CN220154583U - Small-size circuit board test fixture - Google Patents

Abstract

The utility model discloses a small-size circuit board test fixture, which belongs to the field of test fixtures and comprises a test fixture, wherein a test groove is formed in the upper surface of the test fixture, a test plug is arranged at the wall body of the test groove of the test fixture, a circuit board to be tested is arranged in the test groove of the test fixture, and a clamping device is arranged in the test groove of the test fixture and comprises a positioning frame, a protruding slide bar, a connecting support arm, an electric telescopic rod and a positioning support plate. During testing, the electric telescopic rod drives the test interface on the circuit board to be tested to be connected with the test plug of the test fixture and conduct test work, after testing is completed, the electric telescopic rod drives the falling opening part of the positioning frame to be completely exposed and facilitates automatic unloading of the circuit board to be tested, the function of automatic pulling, inserting and unloading of the circuit board to be tested during testing can be achieved by adopting the mode of matching the positioning frame and the electric telescopic rod, and the trouble that the circuit board to be tested with small size is inconvenient to hold and clamp and detach during testing is reduced.

Description

Small-size circuit board test fixture

Technical Field

The utility model relates to the field of test jigs, in particular to a small-size circuit board test jig.

Background

The conductive patterns formed by making printed circuits, printed elements or a combination of the printed circuits and the printed elements on an insulating material according to a preset design are generally called printed circuits, and the conductive patterns for providing electrical connection between components and devices on the insulating substrate are called printed circuits, so that the printed circuits or finished boards of the printed circuits are called printed circuit boards, and at present, the circuit boards can be tested in terms of electrical performance by using a test fixture when tested, and the interface of the circuit boards is required to be connected with the joint of the test fixture; however, some circuit boards are inconvenient to hold because of smaller size, so that the plugging operation of the interface of the small circuit board and the testing jig connector is difficult, and the testing operation of some testing jigs also needs to fix the circuit board in the arranged detection groove, so that the circuit board is inconvenient to take out from the detection groove because of smaller size.

Disclosure of Invention

The utility model mainly aims to provide a small-size circuit board test fixture which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a small-size circuit board test fixture, includes test fixture, the test tank has been seted up to test fixture's upper surface, test fixture's test tank place wall department is provided with test plug, be provided with the circuit board that awaits measuring in test fixture's the test tank, be provided with clamping device in test fixture's the test tank, clamping device includes locating frame, protrusion slide, connection support arm, electric telescopic handle and location extension board, one side fixed surface of locating frame installs the location extension board, be provided with the location opening between the location extension board, one side surface edge fixed mounting of locating frame has the protrusion slide, one side fixed surface of locating frame installs the connection support arm, one end fixed mounting of connection support arm has electric telescopic handle.

As a further improvement of the scheme, the inner part of the positioning frame is provided with a falling opening, the inner wall of the test fixture is provided with a guide chute, and the positioning frame slides at the guide chute of the test fixture through a protruding slide bar.

As a further improvement of the scheme, the shell of the electric telescopic rod is fixedly connected with the test jig, and one end of the connecting support arm is fixedly connected with the output end of the electric telescopic rod.

As a further improvement of the scheme, the surface of the circuit board to be tested is provided with a test interface, and the test interface of the circuit board to be tested is matched with the test plug in the test slot in a clamping way.

As a further improvement of the scheme, the circuit board to be tested is matched with the positioning frame, and the positioning frame stops in a multi-stroke mode through the electric telescopic rod.

As a further improvement of the scheme, the four corners of the lower surface of the test fixture are fixedly provided with the supporting foot seats, the upper part of the test fixture is provided with the test control panel, and the electric telescopic rod is electrically connected with the test control panel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arranged clamping device, the electric telescopic rod drives the test interface on the circuit board to be tested to be connected with the test plug of the test fixture and test the circuit board, after the test is completed, the electric telescopic rod drives the falling opening part of the positioning frame to be completely exposed and facilitates the automatic unloading of the circuit board to be tested, and the positioning frame and the electric telescopic rod are matched, so that the automatic plugging and unloading functions of the circuit board to be tested during the test can be realized, and the trouble that the small-size circuit board to be tested is inconvenient to hold, clamp and disassemble during the test is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a diagram illustrating a moving-out state of the positioning frame according to the present utility model;

fig. 3 is a schematic structural diagram of the clamping device of the present utility model.

In the figure: 1. testing a jig; 2. testing a control panel; 3. a test slot; 4. a test plug; 5. a support foot base; 6. clamping device; 7. a circuit board to be tested; 8. a positioning frame; 9. protruding a slide bar; 10. the connecting support arm; 11. an electric telescopic rod; 12. positioning a support plate; 13. positioning the opening; 14. a drop port; 15. and a guiding chute.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

As shown in fig. 1-3, a small-size circuit board test fixture comprises a test fixture 1, wherein a test groove 3 is formed in the upper surface of the test fixture 1, a test plug 4 is arranged at the wall where the test groove 3 of the test fixture 1 is located, a circuit board 7 to be tested is arranged in the test groove 3 of the test fixture 1, a clamping device 6 is arranged in the test groove 3 of the test fixture 1, a test interface is arranged on the surface of the circuit board 7 to be tested, the test interface of the circuit board 7 to be tested is matched with the test plug 4 in the test groove 3 in a clamping manner, supporting leg seats 5 are fixedly arranged at four corners of the lower surface of the test fixture 1, a test control panel 2 is arranged on the upper portion of the test fixture 1, and an electric telescopic rod 11 is electrically connected with the test control panel 2.

