CN215732271U

CN215732271U - Train shielding cable connector

Info

Publication number: CN215732271U
Application number: CN202121979823.5U
Authority: CN
Inventors: 王晨华
Original assignee: Shanghai Alstom Communications Electric Co ltd
Current assignee: Shanghai Alstom Communications Electric Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The application relates to a train shielding cable joint, which comprises a cable connecting pipe, a clamping pipe coaxially arranged at one end of the cable connecting pipe, a wire connecting pipe coaxially arranged at one end of the clamping pipe, which is far away from the cable connecting pipe, an elastic clamping jaw which is arranged at the end surface of the clamping pipe, which is close to the cable joint, and is used for clamping a cable, and a sleeve part which is arranged inside the wire connecting pipe and is used for fixing a cable shielding layer; the cable connecting pipe is sleeved with the clamping pipe in a threaded manner, the wire connecting pipe is sleeved with the other end of the clamping pipe in a threaded manner, the other end of the wire connecting pipe is provided with an external thread for installing a wire, and a limiting ring is axially arranged on the outer peripheral wall close to the external thread. This application shielding cable passes the cable and takes over, presss from both sides tight pipe and drives the periphery wall that the tight cable of elasticity jack catch was taken over, and the shielding layer of cable is fixed on cover barrel spare, and many wire axial pass the wire and take over, because the not unidimensional cable of elasticity jack catch can the centre gripping, then enlarges the application scope that the cable connects.

Description

Train shielding cable connector

Technical Field

The application relates to the field of shielded cable connection, in particular to a train shielded cable connector.

Background

The cable joint is also called cable head, mainly used in both ends and the centre of cable, makes the cable keep sealed, plays waterproof dustproof anti-vibration's effect, is the connecting cable or is connected to the important part of equipment with the cable, and in the train, the joint of shielding cable has the connection effect in addition, has the effect of shielding signal to shielding cable in the train is not influenced by the electromagnetism when connecting, and then guarantees that the train moves safe and reliable.

But the model that the cable that different sizes of cable connected connects also is different, and when different sizes of cable need connect the cable joint, the staff need look for the cable joint of the model that matches with it to consume a large amount of operating time, reduce staff's work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to expand the application range of the cable connector, the application provides a shielding cable connector for a train.

The application provides a train shielding cable joint adopts following technical scheme:

a train shielding cable joint comprises a cable connecting pipe, a clamping pipe coaxially arranged at one end of the cable connecting pipe, a wire connecting pipe coaxially arranged at one end, far away from the cable connecting pipe, of the clamping pipe, an elastic clamping jaw which is arranged at the end face, close to the cable joint, of the clamping pipe and used for clamping a cable, and a sleeve pipe piece which is arranged inside the wire connecting pipe and used for fixing a cable shielding layer;

the cable connecting pipe is sleeved with the clamping pipe in a threaded manner, the wire connecting pipe is sleeved with the other end of the clamping pipe in a threaded manner, the other end of the wire connecting pipe is provided with an external thread for installing a wire, and a limiting ring is axially arranged on the outer peripheral wall close to the external thread.

Through adopting above-mentioned technical scheme, when the shielded cable connects the cable joint, the cable axial is passed the cable and is taken over, clamping pipe and cable take over threaded connection, thereby it presss from both sides the periphery wall that the tight cable was taken over to drive the elasticity jack catch, the cable axial passes the clamping pipe, the shielding layer of cable is fixed on cover barrel, many wire axial are passed the wire and are taken over, wire take over one end and clamping pipe threaded connection, the other end is installed on the equipment that the wire is connected, the not unidimensional cable of elasticity jack catch can the centre gripping, then enlarge the application scope that the cable connects.

Preferably, the elasticity jack catch evenly lays in solid fixed ring and deviates from clamp tube one end elasticity card including coaxial fixed solid fixed ring, a plurality of circumference that clamp tube is close to cable takeover one end, and the elasticity card includes the horizontal bar that is on a parallel with the axis and fixes the slanted bar on the horizontal bar, and the horizontal bar is kept away from the one end of slanted bar and is fixed on solid fixed ring, and the slope direction of slanted bar deviates from clamp tube and directional axis.

