CN213241946U

CN213241946U - Test fixture

Info

Publication number: CN213241946U
Application number: CN202022047080.XU
Authority: CN
Inventors: 孙成思; 孙日欣; 李振华; 张劲松; 温游强
Original assignee: Biwin Storage Technology Co Ltd
Current assignee: Biwin Storage Technology Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-18
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a test fixture, this test fixture are including the roof that is used for placing the portable hard drive that awaits measuring, the week side of roof is equipped with a plurality of supports that are used for the support column of roof, it has a plurality of joints that are used for supplying the test wiring to wear out and be fixed in the joint hole on the roof still to run through on the roof. The embodiment of the utility model provides an one end of test wiring is pegged graft on the concentrator, and the other end passes and pegs graft on the portable hard drive that awaits measuring behind the joint hole, and the both ends of test wiring are fixed respectively on concentrator and roof, so then can not take place because of the joint damage problem that the action of gravity leads to. Meanwhile, the mobile hard disk to be tested is placed on the top plate and is inserted into the joint of the test wiring, so that the mobile hard disk to be tested is equivalently fixed on the top plate, and the mobile hard disks to be tested are not easy to contact with each other, so that the short circuit phenomenon caused by mutual contact is avoided.

Description

Test fixture

Technical Field

The utility model relates to a storage test field, in particular to test fixture.

Background

The mobile hard disk is a portable storage product with a hard disk as a storage medium, is mainly used for exchanging large-capacity data between computers, and mostly adopts interfaces with higher transmission speed, such as USB (universal serial bus), IEEE1394 and the like.

In the production line of the mobile hard disk, the HUB performs operations such as opening and testing the card of the mobile hard disk, and the HUB selects to perform operations such as opening and testing the card of the mobile hard disk, because the HUB can provide a plurality of interfaces and can access a plurality of mobile hard disks at one time for operation.

During actual test, one end of the test wiring is inserted into the interface of the concentrator, and the other end of the test wiring is inserted into the interface of the mobile hard disk. Since the test wire may bend downward under the action of the hard disk drive and/or its own weight, both joints of the test wire may be easily damaged. Meanwhile, the mobile hard disks to be tested are scattered and distributed around the hub under the action of gravity, mutual contact among the mobile hard disks may exist, and the mobile hard disks to be tested are usually semi-finished products without shells, that is, the mobile hard disks to be tested are bare circuit boards, so that a short circuit phenomenon can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a test fixture is proposed to solve the technical problem of present portable hard drive damage portable hard drive and test wiring when the test exists.

Specifically, the utility model provides a test fixture, this test fixture are including the roof that is used for placing the portable hard drive that awaits measuring, the week side of roof is equipped with a plurality ofly and is used for supporting the support column of roof, it has a plurality of joints that are used for supplying the test wiring to wear out and be fixed in the joint hole on the roof still to run through on the roof.

Preferably, a bottom plate is arranged below the top plate and opposite to the top plate, and the bottom plate is connected with the support columns.

Preferably, a plurality of positioning blocks for fixing the hub are arranged on the bottom plate.

Preferably, the number of the positioning blocks is two, and the two positioning blocks are respectively located at diagonal positions of the bottom plate.

Preferably, the locating piece includes two location portions that are crossing setting, two the contained angle that the location portion constitutes with the contained angle looks adaptation that the adjacent both sides wall of concentrator constitutes.

Preferably, the bottom surface of the top plate is provided with a plurality of fixing blocks for fixing the joints of the test wiring.

Preferably, the fixed block includes that two are the grip block of half setting, two be equipped with a plurality of recesses on the grip block respectively, two recesses of corresponding position department on the grip block enclose to close and constitute and are used for the centre gripping chamber of joint.

Preferably, the number of the supporting columns is four, and the four supporting columns are respectively located at four corners of the top plate.

Compared with the prior art, the utility model discloses beneficial technological effect lies in:

the embodiment of the utility model provides a test fixture can place the concentrator on the bottom plate earlier, pegs graft the joint of test wiring one end on the interface of concentrator again, then passes the joint hole that is located its top with the joint of the test wiring other end again to through the joint of the fixed test wiring other end of joint hole, place the portable hard drive that awaits measuring on the roof and with its and appear in the articulate of the test wiring of roof at last again. The utility model provides an one end of test wiring is pegged graft on the concentrator, pegs graft on the mobile hard disk that awaits measuring after the other end passes the joint hole, and the both ends of test wiring are fixed respectively on concentrator and roof, so then can not take place because of the joint damage problem that the action of gravity leads to. Meanwhile, the mobile hard disk to be tested is placed on the top plate and is inserted into the joint of the test wiring, so that the mobile hard disk to be tested is equivalently fixed on the top plate, and the mobile hard disks to be tested are not easy to contact with each other, so that the short circuit phenomenon caused by mutual contact is avoided.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a test fixture of the present invention;

