CN215728257U

CN215728257U - Pogo block switching structure

Info

Publication number: CN215728257U
Application number: CN202121214881.9U
Authority: CN
Inventors: 董石雷; 周童; 郗旭斌; 李峰; 周天树
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-02-01
Anticipated expiration: 2031-06-02

Abstract

The utility model aims to provide a pogo block switching structure which is simple in structure, small in occupied space and good in test effect. The portable testing device comprises a support plate, a pogo block needle block, a fixing block and a flexible flat cable, wherein the pogo block needle block and the fixing block are arranged on the support plate, one end of the flexible flat cable is arranged at the lower end of the pogo block needle block, the other end of the flexible flat cable is arranged at the lower end of the fixing block, a plurality of connecting probes connected with the flexible flat cable are arranged in the pogo block needle block, a plurality of switching trocars are arranged in the fixing block, the lower ends of the switching trocars penetrate through the flexible flat cable and are connected with the flexible flat cable, a needle plate module is arranged below the support plate, a plurality of testing probes are arranged on the needle plate module, the upper ends of the testing probes penetrate through the support plate and are matched with the switching trocars, and the lower ends of the testing probes are connected with a WIB board. The utility model can be applied to the technical field of switching structures.

Description

Pogo block switching structure

Technical Field

The utility model relates to the technical field of switching structures, in particular to a pogo block switching structure.

Background

In today's electronic test industry, many test signal products need to be switched in order to meet the requirements of test functions. The conventional pogo block switching mode is generally that a flexible flat cable is adopted to directly connect the pogo block with the WIB board, so that communication between the test board card and the WIB board is realized. The structure seems to be simple, but when the relative movement between some test products and the WIB board is large, a plurality of problems occur to the structure, for example, the flexible flat cable is too long, the problem that the flexible flat cable interferes with the moving part occurs, and the flexible flat cable is damaged, so that the test cannot be performed or the test is inaccurate. If the situation is to be avoided, other auxiliary components, such as a drag chain, etc., are added. Not only does this increase the complexity of the structure, but also auxiliary components such as drag chains also require a certain space for movement and installation, which may also make the overall size of the machine station large. Therefore, a pogo block switching structure with a simple structure, a small occupied space and a good test effect is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a pogo block switching structure which is simple in structure, small in occupied space and good in test effect.

The technical scheme adopted by the utility model is as follows: the portable testing device comprises a support plate, a pogo block needle block, a fixing block and a flexible flat cable, wherein the pogo block needle block and the fixing block are arranged on the support plate, one end of the flexible flat cable is arranged at the lower end of the pogo block needle block, the other end of the flexible flat cable is arranged at the lower end of the fixing block, a plurality of connecting probes connected with the flexible flat cable are arranged in the pogo block needle block, a plurality of switching trocars are arranged in the fixing block, the lower ends of the switching trocars penetrate through the flexible flat cable and are connected with the flexible flat cable, a needle plate module is arranged below the support plate, a plurality of testing probes are arranged on the needle plate module, the upper ends of the testing probes penetrate through the support plate and are matched with the switching trocars, and the lower ends of the testing probes are connected with a WIB board.

Further, the needle plate module comprises a butt joint plate, a guide block is arranged on the butt joint plate, the test probe is arranged on the guide block, the WIB plate is located below the butt joint plate, the upper end of the test probe penetrates through the guide block and is matched with the transfer trocar, and the lower end of the test probe penetrates through the guide block and the butt joint plate and is matched with the WIB plate.

Furthermore, the lower extreme of support plate has seted up the guide way, the guide way with guide block looks adaptation.

Further, pogo block needle piece includes the probe card, be equipped with the groove of floating on the probe card, it is provided with the probe piece to float the inslot, connection probe sets up in the probe piece, it still is provided with a plurality of expanding spring to float the inslot, the cover is equipped with the connecting sleeve seat on the probe piece, the connecting sleeve seat with unsteady groove looks adaptation and lower extreme with expanding spring cooperatees, the cover is equipped with the limiting plate on the connecting sleeve seat, the limiting plate with the probe card is connected, the lower extreme of probe card is provided with the power clamp, the one end of soft arranging wire is located the power clamp with between the probe card, connection probe's lower extreme passes the probe piece and with the soft arranging wire is connected.

