Shielding and sealing structure of radio frequency connector

Abstract

The utility model relates to the technical field of electronic equipment, and particularly discloses a radio frequency connector shielding and sealing structure which comprises a shielding box and a sealing plate, the rear end of the shielding box is provided with a plurality of input through holes, the sealing plate is convex, the side wall of the sealing plate is provided with a plurality of wire holes corresponding to the input through holes, and the wire holes are communicated with the shielding box. A rubber pad and a rubber frame are fixedly installed on the outer walls of the front side and the rear side of the inner end of the sealing plate respectively. The sealing plate is fixed to a port of the shielding box through a second fixing bolt. A sealing plate at one end of a shielding box is opened, a connector is installed at the inner end of the shielding box, rubber sleeves are installed in an input through hole and a wire hole, connecting wires at the two ends penetrate through the rubber sleeves in the input through hole and the wire hole respectively and then are connected with the connector, and the connecting wires make close contact with the inner walls of the rubber sleeves. The connecting line and the input through hole or the line hole are sealed, and then the sealing plate is fixed at the port of the shielding box, thereby completing shielding and sealing of the connector.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, in particular to a radio frequency connector shielding and sealing structure. Background Art

[0002] RF coaxial connectors are generally considered to be components attached to cables or installed on instruments, serving as electrical connections or disconnections between transmission lines. They are mechatronic products. Simply put, they primarily serve as a bridge. RF coaxial connectors (hereafter referred to as RF connectors) are generally considered to be components attached to cables or installed on instruments, serving as electrical connections or disconnections between transmission lines. They are mechatronic products. Simply put, they primarily serve as a bridge. Compared to other electronic components, RF connectors have a relatively recent history.

[0003] Chinese patent CN 212725823 U discloses a shielding box body based on an RF connector, comprising a shielding box, a metal mesh membrane fixedly connected at the center of the interior of the shielding box, the metal mesh membrane dividing the interior of the shielding box into an upper chamber and a lower chamber, a metal partition fixedly connected to the interior of the lower chamber, the metal partition dividing the lower chamber into multiple accommodating areas, an input through-hole extending through one side of the shielding box, a power plug provided on the other side of the shielding box, a mounting base fixedly connected to the side wall of the shielding box near the power plug, a male contact provided at the bottom center of the mounting base, an RF connector provided on the side of the mounting base away from the power plug, and a threaded joint provided on the end of the RF connector near the mounting base. The utility model improves the isolation between multiple channel RF signals by providing multiple sets of metal partitions within the shielding box, thereby improving the performance of the entire RF module.

[0004] However, in the above technical solution, an input through hole is provided at one end of the shielding box, and the other end is open, so the connector at the inner end of the shielding box cannot be sealed. Utility Model Content

[0005] The purpose of the present utility model is to provide a shielding and sealing structure of a radio frequency connector to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a radio frequency connector shielding and sealing structure, comprising: a shielding box and a sealing plate, wherein the rear end of the shielding box is provided with a plurality of input through-holes, the sealing plate is convex, and the side wall of the sealing plate is provided with a plurality of wire holes corresponding to the input through-holes, a rubber pad and a rubber frame are fixedly mounted on the outer walls of the front and rear sides of the inner end of the sealing plate, respectively, and the sealing plate is fixed to the port of the shielding box by fixing bolts;

[0007] The input through hole and the wire hole are both inserted with rubber sleeves, which are fixed to the outer wall of the shielding box or the sealing plate through a pressure ring and a fixing bolt.

[0008] Preferably, a sealing groove is provided on the inner wall of the opening of the shielding box, and the sealing groove is in a mouth shape.

[0009] Preferably, the inner end of the sealing plate is inserted into the inner end of the shielding box, the rubber frame is inserted into the sealing groove by extruding itself, and the rubber pad contacts the outer end of the shielding box.

