CN217935055U - Waterproof and anti-breaking protection device for cable - Google Patents

Abstract

The utility model provides a protection device is prevented breaking by cable conductor is waterproof, including waterproof sheath, and the detachable of seal package in waterproof sheath prevents the structure of breaking, prevents that the structure of breaking includes three functional area at least, and wherein two are the in same direction as line passageway that is used for coiling the cable conductor to and be used for placing the butt joint of two cable conductors's butt joint region. The butt joint of two cables can be placed in the anti-snapping structure, so that a good anti-snapping effect is achieved on the cable joint, normal operation of equipment is guaranteed, and hidden danger is effectively reduced; and the anti-breaking structure is hermetically packaged in the waterproof sheath, so that the waterproof function of the cable connector is realized.

Description

Waterproof and anti-breaking protection device for cable

Technical Field

The utility model belongs to the technical field of the cable conductor, concretely relates to protection device is prevented breaking by cable conductor is waterproof.

Background

At present, equipment for transmitting electric power, electricity and communication signals and the like still needs to be installed on a construction site, and in actual engineering, due to the limitation of the length of a cable and the use requirement, an insulating tape is inevitably adopted to connect two cables, so that the cables are spliced into cables meeting the length requirement.

However, in some wet construction environments, the waterproof and moistureproof effects of the common insulating tape are poor, the cable joint is also easily broken, which affects the normal use of the equipment, and even damages the equipment in severe cases, causing irrecoverable economic loss, so that a waterproof and anti-breaking protection device for the cable joint is urgently needed to ensure the continuous and stable operation of the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof protection device that prevents breaking of cable conductor to overcome above-mentioned technical defect.

In order to solve the technical problem, the utility model provides a waterproof protector that breaks that prevents of cable conductor, including waterproof sheath, prevent the structure that breaks with the detachable of seal package in waterproof sheath, prevent that the structure that breaks includes three functional area at least, wherein two are the same direction as the line passageway that is used for coiling the cable conductor to and be used for placing the butt joint of two cable conductors' butt joint region.

Furthermore, the anti-snapping structure comprises a coiling box, wherein two consequent channels are coiled on the inner surface of the box bottom of the coiling box, namely a consequent channel A for coiling and clamping the cable A and a consequent channel B for coiling and clamping the cable B;

the box wall of the wire coiling box is provided with a plurality of wire threading holes for the cable to pass through.

Furthermore, the wire coiling box is of a hollow cylinder structure with an open top and a closed bottom, two retaining strips which are arc-shaped, have different radiuses and are concentrically arranged are fixed on the inner surface of the box bottom, the two retaining strips and the inner wall of the box bottom form two concentric fan rings, wherein the inner ring fan ring is used as an in-line channel A, and the outer ring fan ring is used as an in-line channel B;

the gap of the ring where the two barrier strips are located is used as a butt joint area.

Further, prevent breaking structure still includes that the cuff compresses tightly in the inhibition circle of cable conductor A and cable conductor B, and a plurality of inhibition circle passes through screw detachable to be fixed in the box bottom of coiling box, and the screw is passing the box bottom that the stopper was followed and run through the blend stop perpendicularly and was inserted the coiling box.

Furthermore, at least two threading holes are formed, namely a threading hole A for penetrating through the cable A and a threading hole B for penetrating through the cable B.

Furthermore, the outer wall of the open end of the top of the coiling box is provided with threads, and a gland is screwed on the open end of the top.

Furthermore, the waterproof jacket is a hollow tubular structure, the cavity of the hollow tube is sequentially a first straight tube section, a conical tube section, a spherical tube section and a second straight tube section, wherein the small-caliber end of the conical tube section is connected with the spherical tube section, and the wire coiling box is hermetically sealed in the spherical tube section;

all stopper in two straight tube sections is equipped with the rubber circle, and the outer wall of rubber circle is sealed hugs closely in the inner wall of straight tube section, and the center ring of rubber circle is sealed hugs closely in the cable conductor, and cable conductor A wears out from the center ring of one of them rubber circle, and cable conductor B wears out from the center ring of another rubber circle.

