Dual-channel radio frequency connector

Abstract

The utility model relates to the technical field of electric connectors, and discloses a dual-channel radio frequency connector which comprises an upper insulator and a lower insulator, the left end of the lower insulator is provided with an equipment cavity, and the horizontal center of the inner bottom surface of the equipment cavity is fixedly connected with a dual-shaft motor; a rotating shaft is fixedly connected to the shaft end of the double-shaft motor, and bevel gears are fixedly connected to the two ends of the rotating shaft; a threaded rod is connected to the inner bottom face of the left side of the equipment cavity through a bearing, and the upper end face of the threaded rod penetrates through the upper end face of the lower insulator. According to the device, the annular clamping seat is arranged at the tail end of the signal terminal to fix the cable, so that the stability of the cable is improved; the shielding effect of the radio frequency connector is enhanced and the electromagnetic interference is reduced by using the sliding connection between the limiting slide block and the shielding shell and the electrical connection between the grounding terminal and the shielding shell; according to the device, the assembly efficiency and the connector performance are improved through the convenient design of the insulation fixing block guiding structure, and the requirements of modern communication equipment for high reliability and efficient assembly are met.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connectors, in particular to a dual-channel radio frequency connector. Background Technique

[0002] A dual-channel radio frequency connector is a radio frequency connection device with two independent channels, allowing the simultaneous transmission of two radio frequency signals; this type of connector is usually used in applications that require the simultaneous transmission of multiple signals. The design of the dual-channel radio frequency connector can reduce the number of connection points required, improve the reliability and performance of the system. However, existing devices still have certain defects, such as:

[0003] The "dual-channel radio frequency connector" with the application number 201922082727.X includes: an insulating body; two signal terminals arranged on the insulating body, and at least one grounding terminal is arranged between the two opposite signal terminals; an insulating fixing block; a shielding shell; there is no guiding structure corresponding to the insulating fixing block inside the insulator of this device, so that during the installation process, the staff accidentally wears components such as the grounding terminal and the signal terminal, thereby reducing the service life of the components and the work efficiency of the staff, and cannot meet the use requirements. In view of this, a dual-channel radio frequency connector is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a dual-channel radio frequency connector to solve the problem that the existing dual-channel radio frequency connector does not have a guiding structure corresponding to the insulating fixing block, so that during the installation process, the staff accidentally wears components such as the grounding terminal and the signal terminal, thereby reducing the service life of the components and the work efficiency of the staff as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: It includes an upper insulator and a lower insulator. A device cavity is arranged at the left end of the lower insulator, and a dual-axis motor is fixedly connected to the horizontal center of the inner bottom surface of the device cavity; a rotating shaft is fixedly connected to the shaft end of the dual-axis motor, and helical gears are fixedly connected to both ends of the rotating shaft; a threaded rod is connected to the inner bottom surface of the left side of the device cavity through a bearing, and the upper end surface of the threaded rod penetrates through the upper end surface of the lower insulator; the lower end surface of the threaded rod is fixedly connected to the helical gear, and the rotating shaft and the threaded rod are meshed and driven through the helical gear; the threaded rods are symmetrically arranged with respect to the dual-axis motor; an auxiliary sliding rod is fixedly connected to the rear end of the upper end surface of the lower insulator, and grooves corresponding to the threaded rod and the auxiliary sliding rod are arranged on the lower end surface of the upper insulator; the upper insulator is threadedly connected to the lower insulator through the threaded rod and the corresponding grooves.

[0006] Adopting the above technical solution is convenient for ensuring the stable overall structure of the device.

[0007] As a preferred technical solution of the present utility model, grooves are provided on the lower end surface of the upper insulator and the upper end surface of the lower insulator, and an insulating fixing block is slidably inserted into the grooves. A signal terminal and a grounding terminal are fixedly connected inside the insulating fixing block; both ends of the signal terminal and the grounding terminal penetrate through the insulating fixing block.

[0008] Adopting the above technical solution facilitates guiding the installation of the insulating fixing block into the insulator.

