CN115642560A

CN115642560A - Cable distribution box

Info

Publication number: CN115642560A
Application number: CN202211343378.2A
Authority: CN
Inventors: 刘涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-24

Abstract

The invention relates to the technical field of cable connection equipment, in particular to a cable distribution box which comprises a box body, wherein the front end of the box body is movably connected with a protective cover through a hinge, a plurality of joints are embedded in the upper part inside the box body, the front ends of the joints are respectively inserted with a connecting plug, the connecting plug is used for connecting cable cores of cables inserted into the box body, a bottom plate below the box body is provided with a fixing hole, a sealing clamping mechanism is arranged in the fixing hole, and the sealing clamping mechanism is used for sealing and fixing the cables with different diameters inserted into the box body through the fixing hole; according to the invention, the fixing hole is not required to be sealed by a way that constructors manually paint sealant or squeeze foam cotton, and the cable cannot be fixed and clamped in the way, so that the phenomenon that the cable falls off in the box body when the box body shakes is prevented.

Description

Cable distribution box

Technical Field

The invention relates to the technical field of cable connection equipment, in particular to a cable distribution box.

Background

The cable tapping box is mainly used for tapping, branching, continuing and converting a circuit of a cable circuit, and one end of a cable is connected to the front end of the double-pass sleeve, so that electric energy conducted by the cable can be led out through the rear end of the double-pass sleeve, and the cable tapping box is widely applied to the cable laying industry.

The existing cable is inserted into the box body, only the through hole is formed in the lower end face of the box body, then the cable is inserted into the box body through the through hole, and due to the fact that the diameters of the cable inserted into the box body are different, construction personnel are required to separately adopt sealing glue or sealing plugs to conduct sealing connection between the cable and the through hole, and due to the adoption of the connection mode, the cable inserted into the box body cannot be firmly fixed, and meanwhile, the phenomenon of air leakage in the through hole position is easily caused due to poor sealing performance.

Disclosure of Invention

The present invention is directed to a cable distribution box to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a cable distribution box comprises a box body, wherein the front end of the box body is movably connected with a protective cover through a hinge, a plurality of joints are embedded in the upper part inside the box body, the front ends of the joints are respectively inserted with a connecting plug, the connecting plug is used for connecting cable cores of cables inserted into the box body,

the cable sealing device is characterized in that a fixing hole is formed in the bottom plate below the box body, a sealing clamping mechanism is arranged in the fixing hole, and the sealing clamping mechanism is used for sealing and fixing cables inserted into the box body through the fixing hole and having different diameters.

Further, sealed clamping mechanism includes solid fixed cylinder, arc splint, sliding block, fixing base, stripper plate, elastic connection board, stay cord and adjusting nut, gu fixed cylinder fixed mounting is in the fixed orifices, and gu fixed cylinder inside is provided with a plurality of arc splint, and is a plurality of the bottom of arc splint all articulates on the inner wall of solid fixed cylinder through the torsional spring, and a plurality of arc splint enclose in the solid fixed cylinder and be the ring form, and its top is in unsettled state, gu fixed cylinder inner wall vertical direction has seted up a plurality of sliding chutes, and all slide in every sliding chute and be provided with the sliding block, and on the bottom wall of interior a plurality of sliding blocks passes through spring coupling to the sliding chute, every the outer terminal surface of sliding block is fixed with the fixing base, and inside elastic connection board that is connected with the stripper plate through elastic connection board of every fixing base, and a plurality of the outer wall of stripper plate and the outer wall extrusion laminating contact of arc splint, be provided with the spring, it is a plurality of in the inside compression intracavity of elastic connection board the up end of sliding block all is connected with the one end of stay cord, and the other end ring of a plurality of stay cord rotates and is connected to adjusting nut, the spiral wire casing has seted up the outer wall of solid fixed cylinder, adjusting nut and spiral wire casing.

Further, adjacent two connect the cavity buckled plate between the arc splint, the outer wall laminating of cavity buckled plate has the silicon rubber membrane.

