TO-252-to-TO-220 packaging test seat
By designing the packaging test seat of TO-252 to TO-220, the elastic plate and block structure of elastic metal are used to achieve convenient testing of TO-252 package, solving the problem that TO-252 package is difficult to insert into the test machine, and providing a convenient test solution.
Patent Information
- Application Number
- CN202422424639.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The TO-252 package is difficult to easily insert into the test machine for testing, especially due to its curved pins and short lengths that make testing difficult.
A packaged test seat of TO-252 to TO-220 was designed. By installing TO-252 components in the TO-220 shell, using elastic plates and block structures made of elastic metal, the fixed and electrical connection of the TO-252 body is realized, and converted into TO-220 form for testing.
It realizes convenient testing of TO-252 package. Through the extrusion fixation and electrical connection of the elastic plate, the problem of difficult testing of TO-252 package is solved, and a convenient testing solution is provided.
Smart Images

Figure CN223284264U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging test sockets, in particular to a TO-252 to TO-220 packaging test socket. Background Art
[0002] TO-220 can be easily inserted into the test machine for testing during packaging testing. However, TO-252 is inconvenient to test due to its appearance. In addition, the pins of this package are bent and short, making it difficult to insert into the test machine for testing.
[0003] To this end, the present invention provides a TO-252 to TO-220 package test socket to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the present invention provides a TO-252 to TO-220 package test socket, which solves the above problems.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a TO-252 to TO-220 package test socket, comprising a TO-220 shell, a TO-252 component arranged inside the TO-220 shell, the TO-220 shell comprising an outer shell, a first pin fixedly mounted on the front of the outer shell, a holding groove provided inside the outer shell, a contact slot provided inside the holding groove, the TO-252 component comprising a TO-252 body, a second pin fixedly mounted on the front of the TO-252 body, the TO-252 body plugged into the holding groove, the first pin plugged into the contact Inside the contact slot, the left and right length of the TO-252 body is 6.5mm, the front and back length of the TO-252 body is 6mm, the thickness of the TO-252 body is 2.3mm, the length of the middle pin of the second pin is 0.5mm, the width is 0.8mm, the length of the edge pin of the second pin is 3mm, the left and right length of the holding slot is the same as the left and right length of the TO-252 body, the front and back length of the holding slot is the same as the front and back length of the TO-252 body, the thickness of the holding slot is the same as the thickness of the TO-252 body, the second pin is completely inserted into the contact slot, and the contact slot is electrically connected to the first pin.
[0006] Furthermore, an auxiliary groove is provided on the top of the outer shell, the auxiliary groove is arc-shaped, and the auxiliary groove is connected to the interior of the containing groove.
[0007] Furthermore, a support block is fixedly installed on the top of the external shell, a pressure plate is fixedly installed on the top of the support block, and a pressure block is fixedly installed on the bottom of the rear end of the pressure plate. The pressure block is located inside the auxiliary groove and fits on the top of the T0-252 body.
[0008] Furthermore, an elastic plate is fixedly installed between the bottom of the front end of the pressure plate and the external shell, and the elastic plate is made of elastic metal.
[0009] Furthermore, a slope is provided at the corner below the rear end of the pressing block, and the front end of the pressing plate is higher than the rear end.
[0010] Beneficial effects
[0011] The utility model provides a TO-252 to TO-220 package test socket. Compared with the existing technology, it has the following advantages:
[0012] 1. The TO-252 to TO-220 package test socket, when inserted, the TO-252 body pushes up the pressing block. After the TO-252 body is fully inserted, the pressing block is squeezed to the top of the TO-252 body by the elastic plate, thereby completing the fixation of the TO-252 body. After fixation, the second pin is connected to the first pin through the contact slot, realizing the conversion of TO-252 to TO-220. The purpose of convenient testing of TO-252 package is achieved through the converted TO-220. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0014] Figure 1 This is a three-dimensional diagram of the external structure of the utility model;
[0015] Figure 2 It is a side structural stereogram of the utility model;
[0016] Figure 3 This is a three-dimensional diagram of the overall split structure of the utility model;
[0017] Figure 4 It is a three-dimensional diagram of the internal structure of the outer shell of the utility model.
[0018] In the figure: 1. T0-220 shell; 11. External shell; 12. First pin; 13. Auxiliary slot; 14. Pressure plate; 15. Pressure block; 16. Support block; 17. Elastic plate; 18. Receiving slot; 19. Contact slot; 2. T0-252 component; 21. T0-252 body; 22. Second pin. DETAILED DESCRIPTION
[0019] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0020] The present application will be further described in detail below through the accompanying drawings and examples.
[0021] Reference Figures 1 to 4 The embodiment of the present application provides a TO-252 to TO-220 package test socket, including a TO-220 shell 1, a TO-252 component 2 is arranged inside the TO-220 shell 1, the TO-220 shell 1 includes an outer shell 11, a first pin 12 is fixedly installed on the front of the outer shell 11, a holding groove 18 is opened inside the outer shell 11, and a contact slot 19 is opened inside the holding groove 18, the TO-252 component 2 includes a TO-252 body 21, a second pin 22 is fixedly installed on the front of the TO-252 body 21, the TO-252 body 21 is plugged into the holding groove 18, and the first pin 12 is plugged into the contact slot 19. The left and right length of the TO-252 body 21 is 6.5mm, the front and back length of the TO-252 body 21 is 6mm, the thickness of the TO-252 body 21 is 2.3mm, the length of the middle pin of the second pin 22 is 0.5mm, the width is 0.8mm, the length of the edge pin of the second pin 22 is 3mm, the left and right length of the holding slot 18 is the same as the left and right length of the TO-252 body 21, the front and back length of the holding slot 18 is the same as the front and back length of the TO-252 body 21, the thickness of the holding slot 18 is the same as the thickness of the TO-252 body 21, the second pin 22 is fully inserted into the contact slot 19, and the contact slot 19 is electrically connected to the first pin 12.