FIG. 2 is a schematic view of the testing jig of the present invention in use;

FIG. 3 is a schematic structural view of another embodiment of the test fixture of the present invention;

fig. 4 is a schematic structural diagram of the fixing block of the test fixture of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The utility model provides a test fixture, in an embodiment, see fig. 1 and fig. 2, this test fixture is equipped with a plurality of support columns 20 that are used for supporting roof 10 including being used for placing the roof 10 of the portable hard drive that awaits measuring in the week of roof 10, still runs through on the roof 10 have a plurality of joints that are used for supplying test wiring 30 to wear out and be fixed in the joint hole 40 on roof 10.

The embodiment of the utility model provides a roof 10's main function lies in placing the portable hard drive that awaits measuring, the portable hard drive that awaits measuring is pegged graft through its interface and the joint that appears in test wiring 30 on roof 10, and appear in the joint on roof 10 and be fixed in roof 10 through joint hole 40 again, consequently the portable hard drive that awaits measuring is pegged graft the back with the joint that appears on roof 10, it will be fixed on roof 10, thereby avoid utilizing the concentrator to test the short circuit phenomenon that the existence leads to because of portable hard drive each other contact when a plurality of portable hard drives simultaneously.

The supporting column 20 is disposed around the top plate 10, one end of the supporting column is fixedly connected to the top plate 10, for example, fixed by a bolt, and the other end is placed on the test table to support the top plate 10 and the mobile hard disk to be tested above the supporting column 20. When testing mobile hard disk, earlier the utility model provides a test fixture places on test table face, places the concentrator in roof 10 below again to need the interface on the concentrator and the 40 one-to-one of joint hole on the roof 10, then peg graft the one end of test wiring 30 on the interface of concentrator, the other end passes joint hole 40 on the roof 10 and appears on roof 10, at last will await measuring mobile hard disk again and appear in the joint grafting on roof 10.

It should be noted that, one end of the test connection wire 30 may also pass through the connector hole 40 on the top plate 10, then the test fixture is placed on the test table, then the hub is placed under the top plate 10, the other end of the test connection wire 30 is inserted into the hub, and finally the to-be-tested mobile hard disk is connected to the connector exposed on the top plate 10.

In one embodiment, the bottom plate 50 is disposed under the top plate 10, and the bottom plate 50 is connected to the plurality of supporting pillars 20. In this embodiment, the bottom plate 50 is in contact with the test table, so that the contact area between the test fixture and the test table can be increased, and the test fixture can be placed on the test table more stably.

In another embodiment, the base plate 50 of the present invention is provided with a plurality of positioning blocks 70 for fixing the hub 60. In this embodiment, after the hub 60 is placed on the bottom plate 50, it is required to ensure that the hub 60 does not move during the testing process, and if the hub 60 moves on the bottom plate 50 under the action of an external force, the testing connection 30 is driven to move, so that poor contact between the testing connection 30 and the hub 60 and/or the mobile hard disk is caused, and even the testing connection 30 is separated from the hub 60 and/or the mobile hard disk. In addition, after the hub 60 is placed on the bottom plate 50, it is required to ensure that the interface position of the hub 60 corresponds to the position of the joint hole 40 on the top plate 10. Therefore, the embodiment of the present invention provides a plurality of positioning blocks 70 for fixing the hub 60 on the bottom plate 50, and the positioning blocks 70 not only can limit the placement position of the hub 60 on the bottom plate 50, but also can fix the hub 60 on the bottom plate 50 to prevent the hub 60 from moving on the bottom plate 50.

In another embodiment, the positioning blocks 70 provided by the embodiment of the present invention are provided in two, and the two positioning blocks 70 are respectively located at the diagonal positions of the bottom plate 50. In the present embodiment, two positioning blocks 70 are disposed at diagonal positions of the bottom plate 50, and since the hub 60 is generally rectangular, the movement of the hub 60 on the bottom plate 50 can be limited by the two positioning blocks 70 at the diagonal positions, and the placement position of the hub 60 on the bottom plate 50 can also be limited by the two positioning blocks 70 at the diagonal positions. It should be noted that the arrangement of the two positioning blocks 70 is only a preferred solution of the present embodiment, which is only exemplary and not limiting, including but not limited thereto. Specifically, three positioning blocks 70 may be further disposed on the bottom plate 50, the three positioning blocks 70 may be disposed at any of the four corners of the bottom plate 50, or four positioning blocks 70 may be disposed on the bottom plate 50, and the four positioning blocks 70 are respectively located at the four corners of the bottom plate 50.

