CN218603137U - Wall-penetrating cable seepage-proofing sealing structure - Google Patents

Abstract

The utility model discloses a wall cable seepage prevention seal structure, including be used for pre-buried sleeve pipe in order to wear to establish the cable in the wall body, connect two port connecting pieces at sleeve pipe both ends respectively, connect the cable seal assembly on the port connecting piece of the at least one end of sleeve pipe, cable seal assembly can splice the installation and form sealed main part after the threading through a plurality of rubber stoppers, through the clearance between aperture adjusting part seal cable and the rubber stopper, rethread pressure plate subassembly compresses tightly the rubber stopper in spacing seat. The limiting seat and the pressing plate assembly of the anti-seepage sealing structure can guarantee the stability and the sealing performance of the sealing structure, the service life is favorably prolonged, the rubber limiting blocks are spliced and sealed, the installation is convenient, the sealing effect is good, the safety of a building and electrical equipment can be protected, the cable penetrating position of an underground building can be guaranteed to achieve a good anti-seepage effect, and the anti-seepage level of key weak positions of the underground building is improved.

Description

Wall-penetrating cable seepage-proofing sealing structure

Technical Field

The utility model relates to a sealed technical field of wall cable especially relates to a wall cable seepage prevention seal structure.

Background

In addition to indoor arrangement, cables are often arranged through concrete walls, bricklayed walls, steel plates, aluminum plates or sandwich plates. For example, in city utility tunnel through-wall cable sealing is very important, and the cable in the pipe gallery needs the through-wall to get into the building, once the through-wall cable takes place the seepage, then can cause destruction, produces serious loss to the electrical facilities in the pipe gallery.

The current sealing mode of the through-wall cable is to adopt cement or some special sealing devices which are independently developed. The adoption of a daub sealing mode has poor appearance and needs maintenance after long-term use; some special sealing devices adopt rubber material shutoff pipe end to seal, but exist and be connected unstablely between rubber and the cable to the problem that the construction degree of difficulty is big, especially when the cable bears certain torsion and pulling force, cause sealing rubber to break the damage easily, and then lead to sealing failure, also increased later maintenance's the degree of difficulty and cost.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a through-wall cable prevention of seepage seal structure.

The utility model provides a pair of through-wall cable seepage prevention seal structure, include:

the sleeve is pre-embedded in the wall body and used for allowing a cable to penetrate through;

the port connecting piece is provided with a first port and a second port, and is in interference fit with the sleeve through the first port;

connect the cable seal assembly on the port connecting piece of the at least one end of sleeve pipe, cable seal assembly includes spacing seat, a plurality of rubber stopper, aperture adjusting part, clamp plate subassembly and fastening nut, wherein:

the limiting seat is provided with a circular side wall, a threading plate connected in one port of the circular side wall and a stud connected on the threading plate, the threading plate is provided with a cable through hole for a cable to pass through, the limiting seat is in threaded connection with the second port of the port connecting piece through the circular side wall, a sealing ring is arranged between the limiting seat and the inner end of the second port,

the plurality of rubber limit blocks are spliced into a disc matched with the inner cavity of the circular side wall of the limit seat, the disc is provided with a limit hole which is surrounded by the rubber limit blocks and is used for a cable to pass through, the rubber limit blocks are provided with first pin holes matched with the studs of the limit seat,

the aperture adjusting component is matched with the limiting hole of the disc and is used for sealing the gap between the cable passing through the limiting hole and the limiting hole,

and a second pin hole matched with the stud of the limiting seat is formed in the pressure plate assembly, and the pressure plate assembly is connected and locked on the disc through a fastening nut and the stud in a threaded manner.

Preferably, the rubber limiting block is fan-shaped, and notch round holes for enclosing limiting holes are formed in the top point position and two sides of the central angle of the fan-shaped rubber limiting block;

a fan-shaped one side of each rubber limiting block is provided with an outer convex step surface, and a fan-shaped other side of each rubber limiting block is provided with an inner concave step surface.

Preferably, the aperture adjusting assembly is formed by nesting a plurality of rubber wire sleeves together, each rubber wire sleeve is provided with a central through hole and a circular ring flange positioned at one end of the central through hole, and the rubber wire sleeve is provided with a notch for cutting the side wall of the central through hole and the circular ring flange along the axial direction of the rubber wire sleeve.