The utility model has the advantages as follows:

the utility model provides a waterproof anti-breaking protection device for cables, which comprises an anti-breaking structure, wherein a butt joint of two cables can be placed in the anti-breaking structure, a good anti-breaking effect is achieved on cable joints, normal operation of equipment is guaranteed, and hidden danger is effectively reduced; and the anti-breaking structure is sealed in the waterproof sheath, so that the waterproof sealing of the cable joint is realized.

In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of a waterproof anti-breaking protection device for a cable.

Fig. 2 is a schematic view of a snap-off prevention structure.

Fig. 3 is an exploded schematic view of the anti-snap structure.

Fig. 4 is a cross-sectional view taken along line P-P in fig. 3.

Fig. 5 is a schematic structural view of a waterproof sheath.

Fig. 6 is a sectional view of the waterproof and anti-pulling-off protection device for the cable line.

Description of reference numerals:

1. a waterproof sheath; 1.1 a first straight pipe section; 1.2 conical pipe section; 1.3 a spherical pipe section; 1.4 a second straight tube section; 1.5 rubber rings;

1.51 a first rubber ring; 1.52 a second rubber ring;

2. a snap-off prevention structure;

3. an in-line channel; 3.1, passing through a straight channel A;3.2, passing through a channel B;

4. a docking area;

5. coiling a box;

6. a cable conductor A;

7. a cable conductor B;

8. blocking strips;

9. a suppression ring;

10. a threading hole A;

11. a threading hole B;

12. and (7) pressing the cover.

Detailed Description

The following description is given for illustrative embodiments of the invention, and other advantages and effects of the invention will be apparent to those skilled in the art from the disclosure of the present invention.

It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the waterproof and anti-breaking cable protection device described in this specification.

The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of fully and completely disclosing the present invention and fully communicating the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same unit/element is denoted by the same reference numeral.

Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In addition, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their context in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.

The embodiment relates to a waterproof anti-breaking protection device for a cable, which comprises a waterproof sheath 1 and a detachable anti-breaking structure 2 hermetically packaged in the waterproof sheath 1, wherein the anti-breaking structure 2 at least comprises three functional areas, namely a front line channel 3 for coiling the cable and a butt joint area 4 for placing a butt joint of two cables, as shown in fig. 1.

The above-mentioned detachable means that the anti-breaking structure 2 can be detached from the waterproof jacket 1.

The main function of the anti-snapping structure 2 is to prevent the cable connector from snapping, and the cable connector is a butt connector of two cables, so that a receiving cavity is needed for the connector and the connector is protected from snapping, the butt area 4 in fig. 1 is a butt connector for placing two cables, and the two cables are coiled in the in-line channel 3.

In order to ensure normal/safe use of the cable connector in a humid environment, the embodiment further provides the waterproof sheath 1, and the waterproof sheath 1 is used to cover the anti-breaking structure 2, but it should be noted that after the two cables in the anti-breaking structure 2 are butted, the cables of the two cables respectively penetrate out of the waterproof sheath 1, and the cables at the penetrating positions still keep sealed with the waterproof sheath 1.

Referring to fig. 2, the anti-snapping structure 2 includes a coiling box 5, two following-line channels 3 are coiled on the inner surface of the box bottom of the coiling box 5, and are respectively used for coiling the following-line channel a3.1 for clamping the cable line A6 and the following-line channel B3.2 for clamping the cable line B7, after the two cable lines are coiled, the two cable lines need to penetrate out of the coiling box 5, and therefore, a plurality of threading holes for the cable lines to penetrate through are formed in the box wall of the coiling box 5.

As shown in fig. 3, the wire coiling box 5 is a hollow cylinder structure with an open top and a closed bottom, two concentric barrier strips 8 with different radii are fixed on the inner surface of the box bottom, and referring to fig. 2, the two barrier strips 8 and the inner wall of the box bottom form two concentric fan-shaped rings, wherein the inner ring fan-shaped ring is used as an in-line channel a3.1, i.e. a space between the two barrier strips 8, and the outer ring fan-shaped ring is used as an in-line channel B3.2, i.e. a space between the box bottom and the wall of the box (side) and the outer ring barrier strip 8.

The circle center close to the box bottom of the wire coiling box 5 is the inner ring fan ring, and the circle center far away is the outer ring fan ring.

