A panel-mounted electromechanical radio frequency coaxial switch

Abstract

This application provides a panel-mounted electromechanical radio frequency coaxial switch, belonging to the technical field of radio frequency coaxial switches. The panel-mounted electromechanical radio frequency coaxial switch includes a rear housing, a panel, and a retaining ring. The outer open end of the rear housing has an external threaded section with a notch. A support ring is fixed inside the panel, and a sealing element is sleeved on the outside of the support ring. A limit ring is provided at one end of the support ring. The sealing element and limit ring on the outside of the support ring are interference-fitted into the external threaded section. The retaining ring has an internal threaded section inside, and the internal threaded section on the inner wall of the retaining ring is screwed into the external threaded section at the end of the rear housing. As the retaining ring gradually engages with the external threaded section, the notch at the external threaded section gradually narrows, allowing the external threaded section to more tightly wrap around the seal. This facilitates quick screwing of the panel and rear housing while also providing a better sealing effect when the seal is tightened.

Description

Technical Field

[0001] This application relates to the field of radio frequency coaxial switch technology, and more specifically, to a panel-mounted electromechanical radio frequency coaxial switch. Background Technology

[0002] An electromechanical RF coaxial switch is a passive device that switches RF signal paths through mechanical contacts. Its core principle relies on an electromagnetic coil driving metal contacts to physically connect or disconnect. The end faceplate of an electromechanical RF coaxial switch is typically installed using multiple sets of bolts screwed into corresponding mounting holes inside the rear housing. This multi-bolt installation method not only affects the speed of panel assembly and disassembly of the RF coaxial switch, but also makes the gasket between the panel and the rear housing susceptible to damage during bolt installation and disassembly, potentially causing localized displacement of the gasket and affecting its sealing performance. Utility Model Content

[0003] To overcome the above shortcomings, this application provides a panel-mounted electromechanical radio frequency coaxial switch, which aims to improve the problem that the installation method of multiple sets of bolts not only affects the panel disassembly and assembly speed of the radio frequency coaxial switch, but also makes the sealing gasket between the panel and the rear housing susceptible to the impact of bolt disassembly and assembly.

[0004] This application provides a panel-mounted electromechanical radio frequency coaxial switch, including a rear housing, a panel, and a clamping ring.

[0005] The outer open end of the rear seat housing is provided with an external thread section, and the external thread section is provided with multiple cut grooves arranged in a triangular structure in a ring array. The panel is equipped with wiring terminals on the outside, a support ring is fixed on the inside of the panel, a sealing element is sleeved on the outside of the support ring, and a limiting ring with a limiting seal is provided at the end of the support ring away from the panel. The sealing element and the limiting ring on the outside of the support ring are inserted into the internal external thread section with an interference fit. The hoop has an internal thread section inside, which is inserted together with the seal and the limiting ring. The hoop is inserted into the outside of the rear seat housing, and the internal thread section on the inner wall of the hoop is screwed into the external thread section at the end of the rear seat housing.

[0006] Preferably, the inner wall of the rear seat housing is provided with a positioning groove, and the end face of the limiting ring is provided with a positioning post that is inserted into the positioning groove.

[0007] Preferably, the seal includes a sealing ring gasket and a metal ring, wherein the metal ring is disposed inside the sealing ring gasket.

[0008] Preferably, the outer ring of the metal ring is provided with an annular convex structure.

[0009] Preferably, the metal ring has an annular cavity layer inside.

[0010] Preferably, the outer ring of the hoop is provided with a plurality of anti-slip protrusions arranged in a ring array.

[0011] Preferably, the outer ring of the hoop is fixedly provided with a sleeve, and the axis of the sleeve extends along the radial position of the hoop.