Preferably, the clamp plate subassembly includes outer lane clamp plate and inner circle clamp plate, and the outer lane clamp plate is pieced together by at least two first arcs, and the inner circle clamp plate is pieced together by at least two second arcs, and outer lane clamp plate and inner circle clamp plate enclose into the locating hole with the ring flange complex of aperture adjusting part.

Preferably, the cable through hole on the threading plate comprises a first central hole and six first eccentric holes positioned around the first central hole, and a gap for communicating the first eccentric holes and the first central hole is arranged between the first eccentric holes and the first central hole.

Preferably, the flexible water stop ring is connected to the outer wall of the two port connecting pieces.

Preferably, the material of flexible seal ring is rubber, and flexible seal ring is mountain type seal ring.

Preferably, the outer end of the second port of the port connecting piece is provided with a square flange, four sides of the square flange are provided with clamping portions, each clamping portion comprises a first tenon and a first mortise which are arranged on the side in parallel, and each first tenon is used for being clamped with the corresponding first mortise.

Preferably, still include the roll adjustment fastener, the both sides of roll adjustment fastener all are equipped with one row of second tenon and the second mortise that parallel to two rows of second tenons and the second mortise of roll adjustment fastener are central symmetry, and the second tenon of roll adjustment fastener can be with the first mortise block of joint portion, and the second mortise of roll adjustment fastener can be with the first tenon block of joint portion.

Preferably, the cable connector further comprises a sealing cover plate, wherein the sealing cover plate can be in threaded connection with the second port of the port connector and is used for sealing the port connectors at the two ends of the sleeve when the cable is not threaded.

The utility model provides a through-wall cable prevention of seepage seal structure, through the port connecting piece installation cable seal assembly at sleeve pipe tip, cable seal assembly can splice the installation and form sealed main part after the threading through a plurality of rubber stoppers, through the clearance between aperture adjusting part seal cable and the rubber stopper, rethread pressure plate subassembly compresses tightly the rubber stopper in spacing seat. The limiting seat and the pressing plate assembly can ensure the stability and the sealing property of the sealing structure, and the service life is favorably prolonged; the mode that the rubber stopper concatenation is sealed, simple to operate not only, and sealed effectual.

Therefore, the anti-seepage sealing structure can provide better sealing protection for the through-wall cable, protect the safety of buildings and electrical equipment, ensure that the through-wall part of the cable of the underground building structure achieves good anti-seepage effect, improve the anti-seepage level of key weak parts of the underground building structure, facilitate construction, have long service life and reduce operation and maintenance cost.

Drawings

Fig. 1 is a perspective view of an anti-seepage sealing structure of a wall cable in the embodiment;

FIG. 2 is a cross-sectional view of an embodiment of an anti-seepage sealing structure of a wall cable;

FIG. 3 is a perspective view of a port connector in an embodiment;

FIG. 4 is a perspective view of a port connector in an embodiment;

FIG. 5 is a perspective view of the cable sealing assembly in an embodiment;

FIG. 6 is an exploded view of the cable sealing assembly in an embodiment;

FIG. 7 is a schematic structural view of a stopper seat in an embodiment;

FIG. 8 is a schematic structural diagram of a disk assembled by rubber stoppers in the embodiment;

FIG. 9 is a schematic structural view of a platen assembly in an embodiment;

FIG. 10 is a perspective view of the setting clip in the embodiment;

fig. 11 is a perspective view of the setting clip in the embodiment.

Detailed Description

Referring to fig. 1-11, an embodiment of the present invention provides a seepage-proofing sealing structure for a through-wall cable, including a sleeve 1, a port connector 2 and a cable sealing assembly 3. The sleeve pipe 1 is used for pre-buried in the wall body in order to wear to establish the cable, and the both ends of sleeve pipe 1 are connected with a port connecting piece 2 respectively, and cable seal assembly 3 can be connected with port connecting piece 2 and be used for sealing the cable. In practical application, generally, only the cable at the cable outlet end of the casing 1 needs to be sealed, and the cable outlet end and the cable inlet end also need to be sealed, so that the cable sealing assembly 3 is connected to the port connecting piece 2 at least one end of the casing 1 according to practical requirements.