The sector ring can also be understood as a part of a circular ring which is truncated by a sector.

The barrier strip 8 has the function of forming the following channel A3.1 or the following channel B3.2 and the function of separating the two cables.

In the present embodiment, the barrier 8 is fixed to the inner surface of the bottom of the winding box 5, but in actual use, the position of the barrier 8 can be adjusted according to the diameter of the cable and the ease of winding.

The gap of the ring where the two barrier strips 8 are located serves as a butt-joint area 4, and the cable connector is located in the butt-joint area 4.

As shown in fig. 2, the anti-snapping structure 2 further includes a plurality of restraining rings 9, wherein the hoops are pressed against the cable wires A6 and B7, the restraining rings 9 are detachably fixed to the bottom of the box of the wire coiling box 5 through screws, and the screws vertically penetrate through the blocking strip 8 after penetrating through the restraining rings 9 and are inserted into the bottom of the box of the wire coiling box 5.

After being coiled in following line passageway A3.1 or following line passageway B3.2 when the cable conductor, even there is the spacing of blend stop 8, because the flexible characteristic of cable conductor, the problem that the roll-off was followed line passageway still easily takes place for the cable conductor, therefore this embodiment adopts restraint ring 9 to carry out the secondary spacing with the cable conductor clamp.

As shown in fig. 1, two are seted up to the through wires hole, are the through wires hole a10 that is used for running through cable conductor A6 and the through wires hole B11 that is used for running through cable conductor B7 respectively, that is to say, cable conductor A6 can be worn out from through wires hole a10, and cable conductor B7 can be worn out from through wires hole B11, specifically as follows:

if the two cables are in the same plane in the wire coiling box 5, the two cables may not pass through the wire coiling box 5, and in order to avoid this situation, the embodiment may adopt the structure shown in fig. 4, that is, the filling material is filled in the in-line channel, the height of the in-line channel (or called thickness, which refers to the height from the bottom of the box to the highest surface of the filling material) is changed, and then the cables are placed on the filling material, as shown in fig. 4, the two cables have a height difference, and in order to enable the cables to pass through the wire coiling box 5 smoothly, the position of the threading hole may also be changed.

The position of the restraining ring 9 can be set by itself, the position near the threading hole is optimized in the embodiment, and the fact that the cable in front of the threading hole is still limited in the threading channel is guaranteed.

The outer wall of the top opening end of the coiling box 5 is provided with threads, and a gland 12 is screwed on the top opening end.

The coiling box 5 is made of transparent hard plastic, and the gland 12 and the coiling box 5 are matched to form a complete closed shell.

The waterproof sheath 1 is a hollow tubular structure, and the cavity of the hollow tube is sequentially a first straight tube section 1.1, a taper tube section 1.2, a spherical tube section 1.3 and a second straight tube section 1.4, wherein the small-caliber end of the taper tube section 1.2 is connected with the spherical tube section 1.3, that is, the inner diameters of the hollow tubes are different, which is specifically referred to fig. 5.

The anti-breaking structure 2 is pushed into the spherical pipe section 1.3 through the open end of the first straight pipe section 1.1 of the waterproof jacket 1, so that the diameter of the first straight pipe section 1.1 is larger than that of the second straight pipe section 1.4, and the diameter of the second straight pipe section 1.4 is small, so that the waterproof and sealing are ensured.

As shown in fig. 5, the diameter of the conical pipe section 1.2 is gradually reduced from left to right, and the sealing effect of water and seepage prevention is also considered.

The wire coiling box 5 is hermetically encapsulated in the spherical pipe section 1.3.

Referring to fig. 5, all stopper in two straight tube sections and being equipped with rubber circle 1.5, the outer wall of rubber circle 1.5 is sealed hugs closely in the inner wall of straight tube section, and the central ring of rubber circle 1.5 is sealed hugs closely in the cable conductor, and cable conductor A6 wears out from the central ring of one of them rubber circle 1.5, and cable conductor B7 wears out from the central ring of another rubber circle 1.5.

Specifically, as shown in fig. 6, the rubber ring 1.5 includes a first rubber ring 1.51 disposed in the first straight pipe section 1.1 and a second rubber ring 1.52 disposed in the second straight pipe section 1.4, the cable A6 is led out from the central ring of the first rubber ring 1.51, and the cable B7 is led out from the central ring of the second rubber ring 1.52.

