Radio frequency coaxial cable connector device

Abstract

The utility model provides a radio frequency coaxial cable connector device, which comprises a fixed plate, a connector, a coaxial cable, a joint protective cap and a cable protective sleeve, the connector is fixed on one side of the fixed plate, one end of the coaxial cable is welded at the tail end of the connector, and a welding area is positioned on the other side of the fixed plate. The connector protective cap sleeves the connecting end of the connector, the cable protective sleeve sleeves the outer side of the coaxial cable and is fixedly connected to the fixing plate, the inner diameter of the cable protective sleeve is gradually reduced in the direction from the connector to the coaxial cable, and the welding area is located in the cable protective sleeve. According to the scheme, the cable protection sleeve can cover a larger welding area, is not influenced by the bending radius, can be compatible with the installation of various types of coaxial cables, is simple in structure, is few in material types, is reliable in assembly, can improve the protection effect, reduces the defects caused by the external influence of the welding quality, and is lower in later maintenance cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and in particular relates to a radio frequency coaxial cable connector device. Background Art

[0002] Antenna devices often use radio frequency coaxial cables, which are usually connected to other devices using connectors. The radio frequency coaxial cables and connectors are usually connected by welding.

[0003] When using the RF coaxial cable and the connector, the connector end and the welding area between the connector and the RF coaxial cable need to be protected.

[0004] In the related technologies, one is to use a single plastic part (protective cap) to protect the connector end to prevent the inner conductor from being damaged by external force collision and causing damage to the component function, but this form has a single function and cannot meet the high-level protection requirements; the second is to use a heat shrink tubing to prevent the connector and cable welding area from being affected by external factors and causing welding quality defects. This form of protection is not very effective, the connector cable cannot be bent with a small radius, the probability of component replacement is high, and the maintenance cost is high. Utility Model Content

[0005] The technical purpose of the utility model is to provide a radio frequency coaxial cable connector device, aiming to solve at least one of the above problems.

[0006] To solve the above technical problems, the utility model is implemented as follows: a radio frequency coaxial cable connector device is provided, comprising a fixing plate, a connector, a coaxial cable, a connector cap and a cable protective sleeve, wherein the connector is fixed to one side of the fixing plate, one end of the coaxial cable is welded to the end of the connector and the welding area is located on the other side of the fixing plate, the connector cap is sleeved on the connecting end of the connector, the cable protective sleeve is sleeved on the outside of the coaxial cable and fixedly connected to the fixing plate, the inner diameter of the cable protective sleeve gradually decreases from the connector toward the coaxial cable, and the welding area is located inside the cable protective sleeve.

[0007] Furthermore, the cable protective sleeve includes a sleeve body sleeved on the outside of the coaxial cable and a connecting plate extending outward from an edge of one end of the sleeve body, and the connecting plate is fixed to one side of the fixing plate.

[0008] Furthermore, at least two reinforcing ribs connected to the connecting plate are arranged at intervals on the circumference of the sleeve.

[0009] Furthermore, at least three threaded mounting holes arranged in a ring are provided at one end of the connector close to the fixing plate, connecting holes corresponding one to one with the threaded mounting holes are provided on the connecting plate, and through holes corresponding one to one with the threaded mounting holes are provided on the fixing plate, and the RF coaxial cable connector device also includes screws that pass through the corresponding connecting holes and through holes in sequence and then are connected to the corresponding threaded mounting holes.

[0010] Furthermore, a welding end is provided at one end of the connector close to the fixing plate, the welding end is connected to the coaxial cable by welding, the fixing plate is provided with a clearance hole corresponding to the position of the welding end, and the welding end passes through the clearance hole.

[0011] Furthermore, the fixing plate is also provided with a water leakage hole connected with the clearance hole, and the water leakage hole extends to the outside of the outer peripheral surface of the connector.

[0012] Furthermore, at least two spaced limiting surfaces are provided on the outer side of the connector.

[0013] Furthermore, the sleeve body is made of elastic material, and the inner diameter of the sleeve body decreases in a step-like manner from the fixing plate toward the coaxial cable.

[0014] Furthermore, the joint protective cap is provided with an internal thread, the outer side of the connector is provided with an external thread, and the joint protective cap and the connector are connected by threads.

[0015] Furthermore, the RF coaxial cable connector device also includes a waterproof gasket embedded in the connector cap. When the connector cap is connected to the connector, the waterproof gasket is clamped between the end face of the connector and the fitting surface of the connector cap.