[0022] An auxiliary groove 13 is provided on the top of the outer shell 11. The auxiliary groove 13 is arc-shaped and communicates with the interior of the storage groove 18. A support block 16 is fixedly installed on the top of the outer shell 11. A pressure plate 14 is fixedly installed on the top of the support block 16. A pressure block 15 is fixedly installed at the bottom of the rear end of the pressure plate 14. The pressure block 15 is located inside the auxiliary groove 13 and fits on the top of the T0-252 body 21. An elastic plate 17 is fixedly installed between the bottom of the front end of the pressure plate 14 and the outer shell 11. The elastic plate 17 is made of elastic metal. A slope is provided at the corner below the rear end of the pressure block 15, and the front end of the pressure plate 14 is higher than the rear end.
[0023] In this embodiment, when testing TO-252, the TO-252 body 21 is inserted into the holding groove 18. During insertion, the second pin 22 is inserted into the contact slot 19. During insertion, the TO-252 body 21 lifts the pressure block 15. After the TO-252 body 21 is fully inserted, the pressure block 15 is squeezed above the TO-252 body 21 by the elastic plate 17, thereby completing the fixation of the TO-252 body 21. After fixation, the second pin 22 is connected to the first pin 12 through the contact slot 19, realizing the conversion of TO-252 to TO-220. The purpose of facilitating the testing of the TO-252 package is achieved through the converted TO-220; when disassembling the TO-252, by pressing the front end of the pressure plate 14, the pressure block 15 is lifted upward by the support block 16, the fixation of the TO-252 body 21 is released, and the TO-252 body 21 is pulled out from the holding groove 18.
[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0025] Working principle: When testing TO-252, the TO-252 body 21 is inserted into the holding slot 18. During insertion, the second pin 22 is inserted into the contact slot 19. During insertion, the TO-252 body 21 lifts the pressure block 15. After the TO-252 body 21 is fully inserted, the pressure block 15 is squeezed above the TO-252 body 21 by the elastic plate 17, thereby completing the fixation of the TO-252 body 21. After fixation, the second pin 22 is connected to the first pin 12 through the contact slot 19, realizing the conversion of TO-252 to TO-220. The converted TO-220 achieves the purpose of facilitating the testing of the TO-252 package; when disassembling the TO-252, by pressing the front end of the pressure plate 14, the pressure block 15 is lifted upward by the support block 16, the fixation of the TO-252 body 21 is released, and the TO-252 body 21 is pulled out from the holding slot 18.
[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A TO-252 to TO-220 package test socket, comprising a TO-220 housing (1), characterized in that: The TO-220 housing (1) is provided with a TO-252 component (2) therein. The TO-220 housing (1) comprises an outer housing (11), a first pin (12) is fixedly mounted on the front of the outer housing (11), a receiving groove (18) is provided inside the outer housing (11), a contact slot (19) is provided inside the receiving groove (18), the TO-252 component (2) comprises a TO-252 body (21), a second pin (22) is fixedly mounted on the front of the TO-252 body (21), the TO-252 body (21) is plugged into the receiving groove (18), the first pin (12) is plugged into the contact slot (19), and the left and right lengths of the TO-252 body (21) are 6.5mm, the front-to-back length of the TO-252 body (21) is 6mm, the thickness of the TO-252 body (21) is 2.3mm, the length of the middle pin of the second pin (22) is 0.5mm, the width is 0.8mm, the length of the edge pin of the second pin (22) is 3mm, the left and right lengths of the holding slot (18) are the same as the left and right lengths of the TO-252 body (21), the front and back lengths of the holding slot (18) are the same as the front and back lengths of the TO-252 body (21), the thickness of the holding slot (18) is the same as the thickness of the TO-252 body (21), the second pin (22) is completely inserted into the contact slot (19), and the contact slot (19) is electrically connected to the first pin (12).
2. The TO-252 to TO-220 package test socket according to claim 1, characterized in that: An auxiliary groove (13) is provided on the top of the outer shell (11), and the auxiliary groove (13) is arc-shaped. The auxiliary groove (13) is connected to the interior of the containing groove (18).
3. The TO-252 to TO-220 package test socket according to claim 1, characterized in that: A support block (16) is fixedly mounted on the top of the outer shell (11), a pressure plate (14) is fixedly mounted on the top of the support block (16), a pressure block (15) is fixedly mounted on the bottom of the rear end of the pressure plate (14), and the pressure block (15) is located inside the auxiliary groove (13) and fits on the top of the TO-252 body (21).
4. The TO-252 to TO-220 package test socket according to claim 3, characterized in that: An elastic plate (17) is fixedly installed between the bottom of the front end of the pressure plate (14) and the outer shell (11), and the elastic plate (17) is made of elastic metal.
5. The TO-252 to TO-220 package test socket according to claim 3, characterized in that: The corner below the rear end of the pressing block (15) is provided with a slope, and the front end of the pressing plate (14) is higher than the rear end.