SPDT switch test fixture

Abstract

The utility model discloses a kind of SPDT switch test tool, the SPDT switch test tool is used to fix SPDT switch, the PIN pin of the SPDT switch is electrically connected with power supply, the test end of the SPDT switch is electrically connected with network analyzer, it is characterized in that, the test tool includes: base and the cushion block being set on base, the upper portion of the cushion block is equipped with the first placement slot for placing SPDT switch, the side of the cushion block close to PIN pin is equipped with the isolation component for isolating PIN pin;The base is also equipped with the limiting plate for limiting SPDT switch into the first placement slot, the limiting plate is rotationally arranged on adjusting screw, the adjusting screw is installed on base by screw thread. Second placement slot on the cushion block in the utility model adopts stepped structure, can place different sizes SPDT switch, expand the application range of tool, so that it can satisfy the test demand of multiple specifications SPDT switch, with stronger versatility and practicality.

Description

Technical Field

[0001] This utility model relates to the field of SPDT switch performance testing technology, and in particular to SPDT switch testing fixtures. Background Technology

[0002] In the field of electronic testing, the performance testing of SPDTs (single-pole double-throw switches) is currently mostly carried out using a direct connection method. That is, the operator directly connects the metal pin end of the SPDT to the DC regulated power supply to power it on, and at the same time connects the connector end to the network analyzer to perform performance testing on different channels.

[0003] However, this existing testing method has significant drawbacks and shortcomings. When directly connected to a DC regulated power supply, if the switch position is not fixed, the pins and the wiring connection point are prone to short circuits. Once a short circuit occurs, it can cause the switch to short-circuit and become damaged. This not only severely affects the accuracy of SPDT performance testing but may also damage the equipment, reduce the efficiency and reliability of the testing work, and make it difficult to meet the requirements for efficient and accurate SPDT performance testing. Utility Model Content

[0004] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide an SPDT switch testing fixture with high testing efficiency, wide application range and convenient use.

[0005] This utility model discloses an SPDT switch testing fixture, which is used to fix an SPDT switch. The PIN pin of the SPDT switch is electrically connected to a power supply, and the test terminal of the SPDT switch is electrically connected to a network analyzer. The testing fixture includes a base and a pad disposed on the base. The upper part of the pad has a first placement groove for placing the SPDT switch, and the pad has an isolation component for isolating the PIN pin on the side near the PIN pin. The base also has a limiting plate for limiting the SPDT switch into the first placement groove. The limiting plate is rotatably mounted on an adjusting screw, and the adjusting screw is threaded onto the base.

[0006] In one or more embodiments of the present invention, the isolation component includes a first column, the first column having a screw hole on its side opposite to the pad, the first column being mounted on the pad in a third direction by fixing screws, and an isolation plate being provided on the top of the first column in a first direction, the isolation plate being disposed between two pins.

[0007] In one or more embodiments of this utility model, the isolation component includes a support rod and a second column. The second column is installed on the pad in a third direction by fixing screws. A third placement groove is provided in the second column in a third direction. The support rod is snapped into the third placement groove. An isolation plate is provided at the top of the third placement groove in a first direction. The isolation plate is disposed between two pins.

[0008] In one or more embodiments of this utility model, the support rod has locking blocks on both sides and locking grooves on both sides, and the support rod is installed in the third placement groove by the cooperation of the locking blocks and the locking grooves.

[0009] In one or more embodiments of this utility model, the second column, the support rod, and the locking block disposed on the support rod are all elastic plastic parts.

[0010] In one or more embodiments of this utility model, the card slot is provided in at least three sets, which are equidistantly arranged on the second column along a third direction.

[0011] In one or more embodiments of this utility model, a second placement groove is provided on the top of the pad, and the bottom of the second placement groove is stepped along the first direction to place SPDT switches of different sizes.

[0012] In one or more embodiments of this utility model, the screw is provided with an adjustment end at the top of the limiting plate, and the adjustment end is provided with an anti-slip groove along a third direction.

[0013] The beneficial effects of this invention are as follows: Through the ingenious combination of the limiting plate and the adjusting screw, this invention can limit and fix SPDT switches of different sizes, ensuring stable switch position during testing, preventing circuit contact, thereby improving test safety and reducing the risk of equipment damage due to short circuits. Compared with traditional manual fixing methods, this fixture is simple and quick to operate, greatly improving testing efficiency and facilitating its widespread application in industrial production.

