CN216526160U

CN216526160U - Simple PCB detection jig with wide detection range

Info

Publication number: CN216526160U
Application number: CN202122958245.3U
Authority: CN
Inventors: 符晰帆
Original assignee: Shenzhen Dongfang Ruide Electronics Co ltd
Current assignee: Shenzhen Dongfang Ruide Electronics Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-13
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a simple PCB detection jig with a wide detection range, which comprises a bottom plate and a detection block fixedly arranged on the bottom plate, wherein the detection block comprises an installation part for installing a PCB and a detection part for detecting the PCB, the installation part is provided with a plurality of positioning holes, and positioning columns are inserted in the positioning holes; the detection part is provided with a plurality of detection holes, and detection probes electrically connected with an external power supply are inserted in the detection holes. According to the utility model, the PCB to be detected is arranged on the installation part of the detection block, and the detection probe is arranged on the detection part of the detection block, so that a user can directly press the PCB to enable the contact of the PCB to be contacted with the detection probe, and the detection of the PCB is realized.

Description

Simple PCB detection jig with wide detection range

Technical Field

The utility model relates to the technical field of simple PCB detection jigs with wide detection range, in particular to a simple PCB detection jig with wide detection range.

Background

The PCB, namely the printed circuit board, also called as the printed circuit board and the printed circuit board, is an important electronic component and is used as a support body of the electronic component for providing electrical connection for the electronic component; after the production of the circuit board is finished, the PCB needs to be electrified for detection in order to ensure that the circuit board can normally operate. At present, after the PCB is produced, the PCB is usually detected through a detection jig, and the PCB is installed on the detection jig, so that a contact point on the PCB is electrically connected with a detection probe on the detection jig, and the PCB is electrified to detect the function of the PCB.

However, the detection jig in the prior art is too large in size, and generally comprises a detection table, a detection plate and a pressing component for pressing a PCB, wherein the detection jig is used for fixedly mounting the PCB on the detection plate, and the PCB is connected with a detection probe on the detection table by pressing the pressing component to realize the detection function of the PCB; meanwhile, the detection jig is usually manufactured for a PCB of a certain model, and can only detect the PCB of the model, so that the application range is small, and PCBs of other models can only be manufactured with corresponding jigs for detection, and the production cost is too high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a simple PCB detection jig with a wide detection range, which is simple in structure, small in size, convenient for a user to use flexibly, wide in application range and capable of reducing production cost, and can be used for detecting PCBs of various types.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a simple PCB detection jig with a wide detection range comprises a bottom plate and a detection block fixedly arranged on the bottom plate, wherein the detection block comprises an installation part for installing a PCB and a detection part for detecting the PCB, the installation part is provided with a plurality of positioning holes, and positioning columns are inserted in the positioning holes; the detection part is provided with a plurality of detection holes, and detection probes electrically connected with an external power supply are inserted in the detection holes.

Further, the horizontal height of the installation part is higher than that of the detection part, and the top end of the detection probe is higher than the installation part.

Furthermore, the mounting portion both sides all are equipped with the locating plate, the locating plate height is higher than the mounting portion plane.

Furthermore, the tops of the end surfaces of the positioning plates, which are close to each other, incline towards the direction away from each other.

Furthermore, a light sliding plate is attached to the end face, close to the mounting portion, of the positioning plate.

Furthermore, the detection probe comprises an inner tube, a supporting spring arranged in the inner tube and a needle shaft inserted in the inner tube, the inner tube is inserted in the detection hole, and two ends of the supporting spring are respectively abutted against the bottom of the inner tube and the bottom end of the needle shaft.

Furthermore, the top of the needle shaft is provided with a probe which is in contact with a PCB contact, and the probe is a nine-claw head.

Furthermore, a supporting block is arranged at the bottom of the bottom plate, and an anti-skid pad is arranged at the bottom of the supporting block;

and a board taking port which is convenient for taking out the PCB is arranged on the mounting part.

Furthermore, the bottom plate, the detection block and the positioning plate are all made of EVA foam.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the PCB to be detected is arranged on the installation part of the detection block, and the detection probe is arranged on the detection part of the detection block, so that a user can directly press the PCB to enable the contact of the PCB to be contacted with the detection probe, and the detection of the PCB is realized.