Further, an inner thread groove is formed in the bottom end of the fixed cylinder, a sealing ring is connected to the inner thread groove in the fixed cylinder, a cavity rubber lantern ring is arranged in the fixed cylinder, the top end of the cavity rubber lantern ring is fixed on the inner wall of the fixed cylinder below the arc-shaped clamping plate, the bottom outer ring wall of the cavity rubber lantern ring is in sliding contact with the inner wall of the fixed cylinder, and the lower end face of the cavity rubber lantern ring is in extrusion contact with the sealing ring.

Further, communicating pipe and cavity buckled plate intercommunication are passed through on the top of cavity rubber lantern ring, and the through-hole has been seted up to the lateral wall of cavity buckled plate and the laminating of silicon rubber membrane, the sealed laminating all around of silicon rubber membrane is on the outer wall of cavity buckled plate, and the middle part of silicon rubber membrane is in the hollowing state.

Furthermore, the cavity rubber lantern ring comprises a hard annular plate and an elastic sealing film, the hard annular plate is aligned up and down, and the inner ring wall and the outer ring wall of the hard annular plate aligned up and down are connected in a sealing mode through the elastic sealing film.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the sealing clamping mechanism is arranged below the box body, when the cable is inserted into the box body through the fixing hole, a constructor needs to fixedly connect the stripped cable core to the connecting plug, then the constructor drives the sealing clamping mechanism arranged in the fixing hole to further insert the cable into the fixing hole which is tightly sealed and fixed by the cable clamp, and the constructor does not need to seal the fixing hole by manually coating a sealant or driving foam cotton, and cannot fixedly clamp the cable, so that the phenomenon that the cable falls off in the box body when the box body shakes is prevented.

2. The fixed cylinder is internally provided with a series of structures matched and clamped, the upward sliding of the sliding block can stretch a spring below the sliding block, the elastic connecting plate in the sliding block side wall fixing seat expands under the driving force of the spring arranged in the sliding block side wall fixing seat, the extruding plate can be pushed to extrude and attach to the side wall of the arc-shaped clamping plate by the expansion of the elastic connecting plate, the upper end parts of the arc-shaped clamping plates are obliquely wrapped on the outer wall of the cable when the arc-shaped clamping plates are extruded, so that the cable can be further clamped, meanwhile, the extruding plates slide upward to extrude the arc-shaped clamping plates, the upper end parts of the arc-shaped clamping plates in a circular ring shape can be further tightly wrapped on the outer wall of the cable, the space between the cable and the fixed hole can be further sealed, and the safety of the cable in the box body is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the case of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B in accordance with the present invention;

fig. 5 is a view showing a state where the arc-shaped clamping plate and the cavity corrugated plate of the present invention are connected.

In the figure: 1. a box body; 2. a joint; 3. a connecting plug; 4. a fixing hole; 5. a sealing and clamping mechanism; 51. a fixed cylinder; 511. a sliding groove; 52. an arc-shaped splint; 53. a slider; 54. a fixed seat; 55. a pressing plate; 56. an elastic connecting plate; 57. pulling a rope; 58. adjusting the nut; 6. a hollow cavity corrugated plate; 61. a through hole; 7. a silicone rubber film; 8. a seal ring; 9. a cavity rubber lantern ring; 91. a hard ring plate; 92. an elastic sealing film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution of a cable distribution box: the cable connector comprises a box body 1, wherein the front end of the box body 1 is movably connected with a protective cover through a hinge, a plurality of joints 2 are embedded into the upper part inside the box body 1, connecting plugs 3 are inserted into the front ends of the joints 2, and the connecting plugs 3 are used for connecting cable cores of cables inserted into the box body 1;

