CN214068937U - PCBA B2B Connector switching structure - Google Patents

Abstract

The utility model discloses a PCBA B2B Connector switching structure, which comprises a base, a switching plate, a product carrier plate, a B2B Connector female seat, a supporting plate, a hard conductive rod, a conductive rod socket and an elastic conductive body, wherein the switching plate is arranged on the base, the product carrier plate is opposite to and elastically connected with the base from top to bottom, the product carrier plate is provided with a placing groove, the placing groove is provided with a counter bore, the B2B Connector female seat is arranged in the placing groove, the B2B Connector female seat is provided with a clamping groove, an elastic conductive clamping piece is arranged in the clamping groove, the supporting plate is clamped between the switching plate and the product carrier plate, the supporting plate is provided with a first through hole coaxial with the counter bore, the elastic conductive body is clamped between the supporting plate and the switching plate, the conductive rod socket is fixedly penetrated through the counter bore and the first through hole, the conductive rod socket is provided with a through jack, the through jack is inserted with the hard conductive rod, the upper end of the hard conductive rod is clamped between two elastic conductive clamping pieces, the PCBA B2B Connector adapter structure is beneficial to improving the stability and the service life of the hard conductive rod.

Description

PCBA B2B Connector switching structure

Technical Field

The utility model relates to an electronic product test technical field, concretely relates to PCBA B2B Connector switching structure.

Background

With the progress of science and technology, the manufacturing technology of the electronic product industry is rapidly developed, the requirement on the automation degree in the production process is higher and higher, and under the environment background, the testing process of the electronic product becomes more and more important for ensuring the quality. The PCBA mainboard is absolutely the core component with the highest technical content in the whole product of the high-tech electronic product PCBA, especially small electronic equipment such as a mobile phone, and before the PCBA mainboard is not installed, strict testing is an important link for ensuring the function and the quality of the PCBA.

The PCBA in the small electronic product mainly uses the B2B Connector to realize communication connection with other functional components, and with the current technological progress, the PCBA functions more and more strongly, and more functional components are required to be connected with the PCBA, so the B2B Connector has smaller and smaller volume, and the position of the Connector on the PCBA is more compact. The PCBA test mainly requires the connection structure to connect the Connector on the PCBA, and further, the signal of the Connector is connected to communicate, and how to effectively and stably connect the B2B Connector by the adapter module is the key to the test.

In the industry, B2B connectors have the problems of small volume, more signal points, space layout and the like due to the fact that sometimes two or three connectors are laid out together, and due to the difficulties, effective and stable communication of the B2B connectors is difficult.

The switching mode that generally adopts in the trade at present has 1, double-end probe switching: 2. switching the elastic sheet probe: even some products are not provided with the structure, and are directly fastened by a flexible flat cable (FPC) in a manual mode. The switching module still has following several problems in the actual use at present:

1. unstable contact conduction

2. The module is bulky, and the layout cannot be performed when the Connector is close to the PCBA.

3. The module structure is complicated, and the preparation part is many, and the cost of manufacture is high.

4. Because double-end probe and shell fragment probe are all from taking elasticity, and use UNICOM Connector probe self less, so life is short, causes the module contact failure with Connector contact end easy bending deformation.

5. Because there is certain position error when B2B Connector paster welding on the PCBA, current module floating product support plate can freely beat the counterpoint by X/Y, but double-end probe and shell fragment probe are all fixed, cause the floating product support plate to press down the buckling probe after the beat easily.

6. Since each B2B Connector on the PCBA corresponds to a floating product carrier plate and probe, a corresponding press bar is required under the back of the PCBA during testing, and the PCBA is similarly subjected to corresponding stresses.

7. The maintenance cost is high.

8. The soft flat cable (FPC) real buckle connection can not realize automatic testing, the real buckle easily damages the product and the B2B Connector of the soft flat cable (FPC), the service life is short, the loss of the soft flat cable (FPC) is serious, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCBA B2B Connector switching structure helps improving the stability and the life of stereoplasm conducting rod.