2. The PCB board detection device has the advantages that the installation part is provided with the plurality of positioning holes, the positioning columns are installed in the positioning holes to position the PCB board, the detection part is provided with the plurality of detection holes, the detection probes are installed in the detection holes, the positioning columns can be replaced through the positioning holes to position the installation of the circuit boards with different types and specifications, the detection probes can be replaced through the detection holes to detect the PCB boards with various types, and compared with the prior art, the application range is expanded, and the cost can be reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a side view of the present embodiment;

FIG. 3 is a cross-sectional view of the detection probe of the present embodiment;

fig. 4 is an enlarged view of a point a in fig. 1.

In the figure: 1. a base plate; 11. a support block; 111. a non-slip mat; 2. a detection block; 21. an installation part; 211. positioning holes; 212. taking a plate opening; 22. a detection unit; 221. a detection hole; 3. a positioning column; 4. detecting the probe; 41. an inner tube; 42. a support spring; 43. a needle shaft; 44. a probe; 5. positioning a plate; 51. and (7) smoothing the board.

Detailed Description

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following description taken in conjunction with the accompanying drawings.

It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. used herein indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

With reference to fig. 1 to 3, a simple PCB detection jig with a wide detection range includes a bottom plate 1 and a detection block 2 disposed on the bottom plate 1, wherein the detection block 2 includes an installation portion 21 and a detection portion 22, in this embodiment, the PCB to be detected is fixed by the installation portion 21, and the detection probe 4 is fixed by the detection portion 22, so that the PCB fixed on the installation portion 21 can contact with the detection probe 4 on the detection portion 22, and the detection of the PCB is realized by the contact and energization of the detection probe 4 connected to an external power source, compared with the prior art, the detection jig of this embodiment has a simple structure and is convenient to manufacture, and meanwhile, the bottom plate 1 and the detection block 2 of this embodiment are both made of EVA foam, so that the detection jig is low in cost and light in weight, and is convenient for a user to use flexibly;

the mounting part 21 of the embodiment is provided with a plurality of positioning holes 211, and the positioning columns 3 are inserted into the positioning holes 211, so that when the PCB board of the embodiment is mounted on the mounting part 21, the positions of the PCB board can be positioned through the positioning columns 3, and the contacts on the PCB board can be ensured to accurately contact with the detection probes 4 on the detection part 22 to complete detection; a plurality of inspection holes 221 have been seted up on the detection portion 22 of this embodiment, through pegging graft detection probe 4 in inspection hole 221, make this embodiment accessible peg graft detection probe 4 and change detection probe 4's position in the inspection hole 221 of difference, this embodiment accessible is pegged graft reference column 3 in different locating hole 211 simultaneously, change reference column 3's position, and then make this embodiment detect the PCB board of multiple model, the application scope of this embodiment has been enlarged, need not to design corresponding detection tool to the PCB board of various models, production cost has effectively been reduced.

As shown in fig. 1, the horizontal height of the installation portion 21 is higher than the horizontal height of the detection portion 22, and after the detection probe 4 is installed on the detection portion 22, the height of the detection probe 4 is higher than the height of the installation portion 21, so that when the PCB is fixed on the installation portion 21 for detection, a tester is required to press the PCB to completely fix the PCB on the installation portion 21, and meanwhile, the PCB presses down to compress the detection probe 4, so that the contact point on the PCB is completely contacted with the detection probe 4, thereby ensuring the connection effect of the PCB and the detection probe 4, and further ensuring the precision.

The two sides of the mounting part 21 are respectively provided with a positioning plate 5 for positioning in the mounting process of the PCB, and the height of the positioning plate 5 is higher than that of the mounting part 21, so that the position of the PCB can be limited and positioned by the positioning plate 5 in the process of placing the PCB on the mounting part 21, and the PCB can be conveniently and accurately mounted; the tops of the end surfaces, close to each other, of the positioning plates 5 incline towards the direction away from each other, so that the two positioning plates 5 have a tendency of being transported towards the middle mounting part 21, and further, when the PCB is mounted, the PCB can slide into the mounting part 21 along the inclined surfaces of the two positioning plates 5, and the mounting mode is convenient and quick and is convenient to use; the laminating has smooth slide 51 on the terminal surface that locating plate 5 is close to each other, and then when making the PCB board install on installation department 21, the accessible smooth plate 51 reduces frictional force, guarantees the quick installation of PCB board.

