CN210955037U - Computer mainboard test fixture - Google Patents

Abstract

The utility model discloses a computer mainboard test fixture, this computer mainboard test fixture include base plate and a testing arrangement, be provided with on the base plate and keep away the position hole, a testing arrangement is including setting up first actuating mechanism on the base plate with be located fixed block on first actuating mechanism's the output, the fixed block is used for fixed test card, first actuating mechanism is used for the drive the fixed block passes along predetermineeing the angle keep away the position hole and can make and be located test card on the fixed block splices in being located the wireless interface on computer mainboard top surface or bottom surface. The utility model discloses a wireless interface carries out the function tested to being located computer mainboard top surface or bottom surface.

Description

Computer mainboard test fixture

Technical Field

The utility model relates to a circuit board test fixture technical field, concretely relates to computer motherboard test fixture.

Background

As is well known, before a computer motherboard leaves a factory, corresponding function tests are performed to improve the factory yield of the computer motherboard. The existing detection mode is generally that a detection device drives a test plug to be inserted into an interface on the circumferential direction of a computer mainboard so as to supply power to the computer mainboard, thereby detecting the performance of each module on the computer mainboard. However, the detection device can only detect the interface located on the circumference of the computer motherboard, and cannot detect the wireless interface located on the top surface or the bottom surface of the computer motherboard.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a computer motherboard testing fixture, which solves the technical problem that the existing testing device cannot detect the wireless interface on the top surface or bottom surface of the computer motherboard.

In order to solve the technical problem, the utility model provides a computer motherboard test fixture, this computer motherboard test fixture include base plate and first testing arrangement, be provided with on the base plate and keep away a hole, first testing arrangement is including setting up first actuating mechanism on the base plate with be located fixed block on first actuating mechanism's the output, the fixed block is used for fixed test card, first actuating mechanism is used for the drive the fixed block passes along predetermineeing the angle keep away a hole and can make and be located test card on the fixed block splices in being located the wireless interface on computer motherboard top surface or bottom surface.

Preferably, the first driving mechanism comprises a linear cylinder and a connecting plate, the linear cylinder is arranged on the base plate, an output shaft of the linear cylinder is arranged in an inclined state according to a preset angle, the connecting plate is connected with the output shaft of the linear cylinder, the fixing block is connected with the connecting plate, and the fixing block is further connected with a cylinder body of the linear cylinder in a sliding mode.

Preferably, an end face, far away from the connecting plate, of the fixing block is provided with an installation cavity formed by sinking towards the inside, at least one pair of installation grooves are formed in the circumferential side wall of the installation cavity, the installation grooves extend from the opening end to the closed end of the installation cavity, and two opposite side edges of the test card can be respectively inserted into one pair of the installation grooves.

Preferably, the test device further comprises at least one second test device arranged on the base plate, the second test device comprises a sliding plate which is arranged on the base plate in a sliding mode and can slide along the horizontal direction, a second driving mechanism used for driving the sliding plate to move, and a plurality of mounting seats arranged on the sliding plate, and mounting positions used for mounting test plugs are arranged on the mounting seats.

Preferably, the sliding plate is provided with a first positioning pin, the mounting seat is provided with a first positioning hole, the positioning pin can be inserted into the first positioning hole, and the computer mainboard test fixture further comprises a fixing device for fixing the mounting seat on the sliding plate.

Preferably, the fixing device is a fixing screw, and the mounting seat and the sliding plate are both provided with a threaded hole matched with the fixing screw.

Preferably, the number of the second testing devices is two, the two second testing devices are arranged on the substrate at intervals, and the sliding plates in the two second testing devices can move towards or away from each other.

Preferably, the computer motherboard further comprises a bottom plate which is in a stacked state with the substrate and can be separated from the substrate, the bottom plate is used for placing a computer motherboard, a second positioning hole is formed in the bottom plate, a second positioning pin matched with the second positioning hole is arranged on the substrate, and the second positioning pin can be inserted into the second positioning hole.

Preferably, the base plate is provided with an abutting column capable of abutting against the bottom plate, so that the base plate and the bottom plate are arranged at a preset distance.

