CN211239302U

CN211239302U - Waterproof joint of cable

Info

Publication number: CN211239302U
Application number: CN201922244237.5U
Authority: CN
Inventors: 高金秋; 焦玉涛; 赵洋; 马博翔
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-11
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a cable water joint, include: the high-pressure pipe fitting is provided with a first connecting part at a first end and a second connecting part at a second end; the first end of the first nut is provided with a third connecting part, and the second end of the first nut is provided with an inward first flanging; the first end of the second nut is provided with a fourth connecting part, and the second end of the second nut is provided with an inward second flanging; the first connecting portion is matched with the third connecting portion, and the second connecting portion is matched with the fourth connecting portion. The technical scheme of the utility model the problem of wasting time and energy when having solved the cable junction among the prior art effectively.

Description

Waterproof joint of cable

Technical Field

The utility model relates to a cable water joint's technical field particularly, relates to a cable water joint.

Background

At present, the connection of a well lid and a bus in a tunnel needs to be in butt joint in a waterproof junction box, and glue pouring, sealing, protection and other processes are needed when the well lid is installed and maintained; because the waterproof junction box needs to be installed on the well wall, construction and maintenance at every time need constructors to operate on the crawling ladder after going into the well, and certain safety risks exist. Constructors need utilize professional equipment to detect and discharge harmful gas in the pit, take out well head position ponding when being under construction, and these have all caused very big influence to construction safety, efficiency and construction cost.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cable water joint to solve the problem of wasting time and energy when connecting cables among the prior art.

In order to achieve the above object, the utility model provides a cable water joint, include: the high-pressure pipe fitting is provided with a first connecting part at a first end and a second connecting part at a second end; the first end of the first nut is provided with a third connecting part, and the second end of the first nut is provided with an inward first flanging; the first end of the second nut is provided with a fourth connecting part, and the second end of the second nut is provided with an inward second flanging; the first connecting portion is matched with the third connecting portion, and the second connecting portion is matched with the fourth connecting portion.

Further, cable water joint still includes first plastic-coated hose coupling and first seal cover, and the circumference outside of first plastic-coated hose coupling has first bulge loop, and first turn-ups cooperatees with first bulge loop, and first seal cover is supported and is pushed up between high-pressure pipe fitting and first plastic-coated hose coupling.

Further, the first end of the first plastic-coated hose connector is provided with a first step surface and a second step surface, the first step surface is located inside the first end of the first plastic-coated hose connector and is lower than the first end of the first plastic-coated hose connector, the second step surface is located outside the first end of the first plastic-coated hose connector and is lower than the first end of the first plastic-coated hose connector, the inner wall of the first nut is provided with a third step surface, the third step surface and the second step surface are pressed in a sealing mode, and the first step surface and the end portion of the first plastic-coated hose are pressed in a sealing mode.

Further, the second end of the first sealing sleeve is provided with a fourth step surface, the inner wall of the first end of the high-pressure pipe fitting is provided with a fifth step surface, and the fourth step surface and the fifth step surface are in sealing abutting joint.

Further, the cable waterproof connector further comprises a second plastic-coated hose connector and a second sealing sleeve, a second convex ring is arranged on the circumferential outer side of the second plastic-coated hose connector, a second flanging is matched with the second convex ring, and the second sealing sleeve supports against between the high-pressure pipe fitting and the second plastic-coated hose connector.

Further, the first end of the second plastic-coated hose connector is provided with a sixth step surface and a seventh step surface, the sixth step surface is located inside the first end of the second plastic-coated hose connector and is lower than the first end of the second plastic-coated hose connector, the seventh step surface is located outside the first end of the second plastic-coated hose connector and is lower than the first end of the second plastic-coated hose connector, the inner wall of the second nut is provided with an eighth step surface, the eighth step surface and the seventh step surface are pressed in a sealing mode, and the sixth step surface and the end portion of the second plastic-coated hose are pressed in a sealing mode.

Furthermore, the second end of the second sealing sleeve is provided with a ninth step surface, the inner wall of the second end of the high-pressure pipe fitting is provided with a tenth step surface, and the ninth step surface and the tenth step surface are hermetically abutted against each other

Further, the first end of the first nut to the second end of the first nut has a diameter reduction section, and the diameter of the first end of the first nut is larger than that of the second end of the first nut.

Further, the first end of the second nut to the second end of the second nut has a diameter reduction section, and the diameter of the first end of the second nut is larger than that of the second end of the second nut.

Further, first connecting portion are the external screw thread, and the third connecting portion are the internal thread, and the second connecting portion are the external screw thread, and the fourth connecting portion are the internal thread.

