CN218412661U

CN218412661U - Probe connecting structure for PCB detection

Info

Publication number: CN218412661U
Application number: CN202222234843.0U
Authority: CN
Inventors: 张振清
Original assignee: Shenzhen Vicretek Electronic Technology Co ltd
Current assignee: Shenzhen Vicretek Electronic Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-31
Anticipated expiration: 2032-08-24

Abstract

The utility model belongs to the technical field of PCB detection, in particular to a probe connecting structure for PCB detection, which comprises a probe body, a double-shaft cylinder and a fixed plate; the sliding block is mounted on the fixed plate and has moving freedom in the horizontal direction, and the suspension mounting plate is elastically mounted below the sliding block and has moving freedom in the vertical direction; a mounting sleeve is fixed on the bottom surface of the suspension mounting plate; the probe body of the probe for PCB detection of the utility model is locked on the installation sleeve by the manual locking component, the installation is convenient, and the probe bodies with different specifications are convenient to disassemble and replace; suspension mounting panel and slider elastic connection, an expanding spring's initial elasticity also can be effectively controlled, when guaranteeing that probe body and PCB board reliable contact detect in order to realize, has still guaranteed the safety of the two, avoids damaging, has improved the security that detects and the precision that detects.

Description

Probe connecting structure for PCB detection

Technical Field

The utility model belongs to the technical field of the PCB detects, concretely relates to PCB detects uses probe connection structure.

Background

A PCB (printed circuit board), which is a printed circuit board for short, is one of important components in the electronic industry; almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, requires printed boards for electrical interconnection between the various components, provided that there are electronic components such as integrated circuits; the printed circuit board consists of an insulating base plate, a connecting wire and a bonding pad for assembling and welding electronic elements, and has the double functions of a conducting circuit and the insulating base plate; the circuit can replace complex wiring, realizes electrical connection among elements in the circuit, simplifies the assembly and welding work of electronic products, reduces the wiring workload in the traditional mode, and greatly lightens the labor intensity of workers; the volume of the whole machine is reduced, the product cost is reduced, the quality and the reliability of the electronic equipment are improved, the printed circuit board has good product consistency, and the standardized design can be adopted, so that the mechanization and the automation in the production process are favorably realized; meanwhile, the whole printed circuit board after assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole product are convenient.

The PCB is the core of electronic products such as a tablet personal computer and the like, is a carrier for electrically interconnecting electronic components, is crucial to detecting the PCB in the PCB processing process, and is used for detecting the short circuit and open circuit conditions of the PCB, and the probe detection is a mature technology for detecting the PCB.

In the actual use process, we find that the probes of the traditional PCB probe detection equipment are all rigidly installed by using bolts, and because the force application size is difficult to control, when the probes contact the PCB for detection, the probes are easy to damage due to overlarge pressure on the PCB, and the detection precision can be reduced due to too small pressure.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a PCB detects uses probe connection structure has convenient to use, easily installation, detects safety and detects the high characteristics of precision.

In order to achieve the above object, the utility model provides a following technical scheme: a probe connecting structure for PCB detection comprises a probe body, a double-shaft cylinder and a fixing plate, wherein the fixing plate is installed at the top end of a piston rod of the double-shaft cylinder; the sliding block is mounted on the fixed plate and has moving freedom in the horizontal direction, and the suspension mounting plate is elastically mounted below the sliding block and has moving freedom in the vertical direction; the bottom surface of suspension mounting panel is fixed with the installation sleeve pipe, the top embedding of probe body in the installation sleeve pipe, manual locking unit mount be used for fixing on the installation sleeve pipe the probe body.

As an optimal technical scheme of the utility model, still include a screw thread post seted up on the fixed plate and held the slide opening of slider, a screw thread post passes through the bearing and supports and transversely erect in the slide opening, just a screw thread post runs through the slider and close the mode soon through the screw thread with the slider links to each other the end fixing of a screw thread post has a knob.

