rod 803 to slide downwards to reset, the second sliding rod 803 slides downwards to drive the third movable frame 801 to move downwards, the third movable frame 801 moves downwards to drive the insertion rod 802 to be inserted into the test pin 5 to be fixed, after the replacement is completed, the worker pushes the handle to drive the movable door 3 to slide upwards to open the shell 2, then the worker puts the PCB on the object placing plate 603, after the placement is completed, the worker pushes the second movable frame 705 to slide left and right according to the position to be tested on the PCB, the second movable frame 705 slides left and right to drive the test needle 5 to move left and right through the first sliding rod 707, after the test needle 5 moves to a proper position, the worker releases the handle, the movable door 3 slides downward under the action of gravity to reset and close the housing 2, then the worker starts the electric push rod 701, the extension end of the electric push rod 701 extends to drive the first movable frame 703 to slide downward, the first movable frame 703 slides downward to drive the test needle 5 to move downward through the sliding chute rod 704, the second movable frame 705 and the first sliding rod 707, the first movable frame 703 slides downward to contact the object placing plate 603, the object placing plate 603 moves downward to drive the first movable plate 602 to slide downward, the first spring 604 is compressed, when the object placing plate 603 moves downwards to contact with the limiting plate 605, the object placing plate 603 does not move downwards, when the testing needle 5 moves downwards to contact with the PCB, the testing needle 5 moves upwards along with the testing needle to drive the first sliding rod 707 to slide upwards, the second spring 708 is compressed, the first sliding rod 707 slides upwards to drive the ejector rod 709 to slide upwards to contact with the pressure sensor 710, the pressure sensor 710 controls the extension end of the electric push rod 701 to stop extending under the pressure, the testing needle 5 tests the PCB, after the test is completed, the worker controls the extension end of the electric push rod 701 to shorten and reset, the extension end of the electric push rod 701 shortens to drive the first movable frame 703 to slide upwards and reset, the first movable frame 703 slides upwards to no longer contact with the object placing plate 603, the first spring 604 resets to drive the first movable plate 602 to slide upwards and reset, the first movable plate 602 slides upwards to drive the object placing plate 603 to move upwards for resetting, the first movable frame 703 slides upwards to drive the test pin 5 to move upwards to be separated from the contact with the PCB through the sliding chute rod 704, the second movable frame 705 and the first sliding rod 707, the second spring 708 resets accordingly to drive the first sliding rod 707 to slide downwards for resetting, the first sliding rod 707 slides downwards to drive the ejector rod 709 to move downwards for resetting, the first sliding rod 707 slides downwards to drive the test pin 5 to move downwards for resetting, the ejector rod 709 moves downwards to be separated from the contact with the pressure sensor 710, then the worker closes the electric push rod 701 to stop working, the worker drives the movable door 3 to slide upwards by pushing the handle again to open the shell 2, then the worker takes out the PCB after the test is finished to collect, after the test is finished, when the worker loosens the handle, the movable door 3 slides downwards along with the handle under the action of gravity to reset so as to close the shell 2. This device simple structure, third adjustable shelf 801 rebound drives inserted bar 802 rebound and loosens test needle 5, and the staff takes off test needle 5 and changes, then the staff puts the PCB board on putting thing board 603, and the staff rethread promotes second adjustable shelf 705 horizontal slip and adjusts test needle 5's position, drives test needle 5 and PCB board contact through first adjustable shelf 703 lapse afterwards, and then has realized testing the PCB board.

Example 3

Referring to fig. 1, 2, 3, 4, 11 and 12, based on embodiment 2, the testing device further includes an adjusting assembly 9, the adjusting assembly 9 is used for adjusting the position of the testing needle 5, the adjusting assembly 9 includes a support 901, a rotating rod 902, a knob 903, a screw rod 904 and a nut 905, the support 901 is disposed on the left and right sides of the first movable frame 703, three bearings are rotatably disposed on the two support 901 at even intervals, the rotating rod 902 is disposed between the left and right bearings, the left and right ends of the rotating rod 902 are slidably connected with the housing 2, the knob 903 is welded on the left and right ends of the three rotating rod 902, the screw rod 904 is disposed in the middle of the three rotating rod 902, the nut 905 is fitted in the middle of the three screw rod 904, and the bottom of the nut 905 is connected with the top of the second movable frame 705.

