Knob type core board testing device

Abstract

The utility model discloses a knob type core board testing device. The knob type core board testing device comprises a testing host; the test bottom plate is arranged on the test host; the needle seat is arranged on the test bottom plate and is provided with a placement cavity for accommodating a core board to be tested, and the edge of the placement cavity is provided with a plurality of thimbles; the mounting block is arranged on the needle seat, and a first opening is formed in the mounting block; the gland is arranged on the mounting block and used for covering the placement cavity, one side end of the gland is rotationally connected with one side end of the mounting block, and the other side end of the gland is detachably connected with the other side end of the mounting block; the extrusion part is used for extruding the to-be-tested core board placed in the placement cavity; and the knob structure is rotatably arranged on the gland in a liftable manner and is used for driving the extrusion piece to stretch. According to the mode, the cover plate covers the needle seat, the dustproof and waterproof effects can be achieved, the maintenance cost is effectively reduced, the core board to be tested can be extruded through the extrusion piece on the cover plate, the pressure is uniform, and the test effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a knob formula core board testing arrangement. BACKGROUND

[0002] The existing patch type core board testing device on the market generally comprises a test host and a test fixture arranged on the test host, a test backplane connected with the test host through a data line is arranged in the test fixture, a needle seat is vertically and floatingly assembled on the test fixture, a placing cavity for placing a core board to be tested is formed in the needle seat, when the core board to be tested is placed in the placing cavity, the core board to be tested can be electrically connected with the test backplane through a plurality of ejector pins, a pressing assembly for vertically pressing the core board to be tested is arranged on the test fixture, the pressing assembly is located on the upper side of the needle seat, and the pressing assembly can be driven to descend by a rotating mechanism to press the core board to be tested on the needle seat.

[0003] However, in the conventional mode, the pressing rod head of the pressing assembly of the test device on the market will be inclined relative to the core board to be tested in the placing cavity, cannot be completely parallel, and thus uneven pressure may exist, in addition, the needle seat is exposed to the air and needs to be frequently cleaned and maintained, thereby increasing the maintenance cost. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a knob formula core board testing arrangement to solve the above technical problems.

[0006] (II) Technical scheme

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a knob formula core board testing arrangement, comprising a test host and a test backplane arranged on the top surface of the test host and electrically connected with the test host, characterized in that further comprising: a needle seat arranged on the test backplane, wherein the needle seat is provided with a placing cavity for accommodating a core board to be tested, and the edges of the placing cavity of the needle seat are spaced apart from each other and provided with a plurality of ejector pins electrically connected with the test backplane and arranged in a telescopic mode; a mounting block arranged on the needle seat, wherein the mounting block is provided with a first opening corresponding to the placing cavity; a gland arranged on the mounting block and used for covering the placing cavity of the needle seat, wherein one side end of the gland is rotationally connected with one side end of the mounting block, and the other side end of the gland is detachably connected with the other side end of the mounting block; an extrusion piece arranged in the gland in a telescopic mode and used for extruding the core board to be tested placed in the placing cavity; and a knob structure rotationally and telescopically arranged on the gland and used for driving the extrusion piece to telescope.

[0008] Further, the first vertical hole, the second vertical hole, the third vertical hole and the fourth vertical hole are arranged around the accommodation opening, the knob structure is circular, the outer diameter of the knob structure is greater than the hole diameter of the accommodation opening, the extension column is arranged at the center of the knob structure, and the knob structure is provided with an observation hole penetrating through the knob structure and the extension column.

[0009] Further, the accommodation opening is circular, the bottom surface of the knob structure is provided with an extension column which is cylindrical and arranged in the accommodation opening, the inner wall of the accommodation opening is provided with an internal thread, and the outer wall of the extension column is provided with an external thread which is threadedly connected with the internal thread.

[0010] Further, the top surface of the knob structure is provided with a protruding plate which extends upward, the bottom surface of the knob structure is provided with an arc-shaped sliding groove, and the top surface of the pressing cover is provided with a clamping column which is arranged in the sliding groove.

[0011] Further, the first vertical hole, the second vertical hole, the third vertical hole and the fourth vertical hole are arranged around the accommodation opening, the knob structure is circular, the outer diameter of the knob structure is greater than the hole diameter of the accommodation opening, the extension column is arranged at the center of the knob structure, and the knob structure is provided with an observation hole penetrating through the knob structure and the extension column.

[0012] Further, the needle seat and the mounting block are rectangular, the placement cavity and the first opening are rectangular, the length and the width of the needle seat are equal to the length and the width of the mounting block, and the length and the width of the first opening are greater than the length and the width of the placement cavity.

[0013] Further, one side end of the mounting block is provided with a first extension part, the bottom surface of one side end of the pressing cover is provided with a first recess, the side wall of the first recess is provided with a first through hole, the top end of the first extension part is provided with a second through hole corresponding to the first through hole, and a first rotating shaft is arranged in the first through hole and the second through hole.