As shown in fig. 2 and 3, in the present embodiment, the port connector 2 has a first port 21 for connecting with the casing 1, and a second port 22 for connecting with the cable sealing assembly 3, an inner wall of the second port 22 is provided with an internal thread, a diameter of the first port 21 is preferably smaller than a diameter of the second port 22, the port connector 2 is in interference fit with the casing 1 through the first port 21, and a sealing ring 4 is arranged between the first port 21 and the casing 1, so that a sealing effect is ensured between the port connector 2 and the casing 1.

Referring to fig. 5-9, the cable sealing assembly 3 includes: the device comprises a limiting seat 31, a plurality of rubber limiting blocks 32, an aperture adjusting assembly 33, a pressure plate assembly 34 and a fastening nut 35. Wherein:

spacing seat 31 is the steel structure, spacing seat 31 has ring shape lateral wall 311, connect at ring shape lateral wall 311 one port intraoral threading plate 312 and connect the double-screw bolt 313 on threading plate 312, the outside of ring shape lateral wall 311 is equipped with the external screw thread, spacing seat 31 matches through the external screw thread of ring shape lateral wall 311 and the second port 22 internal thread of port connection spare 2, and be equipped with sealing washer 5 between spacing seat 31 and the inner of second port 22, thereby guarantee the leakproofness between spacing seat 31 and the port connection spare 2. The threading plate 312 has a cable through hole 314 for a cable to pass through, and specifically, the cable through hole 314 includes a first central hole and six first eccentric holes located around the first central hole, and a gap is provided between the first eccentric holes and the first central hole to enable the first eccentric holes and the first central hole to communicate with each other, so that the threading of the cable is more convenient.

The rubber stopper 32 is installed in the stopper seat 31 to limit the cable, and a first pin hole 322 matched with the stud 313 of the stopper seat 31 is formed in the rubber stopper 32. The plurality of rubber stoppers 32 can be assembled into a disc which can be matched with the circular side wall 311 of the stopper seat 31, and the disc is provided with a stopper hole 321 which is formed by the rubber stoppers 32 and is used for the cable to pass through. Specifically, the limiting hole 321 includes a second center hole and six second eccentric holes located around the second center hole, the rubber limiting block 32 is fan-shaped, notch circular holes 3211 for enclosing the limiting hole 321 are arranged at the fan-shaped vertex position and both sides of the center angle of the rubber limiting block 32, the notch circular holes 3211 at the fan-shaped vertex position can be enclosed into the second center hole, and the notch circular holes 3211 at both sides of the fan-shaped center angle can be enclosed into the second eccentric holes. The fan-shaped one side of rubber stopper 32 is equipped with the evagination step face, and fan-shaped another side is equipped with the indent step face, and when a plurality of rubber stopper 32 pieced together the disc, the evagination step face and the indent step face of two adjacent rubber stopper 32 cooperate. The main body structure that seals up is carried out to the cable to the concatenation formation through a plurality of rubber stopper 32, and rubber stopper 32 can splice into spacing seat 31 behind the threading, at first can not hinder the cable to wear to establish smoothly, moreover can prevent that the cable from damaging wearing to establish the in-process with rubber stopper 32 strain. In addition, the rubber limiting block 32 is matched with the concave stepped surface through splicing the convex stepped surfaces on the two fan-shaped sides, so that a better anti-seepage sealing effect can be achieved.

The aperture adjusting assembly 33 is used for matching with a limiting hole 321 defined by the rubber limiting block 32, so as to seal a gap between the limiting hole 321 and the cable. Specifically, the aperture adjustment assembly 33 is composed of a plurality of rubber wire sleeves 331 nested together, each rubber wire sleeve 331 is provided with a central through hole and an annular flange 3311 at one end of the central through hole, and the rubber wire sleeve 331 is provided with a notch 3312 along its axial direction to cut the side wall of the central through hole and the annular flange 3311. The thickness of the central through hole side wall of each rubber wire sleeve 331 is 2mm, the sealing between the cable and the limiting hole 321 can be realized through nesting of a plurality of rubber wire sleeves 331, in addition, because threading operation needs to be carried out firstly and then sealing is carried out in practice, the cable can be extruded into the central through hole from the notch 3312 of the rubber wire sleeve 331 through the design of the notch 3312, and thus, the installation of the aperture adjusting component 33 on the cable is more convenient.

