CN216056326U

CN216056326U - Railway signal cable leading-in lightning protection end forming box

Info

Publication number: CN216056326U
Application number: CN202122329948.XU
Authority: CN
Inventors: 赵富国; 田在; 王辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-03-15
Anticipated expiration: 2031-09-25

Abstract

The utility model discloses a railway signal cable leading-in lightning protection end forming box, which comprises: the glue injection device comprises a lower semi-cylinder, an upper semi-cylinder and a support, wherein an adhesive injection port is arranged on one side of the upper semi-cylinder; the locking hose clamp is arranged inside the limiting groove, the lower semi-cylinder and the upper semi-cylinder are connected through the locking hose clamp, the middle part of the bottom end of the lower semi-cylinder is provided with a grounding terminal, one end of the grounding terminal, close to the inside of the lower semi-cylinder, is connected with the conducting piece, and the conducting piece is connected with the locking ring; and the clamping groove is formed in the inner wall of the support. This railway signal cable introduces lightning protection and becomes end box, and the inside sealed sand grip that sets up of draw-in groove can prevent that sealed pad from removing to take place to drop to reach the effect that prevents sealed pad and drop, can reach the effect of protecting cable introduction department through lag and the protection pad that sets up.

Description

Railway signal cable leading-in lightning protection end forming box

Technical Field

The utility model relates to the technical field of cable terminating boxes, in particular to a lightning protection terminating box for introducing railway signal cables.

Background

The signal cable is a transmission channel of railway signal control equipment and is widely applied to the fields of railway and rail transit. In order to meet the requirements of lightning protection and interference resistance, a signal cable needs to be reliably grounded on a metal sheath and a shielding layer before entering a cable house and branching wiring, so that the cable lightning protection end box is widely applied, but the existing cable lightning protection end box also has some defects, such as:

according to the patent number: a CN202021467406.8 signal cable terminating box, wherein an extending part for glue filling and a terminating box body structure have a certain included angle, so that the glue filling requirements of two horizontal and vertical mounting modes of the terminating box can be met simultaneously;

the technical scheme also comprises the following steps:

1. the sealing gasket of the cable lightning protection end forming box is easy to fall off when a cable is led in;

2. the cable lightning protection end forming box can not protect the cable at the leading-in position;

therefore, the current railway signal cable introduction lightning protection end box is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a railway signal cable lead-in lightning protection terminal box, which solves the problems that a sealing gasket of the cable lightning protection terminal box in the current market is easy to fall off when a cable is led in and the cable lightning protection terminal box can not protect the cable at the lead-in position, which are provided by the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a railway signal cable lead-in lightning protection end box comprising:

the glue injection device comprises a lower semi-cylinder, an upper semi-cylinder and a support, wherein an adhesive injection port is arranged on one side of the upper semi-cylinder;

the locking hose clamp is arranged inside the limiting groove, the lower semi-cylinder and the upper semi-cylinder are connected through the locking hose clamp, the middle part of the bottom end of the lower semi-cylinder is provided with a grounding terminal, one end of the grounding terminal, close to the inside of the lower semi-cylinder, is connected with the conducting piece, and the conducting piece is connected with the locking ring;

the draw-in groove is seted up the inner wall of support, and the inside of draw-in groove is provided with sealed sand grip to sealed sand grip is fixed with sealed the pad.

Preferably, the lower semi-cylinder and the upper semi-cylinder are the same in shape, the lower semi-cylinder and the upper semi-cylinder are combined to form a lightning protection end box whole, the upper semi-cylinder is covered above the lower semi-cylinder, and the lower semi-cylinder and the upper semi-cylinder can be assembled by using the locking hose clamp to tie up the limiting groove.

Preferably, the size of draw-in groove and the size phase-match of sealed sand grip, and the equidistant distribution of draw-in groove is at the inner wall of support to the both ends of sealed pad are the loudspeaker form, and the sealed sand grip of the inside setting of draw-in groove can prevent that sealed pad from removing to take place to drop.

Preferably, the one end that locking hose clamp was kept away from to the support is connected with the lag, and the one end inner wall of lag is provided with the protection pad to the dashpot has been seted up on the surface of lag, and protection pad and lag can protect the cable of introducing the department.

Preferably, the shape of protection pad is arc, and two protection pads butt joint constitutes the ring form to the dashpot is the equidistant distribution about the protection pad, and the dashpot of seting up can protect and cushion the cable when the cable takes place to bend.

Compared with the prior art, the utility model has the beneficial effects that: this railway signal cable introduces lightning protection and becomes end box, and the inside sealed sand grip that sets up of draw-in groove can prevent that sealed pad from removing to take place to drop to reach the effect that prevents sealed pad and drop, can reach the effect of protecting cable introduction department through lag and the protection pad that sets up.

1. The railway signal cable is introduced into the lightning protection end box, a sealing gasket arranged on the inner wall of the support can prevent leakage during glue injection, the opening of the sealing gasket is horn-shaped, the cable is convenient to butt, and a sealing convex strip arranged in the clamping groove can prevent the sealing gasket from moving and falling off, so that the effect of preventing the sealing gasket from falling off is achieved;

2. this railway signal cable introduces the lightning protection and becomes end box, and the lag and the protection pad that the support outside set up can protect cable and the junction between the end box to the protective sheath is when receiving the cable extrusion, and the dashpot that the outside was seted up can be the furthest prevent that the cable is tortuous, thereby reaches the effect of being convenient for protect the junction cable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a right view of the structure of the present invention.