As a preferred technical scheme of the utility model, still include a regular hexagon nut and an expanding spring the top surface of suspension mounting panel is fixed with and runs through No. two screw thread posts that the slider set up, a regular hexagon nut closes the mode through the screw soon and installs No. two screw thread posts stretch out to serve, an expanding spring cover is established No. two screw thread posts are last and are in the slider with between the suspension mounting panel.

As a preferred technical solution of the present invention, the probe body includes a clamping block, a connecting plate, a second regular hexagon nut, a second expansion spring and a fourth threaded post, the fourth threaded post is installed on the installation sleeve in a threaded screwing manner, the connecting plate is installed on an embedded end of the fourth threaded post by using a bearing to support and rotate, a third threaded post penetrating through the connecting plate is fixed on the clamping block, the second regular hexagon nut is installed on an extended end of the third threaded post in a threaded screwing manner, and the second expansion spring is sleeved on the third threaded post and located between the clamping block and the connecting plate; the surface of the clamping block is provided with an arc-shaped groove, and one end of the fourth threaded column, which is far away from the connecting plate, is fixed with a second knob.

As an optimized technical scheme of the utility model, the inner wall bonding of arc wall is fixed with the rubber inside lining.

Compared with the prior art, the beneficial effects of the utility model are that: the probe body of the probe for PCB detection of the utility model is locked on the installation sleeve by the manual locking component, the installation is convenient, and the probe bodies with different specifications are convenient to disassemble and replace; suspension mounting panel and slider elastic connection, an expanding spring's initial elasticity also can be effectively controlled, when guaranteeing probe body and PCB board reliable contact in order to realize detecting, still guaranteed the safety of the two, avoid damaging, improved the security that detects and the precision that detects.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the suspension mounting plate of the present invention;

fig. 3 is an enlarged schematic structural view of the manual locking assembly of the present invention;

in the figure: 1. a probe body; 2. a double-shaft cylinder; 3. a fixing plate; 4. a slider; 5. a slide hole; 6. a first threaded post; 7. a first knob; 8. a suspended mounting plate; 9. installing a sleeve; 10. a manual locking assembly; 11. a second threaded post; 12. a first regular hexagon nut; 13. a first expansion spring; 14. a clamping block; 15. a connecting plate; 16. a third threaded post; 17. a second regular hexagon nut; 18. a second expansion spring; 19. an arc-shaped slot; 20. a rubber lining; 21. a fourth threaded post; 22. and a second knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a probe connecting structure for PCB detection comprises a probe body 1, a double-shaft cylinder 2 and a fixing plate 3, wherein the fixing plate 3 is installed at the top end of a piston rod of the double-shaft cylinder 2; the device also comprises a sliding block 4, a suspension mounting plate 8 and a manual locking assembly 10, wherein the sliding block 4 is mounted on the fixed plate 3 and has a moving degree of freedom in the horizontal direction, and the suspension mounting plate 8 is elastically mounted below the sliding block 4 and has a moving degree of freedom in the vertical direction; the bottom surface of the suspension mounting plate 8 is fixed with a mounting sleeve 9, the top end of the probe body 1 is embedded into the mounting sleeve 9, the manual locking component 10 is mounted on the mounting sleeve 9 and used for fixing the probe body 1, when the probe is used, the double-shaft cylinder 2 provides power for the movement of the probe body 1, so that the probe body 1 can contact a PCB (printed circuit board) to realize detection, and the probe body 1 is mounted on the mounting sleeve 9 by using the manual locking component 10, so that the installation is convenient and rapid, and the probe bodies 1 with different specifications can be conveniently detached and replaced; 8 resilient mounting of suspension mounting panel in the below of slider 4 when guaranteeing that probe body 1 and PCB board reliable contact detect in order to realize, has still guaranteed the safety of the two, avoids damaging, has improved the security that detects and the precision that detects.

