CN217060468U

CN217060468U - Connector testing device

Info

Publication number: CN217060468U
Application number: CN202220495231.4U
Authority: CN
Inventors: 马江坤; 王智辉; 王凯; 王浩; 聂文杰
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-26
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the technical field of PCB motherboard connector tests, a connector testing arrangement is disclosed, including actuating mechanism and probe module. Wherein, the probe module includes fixed subassembly, the guide block, probe and a plurality of elastic locating needle, probe one end is fixed to be set up on fixed subassembly, the other end slides and sets up in the guide block, the guide block sets up on fixed subassembly through a plurality of elastic locating needles, fixed subassembly sets up in actuating mechanism's output, actuating mechanism can drive fixed subassembly motion, so that fixed subassembly drives and drives the guide block motion, after guide block and connector butt, the fixed subassembly of actuating mechanism drive continues to move down, the guide block receives the reaction force of connector to shift up, make the probe can probe out the PIN foot butt of guide block and connector, in order to realize the capability test of connector. This connector testing arrangement realizes the removal of guide block through replacing traditional spring structure with the elastic positioning needle, has improved this connector testing arrangement's measuring accuracy.

Description

Connector testing device

Technical Field

The utility model relates to a PCB motherboard connector tests technical field, especially relates to a connector testing arrangement.

Background

At present, with the rapid development of display related electronic products such as smart phones, tablet computers, notebooks, high-definition televisions, smart watches and the like, the product demand of the market for the consumer electronics industry is also increasing. All electronic products, it all can be decomposed into a bold module, and a mainboard of controlling whole product function, mainboard and each module all lean on board to board connector connection, before all electronic product equipment, in order to guarantee that the product can normal use after the equipment, all need detect each module, and the mode of detecting is for making a board on every module of being connected with the mainboard to connector assorted test probe and test equipment of board.

In the prior art, the PCB motherboard interface connector testing apparatus includes a driving member, a fixing structure, a probe, a guide block, and a spring structure. Wherein, the guide block passes through spring structure and sets up on fixed knot constructs, and the probe is fixed to be set up on fixed knot constructs, and driving piece drive fixed knot constructs towards the connector motion, and after guide block and connector butt, the elasticity that the spring structure was overcome to the guide block removes, makes the probe can bulge guide block and connector butt with test connector performance. This spring structure adopts the structure of traditional spring with the guide arm to realize the removal of guide block, and this structure occupation space is great, and the precision is low and stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector testing arrangement adopts the elastic locating needle to replace traditional spring structure, reduces occupation space and improves the measuring accuracy.

To achieve the purpose, the utility model adopts the following technical proposal:

a connector testing device comprising:

a drive mechanism;

probe module, including fixed subassembly, guide block, probe and a plurality of elastic locating needle, fixed subassembly set up in actuating mechanism's output, probe one end is fixed set up in on the fixed subassembly, the other end slide set up in the guide block, the guide block is through a plurality of elastic locating needle elastic connection in fixed subassembly deviates from actuating mechanism's one side, actuating mechanism can drive fixed subassembly removes towards the connector, the connector is right the reaction force of guide block can make guide block reverse movement so that the probe exposes the guide block with the PIN foot butt of connector.

Preferably, the fixing assembly comprises a mounting part and a correcting part, the mounting part is fixedly arranged at the output end of the driving mechanism, the correcting part is elastically arranged on the mounting part, the elastic positioning pin is fixedly arranged on the correcting part, and the correcting part can correct the positions of the guide block and the probe.

Preferably, the correcting member includes a floating block, a plurality of screws and a plurality of springs, one end of each screw is fixedly connected with the floating block, a positioning portion is arranged on the mounting member, the other end of each screw is located in the positioning portion under the action force of the corresponding spring, the reaction force of the connector on the guide block enables the floating block to overcome the action force of the corresponding spring to enable the other end of each screw to be separated from the positioning portion, one side, far away from the guide block, of the elastic positioning pin is fixedly connected with the floating block, and the probe is fixedly arranged on the floating block.

Preferably, the positioning part is a tapered groove, and a tapered part is provided at an end of the screw connected to the mounting part, and the tapered part can be fitted to the tapered groove.

Preferably, the floating block is provided with a mounting hole, the elastic positioning pin is fixedly arranged in the mounting hole, and the elastic positioning pin is in interference fit with the mounting hole.