In the figure: 1. a lower semi-cylinder; 2. an upper half cylinder; 3. a glue injection port; 4. a support; 5. a limiting groove; 6. locking the hose clamp; 7. a ground terminal; 8. a conductive sheet; 9. locking a ring; 10. a card slot; 11. sealing the convex strips; 12. a gasket; 13. a protective sleeve; 14. a pad; 15. a buffer tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a railway signal cable lead-in lightning protection end box comprising: lower half cylinder 1, the top of lower half cylinder 1 is provided with first half cylinder 2, and install injecting glue mouth 3 on first half cylinder 2 one side, lower half cylinder 1 all is fixed with support 4 with first half cylinder 2's both ends, and the surface of support 4 has seted up spacing groove 5, locking hose clamp 6, the setting is in the inside of spacing groove 5, and lower half cylinder 1 and first half cylinder 2 connect through locking hose clamp 6, the bottom middle part of lower half cylinder 1 is provided with ground terminal 7, and ground terminal 7 is close to the inside one end of lower half cylinder 1 and is connected with conduction piece 8, and conduction piece 8 is connected with locking ring 9, draw-in groove 10, set up the inner wall at support 4, and the inside of draw-in groove 10 is provided with sealed sand grip 11, and sealed sand grip 11 is fixed with sealed pad 12.

The lower semi-cylinder 1 and the upper semi-cylinder 2 are the same in shape, and the lower semi-cylinder 1 and the upper semi-cylinder 2 are combined to form a lightning protection end box whole; the size of the clamping grooves 10 is matched with that of the sealing convex strips 11, the clamping grooves 10 are distributed on the inner wall of the support 4 at equal intervals, and two ends of the sealing gasket 12 are horn-shaped.

The sealed 12 that fills up that 4 inner walls of support set up can prevent to take place the seepage when the injecting glue, and sealed 12 openings that fill up are the tubaeform and make things convenient for the cable butt joint to the sealed 12 removal that can prevent to fill up of sealed sand grip 11 that 10 inside settings of draw-in groove takes place to drop, thereby reaches the effect that prevents to fill up 12 drops.

One end of the support 4, which is far away from the locking hose clamp 6, is connected with a protective sleeve 13, a protective pad 14 is arranged on the inner wall of one end of the protective sleeve 13, and a buffer groove 15 is formed in the surface of the protective sleeve 13; the shape of the pad 14 is circular arc, and the two pads 14 are butted to form a circular ring shape, and the buffer grooves 15 are distributed at equal intervals with respect to the pads 14.

The lag 13 and the protection pad 14 that the support 4 outside set up can protect cable and the junction between the end box to lag 13 is when receiving the cable extrusion, and the dashpot 15 that the outside was seted up can be the furthest prevent the cable tortuous, thereby reach the effect of being convenient for protect the junction cable.

In summary, the railway signal cable is firstly placed in the inner core of the lower semi-cylinder 1, then the locking ring 9 is tied on the outer side of the cable, reliable grounding can be completed through the conducting piece 8 and the grounding terminal 7, then the upper semi-cylinder 2 is covered above the lower semi-cylinder 1, the lower semi-cylinder 1 and the upper semi-cylinder 2 can be assembled by tying from the limiting groove 5 by using the locking hose clamp 6, and then the operation of leading the cable into the lightning protection end box can be completed by injecting sealing glue from the glue injection port 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A railway signal cable lead-in lightning protection end box, comprising:

the glue injection device comprises a lower semi-cylinder (1), wherein an upper semi-cylinder (2) is arranged above the lower semi-cylinder (1), a glue injection port (3) is arranged on one side of the upper semi-cylinder (2), supports (4) are fixed at two ends of the lower semi-cylinder (1) and the upper semi-cylinder (2), and limiting grooves (5) are formed in the surfaces of the supports (4);

the locking hose clamp (6) is arranged inside the limiting groove (5), the lower semi-cylinder (1) and the upper semi-cylinder (2) are connected through the locking hose clamp (6), the middle of the bottom end of the lower semi-cylinder (1) is provided with a grounding terminal (7), one end, close to the inner part of the lower semi-cylinder (1), of the grounding terminal (7) is connected with the conducting piece (8), and the conducting piece (8) is connected with the locking ring (9);

the clamping groove (10) is formed in the inner wall of the support (4), a sealing convex strip (11) is arranged inside the clamping groove (10), and the sealing convex strip (11) is fixed with the sealing gasket (12).

2. The railway signal cable lead-in lightning protection end box according to claim 1, wherein: the lower semi-cylinder (1) and the upper semi-cylinder (2) are the same in shape, and the lower semi-cylinder (1) and the upper semi-cylinder (2) are combined to form a lightning protection end box whole.

3. The railway signal cable lead-in lightning protection end box according to claim 1, wherein: the size of draw-in groove (10) and the size phase-match of sealed sand grip (11), and draw-in groove (10) equal interval distribution are at the inner wall of support (4) to the both ends of sealed pad (12) are the loudspeaker form.

4. The railway signal cable lead-in lightning protection end box according to claim 1, wherein: one end, far away from the locking hose clamp (6), of the support (4) is connected with a protective sleeve (13), a protective pad (14) is arranged on the inner wall of one end of the protective sleeve (13), and a buffer groove (15) is formed in the surface of the protective sleeve (13).

5. The railway signal cable lead-in lightning protection end box according to claim 4, wherein: the shape of protection pad (14) is circular arc, and two protection pads (14) butt joint constitutes the ring form to buffer slot (15) are the equidistant distribution about protection pad (14).