CN219475667U - Mainboard function test fixture - Google Patents

Abstract

The utility model discloses a main board function test fixture, which belongs to the technical field of main board test tools and has the technical scheme that the main board function test fixture comprises a base, a bracket arranged on the base, an up-down adjusting mechanism arranged on the bracket, a push rod capable of moving up and down through the up-down adjusting mechanism, an upper fixture arranged at the end part of the push rod and a lower fixture arranged on the base and matched with the upper fixture for use, wherein a guide structure is connected between the bracket and the base, and the upper fixture is strung on the guide structure and can slide back and forth along the length direction of the guide structure; the guide structure comprises a guide rod and a bolt, the guide rod is connected to the support, the bolt penetrates through the base from bottom to top in a threaded manner and abuts against the end part of the guide rod, and a spring is sleeved on the guide structure at the position between the upper clamp and the base. The main board function test fixture is easy to replace the buffer spring, and the guide structure of the main board function test fixture has a self-lubricating function.

Description

Mainboard function test fixture

Technical Field

The utility model relates to the technical field of motherboard testing tools, in particular to a motherboard function testing fixture.

Background

The main board function test fixture is a fixture for testing whether each function of a main board is good, various test modules are integrated on the fixture and used for simulating various use scenes of the main board after installation so as to achieve the aim of real test, a guide structure for guiding the movement of the upper fixture is usually arranged on the main board function test fixture for ensuring the smooth and stable movement of the upper fixture, and a spring is usually arranged on the guide structure for buffering the movement of the upper fixture, but the spring on the traditional main board function test fixture can be smoothly removed after the whole guide structure is usually detached after aging, and lubricating oil is often smeared on the guide structure for ensuring the smooth movement of the upper fixture, so that a plurality of complicated inconveniences are caused during use.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a main board function test fixture, which is easy to replace a buffer spring and has a self-lubricating function in a guide structure.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a mainboard function test fixture, includes the base, locates support on the base, locate upper and lower adjustment mechanism on the support, through upper and lower adjustment mechanism can reciprocate the push rod, locate the upper fixture of push rod tip and locate on the base and with the lower fixture of last fixture supporting use, be connected with guide structure between support and the base, upper fixture cluster is in guide structure is last and can follow guide structure's length direction reciprocal slip; the guide structure comprises a guide rod and a bolt, the guide rod is connected to the support, the bolt penetrates through the base from bottom to top in a threaded manner and abuts against the end part of the guide rod, and a spring is sleeved on the guide structure at the position between the upper clamp and the base; the bolt comprises a nut and a screw rod, wherein the screw rod is close to one end of the guide rod, a containing groove is formed in the end face of the guide rod, a plurality of through holes are formed in the side wall of the containing groove, oil absorption cloth with lubricating oil adsorbed is plugged into the containing groove, and the oil absorption cloth can bulge outwards through the through holes.

In some embodiments, the support and the guide bar are detachably connected.

In some embodiments, the base is a hollow shell structure with openings on the front side and the rear side.

In some embodiments, the plurality of through openings are equally spaced and uniformly distributed in an annular array.

In some embodiments, the oil absorbing cloth is a nonwoven fabric.

In summary, the utility model has the following beneficial effects:

the main board function test fixture comprises a guide rod and a bolt, wherein one end of the guide rod is connected to a support, the bolt penetrates through a base from bottom to top and abuts against the end part of the guide rod, a spring is sleeved on the guide structure, when the spring needs to be replaced, the bolt is only required to be screwed until the guide rod is separated from the bolt, the spring can be easily taken out from between the guide rod and the bolt, a containing groove is formed in one end, close to the guide rod, of a screw rod of the bolt, a plurality of through holes are formed in the side wall of the containing groove, oil absorption cloth with lubricating oil is plugged into the containing groove, the oil absorption cloth can bulge outwards through the through holes, and when the upper fixture moves along the guide structure, the oil absorption cloth can be scratched and extruded by the oil absorption cloth of an outer drum every time, so that the lubricating oil is distributed on the outer surface of the whole guide structure gradually, and self lubrication is realized.

Drawings

FIG. 1 is an overall block diagram (view I) of the present utility model;

FIG. 2 is a diagram of the overall structure of the present utility model (view II);

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is a schematic view showing the detachment of the upper clamp and the guide structure thereof according to the present utility model;

fig. 5 is a detailed view of the structure of the bolt of the present utility model.

In the figure: 1. a bracket; 2. a push rod; 3. a clamp is arranged; 4. a lower clamp; 5. a base; 6. a guide rod; 7. a bolt; 701. a screw cap; 702. a screw; 703. a receiving groove; 704. a through hole; 705. an oil absorbing cloth; 8. and (3) a spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-5, a motherboard functional test fixture includes a base 5, a bracket 1 disposed on the base 5, an up-down adjusting mechanism disposed on the bracket 1, a push rod 2 capable of moving up and down through the up-down adjusting mechanism, an upper fixture 3 disposed at the end of the push rod 2, and a lower fixture 4 disposed on the base 5 and used with the upper fixture 3, wherein the up-down adjusting mechanism can adopt a common hand-operated adjusting mechanism on the market, the vertical movement of the push rod 2 is realized by pulling a handle up and down, thereby driving the upper fixture 3 to lift and press down, the lower fixture 4 is used for placing a motherboard to be tested, various test modules are integrated on the upper fixture 3, each test module is provided with a plurality of contact pins, the contact pins are contacted with the motherboard through the lower upper fixture 3 to realize the test of the motherboard, and the routing of each module can be hidden at the bottom of the base 5 for aesthetic appearance and without influencing use, as shown in fig. 1 and 2, the base 5 can be a shell structure with front and rear sides open, which is easy to observe, and overhaul the routing at the bottom of the base 5, and the bottom of the base 5 is beneficial to the routing and the heat dissipation module.