In another embodiment, the positioning block 70 of the present invention includes two positioning portions disposed in an intersecting manner, and an included angle formed by the two positioning portions is matched with an included angle formed by two adjacent sidewalls of the hub 60. In this embodiment, the positioning portions are two positioning portions arranged in an intersecting manner, and an included angle between the two positioning portions is matched with an included angle between two adjacent sidewalls of the hub 60, so as to fix the hub 60 when the hub 60 is placed in the placement area defined by the positioning block 70, prevent the hub 60 from moving on the bottom plate 50, and avoid the problem of poor contact between the test wiring 30 and the hub 60 and/or the mobile hard disk caused by the movement of the hub 60 on the bottom plate 50.

In still another embodiment, referring to fig. 3, the bottom surface of the top plate 10 according to the present invention is provided with a plurality of fixing blocks 80 for fixing the joints of the test wires 30. In this embodiment, after the joint with test wiring 30 passes joint hole 40, for the assurance joint that appears on roof 10 can not receive external force effect down along the direction of height of support column 20 reciprocate or remove about and lead to connecting the deformation damage, the embodiment of the utility model provides a bottom surface at roof 10 is provided with a plurality of fixed blocks 80 to through fixed block 80 will appear joint locking on roof 10, avoid it to reciprocate or remove about along the direction of height of support column 20 under the external force effect, thereby guarantee that test wiring 30's joint is firm on roof 10.

In another embodiment, referring to fig. 4, the fixing block 80 provided in the embodiment of the present invention includes two holding plates 81 disposed in half, a plurality of grooves 82 are respectively disposed on the two holding plates 81, and two grooves 82 corresponding to the positions of the two holding plates 81 enclose a clamping cavity for clamping the connector. In this embodiment, the fixing block 80 includes two clamping plates 81 disposed in half, a plurality of grooves 82 are disposed on the clamping plates 81 along the length direction thereof at intervals of a predetermined distance, and the two clamping plates 81 are further respectively provided with a first screw hole for locking the two clamping plates and a second screw hole for fixing the two clamping plates 81 to the bottom surface of the top plate 10. It should be noted that the size of the outline of the clamping cavity defined by the two grooves 82 at the corresponding positions on the two clamping plates 81 is slightly smaller than the size of the outline of the joint, and after the joint of the test wiring 30 is clamped between the two clamping plates 81, the joint is fixed between the two clamping plates by passing through the first screw hole through the screw, so as to prevent the joint from moving up and down.

Only do the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the content of the description and the drawing did, or direct/indirect application all is included in other relevant technical field the utility model discloses the within range of protection.

Claims

1. The utility model provides a test fixture, its characterized in that, is including the roof that is used for placing the mobile hard disk that awaits measuring, the week side of roof is equipped with a plurality ofly and is used for supporting the support column of roof, it has a plurality of joints that are used for supplying the test wiring to wear out and be fixed in the joint hole on the roof still to run through on the roof.

2. The test fixture of claim 1, wherein a bottom plate is disposed under the top plate, and the bottom plate is connected to the plurality of support posts.

3. The testing fixture of claim 2, wherein the bottom plate is provided with a plurality of positioning blocks for fixing the hub.

4. The testing fixture of claim 3, wherein the number of the positioning blocks is two, and the two positioning blocks are respectively located at diagonal positions of the bottom plate.

5. The test fixture according to claim 3 or 4, wherein the positioning block comprises two positioning portions which are arranged in an intersecting manner, and an included angle formed by the two positioning portions is matched with an included angle formed by two adjacent side walls of the concentrator.

6. The test fixture of claim 1, wherein the bottom surface of the top plate is provided with a plurality of fixing blocks for fixing the connectors of the test wires.

7. The testing fixture of claim 6, wherein the fixing block comprises two holding plates disposed in half, the two holding plates are respectively provided with a plurality of grooves, and the two grooves at corresponding positions on the two holding plates enclose a holding cavity for holding the connector.

8. The testing fixture of claim 1, wherein the number of the supporting columns is four, and the four supporting columns are respectively located at four corners of the top plate.