[0009] As a preferred technical solution of the present utility model, the grounding terminal is located at the horizontal center of the insulating fixing block, and the signal terminals are symmetrically arranged with respect to the grounding terminal.

[0010] Adopting the above technical solution facilitates achieving the balanced connection between the signal terminal and the grounding terminal, thereby improving the signal transmission performance of the RF connector.

[0011] As a preferred technical solution of the present utility model, insertion slots corresponding to the signal terminal and the grounding terminal are provided at the left end of the groove of the lower insulator; an inspection window is provided on the upper end surface of the upper insulator, and the inspection window is located directly above the insertion slot.

[0012] Adopting the above technical solution facilitates the operator to directly inspect the connection state of the signal terminal and the grounding terminal; in addition, the setting of the inspection window also helps to conduct quality control during the production process to ensure that the insertion quality of each RF connector meets the standard requirements.

[0013] As a preferred technical solution of the present utility model, a ring-shaped card seat is fixedly connected to the tail end of the signal terminal, and a cable is inserted into the ring-shaped card seat.

[0014] Adopting the above technical solution can effectively fix the cable and prevent the cable from falling off due to vibration or pulling during use.

[0015] As a preferred technical solution of the present utility model, limiting sliders are fixedly connected to the upper end surface of the upper insulator, and the limiting sliders are symmetrically arranged with respect to the horizontal center of the upper end surface of the upper insulator; the upper end surface of the upper insulator is slidably connected with a shielding shell through the limiting sliders, and the grounding terminal is electrically connected to the shielding shell.

[0016] Adopting the above technical solution facilitates achieving the shielding effect of the RF connector and reducing the influence of electromagnetic interference on signal transmission.

[0017] As a preferred technical solution of the present utility model, a slot corresponding to the inspection window is provided on the upper end surface of the shielding shell, and an anti-collision rib is fixedly connected to the upper end surface of the shielding shell; protective bumps are fixedly connected to the periphery of the outer end surface of the lower insulator.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting an annular card seat at the tail end of the signal terminal to fix the cable, the stability of the cable is improved, preventing it from falling off; by utilizing the sliding connection between the limiting slider and the shielding shell and the electrical connection between the grounding terminal and the shielding shell, the shielding effect of the RF connector is enhanced, reducing electromagnetic interference; the design of the shielding shell and the insulator improves durability and safety; in addition, the convenient design of the insulating fixing block guiding structure of the device improves the assembly efficiency and connector performance, meeting the requirements of modern communication equipment for high reliability and efficient assembly.

[0019] 1. During use, the insulating fixing block is accurately inserted into the lower insulator through the groove. Subsequently, the biaxial motor is started, and the ceiling rotating shaft of the biaxial motor rotates. The rotating shaft drives the threaded rod to rotate through the helical gear, thereby fitting the upper insulator and the lower insulator together, and then realizing the rapid and accurate installation of the insulating fixing block.

[0020] 2. After the insulating fixing block is installed, the cable is inserted into the annular card seat. Subsequently, the shielding shell is sleeved outside the insulator through the limiting slider, thus completing the rapid installation of the device. Description of the Drawings

[0021] Figure 1 It is a schematic top view sectional structure diagram of the lower insulator of the present utility model;

[0022] Figure 2 It is a schematic side view sectional connection structure diagram of the device cavity of the present utility model;

[0023] Figure 3 It is a schematic top view structure diagram of the present utility model;

[0024] Figure 4 It is a schematic top view structure diagram after the upper insulator and the lower insulator of the present utility model are fitted together;

[0025] Figure 5 It is a schematic three-dimensional structure diagram after the upper insulator and the lower insulator of the present utility model are fitted together;

[0026] Figure 6 It is a schematic three-dimensional structure diagram when the upper insulator and the lower insulator of the present utility model are separated.