As shown in fig. 1-5, a guide structure is connected between the bracket 1 and the base 5, and the upper clamp 3 is strung on the guide structure and can slide back and forth along the length direction of the guide structure; the guide structure comprises a guide rod 6 and a bolt 7, one end of the guide rod 6 is connected to the bracket 1, the other end of the guide rod is suspended above the base 5, the bracket 1 and the guide rod 6 can be detachably connected so as to be convenient for replacing the worn and aged guide rod 6, the bolt 7 penetrates through the base 5 from bottom to top in a threaded manner and abuts against the end part of the guide rod 6, and a spring 8 is sleeved at the position, located between the upper clamp 3 and the base 5, of the guide structure; the bolt 7 includes nut 701 and screw rod 702, screw rod 702 and the coaxial setting of guide arm 6, and the surface of two flushes, the holding tank 703 has been seted up to the one end that screw rod 702 is close to guide arm 6, a plurality of through-holes 704 have been seted up on the lateral wall of holding tank 703, it has absorbed the oil absorption cloth 705 to have in the holding tank 703 to pack, oil absorption cloth 705 is the non-woven fabrics preferably, oil absorption cloth 705 can outwards bulge through-holes 704, after oil absorption cloth 705 fills up holding tank 703, oil absorption cloth 705 can be extruded outside holding tank 703 through-holes 704, oil absorption cloth 705 at this moment can scratch with last anchor clamps 3, in order to let the oil absorption cloth 705 distribution of bulge more even, as shown in fig. 5, it is even to be annular array to let a plurality of through-holes 704 equidistance evenly arrange.

The main board function test fixture comprises a guide rod 6 and a bolt 7, wherein one end of the guide rod 6 is connected to a bracket 1, the bolt 7 penetrates through a base 5 from bottom to top and abuts against the end part of the guide rod 6, a spring 8 is sleeved on the guide structure, when the spring 8 needs to be replaced, the bolt 7 is only required to be screwed until the guide rod 6 is separated from the bolt 7, the spring 8 can be easily taken out from between the guide rod 6 and the bolt 7, a containing groove 703 is formed in one end, close to the guide rod 6, of a screw 702 of the bolt 7, a plurality of penetrating openings 704 are formed in the side wall of the containing groove 703, oil absorbing cloth 705 adsorbed with lubricating oil is plugged into the containing groove 703, the oil absorbing cloth 705 can be outwards bulged through the penetrating openings 704, and when the upper fixture 3 moves along the guide structure, the oil absorbing cloth 705 can be scratched each time, the outer drum of the oil absorbing cloth 705 is extruded, the whole guide structure is gradually full of the appearance of lubricating oil, and self-lubricating is realized.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (5)

1. The utility model provides a mainboard function test fixture, includes base (5), locates support (1) on base (5), locate upper and lower adjustment mechanism on support (1), through upper and lower adjustment mechanism can be the push rod (2) of activity from top to bottom, locate last anchor clamps (3) of push rod (2) tip and locate on base (5) and with lower anchor clamps (4) of supporting use of last anchor clamps (3), its characterized in that:

a guide structure is connected between the bracket (1) and the base (5), and the upper clamp (3) is strung on the guide structure and can slide back and forth along the length direction of the guide structure;

the guide structure comprises a guide rod (6) and a bolt (7), the guide rod (6) is connected to the support (1), the bolt (7) penetrates through the base (5) from bottom to top in a threaded mode and abuts against the end portion of the guide rod (6), and a spring (8) is sleeved on the guide structure at a position between the upper clamp (3) and the base (5);

the bolt (7) comprises a nut (701) and a screw (702), wherein the screw (702) is close to one end of the guide rod (6) and provided with a containing groove (703), the side wall of the containing groove (703) is provided with a plurality of through holes (704), oil absorption cloth (705) adsorbed with lubricating oil is plugged into the containing groove (703), and the oil absorption cloth (705) can outwards bulge out through the through holes (704).

2. The motherboard functional test fixture as recited in claim 1, wherein: the support (1) is detachably connected with the guide rod (6).

3. The motherboard functional test fixture as recited in claim 1, wherein: the base (5) is of a hollow shell structure with openings at the front side and the rear side.

4. The motherboard functional test fixture as recited in claim 1, wherein: the through holes (704) are uniformly distributed in an annular array at equal intervals.

5. The motherboard functional test fixture as recited in claim 1, wherein: the oil absorption cloth (705) is non-woven fabric.