Preferably, one of the slider and the guide block is provided with a guide projection, and the other is provided with a guide groove, and the guide projection is slidably inserted into the guide groove.

Preferably, the installed part comprises an upper installation plate and a lower installation plate, the correcting part is elastically connected to the lower installation plate, and the upper installation plate and the lower installation plate simultaneously clamp the output end of the driving mechanism.

Preferably, the driving mechanism comprises an installation frame, a driving piece and a movable plate, the driving piece is fixedly arranged on the installation frame, the movable plate is fixedly arranged at the output end of the driving piece, and the fixing assembly is arranged on the movable plate.

Preferably, the driving mechanism further comprises a guide assembly for guiding the movement of the moving plate.

Preferably, the guide assembly comprises a guide plate and a guide column, the guide plate is fixedly arranged on the mounting frame, the guide column is fixedly arranged on the moving plate, a sliding hole is formed in the guide plate, and the guide column is slidably arranged in the sliding hole.

The utility model has the advantages that:

the utility model provides a pair of connector testing arrangement, including actuating mechanism and probe module. Wherein, the probe module is including fixed subassembly, the guide block, probe and a plurality of elastic locating needle, probe one end is fixed to be set up on fixed subassembly, the other end slides and sets up in the guide block, the guide block sets up on fixed subassembly through a plurality of elastic locating needles, fixed subassembly sets up in actuating mechanism's output, actuating mechanism can drive fixed subassembly motion, so that fixed subassembly drives and drives the guide block motion, after guide block and connector butt, the fixed subassembly of actuating mechanism drive continues to move down, the guide block receives the reaction force of connector to shift up, make the probe can visit the PIN foot butt of guide block and connector, in order to realize the capability test of connector. In addition, the elastic positioning needle has high precision, and the guide block is connected with the fixing component through the elastic positioning needle, so that the guide block hardly deflects when moving relative to the fixing component, and the overall stability is improved. This connector testing arrangement realizes the removal of guide block through replacing traditional spring structure with the elastic locating needle, has improved this connector testing arrangement's measuring accuracy, and with low costs, occupation space is little, has not only improved the test quality but also has improved efficiency of software testing.

Drawings

Fig. 1 is a schematic overall structure diagram of a connector testing device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a probe module according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an elastic positioning pin according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lower mounting plate according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a screw according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating the installation of the elastic positioning pin and the slider according to the embodiment of the present invention.

In the figure:

1-a drive mechanism; 11-a mounting frame; 12-a drive member; 13-moving the plate; 14-a guide assembly; 141-a guide plate; 142-a guide post; 143-linear bearings;

2-a probe module; 21-a fixation assembly; 211-a mounting member; 2111-upper mounting plate; 2112-lower mounting plate; 2112 a-location section; 212-a correction element; 2121-a slider; 2121 a-mounting hole; 2121 b-guide projection; 2121 c-limiting hole; 2122-screw; 2123-spring; 22-a guide block; 221-a guide groove; 23-a probe; 24-an elastic locating pin; 241-a fixed part; 242-an elastic portion; 243-an abutment;

100-positioning jig.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The PCB main board is a printed circuit board, and a connector is arranged on the PCB main board. The performance of the connector is required to be tested after the connector is connected with a PCB mainboard, namely, the connector cannot be used and the like due to the fact that whether the function of the connector is complete or not, and the connector is not damaged or cannot be installed.

As shown in fig. 1-3, an embodiment of the present invention provides a connector testing device. The connector testing device comprises a driving mechanism 1 and a probe module 2. The probe module 2 includes a fixing member 21, a guide block 22, a probe 23, and a plurality of elastic positioning pins 24. Probe 23 one end is fixed to be set up on fixed subassembly 21, the other end slides and sets up in guide block 22, guide block 22 sets up on fixed subassembly 21 through a plurality of elastic locating needles 24, fixed subassembly 21 sets up in actuating mechanism 1's output, actuating mechanism 1 can drive fixed subassembly 21 and move, so that fixed subassembly 21 drives and drives guide block 22 motion, after guide block 22 and connector butt, actuating mechanism 1 drives fixed subassembly 21 and continues to move down, guide block 22 receives the reaction force of connector to shift up, make probe 23 can lean out the PIN foot butt of guide block 22 and connector, in order to realize the capability test of connector. In addition, because the elastic positioning PIN 24 comprises the fixing part 241 and the elastic part 242, the elastic part 242 can elastically expand and contract in the fixing part 241, the elastic part 242 has high precision when moving in the fixing part 241, and the elastic part 242 hardly swings relative to the fixing part 241, therefore, the fixing part 241 is fixedly connected with the fixing component 21, after the guide block 22 is fixedly connected with the elastic part 242, the shaking amount of the guide block 22 when moving relative to the fixing component 21 through the elastic positioning PIN 24 is very small, the stability is high, the probe 23 is abutted with the PIN foot of the connector, and the position is more precise. Further, the connector testing device further comprises a positioning jig 100, and the PCB main board is placed on the positioning jig 100, so that the testing is more convenient.

