CN215575280U

CN215575280U - Circuit board test fixture

Info

Publication number: CN215575280U
Application number: CN202122092138.7U
Authority: CN
Inventors: 陈巧丽; 陈亚飞; 余财良
Original assignee: Chengdu Tianbochuang Technology Co ltd
Current assignee: Chengdu Tianbochuang Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-18
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a circuit board testing jig, which relates to the technical field of circuit board testing and comprises a shell, wherein a mounting opening is formed in the shell, a shaft body is fixedly arranged on the inner side wall of the shell, the outer side wall of the shaft body is rotatably connected with a rotating plate, the rotating plate corresponds to the mounting opening, a detector is fixedly arranged at the top end of the rotating plate, a pressing rod is fixedly arranged at the bottom end of the rotating plate, a probe corresponding to the top surface of the shell is arranged at the bottom surface of the detector, a mounting plate is fixedly arranged at the top of the shell, four sliding openings which are uniformly distributed are formed in the mounting plate, and the sliding openings are communicated with the interior of the shell. According to the utility model, through arranging the sliding blocks, the connecting rods, the circular plates and the clamping blocks, the plurality of sliding blocks can move inwards or outwards at the same time, the clamping blocks are driven to clamp and position the circuit board, the stability of the circuit board is ensured, the circuit board can be fixed and disassembled while the detector is opened and closed, and the detection efficiency is improved.

Description

Circuit board test fixture

Technical Field

The utility model relates to the technical field of circuit board testing, in particular to a circuit board testing jig.

Background

Along with the development of national science and technology, the electronics industry becomes important pillar industry, and the circuit board is the indispensable partly in the electronics industry, and in the production process of circuit board, in order to control the quality of product, need test the circuit board before dispatching from the factory to guarantee the qualification rate of product, the staff passes through test equipment, knows the operational aspect of circuit board under the circular telegram condition, avoids appearing the condition such as desoldering and hourglass welding.

Under the general condition, the staff can be with extracting partial product in the same batch product and detecting, and detection method puts the circuit board in the detector below, through the tie point of probe contact circuit board, but owing to lack fixedly, when probe contact tie point, the rocking probably appears, makes the detection difficult to go on, through screw fixation or splint centre gripping among the prior art, inefficiency, complex operation, be not convenient for use when examining in batches, influence detection efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, when a circuit board is detected, the efficiency is low and the operation is troublesome due to the fact that the circuit board is fixed through screws, and provides a circuit board testing jig.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit board test fixture, includes the shell, the installing port has been seted up on the shell, the fixed axis body that is provided with of shell inside wall, the axis body lateral wall rotates and is connected with the rotor plate, the rotor plate is corresponding with the installing port, the fixed detector that is provided with in rotor plate top, bottom mounting are provided with and support the depression bar, the detector bottom surface is provided with the probe corresponding with the shell top surface, the fixed mounting panel that is provided with in shell top, be equipped with four evenly distributed's draw runner on the mounting panel, draw runner and the inside shell of being linked together, draw runner inside wall sliding connection has the slider, be equipped with stop gear on the slider, the slider bottom is rotated and is connected with the connecting rod, four the slider all rotates through the connecting rod and is connected with same plectane, be equipped with spring, bottom surface and support the depression bar between plectane top surface and the mounting panel and offset.

Preferably, the pressing rod is arranged in an arc shape, and the concave surface of the pressing rod faces upwards.

Preferably, the mounting panel is "X" shape setting, just the mounting panel is insulating material.

Preferably, the limiting mechanism comprises a protrusion fixedly arranged on the outer side wall of the sliding block, and a sliding groove matched with the protrusion is formed in the inner side wall of the sliding opening.

Preferably, still include fixture, fixture is including rotating the clamp splice of connecting in the slider top, set up the apex angle on the clamp splice and be the orthogonal breach, four the breach all faces the geometric centre of mounting panel.

Preferably, the top in the gap is obliquely arranged, and one end of the edge of the clamping block is higher than one end of the center of the clamping block.

Preferably, a pull rod is fixedly arranged at the front end of the detector, and an insulating sleeve is sleeved on the outer side of the pull rod.

Compared with the prior art, the utility model has the following advantages:

the utility model realizes that a plurality of sliding blocks move inwards or outwards simultaneously by arranging the sliding blocks, the connecting rods, the circular plates and the clamping blocks, drives the clamping blocks to clamp and position the circuit board, ensures the stability of the circuit board, and presses the circular plates by the pressing rods when the detector is moved upwards to place the circuit board, so that the clamping blocks move outwards to be opened.

