CN218956647U

CN218956647U - Spiral cover type chip test seat convenient for chip lamination

Info

Publication number: CN218956647U
Application number: CN202223323024.XU
Authority: CN
Inventors: 范彩凤
Original assignee: Beizhen Zhejiang Electronic Technology Co ltd
Current assignee: Beizhen Zhejiang Electronic Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-02
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to a spiral cover type chip test seat convenient for chip lamination, which comprises a base, wherein a panel is arranged on the base, a mounting cavity is arranged in the base, a chip positioning plate, a chip connecting plate and a probe connecting plate which are connected with each other are sequentially arranged in the mounting cavity, a gland capable of sliding along the height direction is arranged on the panel, a telescopic pressing plate is arranged on one side of the gland, facing the chip connecting plate, of the gland, an elastic pressing structure is arranged on one side of the pressing plate, facing away from the chip connecting plate, of the pressing plate, and when the gland moves downwards, the elastic pressing structure acts on the pressing plate along the direction perpendicular to the pressing plate due to the reaction force generated by deformation, so that the pressing plate can tightly press chips on the chip connecting plate. The utility model has the following advantages and effects: when the chip to be tested is pressed, the reaction force generated by deformation of the elastic pressing structure acts on the pressing plate along the direction perpendicular to the pressing plate, so that the chip is ensured to be stressed uniformly, and the chip tester can be stably connected, so that the chip can be conveniently and subsequently detected.

Description

Spiral cover type chip test seat convenient for chip lamination

Technical Field

The utility model relates to the technical field of chip testing, in particular to a spiral cover type chip testing seat convenient for chip lamination.

Background

In the field of semiconductors, in order to control the quality of products, before leaving the factory, a chip tester is required to test the opening and short circuit conditions of a single IC component and each circuit network of the chip, and the analog device function and the digital device logic function correspondingly, while a chip test seat is a common connector for connecting a chip to be tested with the chip tester.

For example, chinese patent document with bulletin number CN208420979U discloses a flip type IC test socket, which is composed of a fixing seat, a chip seat and a closing cover, wherein the chip seat is fixed on the fixing seat, the closing cover is connected with the chip seat through a connecting device, a chip groove and a clamping groove are arranged on the chip seat, the structures of two sides of the closing cover are correspondingly consistent, and a chip pad and a buckle are arranged on the closing cover; the connecting device is composed of a fixed column, a telescopic column, a first fixed disc and a second fixed disc, one end of the telescopic column is embedded in the fixed column and is rotationally connected with the fixed column, and the other end of the telescopic column is fixedly connected with the first fixed disc body.

According to the technical scheme, the chip pad on the closing cover is buckled on the chip seat, so that the chip pad on the closing cover can tightly push against the chip in the chip groove, pins at the bottom of the chip can be ensured to be stably connected with the probes in the chip groove, however, the inventor finds out in the process of implementing the technical scheme, the pressure of the chip pad on the chip is not vertically acted on the chip in the process of pushing against the chip along with the overturning of the closing cover, and the component force of partial non-vertical acting on the chip can cause uneven stress of the chip, so that the pins at the bottom of the chip and the probes in the chip groove are inclined in the process of connecting, and the stable connection of the chip and the chip tester is affected.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the screw cap type chip test seat which is convenient for chip lamination, and the screw cap type chip test seat can ensure that the stress of a chip is uniform when the chip to be tested is laminated, so that the chip and the chip test machine can be stably connected, and the chip can be conveniently detected subsequently.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spiral cover formula chip test seat convenient to chip pressfitting, includes the base, be equipped with the panel that can open on the base, be equipped with the installation cavity in the base, be equipped with interconnect's chip locating plate, chip connecting plate and probe connecting plate from last to being equipped with down in proper order along the direction of height in the installation cavity, be equipped with on the panel and follow the direction of height and carry out gliding gland, the gland is located one side towards the chip connecting plate and is equipped with telescopic clamp plate, the clamp plate is located one side that is away from the chip connecting plate and is equipped with elasticity roof pressure structure, when the gland moves down, the reaction force that elasticity roof pressure structure produced acts on the clamp plate along the direction of perpendicular to clamp plate to ensure that the clamp plate closely pushes up the chip on the chip connecting plate.

The utility model is further provided with: the panel is provided with through holes matched with the gland, the outer wall of the gland is provided with a plurality of sliding blocks which are uniformly distributed according to the circumference, the through holes are internally provided with sliding grooves corresponding to the sliding blocks, and the sliding blocks are positioned in the sliding grooves and can form sliding fit between the sliding blocks.

