CN219201674U

CN219201674U - Linkage type test fixture

Info

Publication number: CN219201674U
Application number: CN202223250286.8U
Authority: CN
Inventors: 高飞龙
Original assignee: Suzhou Ouzhao Automation Equipment Co ltd
Current assignee: Suzhou Ouzhao Automation Equipment Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-16
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a linkage type test fixture which comprises a base and a fixed plate, wherein the fixed plate is fixedly arranged on the base, the fixed plate is used for placing a product, and the linkage type test fixture also comprises two first detection devices, the first detection devices are movably arranged on the base, the first detection devices are respectively positioned at two sides of the fixed plate, the second detection devices are positioned above the product, the second detection devices are connected with the first detection devices through a linkage mechanism, the first detection devices can be driven to move when the second detection devices move through the linkage mechanism, the first detection devices are arranged at two sides of the product, the second detection devices are arranged above the product, the second detection devices are connected with the first detection devices through the linkage mechanism, and when the second detection devices move downwards to contact the product, the first detection devices are driven to move towards the product through the linkage mechanism.

Description

Linkage type test fixture

Technical Field

The utility model relates to the field of clamps, in particular to a linkage type test clamp.

Background

When some electronic component products are tested, in order to better separate the current from the signal, the leading-out pins need to be in a four-wire structure (namely, kelvin structure), two probes are arranged on the product leading-out pins, one over-current and one signal to be tested are required to be contacted with the leading-out pins at the end face when the product leading-out pins are too short or the probes for ensuring the over-current can be fully contacted with the leading-out pins, the signal to be tested need to be contacted with the probes at the side edges, so that a plurality of directions need to be contacted with the product leading-out pins.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a linkage type test fixture, which comprises a base and a fixed plate, wherein the fixed plate is fixedly arranged on the base, the fixed plate is used for placing a product, the linkage type test fixture further comprises two first detection devices, the first detection devices are movably arranged on the base, the first detection devices are respectively positioned on two sides of the fixed plate, a second detection device is fixedly arranged on the base, the second detection device is positioned above the product, the second detection device is connected with the first detection device through a linkage mechanism, and the first detection devices can be driven to move when the second detection mechanism moves through the linkage mechanism.

Preferably: the first detection device comprises a sliding rail and a sliding block, wherein the sliding rail is fixedly arranged on the base, and the sliding block is movably arranged in the sliding rail.

Preferably: the sliding block is fixedly provided with a probe seat through a screw, and the probe seat is fixedly provided with a plurality of probes.

Preferably: the second detection device comprises a support frame, guide mechanisms are arranged on two sides of the support frame, and the guide mechanisms are fixedly installed on the base.

Preferably: the hand clamp is movably mounted on the support frame through a pin shaft, the hand clamp is fixedly connected with a needle plate through a connecting rod, the hand clamp can be pulled or pressed to move up and down, and the needle plate is matched with the probe seat through the linkage mechanism.

Preferably: the connecting rod is provided with a limiting sleeve, the limiting sleeve is fixedly arranged on the supporting frame, and the limiting sleeve is used for limiting the connecting rod.

Preferably: the needle plate is fixedly provided with a probe block, and the probe block is provided with a plurality of probes.

Preferably: the guide mechanism comprises a guide rod fixedly arranged on the base, a sliding bearing is movably arranged on the guide rod, and the sliding bearing is fixedly connected with the needle plate.

Preferably: the linkage mechanism comprises an inclined block and a roller, wherein the inclined block is fixedly arranged on the probe seat, the roller is arranged on the needle plate, and the roller is used for extruding the inclined surface of the inclined block when the needle plate moves downwards.

Preferably: a plurality of elastic positioning needles are arranged between the sliding block and the fixed plate, and the elastic positioning needles are used for resetting the sliding block.

The utility model has the technical effects and advantages that:

the product is placed on the fixed plate, the first detection devices are arranged on two sides of the product, the second detection devices are arranged above the product and connected with the first detection devices through the linkage mechanisms, and when the second detection devices move downwards to be in contact with the product, the first detection devices are driven to move towards the product through the linkage mechanisms.

Drawings

FIG. 1 is a front view of a ganged test fixture provided in an embodiment of the present application;

FIG. 2 is a side view of a ganged test fixture provided in an embodiment of the present application;

FIG. 3 is a top view of a ganged test fixture provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a linkage mechanism in a linkage test fixture according to an embodiment of the present application;

fig. 5 is a schematic diagram of the structure of the portion a in fig. 1.