In order to achieve the above purpose, the present application discloses a PCBA B2B Connector adapting structure, which includes a base, an adapting plate, a product carrier plate, a B2B Connector female seat, a supporting plate, a hard conductive rod, a conductive rod socket and an elastic conductor; the base is provided with a horizontal base surface; the adapter plate is fixedly arranged on the horizontal base surface; the product carrier plate is vertically opposite to and elastically connected with the base, the upper surface of the product carrier plate is provided with a placing groove, and the placing groove is provided with a counter bore; the B2B Connector female seat is arranged in the placing groove, the B2B Connector female seat is provided with at least one group of clamping grooves, and two opposite side walls in the clamping grooves are provided with elastic conductive clamping pieces; the supporting plate is clamped between the adapter plate and the product carrier plate and is opposite to the placing groove up and down, and the supporting plate is provided with a first through hole coaxial with the counter bore; the elastic conductor is clamped between the supporting plate and the adapter plate and is vertically opposite to the counter bore and the first through hole; the conducting rod socket is arranged in the counter bore and the first through hole in a penetrating mode, the conducting rod socket is provided with a plurality of penetrating jacks, and each penetrating jack is inserted with a hard conducting rod; the upper end of the hard conducting rod is clamped between the two elastic conducting clamping pieces, and the lower end of the hard conducting rod is pressed on the upper surface of the elastic conductor.

Based on the above, before the PCBA B2B Connector adapter structure is tested, firstly, the PCBA of the tested mainboard is placed in the placement groove; then, firstly, uniformly and slightly applying external force above the PCBA to be tested, so that the upper end of the hard conductive rod is inserted into the B2B Connector female seat, and the hard conductive rod is conducted with the metal PIN on the B2B Connector female seat, wherein the applied external force can be any form of prepressing structure above the PCBA; and finally, applying an external force above the product carrier plate to enable the product carrier plate to be downwards pressed with the PCBA to be tested, wherein the product carrier plate is in a bounce state in an initial state, and the hard conductive rod is electrically communicated with the adapter plate in the process that the product carrier plate is downwards pressed with the PCBA to be tested, so that the test can be carried out.

Preferably, the elastic conductor comprises a pressing plate and an elastic conducting strip which are clamped between the supporting plate and the adapter plate from top to bottom, the pressing plate is provided with a second through hole which is used for installing the elastic conducting strip and is coaxial with the counter bore, and the lower end of the hard conducting rod is pressed on the elastic conducting strip in a supporting manner.

Preferably, the elastic conductive sheet is a conductive rubber sheet.

Preferably, the hard conductive rod is a metal rod body.

Preferably, the second through hole is a stepped hole, the caliber of the upper part of the second through hole is smaller than that of the lower part of the second through hole, the lower part of the second through hole is matched with the elastic conductive sheet, and the upper part of the second through hole is matched with the lower part of the conductive rod socket.

Preferably, the conducting rod socket comprises an upper cover and a lower cover, the upper cover is in cover fit with the upper cover, the upper cover comprises a first annular body and a second annular body fixedly sleeved on the outer side of the lower portion of the first annular body, a stepped hole is formed in the inner annular wall of the first annular body, the bottom annular wall of the first annular body and the inner annular wall of the second annular body, the lower cover comprises a third annular body and a fourth annular body, the third annular body is inserted into the stepped hole and matched with the upper portion of the second through hole, inserting discs are arranged on the inner side of the first annular body and the inner side of the fourth annular body, and each inserting disc is provided with a plurality of through insertion holes.

Preferably, the counter bore and the conductive rod socket are in clearance fit.

Preferably, a groove is defined between the upper cover and an inserting disc positioned in the upper cover, and the B2B Connector female seat is in clearance fit with the groove.

Preferably, the interposer is a PCB or FPC.

Preferably, the corner of the product carrier plate is provided with a threaded through hole, the corner of the base is provided with a blind hole coaxial with the threaded through hole, a second elastic body is arranged in the blind hole, and the product carrier plate and the base are matched with the threaded through hole and the blind hole and are elastically connected with the second elastic body in a pressing fit manner.

