A new structure of RF connector interface test head

Abstract

The utility model discloses a radio frequency connector interface test head of a novel structure, comprising a radio frequency test shell and a connector shell, wherein the front surface of the radio frequency test shell is threadedly connected with an outer conductor structure, the interior of the radio frequency test shell is fixedly connected with a needle tube, the back of the needle tube is fixedly connected with a center conductor tail plug, the interior of the center conductor tail plug is fixedly connected with a small spring, the other end of the small spring is fixedly connected with a center needle, the surface of the center conductor tail plug is fixedly installed with a first insulator, and the surface of the center needle is fixedly installed with a second insulator. The utility model improves the reliability and stability of the outer conductor contact head when the device is used by setting an outer conductor contact surface, and improves the reliability and stability of the contact of the inner conductor by setting an inner conductor conical contact surface, while also reducing damage to the center jack of the radio frequency connector under test, and increasing the fault tolerance and pass rate of the device when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of radio frequency testing equipment, in particular to a radio frequency connector interface testing head with a new structure. Background Art

[0002] With the development of communication technology, new requirements are put forward for the stability and consistency of RF connectors. It is very important to have a reliable and stable RF connector interface test head.

[0003] There are two main test schemes currently used for testing connector interfaces: the first scheme is to directly connect the male and female heads of the RF connector, which is reliable and stable, but the test efficiency is low and is not conducive to large-scale and cost control; the second scheme is to use an RF test head with a spring, which has high test efficiency. Although the test efficiency of mainstream products on the market has been improved, the reliability, stability and life will be reduced, and even cause certain damage to the product itself. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a radio frequency connector interface test head with a new structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A radio frequency connector interface test head with a novel structure comprises a radio frequency test shell and a connector shell, wherein the front surface of the radio frequency test shell is threadedly connected with an outer conductor structure, the interior of the radio frequency test shell is fixedly connected with a needle tube, the back of the needle tube is fixedly connected with a center conductor tail plug, the interior of the center conductor tail plug is fixedly connected with a small spring, the other end of the small spring is fixedly connected with a center needle, a first insulator is fixedly installed on the surface of the center conductor tail plug, the first insulator is connected to the radio frequency test shell, and a second insulator is fixedly installed on the surface of the center needle.

[0007] As a further improvement of the present invention, the outer conductor structure comprises an outer conductor contact head threadedly connected to the front side of the radio frequency test housing, and an outer conductor guide sleeve is threadedly connected to the front side of the outer conductor contact head.

[0008] As a further improvement of the utility model, a large spring is fixedly connected to the surface of the outer conductor guiding sleeve, an insulating pad is fixedly connected to the other end of the large spring, a flange is fixedly connected to the front of the insulating pad, and the large spring, insulating pad and flange are sequentially sleeved on the outer conductor guiding sleeve.

[0009] As a further improvement of the utility model, a central plug hole is provided on the back of the connector housing, and a third insulator is provided inside the connector housing.

[0010] As a further improvement of the utility model, the front side of the outer conductor contact head is fixedly connected with an outer conductor contact surface, and the surface of the outer conductor contact surface is provided with sharp teeth.

[0011] As a further improvement of the utility model, one end of the center needle is fixedly connected to an inner conductor conical contact surface adapted to the center plug hole, and the front side of the inner conductor conical contact surface is fixedly connected to a guide circle main body arc circle.

[0012] Beneficial effects of the utility model:

[0013] By setting an outer conductor contact head and an outer conductor contact surface, the outer conductor contact surface of the new structure outer conductor contact head is optimized during use, and sharp teeth are set on the outer conductor contact surface. The sharp edges of the sharp teeth help to penetrate impurities and oxide layers, so that the device greatly improves the reliability and stability of the outer conductor contact head during use.

[0014] By setting the center needle and the inner conductor conical contact surface, the center needle contact surface is optimized during use, and the center needle contact surface is optimized to an inner conductor conical contact surface structure with a guide circular main arc circle at the front end, so that the device not only improves the reliability and stability of the contact of the inner conductor, but also reduces the damage to the center jack of the RF connector under test, thereby increasing the practicality of the device.

[0015] The utility model improves the fault tolerance rate and the straight-through rate when the device is used by optimizing the contact surface of the outer conductor contact head and the center pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a new type of radio frequency connector interface test head proposed by the utility model;

[0017] Figure 2 This is a schematic structural diagram of a connector housing of a radio frequency connector interface test head of a novel structure proposed by the utility model;

[0018] Figure 3 This is a structural schematic diagram of an outer conductor contact head of a radio frequency connector interface test head of a novel structure proposed by the utility model;

[0019] Figure 4 This is a schematic structural diagram of a center pin of a radio frequency connector interface test head of a novel structure proposed by the utility model.

