Testing device for testing core board

Abstract

The utility model discloses a testing device for testing a core board. The testing device comprises a testing host; a test base plate; a support plate; a rotating mechanism; a lifting rod; the needle seat is arranged on the test bottom plate, the needle seat is provided with a placing cavity, and the edge of the placing cavity is provided with a plurality of thimbles electrically connected with the test bottom plate; the first sliding rod is arranged on the top surface of the test host; the second sliding rod is arranged on the top surface of the test host; one end of the lifting plate is connected with the bottom end of the lifting rod; the connecting rods are arranged on the bottom surface of one end of the lifting plate at intervals; the pressing plate is connected with the bottom ends of the plurality of connecting rods and is used for extruding the to-be-tested core plate on the placing cavity of the needle seat; and a hollow hole for exposing the top surface of the to-be-tested core board on the placing cavity of the needle seat is formed in the pressing plate. Through the above mode, the top surface of the to-be-tested core board can be exposed through the hollow hole when the pressing plate presses the to-be-tested core board, so that maintenance personnel can measure voltage / current signals conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a kind of test device for core board testing. BACKGROUND

[0002] The existing patch type core board testing device on market generally includes test host and test fixture arranged on test host, test fixture is arranged with test backplane connected with test host by data line, needle seat is vertically floatingly assembled on test fixture, placing cavity for placing core board to be tested is formed in needle seat, when core board to be tested is placed in placing cavity, core board to be tested can be electrically connected with test backplane by multiple ejector pins, pressing assembly for vertically pressing core board to be tested is further arranged on test fixture, pressing assembly is located on the upper side of needle seat, pressing assembly can be lowered to press core board to be tested on needle seat by rotating mechanism, when maintenance personnel test repair core board with defect, after pressing assembly presses core board to be tested, voltage / current signal on core board is often measured by using multimeter or even oscilloscope.

[0003] However, when using these test fixtures on market, pressing assembly covers the top layer of core board to be tested completely, so that maintenance personnel is difficult to measure voltage / current signal. CONTENT OF UTILITY MODEL

[0004] (I) technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a kind of test device for core board testing to solve the above technical problem.

[0006] (II) technical scheme

[0007] To solve the above technical problems, the utility model provides technical scheme as follows: a kind of testing device for core board test, including test host, test backplane being arranged in the top surface of the test host and being electrically connected with the test host, support plate being arranged in one side end of the test host, rotating mechanism being rotatably arranged in the top end of the support plate and lifting rod being arranged in the bottom end of the rotating mechanism, it is characterized by further comprising: needle holder, being arranged on the test backplane, wherein the needle holder is provided with the placement cavity for accommodating the core board to be tested, and the edge of the placement cavity of the needle holder is spaced apart from each other and is provided with a plurality of contact pins which are electrically connected with the test backplate and can be telescopically arranged;First sliding rod, being arranged in the top surface of the test host along vertical direction;Second sliding rod, being arranged in the top surface of the test host along vertical direction;Lifting plate, one end of which is connected with the bottom end of the lifting rod, wherein the other end of the lifting plate is spaced apart from each other and is provided with first through hole and second through hole, and the first sliding rod is arranged in the first through hole, and the second sliding rod is arranged in the second through hole;A plurality of connecting rods, being spaced apart from each other and arranged on the bottom surface of one end of the lifting plate;Pressing plate, being connected with the bottom end of the plurality of connecting rods, for extruding the core board to be tested on the placement cavity of the needle holder;Wherein, the pressing plate is provided with a hollow hole for exposing the top surface of the core board to be tested on the placement cavity of the needle holder.

[0008] Further, the pressing plate is rectangular, the needle holder is rectangular, the placement cavity is rectangular, and the hollow hole is rectangular, wherein the length of the hollow hole is equal to or less than the length of the placement cavity, the width of the hollow hole is equal to or less than the width of the placement cavity, the length and width of the pressing plate are greater than the length and width of the placement cavity, and the length and width of the pressing plate are less than the length and width of the needle holder.

