CN214794910U

CN214794910U - High-density LED blind buried hole circuit board on-off short-break test smelting tool

Info

Publication number: CN214794910U
Application number: CN202120826649.4U
Authority: CN
Inventors: 孙蕾; 左胜梅
Original assignee: Nanjing Techuang Electronic Technology Co ltd
Current assignee: Nanjing Techuang Electronic Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-19
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a high density LED blind buried hole circuit board on-off short-break test fixture, the on-off short-break test fixture comprises a base, four corners at the bottom of the base are all fixed with supporting legs, and the top of the base fixes the organism, the top of the base is provided with a rectangular groove, and the inner side of the rectangular groove is provided with a rectangular seat, the top of the rectangular seat is provided with a corresponding groove, and the inner side of the corresponding groove is connected with a connecting plate in a sliding manner, the bottom of the connecting plate is symmetrically fixed with two round bars, and the surface of the round bar is sleeved with a spring; the utility model discloses a set up fixed block, fixed slot and bar breach isotructure, make being connected between template and the connecting plate simpler, avoided complicated operating procedure in the former device, the daily use of being convenient for, the utility model discloses a set up first movable block, second screw rod and second movable block isotructure, make the device be provided with the structure of adjusting the template position, the regulation of test pin position in template and the device during convenient to use.

Description

High-density LED blind buried hole circuit board on-off short-break test smelting tool

Technical Field

The utility model belongs to the technical field of the circuit board test, concretely relates to blind buried via hole circuit board of high density LED short break test smelting tool.

Background

A high-density LED blind buried hole circuit board on-off test jig specifically is a circuit board test jig, and the circuit board test jig is an important instrument of checking whether the circuit board has a problem, and opening the test jig is for detecting whether the circuit board has the phenomenon of opening the short circuit, the obstructed phenomenon of via hole, is for guaranteeing the quality of board, and opening the test jig still has a benefit to be, if that kind of board of opening the test jig returns odd number quantity many, follow-up just need not go out the expense test.

When the existing circuit board test rack is used, a template and a connecting plate need to be connected, but the connection operation is complicated due to the fact that the connection between the template and the connecting plate is complex, and the existing circuit board test rack is inconvenient to use in daily life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blind buried via hole circuit board of high density LED leads to short-circuit test smelting tool to propose current circuit board test frame in solving above-mentioned background art and need be connected template and connecting plate when using, nevertheless because the comparatively complicated of being connected between template and the connecting plate leads to connecting operation comparatively loaded down with trivial details, the problem of daily use of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a high-density LED blind buried hole circuit board on-off short-break test fixture comprises a base, wherein supporting legs are fixed at four corners of the bottom of the base, an organism is fixed at the top of the base, a rectangular groove is formed in the top of the base, a rectangular seat is arranged on the inner side of the rectangular groove, a corresponding groove is formed in the top of the rectangular seat, a connecting plate is connected to the inner side of the corresponding groove in a sliding mode, two round bars are symmetrically fixed at the bottom of the connecting plate, a spring is sleeved on the surface of each round bar, round grooves corresponding to the round bars are formed in the inner wall of each corresponding groove, the bottoms of the two round bars are respectively located on the inner sides of the two round grooves, a template is arranged at the top of the connecting plate, a fixed block is fixed at the top of the connecting plate, fixed grooves corresponding to the fixed blocks are formed in the bottom of the template, the fixed blocks are located on the inner sides of the fixed blocks, a circuit board groove is formed in the top of the template, connecting plate top swivelling joint has C shape strip, and the top of template all sets up the bar breach corresponding with C shape strip for the both sides in circuit board groove, the both ends of C shape strip are in the inboard of two bar breaches respectively, the surface cover of C shape strip is equipped with the L-shaped piece, and the top of connecting plate has seted up the bar groove for one side of fixed block, and the inboard of bar groove is fixed with the connective bar, the bottom cover of L-shaped piece is established on the surface of connective bar, and the surface of connective bar is equipped with the spring for one side cover of L-shaped piece.