Compared with the prior art, the PCBA B2B Connector switching structure has the following advantages:

1. the space is saved, and the test device can adapt to the B2B Connector test of the high-density layout of the PCB of the mainboard.

2. Every B2B Connector's the excellent structure of metal that switches on is the independent structure, can freely swing, has overcome because the inaccurate problem of switching module location that B2B Connector paster welding error caused, and the design principle that the female seat of knot B2B Connector switched on, and the conduction test has more stably improved the test yield.

3. The stress borne by the tested mainboard PCB during testing is reduced, and the tested product is better protected.

4. The operation difficulty of taking and placing products is reduced, and the manipulator grabbing test is conveniently realized.

5. The service life is long, the manufacturing and maintenance cost is low, the field debugging is rapid, simple and convenient, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of a PCBA B2B Connector switching structure according to an embodiment of the present invention;

FIG. 2 is an angular exploded view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 from another angle;

FIG. 4 is a schematic view of the PCBA and B2B Connector female socket of FIG. 1;

FIG. 5 is a perspective view of the female B2B Connector socket of FIG. 2 mated with a rigid conductive rod;

FIG. 6 is a schematic view of the female B2B Connector seat and the rigid conductive rod of FIG. 5 in three different states;

FIG. 7 is a schematic view of a single rigid conductive rod of FIG. 2;

FIG. 8 is a schematic diagram of the elastomeric conductor of FIG. 3 in a split configuration;

FIG. 9 is a schematic diagram of the conductive rod socket of FIG. 3;

FIG. 10 is an exploded view of the conductive rod socket of FIG. 3;

FIG. 11 is a schematic view of the product carrier of FIG. 3 mated with the conductive rod receptacles;

fig. 12 is an enlarged view at a in fig. 10.

In the reference symbols:

the Connector comprises a base 1, a mounting groove 11, a screw 12, an adapter plate 2, a positioning column 21, a product carrier plate 3, a placement groove 31, a counter bore 32, a clamping groove 33, a positioning hole 34, a B2B Connector female seat 4, a clamping groove 41, an elastic conductive clamping piece 42, a supporting plate 5, a first through hole 51, a hard conductive rod 6, a conductive rod socket 7, an upper cover 71, a lower cover 72, an insertion plate 73, a through jack 74, a groove 75, a pressing plate 81, a second through hole 811, an elastic conductive sheet 82 and a PCBA 9.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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.

Referring to fig. 1 to 12, the present embodiment discloses a PCBA B2B Connector adapting structure, which includes a base 1, an adapting board 2, a product carrier board 3, a B2B Connector female seat 4, a supporting board 5, a rigid conductive rod 6, a conductive rod socket 7, and an elastic conductor.

Specifically, the base 1 has a horizontal base surface, the adapter plate 2 is fixedly arranged on the horizontal base surface, the adapter plate 2 is a PCB or FPC, the product carrier plate 3 is opposite to and elastically connected with the base 1, the upper surface of the product carrier plate 3 is provided with a placement groove 31, the placement groove 31 is provided with a counter bore 32, a B2B Connector female seat 4 is arranged in the placement groove 31, the B2B Connector female seat 4 is provided with at least one set of clamping grooves 41, two opposite side walls in the clamping grooves 41 are provided with elastic conductive clamping pieces 42, the support plate 5 is clamped between the adapter plate 2 and the product carrier plate 3 and opposite to the placement groove 31, the support plate 5 is provided with a first through hole 51 coaxial with the counter bore 32, the elastic conductive body is clamped between the support plate 5 and the adapter plate 2 and opposite to the counter bore 32 and the first through hole 51, the conductive rod socket 7 is arranged through the counter bore 32 and the first through hole 51, the conductive rod socket 7 is provided with a plurality of through jacks 74, each through jack 74 is inserted with a hard conductive rod 6, the diameter of the hard conducting rod 6 is smaller than the inner diameter of the through insertion hole 74, the upper end of the hard conducting rod 6 is clamped between the two elastic conducting clamping pieces 42, and the lower end of the hard conducting rod 6 is pressed against the upper surface of the elastic conductor.