Specifically, according to the attached drawing 1, in this embodiment, still include a screw post 6, set up the slide opening 5 that can hold slider 4 on fixed plate 3, a screw post 6 transversely erects in slide opening 5 through the bearing support, and a screw post 6 runs through slider 4 and links to each other with slider 4 through the screw closure mode soon, there is a knob 7 at the end fixing of a screw post 6, rotate a knob 7 so that a screw post 6 is rotatory, under the screw closure effect, the horizontal position of adjustable slider 4, adjust the horizontal position of probe body 1 promptly, satisfy different detection needs, make probe body 1 reliably correspond the detection position of different specification PCB boards.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the probe further includes a first regular hexagon nut 12 and a first expansion spring 13, a second threaded post 11 penetrating through the slider 4 is fixed on the top surface of the suspension mounting plate 8, the first regular hexagon nut 12 is installed on the extending end of the second threaded post 11 in a threaded screwing manner, the first expansion spring 13 is sleeved on the second threaded post 11 and located between the slider 4 and the suspension mounting plate 8, the first expansion spring 13 realizes elastic connection between the suspension mounting plate 8 and the slider 4, and after the probe body 1 moves down to contact the PCB, the first expansion spring 13 contracts, so that while the probe body 1 is ensured to be in reliable contact with the PCB to realize detection, the safety of the probe body 1 and the PCB is ensured, damage is avoided, and the detection safety and detection accuracy are improved; in addition, the first hexagon nut 12 is rotated, and under the screwing action of the threads, the second thread column 11 moves, so that the initial elastic force of the first expansion spring 13 can be adjusted.

Specifically, according to fig. 1 and fig. 3, in this embodiment, the probe body 1 includes a clamping block 14, a connecting plate 15, a second regular hexagonal nut 17, a second expansion spring 18, and a fourth threaded post 21, the fourth threaded post 21 is installed on the installation sleeve 9 in a threaded screwing manner, the connecting plate 15 is rotatably installed on an embedded end of the fourth threaded post 21 by a bearing support, a third threaded post 16 penetrating the connecting plate 15 is fixed on the clamping block 14, the second regular hexagonal nut 17 is installed on an extended end of the third threaded post 16 in a threaded screwing manner, and the second expansion spring 18 is sleeved on the third threaded post 16 and is located between the clamping block 14 and the connecting plate 15; the surface of the clamping block 14 is provided with an arc-shaped groove 19, one end of the fourth threaded column 21, which is far away from the connecting plate 15, is fixed with a second knob 22, the top end of the probe body 1 is embedded into the mounting sleeve 9, then the second knob 22 is rotated to enable a third threaded column 16 to rotate, the third threaded column 16 pushes the connecting plate 15 to move under the screwing action of threads, the connecting plate 15 is utilized to drive the clamping block 14 to move, the clamping block 14 is matched with the inner wall of the mounting sleeve 9 to clamp the probe body 1, the stability of the probe body 1 is ensured, the installation is convenient, the probe bodies 1 with different specifications can be conveniently disassembled and replaced, and different detection requirements are met; the second expansion spring 18 has elasticity, and when the clamping block 14 is matched with the inner wall of the mounting sleeve 9 to clamp the probe body 1, the second expansion spring 18 contracts to ensure the safety of the probe body 1.

Specifically, as shown in fig. 1 and fig. 3, in this embodiment, a rubber lining 20 is fixed on the inner wall of the arc-shaped groove 19 in an adhesion manner, and the rubber lining 20 has flexibility, so as to ensure the safety of the probe body 1.