[0009] Further, the plurality of connecting rods includes first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, wherein the first connecting rod is arranged in the first corner of the pressing plate along vertical direction, the second connecting rod is arranged in the second corner of the pressing plate along vertical direction, the third connecting rod is arranged in the third corner of the pressing plate along vertical direction, and the fourth connecting rod is arranged in the fourth corner of the pressing plate along vertical direction.

[0010] Further, the edge of the bottom surface of the hollow hole of the pressing plate extends downward to form an extension protrusion for being inserted into the placement cavity of the needle holder.

[0011] Further, the extension protrusion is rectangular, wherein the length and width of the extension protrusion are less than the length and width of the placement cavity.

[0012] Further, the needle holder is further provided with a plurality of notches which are in communication with the placement cavity.

[0013] Further, the dustproof plate is arranged on the test base plate, and the dustproof plate is provided with a receiving hole, and the needle seat is arranged in the receiving hole.

[0014] Further, the dustproof plate is arranged on the test base plate, and the dustproof plate is provided with a receiving hole, and the needle seat is arranged in the receiving hole.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a test device for core board test, has the following beneficial effects: the utility model discloses a test device for core board test including test host, test base plate, support plate, rotating mechanism, lifting rod, needle seat, first sliding rod, second sliding rod, lifting plate, a plurality of connecting rods and pressing plate, wherein the pressing plate is provided with the hollow hole that makes the top surface of the core board to be tested on the placing cavity of needle seat exposes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three -dimensional structure schematic diagram of the test device for core board test of the utility model;

[0018] Figure 2 It is the first partial structure schematic diagram of the test device in Figure 1

[0019] Figure 3 It is the second partial structure schematic diagram of the test device in Figure 1

[0020] Figure 4 It is the third partial structure schematic diagram of the test device in Figure 1

[0021] Figure 5 It is the structure schematic diagram of the needle seat of the test device in Figure 1 DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0023] As Figures 1-5 ​​​​As shown, the utility model discloses a core board test's test device for testing host computer 10, the test bottom plate 11 of setting in testing host computer 10's top and with testing host computer 10 electricity is connected, the support plate 12 of setting in testing host computer 10 one side end, the rotating mechanism 13 of rotating setting in support plate 12's top, the lifting rod 14 of setting in rotating mechanism 13's bottom, needle seat 15, first sliding rod 16, second sliding rod 17, lifting plate 18, multiple connecting rods 19 and presser plate 20.

[0024] It should be understood that the rotating mechanism 13 will drive the lifting rod 14 to lift during rotation, and the testing host computer 10, the test bottom plate 11, the support plate 12, the rotating mechanism 13 and the lifting rod 14 of the present embodiment can be realized by using the products in the prior art, and the principle and structure thereof will not be described here.

[0025] The needle seat 15 is provided on the test bottom plate 11, wherein the needle seat 15 is provided with a placing cavity 151 for accommodating the core board to be tested, and the edges of the placing cavity 151 of the needle seat 15 are spaced apart from each other and provided with a plurality of contact pins which are electrically connected with the test bottom plate 11 and can be telescopically arranged. It should be understood that the contact pins are electrically conductive, and when the core board to be tested is placed in the placing cavity 151, the core board to be tested is electrically connected with the test bottom plate 11 through the contact pins.

[0026] Further, the needle seat 15 is also provided with a plurality of notches 152 which are in communication with the placing cavity 151. It should be understood that the plurality of notches 152 are mainly arranged to facilitate the quick removal of the core board to be tested from the placing cavity 151.

[0027] The first sliding rod 16 is arranged on the top surface of the testing host computer 10 in the vertical direction.

[0028] The second sliding rod 17 is arranged on the top surface of the testing host computer 10 in the vertical direction.

[0029] It should be understood that the bottom ends of the first sliding rod 16 and the second sliding rod 17 are arranged on the top surface of the testing host computer 10, and the bottom ends of the first sliding rod 16 and the second sliding rod 17 are arranged on the top end of the support plate 12 (i.e. the top end of the support plate 12 is provided with a connecting portion which is connected with the first sliding rod 16 and the second sliding rod 17).

