CN219625538U

CN219625538U - PCBA function test fixture

Info

Publication number: CN219625538U
Application number: CN202223546933.XU
Authority: CN
Inventors: 蔡荣坛
Original assignee: Dongguan Rongsheng Mold Plastic Products Co ltd
Current assignee: Dongguan Rongsheng Mold Plastic Products Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-01
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of CBA function test jigs, in particular to a PCBA function test jig. The technical scheme includes that the test box and the starting drive motor drive the driving gear to rotate, and then drive the driven gear and the threaded rod to rotate, so that the threaded rod and the clamping frame simultaneously move outwards or inwards, the subsequent clamping of the test jigs with different specifications and sizes is facilitated, and the application range and the application performance of the test jigs are effectively improved; the centre gripping frame can carry out centre gripping and protection to test jig body side, is utilizing backup pad and supporting spring pole to slow down the vibration and the impact force of test jig body, has played better anticollision effect and damping performance, the effectual life who improves test jig body, it is relatively poor to have solved current test jig protective properties simultaneously, and does not possess the protective effect mostly, and external object is easy to collide rather than causing its damage in the use, easily causes the problem of tool damage under violent vibrations state.

Description

PCBA function test fixture

Technical Field

The utility model relates to the technical field of CBA function test jigs, in particular to a PCBA function test jig.

Background

PCB (PrintedCircuitBoard) the Chinese name is printed circuit board, also called printed circuit board, is an important electronic component, is a support for electronic components, is a carrier for electronic components to be electrically connected, PCBA is a printed circuit assembly board on the PCB board, which is mounted by SMT and through DIP plug-in, performance test is required to be performed after the PCBA board is mounted to ensure the service performance of the PCBA, functional test action is required to be completed by means of relevant test jigs, and test results are transmitted to a visual interface of a computer by the jigs, so that the PCBA functional test jigs are proposed.

Through retrieval, patent publication No. 202122103436.1 discloses a PCBA function test fixture for preventing collision, which comprises a base, the top fixed mounting of base has the protective housing, the both sides of protective housing inner chamber all fixedly mounted has the curb plate, the inner chamber activity card of protective housing inner wall is equipped with the slider, the inboard fixedly connected with connecting block of slider, the inboard fixedly connected with third axle bed of connecting block, the top fixed mounting of base has damping bumper shock absorber, the top fixed mounting of damping bumper shock absorber has the backup pad, the both sides at backup pad top all fixed mounting has first axle bed, the top of first axle bed is rotated and is installed the spacing axle of second, the inboard of third axle bed is rotated and is installed first spacing axle, the inboard of first spacing axle is rotated and is installed the support telescopic link, the bottom of support telescopic link is rotated with the top of the spacing axle of second and is connected, the top fixed mounting of third axle bed has the diaphragm;

the existing 202122103436.1 technology is poor in protection performance in the using process, most of the existing 202122103436.1 technology does not have protection effect, external objects are easy to collide with the existing 202122103436.1 technology in the using process to cause damage, and the existing 202122103436.1 technology is easy to cause damage to the existing 202122103436.1 technology in a severe vibration state, so that the service life of the existing 202122103436.1 technology is shortened.

Disclosure of Invention

The utility model aims to provide a PCBA function test fixture to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the PCBA function test fixture comprises a test box, a support frame, a threaded rod, a threaded block, a clamping frame, a driven gear, a driving gear, a support plate, a driving motor and a cavity; the inside intermediate position of test box has seted up the cavity, the inside lower extreme fixed connection and the driving motor of cavity, swing joint has the driving gear on driving motor's the upside output, the equal swing joint in both sides of cavity has the threaded rod, and the outer end of threaded rod all runs through and extends to the outside of cavity, the inboard tip equal fixedly connected with and the driven gear that driving gear intermeshing set up of cavity are arranged in to the threaded rod, and all be provided with the support frame on the outside penetration end of threaded rod, equal thread bush is equipped with the screw thread piece on the pole wall of threaded rod, the upside tip fixedly connected with holder of screw thread piece.

Preferably, the centre gripping chamber has been seted up to the upper portion intermediate position of test box, the equal swing joint in inside both sides in centre gripping chamber has the centre gripping frame, and the equal fixedly connected with in outside lower part of centre gripping frame three equidistant clamping lever of arranging, the one end of clamping lever all runs through the test box and extends to between inside and the centre gripping frame of test box fixed connection, and the equal swing joint in inside downside in centre gripping chamber has the backup pad, equal fixedly connected with support spring bar between the diapire in lower extreme both sides and the centre gripping chamber of backup pad, the inboard clamp of backup pad and centre gripping frame holds the test fixture body, the upside end swing joint of test fixture body has the lifting handle.

Compared with the prior art, the utility model has the beneficial effects that: starting the driving motor to drive the driving gear to rotate, and further driving the driven gear and the threaded rod to rotate, so that the threaded rod and the clamping frame simultaneously move outwards or inwards, the subsequent clamping of the testing jigs with different specifications and sizes is facilitated, and the application range and the application performance of the testing jigs are effectively improved;

carry out the centre gripping fixedly to test fixture body through centre gripping frame and backup pad, the centre gripping frame can carry out centre gripping and protection to test fixture body side, utilize backup pad and support spring bar to slow down the vibration and the impact force of test fixture body, play better anticollision effect and damping performance, the effectual life who improves test fixture body, it is relatively poor to have solved current test fixture barrier propterty simultaneously, and do not possess the protection effect mostly, external object is easy with bump rather than causing its damage in the use, easily cause the problem of tool damage under violent vibration state.