The pressing plate assembly 34 is of a steel structure, a second pin hole 341 matched with the stud 313 of the limiting seat 31 is arranged on the pressing plate assembly 34, and the pressing plate assembly 34 is connected with the stud 313 through a fastening nut 35 in a threaded mode and locked on a disc. Specifically, the pressure plate assembly 34 includes an outer ring pressure plate and an inner ring pressure plate, the outer ring pressure plate is formed by splicing at least two first arc-shaped plates 342, the inner ring pressure plate is formed by splicing at least two second arc-shaped plates 343, and the outer ring pressure plate and the inner ring pressure plate enclose a positioning hole 344 matched with the circular flange 3311 of the aperture adjusting assembly 33. Specifically, the positioning holes 344 include a third center hole located at the center of the inner ring pressure plate and six third eccentric holes located around the third center hole and located between the inner ring pressure plate and the outer ring pressure plate. The rubber limiting block 32 is tightly pressed through the pressing plate assembly 34, so that the installation is convenient, and the sealing effect of the rubber limiting block 32 can be ensured. The positioning hole 344 surrounded by the outer ring pressing plate and the inner ring pressing plate can play a role in positioning the aperture adjusting assembly 33, so that the position stability of the cable can be kept, and the service life of the sealing structure is longer.

According to the above, the anti-seepage sealing structure for the wall-penetrating cable of the embodiment can provide better air tightness and water tightness protection for the cable through the rubber limiting block 32 and the aperture adjusting assembly 33; by the design of the connection mode among the limiting seat 31, the rubber limiting block 32, the aperture adjusting assembly 33 and the pressing plate assembly 34, construction and later maintenance are facilitated, and the operation and maintenance cost can be reduced; the structural stability and the sealing performance of the rubber limiting block 32 and the aperture adjusting assembly 33 can be ensured through the limiting seat 31 and the pressure plate assembly 34, and the service life is prolonged.

In some embodiments, as shown in fig. 1 and 2, the through-wall cable anti-seepage sealing structure further includes a flexible water stop ring 6 connected to the outer wall of the two port connecting members 2, the flexible water stop ring 6 is preferably made of rubber, and the flexible water stop ring 6 is a mountain-shaped water stop ring. The flexible water stop ring 6 can enhance the sealing performance between the embedded casing 1 and the wall body.

In some embodiments, as shown in fig. 3, the outer end of the second port 22 of the port connecting member 2 is provided with a square flange 221, four sides of the square flange 221 are provided with clamping portions 222, each clamping portion 222 includes a first tenon 2221 and a first mortise slot 2222 which are arranged side by side, and the first tenon 2221 is used for being clamped with the first mortise slot 2222. In the construction process, a plurality of sets of the anti-seepage sealing structures for the through-wall cables may need to be installed, and through the design of the clamping portion 222, a plurality of sleeves 1 can be arranged together in an interconnected manner, so that the position stability of the sleeves 1 is ensured. For example, when two adjacent sleeves 1 are placed side by side, the first tenon 2221 and the first mortise 2222 on one sleeve 1 can be correspondingly engaged with the first mortise 2222 and the first tenon 2221 on the other sleeve 1, so that each sleeve 1 can be coupled with at most four sleeves 1 through the engaging portion 222 of the port connector 2.

In this example, as shown in fig. 10 and 11, the anti-seepage sealing structure for the through-wall cable further includes a distance adjusting clip 7, two sides of the distance adjusting clip 7 are both provided with a row of second tenons 71 and second mortises 72 which are parallel, the two rows of second tenons 71 and second mortises 72 of the distance adjusting clip 7 are centrosymmetric, the second tenons 71 of the distance adjusting clip 7 can be clamped with the first mortises 2222 of the clamping portion 222, and the second mortises 72 of the distance adjusting clip 7 can be clamped with the first tenons 2221 of the clamping portion 222. The principle of adjusting the fastener is the same with joint 222, can be with hookup between the sleeve pipe 1 that stands side by side and the sleeve pipe 1 equally through adjusting the fastener, and increase the distance between the adjustable sleeve pipe 1 of a certain amount of regulation fastener and the sleeve pipe 1, because in actual construction, the hole size on the wall body rebar structure before pouring has dimensional error, can guarantee through the installation that the fastener can keep unanimous with the interval between the sleeve pipe 1, and does not receive the error influence of installation hole.