When the position of the test needle 5 needs to be adjusted, a worker rotates the rotating rod 902 forward and backward by the forward and backward rotation knob 903, the rotating rod 902 forward and backward rotates the screw rod 904 forward and backward, the screw rod 904 forward and backward rotates the nut 905 left and right, the nut 905 left and right moves the second movable frame 705 left and right to slide, the second movable frame 705 left and right slides the test needle 5 left and right, and when the test needle 5 moves to a proper position, the worker stops rotating the knob 903. This device simple structure, the staff can make lead screw 904 just reverse rotation through corotation or reversal knob 903, and then has realized that the test needle 5 removes about and adjusts the position, no longer needs the manual second adjustable shelf 705 of stirring of manual work.

Referring to fig. 2, 4, 13, 14, 15, 16 and 17, the PCB board fixing device further includes a fixing assembly 10, the fixing assembly 10 clamps the PCB board, the fixing assembly 10 includes a supporting ring 1001, a turntable with slot 1002, a third guide bar 1003, a first movable clamp plate 1004, a fourth spring 1005, a first contact bar 1006, a slot cylinder 1007, a turntable with bar 1008, a second sliding sleeve 1009, a pressing bar 1010 and a fifth spring 1011, the bottom of the storage board 603 is provided with the supporting ring, the supporting ring 1001 is slidably provided with the turntable with slot 1002, four third guide bars 1003 are uniformly spaced in the storage board 603, the four third guide bars are respectively disposed on the front, rear, left and right sides of the interior of the storage board 603, the four third guide bars 1003 are each slidably provided with a first movable clamp plate 1004, the first movable clamp plate 1004 is used for clamping the PCB board, the fourth spring 1005 is wound between the opposite side of the four first movable clamp plates 1004 and the interior of the storage board 603, all welded first contact lever 1006 in four first movable clamp plate 1004 bottoms, first contact lever 1006 all with grooved rotary table 1002 sliding connection, lower part intermediate position is provided with grooved drum 1007 in the shell 2, grooved rotary table 1002 bottom is provided with grooved bar carousel 1008, grooved bar carousel 1008 and grooved drum 1007 sliding connection, the symmetry is provided with second sliding sleeve 1009 around the first movable frame 703 lower part left and right sides is equal, all slidingtype is provided with depression bar 1010 in four second sliding sleeves 1009, depression bar 1010 moves down and puts the contact of thing board 603, be connected with fifth spring 1011 between depression bar 1010 top and the second sliding sleeve 1009 that is close inside.

The first movable frame 703 slides downwards to drive the pressing rod 1010 to move downwards through the second sliding sleeve 1009, the pressing rod 1010 moves downwards to contact with the object placing plate 603, because the force of the fifth spring 1011 is greater than that of the first spring 604, at this time, the pressing rod 1010 moves downwards to push the object placing plate 603 to move downwards, the first spring 604 is compressed therewith, the object placing plate 603 moves downwards to drive the slotted turntable 1002 to move downwards, the slotted turntable 1002 moves downwards to drive the slotted turntable 1008 to move downwards, the slotted turntable 1008 slides downwards to match with the slotted cylinder 1007, so that the slotted turntable 1002 rotates, the slotted turntable 1002 rotates to push the first movable clamp plate 1004 to slide towards each other through the first contact rod 1006, the fourth spring 1005 is stretched therewith, the first movable clamp plate 1004 slides towards each other to clamp the PCB, when the object placing plate 603 contacts with the limiting plate 605, the first movable frame 703 continues to slide downwards to drive the second sliding sleeve 1009 to slide downwards, at this time, the fifth spring 1011 is compressed, meanwhile, the test needle 5 is contacted with the PCB for testing, after the test is finished, the first movable frame 703 slides upwards to reset and drives the second sliding sleeve 1009 to move upwards to reset, the fifth spring 1011 resets accordingly, after the fifth spring 1011 completely resets, the second sliding sleeve 1009 moves upwards and drives the pressure lever 1010 to move upwards through the fifth spring 1011 to reset, the pressure lever 1010 moves upwards to be separated from the contact with the object placing plate 603, the first spring 604 resets accordingly and drives the object placing plate 603 to move upwards, the object placing plate 603 moves upwards to drive the turntable 1002 with a groove to move upwards to reset, the turntable 1002 with a groove moves upwards to drive the turntable 1008 with a rod to slide upwards, the turntable 1008 with a rod slides upwards to be matched with the groove tube 1007, the slotted dial 1002 is then reversed, the reversed slotted dial 1002 pulls the first movable clamp plate 1004 back to slide back through the first contact bar 1006 and the fourth spring 1005 is reset, and the first movable clamp plate 1004 slides back to release the PCB board. This device simple structure puts thing board 603 and moves down and drive trough of belt carousel 1002 and move down, and then makes the pole carousel 1008 lapse and the cooperation of groove section of thick bamboo 1007 drive trough of belt carousel 1002 and rotate to realized that first movable clamp plate 1004 slides in opposite directions and presss from both sides tightly the PCB board.