[0012] Beneficial Effects: This application provides a panel-mounted electromechanical radio frequency coaxial switch. A support ring and a seal at the end of the panel are inserted into the rear housing, while a retaining ring is positioned a certain distance outside the external thread section. The retaining ring is then rotated and screwed into place outside the external thread section. As the retaining ring gradually engages with the external thread section, the notch at the external thread section gradually narrows, allowing the external thread section to more tightly wrap around the seal. This facilitates quick screwing of the panel and rear housing while also providing a better sealing effect as the seal is tightened. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a panel-mounted electromechanical radio frequency coaxial switch structure provided in the embodiments of this application; Figure 2 A schematic diagram of the cross-sectional structure of the rear seat shell and panel provided for an embodiment of this application; Figure 3 Provided for the implementation of this application Figure 2 A magnified schematic diagram of part A in the middle section; Figure 4 A schematic diagram of the rear seat shell structure provided for an embodiment of this application; Figure 5 A schematic diagram of the panel structure provided for an embodiment of this application; Figure 6 A schematic diagram of the hoop structure provided for an embodiment of this application.

[0015] In the diagram: 1. Rear seat housing; 11. External thread section; 12. Cutout groove; 13. Positioning groove; 2. Panel; 21. Support ring; 22. Seal; 221. Sealing ring gasket; 222. Metal ring; 223. Cavity layer; 23. Limiting ring; 24. Positioning post; 3. Hoop ring; 31. Internal thread section; 32. Anti-slip protrusion; 33. Sleeve; 4. Terminal block. Detailed Implementation

[0016] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0017] Please see Figures 1-6 This application provides a panel-mounted electromechanical radio frequency coaxial switch, including a rear housing 1, a panel 2, and a clamping ring 3.

[0018] The outer open end of the rear seat housing 1 is provided with an external threaded section 11, and the external threaded section 11 is provided with multiple triangular cut grooves 12 arranged in a ring array. A terminal block 4 is installed on the outside of the panel 2, and an integrally formed support ring 21 is fixed on the inside of the panel 2. A sealing element 22 is sleeved on the outside of the support ring 21. A limiting ring 23 is provided at the end of the support ring 21 away from the panel 2, and the limiting ring 23 is fixed to the sealing element 22 by welding. The sealing element 22 and the limiting ring 23 on the outside of the support ring 21 are inserted into the external threaded section 11 with an interference fit. The hoop 3 is provided with an internal threaded section 31. The internal threaded section 31 is inserted together with the sealing element 22 and the limiting ring 23, and the hoop 3 is inserted into the outside of the rear seat housing 1. The internal threaded section 31 on the inner wall of the hoop 3 is screwed into the external threaded section 11 at the end of the rear seat housing 1.

[0019] When installing the panel 2 and the rear seat housing 1, the clamping ring 3 is pre-fitted around the seal 22 outside the support ring 21, with a certain space between the seal 22 and the clamping ring 3. The support ring 21, seal 22, and limiting ring 23 at the end of the panel 2 are inserted into the external thread section 11 at the end of the rear seat housing 1, while the clamping ring 3 is simultaneously engaged at a certain distance outside the external thread section 11. Then, the clamping ring 3 is rotated, causing the internal thread section 31 inside the clamping ring 3 to screw into the external thread section 11. As the clamping ring 3 rotates, it is gradually engaged more and more outside the external thread section 11. As the clamping ring 3 gradually engages outside the external thread section 11, the notch 12 at the external thread section 11 gradually shrinks, allowing the external thread section 11 to more tightly wrap around the seal 22. This rapid screwing connection of the panel 2 and the rear seat housing 1 also ensures a better sealing effect for the seal 22 while it is tightened. When disassembly is required, simply loosen the hoop 3 and pull out the panel 2 together with the support ring 21, the seal 22, the limit ring 23, and the hoop 3.

[0020] In the above specific embodiment, a positioning groove 13 is provided on the inner wall of the rear seat housing 1, and a positioning post 24 is provided on the end face of the limiting ring 23 to engage with the positioning groove 13. The positioning groove 13 and the positioning post 24 provide better positioning when the panel 2 is installed with the rear seat housing 1, and the rear seat housing 1 is less prone to torsional displacement when the hoop 3 is rotated.

[0021] In a specific configuration, the seal 22 includes a sealing ring gasket 221 and a metal ring 222, with the metal ring 222 disposed inside the sealing ring gasket 221. The metal ring 222 has better toughness to support the external sealing ring gasket 221, making the inner wall of the external thread section 11 fit more tightly with the sealing ring gasket 221 to further improve the sealing effect.

