CN210322743U

CN210322743U - Fold hole screening tool convenient to carry

Info

Publication number: CN210322743U
Application number: CN201921339961.XU
Authority: CN
Inventors: 唐唤军; 袁配荣
Original assignee: Shenzhen Wanshunxin Technology Co Ltd
Current assignee: Shenzhen Wanshunxin Technology Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-14
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a fold hole screening tool convenient to carry, the on-line screen storage device comprises a base, the fixed welding support column in upper end of base, the upper end fixed welding of support column has the backup pad, two sets of through-holes have been seted up to the upper end symmetry of backup pad, the inside slip of through-hole is pegged graft and is had the stand, the fixed welding of lower extreme of stand has the probe holder, and the fixed welding in upper end of stand has the clamp plate, first compression spring has been cup jointed on the stand, the upper end of backup pad is inlayed and is equipped with the bearing, the inner circle of bearing is fixed to be pegged graft and is had the threaded sleeve, the threaded connection of threaded sleeve has the screw rod, the fixed welding. The utility model discloses a manual pressboard that pushes down drives the probe and pushes down, stacks the hole to place the PCB board on the fixed block and detects the screening, and not only use cost is low, portable moreover, and the flexibility ratio is high.

Description

Fold hole screening tool convenient to carry

Technical Field

The utility model relates to a PCB board folds hole and detects screening technical field, specifically is a portable's fold hole screening tool.

Background

The overlapped holes are holes which are formed by overlapping and punching different-diameter holes together and are in a dual state, the overlapped holes are mostly used in the PCB processing industry, and the opening precision of the overlapped holes directly influences the overall performance of the PCB, so that the detection of the overlapped holes becomes the guarantee of the use quality of the PCB.

At present, adopt the probe to detect the screening tool to the detection of PCB board mostly, but the present PCB board folds hole detection screening tool structure complicacy, have the part still to connect the main equipment such as air compressor machine, and not only use cost is higher, moreover because the present PCB board folds hole detection screening tool and must connect some main equipment just can use, lead to not portable and remove, the flexibility ratio is poor, consequently, we have proposed a portable's fold hole screening tool.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hole screening jig folds convenient to carry, this tool is through having seted up the through-hole in the backup pad, it has the stand to peg graft in the inside slip of through-hole to be provided with the clamp plate in the upper end of stand, be provided with probe holder and probe at the lower extreme of stand, can push down the clamp plate through manual, it pushes down to drive the probe, fold the hole to place the PCB board on the fixed block and detect the screening, not only use cost is low, and convenient to carry, the flexibility ratio is high, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a portable overlapped hole screening jig comprises a base, wherein a support column is fixedly welded at the upper end of the base, the upper end of the supporting column is fixedly welded with a supporting plate, the upper end of the supporting plate is symmetrically provided with two groups of through holes, an upright post is inserted in the through hole in a sliding way, a probe rack is fixedly welded at the lower end of the upright post, and the upper end of the upright post is fixedly welded with a pressure plate, the upright post is sleeved with a first compression spring, the upper end of the supporting plate is embedded with a bearing, the inner ring of the bearing is fixedly inserted with a threaded sleeve, the thread of the threaded sleeve is connected with a screw rod, the upper end of the screw rod is fixedly welded with a limiting block, the upper end of the base is provided with a groove, the inner bottom surface of the groove is fixedly provided with a spring post, the upper end fixedly connected with of spring post is used for the fixed block of fixed PCB board, and the fixed block is located under the probe holder.

Preferably, the lower end of the probe frame is provided with a blind hole, an elastic non-slip pad is fixedly bonded on the inner wall of the blind hole, and a probe is inserted in the blind hole.

Preferably, the upper end of fixed block is seted up and is used for placing the joint groove of PCB board, the joint groove sets up to cascaded joint groove.

Preferably, the lower end of the base is fixedly bonded with a rubber anti-skid foot pad.

Preferably, the upper end of the limiting block is fixedly provided with a rubber buffer cushion block.

Preferably, the spring post comprises an inner rod, a sleeve and a second compression spring, one end of the inner rod is fixedly connected to the second compression spring, and one end of the second compression spring is fixedly connected to the inner surface of the sleeve.

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

1. the utility model discloses a set up the through-hole in the backup pad, slip the grafting in the through-hole and have the stand, and be provided with the clamp plate in the upper end of stand, be provided with probe holder and probe at the lower extreme of stand, can push down the clamp plate through manual, drive the probe and push down, carry out the detection screening of piling up the hole to the PCB board of placing on the fixed block, not only use cost is low, and portable, the flexibility ratio is high;

2. the utility model discloses an it is equipped with the bearing to inlay in the upper end of backup pad to it has threaded sleeve to peg graft fixedly at the inner circle of bearing, and has the screw rod at threaded sleeve's internal thread connection, and has the stopper at the fixed welding in the upper end of screw rod, can adjust the height of stopper according to the actual demand, thereby avoids the probe to be crushed.

Drawings

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

FIG. 2 is a schematic view of the structure of the probe holder of the present invention;

fig. 3 is a schematic view of the structure of the fixing block of the present invention;

fig. 4 is a schematic view of the spring post structure of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a support plate; 4. a through hole; 5. a column; 6. a probe holder; 7. pressing a plate; 8. a first compression spring; 9. a bearing; 10. a threaded sleeve; 11. a screw; 12. a limiting block; 13. a groove; 14. a spring post; 15. a fixed block; 17. a probe; 18. a clamping groove; 19. rubber anti-skid foot pads; 20. a rubber cushion block; 21. an inner rod; 22. a sleeve; 23. a second compression spring.

