CN214669200U

CN214669200U - Four-wire test micro-needle module

Info

Publication number: CN214669200U
Application number: CN202120724197.9U
Authority: CN
Inventors: 刘志明
Original assignee: Shenzhen Tengge Technology Co ltd
Current assignee: Shenzhen Tengge Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-09
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to the technical field of test tools, in particular to a four-wire test micro-needle module, which comprises a planting plate, a needle plate, a base plate, a bottom plate and a plurality of test needles; the planting plate is provided with a containing groove for placing and positioning a product, the planting plate is arranged on the needle plate, an elastic column is arranged between the planting plate and the needle plate, the needle plate is arranged on the base plate, and the base plate is movably connected with the bottom plate through an adjusting support column; a plurality of test needles are fixed on the needle plate, and one ends of the test needles extend to the planting plate to be in contact with a product; the switching PCB comprises a first switching PCB and a second switching PCB, one part of the test needles is in contact with the first switching PCB, and the other part of the test needles penetrates through the first switching PCB to be in contact with the second switching PCB. The module can meet the requirement of four-wire testing on a first switching PCB and a second switching PCB.

Description

Four-wire test micro-needle module

Technical Field

The utility model relates to a test fixture technical field, in particular to four-wire test micropin module.

Background

As carriers of various components and hubs of circuit signal transmission, flexible circuit boards have become the most important and critical part of electronic information products, and the quality and reliability level of the flexible circuit boards determine the quality and reliability of the whole equipment. Due to the development trend of high density of flexible circuit boards and the environmental protection requirements of no lead and no halogen, more and more products have various failure problems such as slight opening, poor micro short circuit and the like in the manufacturing process.

Therefore, a four-wire test module is required to be arranged to perform more strict detection on the flexible circuit board.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a four-wire test micropin module to solve the problem that proposes in the above-mentioned background art.

The utility model provides a technical scheme that problem among the prior art adopted does: a four-wire test microneedle module comprises a planting plate, a needle plate, a base plate, a bottom plate and a plurality of test needles; the planting plate is provided with a containing groove for placing and positioning a product, the planting plate is arranged on the needle plate, an elastic column is arranged between the planting plate and the needle plate, the needle plate is arranged on the base plate, and the base plate is movably connected with the bottom plate through an adjusting support column; the plurality of test needles are fixed on the needle plate, one ends of the test needles extend to the planting plate and are used for being contacted with a product, and the other ends of the test needles extend to the bottom plate and are used for being contacted with an adapter PCB; wherein the content of the first and second substances,

the switching PCB board includes first switching PCB board and second switching PCB board, first switching PCB board and second switching PCB board are folded together, and be provided with the insulating layer between first switching PCB board and the second switching PCB board, it is a plurality of partly with first switching PCB board contact of test needle, it is a plurality of another part of test needle passes first switching PCB board with second switching PCB board contact.

As the utility model discloses preferred scheme, be connected through positioning bolt between faller and the base plate.

As the utility model discloses preferred scheme, plant the board with still be provided with the locating pin between the faller.

As the utility model discloses preferred scheme, adjust the support column and include that first regulation support piece and second adjust support piece, first regulation support piece and second adjust through the adjustable connection of thread between the support piece.

As the utility model discloses preferred scheme, be provided with the recess of stepping down on the base plate, the recess of stepping down is convenient for the test needle extends to plant on board and the bottom plate.

As the utility model discloses preferred scheme, it lies in to plant on the board the test needle is provided with first holding hole with the region of product contact.

As the utility model discloses preferred scheme, be located on the bottom plate the test needle with the region of switching PCB board contact is provided with the second and holds the hole.

As the utility model discloses preferred scheme, be provided with on the first commentaries on classics joint PCB board and be convenient for the through-hole that the test needle passed, and the test needle not with first commentaries on classics joint PCB board contact.

As the preferred scheme of the utility model, the through-hole scribbles insulating material.

Compared with the prior art, the utility model discloses following technological effect has:

the utility model provides a four-wire test micropin module, through with the test needle respectively with the first switching PCB board and the contact of second switching PCB board of range upon range of together, the requirement of four-wire test is realized at first switching PCB board and second switching PCB board upper value needle respectively promptly.

Drawings

Fig. 1 is an exploded schematic view of a four-wire test microneedle module according to the present invention;

fig. 2 is a schematic structural diagram of a four-wire testing microneedle module according to the present invention;

fig. 3 is a schematic structural diagram of an adjusting support column in a four-wire testing microneedle module according to the present invention;

fig. 4 is one of schematic views of the contact between the test pin and the adapting PCB in the four-wire test micro-needle module of the present invention;

fig. 5 is an enlarged partial view of a portion of the four wire test microneedle module of fig. 4 at a;

fig. 6 is a second schematic view illustrating the contact between the testing pin and the adapting PCB board in the four-wire testing micro-needle module of the present invention.

Reference numbers in the figures:

1. planting a plate; 2. a needle plate; 3. a base plate; 4. a base plate; 5. a test pin; 6. a containing groove; 7. an elastic column; 8. adjusting the supporting columns; 9. switching the PCB; 10. positioning the bolt; 11. positioning pins; 12. a yielding groove; 13. a first housing hole; 14. a second housing hole; 81. a first adjusting support; 82. a second adjustment support; 91. a first transfer PCB board; 92. a second transfer PCB board; 93. and a through hole.

Detailed Description

The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the description of the embodiments is provided to help understanding the present invention, but not to limit the present invention.