Preferably, the inner side of the rectangular groove is rotatably connected with a second threaded rod, a second disc is arranged on one side of the base, one end of the second threaded rod penetrates through the outer side of the base and is fixed to the second disc, a second moving block is slidably connected to the bottom of the rectangular seat and is sleeved on the surface of the second threaded rod, a first threaded rod is rotatably connected to the inner side of the rectangular groove relative to the bottom of the second threaded rod and is arranged on the surface of the base, a first disc is arranged on the outer side of the base, one end of the first threaded rod penetrates through the outer side of the base and is fixed to the first disc, a first moving block is slidably connected to the bottom of the rectangular seat relative to one side of the second moving block, and the first moving block is sleeved on the surface of the first threaded rod.

Preferably, a sliding bar is fixed at the top of the second moving block, a longitudinal sliding groove corresponding to the sliding bar is formed in the bottom of the rectangular seat, and the sliding bar is located on the inner side of the longitudinal sliding groove.

Preferably, a sliding block is fixed at the top of the first moving block, a transverse sliding groove corresponding to the sliding block is formed in the bottom of the rectangular seat, and the sliding block is located on the inner side of the transverse sliding groove.

Preferably, a rotating block is fixed at the other end of the second threaded rod, a rotating groove corresponding to the rotating block is formed in the inner wall of the rectangular groove, and the rotating block is located on the inner side of the rotating groove.

Preferably, two U-shaped blocks are symmetrically fixed at the top end of the connecting plate, a bar is fixed on the inner side of each U-shaped block, and two ends of each C-shaped bar are respectively sleeved on the surfaces of the two bar.

Preferably, the front and rear surfaces of the connecting plate are fixed with sliding lugs, the inner wall of the corresponding groove is provided with a sliding groove corresponding to the sliding lugs, and the sliding lugs are positioned on the inner side of the sliding grooves.

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

1. the utility model discloses a set up fixed block, fixed slot and bar notch isotructure, make being connected between template and the connecting plate simpler, avoided complicated operating procedure in the former device, the daily use of being convenient for.

2. The utility model discloses a set up first movable block, second screw thread stick and second movable block isotructure, make the device be provided with the structure of adjusting the template position, the regulation of test pin position in template and the device when convenient to use makes things convenient for daily use.

Drawings

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

FIG. 2 is a cross-sectional view of the connection between the formwork and the connecting plate of the present invention;

FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;

FIG. 4 is a top view of the connection between the form and the connection plate of the present invention;

fig. 5 is a bottom cross-sectional view of the junction between the rectangular base and the first movable block of the present invention;

in the figure: 1. a base; 2. supporting legs; 3. a body; 4. a connecting plate; 5. a first disc; 6. a second disc; 7. a rectangular groove; 8. a rectangular base; 9. a corresponding groove; 10. a round bar; 11. a circular groove; 12. a template; 13. a fixed block; 14. fixing grooves; 15. a circuit board slot; 16. c-shaped strips; 17. a strip-shaped notch; 18. a first moving block; 19. a first threaded bar; 20. a strip-shaped groove; 21. an L-shaped block; 22. a connecting rod; 23. a second threaded bar; 24. a second moving block.

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.

Examples

Referring to fig. 1 to 5, the present invention provides a technical solution: a high-density LED blind buried hole circuit board on-off short-break test jig comprises a base 1, supporting legs 2 are fixed at four corners of the bottom of the base 1, a machine body 3 is fixed at the top of the base 1, a rectangular groove 7 is formed in the top of the base 1, a rectangular seat 8 is arranged on the inner side of the rectangular groove 7, a corresponding groove 9 is formed in the top of the rectangular seat 8, a connecting plate 4 is connected to the inner side of the corresponding groove 9 in a sliding mode, two round bars 10 are symmetrically fixed at the bottom of the connecting plate 4, a spring is sleeved on the surface of each round bar 10, round grooves 11 corresponding to the round bars 10 are formed in the inner wall of each corresponding groove 9, the bottom ends of the two round bars 10 are respectively located at the inner sides of the two round grooves 11, a template 12 is arranged at the top of the connecting plate 4, a fixing block 13 is fixed at the top of the connecting plate 4, a fixing groove 14 corresponding to the fixing block 13 is formed at the bottom of the template 12, and the fixing block 13 is located at the inner side of the fixing groove 14, circuit board groove 15 has been seted up at template 12's top, 4 top swivelling joint of connecting plate have C shape strip 16, and the top of template 12 all seted up for circuit board groove 15's both sides with the corresponding bar breach 17 of C shape strip 16, the both ends of C shape strip 16 are in the inboard of two bar breaches 17 respectively, the surface cover of C shape strip 16 is equipped with L shape piece 21, and bar groove 20 has been seted up for one side of fixed block 13 at the top of connecting plate 4, and bar groove 20's inboard is fixed with connective bar 22, the bottom cover of L shape piece 21 is established on connective bar 22's surface, and connective bar 22's surface is equipped with the spring for one side cover of L shape piece 21, be convenient for be connected between template 12 and the connecting plate 4, make things convenient for template 12's installation.