Furthermore, guide posts are arranged on two sides of the probe block, and positioning holes matched with the guide posts are arranged on two sides of the connecting sleeve seat and two sides of the clamping plate.

Furthermore, the lower extreme of fixed block has been seted up and has been compressed tightly the groove, compress tightly the inslot and be provided with thimble board and pressure strip, the switching trocar sets up on the thimble board, the one end of soft winding displacement is connected on the thimble board, the thimble board be located the fixed block with between the pressure strip, set up on the pressure strip a plurality of with the guiding hole of switching trocar looks adaptation, the guiding hole with test probe looks adaptation.

The utility model has the beneficial effects that: according to the utility model, the pogo block needle block and the fixed block are arranged on the support plate, the connecting probes are arranged in the pogo block needle block, the transfer sleeve needles are arranged on the fixed block, two ends of the flexible flat cable are respectively connected with the connecting probes and the transfer sleeve needles, the needle plate module is arranged below the support plate, two ends of the testing probes on the needle plate module are respectively connected with the transfer sleeve needles and the WIB board, so that the WIB board is connected with the connecting probes, therefore, the support plate is only required to be butted with the needle plate module during testing, the testing probes are inserted into the transfer sleeve needles, and the transfer testing can be realized by connecting the pogo block needle block with the product go. Therefore, the utility model has simple integral structure, does not need to install auxiliary parts, has compact structure and small occupied space, can avoid the damage of the flexible flat cable because the flexible flat cable does not interfere with the movement during butt joint, ensures the accuracy of the test and has better test effect.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

Detailed Description

As shown in fig. 1 to 5, in this embodiment, the present invention includes a carrier plate 1, a pogo block needle block 2, a fixed block 3, and a flexible flat cable 4, wherein the pogo block needle block 2 and the fixed block 3 are both disposed on the carrier plate 1, one end of the flexible flat cable 4 is disposed at the lower end of the pogo block needle block 2, the other end of the flexible flat cable 4 is disposed at the lower end of the fixed block 3, a plurality of connection probes 21 connected to the flexible flat cable 4 are disposed in the pogo block needle block 2, a plurality of adapter sleeve needles 5 are disposed in the fixed block 3, the lower end of the adapter sleeve needle 5 passes through the flexible flat cable 4 and is connected to the flexible flat cable 4, a needle plate module 6 is disposed below the carrier plate 1, a plurality of test probes 61 are disposed on the needle plate module 6, and the upper ends of the test probes 61 pass through the carrier plate 1 and are adapted to the adapter sleeve needles 5, the lower end of the test probe 61 is connected to the WIB board 7. The two ends of the flexible flat cable 4 are respectively fixed on the support plate 1 by the pogo block needle block 2 and the fixed block 3, a connecting probe 21 is arranged in the pogo block needle block 2, the lower end of the connecting probe 21 is connected with the flexible flat cable 4, the upper end of the connecting probe 21 is exposed and used for being connected with a product, a switching sleeve needle 5 is arranged in the fixed block 3, the lower end of the switching sleeve needle penetrates through the fixed block 3 and the support plate 1, the needle plate module 6 is located below the support plate 1, the test probe 61 is arranged on the needle plate module 6, the upper end of the test probe 61 is sleeved with the switching sleeve needle 5 to realize connection, and the lower end of the test probe 61 is connected with the WIB plate 7 to realize conduction between the WIB plate 7 and the product, so that the test can be carried out. Therefore, the utility model has simple integral structure, does not need to install auxiliary parts, has compact structure and small occupied space, can avoid the damage of the flexible flat cable 4 because the flexible flat cable 4 does not interfere with movement during butt joint, ensures the accuracy of the test and has better test effect.

