CN210898459U

CN210898459U - High-performance moisture-proof cable

Info

Publication number: CN210898459U
Application number: CN201921895560.2U
Authority: CN
Inventors: 李伟群; 李明德
Original assignee: Jiangxi Guangtong Cable Co ltd
Current assignee: Jiangxi Guangtong Cable Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-30
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a high performance moisture resistant cable relates to the cable field, including the protection tube, be provided with first connector ring and second go-between two protection tubes, first connector ring and second go-between symmetry set up, the equal spacing pipe of fixedly connected with in one side that first connector ring and second go-between carried on the back mutually, and spacing pipe is located the inside of protection tube, at least one snap ring has been cup jointed to spacing pipe's outer wall is fixed, all be ring array on first connector ring and the second go-between and seted up at least three through-hole, the slip interlude is connected with the bolt in the inner chamber of two through-holes, the nut has been cup jointed to the one end screw thread of bolt. The utility model discloses utilize first go-between and second go-between matched with mode of setting, fix through the relative position between with first go-between and second go-between, and then accomplish the assembly between two protection tubes, greatly avoid the cracked condition of two protection tube junctions, make the junction of two protection tubes more stable.

Description

High-performance moisture-proof cable

Technical Field

The utility model relates to a cable field, in particular to high performance moisture resistant cable.

Background

The wire cable in a broad sense is also referred to as a cable for short, and the cable in a narrow sense means an insulated cable. It can be defined as an aggregate consisting of: one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation. In the connection of the cable outer sheath, the traditional technology generally uses an adhesive for connection, the connection is fixed in an extremely low stability mode, when the cable is buried in soil for years, the decomposition of the adhesive can be accelerated due to the corrosion action of soil and stones, so that the viscosity of the adhesive is reduced, and the fracture of the connection part of the two outer sheaths is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high performance moisture resistant cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high performance moisture resistant cable, includes the protection tube, two be provided with first go-between and second go-between the protection tube, first go-between and second go-between symmetry set up, the equal spacing pipe of fixedly connected with in one side that first go-between and second go-between carried on the back mutually, just spacing pipe is located the inside of protection tube, at least one snap ring has been cup jointed to the outer wall of spacing pipe fixed, the draw-in groove with snap ring matched with has been seted up to the inner wall of protection tube, all be ring array on first go-between and the second go-between and seted up at least three through-hole, two the slip interlude is connected with the bolt in the inner chamber of through-hole, the nut has been cup jointed to the one.

Preferably, the protection tube comprises a first rubber layer, an insulating layer and a second rubber layer, the insulating layer is fixedly sleeved on the inner wall of the first rubber layer, and the second rubber layer is fixedly sleeved on the inner wall of the insulating layer.

Preferably, one side of the first connecting ring, which is far away from the limiting pipe, is fixedly connected with a sealing ring, and the second connecting ring is provided with a groove matched with the sealing ring.

Preferably, one side of the sealing ring is connected with a rubber ring in an adhesive manner through an adhesive, and one side of the rubber ring is attached to the inner wall of the groove.

Preferably, the first connecting ring and the second connecting ring are connected with at least six positioning pins in an annular array in a sliding and penetrating mode, the positioning pins are located inside the bolts, and one ends of the positioning pins are connected with the first rubber layer in a penetrating mode.

Preferably, the other end of the positioning needle is fixedly connected with a limiting block, and the first connecting ring and the second connecting ring are both provided with a notch matched with the limiting block.

Preferably, a cable main body is arranged in the inner cavity of the protection tube, fine sand is filled in the protection tube, and the fine sand is positioned outside the cable main body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses utilize first go-between and second go-between matched setting mode, through making the snap ring on the second go-between cooperate into the inner chamber of draw-in groove, through the nut screw thread cover in the one end of bolt, thereby fix the relative position between first go-between and second go-between, and then accomplish the assembly between two protection tubes, greatly avoid the condition that two protection tube junctions are cracked, make the junction of two protection tubes more stable;

2. the utility model discloses utilize sealing ring and rubber circle matched with mode of setting, the relative position that cooperation through between sealing ring and the recess made first go-between and second go-between is more stable, avoids appearing the relative slip's the condition between first go-between and the second go-between, through the laminating each other of rubber circle and recess inner wall, is convenient for strengthen the leakproofness of connecting between two protection tubes.

