CN219739323U - Fireproof cable - Google Patents

Abstract

The utility model discloses a fireproof cable, in particular to the field of fireproof cables, which comprises a cable body, wherein a protecting device is arranged on the outer surface of the cable body, and comprises a first protecting block, a second protecting block, four bolts and four nuts.

Description

Fireproof cable

Technical Field

The utility model relates to the field of fireproof cables, in particular to a fireproof cable.

Background

A cable is an electrical energy or signal transmission device, typically a cable consisting of several wires or groups of wires.

The inventor finds that when the cable is used for circuit connection in daily work, in order to increase safety, a fireproof material is added into the surface insulating skin of the cable, so that the fireproof performance of the cable is improved, when the circuit is wired, a plurality of cables are needed to be used for connecting copper wires in the cable, and the condition that electric leakage easily occurs because the copper wires at the connecting position are exposed to the outside after the cable is connected with one end of the cable.

In order to solve the problem that after the cable is connected with one end of the cable, copper wires at the connecting position are exposed to the outside and electric leakage is easy to occur, the prior art adopts a mode of winding the copper wires on the outer surface of the connecting position of the cable by using insulating adhesive tape for treatment, and the utility model provides another solving mode.

Disclosure of Invention

The utility model provides a fireproof cable, which aims to solve the problems that after a cable is connected with one end of the cable, copper wires at the connection part are exposed to the outside and electric leakage is easy to occur.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: fireproof cable, including the cable body, the surface of cable body is provided with protector, the surface of cable body is provided with auxiliary device, protector includes first protection piece, second protection piece, four bolts and four nuts, the inner wall size of first protection piece and second protection piece all with the surface size looks adaptation of cable body, the equal fixedly connected with rectangle piece in both ends of first protection piece and second protection piece, threaded hole has been seted up to one side symmetry of rectangle piece, the inner wall screw thread size and the shape of screw hole and the surface screw thread size and the shape looks adaptation of bolt.

The effects achieved by the components are as follows: through setting up protector, when drawing the circuit to very long highway section, need link up many cable body, link together the inside copper line of cable body back, can be manual with first guard block and second guard block from the both sides of junction with cable body card, make its inner wall hug closely on the surface of cable body, then manually screw in the screw hole on the first guard block with the bolt, make it screw in the screw hole on the second guard block, make first guard block and second guard block cover the splice department of cable body after fixed spacing together, make it cover the interface department chucking of cable body, and cover the difficult condition that takes place the electric shock of electric leakage with the copper line.

Preferably, the top of the bolt is provided with a groove, and the groove is hexagonal.

The effects achieved by the components are as follows: through setting up the recess, when the bolt is less, inconvenient manual when twisting it, can use corresponding twisting instrument to rotate in inserting the recess with it to can conveniently twist into the screw hole with the bolt.

Preferably, the size and shape of the inner wall threads of the nut are matched with those of the outer surface threads of the bolt, and the nut is arranged at one end of the bolt far away from the groove.

The effects achieved by the components are as follows: through setting up the nut, when using the fixed spacing in the interface department outside of cable body of bolt with first protection piece and second protection piece, through screwing the nut on the one end of bolt, can consolidate and fix spacing together first protection piece and second protection piece.

Preferably, the inner walls of the first protection block and the second protection block are fixedly connected with rubber blocks, and the longitudinal sections of the rubber blocks are arc-shaped.

The effects achieved by the components are as follows: through setting up the rubber piece, when first protection piece and second protection piece cover the protection with cable body's interface department, the rubber piece plays insulating effect between first protection piece and second protection piece, further protects cable body inside copper line.

Preferably, the auxiliary device comprises a round block, a round hole is formed in one side of the round block, and the size and shape of the inner wall of the round hole are matched with those of the outer surface of the cable body.

The effects achieved by the components are as follows: through setting up auxiliary device, expose in the air at cable body for a long time, the surface insulation skin of cable body takes place the corrosion cracking easily for a long time, through in passing the round hole on the button with the cable body, can make cable body's surface increase and one deck lag, make its cable body's surface be difficult for taking place the corrosion cracking.

Preferably, the outer surface of the round block is fixedly connected with a plurality of anti-skid convex blocks, and the anti-skid convex blocks are arranged at equal intervals.

The effects achieved by the components are as follows: through setting up skid proof block, can increase the frictional force on circle piece surface, when the manual cable body wears to establish in the round hole on the circle piece, when manually holding the surface of circle piece, can make the circle piece be difficult for taking place the slip at manual.

Preferably, the limiting groove is formed in the inner wall of the round hole, a plurality of limiting blocks are fixedly connected to the outer surface of the cable body, and the size and shape of the inner wall of the limiting groove are matched with those of the outer surface of the limiting blocks.