To ensure the tightness, the inner diameter of the rubber ring 1.5 is slightly smaller than the outer diameter of the cable.

The waterproof sheath 1 is made of transparent soft plastic, is transparent and visible and has slight elasticity.

Referring to fig. 6, the cable waterproof and anti-breaking protection device provided by the embodiment is used as follows:

firstly, the joints and the vicinity of the cables B7 and A6 are wiped clean, and oil stains or dust are removed, so that the degree of adhesion between an insulating tape and the cables can be ensured, the cable joints are connected more firmly, and the cable joints cannot be disconnected due to light dragging;

then, the second rubber ring 1.52 is taken to penetrate through the joint end of the cable B7, the second rubber ring 1.52 is kept away from the joint end, the joint end of the rear-held cable B7 sequentially penetrates through the second straight pipe section 1.4 and the first straight pipe section 1.1, the second rubber ring 1.52 is adjusted to be placed in the second straight pipe section 1.4, the cable B7 can be tightly wrapped by the second rubber ring 1.52, and the possibility of water seepage of a gap between the second rubber ring 1.52 and the cable can be reduced due to the fact that the second rubber ring 1.52 with a certain length can be used for reducing the possibility of water seepage of the gap between the second rubber ring and the cable;

the joint end of the cable B7 is passed through a threading hole B11 of the coiling box 5, enters a crossline channel B3.2, then passes through a restraining ring 9 on the crossline channel B3.2, so that the joint of the cable B7 extends to a gap (namely a butt joint area 4) of the crossline channel B3.2, and at the moment, the cable at the gap needs to be ensured to have enough length but not to exceed 2/3 of the arc length of the gap, thereby not only ensuring enough operation length when connecting a subsequent joint, but also avoiding excessively long residual after the joint is connected;

the first rubber ring 1.51 is taken to penetrate through the joint end of the cable A6, the first rubber ring 1.51 is kept away from the joint end, the joint end of the cable A6 penetrates through the threading hole A10 and enters the following line channel A3.1 and penetrates through the restraining ring 9 in the following line channel A3.1, so that the joint of the cable A6 extends to the gap (namely the butt joint area 4) of the following line channel A3.1, and at the moment, the cable at the gap needs to be ensured to have enough length but can not exceed 2/3 of the arc length of the gap, so that the sufficient operation length during subsequent joint connection is ensured, and the over-long residue after joint connection is avoided;

the joints of the cables B7 and A6 are connected, after the normal smoothness of the line is ensured, the insulation adhesive tape is used for protection to form a connection joint, then the proper length is adjusted, and screws on all the restraining rings 9 are screwed until the restraining rings 9 can bind the cables without sliding, and at the moment, the cables can be ensured not to relatively slide with the anti-breaking protection part to influence the joint to be broken again;

the gland 12 is screwed down and combined with the anti-breaking structure 2 into a whole, so that the installation of the cable at the anti-breaking protection part is completed, and the cable joint is prevented from being broken;

the anti-breaking structure 2 with the installed cable is pushed into the spherical pipe section 1.3 through the open end of the first straight pipe section 1.1 of the waterproof sheath 1, the relative positions of the cable and the waterproof sheath 1 need to be adjusted simultaneously during the period, smooth pushing of the cable and the waterproof sheath 1 is guaranteed, meanwhile, no circuit is obstructed, and after the anti-breaking structure 2 is pushed into the spherical pipe section 1.3, the conical pipe section 1.2 and the second straight pipe section 1.4 can restrain the anti-breaking protection part from spatial displacement, so that the anti-breaking protection part and the waterproof protection part form a whole.

Adjusting the relative position of the waterproof sheath 1 and the cable conductor to enable the two rubber rings 1.5 to be respectively pushed into the first straight pipe section 1.1 and the second straight pipe section 1.4, respectively and firmly binding the first straight pipe section 1.1 and the second straight pipe section 1.4 by using wide binding tapes, so that no gap exists between the first straight pipe section 1.1 and the second straight pipe section 1.4 and the rubber rings 1.5 and the cable conductor, the installation of the device is completed, and the gaps in contact with water are completely sealed off at the moment, thereby ensuring that the device is not influenced by water;

the wide band is cut short by scissors, and then the disassembly of the device can be completed in a reversed sequence, so that the recycling of the device can be ensured.