As shown in fig. 3, the detecting probe 4 includes an inner tube 41, a supporting spring 42 mounted to the inner tube 41, and a needle shaft 43 inserted into the inner tube 41, in this embodiment, the inner tube 41 is inserted into the positioning hole 211, so that the detecting probe 4 is fixed on the detecting portion 22, and contacts with the contact of the PCB to detect the PCB; in this embodiment, after the mounting spring is mounted in the supporting spring 42, the needle shaft 43 is inserted into the inner tube 41, so that two ends of the supporting spring 42 are respectively abutted against the bottom of the inner tube 41 and the bottom end of the needle shaft 43, and the needle shaft 43 is supported higher than the mounting portion 21 under the action of the supporting spring 42; when the PCB is detected by the embodiment, a detector presses the PCB into the mounting part 21, the contact of the PCB presses the needle shaft 43 to press the needle shaft 43 downwards, so that the compression spring is compressed, the contact of the PCB is in closer contact with the detection probe 4, and the detection effect is ensured; after the PCB is taken out after the detection is finished, the needle shaft 43 is lifted and reset under the action of the supporting spring 42, so that the next detection is facilitated;

as shown in fig. 3 and 4, a probe 44 is arranged at the top of the needle shaft 43, and the PCB is detected by the probe 44 contacting with a contact on the PCB; wherein the probe 44 is a nine-claw head, which can be used for various types of contact points, such as: the long guide pins, the terminals, the winding posts, the welding points, the welding pads and the like, so that the types of the PCB which can be detected by the embodiment are further increased, and the application range of the embodiment is further expanded.

As shown in fig. 2, the bottom of the bottom plate 1 is provided with a supporting block 11, and the whole detection jig is supported by the supporting block 11, so that the detection jig can be conveniently placed in various places for use and is convenient to flexibly apply; the anti-slip mat 111 is installed to the supporting shoe 11 bottom, makes this embodiment accessible anti-slip mat 111 increase frictional force, avoids sliding in the testing process and leads to influencing the testing result.

As shown in fig. 1, the mounting portion 21 of this embodiment is further provided with a board taking opening 212 for taking out the PCB, so that after the PCB is detected, the PCB can be taken out from the board taking opening 212 directly, in addition to being ejected by the detection probe 4, for the convenience of the user.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are within the scope of the present invention.

Claims

1. The utility model provides a wide simple and easy type PCB board detection tool of detection range, includes bottom plate and fixed mounting the detection piece on the bottom plate, its characterized in that: the detection block comprises an installation part for installing the PCB and a detection part for detecting the PCB, the installation part is provided with a plurality of positioning holes, and positioning columns are inserted in the positioning holes; the detection part is provided with a plurality of detection holes, and detection probes electrically connected with an external power supply are inserted in the detection holes.

2. The simple PCB testing jig with wide testing range according to claim 1, wherein: the level of installation department is higher than the level of detection portion, the test probe top is higher than the installation department.

3. The simple PCB testing jig with wide testing range according to claim 2, wherein: the installation department both sides all are equipped with the locating plate, the locating plate height is higher than the installation department plane.

4. The simple PCB testing jig with wide testing range according to claim 3, wherein: the tops of the end faces of the positioning plates, which are close to each other, incline towards the direction away from each other.

5. The simple PCB testing jig with wide testing range according to claim 4, wherein: the locating plate is attached to the end face, close to the mounting portion, of the mounting portion.

6. The simple PCB testing jig with wide testing range according to claim 1, wherein: the detection probe comprises an inner tube, a supporting spring arranged in the inner tube and a needle shaft inserted in the inner tube, the inner tube is inserted in the detection hole, and two ends of the supporting spring are respectively abutted against the bottom of the inner tube and the bottom end of the needle shaft.

7. The simple PCB testing jig with wide testing range according to claim 6, wherein: the top of the needle shaft is provided with a probe which is in contact with a PCB contact, and the probe is a nine-claw head.

8. The simple PCB testing jig with wide testing range according to claim 1, wherein: the bottom of the bottom plate is provided with a supporting block, and the bottom of the supporting block is provided with an anti-skid pad;

9. The simple PCB board inspection jig with a wide inspection range according to any one of claims 1 to 8, wherein: the bottom plate, the detection block and the positioning plate are all made of EVA foam.