The utility model is further provided with: be equipped with the cavity in the gland, be equipped with the connecting plate in the cavity, the connecting plate is located the top of clamp plate, elasticity roof pressure structure includes the ejector pin, the ejector pin sets up between clamp plate and connecting plate, the ejector pin is a plurality of and according to circumference evenly distributed, ejector pin one end is fixed in the clamp plate, and the other end stretches out from the connecting plate as the extension end, be equipped with the spring of suit in ejector pin periphery between clamp plate and the connecting plate, the connecting plate top is equipped with the spiral cover, the spiral cover carries out the roof pressure through rotatory to the extension end, drives the clamp plate and moves down to further ensure that the clamp plate closely pushes up the pressure to the chip on the chip connecting plate.

The utility model is further provided with: the gland inner wall is equipped with the annular, spiral cover periphery sets up in the annular, be equipped with the rotation portion of being convenient for rotate the spiral cover on the spiral cover, spiral cover bottom is equipped with the butt piece that corresponds with the ejector pin, the spiral cover is through rotatory to make the butt piece carry out the roof pressure to the extension.

The utility model is further provided with: the butt piece outer wall is equipped with the guiding part, the guiding part bottom is equipped with the guide lateral wall that increases in proper order and form towards extension end top direction height, the extension end is the arcuation.

The utility model is further provided with: the sliding block is provided with a lifting lug extending out of the sliding groove.

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

through set up on the panel and can follow the gliding gland of direction of height, after the panel lock is in the base, through moving down the gland for the clamp plate can be with the chip connecting plate contact, along with the continuation of gland moves down, the clamp plate can be to elasticity roof pressure structure roof pressure, make elasticity roof pressure structure because of the reaction force that deformation produced acts on the clamp plate along the direction of perpendicular to clamp plate, so the chip on the chip connecting plate is closely pushed down to the assurance clamp plate, therefore, effectively solved current chip test seat when pushing down the chip, lead to the chip atress uneven easily, make the pin of chip bottom and the probe in the chip groove appear crooked technical problem in the in-process of being connected, and then when waiting to survey the chip to press, can ensure that the chip atress is even, make chip and chip tester can stable connection, in order to follow-up detect the chip.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the utility model when the gland is moved down and the screw cap is not rotated to push the extension end;

fig. 4 is a schematic view of the internal structure of the utility model when the gland is moved down and the screw cap is rotated to press the extension end.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the utility model discloses a spiral cover type chip test seat convenient for chip lamination, which comprises a base 1, wherein an openable panel 2 is arranged on the base 1, a mounting cavity 3 is arranged in the base 1, a chip positioning plate 4, a chip connecting plate 5 and a probe connecting plate 6 which are connected with each other are sequentially arranged in the mounting cavity 3 from top to bottom along the height direction, a pressing cover 7 capable of sliding along the height direction is arranged on the panel 2, a telescopic pressing plate 8 is arranged on one side of the pressing cover 7, facing the chip connecting plate 5, of the pressing plate 8, an elastic pressing structure is arranged on one side, facing away from the chip connecting plate 5, of the pressing plate 8, when the pressing cover 7 moves downwards, the elastic pressing structure acts on the pressing plate 8 along the direction perpendicular to the pressing plate 8 due to the reaction force generated by deformation, so as to ensure that the pressing plate 8 tightly presses the chip connecting plate 5, after the panel 2 is buckled on the base 1, the pressing plate 8 can be contacted with the chip connecting plate 5, the elastic pressing structure can be pressed against the chip along with the continuous downward movement of the pressing cover 7, the elastic pressing structure can be ensured, the chip can be stably pressed on the chip connecting plate 8 when the chip connecting plate is continuously detected, and the chip can be stably pressed, and the chip can be stably and stably pressed.

In this embodiment, the structure of the gland 7 sliding along the height direction of the panel 2 is that through holes 21 matching with the gland 7 are provided on the panel 2, the outer wall of the gland 7 is provided with a plurality of sliding blocks 71, the sliding blocks 71 are uniformly distributed along the circumference, the through holes 21 are provided with sliding grooves corresponding to the sliding blocks 71, the sliding blocks 71 are positioned in the sliding grooves and can form sliding fit between the sliding blocks, the sliding blocks 71 are matched with the sliding grooves in shape, so that a certain friction force between the sliding blocks 71 and the sliding grooves can be ensured, and when the panel 2 is used, the sliding blocks 71 can slide in the sliding grooves by pushing the gland 7, so that the gland 7 slides along the height direction of the panel 2.