Clamping device 6 includes locating frame 8, protruding slide bar 9, connect support arm 10, electric telescopic handle 11 and location extension board 12, one side fixed surface of locating frame 8 installs location extension board 12, be provided with location opening 13 between the location extension board 12, one side surface edge fixed mounting of locating frame 8 has protruding slide bar 9, one side fixed surface of locating frame 8 installs connect support arm 10, connect support arm 10's one end fixed mounting has electric telescopic handle 11, the whereabouts mouth 14 has been seted up to the inside of locating frame 8, the direction spout has been seted up to the inner wall of test fixture 1, locating frame 8 slides in test fixture 1's direction spout department through protruding slide bar 9, electric telescopic handle 11's casing and test fixture 1 fixed connection, connect support arm 10's one end and electric telescopic handle 11's output fixed connection, circuit board 7 and locating frame 8 phase-match that awaits measuring, locating frame 8 is stopped through electric telescopic handle 11 multipass, at the time, electric telescopic handle 11 orders about the test interface on circuit board 7 and test fixture 1's test plug 4 are connected and carry out test operation, the test handle is convenient to take off the test mode of the test fixture 7 when the test fixture 7 is difficult to take off the test handle 7 and the test handle 7 is realized to the location and the automatic test handle 7 is difficult to take off, the test position when the test fixture 7 is accomplished, the test handle is convenient to take off the position and the test handle 7 is convenient to take off the test position and the test handle 7.

It should be noted that, the utility model is a small-sized circuit board testing fixture, before testing, the circuit board 7 to be tested is placed in the positioning frame 8 in the test slot 3, the size of the circuit board 7 to be tested is matched with the positioning frame 8, at this time, the test interface of the circuit board 7 to be tested stretches out of the positioning opening 13 between the positioning support plates 12, then the electric telescopic rod 11 is opened, the output end of the electric telescopic rod 11 contracts inwards and drives the positioning frame 8 to completely enter the test slot 3 of the testing fixture 1, so that the test interface on the circuit board 7 to be tested is connected with the test plug 4 of the testing fixture 1 and performs testing work, after testing is completed, the electric telescopic rod 11 drives the positioning frame 8 to move towards the outside direction of the test slot 3 again until the falling opening 14 of the positioning frame 8 is completely exposed and the circuit board 7 to be tested is convenient to be automatically discharged, the functions of automatically pulling, inserting and discharging the circuit board 7 to be tested in the test can be realized by adopting the mode of matching the positioning frame 8 with the electric telescopic rod 11, and the trouble of inconvenient holding and disassembling the circuit board 7 to be tested in the small-sized test process is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Although embodiments of the present utility model have been shown and described, it is therefore not intended to limit the scope of the utility model to the equivalent structures or equivalent processes using the description of the utility model and the accompanying drawings, or to use directly or indirectly in other related technical fields, which are equally encompassed by the scope of the utility model, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations of these embodiments may be made without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a small-size circuit board test fixture, includes test fixture (1), its characterized in that: test groove (3) have been seted up to the upper surface of test fixture (1), test plug (4) are provided with in the wall department that test groove (3) place of test fixture (1), be provided with circuit board (7) to be tested in test groove (3) of test fixture (1), be provided with clamping device (6) in test groove (3) of test fixture (1), clamping device (6) include locating frame (8), protrusion slide (9), connect support arm (10), electric telescopic handle (11) and location extension board (12), one side fixed surface of locating frame (8) installs location extension board (12), be provided with location opening (13) between location extension board (12), one side surface edge fixed mounting of locating frame (8) has protrusion slide (9), one side fixed surface of locating frame (8) installs connection support arm (10), one end fixed mounting of connection support arm (10) has electric telescopic handle (11).

2. The small-sized circuit board testing jig according to claim 1, wherein: the inside of locating frame (8) has seted up whereabouts mouth (14), the guide spout has been seted up to the inner wall of test fixture (1), locating frame (8) are through protruding draw runner (9) at the guide spout department of test fixture (1) slip.

3. The small-sized circuit board testing jig according to claim 2, wherein: the shell of the electric telescopic rod (11) is fixedly connected with the test fixture (1), and one end of the connecting support arm (10) is fixedly connected with the output end of the electric telescopic rod (11).

4. The small-sized circuit board testing jig according to claim 3, wherein: the surface of the circuit board (7) to be tested is provided with a test interface, and the test interface of the circuit board (7) to be tested is matched with the test plug (4) in the test groove (3) in a clamping way.

5. The small-sized circuit board testing jig according to claim 4, wherein: the circuit board (7) to be tested is matched with the positioning frame (8), and the positioning frame (8) stops in a multi-stroke mode through the electric telescopic rod (11).

6. The small-sized circuit board testing jig according to claim 5, wherein: the four corners of test tool (1) lower surface are all fixed mounting have supporting legs seat (5), the upper portion of test tool (1) is provided with test control panel (2), electric telescopic handle (11) and test control panel (2) electric connection.