Drawings

Fig. 1 is a schematic view of the internal structure of the protection tube of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the structure of the positioning pin of the present invention.

Fig. 4 is a schematic view of the structure of the sealing ring of the present invention.

In the figure: 1. protecting the tube; 101. a first rubber layer; 102. an insulating layer; 103. a second rubber layer; 2. a first connecting ring; 3. a second connection ring; 4. a limiting pipe; 5. a snap ring; 6. a card slot; 7. a through hole; 8. a bolt; 9. a nut; 10. a seal ring; 11. a rubber ring; 12. a positioning pin; 13. a limiting block; 14. grooving; 15. a cable body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a high performance moisture resistant cable as shown in fig. 1-4, including protection tube 1, protection tube 1 includes first rubber layer 101, insulating layer 102 and second rubber layer 103, insulating layer 102 is fixed cup joints in the inner wall of first rubber layer 101, the fixed inner wall that cup joints in insulating layer 102 of second rubber layer 103, the outer wall on first rubber layer 101 scribbles anticorrosive coating, can prevent the rotting of first rubber layer 101 to a certain extent, the material of insulating layer 102 is glass fiber, there is certain insulating effect, can prevent that cable main part 15 from taking place the condition of electric leakage, second rubber layer 103 has certain elasticity, can make things convenient for in 5 joint of snap ring to advance the inner chamber of draw-in groove 6.

Be provided with first go-between 2 and second go-between 3 between two protection tubes 1, one side fixedly connected with sealing ring 10 of spacing pipe 4 is kept away from to first go-between 2, set up the recess with sealing ring 10 matched with on the second go-between 3, one side of sealing ring 10 is connected with rubber circle 11 through the adhesive bonding, one side of rubber circle 11 is laminated with the inner wall of recess mutually, the relative position that cooperation through between sealing ring 10 and the recess made first go-between 2 and second go-between 3 is more stable, avoid appearing the condition of relative slip between first go-between 2 and the second go-between 3, through the laminating each other of rubber circle 11 and recess inner wall, be convenient for strengthen the leakproofness of connecting between two protection tubes 1.

First go-between 2 and the symmetrical setting of second go-between 3, first go-between 2 and the equal fixedly connected with spacing pipe 4 in one side that second go-between 3 carried on the back mutually, and spacing pipe 4 is located the inside of protection tube 1, and at least one snap ring 5 has been cup jointed to the outer wall of spacing pipe 4 fixed, and protection tube 1's inner wall has been seted up with snap ring 5 matched with draw-in groove 6.

All be annular array slip interlude and be connected with six at least pilot pins 12 on first go-between 2 and the second go-between 3, and pilot pin 12 is located the inside of bolt 8, the one end and the first rubber layer 101 interlude of pilot pin 12 are connected, inject the pilot pin 12 into the inside on first rubber layer 101, be convenient for prescribe a limit to the relative position between protection tube 1 and the first go-between 2, make the junction between two protection tubes 1 difficult emergence crooked, make protection tube 1 can keep with the laminating relation between first go-between 2 and the second go-between 3, thereby guarantee the leakproofness of being connected between protection tube 1 and first go-between 2 and the second go-between 3, the other end fixedly connected with stopper 13 of pilot pin 12, all set up on first go-between 2 and the second go-between 3 and have the fluting 14 with stopper 13 matched with.

All be annular array on first go-between 2 and the second go-between 3 and seted up at least three through-hole 7, the slip interlude is connected with bolt 8 in the inner chamber of two through-holes 7, and the one end screw thread of bolt 8 has cup jointed nut 9, and through with the nut 9 screw thread cover in the one end of bolt 8, can fix the relative position between first go-between 2 and the second go-between 3.