Drawings

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

FIG. 2 is a schematic view of the exterior of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model;

in the figure: 1-test box, 2-support frame, 3-threaded rod, 4-screw thread piece, 5-holder, 6-holder, 7-holder, 8-test fixture body, 9-handle, 10-driven gear, 11-driving gear, 12-driving motor, 13-cavity, 14-support spring rod, 15-backup pad, 16-centre gripping chamber.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, 2, 3 and 4, the PCBA function test fixture provided by the utility model comprises a test box 1, a support frame 2, a threaded rod 3, a thread block 4, a clamping frame 5, a driven gear 10, a driving gear 11, a driving motor 12 and a cavity 13; the inside intermediate position of test box 1 has seted up cavity 13, the inside lower extreme fixed connection and the driving motor 12 of cavity 13, swing joint has driving gear 11 on driving motor 12's the upside output, the equal swing joint in both sides of cavity 13 has threaded rod 3, and the outside that extends to cavity 13 is all run through to the outer end of threaded rod 3, the driven gear 10 that the inboard tip equal fixedly connected with and the driving gear 11 intermeshing set up of cavity 13 is arranged in to threaded rod 3, and all be provided with support frame 2 on the outside running through of threaded rod 3, all the thread bush is equipped with screw thread piece 4 on the pole wall of threaded rod 3, the upside tip fixedly connected with carriage 5 of screw thread piece 4.

The working principle based on embodiment 1 is: the driving motor 12 is started to drive the driving gear 11 to rotate, and then the driven gear 10 and the threaded rod 3 are driven to rotate, so that the threaded rod 3 and the clamping frame 5 can simultaneously move outwards or inwards, the subsequent clamping of the testing jigs with different specifications and sizes is facilitated, and the application range and the application performance of the testing jigs are effectively improved.

Example two

As shown in fig. 1 and 2, compared with the first embodiment, the PCBA function test fixture of the present utility model further includes a clamping rod 6, a clamping frame 7, a test fixture body 8, a lifting handle 9, a supporting spring rod 14, a supporting plate 15 and a clamping cavity 16; the upper portion intermediate position of test box 1 has seted up centre gripping chamber 16, the inside both sides of centre gripping chamber 16 all swing joint has centre gripping frame 7, and the equal fixedly connected with of outside lower part of centre gripping frame 7 is three equidistant clamping lever 6 of arranging, the one end of clamping lever 6 all runs through test box 1 and extends to between the inside of test box 1 and the holder 5 fixed connection, and the equal swing joint of inside downside of centre gripping chamber 16 has backup pad 15, equal fixedly connected with support spring rod 14 between the diapire of backup pad 15 lower extreme both sides and centre gripping chamber 16, test fixture body 8 is held to the inboard clamp of backup pad 15 and centre gripping frame 7, the upside tip swing joint of test fixture body 8 has lifting handle 9.

In this embodiment, as shown in fig. 2 and 3, the clamping frame 7 and the supporting plate 15 are used for clamping and fixing the test fixture body 8, the clamping frame 7 can clamp and protect the side edge of the test fixture body 8, the supporting plate 15 and the supporting spring rod 14 are utilized for slowing down the vibration and impact force of the test fixture body 8, the better anti-collision effect and the shock-absorbing performance are achieved, the service life of the test fixture body 8 is effectively prolonged, meanwhile, the problem that the existing test fixture is poor in protective performance and mostly does not have protective effect is solved, the external object is easy to collide with the external object to cause damage in the use process, and the damage of the fixture is easy to cause under the severe vibration state.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

A PCBA function test fixture comprises a test box (1), a support frame (2), a threaded rod (3), a threaded block (4), a clamping frame (5), a driven gear (10), a driving gear (11), a driving motor (12), a support plate (15) and a cavity (13); the method is characterized in that: the testing box is characterized in that a cavity (13) is formed in the middle of the inside of the testing box (1), the lower end of the inside of the cavity (13) is fixedly connected with a driving motor (12), a driving gear (11) is movably connected to the upper side output end of the driving motor (12), and threaded rods (3) are movably connected to the two sides of the cavity (13).
2. The PCBA function test fixture according to claim 1, wherein: clamping cavities (16) are formed in the middle of the upper portion of the test box (1), clamping frames (7) are movably connected to two sides of the inner portion of each clamping cavity (16), and three groups of clamping rods (6) which are arranged at equal intervals are fixedly connected to the lower portion of the outer side of each clamping frame (7).
3. The PCBA function test fixture according to claim 1, wherein: the outer ends of the threaded rods (3) penetrate through and extend to the outer side of the cavity (13), and driven gears (10) which are meshed with the driving gears (11) are fixedly connected to the inner side ends of the threaded rods (3) arranged in the cavity (13).
4. The PCBA function test fixture according to claim 1, wherein: the support frames (2) are arranged at the outer penetrating ends of the threaded rods (3), threaded blocks (4) are sleeved on the rod walls of the threaded rods (3) in a threaded mode, and clamping frames (5) are fixedly connected to the upper side end portions of the threaded blocks (4).
5. The PCBA function test fixture according to claim 2, wherein: one end of each clamping rod (6) penetrates through the test box (1) and extends to the position between the inside of the test box (1) and the clamping frame (5) to be fixedly connected, and the supporting plate (15) is movably connected to the lower side of the inside of the clamping cavity (16).
6. The PCBA function test fixture according to claim 1, wherein: the test fixture is characterized in that support spring rods (14) are fixedly connected between two sides of the lower end of the support plate (15) and the bottom wall of the clamping cavity (16), the test fixture body (8) is clamped on the inner sides of the support plate (15) and the clamping frame (7), and lifting handles (9) are movably connected to the upper end parts of the test fixture body (8).