[0030] One end of the lifting plate 18 is connected with the bottom end of the lifting rod 14, so that the lifting plate 18 is lifted synchronously with the lifting rod 14.

[0031] Further, the other end of the lifting plate 18 is provided with a first through hole and a second through hole, wherein the first sliding rod 16 is arranged in the first through hole, and the second sliding rod 17 is arranged in the second through hole, so that when the lifting plate 18 is lifted, it slides along the first sliding rod 16 and the second sliding rod 17.

[0032] The plurality of connecting rods 19 are arranged on the bottom surface of one end of the lifting plate 18.

[0033] The pressing plate 20 is connected with the bottom ends of the plurality of connecting rods 19, wherein the pressing plate 20 is used to press the core board to be tested on the placing cavity 151 of the needle seat 15.

[0034] It should be understood that the plurality of connecting rods 19 and the pressing plate 20 are also lifted synchronously with the lifting plate 18.

[0035] In the embodiment, the hollow hole 201 is arranged in the pressing plate 20, which exposes the top surface of the core board to be tested on the placing cavity 151 of the needle seat 15. It should be understood that, since the pressing plate 20 is provided with the hollow hole 201, when the pressing plate 20 presses the core board to be tested on the placing cavity 151 of the needle seat 15, the maintenance personnel can directly measure the power voltage, current, key signal or other parameters of the top surface of the core board to be tested through the hollow hole 201.

[0036] Preferably, the pressing plate 20 is rectangular, the needle seat 15 is rectangular, the placing cavity 151 is rectangular, and the hollow hole 201 is rectangular, wherein the length of the hollow hole 201 is equal to or less than the length of the placing cavity 151, the width of the hollow hole 201 is equal to or less than the width of the placing cavity 151, the length and the width of the pressing plate 20 are greater than the length and the width of the placing cavity 151, and the length and the width of the pressing plate 20 are less than the length and the width of the needle seat 15.

[0037] Further, the plurality of connecting rods include a first connecting rod 191, a second connecting rod 192, a third connecting rod 193 and a fourth connecting rod 194, wherein the first connecting rod 191 is arranged at a first corner of the pressing plate 20 in the vertical direction, the second connecting rod 192 is arranged at a second corner of the pressing plate 20 in the vertical direction, the third connecting rod 193 is arranged at a third corner of the pressing plate 20 in the vertical direction, and the fourth connecting rod 194 is arranged at a fourth corner of the pressing plate 20 in the vertical direction.

[0038] In the embodiment, the edge of the bottom surface of the hollow hole 201 of the pressing plate 20 extends downward to be provided with an extension protrusion 202 for being inserted into the placing cavity 151 of the needle seat 15, that is, when the pressing plate 20 presses the core board to be tested on the placing cavity 151 of the needle seat 15, the extension protrusion 202 is accommodated in the hollow hole 201, that is, the extension protrusion 202 directly presses the core board to be tested in the hollow hole 201.

[0039] Preferably, the extension protrusion 202 is composed of elastic material and has a buffering effect.

[0040] Preferably, the extension protrusion 202 is in a rectangular shape, wherein the length and the width of the extension protrusion 202 are both smaller than the length and the width of the placement cavity 151. It should be understood that the extension protrusion 202 is arranged around the edge of the hollow hole 201, and the size of the extension protrusion 202 is the same as that of the hollow hole 201.

[0041] Further, the test device for testing the core plate further comprises an acrylic dustproof plate 21, wherein the acrylic dustproof plate 21 is arranged on the test base plate 11, and the acrylic dustproof plate 21 is provided with a receiving through hole, and the needle seat 15 is located in the receiving through hole. It should be understood that the acrylic dustproof plate 21 is mainly used for protecting the test base plate 11, and plays a dustproof and waterproof effect, and the receiving through hole is also in a rectangular shape, and the length and the width of the receiving through hole are equal to the length and the width of the needle seat 15.