[0014] Further, the other side end of the pressing cover is provided with a second recess, a clamping plate is rotatably connected in the second recess, and the bottom end of the clamping plate is provided with a clamping part for clamping the other side end of the mounting block.

[0015] Further, the side wall of the second groove is provided with a third through hole, the center part of the clamping plate is provided with a fourth through hole corresponding to the third through hole, wherein a second rotating shaft is inserted in the third through hole and the fourth through hole, and the second groove is provided with a first spring for extruding the clamping plate and rotating the bottom end of the clamping plate towards the mounting block.

[0016] Further, the test device further comprises an acrylic dustproof plate, the acrylic dustproof plate is arranged on the test base plate, wherein the acrylic dustproof plate is provided with a receiving through hole, the needle seat is located in the receiving through hole, and the needle seat is further provided with a plurality of dug openings in communication with the placing cavities.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a kind of knob formula core board test device, with following beneficial effects: the utility model discloses a knob formula core board test device, including: test host;Test base plate being set on test host;Needle seat, it is set on test base plate, is equipped with the placing cavity for accommodating the core board to be tested, and the edge of placing cavity is provided with a plurality of thimbles;Mounting block, it is set on needle seat, wherein mounting block is equipped with first opening;Cover, it is set on mounting block, for covering placing cavity, wherein one side end of cover and one side end of mounting block are rotatably connected, and the other side end of cover and the other side end of mounting block are detachably connected;Extrusion piece, for extruding the core board to be tested placed in placing cavity;Knob structure, rotatably and liftablely set on cover, for driving extrusion piece telescopic.It is described above, the utility model discloses through cover and is covered on needle seat, can play dustproof waterproof effect, effectively reduce maintenance cost, and can be extruded by extrusion piece on cover to the core board to be tested, and pressure is uniform, and test effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic view of the utility model knob formula core board test device;

[0020] Figure 2 It is Figure 1 It is the first local structure schematic view of test device;

[0021] Figure 3 It is Figure 1 It is the second local structure schematic view of test device;

[0022] Figure 4 It is Figure 1 It is the third local structure schematic view of test device;

[0023] Figure 5 It is Figure 1 It is the structure schematic view of needle seat of test device. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] As shown in Figures 1-9 The knob type core board testing device disclosed by the present application comprises a testing host 10, a testing backplane 11 arranged on the top surface of the testing host 10 and electrically connected with the testing host 10, a needle seat 12, a mounting block 13, a gland 14, an extrusion piece and a knob structure 15.

[0026] The testing host 10 and the testing backplane 11 in the embodiment can be realized by using the products in the prior art, and the principle and structure thereof will not be described herein.

[0027] The needle seat 12 is arranged on the testing backplane 11, wherein the needle seat 12 is provided with a placing cavity 121 for accommodating a core board to be tested, and the edge of the placing cavity of the needle seat 12 is provided with a plurality of contact pins which are electrically connected with the testing backplane 11 and can be arranged in an extendable manner. 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 121, the core board to be tested is electrically connected with the testing backplane 11 through the contact pins.

[0028] Further, the needle seat 12 is further provided with a plurality of notches 122 which are in communication with the placing cavity 121. It should be understood that the plurality of notches 122 are mainly arranged to facilitate the quick removal of the core board to be tested from the placing cavity 121.

[0029] The mounting block 13 is arranged on the needle seat 12, wherein the mounting block 13 is provided with a first opening 131 corresponding to the placing cavity 121.

[0030] In the embodiment, the needle seat 12 and the mounting block 13 are both in a rectangular shape, and the placing cavity 121 and the first opening 131 are both in a rectangular shape, wherein the length and the width of the needle seat 12 are equal to the length and the width of the mounting block 13, and the length and the width of the first opening 131 are greater than the length and the width of the placing cavity 121.

[0031] The gland 14 is arranged on the mounting block 13 and is used for covering the placing cavity 121 of the needle seat 12, so that the core board to be tested in the placing cavity 121 can be covered by the gland 14, thereby achieving good dustproof and waterproof effects.

[0032] In the embodiment, one side end of the cover 14 is rotationally connected with one side end of the mounting block 13, and the other side end of the cover 14 is detachably connected with the other side end of the mounting block 13, that is, when the core board to be tested is placed in the placing cavity 121, the other side end of the cover 14 is detached from the other side end of the mounting block 13, that is, the cover 14 is opened, and after the core board to be tested is placed in the placing cavity 121, the other side end of the cover 14 is connected with the other side end of the mounting block 13, so that the cover 14 covers the core board to be tested.

