CN207149797U - Coaxial cable connection component - Google Patents

Abstract

The utility model belongs to the technical field of power cables, in particular to a coaxial cable connection assembly, which includes a shell, a connecting column and an insulating block are arranged inside the shell, a groove is arranged on the right end surface of the insulating block, and a cone is arranged on the right end surface of the connecting column. There are four shaped jacks, four threaded holes are provided on the shell, and the screw rods are threaded in the four threaded holes, and the screw rods extend into an arc-shaped pressure plate at one end of the shell. By setting a groove at the right end of the insulating block and matching with the tapered socket on the connecting column, it provides a guiding function for the smooth insertion of the core wire conductor, which solves the problem of misalignment in the prior art. In addition, the utility model is suitable for different external diameter coaxial cable or core wire conductor.

Description

coaxial cable connection assembly

technical field

The utility model belongs to the technical field of power cables, in particular to a coaxial cable connection assembly.

Background technique

As a power and signal transmission tool, the coaxial cable is equipped with a core wire conductor in the center, and the outer circumference of the core wire conductor is covered with an insulating layer, a shielding layer and a rubber protective layer from the inside to the outside, and is widely used in wired transmission network systems. , to transmit information such as TV images, sounds, data, symbols, etc. It is also used in other impedance-matched wired transmission networks with similar purposes, and the transmission effect is good. In the process of connecting the coaxial cable to the communication equipment, the connecting component can be used to connect the coaxial cable with other coaxial cables, communication settings or communication card boards. Composition, the inner shell passes through the hexagonal head and the waterproof ring, and presses into the shell to form the connector. When connecting the coaxial cable, the cable is inserted into the shell, and then the shell is clamped with a special tool to make it into a hexagonal shape to fix it. coaxial cable. This kind of connector is not firmly connected, and special tools are required, and the waterproof effect is relatively poor.

Chinese patent announcement number CN203367549U discloses a coaxial cable connector, including a pin, an insulator and a connector metal shell, the coaxial cable is inserted into the connector metal shell, and one end of the pin is provided with a jack, The contact pin and the inner conductor of the coaxial cable are crimped through the socket, and the part where the contact pin is mated with the inner conductor of the coaxial cable is a plug-in section, and the radial cross-section of the plug-in section is a regular hexagon. The disadvantages of this structure are: it is not suitable for coaxial cables with different outer diameters, and there are limitations in the use process; and the size of the plug-in section is relatively close to the size of the inner conductor. During the insertion process of the coaxial cable, the inner conductor Not easy to align with the mating section.

Utility model content

In view of this, the purpose of this utility model is to provide a coaxial cable connection assembly for the deficiencies of the prior art. By setting a groove on the right end surface of the insulating block and matching the tapered jack on the connecting column, the core wire The smooth insertion of the conductor provides guidance, which solves the problem of misalignment in the prior art. In addition, the utility model is suitable for coaxial cables or core wire conductors with different outer diameters through the adjustable arc-shaped pressing plate.

In order to achieve the above object, the utility model adopts the following technical solutions:

The coaxial cable connection assembly includes a housing, in which a connecting column and an insulating block are arranged sequentially from left to right, the right end of the connecting column is fixed in the insulating block, and a groove is provided on the right end surface of the insulating block , the right end of the connecting column is located at the bottom of the groove, the right end surface of the connecting column is provided with a tapered socket, and the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are provided on the shell holes, the first threaded hole and the second threaded hole are located on the same circle, the third threaded hole and the fourth threaded hole are located on the same circle, and the connecting line between the first threaded hole and the third threaded hole parallel to the central axis of the shell, the line between the second threaded hole and the fourth threaded hole is parallel to the central axis of the shell, the first threaded hole, the second threaded hole, the third threaded hole and the first threaded hole The four threaded holes are all threaded to connect the screw rod, one end of the screw rod is located in the shell, the other end of the screw rod is located outside the shell, and the screw rods in the first threaded hole and the third threaded hole extend into one end of the shell and are rotatably connected The first arc-shaped pressing plate, one end of the screw rod in the second threaded hole and the fourth threaded hole protruding into the housing is rotatably connected to the second arc-shaped pressing plate, the axes of the first arc-shaped pressing plate and the second arc-shaped pressing plate are aligned with each other. The axes of the housings are parallel.

Further, an in-line groove or a cross-shaped groove is provided at one end of the screw rod outside the casing.

Further, a wing nut is provided at one end of the screw rod outside the casing.