[0010] Preferably, the four ends of the sealing plate are each provided with a through hole 2, the four sides of the open end of the shielding box are each provided with a threaded hole 2, and one end of the fixing bolt 2 passes through the through hole 2 and is threadedly connected to the inner wall of the threaded hole 2.

[0011] Preferably, the outer ends of the input through hole and the wire hole are each provided with a plurality of threaded holes.

[0012] Preferably, an extension ring is provided at the outer end of the rubber sleeve.

[0013] Preferably, the diameter of the pressure ring is larger than that of the extension ring and is located at the outer end of the extension ring. Several through holes are opened on the side wall of the pressure ring, and one end of the fixing bolt passes through the through hole and is threadedly connected to the inner wall of the threaded hole.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By opening the sealing plate at one end of the shielding box, then installing the connector at the inner end of the shielding box, and then installing the rubber sleeve in the input through-hole and the wire hole, the connecting wires at both ends pass through the rubber sleeves in the input through-hole and the wire hole respectively and are connected to the connector. The connecting wires and the inner wall of the rubber sleeve are in close contact, and the connection between the connecting wire and the input through-hole or the wire hole is sealed. Then the sealing plate is fixed at the port of the shielding box to complete the shielding and sealing of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the sealing plate of the utility model being opened;

[0017] Figure 2 This is a schematic diagram of the back side of the structure of the utility model;

[0018] Figure 3 This is a front view of the overall structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the inner end structure of the sealing plate of the utility model.

[0020] In the figure: 1. Shielding box; 2. Input through hole; 3. Threaded hole 1; 4. Rubber sleeve; 5. Pressure ring; 6. Through hole 1; 7. Fixing bolt 1; 8. Threaded hole 2; 9. Sealing groove; 10. Sealing plate; 11. Wire hole; 12. Rubber pad; 13. Rubber frame; 14. Through hole 2; 15. Fixing bolt 2. DETAILED DESCRIPTION

[0021] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 The utility model provides a technical solution: a radio frequency connector shielding and sealing structure, comprising: a shielding box 1 and a sealing plate 10, a plurality of input through-holes 2 are provided at the rear end of the shielding box 1, the sealing plate 10 is convex, and a plurality of wire holes 11 corresponding to the input through-holes 2 are provided on the side wall of the sealing plate 10, a rubber pad 12 and a rubber frame 13 are fixedly installed on the outer walls of the front and rear sides of the inner end of the sealing plate 10, respectively, the size of the rubber frame 13 is smaller than the size of the rubber pad 12, a sealing groove 9 is provided on the inner wall of the opening of the shielding box 1, the sealing groove 9 is mouth-shaped, and the size of the sealing groove 9 is slightly larger than the size of the rubber pad 12, when the inner end of the sealing plate 10 is inserted into the inner end of the shielding box 1, the rubber frame 13 is inserted into the sealing groove 9 by squeezing itself, the rubber pad 12 contacts the outer port of the shielding box 1, and the open end of the shielding box 1 is sealed.

[0023] The four ends of the sealing plate 10 are each provided with a through hole 2 14, and the four sides of the open end of the shielding box 1 are each provided with a threaded hole 2 8. One end of the fixing bolt 2 15 passes through the through hole 2 14 and is threadedly connected to the inner wall of the threaded hole 2 8. The sealing plate 10 is fixed to the port of the shielding box 1 by the fixing bolt 2 15, so that the rubber pad 12 is in close contact with the port of the shielding box 1 to increase the sealing performance.

[0024] A rubber sleeve 4 is inserted into the input through hole 2 and the wire hole 11, and an extension ring is provided at the outer end of the rubber sleeve 4. When the rubber sleeve 4 is inserted into the inner end of the input through hole 2 or the wire hole 11, the extension ring is located at the outer end of the input through hole 2 or the wire hole 11. Several threaded holes 3 are provided at the outer ends of the input through hole 2 and the wire hole 11. The threaded holes 3 are located on the outside of the extension ring. The diameter of the pressure ring 5 is larger than the diameter of the extension ring. The inner diameter of the pressure ring 5 is larger than the inner diameter of the extension ring and is located at the outer end of the extension ring. Several through holes 6 are provided on the side wall of the pressure ring 5. One end of the fixing bolt 7 passes through the through hole 6 and is threadedly connected to the inner wall of the threaded hole 3. The rubber sleeve 4 is fixed to the outer wall of the shielding box 1 or the sealing plate 10 through the pressure ring 5 and the fixing bolt 7.