Based on the above, before the PCBA B2B Connector adapter structure is tested, firstly, the tested motherboard PCBA9 is placed in the placement groove 31; then, an external force is uniformly and slightly applied above the PCBA9 to be tested, the upper end of the hard conductive rod 6 is inserted into the B2B Connector female seat 4, and the hard conductive rod 6 is conducted with the metal PIN on the B2B Connector female seat 4, wherein the applied external force can be any type of prepressing structure above the PCBA 9; finally, an external force is applied on the product carrier plate 3 to press down the product carrier plate 3 with the tested PCBA9, wherein the product carrier plate 3 is in a bounce state in an initial state, and the hard conductive rods 6 are electrically communicated with the adapter plate 2 in the process that the product carrier plate 3 with the tested PCBA9 is pressed down, so that the test can be performed.

As shown in fig. 2, an installation groove 11 matched with the adapter plate 2 is formed in the inner side of the edge of the upper surface of the base 1, the adapter plate 2 is clamped in the installation groove 11, and the fixing mode is simple and rapid.

In the present embodiment, the hard conductive rod 6 and the through insertion hole 74 may be in interference fit, transition fit, or clearance fit.

As shown in fig. 4, 5 and 6, each PCBA8 is provided with a plurality of B2B Connector female seats 4, two side walls of the clamping groove 41 of each B2B Connector female seat 4 are respectively provided with a plurality of elastic conductive clips 42 arranged in parallel, the upper end of the hard conductive rod 6 is clamped between the two elastic conductive clips 42, the elastic conductive clips 42 are preferably copper or silver metal elastic sheets, the upper end of the hard conductive rod 6 is clamped by the elastic conductive clips 42, the hard conductive rod 6 can move horizontally, namely, the hard conductive rod 6 is positioned at the center of the two elastic conductive clips 42 or is closer to one of the elastic conductive clips 42, the elastic ratio of the elastic conductive clips 42 is smaller, the hard conductive rod 6 is effectively contacted and conducted after being clamped by the elastic conductive clips 42, and has no vertical elastic force, therefore, the PCBA8 to be tested is placed in the product carrier plate 3, and the PCBA8 is lightly pressed, so that the elastic conductive clips 42 of the B2B Connector female seat 4 clamp the hard conductive rods 6, and the test can be carried out.

As shown in fig. 7, the hard conductive rod 6 is a metal rod body, the cross section of the metal rod body is rectangular, circular or elliptical strip-shaped, and the metal rod body can be in a step shape or a straight rod shape.

As shown in fig. 3 and 8, the elastic conductor includes a pressing plate 81 and an elastic conductive sheet 82, which are clamped between the supporting plate 5 and the adaptor plate 2 from top to bottom, the pressing plate 81 is provided with a second through hole 811 for installing the elastic conductive sheet 82 and coaxial with the counterbore 32, and the lower end of the hard conductive rod 6 abuts against the elastic conductive sheet 82. Before testing, the lower end of the hard conducting rod 6 is directly pressed on the elastic conducting strip 82, the elastic conducting strip 82 has certain elasticity, and as long as the hard conducting rod 6 is conducted and pressed on the elastic conducting strip 82 to form effective contact, the elastic conducting strip 82 can transmit the signal of the hard conducting rod 6 to a golden finger of a PCB or an FPC. The elastic conductive sheet 82 is a commercially available conductive rubber sheet, and the conductive rubber sheet has good conductivity.

As shown in fig. 8, the second through hole 811 is a stepped hole, the diameter of the upper portion of the second through hole 811 is smaller than the diameter of the lower portion, the lower portion of the second through hole 811 is fitted to the elastic conductive sheet 82, and the upper portion of the second through hole 811 is fitted to the lower portion of the socket 7 of the rigid conductive rod 6.