a fixing hole 4 is formed in the bottom plate below the box body 1, a sealing clamping mechanism 5 is arranged in the fixing hole 4, and the sealing clamping mechanism 5 is used for sealing and fixing cables with different diameters inserted into the box body 1 through the fixing hole 4; when the cable fixing device works, when a cable needs to be inserted into the box body 1, a cable core of the cable is stripped to be connected with the connecting plug 3 in the box body 1, the existing cable is inserted into the box body 1, only the lower end face of the box body 1 is provided with the through hole 61, then the cable is inserted into the box body 1 through the through hole 61, and due to the fact that the diameters of the cables inserted into the box body 1 are different, constructors need to singly adopt sealant or sealing plugs to carry out sealing connection between the cable and the through hole 61, and due to the adoption of the connection mode, the cable inserted into the box body 1 cannot be firmly fixed, and meanwhile, the phenomenon of air leakage at the through hole 61 is easily caused due to poor sealing performance; therefore, according to the invention, the sealing and clamping mechanism 5 is arranged below the box body 1, when a cable is inserted into the box body 1 through the fixing hole 4, a constructor needs to fixedly connect the stripped cable core to the connecting plug 3 at the moment, then the constructor can drive the sealing and clamping mechanism 5 arranged in the fixing hole 4 to further insert the fixing hole 4 into the cable clamp to tightly seal and fix the fixing hole 4, and the constructor does not need to manually paint sealant or squeeze foam cotton to seal the fixing hole 4, and the method can not fixedly clamp the cable, so that the phenomenon that the cable falls off in the box body 1 when the box body 1 shakes is prevented.

As shown in fig. 2 and 3, the sealing and clamping mechanism 5 includes a fixed cylinder 51, arc-shaped clamping plates 52, sliding blocks 53, fixed seats 54, extrusion plates 55, elastic connecting plates 56, pulling ropes 57 and adjusting nuts 58, the fixed cylinder 51 is fixedly installed in the fixed hole 4, a plurality of arc-shaped clamping plates 52 are arranged inside the fixed cylinder 51, the bottom ends of the arc-shaped clamping plates 52 are all hinged to the inner wall of the fixed cylinder 51 through torsion springs, the arc-shaped clamping plates 52 are in a circular ring shape in the fixed cylinder 51, the top end of the arc-shaped clamping plates is in a suspended state, a plurality of sliding grooves 511 are formed in the inner wall of the fixed cylinder 51 in the vertical direction, the sliding blocks 53 are arranged in each sliding groove 511 in a sliding manner, the bottom ends of the inner sliding blocks 53 are connected to the bottom end wall of the sliding groove 511 through springs, the fixed seats 54 are fixed to the outer end face of each sliding block 53, the extrusion plates 55 are connected to the inside each fixed seat 54 through the elastic connecting plates 56, the outer wall faces of the extrusion plates 55 are in pressing contact with the outer wall faces of the arc-shaped clamping plates 52 in a pressing manner, springs are provided with springs, the compression cavities in the connecting plates 56, the upper ends of the sliding blocks 53 are connected to the adjusting nuts 57, and the adjusting nuts 58 are connected to the adjusting grooves of the adjusting nuts, and the adjusting nuts 58, and the adjusting nuts, and the adjusting grooves 58; in operation, when the connected cable is required to be fixed at the bottom end of the box body 1, the constructor is required to insert the cable into the fixing cylinder 51 at the moment, the cable penetrates between the arc-shaped clamping plates 52 and plays a role in outward expansion on the arc-shaped clamping plates 52, the torsion force of the torsion spring at the end parts of the arc-shaped clamping plates 52 can enable the arc-shaped clamping plates 52 to be attached to the outer wall of the cable, then the cable is upwards pushed and inserted into the box body 1, the cable core of the cable is connected to the connecting plug 3, then when the cable is required to be fixed in the fixing hole 4, the constructor is required to rotate the adjusting nut 58 outside the fixing cylinder 51 at the moment, so that the adjusting nut 58 downwards moves along the fixing cylinder 51 to pull the pull rope 57, and the pull of the pull rope 57 can drive the sliding block 53 to upwards slide in the sliding groove 511 inside the fixing cylinder 51, the upward sliding of the sliding block 53 can stretch the spring below the sliding block, meanwhile, the elastic connecting plate 56 in the side wall fixing seat 54 of the sliding block 53 expands under the pushing force of the spring arranged in the sliding block, the expansion of the elastic connecting plate 56 can push the extrusion plate 55 to extrude and attach to the side wall of the arc-shaped clamping plate 52, and the upper end parts of the arc-shaped clamping plates 52 can be obliquely wrapped on the outer wall of the cable when the arc-shaped clamping plates 52 are extruded, so that the cable can be further clamped, meanwhile, the extrusion plates 55 slide upward to extrude the arc-shaped clamping plates 52, so that the upper end parts of the arc-shaped clamping plates 52 surrounding the circular ring shape can be further tightly wrapped on the outer wall of the cable, further sealing effect can be achieved between the cable and the fixing hole 4, and the use safety of the cable in the box body 1 is further improved; when the length of the cable inside the box 1 needs to be adjusted, at this time, the constructor needs to reversely rotate the adjusting nut 58, so that the adjusting nut 58 moves upwards along the fixing cylinder 51, at this time, the pull rope 57 is in a loose state, and the sliding block 53 slides downwards along the sliding groove 511 under the pulling force of the spring below the sliding block 53, and then the fixing seat 54 and the squeezing plate 55 can be driven to slide downwards, at this time, the elastic connecting plate 56 can contract due to the squeezing force of the lower end arc-shaped clamping plate 52, and because the upper end portion of the arc-shaped clamping plate 52 is not under the squeezing force of the squeezing plate 55, therefore, the plurality of arc-shaped clamping plates 52 are only wrapped on the outer wall of the cable by the acting force of the torsion spring, and no squeezing force is applied, and therefore, the length adjustment or maintenance and replacement of the cable inside the box 1 are facilitated.