In some embodiments, as shown in fig. 2, the anti-seepage sealing structure for a through-wall cable further includes a sealing cover plate 8, the sealing cover plate 8 is made of steel, an outer wall of the sealing cover plate 8 is provided with external threads, the sealing cover plate 8 can be matched with the internal threads of the second port 22 of the port connector 2 through the external threads, and the sealing cover plate 8 is used for sealing the port connectors 2 at two ends of the sleeve 1 when no cable is inserted. Other engineering time of sealed apron 8 messenger port connecting piece 2 when not wearing to establish the cable can keep closing, firstly plays sealed effect, secondly can strengthen port connecting piece 2's intensity when pouring, prevents that port connecting piece 2 is impaired.

According to the embodiment, the anti-seepage sealing structure of the through-wall cable comprises the following steps during construction:

pre-burying the sleeve 1 in a wall body to expose the second ports 22 of the port connecting pieces 2 at the two ends of the sleeve 1 outside the wall body;

opening sealing cover plates 8 in port connecting pieces 2 at two ends of a sleeve 1;

connecting the limiting seat 31 in the second port 22 of the port connecting piece 2 at the cable outlet end of the sleeve 1 in a threaded manner;

threading operation is carried out, so that a cable penetrates through the port connecting piece 2 at the cable inlet end of the sleeve 1 and penetrates out of the cable through hole 314 of the limiting seat 31 at the cable outlet end of the sleeve 1;

splicing the plurality of rubber limit blocks 32 and installing the spliced plurality of rubber limit blocks into the limit seat 31, wherein the cables penetrate through limit holes 321 formed by the rubber limit blocks 32 in a one-to-one correspondence manner in the splicing process;

sleeving the rubber wire sleeves 331 of the aperture adjusting assembly 33 on the cables one by one, breaking the notches 3312 on the rubber wire sleeves 331 off, extruding the cables into the central through holes of the rubber wire sleeves 331 along the notches 3312, and pushing the rubber wire sleeves 331 into the limiting holes 321 one by one along the axial direction of the cables until the cables in the limiting holes 321 are compressed and sealed;

the pressure plate assembly 34 is arranged on the stud 313 of the limiting seat 31, and the fastening nut 35 is arranged on the stud 313 to enable the pressure plate assembly to compress the rubber limiting block 32.

The construction method of the anti-seepage sealing structure for the wall-penetrating cable is simple and convenient, the anti-seepage sealing structure for the wall-penetrating cable can provide better sealing protection for the cable, and the anti-seepage sealing structure is easy to maintain in the later period.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a wall cable seepage prevention seal structure which characterized in that includes:

the sleeve (1) is pre-buried in the wall body and used for penetrating through a cable;

the two port connecting pieces (2) are respectively connected to two ends of the sleeve (1), each port connecting piece (2) is provided with a first port (21) and a second port (22), and the port connecting pieces (2) are in interference fit with the sleeve (1) through the first ports (21);

connect cable seal assembly (3) on port connection spare (2) of sleeve pipe (1) at least one end, cable seal assembly (3) are including spacing seat (31), a plurality of rubber stopper (32), aperture adjusting part (33), clamp plate subassembly (34) and fastening nut (35), wherein:

the limiting seat (31) is provided with a circular side wall (311), a threading plate (312) connected in one port of the circular side wall (311) and a stud (313) connected on the threading plate (312), the threading plate (312) is provided with a cable through hole (314) for a cable to pass through, the limiting seat (31) is in threaded connection with the second port (22) of the port connecting piece (2) through the circular side wall (311), a sealing ring (5) is arranged between the limiting seat (31) and the inner end of the second port (22),