[0027] In the figure: 1. Upper insulator; 2. Lower insulator; 3. Device cavity; 4. Biaxial motor; 5. Rotating shaft; 6. Helical gear; 7. Threaded rod; 8. Auxiliary sliding rod; 9. Insulating fixing block; 10. Signal terminal; 11. Grounding terminal; 12. Inspection window; 13. Annular card seat; 14. Cable; 15. Limiting slider; 16. Shielding shell; 17. Anti-collision rib; 18. Protective bump. Detailed Embodiment

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1 - 6 , the technical solution of the present utility model: A dual-channel radio frequency connector includes an upper insulator 1 and a lower insulator 2. A device cavity 3 is provided at the left end of the lower insulator 2, and a dual-axis motor 4 is fixedly connected to the horizontal center of the inner bottom surface of the device cavity 3; a rotating shaft 5 is fixedly connected to the shaft end of the dual-axis motor 4, and helical gears 6 are fixedly connected to both ends of the rotating shaft 5; the left inner bottom surface of the device cavity 3 is connected to a threaded rod 7 by a bearing, and the upper end surface of the threaded rod 7 penetrates through the upper end surface of the lower insulator 2; a helical gear 6 is fixedly connected to the lower end surface of the threaded rod 7, and the rotating shaft 5 and the threaded rod 7 are in meshing transmission through the helical gear 6; the threaded rods 7 are symmetrically arranged with respect to the dual-axis motor 4; an auxiliary sliding rod 8 is fixedly connected to the rear end of the upper end surface of the lower insulator 2, and grooves corresponding to the threaded rod 7 and the auxiliary sliding rod 8 are provided on the lower end surface of the upper insulator 1; the upper insulator 1 is threadedly connected to the lower insulator 2 through the threaded rod 7 and the corresponding grooves, which is convenient for ensuring the overall structural stability of the device;

[0030] Grooves are provided on the lower end surface of the upper insulator 1 and the upper end surface of the lower insulator 2, and an insulating fixing block 9 is slidably inserted into the grooves, and a signal terminal 10 and a ground terminal 11 are fixedly connected inside the insulating fixing block 9; both ends of the signal terminal 10 and the ground terminal 11 penetrate through the insulating fixing block 9, which is convenient for guiding the installation of the insulating fixing block 9 into the insulator;

[0031] The ground terminal 11 is located at the horizontal center of the insulating fixing block 9, and the signal terminals 10 are symmetrically arranged with respect to the ground terminal 11, which is convenient for realizing the balanced connection between the signal terminal 10 and the ground terminal 11, thereby improving the signal transmission performance of the radio frequency connector;

[0032] Insertion slots corresponding to the signal terminal 10 and the ground terminal 11 are provided at the left end of the groove of the lower insulator 2; an inspection window 12 is opened on the upper end surface of the upper insulator 1, and the inspection window 12 is located directly above the insertion slot, which is convenient for the operator to directly check the connection state of the signal terminal 10 and the ground terminal 11; in addition, the setting of the inspection window 12 is also helpful for quality control during the production process to ensure that the insertion quality of each radio frequency connector meets the standard requirements;

[0033] A ring-shaped card seat 13 is fixedly connected to the tail end of the signal terminal 10, and a cable 14 is inserted into the ring-shaped card seat 13, which can effectively fix the cable 14 and prevent the cable 14 from falling off due to vibration or pulling during use;

[0034] A limiting slider 15 is fixedly connected to the upper end face of the upper insulator 1, and the limiting slider 15 is symmetrically arranged about the horizontal center of the upper end face of the upper insulator 1; the upper end face of the upper insulator 1 is slidably connected with a shielding shell 16 through the limiting slider 15, and the grounding terminal 11 and the shielding shell 16 are electrically connected, which is convenient to achieve the shielding effect of the RF connector and reduce the influence of electromagnetic interference on signal transmission;

[0035] A slot corresponding to the inspection window 12 is opened on the upper end face of the shielding shell 16, and an anti-collision rib 17 is fixedly connected to the upper end face of the shielding shell 16; protective bumps 18 are fixedly connected to the periphery of the outer end face of the lower insulator 2;