In this embodiment, the needle board module 6 includes a docking plate 62, a guide block 63 is disposed on the docking plate 62, the test probe 61 is disposed on the guide block 63, the WIB board 7 is located below the docking plate 62, an upper end of the test probe 61 passes through the guide block 63 and is engaged with the adapting trocar 5, and a lower end of the test probe 61 passes through the guide block 63 and the docking plate 62 and is engaged with the WIB board 7. The needle plate module 6 is composed of a butt joint plate 62 and a guide block 63, the guide block 63 is arranged on the butt joint plate 62, the test probe 61 is fixed on the guide block 63, during butt joint, the upper end of the test probe 61 is inserted into the butt joint trocar to realize connection, and the lower end of the test probe 61 is in contact with the butt joint terminal of the WIB plate 7 to realize connection, so that communication between a product and the WIB plate 7 is realized, and the test is ensured.

In this embodiment, the lower end of the carrier plate 1 is provided with a guide groove 8, and the guide groove 8 is adapted to the guide block 63. The guide groove 8 is matched with the guide block 63, when in butt joint, the guide block 63 is embedded into the guide groove 8, and the guide groove 8 plays a role in guiding and limiting the guide block 63 so as to ensure that the test probe 61 is in butt joint with the adapter sleeve to complete connection.

In this embodiment, pogo block needle block 2 includes probe card 22, be equipped with floating groove on probe card 22, floating inslot is provided with probe block 23, connecting probe 21 sets up in probe block 23, floating inslot still is provided with a plurality of expanding spring 24, the cover is equipped with connecting sleeve seat 25 on probe block 23, connecting sleeve seat 25 with floating groove looks adaptation and lower extreme with expanding spring 24 cooperatees, the cover is equipped with limiting plate 26 on connecting sleeve seat 25, limiting plate 26 with probe card 22 is connected, probe card 22's lower extreme is provided with clamp plate 27, the one end of soft winding displacement 4 is located clamp plate 27 with between the probe card 22, connecting probe 21's lower extreme passes probe block 23 and with soft winding displacement 4 is connected. The probe board 22 is a mounting substrate, a floating groove is formed in the probe board 22, the probe block 23 is arranged in the floating groove, four expansion springs 24 are further arranged on the floating groove, the four expansion springs 24 are arranged around the probe block 23, the probe block 23 is sleeved with the connecting sleeve seat 25, the probe block 23 is in clearance fit with the connecting sleeve seat 25, the limiting plate 26 is sleeved on the connecting sleeve seat 25 and is in clearance fit with the connecting sleeve seat 25, two ends of the limiting plate 26 are fixedly connected with the probe board 22 to limit the movement of the connecting sleeve seat 25, the four expansion springs 24 are positioned between the connecting sleeve seat 25 and the probe board 22 to enable the connecting sleeve seat 25 to have a floating effect, the upper end of the connecting sleeve seat 25 is connected with a product, and during butt joint, the connecting probe 21 is opposite to the butt joint position of the product, and is not hard contact when in butt joint so as to avoid damaging products or connecting probes 21, and the clamping plate 27 is used for clamping and fixing the flexible flat cable 4 below the probe card 22 so as to ensure the connection between the connecting probes 21 and the flexible flat cable 4.

In this embodiment, guide posts 28 are disposed on two sides of the probe block 23, and positioning holes 29 adapted to the guide posts 28 are disposed on two sides of the connecting sleeve seat 25 and two sides of the clamping plate 27. The guide posts 28 penetrate through the probe block 23, the connecting sleeve seat 25 is sleeved on the guide posts 28 and the probe block 23 through the positioning holes 29 on the two sides, the wire clamping plate 27 is sleeved on the lower ends of the two guide posts 28 through the positioning holes 29 on the two sides, and the connecting sleeve seat 25 and the wire clamping plate 27 can be conveniently installed and positioned through the matching between the positioning holes 29 and the guide posts 28.