In the figure:

1. base, 2, fixed plate, 3, product, 4, first detection device, 5, second detection device, 6, link gear, 7, guiding mechanism, 8, hand clamp, 9, faller, 10, elastic positioning needle, 401, slide rail, 402, slider, 403, probe seat, 501, support frame, 601, oblique piece, 602, gyro wheel, 701, guide bar, 702, slide bearing, 801, connecting rod, 802, stop collar, 901, probe piece.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-3, in this embodiment, a linkage type test fixture is provided, including a base 1 and a fixing plate 2, the fixing plate 2 is fixedly installed on the base 1 through bolts, a product 3 to be detected is placed on the fixing plate 2, a first detection device 4 is disposed on two sides of the fixing plate 2, the first detection device 4 is movably installed on the base 1, wherein the first detection device 4 includes a sliding rail 401, the sliding rail 401 is fixedly installed on the base 1 through bolts, a sliding block 402 is movably installed on the sliding rail 401, a probe seat 403 is fixedly installed on the sliding block 402 through screws, the probe seat 403 is matched with the sliding rail 401 through the sliding block 402 to realize moving along the direction of the sliding rail 401, a probe is fixedly installed on the probe seat 403, the probe moves along with the probe seat 403 to contact with a leading-out pin on the product 3, a second detection device 5 is fixedly installed on the base 1, the second detection device 5 is located above the product 3, the second detection device 5 is connected with the first detection device 4 through a linkage mechanism 6, the second detection device 5 moves downwards to contact with the leading-out pin 3, the first detection device 4 is driven by the linkage mechanism 6, and the second detection device can reach the first detection device 4 through the linkage mechanism 4 when the second detection device moves downwards, the first detection device is driven by the linkage mechanism 4, the operation efficiency can be improved, and the operation efficiency can be improved, compared with the traditional operation device can only by the operation device.

As shown in fig. 2, in this embodiment, the second detection device includes a support frame 501, the support frame 501 is fixedly installed on the base 1 through bolts, guide mechanisms 7 are installed on two sides of the support frame 501, the guide mechanisms 7 are fixedly installed on the base 1 through bolts, a hand grip 8 is movably installed on the support frame 501 through a pin shaft, the hand grip 8 can rotate through the pin shaft, the hand grip 8 is fixedly connected with a needle plate 9 through the connecting rod 801, wherein the structure of the connecting rod 801 can be determined according to actual needs, in this embodiment, a multi-section connecting rod 801 is adopted, the sections are connected through the pin shaft, a limit sleeve 802 is arranged on the connecting rod 801, the limit sleeve 802 is fixedly installed on the support frame 501, the hand grip 8 can drive the connecting rod 801 to move through the pin shaft when rotating, so as to drive the needle plate 9 to move up and down, when the connecting rod 801 moves, the limit sleeve 802 can limit the connecting rod 801, a probe block 901 is fixedly installed on the needle plate 9, when the hand grip 8 is driven to move towards the direction of a product 3, the probe on the needle plate 901 can contact with the product 3, the guide mechanism 7 below the second detection device 5 is fixedly installed on the needle plate 1 through the pin shaft, the guide mechanism is contacted with the guide rod 702 when the guide rod 702 is fixedly installed on the needle plate 3, and the guide mechanism is in contact with the sliding bearing is fixedly installed on the guide device 9, and the guide mechanism is contacted with the guide device is mounted on the needle plate 9 when the guide device is in contact with the guide, and the guide device is in contact with the guide, the guide device is fixed.

As shown in fig. 3-5, in this embodiment, the linkage device includes a bevel block 601 and a roller 602, the bevel block 601 is fixedly mounted on the probe seat 403, the roller 602 is mounted on the needle plate 9, when the hand grip 8 is pressed, the roller 602 also moves downward along with the needle plate 9 when the needle plate 9 is driven to move downward by the connecting rod 801, when the roller 602 contacts with the bevel of the bevel block 601, the bevel block 601 is extruded, the probe seat 403 is driven to move toward the product 3 by extruding the bevel block 601, a plurality of elastic positioning pins 10 are mounted between the sliding block 402 and the fixed plate 2, wherein the number of the elastic positioning pins 10 can be determined according to actual needs, in this embodiment, each first detecting device 4 is connected with two elastic positioning pins 10, when the needle plate 9 reaches a predetermined position, the roller 602 stops moving at this time, the bevel block 601 is limited by the roller 602, the elastic positioning pins 10 are in a compressed state, when the first detecting device 4 and the second detecting device 5 are contacted with the leading-out pins of the product 3, after the product 3 completes detection, the hand grip 8 is pulled upward, the hand grip 8 is driven to move upward along with the needle plate 9, and the elastic positioning pins 602 stops moving downward along with the movement of the bevel block 602, and the elastic positioning pins 10 are slowly reset by the sliding block 602.