The effects achieved by the components are as follows: through setting up stopper and spacing groove, when inserting the stopper card in the spacing groove, can make the cable body wear to establish in the round hole on the button and be difficult for taking place to rotate.

In summary, the beneficial effects of the utility model are as follows:

when the circuit is pulled on very long highway section, need link up many cable bodies, after the copper line link together inside the cable body, can be manual with first guard block and second guard block from the both sides of junction with the cable body card, make its inner wall hug closely on the surface of cable body, then manually screw in the screw hole on the first guard block with the bolt, make it screw in the screw hole on the second guard block, make first guard block and second guard block cover the junction of cable body after fixed spacing together, make it cover the interface department chucking of cable body, and cover the difficult condition that takes place the electric shock of electric leakage with the copper line.

Drawings

Fig. 1 is a schematic view of a three-dimensional partial structure of a cable body according to the present utility model.

Fig. 2 is a schematic view of a three-dimensional partial structure of a first protection block according to the present utility model.

Fig. 3 is a schematic view of a three-dimensional partial structure of the cable body according to the present utility model.

Fig. 4 is a schematic view of a partial structure of a round block of the present utility model in a three-dimensional manner.

Reference numerals illustrate:

1. a cable body; 2. a protective device; 3. an auxiliary device; 21. a first guard block; 22. a second guard block; 23. rectangular blocks; 24. a threaded hole; 25. a bolt; 26. a groove; 27. a nut; 28. a rubber block; 31. round blocks; 32. a round hole; 33. an anti-slip bump; 34. a limit groove; 35. and a limiting block.

Detailed Description

Referring to fig. 1-4, this embodiment discloses a fireproof cable, including cable body 1, the surface of cable body 1 is provided with protector 2, the surface of cable body 1 is provided with auxiliary device 3, protector 2 includes first protection piece 21, second protection piece 22, four bolts 25 and four nuts 27, the inner wall size of first protection piece 21 and second protection piece 22 all with the surface size looks adaptation of cable body 1, the both ends of first protection piece 21 and second protection piece 22 all fixedly connected with rectangle piece 23, screw hole 24 has been seted up to one side symmetry of rectangle piece 23, the inner wall screw size and the shape of screw hole 24 and the surface screw size and the shape looks adaptation of bolt 25. When the circuit is pulled on a very long road section, a plurality of cable bodies 1 are required to be connected, after copper wires in the cable bodies 1 are connected together, the cable bodies 1 can be manually clamped by the first protection block 21 and the second protection block 22 from two sides of the connection part, the inner wall of the cable bodies is tightly attached to the surfaces of the cable bodies 1, then bolts 25 are manually screwed into threaded holes 24 in the first protection block 21, the bolts are screwed into threaded holes 24 in the second protection block 22, the connection joint of the cable bodies 1 is covered by the first protection block 21 and the second protection block 22, and then the connection joint of the cable bodies 1 is fixedly limited, so that the connection joint of the cable bodies 1 is clamped, and the copper wires are covered under the condition that electric shock is not easy to occur.

Referring to fig. 2, this embodiment discloses that the top of the bolt 25 is provided with a groove 26, and the groove 26 is hexagonal. When the bolt 25 is small, it is inconvenient to manually screw it, and a corresponding screwing tool can be used to insert it into the groove 26 for rotation, so that the bolt 25 can be conveniently screwed into the threaded hole 24. The inner wall threads of the nut 27 are sized and shaped to fit the outer surface threads of the bolt 25, and the nut 27 is disposed at the end of the bolt 25 remote from the recess 26. When the first protection block 21 and the second protection block 22 are fixedly limited outside the joint of the cable body 1 by using the bolts 25, the first protection block 21 and the second protection block 22 can be fixedly limited together by screwing the nuts 27 on one ends of the bolts 25.

Referring to fig. 2, this embodiment discloses that the inner walls of the first protection block 21 and the second protection block 22 are fixedly connected with a rubber block 28, and the longitudinal section of the rubber block 28 is arc-shaped. When the first protection block 21 and the second protection block 22 cover the interface of the cable body 1 for protection, the rubber block 28 plays an insulating effect between the first protection block 21 and the second protection block 22, and further protects copper wires inside the cable body 1.

Referring to fig. 3 and 4, this embodiment discloses that the auxiliary device 3 includes a round block 31, a round hole 32 is formed on one side of the round block 31, and the size and shape of the inner wall of the round hole 32 are matched with those of the outer surface of the cable body 1. After the cable body 1 is exposed to the air for a long time, the surface insulating skin of the cable body 1 is easy to corrode and crack, and the surface of the cable body 1 is increased and one layer of protective sleeve is arranged by passing the cable body 1 through the round hole 32 on the round block 31, so that the surface of the cable body 1 is not easy to corrode and crack.