This connector testing arrangement realizes the removal of guide block 22 through replacing traditional spring structure with elastic positioning needle 24, has improved this connector testing arrangement's measuring accuracy, and with low costs, occupation space is little, has not only improved the test quality, has still improved efficiency of software testing.

In the present embodiment, four elastic positioning pins 24 are provided, and the four elastic positioning pins 24 are simultaneously connected with the guide block 22, so that the stability is further improved.

Specifically, with continued reference to fig. 1, the drive mechanism 1 includes a mounting bracket 11, a driver 12, and a moving plate 13. The driving part 12 is fixedly arranged on the mounting frame 11, the moving plate 13 is fixedly arranged at the output end of the driving part 12, and the driving part 12 can drive the moving plate 13 to move. The fixed component 21 is disposed on the moving plate 13, so that when the moving plate 13 moves, the fixed component 21 can be driven to move, and further the guide block 22 is driven to move towards the connector, so as to contact the PIN 23 with the PIN of the connector.

Alternatively, the driving member 12 is a cylinder, which has the characteristics of simple structure, convenient use and low cost.

In the present embodiment, two driving members 12 are provided, and the output ends of the two driving members 12 are respectively fixedly connected to two sides of the moving plate 13, so as to stabilize the structure.

Further, since the precision of the air cylinder is not high, the push rod may be deflected due to resistance when pushing out, and the moving plate 13 may be displaced, so that the contact position of the PIN 23 with the PIN of the connector is not accurate. In order to solve the above problem, the driving mechanism 1 further includes a guiding assembly 14, and the guiding assembly 14 can guide the movement of the moving plate 13 to ensure that the moving plate 13 is accurately positioned during the movement.

Further, the guide assembly 14 includes a guide plate 141 and a guide post 142. The guide plate 141 is fixedly arranged on the mounting frame 11, the guide plate 141 is provided with a sliding hole, the guide column 142 is fixedly arranged on the moving plate 13, the guide column 142 is slidably arranged in the sliding hole, and the guide column 142 is limited in the sliding hole and fixedly connected with the moving plate 13, so that the moving plate 13 is transversely limited relative to the guide plate 141, and the test precision is improved.

Preferably, the guide assembly 14 further includes a linear bearing 143, and the linear bearing 143 is fixedly disposed in the sliding hole to reduce the wear of the guide post 142 and to make the guide post 142 slide more smoothly.

In the present embodiment, the guide posts 142 and the linear bearings 143 are provided in one-to-one correspondence, and four are provided.

Specifically, with continued reference to fig. 2, when the connector testing apparatus is used to test a connector, due to an error, when the guide block 22 moves towards the PCB main board, the position of the guide block 22 and the connector deviates, in order to compensate the deviation of the guide block 22, the fixing assembly 21 includes an installation part 211 and a correction part 212, the installation part 211 is fixedly disposed on the moving plate 13, the correction part 212 is elastically disposed on the installation part 211, the fixing part 241 of the elastic positioning pin 24 is fixedly disposed on the correction part 212, and the elastic part 242 of the elastic positioning pin 24 is fixedly disposed on the guide block 22, and since the correction part 212 is elastically connected with the installation part 211, the correction part 212 can move laterally to drive the guide block 22 to move laterally to compensate the deviation of the guide block 22 and the connector. The probe 23 is fixedly disposed on the calibration member 212, so that the calibration member 212 can drive the probe 23 to move simultaneously while moving transversely.

More specifically, the mounting member 211 includes an upper mounting plate 2111 and a lower mounting plate 2112, the correcting member 212 is elastically coupled to the lower fixing plate, and the moving plate 13 is interposed between the upper mounting plate 2111 and the lower mounting plate 2112, so that the mounting member 211 is more conveniently fixed to the moving plate 13.