Use the technical scheme of the utility model, high-pressure pipe fitting and first nut and second nut sealing connection, a joint of cable is worn in first nut, and another joint is worn in the second nut, makes the cable have fine water-proof effects when connecting like this, and above-mentioned structural connection is convenient moreover, connection efficiency is higher. The technical scheme of the utility model the problem of wasting time and energy when having solved the cable junction among the prior art effectively.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a cable watertight joint according to the present invention;

FIG. 2 shows a schematic cross-sectional view of the watertight joint of the cable of FIG. 1; and

fig. 3 shows a schematic cross-sectional view of the first sealing boot of the cable gland of the figure.

Wherein the figures include the following reference numerals:

10. a high pressure pipe fitting; 20. a first nut; 30. a second nut; 40. a first plastic-coated hose joint; 50. a first seal cartridge; 51. a first step surface; 52. a second step surface; 53. a fourth step surface; 60. a second plastic-coated hose joint; 70. and a second sealing sleeve.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 3, the waterproof cable joint of the present embodiment includes: the high pressure pipe member 10, the first nut 20 and the second nut 30, a first end of the high pressure pipe member 10 has a first connection portion, and a second end of the high pressure pipe member 10 has a second connection portion. The first end of the first nut 20 has a third coupling portion and the second end of the first nut 20 has an inwardly directed first flange. The first end of the second nut 30 has a fourth coupling portion and the second end of the second nut 30 has an inwardly directed second flange. The first connecting portion is matched with the third connecting portion, and the second connecting portion is matched with the fourth connecting portion.

Use the technical scheme of this embodiment, high-pressure pipe fitting and first nut and second nut sealing connection, a joint of cable is worn in first nut, and another joint is worn in the second nut, makes like this that the cable has fine water-proof effects when connecting, and above-mentioned structural connection is convenient moreover, connection efficiency is higher. The technical scheme of this embodiment has solved the problem that wastes time and energy when cable junction among the prior art effectively.

As shown in fig. 1 to fig. 3, in the technical solution of this embodiment, the cable waterproof connector further includes a first plastic-coated hose joint 40 and a first sealing sleeve 50, a first convex ring is provided on a circumferential outer side of the first plastic-coated hose joint 40, a first flange is matched with the first convex ring, and the first sealing sleeve 50 abuts against between the high-pressure pipe 10 and the first plastic-coated hose joint 40. The structure has lower processing cost and convenient operation. First turn-ups is confined annular, is provided with sealed the pad between first turn-ups and the first bulge loop, can prevent like this to exert oneself the destruction between too big first turn-ups and the first bulge loop that arouses, has played fine sealed effect simultaneously.

As shown in fig. 1 to 3, in the technical solution of the present embodiment, the first end of the first plastic-coated hose joint 40 has a first step surface 51 and a second step surface 52, the first step surface 51 is located inside the first end of the first plastic-coated hose joint 40 and lower than the first end of the first plastic-coated hose joint 40, the second step surface 52 is located outside the first end of the first plastic-coated hose joint 40 and lower than the first end of the first plastic-coated hose joint 40, the inner wall of the first nut 20 has a third step surface, the third step surface sealingly abuts against the second step surface 52, and the first step surface 51 sealingly abuts against the end of the first plastic-coated hose. The structure has the advantages of low processing cost, good matching effect and good sealing effect. It should be noted that the first sealing sleeve 50 has a certain elasticity.

As shown in fig. 1 to 3, in the technical solution of the present embodiment, the second end of the first sealing sleeve 50 has a fourth step surface 53, the inner wall of the first end of the high-pressure pipe 10 has a fifth step surface, and the fourth step surface 53 and the fifth step surface are sealingly pressed against each other. The structure has the advantages of low processing cost and good sealing effect.

As shown in fig. 1 to fig. 3, in the technical solution of this embodiment, the cable waterproof connector further includes a second plastic-covered hose connector 60 and a second sealing sleeve 70, a second convex ring is provided on the circumferential outer side of the second plastic-covered hose connector 60, a second flange is matched with the second convex ring, and the second sealing sleeve 70 abuts against between the high-pressure pipe 10 and the second plastic-covered hose connector 60. The structure has the advantages of low processing cost and good sealing effect. The second flanging is in a closed ring shape, and a sealing gasket is arranged between the second flanging and the second convex ring.

As shown in fig. 1 to 3, in the technical solution of this embodiment, the first end of the second plastic-coated hose connector 60 has a sixth step surface and a seventh step surface, the sixth step surface is located inside the first end of the second plastic-coated hose connector 60 and is lower than the first end of the second plastic-coated hose connector 60, the seventh step surface is located outside the first end of the second plastic-coated hose connector 60 and is lower than the first end of the second plastic-coated hose connector 60, the inner wall of the second nut 30 has an eighth step surface, the eighth step surface and the seventh step surface are pressed in a sealing manner, and the sixth step surface and the end of the second plastic-coated hose are pressed in a sealing manner. The sealing effect of the structure is better, and the processing cost is lower.

