Small-profile packaging pin test fixture

Abstract

The utility model relates to the technical field of small-profile packaging, in particular to a small-profile packaging pin test fixture, which comprises a fixture main body, and a cover plate is hinged to the top end of the fixture main body. The mounting mechanism capable of stably contacting the small-shape packaging pin and the test fixture is arranged on the inner wall of the fixture main body; through the arrangement of the mounting mechanism, the limiting plates on the two sides of the clamp main body can limit and extrude the small-shape packaging pins, so that the small-shape packaging pins are in good contact with the test clamp, the limiting plates return to the original positions through extension and retraction of the first springs, and the extrusion plates and the extrusion blocks are matched to support and extrude the limiting plates; the extrusion block is trapezoidal and can support the limiting plate, the limiting plate and the extrusion plate are both T-shaped and are respectively matched with the first spring and the second spring so that the limiting plate and the extrusion plate return to original positions when not in use, the two push blocks at the bottom end of the cover plate can extrude the extrusion block, and the contact effect of the small-shape packaging pin and the test clamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to small appearance packaging technical field, especially a small appearance packaging pin test fixture. BACKGROUND

[0002] Small appearance packaging is a kind of surface mount device packaging form, small appearance moulded plastic packaging both sides have wing or J-shaped short lead surface mount device packaging form, is widely used in various electronic products, when small appearance packaging pin detection needs to use test fixture to test.

[0003] Through the search Chinese patent "a general type chip test fixture and test tool", announcement number "CN218298304U", the patent through certain chip packaging adaptation's maximum foot length's clamping slot, can be used for all chips of this packaging, in combination with the thimble hole can realize directly accurate spring thimble and pierce the chip pin to be measured, there is no thimble distortion, confusion and other problems.The test fixture of the utility model adopts insulating material, can prevent the short circuit problem between spring thimble.In the test process, there is no any influence to chip and PCBA board, but the device is not stable enough when testing small appearance packaging pin, the contact between the pin of small appearance packaging and test fixture, it is not convenient to quickly and stably install small appearance packaging pin, reduces the use effect of device.

[0004] Therefore, a small appearance packaging pin test fixture is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a small appearance packaging pin test fixture to solve the above problems and improve the problem of inconvenient quick and stable installation of small appearance packaging pin.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme, a small appearance packaging pin test fixture, including fixture main part, the top of fixture main part is hinged with cover plate;Installation mechanism can be stable contact between small appearance packaging pin and test fixture The installation mechanism is arranged on the inner wall of fixture main part;Among them, the installation mechanism includes the packaging main body arranged on the inner wall of fixture main part, the top of fixture main part is equipped with installation groove, the packaging main body is arranged on the inner wall of installation groove, the bottom of cover plate is provided with limiting assembly.

[0007] Preferably, the mounting mechanism further comprises sliding grooves opened on both sides of the inner wall of the clamp body, the inner wall of the sliding groove is slidingly connected with a limiting plate, one side of the limiting plate penetrates through the sliding groove and extends into the mounting groove, and two first springs are arranged between the limiting plate and the clamp body on both sides of the limiting plate.

[0008] Preferably, one side of the limiting plate is provided with an extrusion block, the top end of the extrusion block is fixedly connected with an extrusion plate, and the extrusion plate and the extrusion block are both slidingly connected to the inner wall of the clamp body.

[0009] Preferably, two second springs are arranged between the extrusion plate and the clamp body, and the extrusion plate returns to the original position through the two second spring telescopic rods.

[0010] Preferably, the bottom of the cover plate is fixedly connected with a push block on both sides, and one end of the push block penetrates into the inner wall of the clamp body.

[0011] Preferably, the limiting assembly comprises a mounting block slidingly connected to the bottom end of the cover plate, two spring telescopic rods are fixedly connected between the mounting block and the cover plate, and one end of the mounting block is fixedly connected with a supporting plate.