Referring to fig. 2, 4, 18 and 19, the rotation stopping device 11 is further included, the rotation stopping device 11 is configured to prevent the rotation rod 902 from rotating, the rotation stopping device 11 includes a contact plate 1101, a fixed clamp 1102, a third sliding rod 1103, a second movable clamp 1104, a sixth spring 1105, a second contact rod 1106, a second movable plate 1107 and a seventh spring 1108, the contact plate 1101 is symmetrically welded to the front and the back of the left and the right sides of the inside of the housing 2, the fixed clamp 1102 is welded to the opposite sides of the two support frames 901, the third sliding rods 1103 are symmetrically slidably installed to the front and the back of the two contact plates 1101, the second movable clamp 1104 is installed between the outer ends of the two adjacent third sliding rods 1103, the sixth springs 1105 are symmetrically wound to the front and the back between the inner side of the second movable clamp 1104 and the outer side of the adjacent fixed clamp 1102, the second contact rods 1106 is symmetrically welded to the front and the back of the opposite sides of the two second movable clamps 1104, the second contact rod 1106 moves downwards to be in contact with the contact plate 1101, the second movable plates 1107 are arranged on the left side and the right side of the three rotating rods 902 in a sliding mode, the second movable clamp plate 1104 slides inwards to be in contact with the second movable plates 1107, and a seventh spring 1108 is wound between the inner side of each second movable plate 1107 and the outer side of the adjacent bearing.

The first movable frame 703 moves downwards to drive the second contact rod 1106 to move downwards to contact the contact plate 1101, the second movable clamp 1104 moves towards each other under the action of the inclined surface of the contact plate 1101, the sixth spring 1105 is compressed accordingly, the third sliding rod 1103 slides towards each other accordingly, the second movable clamp 1104 moves towards each other to push the second movable plate 1107 to slide towards each other to contact the fixed clamp 1102, the seventh spring 1108 is compressed accordingly, at this time, the second movable plate 1107 is clamped between the fixed clamp 1102 and the second movable clamp 1104, because the friction between the second movable plate 1107 and the fixed clamp 1102 and the second movable clamp 1104 is large, the rotating rod 902 cannot rotate due to external force in the process of moving downwards of the first movable frame 703, when the first movable frame 703 moves upwards to reset, the first contact rod 1006 moves upwards to reset to be separated from the contact plate 1101, the sixth spring 1105 is reset along with the second movable clamp plate 1104 to move back to back, the second movable clamp plate 1104 moves back to drive the third sliding rod 1103 to slide back to back, the second movable clamp plate 1104 moves back to be separated from contact with the second movable plate 1107, the seventh spring 1108 is reset along with the second movable plate 1107 to slide back to be reset, and the second movable plate 1107 slides back to be separated from contact with the fixed clamp plate 1102. This device simple structure, first contact lever 1006 moves down and contact with contact board 1101 for second activity splint 1104 moves in opposite directions and promotes second activity board 1107 and slides in opposite directions and contact with solid fixed splint 1102, and then has realized that second activity board 1107 presss from both sides the increase frictional force between solid fixed splint 1102 and second activity splint 1104, prevents to rotate because of external force production transfer pole 902 in the in-process of first activity frame 703 removal down.