[0020] In the figure: 1 RF test housing, 2 connector housing, 3 needle tube, 4 center conductor tail plug, 5 small spring, 6 center needle, 7 first insulator, 8 second insulator, 9 outer conductor contact head, 10 outer conductor guide sleeve, 11 large spring, 12 insulating pad, 13 flange, 14 center jack, 15 third insulator, 16 outer conductor contact surface, 17 sharp teeth, 18 inner conductor conical contact surface, 19 guide circle main body arc circle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 3 A new type of RF connector interface test head includes a RF test shell 1 and a connector shell 2. The front of the RF test shell 1 is threadedly connected with an outer conductor structure. The inside of the RF test shell 1 is fixedly connected with a needle tube 3. The back of the needle tube 3 is fixedly connected with a center conductor tail plug 4. The inside of the center conductor tail plug 4 is fixedly connected with a small spring 5. The other end of the small spring 5 is fixedly connected with a center needle 6. A first insulator 7 is fixedly installed on the surface of the center conductor tail plug 4. The first insulator 7 is connected to the RF test shell 1. A second insulator 8 is fixedly installed on the surface of the center needle 6. The arrangement of the first insulator 7 and the second insulator 8 prevents the risk of leakage when the device is used, thereby increasing the safety of the device.

[0023] In the utility model, the outer conductor structure includes an outer conductor contact head 9 threadedly connected to the front of the radio frequency test housing 1, the front of the outer conductor contact head 9 is threadedly connected to the outer conductor guide sleeve 10, the surface of the outer conductor guide sleeve 10 is fixedly connected to a large spring 11, the other end of the large spring 11 is fixedly connected to an insulating pad 12, and the front of the insulating pad 12 is fixedly connected to a flange 13. The arrangement of the insulating pad 12 makes the device more stable when used;

[0024] A center socket 14 is provided on the back of the connector housing 2, a third insulator 15 is provided inside the connector housing 2, an outer conductor contact surface 16 is fixedly connected to the front of the outer conductor contact head 9, a sharp tooth 17 is provided on the surface of the outer conductor contact surface 16, one end of the center needle 6 is fixedly connected to an inner conductor conical contact surface 18 that matches the center socket 14, and a guide circle main body arc 19 is fixedly connected to the front of the inner conductor conical contact surface 18. The sharp tooth 17 is provided to improve the reliability and stability of the outer conductor contact head 9 during use, and the guide circle main body arc 19 is provided to avoid damage to the center socket 14.

[0025] When the utility model is used, the center conductor tail plug 4 is inserted and welded on the needle tube 3, the small spring 5 and the center needle 6 are sequentially installed in the needle tube 3, the first insulator 7 is installed in the center conductor tail plug 4, and then the second insulator 8 is installed on the needle rod of the center needle 6 to form a center conductor assembly, the outer conductor contact head 9 is threadedly connected with the outer conductor guide sleeve 10 to form an outer conductor assembly, the large spring 11, the insulating pad 12, and the flange 13 are sequentially sleeved on the aforementioned outer conductor in sequence, the radio frequency test housing 1 is installed on the first insulator 7 of the aforementioned center conductor assembly, and then installed in the outer conductor assembly and threadedly connected with the outer conductor assembly, when testing, the inner conductor conical contact surface 18 of the center needle 6 is inserted into the center plug hole 14 of the connector housing 2 for testing, and the guide circle main body arc circle 19 of the inner conductor conical contact surface 18 can effectively improve the reliability and stability of the contact of the inner conductor.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radio frequency connector interface test head of a novel structure, comprising a radio frequency test housing (1) and a connector housing (2), characterized in that: The front surface of the radio frequency test housing (1) is threadedly connected to an outer conductor structure, the interior of the radio frequency test housing (1) is fixedly connected to a needle tube (3), the back surface of the needle tube (3) is fixedly connected to a center conductor tail plug (4), the interior of the center conductor tail plug (4) is fixedly connected to a small spring (5), the other end of the small spring (5) is fixedly connected to a center needle (6), a first insulator (7) is fixedly mounted on the surface of the center conductor tail plug (4), the first insulator (7) is connected to the radio frequency test housing (1), and a second insulator (8) is fixedly mounted on the surface of the center needle (6).

2. The new structure of the RF connector interface test head according to claim 1 is characterized in that: The outer conductor structure comprises an outer conductor contact head (9) threadedly connected to the front side of the radio frequency test housing (1), and an outer conductor guide sleeve (10) is threadedly connected to the front side of the outer conductor contact head (9).

3. The new structure of the RF connector interface test head according to claim 2 is characterized in that: A large spring (11) is fixedly connected to the surface of the outer conductor guiding sleeve (10), an insulating pad (12) is fixedly connected to the other end of the large spring (11), and a flange (13) is fixedly connected to the front side of the insulating pad (12).

4. The new structure of the RF connector interface test head according to claim 1 is characterized in that: A central plug hole (14) is provided on the back of the connector housing (2), and a third insulator (15) is provided inside the connector housing (2).

5. The new structure of the RF connector interface test head according to claim 2 is characterized in that: The front side of the outer conductor contact head (9) is fixedly connected to an outer conductor contact surface (16), and the surface of the outer conductor contact surface (16) is provided with sharp teeth (17).

6. The new structure of the RF connector interface test head according to claim 4 is characterized in that: One end of the center needle (6) is fixedly connected to an inner conductor cone contact surface (18) adapted to the center plug hole (14), and the front side of the inner conductor cone contact surface (18) is fixedly connected to a guide circular main body arc circle (19).

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