An antenna power divider junction protection device

Abstract

The utility model relates to wireless communication equipment accessories field especially relates to an antenna power divider joint protection device, including power divider, protection shell and first fixed screw etc., two protection shells are connected through first fixed screw seal, and power divider is located inside two protection shells, and the protection shell is provided with the joint protection cover of power divider and line connection, and the inside of joint protection cover is paved with rubber pad, and the outside of joint protection cover is connected with extension pipe, and the inside of joint protection cover is connected with the top block of sliding, and the side of top block to the center of circle is extruded with cable cooperation, and the side away from the center of circle is connected with connecting rod, and connecting rod is connected in extension pipe inside sliding, and the installation board is connected in extension pipe inside sliding, and reset spring is arranged in extension pipe. Through the cooperation of joint protection cover and rubber pad, the bending area of cable and power divider connection is wrapped with flexible material, realizes the buffer absorption of bending stress, finally reaches the purpose of reducing the damage risk of cable insulation layer and interface due to stress concentration.

Description

Technical Field

[0001] This utility model relates to the field of wireless communication equipment accessories, and in particular to an antenna power divider connector protection device. Background Technology

[0002] An antenna power divider is a key passive device used in wireless communication systems. Its core function is to distribute the input signal to multiple output ports in a specific ratio, or conversely, to combine multiple signals into a single output. With the rapid development of 5G communication, satellite communication, and radar systems, antenna power dividers are widely used in base station antenna arrays, distributed antenna systems, and microwave transmission equipment due to their advantages such as low insertion loss, high isolation, and phase consistency. A typical antenna power divider consists of a metal cavity, an internal microstrip line or coaxial structure, and multiple RF connectors. Its performance directly affects the stability of signal transmission and the quality of system coverage.

[0003] In engineering practice, antenna power dividers need to be connected to antenna units or other devices via RF cables, making the reliability of the connection between the connector and the cable crucial. Current technologies primarily focus on protecting the power divider itself, such as encasing the divider body in metal or plastic shells or covering the connector area with flexible sheaths. However, when cables are connected to the divider connector, due to installation space constraints or wiring requirements, the cables typically need to be bent at a certain angle. Existing protector designs only extend a short sheath at the base of the connector, failing to effectively distribute the compressive stress generated by bending.

[0004] The protection is limited to the power divider itself and is insufficient for dynamic stress protection of the cable interface. The sheath structure does not take into account the mechanical transmission path when the cable is bent, which causes stress to act directly on the vulnerable connection point. In long-term use, the connection between the cable and the connector is prone to poor contact, insulation damage or even conductor breakage due to stress concentration, which in turn leads to signal attenuation, increased reflection or equipment failure. Utility Model Content

[0005] To overcome the drawback of stress concentration at the interface, this utility model provides an antenna power divider connector protection device, which aims to solve the above-mentioned shortcomings.

[0006] An antenna power divider connector protection device includes a power divider, a protective housing, and a first fixing screw. Two protective housings are sealed together by the first fixing screw. The power divider is located inside the two protective housings. Each protective housing has a connector protection cover for the power divider and the cable connection. The inner side of the connector protection cover is lined with a rubber pad. An extension tube is connected to the outer side of the connector protection cover. A top block is slidably connected inside the connector protection cover. The side of the top block facing the center is pressed against the cable, and the side facing away from the center is connected to a connecting rod. The connecting rod is slidably connected inside the extension tube. A mounting plate is slidably connected inside the extension tube. A return spring is provided inside the extension tube. One end of the return spring is connected to the mounting plate, and the other end is connected to the connecting rod.

[0007] Furthermore, the end of the extension tube is threaded with a second fixing screw, and guide blocks are symmetrically connected to the side of the mounting plate. A connecting block is connected to the bottom of the second fixing screw, and the connecting block is rotatably connected to the mounting plate.

[0008] Furthermore, a sealing gasket is connected to the inner ring of the end of the rubber pad away from the protective housing, and the inner ring diameter of the sealing gasket is smaller than the diameter of the power divider interface.

[0009] Furthermore, the bottom protective shell has several hooks connected to its front and rear sides.

[0010] Furthermore, three identification cards are provided on the top surface of the protective casing.