[0014] This invention effectively isolates the pins of an SPDT switch by combining a first column, an isolation plate or support rod, and a second column, preventing short circuits caused by windings. The various isolation components not only enhance the stability and reliability of the tooling but also improve its applicability and versatility, enabling it to meet the testing needs of SPDT switches of different models and sizes.

[0015] The rotating limit plate and threaded installation of the adjusting screw in this invention give the fixture excellent adjustability, allowing for quick adjustment of the limit position and precise fixation of the SPDT switch. Meanwhile, the anti-slip groove design on the adjusting end facilitates operation, further enhancing the ease of use of the fixture.

[0016] In this invention, the second placement slot on the pad adopts a stepped structure, which can accommodate SPDT switches of different sizes, expanding the application range of the tooling and enabling it to meet the testing requirements of various specifications of SPDT switches, thus possessing strong versatility and practicality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the application of the SPDT switch testing fixture in Embodiment 1 of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the SPDT switch testing fixture in Embodiment 1 of this utility model;

[0019] Figure 3 This is an isometric view of the SPDT switch testing fixture in Embodiment 2 of this utility model;

[0020] Figure 4 This is a schematic diagram of the isolation plate in Embodiment 2 of this utility model;

[0021] Figure 5 This is the front view of the SPDT switch testing fixture of Embodiment 2 of this utility model;

[0022] Figure 6 This is a connection diagram for testing the SPDT switch in this utility model.

[0023] In the diagram: base 10, pad 20, first placement slot 21, locking plate 22, second placement slot 24, stepped structure 23, SPDT switch 30, PIN pin 31, test terminal 32, limit plate 40, adjustment terminal 50, isolation component 60, first column 61, screw hole 62, isolation plate 63, support rod 64, second column 65, third placement slot 66, locking block 67, slot 68, fixing screw 70, adjusting screw 80, power supply 90, network analyzer 100. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0025] In the description of this utility model, it should be understood that the terms "vertical", "horizontal", "top", "bottom", "upper", "lower", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] It should be noted that, unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0027] As described in the background section, in the prior art, when relevant personnel conduct SPDT switch testing, the SPDT switch is often not fixed, which makes it easy for the PIN pin to touch the circuit when connected, resulting in a short circuit and damage to the switch.

[0028] For the above issues, please refer to the appendix. Figure 1 , 6 As shown, this utility model provides an SPDT switch test fixture, which is used to fix an SPDT switch 30. The PIN pin 31 of the SPDT switch 30 is electrically connected to a power supply 90, and the test terminal 32 of the SPDT switch 30 is electrically connected to a network analyzer 100.

[0029] In a further embodiment, the test fixture includes: a base 10 and a pad 20 disposed on the base 10. The upper part of the pad 20 has a first placement groove 21 for placing the SPDT switch 30. The pad 20 has an isolation component 60 for isolating the PIN pin 31 on the side near the PIN pin 31. The base 10 also has a limiting plate 40 for limiting the SPDT switch 30 into the first placement groove 21. The limiting plate 40 is rotatably mounted on an adjusting screw 80, which is threaded onto the base 10. The first placement groove 21 is formed by a locking plate. In this embodiment, the isolation component 60 is used to isolate the metal PIN pin 31, and the limiting plate 40, in conjunction with the first placement groove 21, is used to fix the SPDT switch 30 to ensure that a short circuit does not occur during testing due to contact at the PIN pin 31 wiring point. The adjusting screw 80 has an adjusting end 50 at the top of the limiting plate 40, and the adjusting end 50 has an anti-slip groove along a third direction to facilitate the operation of the limiting plate 40 pressing the SPDT switch 30. In this embodiment, the third direction is the height direction of the pad block, and the first direction is the length direction of the pad block.

[0030] Example 1

[0031] See appendix Figures 1-2 As shown, the isolation assembly 60 includes a first post 61. The first post 61 has screw holes 62 on its side opposite the pad 20. The first post 61 is mounted on the pad 20 along a third direction using fixing screws 70. An isolation plate 63 is provided on the top of the first post 61 along a first direction, and the isolation plate 63 is positioned between two PIN pins 31. In this embodiment, the first post 61 and the first placement slot 21 can be configured according to the size of the SPDT switch 30 to be fixed.