Preferably, the bottom plate is provided with a positioning column which can be inserted into a fixing hole on the computer mainboard.

The embodiment of the utility model provides a computer mainboard test fixture keeps away a hole and sets up first testing arrangement through seting up on the base plate, utilizes a actuating mechanism drive fixed block to pass along predetermineeing the angle and keeps away a hole to make the test card that is located on the fixed block can the plug-in mounting in being located the wireless interface on computer mainboard top surface or bottom surface, thereby can accomplish and detect the wireless function on the computer mainboard. Compared with the prior art, the utility model discloses a wireless interface carries out the function tested to being located computer mainboard top surface or bottom surface.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of a test fixture for a computer motherboard according to the present invention;

FIG. 2 is a schematic diagram of a portion of the structure of the test fixture for computer motherboard shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the first testing device shown in FIG. 2;

FIG. 4 is a schematic structural diagram of the second testing device shown in FIG. 2;

fig. 5 is a schematic structural view of the base plate shown in fig. 1.

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 computer mainboard test fixture, this computer mainboard test fixture include base plate 100 and first testing arrangement 200, be provided with on the base plate 100 and keep away a hole 110, first testing arrangement 200 is including setting up first actuating mechanism 210 on the base plate 100 with be located fixed block 220 on the output of first actuating mechanism 210, fixed block 220 is used for fixed test card, first actuating mechanism 210 is used for the drive fixed block 220 passes along predetermineeing the angle keep away a hole 110 and can make and be located test card on the fixed block 220 splices in being located the wireless interface on computer mainboard top surface or bottom surface.

In this embodiment, as shown in fig. 1 to 3, the computer motherboard may be fixedly disposed on a platform; a placement position for placing the computer motherboard may also be disposed on the substrate 100, and in this case, the placement position is preferably located on the top surface of the substrate 100, so that the computer motherboard can be directly fixed on the substrate 100. In order to facilitate testing of the wireless function module on the computer motherboard, the substrate 100 is provided with the avoiding hole 110, the first testing device 200 includes a first driving mechanism 210 disposed on the substrate 100 and a fixing block 220 disposed on an output end of the first driving mechanism 210, and the fixing block 220 is used for fixing the test card. The first driving mechanism 210 may be any linear driving mechanism to drive the fixing block 220 to pass through the avoiding hole 110 along a predetermined angle, so that the test card on the fixing block 220 may be inserted into the wireless interface on the top surface or the bottom surface of the computer motherboard, and the inclined angle of the fixing block 220 (i.e., the included angle between the moving track of the fixing block 220 and the horizontal plane) may be set according to the installation angle of the wireless interface. Of course, other test plugs may be disposed on the mounting block 220 to allow connection with other types of interfaces. The fixing block 220 may fix the test card by screws, or by clamping. In this embodiment, the substrate 100 is provided with the avoiding hole 110 and the first testing device 200, and the first driving mechanism 210 drives the fixing block 220 to pass through the avoiding hole 110 along a predetermined angle, so that the testing card on the fixing block 220 can be inserted into the wireless interface on the top surface or the bottom surface of the computer motherboard, thereby completing the detection of the wireless function on the computer motherboard.

In a preferred embodiment, as shown in fig. 3, in order to facilitate the movement of the fixed block 220, the first driving mechanism 210 includes a linear cylinder 211 and a connection plate 212. The cylinder body of the linear cylinder 211 is disposed on the base plate 100, and the output shaft of the linear cylinder 211 is disposed in an inclined state (i.e., the linear cylinder 211 is disposed in an inclined state as a whole), and the inclined angle may be set according to actual conditions. Connecting plate 212 and linear cylinder 211's output shaft, fixed block 220 and connecting plate 212 are for dismantling the connection to make things convenient for linear cylinder 211 drive fixed block 220 to remove, make things convenient for the dismouting of fixed block 220 simultaneously. In order to increase the stability of the fixing block 220 (i.e., the test card) during movement, the fixing block 220 is preferably slidably connected to the cylinder body of the linear cylinder 211, and the sliding connection may be performed in such a manner that the fixing block 220 is connected to the cylinder body of the linear cylinder 211 through a linear guide rail, so as to ensure that the fixing block 220 does not swing during movement and avoid the situation that the test card cannot be inserted into the wireless interface. Meanwhile, the sliding connection between the fixing block 220 and the cylinder body of the linear cylinder 211 is beneficial to realizing the overall disassembly and assembly of the first testing device 200 under the condition of ensuring the moving track of the fixing block 220, thereby being beneficial to replacing the first testing devices 200 with different specifications.