As shown in fig. 3 and 5, a hollow corrugated plate 6 is connected between two adjacent arc-shaped clamping plates 52, and a silicone rubber film 7 is attached to the outer wall of the hollow corrugated plate 6; the during operation, when a plurality of arc splint 52 received the outside expansion of thrust of cable conductor, this moment can make to be connected to between two adjacent arc splint 52 and expand the outer wall of laminating the cable conductor of cavity buckled plate 6, the extrusion of a plurality of stripper plates 55 to arc splint 52 of deuterogamying, the silicone rubber membrane 7 that can make the cavity buckled plate 6 of expansion and the inner wall laminating closely laminates to the outer wall of cable conductor on, thereby can improve the sealed effect to the cable conductor in the solid fixed cylinder 51, prevent that the box 1 that is located subaerial receives soaking of moisture or rainwater and enters into the inside phenomenon of box 1 through fixed orifices 4, and then influence the safe handling of the inside electrical components of box 1.

As shown in fig. 2 to 4, an internal thread groove is formed in the bottom end of the fixed cylinder 51, a sealing ring 8 is connected to the internal thread of the internal thread groove, a cavity rubber lantern ring 9 is arranged in the fixed cylinder 51, the top end of the cavity rubber lantern ring 9 is fixed on the inner wall of the fixed cylinder 51 below the arc-shaped clamping plate 52, the outer ring wall of the bottom end of the cavity rubber lantern ring 9 is in sliding contact with the inner wall of the fixed cylinder 51, and the lower end face of the cavity rubber lantern ring 9 is in pressing contact with the sealing ring 8; the during operation, after adjusting nut 58 removed the maximum limit position downwards at a fixed section of thick bamboo 51 outer wall, at this moment, because sealing ring 8 cup joints the outer wall at the cable conductor, then constructor can rotate sealing ring 8 that is located a fixed section of thick bamboo 51 below through the spanner, it upwards moves in a fixed section of thick bamboo 51 to get sealing ring 8, when sealing ring 8 is continuous upwards moves in a fixed section of thick bamboo 51, sealing ring 8 can extrude the inside cavity rubber lantern ring 9 that sets up of fixed section of thick bamboo 51, make cavity rubber lantern ring 9 produce compression deformation under the extrusion force of sealing ring 8, and sealing ring 8 after compression deformation makes on can its inner wall closely laminate the outer wall of cable conductor, and then can improve the sealed effect of laminating of fixed section of thick bamboo 51 below and cable conductor outer wall, thereby improve the safe handling of cable conductor in box 1 inside.

