CN212162689U

CN212162689U - Sealing equipment of cable grounding hardware fitting

Info

Publication number: CN212162689U
Application number: CN202021142579.2U
Authority: CN
Inventors: 陈广; 周涛; 徐丽丽; 刘见龙
Original assignee: Wuxi Degang Jinggong Electromechanical Equipment Co ltd
Current assignee: Wuxi Degang Jinggong Electromechanical Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-12-15
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a sealing equipment of cable ground connection gold utensil, including the holding box body, holding box body top is provided with the top cap, still be provided with back shape flange limit on the surface at holding box body top, it is the step form to return shape flange limit cross-section, the step concave part that returns shape flange limit forms the holding recess with the surface cooperation of holding box body, the top surface height more than or equal to holding box body that returns shape flange limit, the top cap passes through screw assembly and returns shape flange limit locking connection, still be provided with the sealing washer between top cap and the shape flange limit of returning, the sealing washer is from interior outside including the level interior limit that connects gradually, V type connecting portion and horizontal outside, V type connecting portion set up in the holding recess, the top cap bottom that V type connecting portion correspond is provided with the blank pressing. The utility model discloses sealed effectual, the packaging efficiency is high.

Description

Sealing equipment of cable grounding hardware fitting

Technical Field

The utility model relates to a ground connection case field, concretely relates to sealing equipment of cable ground connection gold utensil.

Background

The cable protection grounding box is internally provided with a cable sheath protector, a connecting copper bar, a copper terminal and the like and is used for protecting and grounding the cable sheath. Need accomplish inside seal in the use, the seal structure generally adopts silicon rubber, reaches higher waterproof sealing requirement, and the shell body then adopts cast aluminium or stainless steel shell, and the conductor connecting piece adopts the tinned copper bar to adopt the bolt crimping, the installation is simple, obtains wide application.

At sealed in-process, the silicon rubber is ordinary shape flat structure that returns, and the top cap is pressing the platform clamp of silicon rubber and shell body top and is sealing, in order to satisfy higher sealed effect, need only can realize through the fix with screw that arranges densely, otherwise planar structure's mechanism has great leakage risk, and the screw setting of arranging densely has complex operation, the top cap and corresponds the many scheduling problems of platform punching quantity, and whole required precision is high, influences the packaging efficiency.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a sealing equipment of cable ground connection gold utensil, it is sealed effectual, the packaging efficiency is high.

In order to solve the technical problem, the utility model provides a sealing device of cable grounding hardware fitting, which comprises a containing box body, wherein a top cover is arranged at the top of the containing box body, a clip flange edge is further arranged on the outer surface of the top of the containing box body, the section of the clip flange edge is step-shaped, a step concave part of the clip flange edge is matched with the outer surface of the containing box body to form a containing groove, the top surface height of the clip flange edge is more than or equal to that of the containing box body, the top cover is fixedly connected with the clip flange edge through a screw component, a sealing ring is further arranged between the top cover and the clip flange edge, the sealing ring comprises a horizontal inner edge, a V-shaped connecting part and a horizontal outer edge which are sequentially connected from inside to outside, the V-shaped connecting part is arranged in the containing groove, the bottom of the top cover corresponding to the V-shaped connecting part is provided with a blank pressing, the blank pressing extends into the V-shaped groove of the V, the bottom surface of the top cover is matched with the surfaces of the square flange edges and the top surface of the accommodating box body to clamp the horizontal inner edge and the horizontal outer edge.

Furthermore, when the height of the top surface of the square flange edge is greater than that of the top surface of the accommodating box body, a compensation pressing ring is arranged on the bottom surface of the top cover on the inner side of the pressing edge.

Further, the compensation pressing ring, the top cover and the pressing edge are integrally formed.

Furthermore, the periphery of the top cover is provided with a wrapping edge for wrapping the periphery of the square-shaped flange edge.

Furthermore, a plurality of coaxial cable inlet ends and a first grounding hole are arranged on one side surface of the accommodating box body, a second grounding hole is arranged on the other side surface of the accommodating box body adjacent to the first grounding hole, and the first grounding hole and the second grounding hole are respectively provided with a detachable grounding cable inlet end and a grounding plugging head; be provided with insulating mounting panel in the holding box body, be provided with coaxial cable ground connection subassembly and earth cable chuck on the insulating mounting panel, every coaxial cable inlet wire end all corresponds and is provided with a coaxial cable ground connection subassembly, coaxial cable ground connection subassembly is connected with the earth cable chuck, earth cable chuck bottom is provided with central lockhole and off normal reference column, be provided with fixed orifices and two locating holes on the insulating mounting panel, the contained angle between two locating holes and the fixed orifices is 90 degrees, the earth cable chuck passes through the fix with screw, the screw passes central lockhole and fixed orifices threaded connection, the off normal reference column stretches into and is used for restricting the earth cable chuck rotation in one of them locating hole.