[0032] Example 2

[0033] See appendix Figures 3-5 As shown, the isolation assembly 60 includes a support rod 64 and a second column 65. The second column 65 is mounted on the pad 20 along a third direction by fixing screws 70. A third placement groove 66 is formed inside the second column 65 along a third direction. The support rod 64 is snapped into the third placement groove 66. An isolation plate 63 is provided on the top of the third placement groove 66 along a first direction, and the isolation plate 63 is disposed between two PIN pins 31. Locking blocks 67 and locking slots 68 are formed on both sides of the support rod 64. The support rod 64 is installed in the third placement groove 66 through the cooperation of the locking blocks 67 and the locking slots 68. In this embodiment, the second column 65, the support rod 64, and the locking blocks 67 on the support rod 64 are all elastic plastic parts. In this embodiment, at least three sets of locking slots 68 are provided, equidistantly arranged on the second column 65 along a third direction. The top of the pad 20 has a second placement groove 24, and the bottom of the second placement groove 24 is stepped 23 along the first direction to accommodate SPDT switches 30 of different sizes. In this embodiment, the support rod 64 in the isolation assembly 60 is installed in the third placement groove 66 through the cooperation of the locking block 67 and the locking groove 68. The height of the limiting plate 40 and the bottom of the second placement groove 24 are stepped 24 to ensure that the isolation assembly 60 and the second placement groove 24 can be used for SPDT switches 30 of different sizes.

[0034] Workflow: When in use, place the SPDT switch 30 into the first placement slot 21 or the second placement slot 24. Adjust the height of the limiting plate 40 to isolate the two pins 31 of the SPDT switch 30. Rotate the adjusting end 50 to make the limiting plate 40 move closer to the pad 20 along with the adjusting screw 80, thereby pressing the SPDT switch 30. Finally, connect the SPDT switch 30, power supply 90 and network analyzer 100 to start testing via cables.

[0035] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. An SPDT switch test fixture, wherein the SPDT switch test fixture is used to fix an SPDT switch (30), wherein the pin (31) of the SPDT switch (30) is electrically connected to a power supply (90), and the test terminal (32) of the SPDT switch (30) is electrically connected to a network analyzer (100), characterized in that, The test fixture includes: a base (10) and a pad (20) disposed on the base (10). The upper part of the pad (20) is provided with a first placement groove (21) for placing the SPDT switch (30). The pad (20) is provided with an isolation component (60) for isolating the PIN pin (31) on the side near the PIN pin (31). The base (10) is also provided with a limiting plate (40) for limiting the SPDT switch (30) to the first placement groove (21). The limiting plate (40) is rotatably disposed on an adjusting screw (80). The adjusting screw (80) is threadedly installed on the base (10).

2. The SPDT switch testing fixture according to claim 1, characterized in that, The isolation component (60) includes a first column (61), on which a screw hole (62) is provided on the side of the first column (61) opposite to the pad (20). The first column (61) is installed on the pad (20) in a third direction by a fixing screw (70). An isolation plate (63) is provided on the top of the first column (61) in a first direction. The isolation plate (63) is disposed between two pins (31).

3. The SPDT switch testing fixture according to claim 1, characterized in that, The isolation component (60) includes a support rod (64) and a second column (65). The second column (65) is installed on the pad (20) along a third direction by fixing screws (70). A third placement groove (66) is provided in the second column (65) along a third direction. The support rod (64) is snapped into the third placement groove (66). An isolation plate (63) is provided on the top of the third placement groove (66) along a first direction. The isolation plate (63) is placed between two PIN pins (31).

4. The SPDT switch testing fixture according to claim 3, characterized in that, The support rod (64) has locking blocks (67) on both sides and locking slots (68) on both sides. The support rod (64) is installed in the third placement slot (66) through the cooperation of the locking blocks (67) and the locking slots (68).

5. The SPDT switch testing fixture according to claim 4, characterized in that, The second column (65), the support rod (64), and the locking block (67) set on the support rod (64) are all elastic plastic parts.

6. The SPDT switch testing fixture according to claim 4, characterized in that, The card slot (68) is provided in at least three sets, which are equidistantly arranged on the second column (65) along the third direction.

7. The SPDT switch testing fixture according to claim 3, characterized in that, The top of the pad (20) is provided with a second placement groove (24), and the bottom of the second placement groove (24) is stepped (23) along the first direction to place SPDT switches (30) of different sizes.

8. The SPDT switch testing fixture according to claim 1, characterized in that, The section screw (80) is provided with an adjustment end (50) at the top of the limiting plate (40), and the adjustment end (50) is provided with an anti-slip groove along the third direction.

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