As shown in fig. 2, in the technical solution of the present embodiment, the second end of the second sealing sleeve 70 has a ninth step surface, the inner wall of the second end of the high-pressure pipe 10 has a tenth step surface, and the ninth step surface and the tenth step surface are pressed against each other in a sealing manner. The structure has the advantages of low processing cost, convenient operation and good sealing effect.

As shown in fig. 1, in the solution of the present embodiment, a diameter contraction section is provided from the first end of the first nut 20 to the second end of the first nut 20, and the diameter of the first end of the first nut 20 is larger than the diameter of the second end of the first nut 20. The first nut 20 with the structure saves materials and has compact structure.

As shown in fig. 1, in the solution of the present embodiment, a diameter from the first end of the second nut 30 to the second end of the second nut 30 is reduced, and the diameter of the first end of the second nut 30 is larger than the diameter of the second end of the second nut 30. The structure has lower processing cost and convenient disassembly and assembly.

As shown in fig. 2, in the technical solution of this embodiment, the first connection portion is an external thread, the third connection portion is an internal thread, the second connection portion is an external thread, and the fourth connection portion is an internal thread. The structure has lower processing cost and convenient operation.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable watertight connector, comprising:

a high-pressure pipe fitting (10), a first end of the high-pressure pipe fitting (10) is provided with a first connecting part, and a second end of the high-pressure pipe fitting (10) is provided with a second connecting part;

a first nut (20), a first end of the first nut (20) is provided with a third connecting part, and a second end of the first nut (20) is provided with a first inward flange;

a second nut (30), a first end of the second nut (30) is provided with a fourth connecting part, and a second end of the second nut (30) is provided with a second inward flange;

the first connecting portion is matched with the third connecting portion, and the second connecting portion is matched with the fourth connecting portion.

2. The waterproof cable joint of claim 1, further comprising a first plastic-coated hose joint (40) and a first sealing sleeve (50), wherein a first convex ring is arranged on the circumferential outer side of the first plastic-coated hose joint (40), the first flange is matched with the first convex ring, and the first sealing sleeve (50) abuts against between the high-pressure pipe (10) and the first plastic-coated hose joint (40).

3. The waterproof cable joint according to claim 2, wherein the first end of the first plastic-coated hose joint (40) is provided with a first step surface (51) and a second step surface (52), the first step surface (51) is located inside the first end of the first plastic-coated hose joint (40) and lower than the first end of the first plastic-coated hose joint (40), the second step surface (52) is located outside the first end of the first plastic-coated hose joint (40) and lower than the first end of the first plastic-coated hose joint (40), the inner wall of the first nut (20) is provided with a third step surface, the third step surface is in sealing abutting pressure with the second step surface (52), and the first step surface (51) is in sealing abutting pressure with the end of the first plastic-coated hose.

4. A cable gland according to claim 3, wherein the second end of the first gland (50) has a fourth step surface (53) and the inner wall of the first end of the high pressure tube (10) has a fifth step surface, the fourth step surface (53) and the fifth step surface sealingly abutting.

5. The waterproof cable joint of claim 2, further comprising a second plastic-covered hose joint (60) and a second sealing sleeve (70), wherein a second convex ring is arranged on the circumferential outer side of the second plastic-covered hose joint (60), the second flange is matched with the second convex ring, and the second sealing sleeve (70) abuts against between the high-pressure pipe (10) and the second plastic-covered hose joint (60).

6. The waterproof cable joint according to claim 5, wherein the first end of the second plastic-coated hose joint (60) has a sixth step surface and a seventh step surface, the sixth step surface is located inside the first end of the second plastic-coated hose joint (60) and lower than the first end of the second plastic-coated hose joint (60), the seventh step surface is located outside the first end of the second plastic-coated hose joint (60) and lower than the first end of the second plastic-coated hose joint (60), the inner wall of the second nut (30) has an eighth step surface, the eighth step surface sealingly abuts against the seventh step surface, and the sixth step surface sealingly abuts against the end of the second plastic-coated hose.

7. The cable gland according to claim 6, wherein the second end of the second sealing boot (70) has a ninth step surface, the inner wall of the second end of the high pressure pipe member (10) has a tenth step surface, and the ninth step surface and the tenth step surface are sealingly pressed against each other.

8. The cable gland according to claim 1, characterized in that a first end of said first nut (20) to a second end of said first nut (20) has a diameter reduction, the diameter of said first end of said first nut (20) being larger than the diameter of said second end of said first nut (20).

9. The cable gland according to claim 1, characterized in that a first end of said second nut (30) to a second end of said second nut (30) has a diameter reduction, the diameter of said first end of said second nut (30) being larger than the diameter of said second end of said second nut (30).

10. The waterproof cable joint of claim 1, wherein the first connection portion is an external thread, the third connection portion is an internal thread, the second connection portion is an external thread, and the fourth connection portion is an internal thread.