As shown in fig. 9 and 10, the socket 7 of the hard conductive rod 6 includes an upper cover 71 and a lower cover 72 that is covered and matched with the upper cover 71, the upper cover 71 includes a first annular body and a second annular body that is fixedly sleeved on the outer side of the lower portion of the first annular body, the inner annular wall of the first annular body, the bottom annular wall of the first annular body and the inner annular wall of the second annular body form a stepped hole, the lower cover 72 includes a third annular body that is inserted and matched with the stepped hole and a fourth annular body that is inserted and matched with the upper portion of the second through hole 811, both the inner side of the first annular body and the inner side of the fourth annular body are provided with an insertion disc 73, and the insertion disc 73 is provided with a through insertion hole. The upper cover 71 and the lower cover 72 are connected by using frictional resistance, the connection structure is simple, the insertion discs 73 are arranged in the upper cover 71 and the lower cover 72, and the hard conducting rods 6 are better in stability due to the positioning of the double-through insertion holes 74.

As shown in fig. 5, 9, 11 and 12, the counter bore 32 is in clearance fit with the conductive rod socket 7, a groove 75 is defined between the upper cover 71 and the insertion disc 73 positioned in the upper cover 71, and the B2B Connector female seat 4 is in clearance fit with the groove 75, so that the hard conductive rod 6 together with the conductive rod socket 7 moves slightly to realize automatic alignment with the B2B Connector female seat 4 of the tested PCBA.

In the present embodiment, the cross-sections of the upper cover 71 and the lower cover 72 may be circular or square.

In this embodiment, in order to fix the supporting plate conveniently, the lower surface of the product supporting plate 3 is provided with a clamping groove 33 for installing the supporting plate, the shape of the clamping groove 33 is matched with that of the supporting plate, the supporting plate is clamped in the supporting plate, and the lower surface of the supporting plate is flush with the lower surface of the product supporting plate 3.

In the embodiment, the adapter plate 2 is provided with the positioning column 21, the product carrier plate 3 is provided with the positioning hole 34 adapted to the positioning column 21, and the positioning column 21 is matched with the positioning hole 34 to determine the installation direction and the installation position of the product carrier plate 3, so as to improve the installation efficiency.

In this embodiment, threaded through hole has been seted up at the edge of product support plate 3, the blind hole coaxial with threaded through hole is seted up at the edge of base 1, the blind hole is built-in to be equipped with the second elastomer, product support plate 3 and base 1 through with threaded through hole, blind hole cooperation and support pressure fit screw rod 12 elastic connection with the second elastomer, the preferred compression spring of second elastomer, when product support plate 3 receives to bulldoze, the compression spring compression, base 1 moves down, when product support plate 3 loses thrust, compression spring loses thrust and drives base 1 and move up.

In summary, the PCBA B2B Connector adapting structure provided by the embodiment has the following advantages:

1. the space is saved, and the test device can adapt to the B2B Connector test of the high-density layout of the PCB of the mainboard.

2. Every B2B Connector's the excellent structure of metal that switches on is the independent structure, can freely swing, has overcome because the inaccurate problem of switching module location that B2B Connector paster welding error caused, and the design principle that 4 seats of knot B2B Connector switched on, and the conduction test has more stably improved the test yield.

3. The stress borne by the tested mainboard PCB during testing is reduced, and the tested product is better protected.

4. The operation difficulty of taking and placing products is reduced, and the manipulator grabbing test is conveniently realized.