In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in attached figures 1-3: a four-wire test microneedle module comprises a planting plate 1, a needle plate 2, a base plate 3, a bottom plate 4 and a plurality of test needles 5; the planting plate 1 is provided with a containing groove 6 for placing and positioning products, and after the tested products are placed in the containing groove 6, the products can be ensured to be fixed at specific positions; the planting plate 1 is arranged on the needle plate 2, an elastic column 7 is arranged between the planting plate 1 and the needle plate 2, the elastic column 7 provides floating elastic force for the planting plate 1, so that the planting plate 1 can move relative to the needle plate 2, and the product can be ensured to be in complete contact with the testing needle 5; the needle plate 2 is arranged on the base plate 3, the base plate 3 is movably connected with the bottom plate 4 through an adjusting support column 8, and the stroke between the needle plate 2 and the bottom plate 4 is adjusted according to the testing stroke of the testing needle 5 by adjusting the height of the adjusting support column 8; a plurality of test needles 5 are fixed on the needle plate 2, one end of each test needle 5 extends to the planting plate 1 and is used for contacting with a product, and the other end of each test needle 5 extends to the bottom plate 4 and is used for contacting with an adapter PCB 9; wherein the content of the first and second substances,

referring to fig. 4 and 6, the adaptor PCB 9 includes a first adaptor PCB 91 and a second adaptor PCB 92, the first adaptor PCB 91 and the second adaptor PCB 92 are stacked together, and an insulating layer is disposed between the first adaptor PCB 91 and the second adaptor PCB 92, a portion of the test pins 5 is in contact with the first adaptor PCB 91, and another portion of the test pins 5 passes through the first adaptor PCB 91 to be in contact with the second adaptor PCB 92.

It should be noted that the adapting PCB 9 is a structure for converting the testing pins 5 into a common flat cable, so as to connect the testing pins 55 with the testing device.

As the preferred scheme of the utility model, be connected through positioning bolt 10 between faller 2 and the base plate 3. The positioning bolts 10 are provided for facilitating the mounting and dismounting of the needle plate 2 and the base plate holder on the one hand and for facilitating the positioning of the needle plate 2 and the base plate holder on the other hand.

As the preferred scheme of the utility model, plant board 1 with still be provided with locating pin 11 between faller 2. Because plant board 1 and can be for faller 2 elastic movement, set up locating pin 11 and can make the removal of planting board 1 more smooth and easy, play the effect of location simultaneously planting the in-process that board 1 removed.

As the preferred embodiment of the present invention, the adjusting support column 8 comprises a first adjusting support 81 and a second adjusting support 82, the first adjusting support 81 and the second adjusting support 82 are adjustably connected by a screw thread, so as to adjust the relative height between the first adjusting support 8181 and the second adjusting support 8282.

As the utility model discloses preferred scheme, be provided with the recess of stepping down 12 on the base plate 3, the recess of stepping down 12 is convenient for test needle 5 extends to plant on board 1 and the bottom plate 4.

As the preferred scheme of the utility model, a first containing hole 13 is arranged on the planting plate 1 in the contact area of the test needle 5 and the product; the test needles 5 fixedly arranged on the needle board 2 can be brought into contact with the product through the first receiving holes 13.

As a preferred scheme of the present invention, a second accommodating hole 14 is formed in the bottom plate 4 in a region where the test pin 5 contacts the adapting PCB 9; the test pins 5 fixedly provided at the pin plate 2 can be brought into contact with the relay PCB 9 through the second receiving holes 14.

Referring to fig. 5, as the preferred embodiment of the present invention, the first adapting PCB 91 is provided with a through hole 93 for the test pin 5 to pass through, and the test pin 5 does not contact with the first adapting PCB 91.

As the preferred scheme of the utility model, through-hole 93 scribbles insulating material, prevent with the test needle 5 of second switching PCB board 92 contact with first switching PCB contact.

the utility model provides a four-wire test micropin module, through with test needle 5 respectively with the first switching PCB board 91 and the contact of second switching PCB board 92 of range upon range of together, realize the requirement of four-wire test at first switching PCB board 91 and the upper value needle of second switching PCB board 92 respectively promptly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A four-wire test microneedle module is characterized by comprising a planting plate, a needle plate, a base plate, a bottom plate and a plurality of test needles; the planting plate is provided with a containing groove for placing and positioning a product, the planting plate is arranged on the needle plate, an elastic column is arranged between the planting plate and the needle plate, the needle plate is arranged on the base plate, and the base plate is movably connected with the bottom plate through an adjusting support column; the plurality of test needles are fixed on the needle plate, one ends of the test needles extend to the planting plate and are used for being contacted with a product, and the other ends of the test needles extend to the bottom plate and are used for being contacted with an adapter PCB; wherein the content of the first and second substances,

2. The four-wire test microneedle module according to claim 1, wherein: the needle plate is connected with the base plate through a positioning bolt.

3. The four-wire test microneedle module according to claim 1, wherein: a positioning pin is also arranged between the planting plate and the needle plate.

4. The four-wire test microneedle module according to claim 1, wherein: the adjusting support column comprises a first adjusting support part and a second adjusting support part, and the first adjusting support part and the second adjusting support part are in adjustable connection through threads.

5. The four-wire test microneedle module according to claim 1, wherein: be provided with the recess of stepping down on the base plate, the recess of stepping down is convenient for the test needle extend to plant on board and the bottom plate.

6. The four-wire test microneedle module according to claim 1, wherein: the area of planting the board and being located the test needle and product contact is provided with first holding hole.

7. The four-wire test microneedle module according to claim 1, wherein: and a second containing hole is formed in the bottom plate in the contact area of the test needle and the switching PCB.

8. The four-wire test microneedle module according to claim 1, wherein: the first adapter PCB is provided with a through hole for the test needle to pass through, and the test needle is not in contact with the first adapter PCB.

9. The four-wire test microneedle module according to claim 8, wherein: the through holes are coated with an insulating material.