[0036] Working principle: When in use, the insulating fixing block 9 is accurately inserted into the lower insulator 2 through the groove, and then the double-shaft motor 4 is started. The ceiling rotating shaft 5 of the double-shaft motor 4 rotates, and the rotating shaft 5 drives the threaded rod 7 to rotate through the bevel gear 6, so as to fit the upper insulator 1 and the lower insulator 2, thereby realizing the rapid and accurate installation of the insulating fixing block 9;

[0037] After the insulating fixing block 9 is installed, the cable 14 is inserted into the annular clamping seat 13, and then the shielding shell 16 is sleeved outside the insulator through the limiting slider 15, thus completing the rapid installation of the device.

[0038] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual-channel radio frequency connector, comprising an upper insulator (1) and a lower insulator (2), characterized in that: A device cavity (3) is provided at the left end of the lower insulator (2), and a dual-axis motor (4) is fixedly connected to the horizontal center of the inner bottom surface of the device cavity (3); a rotating shaft (5) is fixedly connected to the shaft ends of the dual-axis motor (4), and helical gears (6) are fixedly connected to both ends of the rotating shaft (5); a threaded rod (7) is connected to the left inner bottom surface of the device cavity (3) by a bearing, and the upper end surface of the threaded rod (7) penetrates through the upper end surface of the lower insulator (2); the lower end surface of the threaded rod (7) is fixedly connected to the helical gear (6), and the rotating shaft (5) and the threaded rod (7) are in meshing transmission through the helical gear (6); the threaded rods (7) are symmetrically arranged with respect to the dual-axis motor (4); an auxiliary sliding rod (8) is fixedly connected to the rear end of the upper end surface of the lower insulator (2), and grooves corresponding to the threaded rod (7) and the auxiliary sliding rod (8) are provided on the lower end surface of the upper insulator (1); the upper insulator (1) is threadedly connected to the lower insulator (2) through the threaded rod (7) and the corresponding grooves.

2. The dual-channel radio frequency connector according to claim 1, characterized in that: Grooves are provided on the lower end surface of the upper insulator (1) and the upper end surface of the lower insulator (2), and an insulating fixing block (9) is slidably inserted into the grooves, and a signal terminal (10) and a grounding terminal (11) are fixedly connected inside the insulating fixing block (9); both ends of the signal terminal (10) and the grounding terminal (11) penetrate through the insulating fixing block (9).

3. The dual-channel radio frequency connector according to claim 2, wherein: The grounding terminal (11) is located at the horizontal center of the insulating fixing block (9), and the signal terminals (10) are symmetrically arranged with respect to the grounding terminal (11).

4. The dual-channel RF connector according to claim 3, wherein: Insertion slots corresponding to the signal terminal (10) and the grounding terminal (11) are provided at the left end of the groove of the lower insulator (2); an inspection window (12) is provided on the upper end surface of the upper insulator (1), and the inspection window (12) is located directly above the insertion slot.

5. The dual-channel RF connector according to claim 4, characterized in that: A ring-shaped card seat (13) is fixedly connected to the tail end of the signal terminal (10), and a cable (14) is inserted into the ring-shaped card seat (13).

6. A dual-channel radio frequency connector according to claim 5, characterized in that: Limit sliders (15) are fixedly connected to the upper end surface of the upper insulator (1), and the limit sliders (15) are symmetrically arranged with respect to the horizontal center of the upper end surface of the upper insulator (1); a shielding shell (16) is slidably connected to the upper end surface of the upper insulator (1) through the limit sliders (15), and the grounding terminal (11) is electrically connected to the shielding shell (16).

7. The dual-channel radio frequency connector according to claim 6, wherein: A slot corresponding to the inspection window (12) is provided on the upper end surface of the shielding shell (16), and an anti-collision rib (17) is fixedly connected to the upper end surface of the shielding shell (16); protective bumps (18) are fixedly connected to the periphery of the outer end surface of the lower insulator (2).

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