[0012] Preferably, a desiccant is arranged in the inner wall of the mounting block, and the desiccant is arranged at the top end of the packaging body.

[0013] The utility model discloses the beneficial effect is:

[0014] 1. By setting up the mounting mechanism, when the small outline packaging pin is installed in the test fixture, the limiting plate on both sides of the clamp body can limit and extrude the small outline packaging pin, so that the small outline packaging pin and the test fixture are in good contact, the limiting plate returns to the original position through the first spring telescopic rod, the extrusion plate and the extrusion block can support and extrude the limiting plate, the extrusion block is trapezoidal and can support the limiting plate, the limiting plate and the extrusion plate are both T-shaped and cooperate with the first spring and the second spring to return to the original position when not in use, the two push blocks at the bottom end of the cover plate can extrude the extrusion block, one side of the limiting plate is arc-shaped and can quickly limit and protect the small outline packaging, can stably install the small outline packaging pin and improve the contact effect of the small outline packaging pin and the test fixture.

[0015] 2. By setting the limiting assembly, when installing the small outline package pin, the other end of the cover plate is installed on the clamp body through clamping, and the mounting block cooperates with the spring telescopic rod to drive the supporting plate to limit the small outline package pin, preventing the small outline package pin from loosening during testing, and the supporting plate has a certain flexibility to protect it, and the dehumidifier in the mounting block can keep the test fixture dry, so that the small outline package pin can be quickly limited, improving the stability of the small outline package pin. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an appearance structure schematic view of the utility model;

[0017] Figure 2 It is an installation mechanism structure schematic view of the utility model;

[0018] Figure 3 It is Figure 2 An enlarged view of A;

[0019] Figure 4 It is a limiting assembly structure schematic view of the utility model.

[0020] In the drawing: 1, clamp body; 2, cover plate; 3, installation mechanism; 301, package body; 302, installation slot; 303, sliding groove; 304, limiting plate; 305, first spring; 306, extrusion block; 307, extrusion plate; 308, second spring; 309, push block; 310, limiting assembly; 3101, mounting block; 3102, spring telescopic rod; 3103, supporting plate; 3104, dehumidifier. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In specific implementation: as Figures 1-4 Indicated, a small outline package pin test fixture, clamp body 1, the top end of clamp body 1 is hinged with cover plate 2; installation mechanism 3, the installation mechanism 3 that can be stably contacted between small outline package pin and test fixture is set up in the inner wall of clamp body 1; wherein, installation mechanism 3 includes the package body 301 that is set up in the inner wall of clamp body 1, the top end of clamp body 1 is provided with installation slot 302, the package body 301 is set up in the inner wall of installation slot 302, the bottom end of cover plate 2 is provided with limiting assembly 310.

[0023] As Figure 2 and Figure 3 shown, the mounting mechanism 3 further comprises sliding grooves 303 opened on both sides of the inner wall of the clamp body 1, the inner wall of the sliding groove 303 is slidingly connected to a limiting plate 304, one side of the limiting plate 304 penetrates through the sliding groove 303 and extends into the mounting groove 302, two first springs 305 are arranged between the two sides of the limiting plate 304 and the clamp body 1, one side of the limiting plate 304 is provided with a pressing block 306, the top end of the pressing block 306 is fixedly connected with a pressing plate 307, the pressing plate 307 and the pressing block 306 are both slidingly connected to the inner wall of the clamp body 1, two second springs 308 are arranged between the pressing plate 307 and the clamp body 1, the two sides of the bottom of the cover plate 2 are fixedly connected with push blocks 309, one end of the push block 309 penetrates to the inner wall of the clamp body 1, when the small outline packaging pin is mounted, the two push blocks 309 at the bottom end of the cover plate 2 can extrude the pressing plate 307 to make it drive the pressing block 306 to move downward and compress the second spring 308, the second spring 308 extrudes the pressing plate 307 to make it return to the original position through its elasticity, the pressing block 306 extrudes the limiting plate 304 through the one side inclined surface to make it move to one side and compress the first spring 305, one side of the limiting plate 304 is arranged on the pin of the packaging body 301, so that it maintains good contact with the detection clamp, the first spring 305 extrudes the limiting plate 304 to make it return to the original position through its elasticity, which can stably mount the small outline packaging pin and improve the contact effect of the small outline packaging pin and the test clamp.