[0025] The connector is installed at the inner end of the shielding box 1, and the connecting wires at both ends pass through the rubber sleeve 4 in the input through-hole 2 and the wire hole 11 respectively and are connected to the connector. The connecting wire and the inner wall of the rubber sleeve 4 are in close contact, and the connection wire and the input through-hole 2 or the wire hole 11 are sealed. The sealing plate 10 is fixed at the port of the shielding box 1 to complete the shielding and sealing of the connector.

[0026] During actual use, open the sealing plate 10 at one end of the shielding box 1, then install the connector at the inner end of the shielding box 1, and then install the rubber sleeve 4 in the input through-hole 2 and the wire hole 11. The connecting wires at both ends pass through the rubber sleeve 4 in the input through-hole 2 and the wire hole 11 respectively and are connected to the connector. The connecting wire and the inner wall of the rubber sleeve 4 are in close contact, and the connection between the connecting wire and the input through-hole 2 or the wire hole 11 is sealed. Then the sealing plate 10 is fixed at the port of the shielding box 1 to complete the shielding and sealing of the connector.

[0027] Although the embodiments of the present invention 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 invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A radio frequency connector shielding and sealing structure, comprising: A shielding box (1) and a sealing plate (10), wherein the rear end of the shielding box (1) is provided with a plurality of input through holes (2), characterized in that: the sealing plate (10) is convex, a plurality of wire holes (11) corresponding to the input through holes (2) are provided on the side wall of the sealing plate (10), a rubber pad (12) and a rubber frame (13) are fixedly mounted on the outer walls of the front and rear sides of the inner end of the sealing plate (10), and the sealing plate (10) is fixed to the port of the shielding box (1) by fixing bolts (15); The input through hole (2) and the wire hole (11) are both inserted with a rubber sleeve (4), and the rubber sleeve (4) is fixed to the outer wall of the shielding box (1) or the sealing plate (10) through a pressure ring (5) and a fixing bolt (7).

2. The radio frequency connector shielding and sealing structure according to claim 1, wherein: A sealing groove (9) is provided on the inner wall of the opening of the shielding box (1), and the sealing groove (9) is in a mouth shape.

3. The radio frequency connector shielding and sealing structure according to claim 2, wherein: The inner end of the sealing plate (10) is inserted into the inner end of the shielding box (1), the rubber frame (13) is inserted into the sealing groove (9) by squeezing itself, and the rubber pad (12) is in contact with the outer end of the shielding box (1).

4. The radio frequency connector shielding and sealing structure according to claim 3, wherein: The four ends of the sealing plate (10) are each provided with a through hole (14), the four sides of the open end of the shielding box (1) are each provided with a threaded hole (8), and one end of the fixing bolt (15) passes through the through hole (14) and is threadedly connected to the inner wall of the threaded hole (8).

5. The radio frequency connector shielding and sealing structure according to claim 1, wherein: The outer ends of the input through hole (2) and the wire hole (11) are both provided with a plurality of threaded holes (3).

6. The radio frequency connector shielding and sealing structure according to claim 1, wherein: The outer end of the rubber sleeve (4) is provided with an extension ring.

7. The radio frequency connector shielding and sealing structure according to claim 1, wherein: The diameter of the pressure ring (5) is larger than that of the extension ring and is located at the outer end of the extension ring. A plurality of through holes (6) are provided on the side wall of the pressure ring (5). One end of a fixing bolt (7) passes through the through hole (6) and is threadedly connected to the inner wall of the threaded hole (3).

Images