[0033] Specifically, the one side end of the mounting block 13 is provided with a first extension 132, and the bottom surface of the one side end of the cover 14 is provided with a first recess 140, wherein the side wall of the first recess 140 is provided with a first through hole, the top end of the first extension 132 is provided with a second through hole 1321 corresponding to the first through hole, and a first rotating shaft is inserted in the first through hole and the second through hole 1321, so that the one side end of the cover 14 rotates along the first extension 132.

[0034] Further, the other side end of the cover 14 is provided with a second recess 144, wherein a clamping plate 145 is rotationally connected in the second recess 144, and the bottom end of the clamping plate 145 is provided with a clamping portion 1451 for clamping the other side end of the mounting block 13. It should be understood that the bottom surface of the other side end of the mounting block 13 is provided with a clamping groove 133 for clamping the clamping portion 1451.

[0035] Specifically, the side wall of the second recess 144 is provided with a third through hole, and the central portion of the clamping plate 145 is provided with a fourth through hole 1452 corresponding to the third through hole, wherein a second rotating shaft is inserted in the third through hole and the fourth through hole 1452, so that the clamping plate 145 can rotate along the second rotating shaft.

[0036] Further, the second recess 144 is provided with a first spring for pressing the clamping plate 145 and rotating the bottom end of the clamping plate 145 towards the mounting block 13, that is, under normal circumstances, the first spring will press the bottom end of the clamping plate 145 to rotate towards the mounting block 13.

[0037] The pressing member is telescopically arranged in the cover 14, for pressing the core board to be tested placed in the placing cavity 121, that is, when the cover 14 covers the placing cavity 121, the pressing member will press the core board to be tested in the placing cavity 121, so that the core board to be tested is more stably arranged in the placing cavity 121.

[0038] The knob structure 15 is rotationally and liftably arranged on the cover 14, for driving the pressing member to telescope, so that the knob structure 15 can be rotated as needed to drive the pressing member to further press the core board to be tested, and the knob structure 15 can also be reversely rotated to drive the pressing member not to press the core board to be tested.

[0039] In the present embodiment, the middle of the cover 14 is provided with a first vertical hole 141, a second vertical hole, a third vertical hole and a fourth vertical hole under the bottom surface of the knob structure 15, wherein the pressing members include a first pressing spring 142 provided in the first vertical hole 141, a second pressing spring provided in the second vertical hole, a third pressing spring provided in the third vertical hole and a fourth pressing spring provided in the fourth vertical hole, and the top end of the first pressing spring 142, the top end of the second pressing spring, the top end of the third pressing spring and the top end of the fourth pressing spring are all connected with the bottom surface of the knob structure 15. It should be understood that the bottom end of the first pressing spring 142, the bottom end of the second pressing spring, the bottom end of the third pressing spring and the bottom end of the fourth pressing spring are all through the cover 14 and suspended in the first opening 131 (i.e. when the cover 14 is closed).

[0040] It should be understood that since the top end of the first pressing spring 142, the top end of the second pressing spring, the top end of the third pressing spring and the top end of the fourth pressing spring are all connected with the bottom surface of the knob structure 15, when the knob structure 15 is lifted, it will uniformly drive the first pressing spring 142, the second pressing spring, the third pressing spring and the fourth pressing spring to lift, thereby changing the size of the force applied to the core board to be tested.

[0041] Preferably, the cover 14 is provided with a receiving hole 143 in a circular shape, and the bottom surface of the knob structure 15 is provided with an extension column 151 in a cylindrical shape in the receiving hole 143, wherein the inner wall of the receiving hole 143 is provided with an internal thread, and the outer wall of the extension column 151 is provided with an external thread threadedly connected with the internal thread, so that the extension column 151 is threadedly connected in the cover 14, and thus only the knob structure 15 needs to be rotated to change the height of the knob structure 15 relative to the cover 14, thereby realizing the lifting of the pressing springs.

[0042] Further, the top surface of the knob structure 15 is provided with a protruding plate 152 extending upward, facilitating rotation, and the bottom surface of the knob structure 15 is provided with a sliding groove 153 in an arc shape, and the top surface of the cover 14 is provided with a clamping column in the sliding groove 153, so that the length of the rotation of the knob structure 15 is limited to the length of the sliding groove 153.

[0043] Preferably, the first vertical hole 141, the second vertical hole, the third vertical hole and the fourth vertical hole are arranged around the outside of the receiving hole 143, wherein the knob structure 15 is in a circular shape, the outer diameter of the knob structure 15 is greater than the hole diameter of the receiving hole 143, and the extension column 151 is arranged at the center of the knob structure 15.

[0044] Further, the knob structure 15 is provided with an observation hole 154 through the knob structure 15 and the extension column 151, so that the operator can observe part of the top surface of the core board to be tested through the observation hole 154.