More specifically, as shown in fig. 2 and 4, the correcting member 212 includes a slider 2121, a plurality of screws 2122, and a plurality of springs 2123, and a positioning portion 2112a is provided on the lower mounting plate 2112. The spring 2123 is disposed between the lower mounting plate 2112 and the slider 2121, the lower mounting plate 2112 is provided with a stepped hole, one end of the spring 2123 abuts against the step of the stepped hole, the other end abuts against the slider 2121, one end of the screw 2122 is fixedly connected to the slider 2121, and the other end of the screw can be located in the positioning portion 2112a under the acting force of the spring 2123. When there is no position deviation after the guide block 22 abuts against the connector, the screw 2122 is limited in the positioning portion 2112a, so as to ensure that the probe 23 can accurately abut against the PIN of the connector. When the position of the guide block 22 abutting the connector deviates, the guide block 22 can make the screw 2122 disengage from the positioning portion 2112a against the biasing force of the spring 2123, and the screw 2122 has a certain amount of lateral movement after disengaging from the positioning portion 2112a, so that the slider 2121 can move laterally, and since the fixing portion 241 of the elastic positioning pin 24 is fixedly connected to the slider 2121 and the probe 23 is fixedly arranged on the slider 2121, the slider 2121 can drive the guide block 22 and the probe 23 to move laterally at the same time to eliminate the positional deviation. Further, the height of the plurality of screws 2122 is the same to ensure that the slider 2121 does not tilt. It is understood that the stepped hole includes a first hole and a second hole of the stopper spring 2123, and the diameter of the second hole is larger than that of the first hole, so that the stepped hole has a step to enable the spring 2123 to abut against the step. The screw 2122 includes a nut that is captured within the locator portion 2112a when installed, an intermediate portion that is disposed within the first and second holes, and a connecting portion that is fixedly coupled to the slider 2121, with the first hole having a diameter that is greater than the diameter of the intermediate portion, such that the screw 2122 has a lateral displacement within the lower mounting plate 2112 when the nut is disengaged from the locator portion 2112 a.

More specifically, as shown in fig. 4-5, the positioning portion 2112a is a tapered groove, and the end of the screw 2122 connected to the lower mounting plate 2112 is provided with a tapered portion, and when the slider 2121 is under the force of the spring 2123, the tapered groove can be engaged with the tapered portion, so that the position of the guide block 22 abutting against the connector is accurate.

Specifically, with continued reference to fig. 2, in order to keep the relative positions of the slider 22 and the slider 2121 unchanged, the slider 2121 is provided with guide projections 2121b, and the slider 22 is provided with guide grooves 221, and when the slider 22 is moved under the reaction force of the connector, the guide projections 2121b can be slidably inserted into the guide grooves 221 to relatively fix the positions of the slider 2121 and the slider 22, thereby improving the accuracy of the connector testing apparatus. It will be appreciated that the slider 2121 is provided with the guide groove 221, and the guide block 22 is provided with the guide projection 2121b, and the same function as described above can be achieved.

More specifically, an end of the guide protrusion 2121b facing the guide groove 221 is provided with an outer chamfer, and an end of the guide groove 221 facing the guide protrusion 2121b is provided with an inner chamfer, so that when the guide protrusion 2121b is slidably inserted into the guide groove 221, the outer chamfer of the guide protrusion 2121b and the inner chamfer of the guide groove 221 have a guiding function, so that the guide protrusion 2121b is inserted into the guide groove 221 more smoothly.

Specifically, as shown in fig. 6, in order to facilitate the installation of the elastic positioning pin 24 and improve the installation accuracy, the floating block 2121 is provided with an installation hole 2121a, the fixing portion 241 of the elastic positioning pin 24 is fixedly arranged in the installation hole 2121a, and the fixing portion 241 and the installation hole 2121a are in interference fit to fixedly connect the elastic positioning pin 24 and the floating block 2121.

Furthermore, the slider 2121 is further provided with a limiting hole 2121c, the limiting hole 2121c is communicated with the mounting hole 2121a, the diameter of the limiting hole 2121c is larger than that of the mounting hole 2121a, so that a stepped portion is formed at the connection position of the limiting hole 2121c and the mounting hole 2121a, the elastic positioning pin 24 further comprises an abutting portion 243, and when the elastic positioning pin 24 is mounted on the slider 2121, the abutting portion 243 abuts against the stepped portion to limit the position of the elastic positioning pin 24, and the guide block 22 is ensured to be perpendicular to the elastic positioning pin 24.