The following is described in detail with reference to specific examples:

rock burst monitoring and early warning need be carried out in certain tunnel work progress, and monitoring system comprises equipment such as host computer workstation, data acquisition appearance, sensor, and wherein the data acquisition appearance passes through the cable conductor and is connected with sensor, workstation. A plurality of cables are arranged, the longest cable can reach 150 meters, and the cable is formed by connecting 2 cables. The tunnel construction environment is complicated, and the cable conductor can not avoid receiving the influence of environmental water, also has the risk of being broken. Adopt the utility model discloses a protection device is prevented breaking by cable conductor is waterproof, above-mentioned problem can be solved afterwards.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims (7)

1. The utility model provides a waterproof protection device that breaks of preventing of cable conductor which characterized in that: including waterproof sheath (1), and sealed package in structure (2) is prevented breaking by detachable in waterproof sheath (1), prevent breaking structure (2) and include three functional area at least, wherein two are the same direction as line passageway (3) that are used for coiling the cable conductor to and be used for placing butt joint's of two cable conductors butt joint region (4).

2. The waterproof anti-snap protection device for cables of claim 1, wherein: the anti-snapping structure (2) comprises a coiling box (5), two consequent channels (3) are coiled on the inner surface of the bottom of the coiling box (5), and are respectively a consequent channel A (3.1) for coiling and clamping a cable A (6) and a consequent channel B (3.2) for coiling and clamping a cable B (7);

two threading holes for the cable to pass through are arranged on the box wall of the wire coiling box (5).

3. The waterproof anti-breaking protection device for the cable conductor as claimed in claim 2, wherein: the wire coiling box (5) is of a hollow cylindrical structure with an open top and a closed bottom, two retaining strips (8) which are arc-shaped, different in radius and concentrically arranged are fixed on the inner surface of the box bottom, the two retaining strips (8) and the inner wall of the box bottom form two concentric fan-shaped rings, wherein the inner ring fan-shaped ring is used as an in-line channel A (3.1), and the outer ring fan-shaped ring is used as an in-line channel B (3.2);

the gap of the ring where the two barrier strips (8) are positioned is used as a butt joint area (4).

4. The waterproof anti-snap protection device for cables of claim 3, wherein: the anti-snapping structure (2) further comprises inhibition rings (9) with hoops pressed on the cable A (6) and the cable B (7), and the inhibition rings (9) are detachably fixed at the box bottom of the wire coiling box (5) through screws;

the screw vertically penetrates through the barrier strip (8) after penetrating through the restraining ring (9) and is inserted into the box bottom of the wire coiling box (5).

5. The waterproof anti-snap protection device for a cable line according to claim 3 or 4, wherein: two the through wires hole is the through wires hole A (10) that are used for running through cable conductor A (6) and is used for running through cable conductor B (7) through wires hole B (11) respectively.

6. A waterproof and anti-pulling-off cable protection device according to claim 3, wherein: the outer wall of the top opening end of the wire coiling box (5) is provided with threads, and a gland (12) is screwed on the top opening end.

7. The waterproof anti-snap protection device for cables of claim 2, wherein: the waterproof jacket (1) is of a hollow tubular structure, the cavity of the hollow tube is sequentially provided with a first straight tube section (1.1), a conical tube section (1.2), a spherical tube section (1.3) and a second straight tube section (1.4), wherein the small-caliber end of the conical tube section (1.2) is connected with the spherical tube section (1.3);

the wire coiling box (5) is hermetically encapsulated in the spherical pipe section (1.3);

all stopper in two straight tube sections and be equipped with rubber circle (1.5), the outer wall seal of rubber circle (1.5) is hugged closely in the inner wall of straight tube section, and the center ring of rubber circle (1.5) is sealed hug closely in the cable conductor, and cable conductor A (6) are worn out from the center ring of one of them rubber circle (1.5), and cable conductor B (7) are worn out from the center ring of another rubber circle (1.5).

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