[0011] Furthermore, both of the aforementioned protective shells have several heat dissipation holes.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. By combining the connector protective cover with the rubber pad, the bending area at the connection between the cable and the power divider is wrapped with flexible material, which buffers and absorbs bending stress, ultimately reducing the risk of damage to the cable insulation layer and interface caused by stress concentration.

[0014] 2. Through the elastic clamping structure of the top block and the return spring, the cable is subjected to uniform dynamic extrusion force at the interface. Combined with the limitation of the sliding range of the top block by the extension tube, the stress distribution and connection stability are balanced when the cable is bent, and the purpose of preventing cable loosening or excessive bending from causing failure is achieved. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the installation structure of the hook and protective shell of this utility model.

[0017] Figure 3 This is a cross-sectional view showing the connection relationship between the sealing gasket and the adhesive gasket of this utility model.

[0018] Figure 4 This is an exploded view showing the connection relationship between the connector and the mounting plate of this utility model.

[0019] In the above attached diagram: 1: power divider, 2: protective housing, 3: first fixing screw, 4: connector protective cover, 41: extension tube, 5: rubber pad, 6: top block, 7: connecting rod, 8: return spring, 9: mounting plate, 10: guide block, 11: connecting block, 12: second fixing screw, 13: sealing gasket, 14: hook, 15: identification card, 16: heat dissipation hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: An antenna power divider connector protection device, such as Figures 1-4 As shown, the device includes a power divider 1, a protective housing 2, a first fixing screw 3, a connector protective cover 4, an extension tube 41, a rubber pad 5, a top block 6, a connecting rod 7, a return spring 8, and a mounting plate 9. The two protective housings 2 are sealed together by the first fixing screw 3. The power divider 1 is located inside the two protective housings 2. Each protective housing 2 has a connector protective cover 4 for connecting the power divider 1 to the cable. A rubber pad 5, 2-3mm thick and made of flexible silicone, is laid inside the connector protective cover 4 to ensure proper contact with the cable and the power divider 1. For the interface fit, an extension tube 41 is connected to the outside of the connector protective cover 4, and a top block 6 is slidably connected inside the connector protective cover 4. The side of the top block 6 facing the center is pressed and fitted with the cable. The side of the top block 6 facing the cable is set with an arc-shaped curved surface to match the outer diameter of the cable. A connecting rod 7 is connected to the side away from the center. The connecting rod 7 is slidably connected inside the extension tube 41. A mounting plate 9 is slidably connected inside the extension tube 41. A return spring 8 is set inside the extension tube 41. One end of the return spring 8 is connected to the mounting plate 9, and the other end is connected to the connecting rod 7.

[0022] like Figure 3 and Figure 4 As shown, it also includes a guide block 10, a connecting block 11, and a second fixing screw 12. The end of the extension tube 41 is threadedly connected to the second fixing screw 12. The guide blocks 10 are symmetrically connected to the side of the mounting plate 9. The bottom of the second fixing screw 12 is connected to the connecting block 11, and the connecting block 11 is rotatably connected to the mounting plate 9.

[0023] like Figure 2 and Figure 3 As shown, it also includes a sealing gasket 13. The inner ring of the rubber gasket 5 away from the protective housing 2 is connected to the sealing gasket 13. The inner ring diameter of the sealing gasket 13 is smaller than the diameter of the power divider 1 interface. The inner ring diameter of the sealing gasket 13 is 0.5-1mm smaller than the outer diameter of the cable, forming a moderate interference fit.

[0024] like Figure 1 As shown, it also includes hooks 14, and several hooks 14 are connected to the front and rear sides of the bottom protective shell 2.

[0025] like Figure 1 As shown, it also includes identification cards 15, and three identification cards 15 are provided on the top surface of the top protective shell 2.

[0026] like Figure 1 As shown, both protective shells 2 have several heat dissipation holes 16. The heat dissipation holes 16 are distributed away from the heat-generating core area of ​​the power divider 1, and the hole diameter is set to 3-5mm.