The utility model discloses a theory of operation and use flow: the utility model discloses a PCB detects and uses probe, when using, the power that provides probe body 1 by biax cylinder 2 and remove, make probe body 1 contact PCB board in order to realize detecting, probe body 1 utilizes manual locking subassembly 10 to install on installation sleeve 9, make the top of probe body 1 imbed in installation sleeve 9, later rotatory No. two knob 22 so that No. three screw post 16 rotates, make No. three screw post 16 push connecting plate 15 to remove under the screw thread closure effect, utilize connecting plate 15 to drive clamp splice 14 and remove, clamp splice 14 cooperation installation sleeve 9 inner wall clamps probe body 1, guarantee the stability of probe body 1, it is convenient to install, and also be convenient for dismantle the probe body 1 of changing different specifications, satisfy different detection needs; the second expansion spring 18 has elasticity, and when the clamping block 14 is matched with the inner wall of the mounting sleeve 9 to clamp the probe body 1, the second expansion spring 18 contracts, so that the safety and the convenience in mounting of the probe body 1 are ensured, and the probe bodies 1 with different specifications are convenient to disassemble and replace;

8 resilient mounting of suspension mounting panel in the below of slider 4, an expanding spring 13 has realized the elastic connection of suspension mounting panel 8 with slider 4, and after probe body 1 moved down the contact PCB board, an expanding spring 13 shrink when guaranteeing probe body 1 and PCB board reliable contact in order to realize detecting, has still guaranteed the safety of the two, avoids damaging, has improved the security that detects and the precision that detects.

In all examples shown and described herein, any particular value should be construed as exemplary only and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the terms in the present invention will be understood to those skilled in the art.

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

Claims

1. The utility model provides a PCB detects uses probe connection structure, includes probe body (1), biax cylinder (2) and fixed plate (3), its characterized in that: the fixed plate (3) is arranged at the top end of a piston rod of the double-shaft cylinder (2); the device is characterized by further comprising a sliding block (4), a suspension mounting plate (8) and a manual locking assembly (10), wherein the sliding block (4) is mounted on the fixing plate (3) and has a moving degree of freedom in the horizontal direction, and the suspension mounting plate (8) is elastically mounted below the sliding block (4) and has a moving degree of freedom in the vertical direction; the bottom surface of suspension mounting panel (8) is fixed with installing sleeve (9), the top embedding of probe body (1) in installing sleeve (9), install manual locking subassembly (10) be used for fixing on installing sleeve (9) probe body (1).

2. The probe connection structure for PCB inspection according to claim 1, wherein: still include a screw thread post (6) set up on fixed plate (3) and can hold slide opening (5) of slider (4), a screw thread post (6) transversely erect through the bearing support in slide opening (5), just a screw thread post (6) run through slider (4) and through the screw thread close the mode soon with slider (4) link to each other the end fixing of a screw thread post (6) has knob (7).

3. The probe connection structure for PCB inspection according to claim 1, wherein: still include a positive hexagon nut (12) and an expanding spring (13) the top surface of suspension mounting panel (8) is fixed with runs through No. two screw thread post (11) that slider (4) set up, a positive hexagon nut (12) is installed through the screw thread closure mode No. two screw thread post (11) stretch out to serve, an expanding spring (13) cover is established No. two screw thread post (11) are gone up and are in slider (4) with between suspension mounting panel (8).

4. The probe connection structure for PCB inspection according to claim 1, wherein: the probe body (1) comprises a clamping block (14), a connecting plate (15), a second regular hexagonal nut (17), a second expansion spring (18) and a fourth threaded column (21), wherein the fourth threaded column (21) is installed on the installation sleeve (9) in a threaded screwing mode, the connecting plate (15) is rotatably installed on an embedded end of the fourth threaded column (21) through a bearing support, a third threaded column (16) penetrating through the connecting plate (15) is fixed on the clamping block (14), the second regular hexagonal nut (17) is installed on an extending end of the third threaded column (16) in a threaded screwing mode, and the second expansion spring (18) is sleeved on the third threaded column (16) and is located between the clamping block (14) and the connecting plate (15); an arc-shaped groove (19) is formed in the surface of the clamping block (14), and a second knob (22) is fixed to one end, far away from the connecting plate (15), of the fourth threaded column (21).

5. The PCB detecting probe connection structure of claim 4, wherein: and a rubber lining (20) is adhered and fixed on the inner wall of the arc-shaped groove (19).