Further, coaxial cable ground connection subassembly is including the outer conductor chuck, inner conductor chuck and the sheath protector that arrange in proper order, the outer conductor chuck is connected with the ground cable chuck, the inner conductor chuck is connected with sheath protector one end, the sheath protector other end is connected with the ground cable chuck.

Furthermore, a chuck rotation stopping edge is arranged on the insulating mounting plate.

The utility model has the advantages that:

1. v type connecting portion and blank pressing cooperation can guarantee that V type connecting portion fill in whole holding recess, have changed the sealed mode of current plane clamp, and sealed effect is better, on the basis of equal sealed effect, the use amount of the screw subassembly that significantly reduces, lock solid operating time shortens to it is few to punch, also effectively improves production efficiency and guarantees joint strength.

2. The square flange edge with the step shape is convenient for independently prepare, can form the holding recess fast with the surface cooperation at holding box body top, reaches stable effect through the welded mode, and overall structure intensity does not change, the equipment position precision of greatly increased sealing washer, the simple operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a schematic diagram of the present invention with a corner connection function;

FIG. 4 is a schematic diagram of the internal components of the present invention;

fig. 5 is a schematic view of the grounding cable clamp structure of the present invention;

fig. 6 is a schematic diagram of the structure of fig. 4 after being switched.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, an embodiment of a sealing device of a cable grounding hardware fitting of the present invention includes a housing box 1, a top cover 2 is disposed on the top of the housing box, a clip flange 3 is further disposed on the outer surface of the top of the housing box, the cross section of the clip flange is step-shaped, a step concave portion of the clip flange is matched with the outer surface of the housing box to form a housing groove 4, the top surface of the clip flange is greater than or equal to the top surface of the housing box, the top cover is locked and connected with the clip flange through a screw assembly, a sealing ring 5 is further disposed between the top cover and the clip flange, the sealing ring includes a horizontal inner edge 51, a V-shaped connecting portion 52 and a horizontal outer edge 53 connected in sequence from inside to outside, the V-shaped connecting portion is disposed in the housing groove, a pressing edge 6 is disposed at the bottom of the top cover corresponding to the V-shaped connecting portion, the pressing edge extends into a V-shaped groove of, the bottom surface of the top cover is matched with the surfaces of the square flange edges and the top surface of the accommodating box body to clamp the horizontal inner edge and the horizontal outer edge.

When the equipment, directly in the V type connecting portion embedding holding recess with the sealing washer, paste tight holding box body top in the level and the surface that the shape flange limit top was returned to the level outside subsides again after compressing tightly a little, it is direct from last installation down to the top cap afterwards, make the blank pressing stretch into in the V type opening of V type connecting portion, through continuous pushing down, V type connecting portion are extruded deformation and fill the holding recess, in order to increase the laminating degree, sealed effect is better, and when accidents such as high-pressure deflagration appear in inside, the V type connecting portion density of deformation is big, the deformation volume is little, the impact force is difficult to deform once more, and the cooperation that blocks of blank pressing, make high-pressure gas just can release through the route of bending, consequently can not follow the level in the very first time and to dash out, play effective explosion-proof and leakage-proof's effect, improve the.

The square flange edge can be fixed on the outer surface of the accommodating box body in a welded mode after being subjected to die-casting forming, the preparation difficulty is small, and the accommodating groove is convenient to form.

When the height of the top surface of the square-shaped flange edge is larger than that of the top surface of the accommodating box body, a compensation pressing ring 7 is arranged on the bottom surface of the top cover on the inner side of the edge pressing, the compensation pressing ring can assist in pressing the sealing ring, the weight of the top cover is reduced, and the compensation pressing ring, the top cover and the edge pressing are made of the same materials and are integrally formed. The peripheral bordure 8 that is provided with cladding time shape flange limit of top cap, avoid outside liquid to cause the corruption shanghai to the sealing washer in sealing washer direct contact, play the guard action to when the equipment, still have the effect of direction installation, convenient operation.