[0027] The installer first aligns the cable connector with the power divider 1 interface, uses tools to tighten to the specified torque to complete the connection and lock it in place. Then, the upper and lower protective shells 2 are aligned with the edges of the power divider 1, and lightly pressed to ensure initial contact. The first fixing screw 3 is then passed through the pre-drilled holes in the protective shells 2 and gradually tightened to ensure even force distribution and a sealed closure. During this process, the top block 6 inside the connector protective cover 4 slides towards the cable, its center-facing side contacting the cable surface and generating moderate pressure. Both the upper and lower sides of the cable connection point with the power divider 1 are subjected to uniform force from the top block 6. As the top block 6 slides, it drives the connecting rod 7 to move along the inner wall of the extension tube 41, simultaneously compressing the return spring 8 inside the extension tube 41, causing it to generate a reverse elastic force. The outward extension section of the cable enters the inner ring of the sealing gasket 13. Because the diameter of the inner ring of the sealing gasket 13 is slightly smaller than the outer diameter of the cable, a moderate interference fit is formed. Simultaneously, the rubber gasket 5 inside the connector protective cover 4 is pressed when the protective shells 2 close, forming a flexible buffer layer that wraps around the connection area between the cable and the power divider 1. The bending stress at the cable interface is dispersed by the deformation of the rubber pad 5, and the full-enclosed structure of the sealing pad 13 restricts excessive bending of the cable, reducing the risk of stress concentration damage to the cable.

[0028] After the protective housing 2 is initially fixed, the installer uses a screwdriver to rotate the second fixing screw 12 at the end of the extension tube 41. The screw is pushed forward along the internal thread of the extension tube 41, and the connecting block 11 connected to its bottom moves downward accordingly, pushing the mounting plate 9 to move horizontally within the extension tube 41. The guide block 10 on the side of the mounting plate 9 cooperates with the guide groove on the inner wall of the extension tube 41 to prevent the mounting plate 9 from rotating and ensure the stability of the horizontal movement. During the movement of the mounting plate 9, the return spring 8 is further compressed. The spring force is transmitted to the top block 6 through the connecting rod 7, which increases the clamping force of the top block 6 on the cable and enhances the connection stability between the cable and the connector protective cover 4.

[0029] The hooks 14 on the front and rear sides of the bottom protective shell 2 can be hung on the pre-set hooks to achieve flexible installation of the device; the three identification cards 15 on the top surface of the top protective shell 2 correspond to the three interfaces of the power divider 1, clearly marking the connected antenna unit number or equipment name, which is convenient for later maintenance identification; the heat dissipation holes 16 on the two protective shells 2 form a convection channel to help dissipate the heat generated by the power divider 1 when it is working, and ensure the normal operation of the equipment.

[0030] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. An antenna power divider connector protection device, characterized in that: The device includes a power divider (1), a protective housing (2), and a first fixing screw (3). The two protective housings (2) are sealed together by the first fixing screw (3). The power divider (1) is located inside the two protective housings (2). The protective housing (2) is provided with a connector protective cover (4) for the power divider (1) to connect to the wire. The inner side of the connector protective cover (4) is covered with a rubber pad (5). An extension tube (41) is connected to the outer side of the connector protective cover (4). A top block (6) is slidably connected inside the connector protective cover (4). The top block (6) is pressed against the cable on the side facing the center, and a connecting rod (7) is connected on the side away from the center. The connecting rod (7) is slidably connected inside the extension tube (41). A mounting plate (9) is slidably connected inside the extension tube (41). A return spring (8) is provided inside the extension tube (41). One end of the return spring (8) is connected to the mounting plate (9), and the other end is connected to the connecting rod (7).

2. The antenna power divider connector protection device according to claim 1, characterized in that: The extension tube (41) is threaded to the end with a second fixing screw (12), and the mounting plate (9) is symmetrically connected to a guide block (10) on its side. The bottom of the second fixing screw (12) is connected to a connecting block (11), and the connecting block (11) is rotatably connected to the mounting plate (9).

3. The antenna power divider connector protection device according to claim 2, characterized in that: The inner ring of the rubber pad (5) away from the protective shell (2) is connected to a sealing gasket (13), and the inner ring diameter of the sealing gasket (13) is smaller than the diameter of the power divider (1) interface.

4. The antenna power divider connector protection device according to claim 1, characterized in that: The protective shell (2) at the bottom has several hooks (14) connected to its front and rear sides.

5. The antenna power divider connector protection device according to claim 1, characterized in that: The top surface of the protective casing (2) is provided with three identification cards (15).

6. The antenna power divider connector protection device according to claim 1, characterized in that: Both of the protective shells (2) have several heat dissipation holes (16).

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