[0016] Compared with the prior art, the radio frequency coaxial cable connector device in the utility model has the following beneficial effects:

[0017] In the present solution, the connector cap is sleeved on the connecting end of the connector, the cable protective sleeve is sleeved on the outside of the coaxial cable and fixedly connected to the fixing plate, the inner diameter of the cable protective sleeve gradually decreases from the connector toward the coaxial cable, and the welding area is located inside the cable protective sleeve. This can cover a larger welding area and is not affected by the bending radius. In addition, it is compatible with the installation of various types of coaxial cables, has a simple structure, a small number of material types, and reliable assembly. It can improve the protective effect, reduce defects in welding quality caused by external influences, and have lower subsequent maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the radio frequency coaxial cable connector device in the embodiment of the utility model from a first viewing angle;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the radio frequency coaxial cable connector device in the embodiment of the utility model from a second viewing angle;

[0020] Figure 3 It is a schematic diagram of the three-dimensional exploded structure of the radio frequency coaxial cable connector device in the embodiment of the utility model.

[0021] In the accompanying drawings, the various reference numerals represent: 1. fixing plate; 11. clearance hole; 12. leakage hole; 2. connector; 3. coaxial cable; 4. connector cap; 5. cable protective sleeve; 51. sleeve body; 52. connecting plate; 6. waterproof gasket. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] In this embodiment, combined with Figure 1-3, provides a radio frequency coaxial cable connector device, including a fixing plate 1, a connector 2, a coaxial cable 3, a connector cap 4 and a cable protective sleeve 5, the connector 2 is fixed to one side of the fixing plate 1, one end of the coaxial cable 3 is welded to the end of the connector 2 and the welding area is located on the other side of the fixing plate 1, the connector cap 4 is sleeved on the connecting end of the connector 2, the cable protective sleeve 5 is sleeved on the outside of the coaxial cable 3 and fixedly connected to the fixing plate 1, the inner diameter of the cable protective sleeve 5 gradually decreases from the connector 2 toward the coaxial cable 3, and the welding area is located inside the cable protective sleeve 5.

[0026] In the present solution, the connector cap 4 is sleeved on the connecting end of the connector 2, the cable protective sleeve 5 is sleeved on the outside of the coaxial cable 3 and fixedly connected to the fixing plate 1, the inner diameter of the cable protective sleeve 5 gradually decreases from the connector 2 toward the coaxial cable 3, and the welding area is located inside the cable protective sleeve 5. This can cover a larger welding area and is not affected by the bending radius. In addition, it can be compatible with the installation of various types of coaxial cables 3, has a simple structure, a small number of material types, and reliable assembly. It can improve the protective effect, reduce defects caused by external influences on welding quality, and have lower later maintenance costs.

[0027] Furthermore, the cable protective sleeve 5 includes a sleeve body 51 sleeved on the outside of the coaxial cable 3 and a connecting plate 52 extending outward from the edge of one end of the sleeve body 51, and the connecting plate 52 is fixed to one side of the fixing plate 1. Specifically, in the present embodiment, the connecting plate 52 is a roughly square plate, the corner position of which is in an arc shape, and the edge position of which is in a concave curved surface shape, so that the material area can be reduced while improving the stability of the cable protective sleeve 5. In some embodiments, the connecting plate 52 can also be a circular plate, a pentagonal plate, a hexagonal plate, etc.

[0028] Furthermore, at least two reinforcing ribs connected to the connecting plate 52 are arranged at intervals on the circumference of the sleeve 51. Specifically, in the present embodiment, four reinforcing ribs are arranged at intervals on the circumference of the sleeve 51, and the positions of the four reinforcing ribs correspond to the middle of the side of the connecting plate 52, respectively. In this way, the reinforcing ribs can improve the connection strength between the connecting plate 52 and the sleeve 51, making the sleeve 51 more stable, and reducing the influence of the bending radius on the coaxial cable 3 inside the sleeve 51. In some embodiments, the reinforcing ribs can be set to three, five, six, seven, etc., and can be adaptively set according to actual conditions, and the positions can also be adjusted accordingly.

[0029] Furthermore, at least three threaded mounting holes arranged in a ring are provided at one end of the connector 2 close to the fixing plate 1, connecting holes corresponding to the threaded mounting holes are provided on the connecting plate 52, and through holes corresponding to the threaded mounting holes are provided on the fixing plate 1, and the RF coaxial cable 3 connector 2 device also includes screws that pass through the corresponding connecting holes and through holes in sequence and are connected to the corresponding threaded mounting holes. Specifically, in the present embodiment, a connecting hole is provided at each of the four corners of the connecting plate 52, and the connecting plate 52 protrudes around the connecting hole on one side close to the fixing plate 1, and a washer is provided between the screw and the connecting plate 52, so that the connector 2, the fixing plate 1 and the cable protective sleeve 5 can be fixed more tightly and stably. In some embodiments, the number of threaded mounting holes, connecting holes, through holes and screws can be set according to actual conditions, for example, they are all set to three, five, six, etc.

[0030] Furthermore, the connector 2 is provided with a welding end at one end close to the fixing plate 1, and the welding end is connected to the coaxial cable 3 by welding. The fixing plate 1 is provided with a clearance hole 11 corresponding to the position of the welding end, and the welding end passes through the clearance hole 11. Among them, each threaded mounting hole is arranged at intervals around the clearance hole 11.