Through adopting above-mentioned technical scheme, the periphery wall of tight cable is supported to the slanted bar when pressing from both sides tight shielding cable to the elasticity jack catch, and a plurality of elasticity card forms the periphery wall that the ring supported tight cable simultaneously to inject cable axial displacement, and then press from both sides tight cable.

Preferably, the inner peripheral wall of the cable connecting pipe is provided with a first conical surface for adjusting the inclination angle of the oblique strip.

Through adopting above-mentioned technical scheme, when the tight shielded cable of elasticity jack catch clamp, press from both sides tight pipe and be close to the cable through the screw thread rotation and take over, the horizontal bar and the first conical surface contact of elasticity card to lead to the taper slope of horizontal bar along first conical surface, and then drive the peripheral wall that the slanted bar supports tight shielded cable, thereby press from both sides tight not unidimensional cable.

Preferably, the sleeve member includes that shielding pipe and coaxial thread cover locate the housing sleeve of shielding pipe, the second conical surface that is used for fixed shielding layer is seted up to the periphery wall of shielding pipe, and the third conical surface of laminating with the second conical surface is seted up to the internal perisporium of shielding pipe.

Through adopting above-mentioned technical scheme, when the casing pipe spare is fixed the shielding layer, establish on the shielding pipe for convenient shielding layer cover, the periphery wall of shielding pipe sets to the conical surface, for making the shielding layer can be tight fix on the shielding pipe, the conical surface of laminating mutually with the periphery wall of shielding pipe is offered to the periphery wall in the shielding pipe to make the joint department of shielded cable have the shielding function.

Preferably, one end of the cable connecting pipe, which is far away from the clamping pipe, is coaxially connected with an anti-folding pipe.

Through adopting above-mentioned technical scheme, when the shielding cable is crooked, prevent rolling over the pipe bending along with it, because the bending of preventing rolling over the pipe has certain limit to avoid shielding the too big condition that leads to the cable to damage of cable bending angle.

Preferably, one end of the wire connecting pipe, which is far away from the clamping pipe, is provided with a wire distributing plate, and the wire distributing plate is provided with a plurality of wire distributing holes along the axis direction.

Through adopting above-mentioned technical scheme, when many wires got into the wire takeover, many wires stretched out from a plurality of separated time hole of separated time board respectively to and then make things convenient for many wires to connect other equipment respectively.

Preferably, one end of the anti-folding pipe, which is far away from the cable connecting pipe, is coaxially provided with a first waterproof sealing ring.

Through adopting above-mentioned technical scheme, when the periphery wall of shielding cable contacted water, first waterproof sealing washer prevented that rivers from getting into the cable joint to avoid the condition that the shielding cable can not be used.

Preferably, a second waterproof sealing ring is arranged between the limiting ring and the external thread.

Through adopting above-mentioned technical scheme, when the equipment department that the shielding cable is connected has water, the waterproof sealing washer of second prevents that rivers from flowing into in the wire connects to avoid the condition that the shielding cable can not be used.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the shielding cable can penetrate through the cable connecting pipe, the clamping pipe can drive the elastic clamping jaws to clamp the outer peripheral wall of the shielding cable, the sleeve piece can fix the shielding layer of the shielding cable, the conducting wire connecting pipe can install conducting wires of the shielding cable on equipment, the elastic clamping jaws can clamp the shielding cables with different sizes, and therefore the application range of the cable connector is expanded;

2. the clamping tube can drive the elastic clamping strip to move in the direction close to the cable joint, the horizontal strip can tilt along the first conical surface through moving, and then the inclined strip can clamp the shielding cable so as to expand the clamping range of the elastic clamping jaw;

3. the shielding layer can be sleeved on the shielding pipe through the first conical surface, and the shielding sleeve can be sleeved on the shielding pipe in a threaded manner, so that the shielding function of the cable joint is realized.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view of an internal structure in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of the elastic claw in the embodiment of the application.

Fig. 4 is a schematic view of the connection of the sleeve member in the embodiment of the present application.

