CN214374924U

CN214374924U - Special test fixture for circuit board

Info

Publication number: CN214374924U
Application number: CN202120491265.1U
Authority: CN
Inventors: 谢杰; 任德锟; 刘增标
Original assignee: Zhuhai Wise Sharp Technologies Ltd
Current assignee: Zhuhai Wise Sharp Technologies Ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-08
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a special test fixture of circuit board, including fixed slot and unable adjustment base, still include the mounting structure that can be convenient for install, the dismantlement structure that is convenient for adapt to different circuit boards and can assist the bunch structure of carrying out the bunch, the intermediate position department on unable adjustment base top installs the fixed slot, and mounting structure installs in the lower extreme of unable adjustment base both sides, the internally mounted of fixed slot has the standing groove, and dismantles the both sides of structural installation in the standing groove top, the intermediate position department of unable adjustment base top one end installs the backup pad, and the fixed plate is installed to the lower extreme of backup pad one end. The utility model discloses an install draw-in groove and standing groove, exert pressure to the fixture block, make the fixed spring atress and shorten length, the fixture block removes the inside to the draw-in groove after that, upwards lifts up the standing groove, realizes the dismantlement and the change of standing groove, otherwise can realize the installation of standing groove.

Description

Special test fixture for circuit board

Technical Field

The utility model relates to an electrical property looks sideways at technical field, specifically is special test fixture of circuit board.

Background

With the development of society, the manufacture of circuit boards is more professional, manufacturers of circuit boards need to look sideways at circuits on the circuit boards after the manufacture is finished, and side-looking equipment for producing the circuit boards in batches mainly adopts a special testing machine and a general testing machine.

With the continuous installation and use of the special test fixture for the circuit board, the following problems are found in the use process:

1. the traditional special test fixture for the circuit board cannot arrange the tested connecting circuit, so that the circuit is scattered.

2. The traditional special test fixture for the circuit board is inconvenient to install and causes the situation of shaking in use.

3. The circuit boards with different models and sizes can not be placed according to requirements by the traditional special test fixture for the circuit boards.

Therefore, a special test fixture for the circuit board needs to be designed for the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special test fixture of circuit board to propose the problem that current interconnecting link to the test can't arrange in order, be not convenient for install and can't place the circuit board of different model sizes according to the demand among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special test fixture for circuit boards comprises a fixing groove and a fixing base, and also comprises an installation structure which can be conveniently installed, a disassembly structure which can be conveniently adapted to different circuit board detections, and a wire bunching structure which can assist in bunching;

a fixed groove is arranged in the middle of the top end of the fixed base, and the mounting structure is arranged at the lower ends of the two sides of the fixed base;

the fixing groove is internally provided with a placing groove, and the dismounting structures are arranged on two sides of the top end of the placing groove;

the utility model discloses a binding post, including the fixed base, the intermediate position department of unable adjustment base top one end installs the backup pad, and the lower extreme of backup pad one end installs the fixed plate, the intermediate position department on fixed plate top installs detection module, and the backup pad one end of fixed plate top installs the connecting plate, and the intermediate position department on connecting plate top installs the control lever, the intermediate position department of connecting plate bottom installs the mounting panel, bunch structure installs in the inside bottom of mounting panel.

Preferably, the mounting structure includes the installation piece, and the installation piece is installed in the lower extreme of unable adjustment base outside both sides, the through-hole is installed to the intermediate position department on installation piece top, and the intermediate position department on installation piece top set up with through-hole assorted recess, connecting spring has all been welded to the both sides on installation piece top, and connecting spring's top installs and reserves the piece, reserve the intermediate position department of piece bottom and set up with through-hole assorted reservation groove.

Preferably, the dismounting structure comprises a fixed spring, a fixture block, a clamping groove, a limiting block, a limiting groove and a fixed block, the limiting block is installed on the top end of the fixed groove, the limiting groove matched with the limiting block is formed in the two sides of the placing groove, the clamping groove is formed in the upper end of the inside of the limiting block, the fixed block is welded in the middle of the inside of the clamping groove, the fixed spring is welded in the middle of the two sides of the fixed block, and the fixture block is installed on one side of the fixed spring.

Preferably, the width of the clamping block is smaller than that of the clamping groove, and the clamping blocks are symmetrically distributed about a central axis of the limiting block in the vertical direction.