[0024] As Figure 4 shown, the limiting assembly 310 comprises a mounting block 3101 slidingly connected to the bottom end of the cover plate 2, two spring telescopic rods 3102 are fixedly connected between the mounting block 3101 and the cover plate 2, one end of the mounting block 3101 is fixedly connected with a support plate 3103, a desiccant 3104 is opened in the inner wall of the mounting block 3101, the desiccant 3104 is arranged at the top end of the packaging body 301, when the small outline packaging pin is mounted, the mounting block 3101 at the bottom end of the cover plate 2 drives the support plate 3103 through the spring telescopic rod 3102 to limit and protect the packaging body 301, the desiccant 3104 in the mounting block 3101 can adsorb the moisture in the test clamp, which can quickly limit the small outline packaging pin.

[0025] The utility model discloses when using, place the package main part 301 in the installation groove 302, again close the clamping of cover plate 2 in clamp main part 1, when closing the cover plate 2, drive two push block 309 and insert the inner wall of clamp main part 1 to extrude the extrusion plate 307, and the extrusion plate 307 drive extrusion block 306 to move to the extrusion of spacing plate 304, make spacing plate 304 move to one side to small appearance package pin limit extrusion, and the probe in test fixture is pasted together, and the installation block 3101 is driven support plate 3103 through with spring telescopic rod 3102 cooperation and limit support package main part 301.

[0026] Furthermore, it should be understood that although the present specification describes only one independent technical solution for each embodiment, the specification is described for the sake of clarity only, and the skilled person should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that the skilled person can understand.

Claims

1. A small outline package pin test fixture, comprising: The utility model relates to a small outline package test fixture, which comprises a clamp body (1) with a cover plate (2) hinged to the top end of the clamp body (1), and a mounting mechanism (3) for stable contact between the small outline package pin and the test fixture, which is arranged on the inner wall of the clamp body (1). The mounting mechanism (3) comprises a package body (301) arranged on the inner wall of the clamp body (1), an installation groove (302) formed in the top end of the clamp body (1), and a limiting assembly (310) arranged at the bottom end of the cover plate (2). The mounting mechanism (3) further comprises sliding grooves (303) formed on both sides of the inner wall of the clamp body (1), a limiting plate (304) slidingly connected to the inner wall of the sliding groove (303), two first springs (305) arranged between the limiting plate (304) and the clamp body (1) on both sides of the limiting plate (304), an extrusion block (306) arranged on one side of the limiting plate (304), an extrusion plate (307) fixedly connected to the top end of the extrusion block (306), and the extrusion plate (307) and the extrusion block (306) slidingly connected to the inner wall of the clamp body (1). Two second springs (308) are arranged between the extrusion plate (307) and the clamp body (1). Push blocks (309) are fixedly connected to both sides of the bottom of the cover plate (2), and one end of the push block (309) penetrates through the inner wall of the clamp body (1). The limiting assembly (310) comprises an installation block (3101) slidingly connected to the bottom end of the cover plate (2), two spring telescopic rods (3102) fixedly connected between the installation block (3101) and the cover plate (2), and a supporting plate (3103) fixedly connected to one end of the installation block (3101).

2. The small outline package pin test fixture of claim 1, wherein: A desiccant (3104) is arranged in the inner wall of the installation block (3101) and at the top end of the package body (301).

3. The small outline package pin test fixture of claim 1, wherein: ​ 4. The small outline package pin test fixture of claim 1, wherein: ​ 5. The small outline package pin test fixture of claim 4, wherein: ​

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