In this embodiment, a pressing groove 31 is formed at the lower end of the fixing block 3, an thimble plate 32 and a pressing plate 33 are arranged in the pressing groove 31, the transfer trocar 5 is arranged on the thimble plate 32, one end of the flexible flat cable 4 is connected to the thimble plate 32, the thimble plate 32 is located between the fixing block 3 and the pressing plate 33, a plurality of guide holes 34 matched with the transfer trocar 5 are formed in the pressing plate 33, and the guide holes 34 are matched with the test probes 61. One end of the flexible flat cable 4 is fixed on the thimble plate 32, the switching trocar 5 is also fixed on the thimble plate 32 and connected with the flexible flat cable 4, the thimble plate 32 is pressed and fixed in the pressing groove 31 by the pressing plate 33, so that the flexible flat cable 4 is fixed, and the guide hole 34 on the pressing plate 33 corresponds to the switching trocar 5, so that the test probe 61 can be guided during butt joint, and the butt joint is facilitated.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. The utility model provides a pogo block switching structure which characterized in that: the multifunctional flat cable testing device comprises a support plate (1), a pogo block needle block (2), a fixing block (3) and a flexible flat cable (4), wherein the pogo block needle block (2) and the fixing block (3) are arranged on the support plate (1), one end of the flexible flat cable (4) is arranged at the lower end of the pogo block needle block (2), the other end of the flexible flat cable (4) is arranged at the lower end of the fixing block (3), a plurality of connecting probes (21) connected with the flexible flat cable (4) are arranged in the pogo block needle block (2), a plurality of switching sleeve needles (5) are arranged in the fixing block (3), the lower end of each switching sleeve needle (5) penetrates through the flexible flat cable (4) and is connected with the flexible flat cable (4), a needle plate module (6) is arranged below the support plate (1), a plurality of testing probes (61) are arranged on the needle plate module (6), the upper end of the test probe (61) penetrates through the carrier plate (1) to be matched with the transfer trocar (5), and the lower end of the test probe (61) is connected with the WIB board (7).

2. The pogo block switching fabric of claim 1, wherein: the needle plate module (6) comprises a butt plate (62), a guide block (63) is arranged on the butt plate (62), the test probe (61) is arranged on the guide block (63), the WIB plate (7) is positioned below the butt plate (62), the upper end of the test probe (61) penetrates through the guide block (63) and is matched with the transfer trocar (5), and the lower end of the test probe (61) penetrates through the guide block (63) and the butt plate (62) and is matched with the WIB plate (7).

3. The pogo block switching fabric of claim 2, wherein: the lower end of the carrier plate (1) is provided with a guide groove (8), and the guide groove (8) is matched with the guide block (63).

4. The pogo block switching fabric of claim 1, wherein: the pogo block needle block (2) comprises a probe card (22), a floating groove is arranged on the probe card (22), a probe block (23) is arranged in the floating groove, the connecting probe (21) is arranged in the probe block (23), a plurality of extension springs (24) are also arranged in the floating groove, a connecting sleeve seat (25) is sleeved on the probe block (23), the connecting sleeve seat (25) is matched with the floating groove, the lower end of the connecting sleeve seat is matched with the telescopic spring (24), a limiting plate (26) is sleeved on the connecting sleeve seat (25), the limiting plate (26) is connected with the probe board (22), the lower end of the probe board (22) is provided with a clamping board (27), one end of the flexible flat cable (4) is positioned between the clamping board (27) and the probe board (22), the lower end of the connecting probe (21) penetrates through the probe block (23) and is connected with the flexible flat cable (4).

5. The pogo block switching fabric of claim 4, wherein: guide columns (28) are arranged on two sides of the probe block (23), and positioning holes (29) matched with the guide columns (28) are formed in two sides of the connecting sleeve seat (25) and two sides of the clamping plate (27).

6. The pogo block switching fabric of claim 1, wherein: the lower extreme of fixed block (3) has been seted up and has been compressed tightly groove (31), it is provided with thimble board (32) and pressure strip (33) in compressing tightly groove (31), switching trocar (5) set up on thimble board (32), the one end of soft arranging wire (4) is connected on thimble board (32), thimble board (32) are located fixed block (3) with between pressure strip (33), seted up on pressure strip (33) a plurality of with guiding hole (34) of switching trocar (5) looks adaptation, guiding hole (34) with test probe (61) looks adaptation.