Contact ring and radio frequency connector

Abstract

The utility model relates to a contact ring and a radio frequency connector, which comprise a circular ring and an elastic part, the side surface of the circular ring is provided with an axially through mounting slot, the side surface of the circular ring is provided with elastic slots, the elastic slots are symmetrically arranged on two sides of the circular ring, and the two groups of elastic slots upwards penetrate through the top surface of the circular ring and are symmetrically arranged on two sides of the mounting slot. The two sets of elastic grooves are opposite in direction relative to the installation open groove, and the two sets of elastic grooves upwards penetrate through the annular top face to form a strip-shaped elastic part located at the annular end. The radio frequency connector comprises a contact ring, a shell, a contact ring and an elastic inner conductor, the end face of the annular plane of the contact ring is in contact with the metal ground of the printed board and the chip through pressure, the elastic inner conductor is in contact with the metal positive electrode of the printed board and the metal positive electrode of the chip through pressure to play a connection role, and the contact reliability is good. Moreover, the radio frequency connector is installed in the structural member, and the number of parts forming the radio frequency connector is small, so that the structure of the radio frequency connector can be miniaturized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connector, specifically relates to a contact ring, radio frequency connector. BACKGROUND

[0002] With the continuous miniaturization and precision of electronic equipment and electronic instrument, the connector used on the equipment and instrument must develop towards high density, miniaturization and lightness, so its volume must be reduced. With the continuous reduction of the volume of traditional connector, the welding difficulty of outer conductor and shell and printed board increases, and the reliability of welding decreases significantly, so the reliability of contact cannot be guaranteed; the welding difficulty and cost increase obviously, and the product qualification rate decreases significantly, which hinders the development of connector towards miniaturization. CONTENT

[0003] The utility model provides a contact ring, radio frequency connector for solving the prior art technical problem of background art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: first, the utility model provides a contact ring, which comprises: a circular ring type and an elastic part, the circular ring type side is provided with an axial through installation slot, the circular ring type side is provided with an elastic groove, the elastic grooves are symmetrically arranged on both sides of the circular ring type, two groups of the elastic grooves are through the top surface of the circular ring type upwards, two groups of the elastic grooves are symmetrically arranged on both sides of the installation slot, the direction of two groups of the elastic grooves is opposite to the direction of the installation slot, and two groups of the elastic grooves are through the top surface of the circular ring type upwards, forming a strip-shaped elastic part at one end of the circular ring type.

[0005] Preferably, the elastic part is connected with the circular ring type at the root, the elastic part is inclined and gradually away from the circular ring type, so that the elastic part has elasticity.

[0006] Preferably, the circular ring type is a hollow cylinder.

[0007] Preferably, the slot is through the circular ring type.

[0008] Preferably, in the natural state of the contact ring, one end of the elastic part is higher than the end surface of the circular ring type; in the limit compression state of the contact ring, the elastic part is flush with the circular ring type.

[0009] Secondly, the utility model further provides a radio frequency connector, which comprises: the contact ring, a shell, a contact ring and an elastic inner conductor, the shell is externally sleeved with the contact ring, the thickness of the radio frequency connector in the free state is higher than the thickness of the structural member on which the radio frequency connector is installed, the height of the shell is equal to the thickness of the structural member on which the radio frequency connector is installed, and the elastic inner conductor is movably installed in the center of the shell.

[0010] Preferably, the elastic inner conductor has elasticity, and the height of the elastic inner conductor in free state is higher than the height of the shell.

[0011] Preferably, a circular annular groove is arranged at each end of the shell, a circular annular protrusion is arranged in the circular annular groove, and the two circular annular protrusions are respectively sleeved with one end of the elastic part of the shell.

[0012] Preferably, an insulator is fixedly connected in the shell, and the elastic inner conductor is movably connected in the insulator.

[0013] The utility model discloses a contact ring, radio frequency connector, apply to board to board, chip to board, antenna to board etc.