Preferably, a through hole is formed in the middle of the top end of the mounting block, and the diameter of the through hole is smaller than that of the reserved groove.

Preferably, the wire bundling structure comprises a return spring, a wire bundling groove, a sliding plate and positioning grooves, the positioning grooves are equidistantly arranged at the bottom end of the mounting plate, the return springs are welded on two sides of the top end inside the positioning grooves, the sliding plate is installed at the bottom end of the return springs, and the wire bundling groove is installed at the bottom end of the sliding plate.

Preferably, the wire bundling grooves are U-shaped and are symmetrically distributed about a central axis of the mounting plate in the vertical direction.

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

(1) the connecting spring is stressed and the length of the connecting spring is increased by installing the connecting spring, the fastening bolt, the groove, the reserved block and the reserved groove, the fastening bolt is clamped with the groove by rotating the fastening bolt, the pressure applied to the reserved block is removed, the reserved block is restored to the initial position by the elastic force of the connecting spring, the reserved groove at the bottom end of the reserved block is driven to be clamped with the fastening bolt, and then the fastening bolt is rotated through the through hole to be fastened in a rotating manner;

(2) the wire bundling groove is provided with the wire bundling groove, the positioning groove and the reset spring, the wire bundling groove is pulled downwards to enable the positioning groove to be stressed and the length to be increased, wires to be connected are arranged and placed in the wire bundling groove, after the wires are placed, pressure applied to the wire bundling groove is removed, the wire bundling groove returns to the inside of the positioning groove through the self elasticity of the reset spring to properly place the arranged wires, and the wires are prevented from being scattered;

(3) through installing fixture block, fixed spring, draw-in groove and standing groove, exert pressure to the fixture block, make the fixed spring atress and shorten length, the fixture block removes the inside to the draw-in groove after that, upwards lifts up the standing groove, realizes dismantling and the change of standing groove, otherwise can realize the installation of standing groove.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the sectional structure of the present invention in a partial front view;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a support plate; 2. mounting a plate; 3. a detection module; 4. a fixing plate; 5. fastening a bolt; 6. a placement groove; 7. fixing grooves; 8. a groove; 9. a through hole; 10. a fixed base; 11. a connecting plate; 12. a control lever; 13. reserving a block; 14. a connecting spring; 15. disassembling the structure; 1501. fixing the spring; 1502. a clamping block; 1503. a card slot; 1504. a limiting block; 1505. a limiting groove; 1506. a fixed block; 16. mounting blocks; 17. reserving a groove; 18. a wire harness structure; 1801. a return spring; 1802. a wiring trough; 1803. a sliding plate; 1804. and (6) positioning a groove.

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.

Example 1: referring to fig. 1-4, a testing fixture special for a circuit board includes a fixing groove 7 and a fixing base 10, and further includes an installation structure convenient for installation, a disassembly structure 15 convenient for adapting to different circuit board detection, and a wire harness structure 18 capable of assisting wire harness;

a fixing groove 7 is arranged in the middle of the top end of the fixing base 10, and the mounting structure is arranged at the lower ends of the two sides of the fixing base 10;

the fixing groove 7 is internally provided with a placing groove 6, and the disassembling structures 15 are arranged at two sides of the top end of the placing groove 6;

a supporting plate 1 is mounted in the middle of one end of the top end of the fixed base 10, a fixed plate 4 is mounted at the lower end of one end of the supporting plate 1, a detection module 3 is mounted in the middle of the top end of the fixed plate 4, a connecting plate 11 is mounted at one end of the supporting plate 1 above the fixed plate 4, a control rod 12 is mounted in the middle of the top end of the connecting plate 11, a mounting plate 2 is mounted in the middle of the bottom end of the connecting plate 11, and a wire harness structure 18 is mounted at the bottom end inside the mounting plate 2;

referring to fig. 1-4, the special test fixture for the circuit board further includes a mounting structure, the mounting structure includes a mounting block 16, the mounting block 16 is mounted at the lower ends of the two sides of the outside of the fixed base 10, a fastening bolt 5 is mounted at the middle position of the top end of the mounting block 16, a groove 8 matched with the fastening bolt 5 is formed in the middle position of the top end of the mounting block 16, connecting springs 14 are welded on the two sides of the top end of the mounting block 16, a reserved block 13 is mounted at the top end of the connecting springs 14, and a reserved groove 17 matched with the fastening bolt 5 is formed in the middle position of the bottom end of the reserved block 13;