Drawings

Fig. 1 is a schematic perspective view of a circuit board testing fixture according to the present invention;

FIG. 2 is a partial cross-sectional view of a circuit board testing fixture according to the present invention;

FIG. 3 is a schematic structural diagram of a mounting plate of a circuit board testing fixture according to the present invention;

FIG. 4 is a schematic structural diagram of a connection relationship between the slider and the clamping block in the circuit board testing fixture according to the present invention;

fig. 5 is a schematic structural diagram of a connection relationship between a rotation plate, a pressing rod and a detector in a circuit board testing fixture according to the present invention.

Description of reference numerals:

1. a housing; 2. an installation port; 3. a probe; 4. a rotating plate; 5. a detector; 6. a pressing rod; 7. mounting a plate; 8. a sliding port; 9. a slider; 10. a connecting rod; 11. a circular plate; 12. a protrusion; 13. a chute; 14. a clamping block; 15. a notch; 16. a pull rod; 17. and an insulating sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a circuit board test fixture, which comprises an outer shell 1, installing port 2 has been seted up on shell 1, the fixed axis body that is provided with of 1 inside wall of shell, the axis body lateral wall rotates and is connected with rotor plate 4, the axis body is the level setting, be convenient for install rotor plate 4, rotor plate 4 is corresponding with installing port 2, rotor plate 4 is located installing port 2, can be at 2 internalization of installing port, the fixed detector 5 that is provided with in 4 tops of rotor plate, the bottom mounting is provided with supports depression bar 6, detector 5 passes through the bolt fastening, be convenient for change the detector 5 of different models, detector 5 bottom surface is provided with the probe 3 corresponding with 1 top surface of shell, detector 5 is located shell 1 directly over, probe 3 is located detector 5's bottom surface intermediate position, be convenient for detect the circuit board of placing on shell 1.

Referring to fig. 1 and 2, detector 5 front end is fixed with pull rod 16, and the pull rod 16 outside cover is equipped with insulating cover 17, sets up pull rod 16, and convenient to use person rotates detector 5 from top to bottom, takes and places the circuit board on shell 1, because the circuit board detects there is the current loop, insulating cover 17 can completely cut off human electric current, improves the precision that detects.

The fixed mounting panel 7 that is provided with in shell 1 top, the mounting panel 7 is inlayed in the top intermediate position of shell 1, and is corresponding with probe 3, the detection of the circuit board of being convenient for.

Referring to fig. 1 and 3, mounting panel 7 is "X" shape setting, and mounting panel 7 is insulating material, and most circuit boards all are the rectangle on the market, and mounting panel 7's shape sets up the shape of more compound circuit board, is favorable to the installation of circuit board fixed, and insulating material is favorable to reducing the influence of mounting panel 7 to detecting simultaneously, is favorable to improving the detection precision.

Set up four evenly distributed's smooth mouthful 8 on the mounting panel 7, smooth mouthful 8 runs through mounting panel 7 and is linked together with shell 1 is inside, and smooth mouthful 8 inside wall sliding connection has slider 9, and slider 9 is the rectangle, only allows to remove along smooth mouthful 8, is equipped with stop gear on the slider 9.

Referring to fig. 3 and 4, the limiting mechanism comprises a protrusion 12 fixedly arranged on the outer side wall of the sliding block 9, the protrusion 12 is symmetrically arranged in two groups, a sliding groove 13 matched with the protrusion 12 is formed in the inner side wall of the sliding opening 8, the protrusion 12 is clamped into the sliding groove 13 and is connected with the inner side wall of the sliding groove 13 in a sliding mode, and the sliding block 9 is prevented from being separated from the sliding opening 8.

The bottom of the sliding block 9 is rotatably connected with a connecting rod 10, the four sliding blocks 9 are rotatably connected with the same circular plate 11 through the connecting rod 10, the sliding blocks 9 can be adjusted simultaneously by moving the circular plate 11, the sliding blocks 9 are enabled to move outwards or inwards in the sliding opening 8 simultaneously, the circuit board is convenient to fix, a spring is arranged between the top surface of the circular plate 11 and the mounting plate 7, the bottom surface of the circular plate is abutted against the abutting rod 6, the circular plate 11 tends to move downwards all the time through the elastic force of the spring, the sliding blocks 9 generate clamping force towards the center of the mounting plate 7, and the circuit board is convenient to fix.

Referring to fig. 2 and 5, the pressing rod 6 is arc-shaped, the concave surface of the pressing rod 6 faces upwards, the rotating plate 4 rotates upwards to open the detector 5, the end of the pressing rod 6 presses the circular plate 11 upwards to shrink the spring, the sliding block 9 moves outwards simultaneously under the action of the connecting rod 10 to form a placement area of the circuit board, the circuit board can be installed conveniently, when the pressing rod 5 moves downwards to detect, the end of the pressing rod 6 is separated from the circular plate 11, the circular plate 11 resets under the action of the spring, and the sliding block 9 moves towards the middle simultaneously to clamp the circuit board.