In a preferred embodiment, as shown in fig. 3, in order to facilitate the installation of the test card on the fixing block 220, an end surface of the fixing block 220 away from the connecting plate 212 is provided with an installation cavity 221 formed by being recessed towards the inside, a circumferential side wall of the installation cavity 221 is provided with at least a pair of installation grooves 222, and the installation grooves 222 extend from an open end to a closed end of the installation cavity 221, so that two side edges of the test card are respectively inserted into one pair of the installation grooves 222. In this embodiment, the number of the mounting slots 222 is preferably two, one is a test slot, and the other is a storage slot, so as to facilitate storage of the test card when not in use, and the test card in this embodiment is preferably an m.2 test card. In this embodiment, the mounting cavity 221 is formed in the fixing block 220, and the mounting groove 222 is formed in the circumferential side wall of the mounting cavity, so that the test card can be conveniently detached.

In a preferred embodiment, as shown in fig. 2 and 4, the substrate 100 is further provided with a second testing device 300, the number of the second testing device 300 can be arranged according to the position of the interface on the computer motherboard, and the second testing device 300 comprises a sliding plate 310, a second driving mechanism 330 and a plurality of mounting seats 320. The sliding plate 310 is slidably disposed on the substrate 100 and can slide along a horizontal direction, the second driving mechanism 330 is disposed on the substrate 100 and is used for driving the sliding plate 310 to move, the plurality of mounting seats 320 are detachably mounted on the sliding plate 310, and the mounting seats 320 are used for mounting test plugs. Wherein, preferably, slide 310 passes through linear guide and base plate 100 sliding connection to be favorable to guaranteeing the stability when slide 310 (being test plug) removes, second actuating mechanism 330 preferably the straight line cylinder can, certainly can be hold-in range subassembly or lead screw assembly, be provided with the installation position that is used for installing the test plug on the mount pad 320, thereby easy to assemble test plug, preferred a plurality of mount pads 320 is the linear state setting on slide 310 this moment. The number of the mounting seats 320 may be arranged according to the actual situation, that is, the number of the interfaces on the computer motherboard in the circumferential direction. In this embodiment, by providing a plurality of mounting seats 320 and installing a test plug on the mounting seat 320, the test plug can be conveniently replaced by replacing any one of the mounting seats 320, thereby avoiding the situation that the test plug needs to be replaced integrally in the conventional test equipment. At this moment, the test plug and the connecting wire can be preferably arranged in a separated mode, and therefore the test plug is more convenient to replace.

In a preferred embodiment, as shown in fig. 2 and 5, in order to facilitate the installation of the mounting base 320, the sliding plate 310 is provided with a first positioning pin, the mounting base 320 is provided with a first positioning hole, and the first positioning pin can be inserted into the first positioning hole. At this time, it is preferable that the number of the first positioning pins and the second positioning holes is two, and the two first positioning pins can be respectively inserted into the two second positioning holes, so that the mounting seat 320 can be more conveniently positioned on the sliding plate 310. Meanwhile, in order to fix the mounting base 320 on the sliding plate 310 conveniently, a fixing device is further included, and the fixing device may be in the form of a left-hand interface or be fixed directly by a screw. In this embodiment, it is preferable that the fixing device is a fixing screw, and the mounting base 320 and the sliding plate 310 are provided with a threaded hole for engaging with the fixing screw. In this embodiment, after the mounting base 320 is positioned by the first positioning pin and the first positioning hole, the mounting base 320 can be fixed on the sliding plate 310 by the fixing device.