In this embodiment, preferably, a second threaded bar 23 is rotatably connected to the inside of the rectangular groove 7, and one side of the base 1 is provided with a second disc 6, one end of a second threaded rod 23 penetrates to the outer side of the base 1 to be fixed with the second disc 6, the bottom of the rectangular base 8 is connected with a second moving block 24 in a sliding way, and the second moving block 24 is sleeved on the surface of the second threaded rod 23, the inner side of the rectangular groove 7 is rotatably connected with the first threaded rod 19 relative to the bottom of the second threaded rod 23, a first disc 5 is arranged on the surface of the base 1, one end of a first threaded rod 19 penetrates to the outer side of the base 1 to be fixed with the first disc 5, a first moving block 18 is connected to one side of the bottom of the rectangular base 8 relative to a second moving block 24 in a sliding manner, and first movable block 18 is sleeved on the surface of first threaded rod 19, so that the position of template 12 can be changed conveniently through adjustment of rectangular seat 8.

In this embodiment, preferably, a sliding bar is fixed at the top of the second moving block 24, and a longitudinal sliding groove corresponding to the sliding bar is formed at the bottom of the rectangular seat 8, and the sliding bar is located at the inner side of the longitudinal sliding groove, so as to facilitate the sliding of the second moving block 24.

In this embodiment, preferably, a sliding block is fixed at the top of the first moving block 18, and a transverse sliding groove corresponding to the sliding block is formed at the bottom of the rectangular seat 8, and the sliding block is located on the inner side of the transverse sliding groove, so as to facilitate the sliding of the first moving block 18.

In this embodiment, preferably, a rotating block is fixed at the other end of the second threaded rod 23, and a rotating groove corresponding to the rotating block is formed in the inner wall of the rectangular groove 7, and the rotating block is located inside the rotating groove, so as to facilitate the rotation of the second threaded rod 23.

In this embodiment, preferably, two U-shaped blocks are symmetrically fixed to the top end of the connecting plate 4, a bar is fixed to the inner side of each U-shaped block, and two ends of the C-shaped bar 16 are respectively sleeved on the surfaces of the two bar, so that the C-shaped bar 16 can rotate conveniently.

In this embodiment, preferably, sliding protrusions are fixed on the front and rear surfaces of the connecting plate 4, and sliding grooves corresponding to the sliding protrusions are formed on the inner walls of the corresponding grooves 9, and the sliding protrusions are located on the inner sides of the sliding grooves, so that the connecting plate 4 can slide conveniently.

The utility model discloses a theory of operation and use flow: when the template 12 needs to be disconnected with the connecting plate 4, the L-shaped block 21 is pulled, the spring is compressed until the C-shaped strip 16 is no longer positioned on the inner side of the L-shaped block 21, and the limiting of the C-shaped strip 16 is stopped, so that the C-shaped strip 16 can be screwed upwards, the two ends of the C-shaped strip 16 are no longer positioned on the inner side of the strip-shaped notch 17, and the limiting of the template 12 is stopped, so that the template 12 can be moved upwards, the fixing block 13 is moved out of the inner side of the fixing groove 14, and the step of disconnecting the template 12 from the connecting plate 4 is completed;

when the position of the rectangular base 8 needs to be adjusted, firstly, the first disc 5 is rotated, the first disc 5 drives the first threaded rod 19 to rotate, meanwhile, the first moving block 18 drives the rectangular base 8 to move under the action of the first threaded rod 19, until the position is adjusted to a proper position, the second disc 6 is rotated, the second disc 6 drives the second threaded rod 23 to rotate, meanwhile, the second moving block 24 drives the rectangular base 8 to move under the action of the second threaded rod 23 until the position is adjusted to a proper position, and therefore the step of adjusting the rectangular base 8 to the proper position is completed, the design is convenient for daily use, and the position of the template 12 is conveniently changed through adjustment of the rectangular base 8.