As shown in fig. 3 and 5, the top end of the cavity rubber lantern ring 9 is communicated with the cavity corrugated plate 6 through a communicating pipe, a through hole 61 is formed in the side wall, attached to the silicon rubber membrane 7, of the cavity corrugated plate 6, the periphery of the silicon rubber membrane 7 is hermetically attached to the outer wall of the cavity corrugated plate 6, and the middle of the silicon rubber membrane 7 is in a hollow state; the during operation, when cavity rubber lantern ring 9 received the extrusion force of sealing ring 8 and when producing compression deformation, cavity rubber lantern ring 9 inside branch gas can be filled into cavity buckled plate 6 through connecting communicating pipe this moment, because open between cavity buckled plate 6 and the silicon rubber membrane 7 has through-hole 61, consequently, fill into the inside gas of cavity buckled plate 6 and can enter into between unsettled silicon rubber membrane 7 and the 6 outer walls of cavity buckled plate through-hole 61, and then can make silicon rubber membrane 7 produce the inflation and laminate to on the outer wall of cable conductor, thereby can further improve the tight sealed effect of clamp of a plurality of arc splint 52 to the cable conductor.

As shown in fig. 4, the cavity rubber collar 9 is composed of a hard ring plate 91 and an elastic sealing film 92, the hard ring plate 91 is aligned up and down, and the inner ring wall and the outer ring wall of the hard ring plate 91 aligned up and down are sealed and connected through the elastic sealing film 92; the during operation, adopt upper and lower surface to seal up through elastic sealing membrane 92 for stereoplasm crown plate 91 both sides circle wall with cavity rubber lantern ring 9, can be so that sealing ring 8 when the extrusion cavity rubber lantern ring 9 of upwards moving in solid fixed cylinder 51, the compressive deformation that cavity rubber lantern ring 9 produced only can make stereoplasm crown plate 91 rebound compressive deformation of below, the elastic sealing membrane 92 that can make its inner circle wall can receive gaseous promotion and closely wrap up on the outer wall of cable conductor, and then can further improve the sealed effect of cable conductor in fixed orifices 4, can also further improve the fixed effect of the clamp of cable conductor in fixed orifices 4 simultaneously.

The working principle is as follows: when the cable fixing device works, a constructor inserts a cable into the fixing cylinder 51, at the moment, the cable penetrates among the arc-shaped clamping plates 52 and can play a role of outward expansion on the arc-shaped clamping plates 52, at the moment, the torsion force of the torsion spring at the end part of the arc-shaped clamping plates 52 enables the arc-shaped clamping plates 52 to be attached to the outer wall of the cable, then the cable is pushed upwards and inserted into the box body 1, the cable core of the cable is connected onto the connecting plug 3, then when the cable needs to be fixed into the fixing hole 4, the constructor is required to rotate the adjusting nut 58 outside the fixing cylinder 51, so that the adjusting nut 58 moves downwards along the fixing cylinder 51 to pull the pull rope 57, the pull of the pull rope 57 can drive the sliding block 53 to slide upwards in the sliding groove 511 inside the fixing cylinder 51, and the upward sliding of the sliding block 53 can enable the spring below the sliding block to be stretched, meanwhile, the elastic connecting plate 56 in the side wall fixing seat 54 of the sliding block 53 is expanded under the pushing force of a spring arranged in the side wall fixing seat 54, the expansion of the elastic connecting plate 56 can push the extrusion plate 55 to extrude and attach to the side wall of the arc-shaped clamping plate 52, and the upper end parts of the arc-shaped clamping plates 52 can be obliquely wrapped on the outer wall of the cable when being extruded, so that the cable can be further clamped, meanwhile, the extrusion plates 55 slide upwards to extrude the arc-shaped clamping plates 52, so that the upper end parts of the arc-shaped clamping plates 52 which are in a circular ring shape can be further tightly wrapped on the outer wall of the cable, further sealing between the cable and the fixing hole 4 can be achieved, and the use safety of the cable in the box 1 is improved; when the length of the cable in the box 1 needs to be adjusted, the constructor needs to rotate the adjusting nut 58 reversely at this time, so that the adjusting nut 58 moves upwards along the fixed cylinder 51, at this time, the pull rope 57 is in a loose state, the sliding block 53 can slide downwards along the sliding groove 511 under the pulling force of the spring below the sliding block 53, and then the fixed seat 54 and the extrusion plate 55 can be driven to slide downwards, at this time, the elastic connecting plate 56 can be contracted by the extrusion force of the lower end arc-shaped clamping plate 52, and because the upper end part of the arc-shaped clamping plate 52 is not under the extrusion force of the extrusion plate 55, therefore, the plurality of arc-shaped clamping plates 52 are only wrapped on the outer wall of the cable by the acting force of the torsion spring, and no additional extrusion force is applied, and therefore, the length adjustment or maintenance replacement of the cable in the box 1 is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable distribution box comprises a box body (1), the front end of the box body (1) is movably connected with a protective cover through a hinge, a plurality of joints (2) are embedded in the upper part of the interior of the box body (1), the front ends of the joints (2) are respectively inserted with a connecting plug (3), the connecting plugs (3) are used for connecting cable cores of cables inserted in the box body (1), and the cable distribution box is characterized in that,