In a preferred embodiment, as shown in fig. 2, the number of the second testing devices 300 is two, preferably two second testing devices 300 are arranged on the substrate 100 at intervals, and preferably the sliding plates 310 in the two second testing devices 300 can move towards or away from each other, so as to facilitate the mounting seats 320 on the two second testing devices 300 to form a clamping state for the computer motherboard, so as to prevent the computer motherboard from moving during the testing process. Of course, the number of the second testing devices 300 may also be four, and the second testing devices are annularly disposed on the substrate 100, so as to electrically connect the interfaces located on different sides of the computer motherboard.

In a preferred embodiment, as shown in fig. 2, a heat dissipation fan is further disposed on the substrate 100 to facilitate cooling of the heat dissipation component on the computer motherboard. The position of the preferred cooling fan corresponds to the position of the cooling component on the computer motherboard, so that the cooling performance is conveniently improved, and at the moment, the cooling hole is further formed in the position, located on the cooling fan, of the substrate 100, so that the cooling fan can conveniently run. Meanwhile, the heat dissipation fan is preferably connected with the substrate 100 in a sliding manner, and the specific connection mode can be that a plurality of guide rods are arranged on the substrate 100, sliding holes matched with the guide rods are formed in the heat dissipation fan, the heat dissipation fan is sleeved on the guide rods through the sliding holes, a reset spring is further sleeved on the guide rods, one end of the reset spring is connected with the substrate, and the other end of the reset spring is connected with the heat dissipation fan, so that the heat conduction part on the heat dissipation fan is in flexible butt joint with a heat dissipation component on a computer mainboard, and the heat dissipation efficiency is further improved. Of course, the connection between the test plug and the mounting seat 320 in the above embodiments may also be the same as the connection between the heat dissipation fan and the substrate 100, so as to avoid the rigid contact between the test plug and the interface on the computer motherboard.

In a preferred embodiment, as shown in fig. 2, in order to facilitate the second driving mechanism 330 to drive the mounting base 320 to move, the substrate 100 is provided with an avoiding gap 120. In this case, it is preferable that the second driving mechanism 330 is located on the same side of the substrate 100 as the first testing device 200, and the mounting base 320 can pass through the clearance gap 120 and be located on the other side of the substrate 100, so that the second driving mechanism 330 drives the mounting base 320 to reciprocate in the clearance gap 120.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 5, in order to fix the computer motherboard, the computer motherboard testing fixture further includes a bottom plate 400 stacked on the substrate 100 and separable from the substrate 100, wherein the bottom plate 400 is used for placing the computer motherboard. At this time, the base plate 400 is provided with a second positioning hole 410, and the substrate 100 is provided with a second positioning pin 130, and the second positioning pin 130 is located on the substrate 100 and faces a side of the base plate. In this embodiment, the computer motherboard is placed on the bottom plate 400, and then the second positioning pin 130 is inserted into the second positioning hole 410, so that the substrate 100 and the bottom plate 400 are in a matched state, so that the first testing device 200 and the second testing device 300 can test the computer motherboard on the bottom plate 400.

In a preferred embodiment, as shown in fig. 2, in order to control the distance between the base plate 400 and the substrate 100 when the base plate 400 and the substrate 100 are clamped, the substrate 100 is provided with the abutment post 140, and the abutment post 140 is located on one side of the base plate on the substrate 100. In this embodiment, the base plate 400 is inserted into the second positioning hole 410 through the second positioning pin 130, and the base plate 100 moves towards the base plate by a predetermined distance, and then the base plate 100 can abut against the abutting column 140, so as to control the distance between the base plate 400 and the base plate 100 through the length of the abutting column 140. At this time, the abutment post 140 is preferably detachably connected to the substrate 100, and may be screwed, so as to facilitate replacement of the abutment posts 140 with different lengths. The abutment post 140 may be provided on the base plate 400 to abut on the substrate 100, or may control the distance between the base plate 400 and the substrate 100. Of course, the end of the second positioning hole 410 away from the substrate 100 may be a closed end, and the depth of the second positioning hole 410 is controlled to make the end of the second positioning pin 130 abut against the bottom of the second positioning hole 410, so as to control the distance between the bottom plate 400 and the substrate 100.