[0031] Furthermore, the fixing plate 1 is also provided with a water leakage hole 12 connected with the clearance hole 11, and the water leakage hole 12 extends to the outer peripheral surface of the connector 2. In this way, when water drops onto the fixing plate 1, it can flow away through the water leakage hole 12, thereby ensuring the reliability of the connector 2.

[0032] Furthermore, at least two spaced limiting surfaces are provided on the outer side of the connector 2. Specifically, the peripheral surface of the connector 2 is provided with four equally spaced limiting surfaces, which are planes, so the connector 2 can be fixed by a wrench or the like, which is convenient for installation.

[0033] Furthermore, the sleeve 51 is made of elastic material, and the inner diameter of the sleeve 51 decreases in a stepwise manner from the fixing plate 1 toward the coaxial cable 3. In this way, different types of cables can be adapted, and the versatility is stronger. The length of the sleeve 51 covers a certain distance from the end face of the fixing plate 1 toward the coaxial cable 3, and the welding protection area is larger, which improves the protection effect and reduces the probability of replacing the components of the connector 2, thereby controlling the maintenance cost of the finished product.

[0034] Furthermore, the connector cap 4 is provided with an internal thread, and the outer side of the connector 2 is provided with an external thread, and the connector cap 4 and the connector 2 are connected by threads. The RF coaxial cable 3 connector 2 device also includes a waterproof gasket 6 embedded in the connector cap 4. When the connector cap 4 is connected to the connector 2, the waterproof gasket 6 is clamped between the end face of the connector 2 and the fitting surface of the connector cap 4. Specifically, the waterproof gasket 6 can be a rubber gasket or a silicone gasket. The connector cap 4 is connected to the connector 2 by threading, which is convenient and quick. In addition, the waterproof gasket 6 is clamped by the end face of the connector 2 and the fitting surface on the connector cap 4 that is opposite to the end face of the connector 2. On the one hand, it can prevent the internal conductor of the connector 2 from being damaged by external force collision, and on the other hand, it can prevent external moisture from entering the connector 2, which has higher reliability and can meet high-level protection requirements.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A radio frequency coaxial cable connector device, characterized in that: It includes a fixing plate, a connector, a coaxial cable, a connector cap and a cable protective sleeve, wherein the connector is fixed to one side of the fixing plate, one end of the coaxial cable is welded to the end of the connector and the welding area is located on the other side of the fixing plate, the connector cap is sleeved on the connecting end of the connector, the cable protective sleeve is sleeved on the outside of the coaxial cable and fixedly connected to the fixing plate, the inner diameter of the cable protective sleeve gradually decreases from the connector toward the coaxial cable, and the welding area is located inside the cable protective sleeve.

2. The radio frequency coaxial cable connector device according to claim 1, characterized in that: The cable protective sleeve comprises a sleeve body sleeved on the outside of the coaxial cable and a connecting plate extending outward from the edge of one end of the sleeve body, and the connecting plate is fixed on one side of the fixing plate.

3. The radio frequency coaxial cable connector device according to claim 2, characterized in that: At least two reinforcing ribs connected to the connecting plate are arranged at intervals on the circumference of the sleeve.

4. The radio frequency coaxial cable connector device according to claim 2, characterized in that: The connector is provided with at least three threaded mounting holes arranged in a ring at one end close to the fixing plate, the connecting plate is provided with connecting holes corresponding one to one with the threaded mounting holes, the fixing plate is provided with through holes corresponding one to one with the threaded mounting holes, and the RF coaxial cable connector device also includes screws which pass through the corresponding connecting holes and through holes in sequence and are connected to the corresponding threaded mounting holes.

5. The radio frequency coaxial cable connector device according to claim 4, characterized in that: A welding end is provided at one end of the connector close to the fixing plate, and the welding end is connected to the coaxial cable by welding. The fixing plate is provided with a clearance hole corresponding to the position of the welding end, and the welding end passes through the clearance hole.

6. The radio frequency coaxial cable connector device according to claim 5, characterized in that: The fixing plate is further provided with a water leakage hole connected with the clearance hole, and the water leakage hole extends to the outside of the outer peripheral surface of the connector.

7. The radio frequency coaxial cable connector device according to claim 4, characterized in that: At least two spaced limiting surfaces are arranged on the outer side of the connector.

8. The radio frequency coaxial cable connector device according to claim 2, characterized in that: The sleeve body is made of elastic material, and the inner diameter of the sleeve body decreases in a step-like manner from the fixing plate toward the coaxial cable.

9. The radio frequency coaxial cable connector device according to any one of claims 1 to 8, characterized in that: The joint protective cap is provided with an internal thread, the outer side of the connector is provided with an external thread, and the joint protective cap and the connector are connected by threads.

10. The radio frequency coaxial cable connector device according to claim 9, characterized in that: The radio frequency coaxial cable connector device also includes a waterproof gasket embedded in the connector protective cap. When the connector protective cap is connected to the connector, the waterproof gasket is clamped between the end face of the connector and the fitting surface of the connector protective cap.

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