Further, the arcs of the first arc-shaped pressing plate and the second arc-shaped pressing plate are between 120°-135°.

Further, a rubber sleeve is provided at the right end of the housing, and the rubber sleeve has a frustum-shaped structure, and the end of the rubber sleeve with a larger diameter is socketed with the right end of the housing.

The beneficial effects of the utility model are:

1. When the utility model is in use, first strip the coaxial cable to expose the core wire conductor, insert the coaxial cable from the right end of the shell, insert the core wire conductor into the tapered jack and contact the connecting column, then tighten the four A screw rod makes the first arc-shaped pressing plate and the second arc-shaped pressing plate tighten the coaxial cable, wherein an in-line groove or a cross-shaped groove can be set at the end of the screw rod outside the shell, which is convenient for tightening with a household screwdriver;

Among them, the groove on the insulating block and the tapered socket on the connecting column provide guidance for the smooth insertion of the core wire conductor, which solves the problem of misalignment in the prior art and improves work efficiency, and the tapered socket The structural design is suitable for the use of core wire conductors with different diameters; in addition, the distance between the first arc-shaped pressing plate and the second arc-shaped pressing plate is adjustable, making the utility model suitable for coaxial cables with different outer diameters;

To sum up, the structural design of the utility model expands the scope of application of the connecting components and improves the efficiency during the plugging process. It should be pointed out that when the coaxial cable needs to be replaced, the utility model can separate the elastic screw from the original coaxial cable, and reuse it for a new coaxial cable, saving the input of use cost.

2. The end of the screw located outside the shell is provided with a wing nut. This structural design effectively improves the efficiency of tightening the screw.

3. The radian of the first arc-shaped pressing plate and the second arc-shaped pressing plate is between 120°-135°. According to practice, too small arc will easily cause the contact area between the two arc-shaped pressing plates and the outer wall of the coaxial cable to be small, resulting in unstable fixation The phenomenon that the arc is too large has the problem that the range suitable for the diameter of the coaxial cable is small. This structural design is to make the first arc-shaped pressing plate and the second arc-shaped pressing plate suitable for a wide range under the premise of being able to hold the coaxial cable tightly. The use of coaxial cables is more practical.

4. The right end of the shell is provided with a rubber sleeve, the rubber sleeve is a frustum-shaped structure, and the end of the rubber sleeve with a larger diameter is socketed with the right end of the shell. When using this structure, first put the right end of the rubber sleeve on the coaxial Outside the cable, after the screw is tightened, put the left end of the rubber sleeve on the outer wall of the right end of the casing, effectively improving the sealing and waterproof effect during use.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the sectional structure schematic diagram of A-A in Fig. 1;

Fig. 3 is the schematic structural view of the insulation stopper in embodiment one;

Fig. 4 is a schematic cross-sectional structure diagram of Embodiment 2 of the present utility model.

Numbers in the figure: 1-shell, 2-rubber sleeve, 3-connecting column, 4-insulation block, 5-groove, 6-tapered socket, 7-first threaded hole, 8-second threaded hole , 9-Third threaded hole, 10-Fourth threaded hole, 11-Screw rod, 12-Slot, 13-First curved pressure plate, 14-Second curved pressure plate, 15-Coaxial cable, 16-core Wire conductor, 17-wing nut.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Embodiment one

As shown in Figures 1 to 3, the utility model includes a housing 1, the right end of the housing 1 is provided with a rubber sleeve 2, the rubber sleeve 2 is a frustum-shaped structure, and the end of the rubber sleeve 2 with a larger diameter is sleeved with the right end of the housing 1. Connection, the connecting column 3 and the insulating block 4 are arranged in sequence from left to right in the shell 1, the right end of the connecting column 3 is buried in the insulating block 4, the right end surface of the insulating block 4 is provided with a groove 5, and the right end of the connecting column 3 Located at the bottom of the groove 5, the right end surface of the connecting column 3 is provided with a tapered socket 6, and the shell 1 is provided with a first threaded hole 7, a second threaded hole 8, a third threaded hole 9 and a fourth threaded hole 10, the first One threaded hole 7 and the second threaded hole 8 are located on the same circle, the third threaded hole 9 and the fourth threaded hole 10 are located on the same circle, and the connecting line between the first threaded hole 7 and the third threaded hole 9 is connected with the casing 1 The central axis of the second threaded hole 8 and the fourth threaded hole 10 are parallel to the central axis of the housing 1, the first threaded hole 7, the second threaded hole 8, the third threaded hole 9 and the first threaded hole The four threaded holes 10 are all threaded to connect the screw rod 11. One end of the screw rod 11 is located in the shell 1, and the other end of the screw rod 11 is located outside the shell 1 and offers a straight groove 12. The screw rod in the first threaded hole 7 and the third threaded hole 9 One end extending into the housing 1 is rotatably connected to the first arc-shaped pressing plate 13, and the end of the screw 11 in the second threaded hole 8 and the fourth threaded hole 10 protruding into the housing 1 is rotatably connected to the second arc-shaped pressing plate 14. A connected blind hole and a chute can be provided on the first arc-shaped clamping plate 13 and the second arc-shaped pressing plate 14, and one end of the chute is located at the end faces of the first arc-shaped clamping plate 13 and the second arc-shaped pressing plate 14, The lower end of the screw rod 11 is provided with an annular protrusion, and the annular protrusion is slid from the chute into the blind hole, and the protrusion can rotate in the blind hole. The axes are parallel, and the arc of the first arc-shaped pressing plate 13 and the second arc-shaped pressing plate 14 is 120°.