a through hole 9 is formed in the middle of the top end of the mounting block 16, and the diameter of the through hole 9 is smaller than that of the reserved groove 17;

specifically, as shown in fig. 1 and 2, when the structure is used, firstly, the reserved block 13 is pulled upwards, the connecting spring 14 is stressed and the length is increased, the fastening bolt 5 is rotated to enable the fastening bolt 5 to be clamped with the groove 8, the pressure applied to the reserved block 13 is removed, the reserved block 13 is enabled to restore to the initial position through the elastic force of the connecting spring 14, the reserved groove 17 at the bottom end of the reserved block 13 is driven to be clamped with the fastening bolt 5, then, the fastening bolt 5 is rotated through the through hole 9, the angle of the fastening bolt 5 can be adjusted while the fastening bolt 5 is rotationally fastened, and the clamping between the fastening bolt 5 and the reserved groove 17 is tighter.

Example 2: the dismounting structure 15 comprises a fixed spring 1501, a clamping block 1502, a clamping groove 1503, a limiting block 1504, a limiting groove 1505 and a fixing block 1506, wherein the limiting block 1504 is installed at the top end of the fixing groove 7, the limiting grooves 1505 matched with the limiting block 1504 are respectively formed in two sides of the placing groove 6, the clamping groove 1503 is formed in the upper end of the inside of the limiting block 1504, the fixing block 1506 is welded in the middle of the inside of the clamping groove 1503, the fixed spring 1501 is welded in the middle of two sides of the fixing block 1506, and the clamping block 1502 is installed on one side of the fixed spring 1501;

the width of the fixture blocks 1502 is smaller than that of the fixture grooves 1503, and the fixture blocks 1502 are symmetrically distributed about a central axis of the limiting block 1504 in the vertical direction;

specifically, as shown in fig. 1, 2 and 4, when the structure is used, pressure is applied to the fixture block 1502 to apply force to the fixing spring 1501 and shorten the length, then the fixture block 1502 moves into the clamping groove 1503 to lift the placement groove 6 upwards, so that the placement groove 6 is detached and replaced, and conversely, the placement groove 6 can be installed.

Example 3: the wire harness structure 18 comprises a return spring 1801, a wire harness groove 1802, a sliding plate 1803 and a positioning groove 1804, wherein the positioning grooves 1804 are arranged at the bottom end of the mounting plate 2 at equal intervals, the return springs 1801 are welded on two sides of the top end inside the positioning grooves 1804, the sliding plate 1803 is installed at the bottom end of the return springs 1801, and the wire harness groove 1802 is installed at the bottom end of the sliding plate 1803;

the harness grooves 1802 are U-shaped, and the harness grooves 1802 are symmetrically distributed about a central axis of the mounting plate 2 in the vertical direction;

specifically, as shown in fig. 1, 2, and 3, when this structure is used, first, by pulling down the harness slot 1802, the positioning groove 1804 is forced and increased in length, the electric wires to be connected are arranged and placed inside the harness slot 1802, and after the electric wires are placed, the pressure applied to the harness slot 1802 is removed, so that the harness slot 1802 returns to the inside of the positioning groove 1804 by the elastic force of the return spring 1801 itself, and the arranged electric wires are properly placed, thereby preventing the electric wires from being scattered.

The working principle is as follows: when the device is used, firstly, the reserved block 13 is pulled upwards, the connecting spring 14 is stressed and increases the length, the fastening bolt 5 and the groove 8 are clamped by rotating the fastening bolt 5, the pressure applied to the reserved block 13 is removed, the reserved block 13 is restored to the initial position through the self elasticity of the connecting spring 14, the reserved groove 17 at the bottom end of the reserved block 13 is driven to be clamped with the fastening bolt 5, then the fastening bolt 5 is rotated through the through hole 9, the angle of the fastening bolt 5 can be adjusted while the fastening bolt 5 is rotationally fastened, and the clamping between the fastening bolt 5 and the reserved groove 17 is tighter;