5. The service life is long, the manufacturing and maintenance cost is low, the field debugging is rapid, simple and convenient, and the maintenance is convenient.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A PCBA B2B Connector switching structure is characterized in that: the device comprises a base (1), an adapter plate (2), a product carrier plate (3), a B2B Connector female seat (4), a supporting plate (5), a hard conductive rod (6), a conductive rod socket (7) and an elastic conductor;

the base (1) is provided with a horizontal base surface;

the adapter plate (2) is fixedly arranged on the horizontal base surface;

the product carrier plate (3) is vertically opposite to and elastically connected with the base (1), a placing groove (31) is formed in the upper surface of the product carrier plate (3), and a counter bore (32) is formed in the placing groove (31);

the B2B Connector female seat (4) is arranged in the placing groove (31), the B2B Connector female seat (4) is provided with at least one group of clamping grooves (41), and two opposite side walls in the clamping grooves (41) are provided with elastic conductive clamping pieces (42);

the supporting plate (5) is clamped between the adapter plate (2) and the product carrier plate (3) and is opposite to the placing groove (31) up and down, and the supporting plate (5) is provided with a first through hole (51) coaxial with the counter bore (32);

the elastic conductor is clamped between the supporting plate (5) and the adapter plate (2) and is vertically opposite to the counter bore (32) and the first through hole (51);

the conducting rod socket (7) is arranged in the counter bore (32) and the first through hole (51) in a penetrating mode, the conducting rod socket (7) is provided with a plurality of penetrating jacks (74), and each penetrating jack (74) is inserted with a hard conducting rod (6);

the upper end of the hard conducting rod (6) is clamped between the two elastic conducting clamping pieces (42), and the lower end of the hard conducting rod (6) is pressed against the upper surface of the elastic conductor.

2. The PCBA B2B Connector switching structure as claimed in claim 1, wherein: the elastic conductor comprises a pressing plate (81) and an elastic conducting strip (82) which are clamped between the supporting plate (5) and the adapter plate (2) from top to bottom, the pressing plate (81) is provided with a second through hole (811) which is used for installing the elastic conducting strip (82) and is coaxial with the counter bore (32), and the lower end of the hard conducting rod (6) is abutted against the elastic conducting strip (82).

3. The PCBA B2B Connector switching structure as claimed in claim 2, wherein: the elastic conducting strip (82) is a conducting rubber sheet.

4. The PCBA B2B Connector switching structure according to claim 3, wherein: the hard conducting rod (6) is a metal rod body.

5. The PCBA B2B Connector switching structure according to claim 3, wherein: the second through hole (811) is a stepped hole, the caliber of the upper part of the second through hole (811) is smaller than that of the lower part, the lower part of the second through hole (811) is matched with the elastic conducting strip (82), and the upper part of the second through hole (811) is matched with the lower part of the conducting rod socket (7).

6. The PCBA B2B Connector switching structure as claimed in claim 1, wherein: the conducting rod socket (7) comprises an upper cover (71) and a lower cover (72) which is matched with the upper cover (71) in a covering mode, the upper cover (71) comprises a first annular body and a second annular body fixedly sleeved on the outer side of the lower portion of the first annular body, a stepped hole is formed in the inner ring wall of the first annular body, the bottom ring wall of the first annular body and the inner ring wall of the second annular body, the lower cover (72) comprises a third annular body which is inserted into the stepped hole and a fourth annular body which is inserted into the upper portion of a second through hole (811) in a matching mode, inserting discs (73) are arranged on the inner side of the first annular body and the inner side of the fourth annular body, and each inserting disc (73) is provided with a plurality of through insertion holes (74).

7. The PCBA B2B Connector switching structure according to claim 6, wherein: the counter bore (32) is in clearance fit with the conducting rod socket (7).

8. The PCBA B2B Connector adapter structure as claimed in claim 7, wherein: the upper cover (71) and the inserting disc (73) positioned in the upper cover (71) enclose a groove (75), and the B2B Connector female seat (4) is in clearance fit with the groove (75).

9. The PCBA B2B Connector switching structure as claimed in claim 1, wherein: the adapter plate (2) is a PCB or an FPC.

10. The PCBA B2B Connector switching structure as claimed in claim 1, wherein: the edge of the product carrier plate (3) is provided with a threaded through hole, the edge of the base (1) is provided with a blind hole coaxial with the threaded through hole, a second elastomer is arranged in the blind hole, and the product carrier plate (3) is matched with the base (1) through the threaded through hole and the blind hole and is elastically connected with the second elastomer in a pressing fit manner through a screw rod (12).

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