In the figure: 1. a cable take-over; 2. clamping the tube; 3. a lead adapter; 4. the pipe is prevented from being folded; 5. an elastic claw; 51. a fixing ring; 52. an elastic card; 521. horizontal strips; 522. oblique strips; 6. a sleeve member; 61. a shielding tube; 62. a shielding sleeve; 7. a first conical surface; 8. a second tapered surface; 9. a third conical surface; 10. a limiting ring; 11. a wire distributing plate; 12. a wire dividing hole; 13. a first waterproof seal ring; 14. and a second waterproof sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses train shielding cable connects. Referring to fig. 1 and 2, the cable joint includes a clamping pipe 2, one end of the clamping pipe 2 is coaxially and threadedly communicated with a cable connection pipe 1, the other end of the clamping pipe is coaxially and threadedly communicated with a wire connection pipe 3, and one end of the cable connection pipe 1, which is far away from the clamping pipe 2, is coaxially and threadedly communicated with an anti-folding pipe 4. Prevent rolling over pipe 4 and be metal collapsible tube, when the shielding cable is crooked, thereby prevent rolling over pipe 4 and avoid shielding the too big condition that leads to the cable to damage of cable bending angle.

And an elastic clamping claw 5 which is tightly abutted against the peripheral wall of the shielding cable is coaxially fixed at one end of the clamping tube 2 close to the cable connecting tube 1. Because the elastic clamping claws 5 can clamp shielding cables with different sizes, the application range of the cable joint is enlarged, and the wire connecting pipe 3 is coaxially connected with a sleeve pipe piece 6 for fixing a shielding layer of the shielding cable close to the clamping pipe 2, so that the cable joint has a shielding function.

The outer thread has been seted up on the periphery wall that the clamp pipe 2 was kept away from to wire takeover 3, and when the wire needed connecting device, the cable joint passed through the external screw thread and was connected with equipment, and wire takeover 3 is being close to external screw thread department axial fixity limit ring 10, and then the mounted position of 3 is taken over to the limited wire.

As shown in fig. 1 and 2, a first waterproof sealing ring 13 is coaxially installed at one end of the anti-folding pipe 4 away from the cable connection pipe 1. A second waterproof sealing ring 14 is arranged between the limiting ring 10 and the external thread to avoid the condition that the wire connector can not be used due to water seepage inside.

The one end coaxial arrangement that the wire was taken over 3 and was kept away from clamping tube 2 has separated time board 11, and separated time hole 12 of a plurality of is seted up along the axis direction to separated time board 11, and a plurality of wires inside the shielded cable stretch out from a plurality of separated time hole 12 of separated time board 11 respectively to make things convenient for the wire to connect required equipment, set up the draw-in groove that prevents that separated time board 11 from wire takeover 3 in the wire takeover 3.

Referring to fig. 1 and 3, elasticity jack catch 5 includes solid fixed ring 51 and elasticity card 52, gu fixed ring 51 is fixed on the terminal surface that the clamp pipe 2 is close to cable takeover 1 coaxially, elasticity card 52 is provided with a plurality of, and a plurality of elasticity card 52 circumference evenly lays on gu fixed ring 51, elasticity card 52 includes the horizontal bar 521 that is on a parallel with the axis, horizontal bar 521 one end is fixed on a solid fixed ring 51, the other end extends along deviating from clamp pipe 2 direction, the other end of horizontal bar 521 is fixed with the slope direction and deviates from clamp pipe 2 and the oblique strip 522 that points to the axis. The inner peripheral wall of the cable connecting pipe 1 is provided with a first conical surface 7 for adjusting the inclination angle of the oblique strip 522.

When elasticity jack catch 5 presss from both sides tight shielding cable, pressing from both sides tight pipe 2 and rotating along the direction that is close to cable takeover 1 to drive the first conical surface 7 of horizontal bar 521 conflict, horizontal bar 521 is along with the rotation of pressing from both sides tight pipe 2, thereby incline to the axis direction along first conical surface 7, and then drive the slanted bar 522 and be close to the axis, with pressing from both sides tight shielding cable, along with the rotation of pressing from both sides tight pipe 2, the slanted bar 522 presss from both sides tight shielding cable that can press from both sides tight different diameters, thereby enlarges cable joint's application scope.