Refer to fig. 1, still include fixture, fixture includes to rotate to connect and has seted up the apex angle on 14 clamp splice at slider 9 top for right angled breach 15, the circuit board is the rectangle for the majority, right angled breach 15 makes the centre gripping more stable, because there is certain difference in the size of circuit board, when the corner card of circuit board goes into in right

angled breach

15, 14 can the self-adaptation finely tune of carrying on of clamp splice of rotation connection, guarantee the stability of centre gripping, four breach 15 all are towards the geometric centre of mounting panel 7, the circuit board is put on mounting panel 7, four turnings of 15 corresponding circuit boards of four breach, be favorable to fixed circuit board.

Referring to fig. 4, the top in the notch 15 is obliquely arranged, one end of the edge of the clamping block 14 is higher than one end of the center of the clamping block 14, when the corner of the circuit board is clamped in the notch 15, the inclined surface in the notch 15 exerts downward pressure on the circuit board by abutting against the circuit board, so that the circuit board is more stably mounted.

The specific working principle of the utility model is as follows:

when the device is used, the pull rod 16 is pulled upwards, the rotating plate 4 drives the detector 5 to rotate upwards, the mounting position on the mounting plate 7 leaks, the pressing rod 6 rotates along with the mounting plate 7 to press the circular plate 11 upwards, the circular plate 11 moves upwards, the spring contracts, the circular plate 11 moves upwards to press the sliding blocks 9 through the connecting rods 10, the four sliding blocks 9 move outwards simultaneously, the sliding blocks 9 drive the clamping blocks 14 to move outwards, the circuit board is placed in the middle position of the mounting plate 7, hands are loosened at the moment, the rotating plate 4 rotates under the gravity of the detector 5 and the elastic force of the spring, the circular plate 11 resets, the four sliding blocks 9 drive the clamping blocks 14 to clamp and fix the circuit board, the detector 5 resets at the same time, the probe 3 is in contact with the connecting point on the circuit board, after the circuit board is detected, the detector 5 can move upwards again, the clamping blocks 14 are separated from each other, the circuit board can be taken out, and the device is convenient and rapid, the efficiency of detection is improved, has avoided the circuit board to rock and has leaded to detecting inaccurately.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A circuit board testing jig comprises a shell (1) and is characterized in that a mounting hole (2) is formed in the shell (1), a shaft body is fixedly arranged on the inner side wall of the shell (1), the outer side wall of the shaft body is rotatably connected with a rotating plate (4), the rotating plate (4) corresponds to the mounting hole (2), a detector (5) is fixedly arranged at the top end of the rotating plate (4), a pressing rod (6) is fixedly arranged at the bottom end of the rotating plate (4), a probe (3) corresponding to the top surface of the shell (1) is arranged on the bottom surface of the detector (5), a mounting plate (7) is fixedly arranged at the top of the shell (1), four sliding holes (8) which are uniformly distributed are formed in the mounting plate (7), the sliding holes (8) are communicated with the inside of the shell (1), a sliding block (9) is slidably connected to the inner side wall of the sliding holes (8), and a limiting mechanism is arranged on the sliding block (9), the bottom of the sliding block (9) is rotatably connected with a connecting rod (10), the sliding blocks (9) are rotatably connected with the same circular plate (11) through the connecting rod (10), and a spring and a pressing rod (6) are arranged between the top surface of the circular plate (11) and the mounting plate (7) and are abutted to the bottom surface of the circular plate.

2. The testing fixture of claim 1, wherein the pressing rod (6) is disposed in an arc shape, and the concave surface of the pressing rod (6) faces upward.

3. The testing fixture of claim 1, wherein the mounting plate (7) is disposed in an "X" shape, and the mounting plate (7) is made of an insulating material.

4. The testing jig for the circuit board according to claim 1, wherein the limiting mechanism comprises a protrusion (12) fixedly arranged on the outer side wall of the sliding block (9), and a sliding groove (13) matched with the protrusion (12) is formed on the inner side wall of the sliding opening (8).

5. The circuit board testing jig according to claim 1, further comprising a clamping mechanism, wherein the clamping mechanism comprises a clamping block (14) rotatably connected to the top of the sliding block (9), the clamping block (14) is provided with a notch (15) with a right angle vertex angle, and the four notches (15) face the geometric center of the mounting plate (7).

6. The jig for testing circuit boards according to claim 5, wherein the top of the notch (15) is inclined, and one end of the notch located at the edge of the clamping block (14) is higher than one end of the notch located at the center of the clamping block (14).

7. The circuit board testing jig according to claim 1, characterized in that a pull rod (16) is fixedly arranged at the front end of the detector (5), and an insulating sleeve (17) is sleeved outside the pull rod (16).