CN219348930U

CN219348930U - Detection fixture for converting discrete device surface-mount type into direct-insert type

Info

Publication number: CN219348930U
Application number: CN202223511925.1U
Authority: CN
Inventors: 杨剑群; 贺强; 李兴冀
Original assignee: Chongqing Huachuang Starcraft Technology Co ltd; Chongqing Research Institute of Harbin Institute of Technology
Current assignee: Chongqing Huachuang Starcraft Technology Co ltd; Harbin Institute of Technology; Chongqing Research Institute of Harbin Institute of Technology
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-14
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the field of fixtures and discloses a detection fixture for converting a discrete device surface-mounted type into a direct-insertion type, which comprises a base, an upper cover plate and a conversion circuit board, wherein the upper cover plate is hinged to the upper side of the base and can be covered on the base, a first groove is formed in the base, a second groove is formed in the upper cover plate, when the upper cover plate is covered on the base, the first groove and the second groove jointly form a mounting groove for accommodating and fixing a discrete device, the conversion circuit board is fixed on the lower side of the base, three PIN needles for connecting the fixture of the detection device are fixed on the circuit board, three metal gaskets for being attached to three electrodes of the discrete device are arranged in the first groove of the base, and the three metal gaskets are respectively connected with the three PIN needles on the conversion circuit board. The utility model converts the surface-mounted discrete device into the direct-insertion type and then is connected with the detection equipment, thereby not only realizing the repeatability and the result consistency of the detection of the surface-mounted discrete device, but also reducing the risk of abrasion of the electrode of the discrete device.

Description

Detection fixture for converting discrete device surface-mount type into direct-insert type

Technical Field

The utility model relates to the technical field of clamps, in particular to a detection fixture for converting discrete device surface-mount types into direct insertion types.

Background

With the rapid development of semiconductors, discrete devices are widely used in the fields of consumer electronics, computers, peripherals, network communications, automotive electronics, and display screens. According to different packaging forms of the resistor, discrete devices are classified into a surface mount type and a direct insertion type. Due to the structural difference of the discrete devices, certain limitations exist in the performance detection and screening of the discrete device products.

The fixture which is adaptive to the direct-insert discrete device is arranged on the traditional discrete device detection equipment, so that the direct-insert discrete device can be directly detected. However, for the surface-mounted discrete device, the discrete device can be detected only by connecting the electrode of the discrete device with the lead, and by adopting the method, the surface-mounted discrete device is detected, so that the surface-mounted discrete device has no operation reproducibility and detection consistency, and the electrode of the surface-mounted discrete device can be worn.

Disclosure of Invention

In view of the above, the utility model aims to provide a fixture for detecting surface-mounted direct insertion of discrete devices, which solves the problems that in the prior art, a lead is connected with an electrode of a discrete device to detect the discrete device, so that the fixture has no operational reproducibility and detection consistency, and the electrode of the surface-mounted discrete device is possibly worn.

The utility model solves the technical problems by the following technical means:

a detect frock clamp for discrete device table class changes to cut straightly class, detect frock clamp includes base, upper cover plate and conversion circuit board, the upper cover plate articulates in the upside of base and can cover and close on the base, be equipped with first recess on the base, be equipped with the second recess on the upper cover plate, works as when the upper cover plate covers on the base, first recess and second recess are constituteed jointly and are held and fix the mounting groove of discrete device, conversion circuit board is fixed in the downside of base, be fixed with three PIN needles that are used for connecting detection equipment clamp on the circuit board, be equipped with three in the first recess of base and be used for laminating the metal gasket of three electrode of discrete device, three the metal gasket links to each other with three PIN needle on the conversion circuit board respectively.

Further, a first hinge part is fixed on one end of the base, a second hinge part is fixed on one end of the upper cover plate, and a first pin shaft is connected between the first hinge part and the second hinge part.

Further, the one end that first articulated portion was kept away from to the base is fixed with the buckle, the one end that second articulated portion was kept away from to the upper cover plate articulates there is the buckle of adaptation buckle.

Further, the first breach has been seted up to the one end that first articulated portion was kept away from to the base, the buckle is located first breach, the second breach has been seted up to the one end that second articulated portion was kept away from to the upper cover plate, the one end of buckle articulates in the second breach, and works as the buckle lock is on the buckle, the buckle is located first breach and second breach.

Further, three the PIN needle is G utmost point PIN needle, D utmost point PIN needle and S utmost point PIN needle respectively, and three the metal gasket is G utmost point metal gasket, D utmost point metal gasket and S utmost point metal gasket respectively, G utmost point metal gasket links to each other with G utmost point PIN needle, D utmost point metal gasket links to each other with D utmost point PIN needle, S utmost point metal gasket links to each other with S utmost point PIN needle.