the cable sealing device is characterized in that a fixing hole (4) is formed in the bottom plate below the box body (1), a sealing clamping mechanism (5) is arranged in the fixing hole (4), and the sealing clamping mechanism (5) is used for sealing and fixing cables of different diameters inserted into the box body (1) through the fixing hole (4).

2. A cable distribution box according to claim 1, wherein: the sealing and clamping mechanism (5) comprises a fixed cylinder (51), arc-shaped clamping plates (52), a sliding block (53), a fixed seat (54), an extrusion plate (55), an elastic connecting plate (56), a pull rope (57) and an adjusting nut (58), wherein the fixed cylinder (51) is fixedly installed in the fixed hole (4), a plurality of arc-shaped clamping plates (52) are arranged inside the fixed cylinder (51), the bottom ends of the arc-shaped clamping plates (52) are hinged on the inner wall of the fixed cylinder (51) through torsion springs, the arc-shaped clamping plates (52) are in a circular ring shape in the fixed cylinder (51), the top end of the arc-shaped clamping plate is in a suspended state, a plurality of sliding grooves (511) are formed in the vertical direction of the inner wall of the fixed cylinder (51), sliding blocks (53) are arranged in each sliding groove (511) in a sliding mode, the bottom end of each inner sliding block (53) is connected to the bottom end wall of each sliding groove (511) through a spring, a fixed seat (54) is fixed to the outer end face of each sliding block (53), an extrusion plate (55) is connected to the inside of each fixed seat (54) through an elastic connecting plate (56), the outer wall faces of the extrusion plates (55) are in extrusion fit contact with the outer wall face of the arc-shaped clamping plate (52), a spring is arranged in a compression cavity in the elastic connecting plate (56), the upper end faces of the sliding blocks (53) are connected with one end of a pull rope (57), and the other ends of the pull ropes (57) are connected to the adjusting nuts (58) in an annular rotating mode, a spiral line groove is formed in the outer wall of the fixing cylinder (51), and the adjusting nuts (58) are in threaded connection with the spiral line groove.

3. A cable distribution box according to claim 2, wherein: adjacent two connect cavity buckled plate (6) between arc splint (52), the outer wall laminating of cavity buckled plate (6) has silicon rubber membrane (7).

4. A cable distribution box according to claim 2, wherein: the inner thread groove has been seted up to the bottom of solid fixed cylinder (51) inside, and the inner thread groove female connection has sealing ring (8), be provided with cavity rubber lantern ring (9) in solid fixed cylinder (51), on the top of cavity rubber lantern ring (9) is fixed with solid fixed cylinder (51) inner wall of arc splint (52) below, and the inner wall sliding contact of the bottom outer lane wall of cavity rubber lantern ring (9) and solid fixed cylinder (51), the lower terminal surface and sealing ring (8) extrusion contact of cavity rubber lantern ring (9).

5. A cable distribution box according to claim 4, wherein: the top of cavity rubber lantern ring (9) is through communicating pipe and cavity buckled plate (6) intercommunication, and cavity buckled plate (6) and the lateral wall of laminating of silicon rubber membrane (7) seted up through-hole (61), the sealed laminating all around of silicon rubber membrane (7) is on the outer wall of cavity buckled plate (6), and the middle part of silicon rubber membrane (7) is in the hollowing state.

6. A cable distribution box according to claim 5, wherein: the cavity rubber lantern ring (9) comprises a hard annular plate (91) and an elastic sealing film (92), the hard annular plate (91) is aligned up and down, and the inner ring wall and the outer ring wall of the hard annular plate (91) aligned up and down are connected in a sealing mode through the elastic sealing film (92).