In a preferred embodiment, as shown in fig. 5, in order to facilitate the placement of the computer motherboard on the bottom board 400, it is preferable that the bottom board 400 is provided with positioning posts 420 matching with the fixing holes on the computer motherboard, so that the computer motherboard is conveniently sleeved on the positioning posts 420 through the fixing holes, thereby facilitating the positioning and fixing of the computer motherboard on the bottom board 100. Meanwhile, the positioning column 420 is preferably in threaded connection with the bottom plate 400, and a plurality of groups of threaded holes in different positions are formed in the bottom plate 400 according to computer motherboards of different specifications, so that the positioning column 420 can be conveniently installed in the threaded hole matched with the computer motherboard to be tested. Meanwhile, in order to distinguish the positions of different groups of threaded holes conveniently, the same type of identification, such as numbers or colors, can be arranged on the same group of threaded holes.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a computer motherboard test fixture, its characterized in that includes base plate and a testing arrangement, be provided with on the base plate and keep away a hole, a testing arrangement is including setting up first actuating mechanism on the base plate and being located fixed block on first actuating mechanism's the output, the fixed block is used for fixed test card, first actuating mechanism is used for the drive the fixed block passes along predetermineeing the angle keep away the hole and can make and be located test card on the fixed block splices in being located the wireless interface on computer motherboard top surface or the bottom surface.

2. The computer motherboard testing fixture as recited in claim 1, wherein the first driving mechanism comprises a linear cylinder and a connecting plate, the linear cylinder is disposed on the base plate, and an output shaft of the linear cylinder is disposed in an inclined state according to a predetermined angle, the connecting plate is connected to the output shaft of the linear cylinder, the fixing block is connected to the connecting plate, and the fixing block is further connected to a cylinder body of the linear cylinder in a sliding manner.

3. The computer motherboard testing fixture as recited in claim 2, wherein the end surface of the fixing block away from the connecting plate has a mounting cavity formed by being recessed towards the inside, at least a pair of mounting grooves are formed on the circumferential side wall of the mounting cavity, the mounting grooves extend from the open end to the closed end of the mounting cavity, and two opposite side edges of the test card can be respectively inserted into one pair of the mounting grooves.

4. The computer motherboard testing fixture as recited in claim 1, further comprising at least a second testing device disposed on the base plate, wherein the second testing device comprises a sliding plate slidably disposed on the base plate and capable of sliding in a horizontal direction, a second driving mechanism for driving the sliding plate to move, and a plurality of mounting seats disposed on the sliding plate, and the mounting seats are provided with mounting positions for mounting a testing plug.

5. The computer motherboard testing fixture as recited in claim 4, wherein the sliding plate is provided with a first positioning pin, the mounting base is provided with a first positioning hole, the positioning pin can be inserted into the first positioning hole, and the computer motherboard testing fixture further comprises a fixing device for fixing the mounting base on the sliding plate.

6. The computer motherboard testing fixture as recited in claim 5, wherein said fixing device is a fixing screw, and each of said mounting base and said sliding plate is provided with a threaded hole for engaging with said fixing screw.

7. The computer motherboard testing fixture as recited in claim 4, wherein there are two second testing devices, two second testing devices are spaced apart from each other on the substrate, and the sliding plates of the two second testing devices can move toward or away from each other.

8. The computer motherboard testing fixture as recited in claim 1, further comprising a bottom plate disposed in a stacked state and separated from the substrate, wherein the bottom plate is used for placing a computer motherboard, the bottom plate is disposed with a second positioning hole, the substrate is disposed with a second positioning pin adapted to the second positioning hole, and the second positioning pin is inserted into the second positioning hole.

9. The computer motherboard testing fixture as recited in claim 8, wherein the base plate is provided with an abutting post capable of abutting against the bottom plate, so that the base plate and the bottom plate are arranged at a predetermined distance.

10. The computer motherboard testing fixture as recited in claim 8, wherein the bottom plate is provided with a positioning post that can be inserted into a fixing hole on the computer motherboard.

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