[0022] Furthermore, the outer ring of the metal ring 222 has an annular convex structure. An annular cavity layer 223 is provided inside the metal ring 222. The sealing ring gaskets 221 on both sides of the annular convex structure have better elasticity than the sealing ring gasket 221 in the middle area, forming a double sealing effect. The cavity layer 223 further enhances the elasticity of the metal ring 222.

[0023] Specifically, the outer ring of the hoop 3 is provided with multiple anti-slip protrusions 32 arranged in a ring array. The anti-slip protrusions 32 increase the friction when rotating the hoop 3. A sleeve 33 is fixedly provided on the outer ring of the hoop 3, and the axis of the sleeve 33 extends radially along the hoop 3. A rod-shaped tool can be inserted into the sleeve 33 to increase the rotation radius and assist in rotating the hoop 3.

[0024] The working principle of this panel-mounted electromechanical RF coaxial switch is as follows: When installing the panel 2 and the rear housing 1, the clamping ring 3 is pre-fitted around the seal 22 outside the support ring 21, with a certain space between the seal 22 and the clamping ring 3. The support ring 21, seal 22, and limiting ring 23 at the end of the panel 2 are inserted into the external thread section 11 at the end of the rear housing 1, while the clamping ring 3 is simultaneously engaged at a certain distance outside the external thread section 11. Then, the clamping ring 3 is rotated, causing the internal thread section 31 inside the clamping ring 3 to screw into the external thread section 11. As the clamping ring 3 rotates, it gradually engages more and more with the external thread section 11. During the process of the clamping ring 3 gradually engaging with the external thread section 11, the notch 12 at the external thread section 11 gradually shrinks, allowing the external thread section 11 to more tightly wrap around the seal 22. This rapid screwing connection of the panel 2 and the rear housing 1 also ensures a better sealing effect for the seal 22 while it is tightened.

[0025] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application. It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

Claims

1. A panel-mounted electromechanical radio frequency coaxial switch, characterized in that, include The rear seat housing (1) has an external thread section (11) at its outer open end, and the external thread section (11) has multiple triangular cut grooves (12) arranged in a ring array. Panel (2), with terminals (4) installed on the outside of the panel (2), a support ring (21) fixed on the inside of the panel (2), a sealing element (22) sleeved on the outside of the support ring (21), a limiting ring (23) of the limiting sealing element (22) is provided at the end of the support ring (21) away from the panel (2), and the sealing element (22) and the limiting ring (23) on the outside of the support ring (21) are inserted into the internal of the external thread section (11) with an interference fit; The hoop (3) has an internal thread section (31) inside. The internal thread section (31) is inserted together with the seal (22) and the limiting ring (23). The hoop (3) is inserted into the outside of the rear seat housing (1). The internal thread section (31) on the inner wall of the hoop (3) is screwed into the external thread section (11) at the end of the rear seat housing (1).

2. A panel-mounted electromechanical radio frequency coaxial switch according to claim 1, characterized in that, The inner wall of the rear seat housing (1) is provided with a positioning groove (13), and the end face of the limiting ring (23) is provided with a positioning post (24) that is inserted into the positioning groove (13).

3. A panel-mounted electromechanical radio frequency coaxial switch according to claim 1, characterized in that, The seal (22) includes a sealing ring gasket (221) and a metal ring (222), the metal ring (222) being disposed inside the sealing ring gasket (221).

4. A panel-mounted electromechanical radio frequency coaxial switch according to claim 3, characterized in that, The outer ring of the metal ring (222) is a ring-shaped convex structure.

5. A panel-mounted electromechanical radio frequency coaxial switch according to claim 4, characterized in that, The metal ring (222) has an annular cavity layer (223) inside.

6. A panel-mounted electromechanical radio frequency coaxial switch according to claim 1, characterized in that, The outer ring of the hoop (3) is provided with a plurality of anti-slip protrusions (32) arranged in a ring array.

7. A panel-mounted electromechanical radio frequency coaxial switch according to claim 1, characterized in that, The outer ring of the hoop (3) is fixedly provided with a sleeve (33), and the axis of the sleeve (33) extends along the radial position of the hoop (3).

Images