Further, a first through hole and a second through hole are respectively formed in the front side and the rear side of the first groove on the base, one end of the D-pole metal gasket extends to the conversion circuit board through the first through hole, and one ends of the G-pole metal gasket and the S-pole metal gasket extend to the conversion circuit board through the second through hole.

The utility model has the beneficial effects that:

when the surface-mounted discrete device products are required to be detected, the discrete device products are firstly placed into the first groove of the base, three electrodes of the discrete device products are respectively attached to three metal gaskets, then the upper cover plate is covered on the base, the discrete device products are fixed in the mounting groove, and then the discrete device products are connected with the clamp of the detection equipment through three PIN needles, so that the surface-mounted discrete device is detected. Through the arrangement, the surface-mounted discrete devices are converted into direct-insertion types, and then the detection equipment is connected, so that the reproducibility and the result consistency of the detection of the surface-mounted discrete devices can be realized, and the risk of abrasion of the electrodes of the discrete devices can be reduced.

Drawings

FIG. 1 is a schematic structural view of a detection fixture for discrete device surface mount class to direct insert class;

FIG. 2 is a schematic structural view of another view angle of a fixture for testing discrete device surface mount or direct insert type;

FIG. 3 is a schematic diagram of the structure of a discrete device of the present utility model;

1, a base; 11. a first groove; 12. a first hinge part; 13. a first pin; 14. a buckle plate; 15. a first notch; 16. a first through hole; 17. a second through hole; 2. an upper cover plate; 21. a second groove; 22. a second hinge part; 23. a second notch; 24. a buckle; 3. a conversion circuit board; 31. g pole PIN needle; 32. d pole PIN needle; 33. s pole PIN needle; 34. a G-pole metal gasket; 35. a D-pole metal gasket; 36. an S-pole metal gasket; 4. a discrete device.

Detailed Description

The following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present utility model and simplifying the description, and it is not indicated or implied that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present utility model, and that the specific meanings of the terms described above may be understood by those skilled in the art according to circumstances.

As shown in fig. 1-3, the utility model provides a detection fixture for converting a surface-mounted type to an in-line type of a discrete device 4, which comprises a base 1, an upper cover plate 2 and a conversion circuit board 3, wherein the upper cover plate 2 is hinged to the upper side of the base 1 and can be covered on the base 1. The upper side of base 1 is equipped with first recess 11, and the downside of upper cover plate 2 is equipped with second recess 21, and the shape of second recess 21 and first recess 11 is the same, and is the rectangle. When the upper cover plate 2 is covered on the base 1, the first groove 11 and the second groove 21 together form a mounting groove for accommodating and fixing the discrete device 4, and the discrete device 4 refers to the surface-mounted discrete device 4. The conversion circuit board 3 is fixed at the downside of base 1, is fixed with three PIN needles that are used for connecting the check out test set anchor clamps on the circuit board. Three metal gaskets for attaching three electrodes of the discrete device 4 are arranged in the first groove 11 of the base 1, and the three metal gaskets are respectively connected with three PIN needles on the conversion circuit board 3.

When the product of the surface-mounted discrete device 4 is required to be detected, the product of the discrete device 4 is firstly placed into the first groove 11 of the base 1, so that three electrodes of the product of the discrete device 4 are respectively attached to three metal gaskets, then the upper cover plate 2 is covered on the base 1, the product of the discrete device 4 is fixed in the mounting groove, and then the product of the discrete device 4 is connected with a clamp provided by a detection device through three PIN needles, so that the detection of the surface-mounted discrete device 4 is realized. By this arrangement, not only the reproducibility and the consistency of the results of the detection of the surface-mounted discrete device 4 can be achieved, but also the risk of the electrodes of the discrete device 4 being worn out can be reduced.

In this embodiment, a first hinge 12 is fixed on one end of the base 1, a second hinge 22 is fixed on one end of the upper cover 2, a first pin 13 is connected between the first hinge 12 and the second hinge 22, and the upper cover 2 is hinged on the base 1 through the mutual cooperation of the first hinge 12, the second hinge 22 and the first pin 13.

In this embodiment, a buckle 14 is fixed at one end of the base 1 far away from the first hinge portion 12, the buckle 14 is a long strip-shaped plate, a buckle 24 adapted to the buckle 14 is hinged at one end of the upper cover plate 2 far away from the second hinge portion 22, and one end of the buckle 24 far away from the hinge portion is a barb structure. When the upper cover plate 2 is covered on the base 1, the buckle 24 can be buckled on the buckle plate 14, so that the upper cover plate 2 is fixed with the base 1, the discrete device 4 to be detected is fixed, and the detection stability is improved.