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 blind buried via hole circuit board of high density LED makes short and breaks test smelting tool, includes base (1), four turnings in bottom of base (1) all are fixed with supporting legs (2), and the top fixed organism (3) of base (1), its characterized in that: the top of the base (1) is provided with a rectangular groove (7), the inner side of the rectangular groove (7) is provided with a rectangular seat (8), the top of the rectangular seat (8) is provided with a corresponding groove (9), the inner side of the corresponding groove (9) is connected with a connecting plate (4) in a sliding manner, the bottom of the connecting plate (4) is symmetrically fixed with two round bars (10), the surface of each round bar (10) is sleeved with a spring, the inner wall of the corresponding groove (9) is provided with a round groove (11) corresponding to the round bars (10), the bottom ends of the two round bars (10) are respectively positioned at the inner sides of the two round grooves (11), the top of the connecting plate (4) is provided with a template (12), the top of the connecting plate (4) is fixed with a fixed block (13), the bottom of the template (12) is provided with a fixed groove (14) corresponding to the fixed block (13), and the fixed block (13) is positioned at the inner side of the fixed groove (14), circuit board groove (15) have been seted up at the top of template (12), connecting plate (4) top swivelling joint has C shape strip (16), and the top of template (12) all seted up for the both sides of circuit board groove (15) with the corresponding bar breach (17) of C shape strip (16), the both ends of C shape strip (16) are in the inboard of two bar breaches (17) respectively, the surface cover of C shape strip (16) is equipped with L shape piece (21), and bar recess (20) have been seted up for one side of fixed block (13) at the top of connecting plate (4), and the inboard of bar recess (20) is fixed with connective bar (22), the bottom cover of L shape piece (21) is established on the surface of connective bar (22), and the surface of connective bar (22) is equipped with the spring for one side cover of L shape piece (21).

2. The tool of claim 1 for testing on and off of the high-density LED blind buried hole circuit board, wherein: a second threaded rod (23) is rotatably connected to the inner side of the rectangular groove (7), a second disc (6) is arranged on one side of the base (1), one end of the second threaded rod (23) penetrates through the outer side of the base (1) and is fixed with the second disc (6), a second moving block (24) is slidably connected to the bottom of the rectangular seat (8), the second moving block (24) is sleeved on the surface of the second threaded rod (23), a first threaded rod (19) is rotatably connected to the inner side of the rectangular groove (7) relative to the bottom of the second threaded rod (23), a first disc (5) is arranged on the surface of the base (1), one end of the first threaded rod (19) penetrates through the outer side of the base (1) and is fixed with the first disc (5), and a first moving block (18) is slidably connected to one side of the bottom of the rectangular seat (8) relative to the second moving block (24), and the first movable block (18) is sleeved on the surface of the first threaded rod (19).

3. The tool of claim 2 for testing on and off of the high-density LED blind buried hole circuit board, wherein: a sliding strip is fixed at the top of the second moving block (24), a longitudinal sliding groove corresponding to the sliding strip is formed in the bottom of the rectangular seat (8), and the sliding strip is located on the inner side of the longitudinal sliding groove.

4. The tool of claim 2 for testing on and off of the high-density LED blind buried hole circuit board, wherein: the top of the first moving block (18) is fixed with a sliding block, the bottom of the rectangular seat (8) is provided with a transverse sliding groove corresponding to the sliding block, and the sliding block is positioned on the inner side of the transverse sliding groove.

5. The tool of claim 2 for testing on and off of the high-density LED blind buried hole circuit board, wherein: the other end of the second threaded rod (23) is fixed with a rotating block, the inner wall of the rectangular groove (7) is provided with a rotating groove corresponding to the rotating block, and the rotating block is located on the inner side of the rotating groove.

6. The tool of claim 1 for testing on and off of the high-density LED blind buried hole circuit board, wherein: two U-shaped blocks are symmetrically fixed at the top end of the connecting plate (4), a bar is fixed on the inner side of each U-shaped block, and two ends of each C-shaped bar (16) are respectively sleeved on the surfaces of the two bar.

7. The tool of claim 1 for testing on and off of the high-density LED blind buried hole circuit board, wherein: the front surface and the rear surface of the connecting plate (4) are both fixed with sliding lugs, the inner wall of the corresponding groove (9) is provided with a sliding groove corresponding to the sliding lugs, and the sliding lugs are positioned on the inner side of the sliding grooves.