It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims

1. The utility model provides an electronic test needle device with adjustable position which characterized by includes:

the top of the base (1) is provided with a shell (2);

the movable door (3) is arranged at the front side of the shell (2) in a sliding manner;

the left side and the right side of the top of the shell (2) are respectively provided with an observation lens (4) which can be used for conveniently observing the test condition of the PCB;

a placing component (6), wherein the placing component (6) capable of placing the PCB is arranged at the lower part in the shell (2);

the testing component (7) is arranged at the lower part in the shell (2) and can test the PCB;

the test needle (5) is detachably arranged on the test component (7);

the test needle (5) is convenient to replace, and the test component (7) is provided with a replacement component (8) which is convenient to replace the test needle (8).

2. A position-adjustable electric test needle device according to claim 1, wherein the placing member (6) comprises:

the first guide rod (601) is arranged at the lower part in the shell (2) in a left-right symmetrical mode;

the first movable plates (602) are symmetrically arranged on the two first guide rods (601) in a sliding manner;

the storage plates (603) are arranged among the four first movable plates (602), and the storage plates (603) capable of storing the PCB are arranged among the four first movable plates;

a first spring (604), wherein the first spring (604) is wound between the bottom of the first movable plate (602) and the adjacent first guide rod (601);

limiting plates (605) are arranged in the middle of the two first guide rods (601), and the object placing plates (603) move downwards to be in contact with the limiting plates (605).

3. A position-adjustable electric test needle device as claimed in claim 2, wherein the test block (7) comprises:

the middle position of the top in the shell (2) is provided with an electric push rod (701);

the left side and the right side of the top in the shell (2) are symmetrically provided with the second guide rods (702) in a front-back manner;

the first movable frame (703) is arranged between the first movable frame (703) and the four second guide rods (702) in a sliding way,

the extension end of the electric push rod (701) is connected with the top of the first movable frame (703);

three groups of sliding groove rods (704) are uniformly arranged between the left side and the right side of the lower part of the first movable frame (703) at intervals, and two sliding groove rods (704) form a group;

the second movable frames (705) are arranged on each group of sliding groove rods (704) in a sliding mode;

the upper parts of the three second movable frames (705) are provided with first sliding sleeves (706);

the lower parts of the three second movable frames (705) are provided with first sliding rods (707) in a sliding manner, the upper parts of the first sliding rods (707) are connected with the adjacent first sliding sleeves (706) in a sliding manner, and the test needles (5) can be detachably arranged at the bottom ends of the first sliding rods (707);

a second spring (708), wherein the second spring (708) is connected between the top end of the first sliding rod (707) and the upper part of the adjacent first sliding sleeve (706);

the top ends of the three first sliding rods (707) are provided with the top rods (709), and the top rods (709) are in sliding connection with the adjacent first sliding sleeves (706);

the pressure sensors (710) are arranged at the tops in the three second movable frames (705), the pressure sensors (710) are electrically connected with the electric push rod (701), and the push rod (709) moves upwards to be in contact with the pressure sensors (710).

4. A position-adjustable electric test needle device according to claim 3, wherein the replacement block (8) comprises:

the lower parts of the three first sliding rods (707) are respectively provided with the second sliding rods (803) in a bilaterally symmetrical sliding manner;

a third movable frame (801), wherein the third movable frame (801) is arranged between the top ends of two adjacent second sliding rods (803);

the bottom parts of the three third movable frames (801) are symmetrically provided with the inserted rods (802) from left to right, and the inserted rods (802) are matched with the adjacent test needles (5);

and a third spring (804) is wound between the lower part of the second sliding rod (803) and the adjacent first sliding rod (707).