the plurality of rubber limit blocks (32) are spliced into a disc matched with the inner cavity of the circular side wall (311) of the limit seat (31), the disc is provided with a limit hole (321) which is enclosed by the rubber limit blocks (32) and is used for a cable to pass through, the rubber limit blocks (32) are provided with first pin holes (322) matched with the studs (313) of the limit seat (31),

the aperture adjusting component (33) is matched with the limiting hole (321) of the disc and is used for sealing the gap between the cable passing through the limiting hole (321) and the limiting hole (321),

and a second pin hole (341) matched with the stud (313) of the limiting seat (31) is formed in the pressure plate component (34), and the pressure plate component (34) is connected and locked on the disc through a fastening nut (35) and the stud (313) in a threaded manner.

2. The seepage-proofing sealing structure of the through-wall cable according to claim 1, wherein the rubber stopper (32) is fan-shaped, and notch round holes (3211) for enclosing a limiting hole (321) are arranged at the top position and two sides of the central angle of the fan-shaped rubber stopper (32);

the fan-shaped one side of rubber stopper (32) is equipped with evagination step face, and fan-shaped another side is equipped with the indent step face when a plurality of rubber stopper (32) piece into the disc, the outer boss step face and the indent step face of two adjacent rubber stopper (32) cooperate.

3. The seepage-proofing sealing structure for the through-wall cable according to claim 1, characterized in that the aperture adjusting component (33) is formed by nesting a plurality of rubber wire sleeves (331), each rubber wire sleeve (331) is provided with a central through hole and an annular flange (3311) at one end of the central through hole, and the rubber wire sleeve (331) is provided with a notch (3312) cutting the side wall of the central through hole and the annular flange (3311) along the axial direction.

4. A through-wall cable seepage-proofing sealing structure according to claim 3, wherein the pressure plate assembly (34) comprises an outer pressure plate and an inner pressure plate, the outer pressure plate is formed by splicing at least two first arc-shaped plates (342), the inner pressure plate is formed by splicing at least two second arc-shaped plates (343), and the outer pressure plate and the inner pressure plate enclose a positioning hole (344) matched with the annular flange (3311) of the aperture adjusting assembly (33).

5. The seal structure of claim 1, wherein the cable through hole (314) of the threading plate (312) comprises a first central hole and six first eccentric holes around the first central hole, and a gap is provided between the first eccentric holes and the first central hole for communicating the first eccentric holes and the first central hole.

6. The seepage-proofing sealing structure for the through-wall cable according to claim 1, characterized by further comprising flexible water stop rings (6) connected to the outer walls of the two port connecting pieces (2).

7. The through-wall cable anti-seepage sealing structure according to claim 6, wherein the flexible water stop ring (6) is made of rubber, and the flexible water stop ring (6) is a mountain-shaped water stop ring.

8. A through-wall cable seepage-proofing sealing structure according to any one of claims 1-7, wherein a square flange (221) is arranged at the outer end of the second port (22) of the port connecting member (2), clamping portions (222) are arranged on four sides of the square flange (221), each clamping portion (222) comprises a first tenon (2221) and a first mortise (2222) which are arranged on the side edges in parallel, and the first tenon (2221) is used for being clamped with the first mortise (2222).

9. The anti-seepage sealing structure for the through-wall cable according to claim 8, further comprising a distance adjusting clamping piece (7), wherein a row of second tenons (71) and second mortises (72) are arranged on two sides of the distance adjusting clamping piece (7) in parallel, the two rows of second tenons (71) and the second mortises (72) of the distance adjusting clamping piece (7) are in central symmetry, the second tenons (71) of the distance adjusting clamping piece (7) can be clamped with the first mortises (2222) of the clamping portion (222), and the second mortises (72) of the distance adjusting clamping piece (7) can be clamped with the first tenons (2221) of the clamping portion (222).

10. A through-wall cable seepage-proofing sealing structure according to any one of claims 1-7, characterized by further comprising a sealing cover plate (8), wherein the sealing cover plate (8) can be in threaded connection with the second port (22) of the port connecting piece (2) and is used for sealing the port connecting pieces (2) at two ends of the sleeve (1) when no cable is inserted.

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