Referring to fig. 3 and 4, the present embodiment discloses that the outer surface of the round block 31 is fixedly connected with a plurality of anti-skid bumps 33, and the plurality of anti-skid bumps 33 are arranged at equal intervals. By providing the anti-slip bump 33, the friction force on the surface of the round block 31 can be increased, and when the cable body 1 is manually inserted into the round hole 32 on the round block 31, the round block 31 can be made not to slide easily manually when the surface of the round block 31 is manually held. The limiting groove 34 is formed in the inner wall of the round hole 32, a plurality of limiting blocks 35 are fixedly connected to the outer surface of the cable body 1, and the size and shape of the inner wall of the limiting groove 34 are matched with those of the outer surface of the limiting blocks 35. When the limiting block 35 is clamped into the limiting groove 34, the cable body 1 is not easy to rotate after being penetrated into the round hole 32 on the round block 31.

The working principle is as follows: when a circuit is pulled on a long road section, a plurality of cable bodies 1 are required to be connected, after copper wires in the cable bodies 1 are connected together, the cable bodies 1 can be manually clamped by the first protective block 21 and the second protective block 22 from two sides of the connection part, the inner wall of the cable bodies and the inner wall of the rubber block 28 are tightly attached to the surface of the copper wires at the joint of the cable bodies 1, then the cable bodies are manually screwed by using a screwing tool with a corresponding shape to insert the cable bodies into the grooves 26, the bolts 25 can be screwed into the threaded holes 24 on the first protective block 21 to be screwed into the threaded holes 24 on the second protective block 22, then the nuts 27 are screwed onto the outer surface of one end of the bolts 25, the joint of the cable bodies 1 is covered by the first protective block 21 and the second protective block 22, and then the joint of the cable bodies 1 is fixedly limited together, so that the joint of the cable bodies 1 is tightly clamped, and the copper wires are covered to be difficult to generate electric leakage.

The cable body 1 is exposed in the air for a long time, the surface insulation skin of the cable body 1 is easy to corrode and crack, and the surface of the cable body 1 is increased and one layer of protective sleeve is arranged by penetrating the cable body 1 and the limiting block 35 from the round hole 32 and the limiting groove 34 on the round block 31 respectively, so that the surface of the cable body 1 is not easy to corrode and crack.

Claims (7)

1. Fireproof cable, including cable body (1), its characterized in that: the cable is characterized in that a protecting device (2) is arranged on the outer surface of the cable body (1), an auxiliary device (3) is arranged on the outer surface of the cable body (1), the protecting device (2) comprises a first protecting block (21), a second protecting block (22), four bolts (25) and four nuts (27), the inner wall sizes of the first protecting block (21) and the second protecting block (22) are matched with the outer surface size of the cable body (1), rectangular blocks (23) are fixedly connected to the two ends of the first protecting block (21) and the two ends of the second protecting block (22), threaded holes (24) are symmetrically formed in one side of each rectangular block (23), and the inner wall thread sizes and the shapes of the threaded holes (24) are matched with the outer surface thread sizes and the shapes of the bolts (25).

2. The fire resistant cable according to claim 1, characterized in that: the top of bolt (25) has seted up recess (26), recess (26) are the hexagon.

3. The fire resistant cable according to claim 2, characterized in that: the size and the shape of the inner wall threads of the nut (27) are matched with those of the outer surface threads of the bolt (25), and the nut (27) is arranged at one end, far away from the groove (26), of the bolt (25).

4. The fire resistant cable according to claim 1, characterized in that: rubber blocks (28) are fixedly connected to the inner walls of the first protection block (21) and the second protection block (22), and the longitudinal section of each rubber block (28) is arc-shaped.

5. The fire resistant cable according to claim 1, characterized in that: the auxiliary device (3) comprises a round block (31), a round hole (32) is formed in one side of the round block (31), and the size and shape of the inner wall of the round hole (32) are matched with the size and shape of the outer surface of the cable body (1).

6. The fire resistant cable according to claim 5, characterized in that: the outer surface of the round block (31) is fixedly connected with a plurality of anti-slip convex blocks (33), and the anti-slip convex blocks (33) are equidistantly arranged.

7. The fire resistant cable according to claim 5, characterized in that: limiting grooves (34) are formed in the inner walls of the round holes (32), a plurality of limiting blocks (35) are fixedly connected to the outer surface of the cable body (1), and the size and the shape of the inner walls of the limiting grooves (34) are matched with the size and the shape of the outer surfaces of the limiting blocks (35).