5. The position-adjustable electric test needle device as claimed in claim 4, further comprising an adjusting unit (9) capable of adjusting the position of the test needle (5), the adjusting unit (9) comprising:

the left side and the right side of the first movable frame (703) are respectively provided with a support frame (901), and three bearings are rotatably arranged on the two support frames (901) at uniform intervals;

the rotating rod (902) is uniformly arranged between the left bearing and the right bearing, and the left end and the right end of the rotating rod (902) are both connected with the shell (2) in a sliding manner;

the knobs (903) are arranged at the left end and the right end of each of the three rotating rods (902);

the middle parts of the three rotating rods (902) are provided with screw rods (904), and the screw rods (904) are arranged in the middle parts of the three rotating rods (902);

the nuts (905) are matched with the middle parts of the three screw rods (904), and the tops of the second movable frames (705) close to the bottoms of the nuts (905) are connected.

6. A positionally adjustable electric test pin apparatus according to claim 5, further comprising a stabilizing member (10) capable of gripping a PCB, the stabilizing member (10) comprising:

the bottom of the storage plate (603) is provided with a support ring (1001);

the supporting ring (1001) is provided with a slotted turntable (1002) in a sliding manner;

the four third guide rods (1003) are uniformly arranged in the storage plate (603) at intervals, and the four third guide rods (1003) are respectively arranged on the front side, the rear side, the left side and the right side in the storage plate (603);

the four third guide rods (1003) are respectively provided with a first movable clamping plate (1004) in a sliding manner, and the first movable clamping plates (1004) capable of clamping the PCB are arranged on the four third guide rods in a sliding manner;

the fourth spring (1005) is wound between each of the back sides of the four first movable clamping plates (1004) and the interior of the object placing plate (603);

the bottom parts of the four first movable clamping plates (1004) are respectively provided with a first contact rod (1006), and the first contact rods (1006) are respectively connected with the slotted rotary table (1002) in a sliding manner;

the middle position of the lower part in the shell (2) is provided with the grooved drum (1007);

the bottom of the grooved turntable (1002) is provided with a rotary table with a rod (1008), and the rotary table with the rod (1008) is connected with the grooved drum (1007) in a sliding manner;

the left side and the right side of the lower part of the first movable frame (703) are respectively provided with a second sliding sleeve (1009) in a front-back symmetrical manner;

the pressing rods (1010) are arranged in the four second sliding sleeves (1009) in a sliding manner, and the pressing rods (1010) move downwards to be in contact with the object placing plate (603);

and a fifth spring (1011), wherein the fifth spring (1011) is connected between the top of the pressure lever (1010) and the inside of the adjacent second sliding sleeve (1009).

7. A position-adjustable electric test needle device according to claim 6, further comprising a rotation stop member (11) capable of preventing the rotation of the rotation lever (902), the rotation stop member (11) comprising:

the contact plate (1101) is symmetrically arranged at the front and the back of the left side and the right side in the shell (2);

the fixed clamping plates (1102) are arranged on one sides of the two support frames (901) back to back;

the third sliding rod (1103) is arranged on the two contact plates (1101) in a sliding manner in a front-back symmetrical manner;

a second movable clamping plate (1104) is arranged between the outer ends of two adjacent third sliding rods (1103);

the sixth springs (1105) are symmetrically wound around the front and the back between the inner side of the second movable splint (1104) and the outer side of the close fixed splint (1102);

the back sides of the two second movable clamping plates (1104) are symmetrically provided with second contact rods (1106) front and back, and the second contact rods (1106) move downwards to be in contact with the contact plate (1101);

the left and right sides of the three rotating rods (902) are provided with the second movable plates (1107) in a sliding manner, and the second movable clamping plates (1104) slide inwards to be in contact with the second movable plates (1107);

and a seventh spring (1108), wherein the seventh spring (1108) is wound between the inner side of the second movable plate (1107) and the outer side of the adjacent bearing.

8. A position-adjustable electric test needle device as claimed in claim 1, wherein a handle is provided at the lower front side of the movable door (3).