then, a circuit board to be detected is placed in the placing groove 6, control detection is performed through the control rod 12, when circuit boards with different sizes need to be detected, pressure is applied to the clamping block 1502, the fixing spring 1501 is stressed, the length of the fixing spring is shortened, then the clamping block 1502 moves to the inside of the clamping groove 1503, the placing groove 6 is lifted upwards, the placing groove 6 is detached and replaced, and otherwise, the placing groove 6 can be installed;

finally in the in-process of using, through pulling bunch groove 1802 downwards, make constant head tank 1804 atress and increase length, the electric wire that needs the connection is put in order and is placed in bunch groove 1802, and the electric wire is placed and is accomplished the back and withdraw the pressure that applys to bunch groove 1802, makes bunch groove 1802 return to the inside of constant head tank 1804 through reset spring 1801 self and properly places the electric wire of putting in order, prevents that the electric wire is in disorder.

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 special test fixture of circuit board, includes fixed slot (7) and unable adjustment base (10), its characterized in that: the wiring board detection device also comprises a mounting structure which can be conveniently mounted, a dismounting structure (15) which can be conveniently adapted to different circuit board detection, and a wiring line structure (18) which can assist in wiring lines;

a fixing groove (7) is arranged in the middle of the top end of the fixing base (10), and the mounting structure is mounted at the lower ends of the two sides of the fixing base (10);

a placing groove (6) is arranged in the fixing groove (7), and the disassembling structures (15) are arranged on two sides of the top end of the placing groove (6);

the utility model discloses a binding post, including unable adjustment base (10), fixed base (10), backup pad (1), fixed plate (4) are installed to the intermediate position department on fixed base (10) top one end, and the lower extreme of backup pad (1) one end installs fixed plate (4), the intermediate position department on fixed plate (4) top installs detection module (3), and backup pad (1) one end of fixed plate (4) top installs connecting plate (11), and the intermediate position department on connecting plate (11) top installs control lever (12), mounting panel (2) are installed to the intermediate position department of connecting plate (11) bottom, install in the inside bottom of mounting panel (2) bunch structure (18).

2. The special test fixture for circuit boards of claim 1, wherein: the mounting structure comprises a mounting block (16), the mounting block (16) is mounted at the lower ends of the two outer sides of the fixed base (10), a fastening bolt (5) is mounted at the middle position of the top end of the mounting block (16), a groove (8) matched with the fastening bolt (5) is formed in the middle position of the top end of the mounting block (16), connecting springs (14) are welded at the two sides of the top end of the mounting block (16), a reserved block (13) is mounted at the top end of each connecting spring (14), and a reserved groove (17) matched with the fastening bolt (5) is formed in the middle position of the bottom end of the reserved block (13).

3. The special test fixture for circuit boards of claim 1, wherein: dismantle structure (15) including fixed spring (1501), fixture block (1502), draw-in groove (1503), stopper (1504), spacing groove (1505) and fixed block (1506), stopper (1504) are installed on fixed slot (7) top, and the both sides of standing groove (6) all seted up with stopper (1504) assorted spacing groove (1505), draw-in groove (1503) have been seted up to the inside upper end of stopper (1504), and the welding of inside intermediate position department of draw-in groove (1503) has fixed block (1506), the welding of intermediate position department of fixed block (1506) both sides has fixed spring (1501), and one side of fixed spring (1501) installs fixture block (1502).

4. The special test fixture for circuit boards according to claim 3, wherein: the width of the clamping block (1502) is smaller than that of the clamping groove (1503), and the clamping blocks (1502) are symmetrically distributed around the central axis of the limiting block (1504) in the vertical direction.

5. The special test fixture for circuit boards of claim 2, wherein: a through hole (9) is formed in the middle of the top end of the mounting block (16), and the diameter of the through hole (9) is smaller than that of the reserved groove (17).

6. The special test fixture for circuit boards of claim 1, wherein: bunch structure (18) include reset spring (1801), bunch groove (1802), sliding plate (1803) and constant head tank (1804), constant head tank (1804) equidistant sets up in the bottom of mounting panel (2), and the both sides on the inside top of constant head tank (1804) all weld reset spring (1801), sliding plate (1803) are installed to reset spring (1801)'s bottom, and bunch groove (1802) are installed to the bottom of sliding plate (1803).

7. The special test fixture for circuit boards of claim 6, wherein: the wire harness grooves (1802) are U-shaped, and the wire harness grooves (1802) are symmetrically distributed around a central axis of the mounting plate (2) in the vertical direction.