In this embodiment, a cavity 72 is further provided in the gland 7, a connecting plate 73 is provided in the cavity 72, the connecting plate 73 is located above the pressing plate 8, the elastic pressing structure includes a plurality of ejector pins 91, the ejector pins 91 are disposed between the pressing plate 8 and the connecting plate 73, the ejector pins 91 are uniformly distributed according to the circumference, one end of each ejector pin 91 is fixed to the pressing plate 8, the other end extends out from the connecting plate 73 as an extension end 911, a spring 92 sleeved on the periphery of the ejector pin 91 is provided between the pressing plate 8 and the connecting plate 73, and two ends of the spring 92 are respectively fixed to the pressing plate 8 and the connecting plate 73, after the gland 7 is moved down, the reaction force generated by the spring 92 due to deformation acts on the pressing plate 8 along the direction perpendicular to the pressing plate 8 to ensure that the pressing plate 8 tightly presses the chip on the chip connecting plate 5, the spiral cover 93 carries out the roof pressure through rotatory extension 911 to drive clamp plate 8 and move down, further ensure that clamp plate 8 is closely against the chip on the chip connecting plate 5, its specific structure is, be equipped with annular 74 at gland 7 inner wall, spiral cover 93 periphery sets up in annular 74, be equipped with the rotation portion 931 of the rotatory lid 93 of being convenient for rotate on the spiral cover 93, the spiral cover 93 bottom is equipped with the butt piece 932 that corresponds with ejector pin 91, the spiral cover 93 is through rotatory, so that butt piece 932 carries out the roof pressure to extension 911, after gland 7 moves down, through rotating spiral cover 93, make butt piece 932 can be towards extension 911 and can push down ejector pin 91 after contacting with extension 911, further drive clamp plate 8 moves down, ensure that clamp plate 8 can be closely pressfitting on chip connecting plate 5.

In this embodiment, a guiding portion is further provided on the outer wall of the abutting block 932, a guiding sidewall 932a is provided at the bottom end of the guiding portion, the heights of the guiding sidewall 932a are sequentially increased towards the top end of the extending end 911, the extending end 911 is arc-shaped, when the abutting block 932 moves towards the extending end 911 along with rotation of the screw cap 93, the guiding sidewall 932a and the extending end 911 with arc-shaped top end are mutually matched, the abutting block 932 can be conveniently moved to the upper portion of the extending end 911, so as to press the push rod 91, and interference of rotation of the screw cap 93 caused by rotation of the extending end 911 on the screw cap 93 is prevented.

In this embodiment, the slider 71 is further provided with a lifting lug 711 extending out of the chute, and by providing the lifting lug 711, the pressing cover 7 can be pushed to move in the height direction on the panel 2.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a spiral cover formula chip test seat convenient to chip pressfitting, its characterized in that, includes the base, be equipped with the panel that can open on the base, be equipped with the installation cavity in the base, be equipped with interconnect's chip locating plate, chip connecting plate and probe connecting plate from last to being equipped with down in proper order along the direction of height in the installation cavity, be equipped with on the panel and follow the direction of height and carry out gliding gland, the gland is located one side towards the chip connecting plate and is equipped with telescopic clamp plate, the clamp plate is located one side of being equipped with the elasticity roof pressure structure dorsad the chip connecting plate, when the gland moves down, the reaction force that elasticity roof pressure structure produced acts on the clamp plate along the direction of perpendicular to clamp plate to ensure that the clamp plate closely pushes up the chip on the chip connecting plate.

2. The spiral cover type chip test seat convenient for chip pressing according to claim 1, wherein the panel is provided with a through hole matched with the pressing cover, the outer wall of the pressing cover is provided with a plurality of sliding blocks which are uniformly distributed according to the circumference, the through hole is internally provided with sliding grooves corresponding to the sliding blocks, and the sliding blocks are positioned in the sliding grooves and can form sliding fit between the sliding grooves.

3. The spiral cover type chip test seat convenient for chip pressing according to claim 1, wherein a cavity is formed in the pressing cover, a connecting plate is arranged in the cavity, the connecting plate is located above the pressing plate, the elastic pressing structure comprises a plurality of ejector rods, the ejector rods are arranged between the pressing plate and the connecting plate and are uniformly distributed according to the circumference, one end of each ejector rod is fixed on the pressing plate, the other end of each ejector rod extends out of the connecting plate to serve as an extending end, a spring sleeved on the periphery of each ejector rod is arranged between the pressing plate and the connecting plate, a spiral cover is arranged above the connecting plate, and the spiral cover presses the extending end through rotation to drive the pressing plate to move downwards so as to further ensure that the pressing plate tightly presses chips on the chip connecting plate.

4. The spiral cover type chip test seat convenient for chip pressing according to claim 3, wherein the inner wall of the pressing cover is provided with a ring groove, the periphery of the spiral cover is arranged in the ring groove, a rotating part convenient for rotating the spiral cover is arranged on the spiral cover, an abutting block corresponding to the ejector rod is arranged at the bottom of the spiral cover, and the spiral cover rotates to enable the abutting block to push the extending end.

5. The cap screwing type chip testing seat for facilitating chip pressing according to claim 4, wherein the outer wall of the abutting block is provided with a guide portion, the bottom end of the guide portion is provided with a guide side wall which is formed by sequentially increasing the heights towards the top end direction of the extending end, and the extending end is arc-shaped.

6. The flip chip tester of claim 2, wherein the slider has a tab extending out of the slot.