Be provided with cable main part 15 in the inner chamber of protection tube 1, the inside packing of protection tube 1 has fine sand, and fine sand not only has fire-retardant insulating effect, and fine sand has certain dampproofing function that absorbs water moreover to can prevent cable main part 15's humidity electric leakage, and fine sand is located cable main part 15's outside.

This practical theory of operation:

when two protection tubes 1 are connected, firstly, the limiting tube 4 on the first connecting ring 2 is inserted into the inner cavity of one protection tube 1, then the first connecting ring 2 is pushed inwards, the first connecting ring 2 drives the limiting tube 4 to move towards the inner cavity of the protection tube 1 until the snap ring 5 is matched into the inner cavity of the snap groove 6, the snap ring 5 on the second connecting ring 3 is matched into the inner cavity of the snap groove 6, so that the relative position of one protection tube 1 and the first connecting ring 2 is fixed, the relative position of the other protection tube 1 and the second connecting ring 3 is fixed, then the positioning needle 12 penetrates through the inner cavity of the notch 14 to penetrate into the inner part of the first rubber layer 101, the connection stability between the first connecting ring 2 and the second connecting ring 3 and the protection tube 1 is enhanced, then the sealing ring 10 is aligned with the inner cavity of the groove to move until the rubber ring 11 is mutually attached to the inner wall of the groove, then, after the bolt 8 penetrates through the inner cavities of the two through holes 7, the nut 9 is sleeved at one end of the bolt 8 in a threaded manner, so that the relative position between the first connecting ring 2 and the second connecting ring 3 is fixed, and the assembly of the two protection pipes 1 is completed.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A high performance moisture resistant cable comprising a protective tube (1), characterized in that: a first connecting ring (2) and a second connecting ring (3) are arranged between the two protection tubes (1), the first connecting ring (2) and the second connecting ring (3) are symmetrically arranged, one side of the first connecting ring (2) opposite to the other side of the second connecting ring (3) is fixedly connected with a limiting pipe (4), the limiting pipe (4) is positioned inside the protective pipe (1), the outer wall of the limiting pipe (4) is fixedly sleeved with at least one clamping ring (5), the inner wall of the protection tube (1) is provided with a clamping groove (6) matched with the clamping ring (5), the first connecting ring (2) and the second connecting ring (3) are both provided with at least three through holes (7) in an annular array, the inner cavities of the two through holes (7) are connected with bolts (8) in a sliding and penetrating manner, and one end of each bolt (8) is sleeved with a nut (9) in a threaded manner.

2. A high performance moisture resistant cable as recited in claim 1, wherein: the protective tube (1) comprises a first rubber layer (101), an insulating layer (102) and a second rubber layer (103), wherein the insulating layer (102) is fixedly sleeved on the inner wall of the first rubber layer (101), and the second rubber layer (103) is fixedly sleeved on the inner wall of the insulating layer (102).

3. A high performance moisture resistant cable as recited in claim 1, wherein: one side of the first connecting ring (2) far away from the limiting pipe (4) is fixedly connected with a sealing ring (10), and a groove matched with the sealing ring (10) is formed in the second connecting ring (3).

4. A high performance moisture resistant cable as claimed in claim 3, wherein: one side of the sealing ring (10) is connected with a rubber ring (11) through an adhesive in an adhesive mode, and one side of the rubber ring (11) is attached to the inner wall of the groove.

5. A high performance moisture resistant cable as recited in claim 1, wherein: all be annular array slip interlude and be connected with six at least pilot pins (12) on first go-between (2) and second go-between (3), just pilot pin (12) are located the inside of bolt (8), the one end and the first rubber layer (101) of pilot pin (12) are interlude and are connected.

6. A high performance moisture resistant cable as claimed in claim 5, wherein: the other end fixedly connected with stopper (13) of pilot pin (12), all seted up on first go-between (2) and second go-between (3) with stopper (13) matched with fluting (14).

7. A high performance moisture resistant cable as recited in claim 1, wherein: a cable main body (15) is arranged in an inner cavity of the protection tube (1), fine sand is filled in the protection tube (1), and the fine sand is located outside the cable main body (15).