[0045] Further, the rotary knob type core plate testing device further comprises an acrylic dustproof plate 16, wherein the acrylic dustproof plate 16 is arranged on the testing base plate 11, and the acrylic dustproof plate 16 is provided with a receiving through hole, and the needle seat 12 is located in the receiving through hole. It should be understood that the acrylic dustproof plate 16 is mainly used to protect the testing base plate 11, and has a dustproof and waterproof effect, and the receiving through hole is also rectangular, and the length and width of the receiving through hole are equal to the length and width of the needle seat 12.

[0046] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0047] 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 rotary knob core board testing device, comprising a testing host and a testing backplane arranged on the top surface of the testing host and electrically connected with the testing host, characterized in that, Also include: A needle seat is arranged on the test board, wherein the needle seat is provided with a placement cavity for accommodating the core board to be tested, and the edges of the placement cavity of the needle seat are spaced apart from each other and provided with a plurality of contact pins which are electrically connected with the test board and are retractably arranged; A mounting block is arranged on the needle seat, wherein the mounting block is provided with a first opening corresponding to the placement cavity; A cover is arranged on the mounting block for covering the placement cavity of the needle seat, wherein one side end of the cover is rotatably connected with one side end of the mounting block, and the other side end of the cover is detachably connected with the other side end of the mounting block; An extrusion member is retractably arranged in the cover for extruding the core board to be tested placed in the placement cavity; A knob structure is rotatably and liftable arranged on the cover for driving the extrusion member to retract or extend.

2. The knobbed core plate testing apparatus of claim 1, wherein, The cover is arranged with a first vertical hole, a second vertical hole, a third vertical hole and a fourth vertical hole at the bottom surface of the knob structure, wherein the extrusion member includes a first extrusion spring arranged in the first vertical hole, a second extrusion spring arranged in the second vertical hole, a third extrusion spring arranged in the third vertical hole and a fourth extrusion spring arranged in the fourth vertical hole, and the top end of the first extrusion spring, the top end of the second extrusion spring, the top end of the third extrusion spring and the top end of the fourth extrusion spring are connected with the bottom surface of the knob structure.

3. The knobbed core plate testing device of claim 2, wherein, The cover is provided with a circular receiving opening, and the bottom surface of the knob structure is provided with an extension column which is arranged in the receiving opening and has a cylindrical shape, wherein the inner wall of the receiving opening is provided with an internal thread, and the outer wall of the extension column is provided with an external thread which is threadedly connected with the internal thread.

4. The knobbed core plate testing apparatus of claim 3, wherein, The top surface of the knob structure is provided with a protruding plate which extends upward, the bottom surface of the knob structure is provided with an arc-shaped sliding groove, and the top surface of the cover is provided with a clamping column which is arranged in the sliding groove.

5. The knobbed core plate testing device of claim 3, wherein, The first vertical hole, the second vertical hole, the third vertical hole and the fourth vertical hole are arranged around the outside of the receiving opening, wherein the knob structure has a circular shape, the outer diameter of the knob structure is greater than the hole diameter of the receiving opening, the extension column is arranged at the center of the knob structure, and the knob structure is provided with an observation hole which passes through the knob structure and the extension column.

6. The knobbed core plate testing device of claim 1, wherein, The needle seat and the mounting block both have a rectangular shape, and the placement cavity and the first opening both have a rectangular shape, wherein the length and the width of the needle seat are equal to the length and the width of the mounting block, and the length and the width of the first opening are greater than the length and the width of the placement cavity.

7. The knobbed core plate testing device of claim 1, wherein, One side end of the mounting block is provided with a first extension, and the bottom surface of one side end of the cover is provided with a first recess, wherein the side wall of the first recess is provided with a first through hole, the top end of the first extension is provided with a second through hole corresponding to the first through hole, and a first rotating shaft is inserted into the first through hole and the second through hole.

8. The knobbed core plate testing device of claim 7, wherein, The other side end of the cover is provided with a second recess, wherein a clamping plate is rotatably connected in the second recess, and the bottom end of the clamping plate is provided with a clamping portion for clamping the other side end of the mounting block.

9. The knobbed core plate testing device of claim 8, wherein, The side wall of the second groove is provided with a third through hole, and the central part of the clamping plate is provided with a fourth through hole corresponding to the third through hole, wherein a second rotating shaft is inserted in the third through hole and the fourth through hole, and a first spring is arranged in the second groove to press the clamping plate and make the bottom end of the clamping plate rotate towards the mounting block.

10. The knobbed core plate testing apparatus of claim 1, wherein, Further comprising an acrylic dustproof plate, the acrylic dustproof plate is arranged on the test base plate, wherein the acrylic dustproof plate is provided with a receiving opening, the needle seat is in the receiving opening, and the needle seat is further provided with a plurality of notches in communication with the placing cavity.

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