Referring to fig. 1 and 4, the sleeve member 6 includes a shielding tube 61 and a shielding sleeve 62, the shielding tube 61 is coaxially slid and disposed in the wire connection tube 3, and a second conical surface 8 deviating from the clamping tube 2 in an inclined direction is disposed at a position close to the peripheral wall of the clamping tube 2, so that a shielding layer of a shielding cable is conveniently sleeved on the peripheral wall of the shielding tube 61, the shielding sleeve 62 is coaxially sleeved on the shielding tube 61 in a threaded manner, a third conical surface 9 attached to the second conical surface 8 is disposed on the inner peripheral wall of the shielding sleeve 62, the shielding layer is fixed between the shielding tube 61 and the shielding sleeve 62, and a shielding function of cable joint is realized.

The implementation principle of the train shielding cable connector in the embodiment of the application is as follows: when the shielding cable is connected with the cable connector, firstly, the shielding cable sequentially penetrates through the anti-folding pipe 4, the cable connecting pipe 1 and the clamping pipe 2, secondly, a shielding layer of the shielding cable is sleeved on the shielding pipe 61, the shielding pipe 61 is sleeved by the shielding sleeve 62 in a threaded manner, then, a conducting wire of the shielding cable sequentially penetrates through the shielding pipe 61 and the distributing plate 11, the conducting wire extends out of the conducting wire connecting pipe 3 through the distributing hole 12 of the distributing plate 11, finally, the conducting wire connecting pipe 3 is in threaded connection with the clamping pipe 2, the clamping pipe 2 is in threaded connection with the cable connecting pipe 1, the clamping pipe 2 rotates in the direction close to the cable connecting pipe 1 until the oblique strip 522 clamps the shielding cable, and finally, the application range of the cable connector is expanded.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a train shielding cable connects which characterized in that: the cable connector comprises a cable connecting pipe (1), a clamping pipe (2) coaxially arranged at one end of the cable connecting pipe (1), a wire connecting pipe (3) coaxially arranged at one end of the clamping pipe (2) far away from the cable connecting pipe (1), an elastic clamping jaw (5) arranged at the end face of the clamping pipe (2) close to a cable connector and used for clamping a cable, and a sleeve part (6) arranged inside the wire connecting pipe (3) and used for fixing a cable shielding layer;

the cable is taken over (1) the one end that clamping tube (2) was established to the thread bush, and the wire is taken over (3) is established to the other end thread bush of clamping tube (2), and the wire is taken over (3) the other end and is offered the external screw thread that is used for installing the wire, and is close to on the periphery wall of external screw thread axial be provided with spacing ring (10).

2. The shielded cable joint of claim 1, wherein: elasticity jack catch (5) are including coaxial fixed solid fixed ring (51) of taking over (1) one end near the cable in clamp tube (2), a plurality of circumference is evenly laid and is being deviated from clamp tube (2) one end elasticity card (52) in solid fixed ring (51), elasticity card (52) are including being on a parallel with the horizontal bar (521) of axis and fixing oblique strip (522) on horizontal bar (521), the one end that oblique strip (522) were kept away from in horizontal bar (521) is fixed on solid fixed ring (51), the incline direction of oblique strip (522) deviates from clamp tube (2) and directional axis.

3. The shielded cable joint of claim 2, wherein: the inner peripheral wall of the cable connecting pipe (1) is provided with a first conical surface (7) used for adjusting the inclination angle of the oblique strip (522).

4. The shielded cable joint of claim 1, wherein: the shield sleeve (62) of shield pipe (61) is located including shield pipe (61) and coaxial thread cover to bushing spare (6), second conical surface (8) that are used for fixed shielding layer are seted up to the periphery wall of shield pipe (61), and third conical surface (9) of laminating with second conical surface (8) are seted up to the internal perisporium of shield pipe (61).

5. The shielded cable joint of claim 1, wherein: one end of the cable connecting pipe (1) far away from the clamping pipe (2) is coaxially connected with an anti-folding pipe (4).

6. The shielded cable joint of claim 1, wherein: one end, far away from the clamping pipe (2), of the wire connecting pipe (3) is provided with a wire distributing plate (11), and the wire distributing plate (11) is provided with a plurality of wire distributing holes (12) along the axis direction.

7. The shielded cable joint of claim 5, wherein: one end of the anti-folding pipe (4) far away from the cable connecting pipe (1) is coaxially provided with a first waterproof sealing ring (13).

8. The shielded cable joint of claim 1, wherein: and a second waterproof sealing ring (14) is arranged between the limiting ring (10) and the external thread.