In this embodiment, a first notch 15 is formed at one end of the base 1 away from the first hinge portion 12, and the buckle 14 is located in the first notch 15; the end of the upper cover plate 2 far away from the second hinge portion 22 is provided with a second notch 23, one end of the buckle 24 is hinged in the second notch 23, and when the buckle 24 is buckled on the buckle plate 14, the buckle 24 is located in the first notch 15 and the second notch 23. Through this setting, when buckle 24 lock is on buckle 14, can hide in first breach 15 and second breach 23, can prevent that the staff from touching buckle 24 by mistake to influence the detection work of discrete device 4.

In this embodiment, the three PIN needles are a G-pole PIN needle 31, a D-pole PIN needle 32, and an S-pole PIN needle 33, respectively, and the three metal pads are a G-pole metal pad 34, a D-pole metal pad 35, and an S-pole metal pad 36, respectively. Wherein, the G pole metal gasket 34 links to each other with G pole PIN needle 31, and the D pole metal gasket 35 links to each other with D pole PIN needle 32, and the S pole metal gasket 36 links to each other with S pole PIN needle 33. When the three metal pads are abutted against the electrodes of the discrete device 4, the S-pole metal pad 36 is abutted against the E-pole of the discrete device 4, the G-pole metal pad 34 is abutted against the B-pole of the discrete device 4, and the D-pole metal pad 35 is abutted against the C-pole of the discrete device 4.

In this embodiment, a first through hole 16 and a second through hole 17 are respectively formed on the front and rear sides of the first groove 11 on the base 1, one end of the d-pole metal pad 35 extends onto the conversion circuit board 3 through the first through hole 16, and one end of the G-pole metal pad 34 and one end of the S-pole metal pad 36 extend onto the conversion circuit board 3 through the second through hole 17. By this arrangement, the connection of the metal pad with the PIN on the conversion circuit board 3 is facilitated.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims

1. A detect frock clamp that is used for discrete device (4) table to paste class to cut straightly class which characterized in that: the detection tool fixture comprises a base (1), an upper cover plate (2) and a conversion circuit board (3), wherein the upper cover plate (2) is hinged to the upper side of the base (1) and can be covered on the base (1), a first groove (11) is formed in the base (1), a second groove (21) is formed in the upper cover plate (2), when the upper cover plate (2) is covered on the base (1), the first groove (11) and the second groove (21) jointly form a mounting groove for accommodating and fixing a discrete device (4), the conversion circuit board (3) is fixed on the lower side of the base (1), three PIN needles for connecting the detection tool fixture are fixed on the circuit board, three metal gaskets for attaching three electrodes of the discrete device (4) are arranged in the first groove (11) of the base (1), and the three metal gaskets are respectively connected with the three PIN needles on the conversion circuit board (3).

2. The inspection tool clamp according to claim 1, wherein: one end of the base (1) is fixed with a first hinge part (12), one end of the upper cover plate (2) is fixed with a second hinge part (22), and a first pin shaft (13) is connected between the first hinge part (12) and the second hinge part (22).

3. The inspection tool clamp according to claim 2, wherein: one end of the base (1) far away from the first hinging part (12) is fixedly provided with a buckle plate (14), and one end of the upper cover plate (2) far away from the second hinging part (22) is hinged with a buckle (24) adapting to the buckle plate (14).

4. A test fixture as defined in claim 3, wherein: the base (1) is kept away from one end of first articulated portion (12) and has been seted up first breach (15), buckle (14) are located first breach (15), second breach (23) have been seted up to one end that second articulated portion (22) was kept away from to upper cover plate (2), the one end of buckle (24) articulates in second breach (23), and works as buckle (24) lock is on buckle (14), buckle (24) are located first breach (15) and second breach (23).

5. The inspection tool clamp according to claim 4, wherein: three the PIN needle is G utmost point PIN needle (31), D utmost point PIN needle (32) and S utmost point PIN needle (33) respectively, and three the metal gasket is G utmost point metal gasket (34), D utmost point metal gasket (35) and S utmost point metal gasket (36) respectively, G utmost point metal gasket (34) link to each other with G utmost point PIN needle (31), D utmost point metal gasket (35) link to each other with D utmost point PIN needle (32), S utmost point metal gasket (36) link to each other with S utmost point PIN needle (33).

6. The inspection tool clamp according to claim 5, wherein: the base (1) is provided with a first through hole (16) and a second through hole (17) on the front side and the rear side of the first groove (11), one end of the D-pole metal gasket (35) extends to the conversion circuit board (3) through the first through hole (16), and one ends of the G-pole metal gasket (34) and the S-pole metal gasket (36) extend to the conversion circuit board (3) through the second through hole (17).