In this embodiment, the probe modules 2 can configure the probe modules 2 with the same number as the number of the connectors according to the number of the connectors on the PCB motherboard, so as to implement the performance test of the connector testing device on a plurality of connectors at the same time, thereby improving the testing efficiency.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A connector testing apparatus, comprising:

a drive mechanism (1);

the probe module (2) comprises a fixing component (21), a guide block (22), a probe (23) and a plurality of elastic positioning pins (24), the fixed component (21) is arranged at the output end of the driving mechanism (1), one end of the probe (23) is fixedly arranged on the fixed component (21), the other end is arranged in the guide block (22) in a sliding manner, the guide block (22) is elastically connected with one side of the fixing component (21) departing from the driving mechanism (1) through a plurality of elastic positioning needles (24), the drive mechanism (1) is capable of driving the fixing component (21) to move towards the connector, the reaction force of the connector to the guide block (22) can move the guide block (22) in the opposite direction to expose the probe (23) out of the guide block (22) and make contact with the PIN leg of the connector.

2. Connector testing device according to claim 1, characterized in that the fixing assembly (21) comprises a mounting member (211) and a correcting member (212), the mounting member (211) is fixedly arranged at the output end of the driving mechanism (1), the correcting member (212) is elastically arranged on the mounting member (211), the elastic positioning pin (24) is fixedly arranged on the correcting member (212), and the correcting member (212) can correct the positions of the guide block (22) and the probe (23).

3. Connector testing device according to claim 2, wherein the correction member (212) comprises a slider (2121), a plurality of screws (2122) and a plurality of springs (2123), one end of the screw (2122) is fixedly connected with the floating block (2121), the mounting piece (211) is provided with a positioning part (2112a), the other end of the screw (2122) is located in the positioning portion (2112a) at the lower limit of the urging force of the spring (2123), and the reaction force of the connector to the guide block (22) enables the slider (2121) to disengage the other end of the screw (2122) from the positioning portion (2112a) against the urging force of the spring (2123), and one side of the elastic positioning needle (24) departing from the guide block (22) is fixedly connected with the floating block (2121), and the probe (23) is fixedly arranged on the floating block (2121).

4. Connector testing device according to claim 3, characterized in that the positioning part (2112a) is a tapered groove, and the end of the screw (2122) connected to the mounting part (211) is provided with a tapered part (2122a), the tapered part (2122a) being able to abut against the tapered groove.

5. The connector testing device according to claim 3, wherein the slider (2121) is provided with a mounting hole (2121a), the elastic positioning pin (24) is fixedly arranged in the mounting hole (2121a), and the elastic positioning pin (24) and the mounting hole (2121a) are in interference fit.

6. Connector testing device according to claim 3, characterized in that one of the slider (2121) and the guide block (22) is provided with a guide projection (2121b) and the other is provided with a guide groove (221), the guide projection (2121b) being slidably inserted into the guide groove (221).

7. The connector testing device according to claim 2, wherein the mounting member (211) includes an upper mounting plate (2111) and a lower mounting plate (2112), the aligning member (212) is elastically attached to the lower mounting plate (2112), and the upper mounting plate (2111) and the lower mounting plate (2112) simultaneously sandwich an output end of the driving mechanism (1).

8. The connector testing device according to claim 1, wherein the driving mechanism (1) comprises a mounting frame (11), a driving member (12) and a moving plate (13), the driving member (12) is fixedly arranged on the mounting frame (11), the moving plate (13) is fixedly arranged at an output end of the driving member (12), and the fixing assembly (21) is arranged on the moving plate (13).

9. Connector testing device according to claim 8, wherein the drive mechanism (1) further comprises a guiding assembly (14), the guiding assembly (14) being adapted to guide the movement of the moving plate (13).

10. The connector testing device according to claim 9, wherein the guiding assembly (14) comprises a guiding plate (141) and a guiding column (142), the guiding plate (141) is fixedly arranged on the mounting frame (11), the guiding column (142) is fixedly arranged on the moving plate (13), a sliding hole is arranged on the guiding plate (141), and the guiding column (142) is slidably arranged in the sliding hole.