[0014] The utility model discloses a contact ring, radio frequency connector, apply to board to board, chip to board, antenna to board etc. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole schematic diagram of the contact ring that the utility model proposes Figure 1 ;

[0016] Figure 2 It is the whole schematic diagram of the contact ring that the utility model proposes Figure 2 ;

[0017] Figure 3 It is the partial parts drawing of the radio frequency connector that the utility model proposes

[0018] Figure 4 It is the cross section drawing of the radio frequency connector that the utility model proposes

[0019] Figure 5 It is the three-dimensional view of the radio frequency connector that the utility model proposes

[0020] Figure 6 It is the use state drawing of the radio frequency connector that the utility model proposes

[0021] In the drawing: elastic part 1, circular annular 2, protrusion 201, install slot 3, elastic groove 4, shell 5, contact ring 6, structural member 7, elastic inner conductor 8, annular groove 9, insulator 10. DETAILED DESCRIPTION

[0022] The specific embodiments of the present invention will now be described in full with reference to the accompanying drawings. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details are not intended to limit the present invention. That is, in some embodiments of the present invention, these physical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0023] Example 1:

[0024] like Figures 1-3 As shown, this utility model provides a contact ring, including: a circular ring 2 and an elastic part 1. The circular ring 2 has an axially penetrating mounting groove 3 on its side and an elastic groove 4 on its side. The elastic grooves 4 are symmetrically opened on both sides of the circular ring 2, and the two sets of elastic grooves 4 penetrate upward through the top surface of the circular ring 2. The two sets of elastic grooves 4 are symmetrically located on both sides of the mounting groove 3. The two sets of elastic grooves 4 are opposite in direction to the mounting groove 3 and penetrate upward through the top surface of the circular ring 2, forming a strip-shaped elastic part 1 located at one end of the circular ring 2.

[0025] Furthermore, the root of the elastic part 1 is connected to the annular shape 2, and the elastic part 1 is inclined and gradually moves away from the annular shape 2, so that the elastic part 1 has elasticity.

[0026] Furthermore, the annular shape 2 is a hollow cylinder, and a ring of protrusions 201 is provided inside the annular shape 2.

[0027] Furthermore, the slot 3 extends through the annular shape 2.

[0028] Furthermore, in its natural state, one end of the elastic part 1 is higher than the end face of the annular shape 2; in its extreme compression state, the elastic part 1 is flush with the annular shape 2.

[0029] Example 2:

[0030] like Figures 4-5 As shown, this utility model also provides an RF connector, including: the contact ring, the housing 5, the contact ring 6, and the elastic inner conductor 8. The contact ring 6 is slidably sleeved on the outside of the housing 5. The thickness of the RF connector in its free state is higher than the thickness of the structural component 7 on which the RF connector is mounted. The height of the housing 5 is equal to the thickness of the structural component 7 on which the RF connector is mounted. The elastic inner conductor 8 is movably mounted at the center of the housing 5.

[0031] Further, the elastic inner conductor 8 has elasticity, and the height of the free state of the elastic inner conductor 8 is higher than the height of the shell 5. When the elastic inner conductor 8 contacts the circuit board, the pre-tightening force of the connecting part can be ensured, and the elastic inner conductor 8 can be provided in the form of a cylindrical spring.

[0032] Further, a ring-shaped groove 9 is arranged at each of the two ends of the shell 5, and the two elastic parts 1 connected with the circular ring 2 are respectively sleeved at one end of the shell 5, and the protrusion 201 is sleeved outside the ring-shaped groove 9 after the protrusion 201 is inserted into one end of the shell 5. The diameter of the inner ring of the protrusion 201 is slightly smaller than the diameter of the outside of one end of the shell 5, and the interference gap can be 0.01-0.02mm, so that the protrusion 201 can be inserted into one end of the shell 5 under the action of pressure, and then the protrusion 201 is limited by the ring-shaped groove 9, and the axial movement distance of the circular ring 2 is limited by the ring-shaped groove 9.