[0042] Further, the test device for testing the core plate further comprises a cover plate which is detachably arranged in the hollow hole 201, so that the cover plate is opened only when testing is needed, and the cover plate is arranged in the hollow hole 201 when testing is not needed, which is high in flexibility, and further protects the core plate to be tested which is accommodated in the placement cavity 151. Preferably, the cover plate is in a trapezoidal three-dimensional shape, the cover plate is composed of an elastic material, the area of the top surface of the cover plate is larger than the area of the bottom surface of the cover plate, wherein the area of the bottom surface of the cover plate is smaller than the area of the horizontal surface of the hollow hole 201, and the area of the top surface of the cover plate is larger than the area of the horizontal surface of the hollow hole 201, so that the cover plate can be closely arranged in the hollow hole 201.

[0043] It should be noted that the terms "comprising", "containing", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0044] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A testing device for testing a core board, comprising a testing main body, a testing backplane arranged on a top surface of the testing main body and electrically connected to the testing main body, a support plate arranged on one side end of the testing main body, a rotating mechanism rotatably arranged on a top end of the support plate, and a lifting rod arranged on a bottom end of the rotating mechanism, characterized in that, Also comprising: a needle seat arranged on the test base plate, wherein the needle seat is provided with a placement cavity for accommodating a core board to be tested, and edges of the placement cavity of the needle seat are arranged at intervals and provided with a plurality of contact pins electrically connected with the test base plate and arranged in an extendable manner; a first sliding rod arranged in a vertical direction on a top surface of the test host; a second sliding rod arranged in a vertical direction on the top surface of the test host; a lifting plate, one end of which is connected with a bottom end of the lifting rod, wherein the other end of the lifting plate is arranged at intervals and provided with a first through hole and a second through hole, and the first sliding rod is arranged in the first through hole and the second sliding rod is arranged in the second through hole; a plurality of connecting rods arranged at intervals on a bottom surface of one end of the lifting plate; a pressing plate connected with bottom ends of the plurality of connecting rods for pressing the core board to be tested on the placement cavity of the needle seat; wherein the pressing plate is provided with a hollow hole for exposing a top surface of the core board to be tested on the placement cavity of the needle seat.

2. The test apparatus for testing a core board according to claim 1, wherein The pressing plate is in a rectangular shape, the needle seat is in a rectangular shape, the placement cavity is in a rectangular shape, and the hollow hole is in a rectangular shape, wherein a length of the hollow hole is equal to or less than a length of the placement cavity, a width of the hollow hole is equal to or less than a width of the placement cavity, the length and the width of the pressing plate are greater than the length and the width of the placement cavity, and the length and the width of the pressing plate are less than the length and the width of the needle seat.

3. The test apparatus for testing a core board according to claim 2, wherein The plurality of connecting rods include a first connecting rod, a second connecting rod, a third connecting rod, and a fourth connecting rod, wherein the first connecting rod is arranged in a vertical direction on a first corner of the pressing plate, the second connecting rod is arranged in a vertical direction on a second corner of the pressing plate, the third connecting rod is arranged in a vertical direction on a third corner of the pressing plate, and the fourth connecting rod is arranged in a vertical direction on a fourth corner of the pressing plate.

4. The test apparatus for testing a core board according to claim 2, wherein An edge of a bottom surface of the hollow hole of the pressing plate is extended downward and provided with an extension protrusion for being inserted into the placement cavity of the needle seat.

5. The test apparatus for testing a core board according to claim 4, wherein The extension protrusion is in a rectangular shape, wherein the length and the width of the extension protrusion are less than the length and the width of the placement cavity.

6. The test apparatus for testing a core board according to claim 1, wherein The needle seat is further provided with a plurality of notches in communication with the placement cavity.

7. The test apparatus for testing a core board according to claim 6, wherein Further comprising a acrylic dustproof plate, wherein the acrylic dustproof plate is arranged on the test base plate, and the acrylic dustproof plate is provided with an accommodation through hole, and the needle seat is in the accommodation through hole.

8. The test apparatus for testing a core board according to claim 2, wherein Further comprising a cover plate arranged in the hollow hole in a detachable manner.

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