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. 1-4, the present invention provides a technical solution: the portable overlapped hole screening jig comprises a base 1, a support column 2 is fixedly welded at the upper end of the base 1, a support plate 3 is fixedly welded at the upper end of the support column 2, two groups of through holes 4 are symmetrically formed at the upper end of the support plate 3, a stand column 5 is inserted in the through holes 4 in a sliding manner, a probe frame 6 is fixedly welded at the lower end of the stand column 5, the probe frame 6 is set to be a conductive probe frame, a screw for installing a connecting line is arranged on the probe frame 6, a pressing plate 7 is fixedly welded at the upper end of the stand column 5, a first compression spring 8 is sleeved on the stand column 5, a bearing 9 is embedded at the upper end of the support plate 3, a threaded sleeve 10 is fixedly inserted in an inner ring of the bearing 9, a screw 11 is connected with the thread of the threaded sleeve 10, a limit block 12 is fixedly welded at the upper end, the upper end of the spring column 14 is fixedly connected with a fixing block 15 for fixing the PCB, and the fixing block 15 is positioned under the probe holder 6.

Specifically, the lower end of the probe frame 6 is provided with a blind hole, an elastic anti-slip pad is fixedly bonded on the inner wall of the blind hole, a probe 17 is inserted in the blind hole, and one end of the probe 17 is attached to the bottom of the blind hole. The probes 17 can be inserted into the blind holes according to actual needs, so that the stacked holes of the PCB can be detected and screened.

Specifically, the upper end of the fixing block 15 is provided with a clamping groove 18 for placing a PCB, and the clamping groove 18 is arranged to be a stepped clamping groove. The PCB boards with different sizes can be conveniently installed and fixed, so that the jig is wide in application range.

Specifically, the lower end of the base 1 is fixedly bonded with a rubber anti-skid pad 19. When being placed on the workbench, the jig can not slide.

Specifically, the upper end of the limiting block 12 is fixedly provided with a rubber cushion block 20. It is convenient to cushion the pressing plate 7 when the pressing plate 7 is pressed down.

Specifically, the spring post 14 includes an inner rod 21, a sleeve 22 and a second compression spring 23, wherein one end of the inner rod 21 is fixedly connected to the second compression spring 23, and one end of the second compression spring 23 is fixedly connected to the inner surface of the sleeve 22.

The working principle is as follows: the utility model discloses a through-hole 4 has been seted up in backup pad 3, it has stand 5 to peg graft in the inside slip of through-hole 4, and upper end at stand 5 is provided with clamp plate 7, lower extreme at stand 5 is provided with probe holder 6 and probe 17, can push down clamp plate 7 through manual, it pushes down to drive probe 17, fold the hole and detect the screening to placing the PCB board on fixed block 15, not only use cost is low, and portable, the flexibility ratio is high, it is equipped with bearing 9 to inlay through the upper end at backup pad 3, and threaded sleeve 10 is fixed to peg graft at bearing 9's inner circle, and the inside threaded connection at threaded sleeve 10 has screw rod 11, and fixed welding has stopper 12 in screw rod 11's upper end, can adjust stopper 12's height according to actual demand and carry on spacingly to clamp plate 7, thereby avoid clamp plate 7 to push down the too deeply to lead to probe 17 to being.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fold hole screening tool convenient to carry, includes base (1), its characterized in that: the upper end of the base (1) is fixedly welded with the supporting column (2), the upper end of the supporting column (2) is fixedly welded with the supporting plate (3), the upper end of the supporting plate (3) is symmetrically provided with two groups of through holes (4), the inside of each through hole (4) is inserted with a stand column (5) in a sliding manner, the lower end of each stand column (5) is fixedly welded with the probe frame (6), the upper end of each stand column (5) is fixedly welded with the pressing plate (7), the stand column (5) is sleeved with the first compression spring (8), the upper end of the supporting plate (3) is embedded with the bearing (9), the inner ring of the bearing (9) is fixedly inserted with the threaded sleeve (10), the thread of the threaded sleeve (10) is connected with the screw rod (11), the upper end of the screw rod (11) is fixedly welded with the limiting block (, the probe frame is characterized in that a spring column (14) is fixedly mounted on the bottom surface inside the groove (13), a fixing block (15) used for fixing a PCB is fixedly connected to the upper end of the spring column (14), and the fixing block (15) is located under the probe frame (6).

2. The stack hole screening jig convenient to carry of claim 1, characterized in that: the lower end of the probe frame (6) is provided with a blind hole, an elastic anti-slip pad is fixedly bonded on the inner wall of the blind hole, and a probe (17) is inserted in the blind hole.

3. The stack hole screening jig convenient to carry of claim 1, characterized in that: the upper end of fixed block (15) is seted up and is used for placing joint groove (18) of PCB board, joint groove (18) set up to cascaded joint groove.

4. The stack hole screening jig convenient to carry of claim 1, characterized in that: the lower end of the base (1) is fixedly bonded with a rubber anti-skid pad foot (19).

5. The stack hole screening jig convenient to carry of claim 1, characterized in that: the upper end of the limiting block (12) is fixedly provided with a rubber cushion block (20).

6. The stack hole screening jig convenient to carry of claim 1, characterized in that: the spring column (14) comprises an inner rod (21), a sleeve (22) and a second compression spring (23), one end of the inner rod (21) is fixedly connected to the second compression spring (23), and one end of the second compression spring (23) is fixedly connected to the inner surface of the sleeve (22).