[0033] Further, the shell 5 is fixedly connected with an insulator 10 inside, and the elastic inner conductor 8 is movably connected inside the insulator 10. The material of the elastic inner conductor 8 is conductive material, which can be beryllium bronze wire, molybdenum wire, etc., and the elastic inner conductor 8 is used for transmission of radio frequency signals. The material of the insulator 10 is insulating material, which is used for insulation between the shell 5 and the elastic inner conductor 8.

[0034] Embodiment 3:

[0035] As shown in Figure 6 The utility model discloses still provide a kind of application of radio frequency connector, the radio frequency connector plug-in installation in structural member 7, and the end surface of contact ring in radio frequency connector, elastic inner conductor 8 and printed board end surface contact, realize the signal conduction of radio frequency connector.Radio frequency connector is applied to board to board, chip to board, antenna to board etc. structure, free welding, convenient to replace maintenance, the end surface of annular plane of contact ring is contacted with the metal ground of printed board, chip by pressure, elastic inner conductor 8 is contacted with the metal positive pole of printed board, chip by pressure and play the connecting role, so that the reliability of contact is better;And radio frequency connector is installed in structural member, the parts of radio frequency connector are few, can make the structure of radio frequency connector can be miniaturized.

[0036] The above only is the specific implementation way of the utility model and does not use for limiting the utility model. For the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A contact ring, characterized by It includes: The circular ring type (2) is provided with an axial through installation slot (3) on the side, the circular ring type (2) is provided with an elastic groove (4) on the side, the elastic groove (4) is symmetrically provided on both sides of the circular ring type (2), and the two groups of elastic grooves (4) are symmetrically located on both sides of the installation slot (3), the two groups of elastic grooves (4) are opposite to the direction of the installation slot (3), and the two groups of elastic grooves (4) are through the top surface of the circular ring type (2) upwards, forming a strip-shaped elastic part (1) located at one end of the circular ring type (2).

2. The contact ring of claim 1, wherein The root of the elastic part (1) is connected with the circular ring type (2), the elastic part (1) is inclined and gradually away from the circular ring type (2), so that the elastic part (1) has elasticity.

3. The contact ring of claim 2, wherein, The circular ring type (2) is a hollow cylinder, and a ring of protrusions (201) is arranged inside the circular ring type (2).

4. The contact ring of claim 2, wherein The slot (3) penetrates the circular ring type (2).

5. The contact ring of any one of claims 1-4, wherein, In the natural state of the contact ring, one end of the elastic part (1) is higher than the end surface of the circular ring type (2); in the limit compression state of the contact ring, the elastic part (1) is flush with the circular ring type (2).

6. A radio frequency connector, characterized by, It includes: The shell (5) is externally sleeved with the contact ring (6), the thickness of the radio frequency connector in the free state is higher than the thickness of the structural member (7) on which the radio frequency connector is installed, the height of the shell (5) is equal to the thickness of the structural member (7) on which the radio frequency connector is installed, and the elastic inner conductor (8) is movably installed at the center of the shell (5).

7. The connector of claim 6, wherein, The elastic inner conductor (8) has elasticity, and the height of the elastic inner conductor (8) in the free state is higher than the height of the shell (5).

8. The connector of claim 7, wherein, The shell (5) is externally sleeved with the contact ring (6), the thickness of the radio frequency connector in the free state is higher than the thickness of the structural member (7) on which the radio frequency connector is installed, the height of the shell (5) is equal to the thickness of the structural member (7) on which the radio frequency connector is installed, and the elastic inner conductor (8) is movably installed at the center of the shell (5).

9. The connector of any one of claims 6-8, wherein, The shell (5) is internally fixedly connected with an insulator (10), and the insulator (10) is movably connected with the elastic inner conductor (8).

Images