When the utility model is in use, first put the right end of the rubber sleeve 2 on the outside of the coaxial cable 15, then peel off the coaxial cable 15 to expose the core wire conductor 16, and insert the coaxial cable 15 from the right end of the shell 1, the insertion process The core wire conductor 16 smoothly enters the tapered socket 6 and contacts the connecting column 3 during the guiding process of the groove 5 and the tapered socket 6. At this time, the four screw rods 11 are tightened so that the first arc-shaped pressure plate 13 and the second Two arc-shaped pressing plates 14 tighten the coaxial cable 15, and finally the left end of the rubber bushing 2 is placed on the right-hand outer wall of the housing 1, as can be seen from the above between the first arc-shaped pressing plate 13 and the second arc-shaped pressing plate 14 of the present utility model The spacing between them is adjustable, and the structure design of the conical socket 6 is suitable for the use of coaxial cables 15 or core wire conductors 16 with different outer diameters.

Embodiment two

The structure of this embodiment is basically the same as that of Embodiment 1, the difference is that, as shown in FIG. 4 , the end of the screw 11 outside the housing 1 is fixedly connected to a wing nut 17 . The advantage of this structure is that it is convenient to disassemble and assemble the screw rod 11 quickly, so that the utility model is suitable for coaxial cables 15 with different outer diameters.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model, as long as they do not depart from the technical solution of the utility model The spirit and scope should be included in the claims of the present utility model.

Claims (5)

1. a kind of coaxial cable connection component, including shell, connecting pole and insulation stop are set gradually from left to right in the shell Block, the right-hand member of the connecting pole are fixed in insulating spacer, it is characterised in that：The right side of the insulating spacer sets groove, The right-hand member of the connecting pole is located at the bottom land of groove, and the right side of the connecting pole sets conical socket, opened up on the shell First screwed hole, the second screwed hole, the 3rd screwed hole and the 4th screwed hole, first screwed hole and the second screwed hole are positioned at same On one circumference, the 3rd screwed hole and the 4th screwed hole are located on same circumference, first screwed hole and the 3rd screwed hole Between line it is parallel with the axis of shell, in the line and shell between second screwed hole and the 4th screwed hole Axis is parallel, and screw rod is threadedly coupled in first screwed hole, the second screwed hole, the 3rd screwed hole and the 4th screwed hole, One end of the screw rod is located in shell, and the other end of the screw rod is located at outside shell, first screwed hole and the 3rd screw thread Screw rod in hole stretches into one end in shell and is rotatablely connected the first arc pressuring plate, in second screwed hole and the 4th screwed hole One end that screw rod is stretched into shell is rotatablely connected the second arc pressuring plate, the axis of first arc pressuring plate and the second arc pressuring plate It is parallel with the axis of shell.

2. coaxial cable connection component according to claim 1, it is characterised in that：The screw rod is located at one end outside shell In-line groove or cross bath are set.

3. coaxial cable connection component according to claim 1, it is characterised in that：The screw rod is located at one end outside shell Wing nut is set.

4. coaxial cable connection component according to claim 1, it is characterised in that：First arc pressuring plate and the second arc The radian of shape pressing plate is between 120 ° -135 °.

5. coaxial cable connection component according to claim 1, it is characterised in that：The right-hand member of the shell sets rubber sleeve Pipe, the gum sleeve is taper type structure, and one end and the right-hand member of shell that the gum sleeve is relatively large in diameter are socketed.