The working principle of the utility model is as follows:

the fixed plate is fixedly arranged on the base through bolts, a product to be detected is placed on the fixed plate, first detection devices are arranged on two sides of the fixed plate and movably arranged on the base, each first detection device comprises a sliding groove, each sliding groove is fixedly arranged on the base through bolts, a sliding block is movably arranged on each sliding groove, a probe seat is fixedly arranged on each sliding block through a screw, each probe seat is matched with each sliding groove through the corresponding sliding block to realize movement along the sliding groove direction, a probe is fixedly arranged on each probe seat, each probe moves along with each probe seat and contacts with an outgoing pin on the product, a second detection device is fixedly arranged on the base and is located above the product, each second detection device is connected with the corresponding first detection device through a linkage mechanism, and can drive the corresponding first detection device to move towards the product when the second detection device moves downwards to contact with the outgoing pins of the product.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The linkage type test fixture comprises a base (1) and a fixed plate (2), wherein the fixed plate (2) is fixedly arranged on the base (1), and the fixed plate (2) is used for placing a product (3), and is characterized by further comprising two first detection devices (4), the first detection devices (4) are movably arranged on the base (1), and the first detection devices (4) are respectively arranged on two sides of the fixed plate (2);

a second detection device (5) is fixedly arranged on the base (1), and the second detection device (5) is positioned above the product (3);

the second detection device (5) is connected with the first detection device (4) through a linkage mechanism (6), and the first detection device (4) can be driven to move when the second detection device (5) is moved through the linkage mechanism (6).

2. A linked test fixture according to claim 1, wherein the first detection device (4) comprises a slide rail (401) and a slide block (402), the slide rail (401) is fixedly mounted on the base (1), and the slide block (402) is movably mounted in the slide rail (401).

3. A coordinated type test fixture according to claim 2, characterized in that the slider (402) is fixedly provided with a probe seat (403) by means of screws, and the probe seat (403) is fixedly provided with a plurality of probes.

4. A linked test fixture according to claim 3, wherein the second detection device (5) comprises a support frame (501), guide mechanisms (7) are arranged on two sides of the support frame (501), and the guide mechanisms (7) are fixedly mounted on the base (1).

5. The linkage type test fixture as claimed in claim 4, wherein the support frame (501) is movably provided with a hand clamp (8) through a pin shaft, the hand clamp (8) is fixedly connected with a needle plate (9) through a connecting rod (801), the needle plate (9) can move up and down by pulling or pressing the hand clamp (8), and the needle plate (9) is matched with the probe seat (403) through the linkage mechanism (6).

6. The linkage type test fixture according to claim 5, wherein a limiting sleeve (802) is arranged on the connecting rod (801), the limiting sleeve (802) is fixedly arranged on the supporting frame (501), and the limiting sleeve (802) is used for limiting the connecting rod (801).

7. The linkage type test fixture according to claim 5, wherein a probe block (901) is fixedly arranged on the needle plate (9), and a plurality of probes are arranged on the probe block (901).

8. A linked test fixture according to claim 6, wherein the guide mechanism (7) comprises a guide rod (701) fixedly mounted on the base (1), a sliding bearing (702) is movably mounted on the guide rod (701), and the sliding bearing (702) is fixedly connected with the needle plate (9).

9. The linkage type test fixture according to claim 6, wherein the linkage mechanism (6) comprises a bevel block (601) and a roller (602), the bevel block (601) is fixedly installed on the probe seat (403), the roller (602) is installed on the needle plate (9), and the roller (602) is used for extruding the bevel of the bevel block (601) when the needle plate (9) moves downwards.

10. A linked test fixture according to claim 3, wherein a plurality of elastic positioning pins (10) are mounted between the slider (402) and the fixing plate (2), and the elastic positioning pins (10) are used for resetting the slider (402).