In an embodiment, referring to fig. 3 to 6, a plurality of coaxial cable incoming ends 12 and a first grounding hole 13 are disposed on one side surface of the accommodating box body 11, a second grounding hole 14 is disposed on the other side surface of the accommodating box body adjacent to the first grounding hole, and a detachable grounding cable incoming end 15 and a grounding plugging head 16 are disposed on the first grounding hole and the second grounding hole, respectively; through the shutoff of ground connection shutoff head for the ground connection hole that does not use can be sealed, does not influence holding box body result of use, and when needs change ground cable access position, with ground cable inlet wire end and ground connection shutoff head dismantle respectively the back exchange mounted position and install into first ground connection hole and second ground connection downthehole can, the simple operation can guarantee that the holding box body replaces fast, improves the commonality.

Specifically, an insulating mounting plate 17 is further arranged in the accommodating box body, a coaxial cable grounding assembly 18 and a grounding cable chuck 19 are arranged on the insulating mounting plate, a coaxial cable grounding assembly is correspondingly arranged at each coaxial cable inlet end, the coaxial cable grounding assembly is connected with the grounding cable chuck, and the coaxial cable inlet ends are fixed and unchangeable, so that the coaxial cable grounding assemblies do not need to change positions and can be conveniently connected after the inlet positions are changed, a central locking hole 110 and an offset positioning column 111 are arranged at the bottom of the grounding cable chuck, a fixing hole 112 and two positioning holes 113 are formed in the insulating mounting plate, as shown in fig. 5, the grounding cable chuck is fixed through a screw, the screw penetrates through the central locking hole to be in threaded connection with the fixing hole, and the offset positioning column extends into one of the positioning holes to limit the rotation of the grounding cable chuck. Because first ground connection hole and second ground connection hole are located two adjacent surperficials, consequently the contained angle of first ground connection hole and second ground connection hole is 90 degrees, and here sets up the fixed orifices in the crossing department of the contained angle of first ground connection hole and second ground connection hole, consequently the contained angle between two locating holes and the fixed orifices also designs for 90 degrees, guarantees the axial precision after the ground cable chuck changes the position.

When in use, referring to fig. 4, the coaxial cable and the grounding cable are connected in the same direction, the offset positioning column of the grounding cable chuck extends into the positioning hole close to the second grounding hole, the clamping opening of the grounding cable chuck faces to the grounding cable inlet end, the grounding cable inlet end is installed in the first grounding hole, the grounding plugging head is installed in the second grounding hole, when the grounding cable and the coaxial cable are led in at a vertical corner, the grounding cable inlet end and the grounding plugging head are disassembled and installed at a crossed bottom position, then the screw is loosened to enable the grounding cable chuck to be lifted up, the offset positioning column is separated from the positioning hole, then the grounding cable chuck is rotated, as the screw is not completely unscrewed, the grounding cable chuck rotates around the screw, when the offset positioning column rotates to the upper part of the next positioning hole, the grounding cable chuck is pressed downwards and the offset positioning column enters into the positioning hole, and then the screw is screwed to realize adjustment. The operation is simple and convenient. Of course, in operation, it is necessary to release the connection between the coaxial cable grounding assembly and the grounding cable clamp. After the adjustment is finished, referring to fig. 6, the clamping opening of the grounding cable clamping head faces the second grounding hole, and the grounding cable can be directly connected.

The coaxial cable grounding assembly comprises an outer conductor chuck 120, an inner conductor chuck 121 and a sheath protector 122 which are sequentially arranged, the outer conductor chuck is connected with the grounding cable chuck, the inner conductor chuck is connected with one end of the sheath protector, and the other end of the sheath protector is connected with the grounding cable chuck. The insulating mounting plate is provided with the chuck rotation stopping edge 123, when the outer conductor chuck and the inner conductor chuck are mounted, the outer conductor chuck and the inner conductor chuck firstly lean against the chuck rotation stopping edge and then are locked, so that the fixing can be realized only by one bolt, and the assembly workload is reduced.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The sealing device of the cable grounding hardware fitting is characterized by comprising a containing box body, wherein a top cover is arranged at the top of the containing box body, a circular flange edge is further arranged on the outer surface of the top of the containing box body, the section of the circular flange edge is in a step shape, a step concave portion of the circular flange edge is matched with the outer surface of the containing box body to form a containing groove, the height of the top surface of the circular flange edge is larger than or equal to that of the top surface of the containing box body, the top cover is fixedly connected with the circular flange edge through a screw assembly, a sealing ring is further arranged between the top cover and the circular flange edge, the sealing ring comprises a horizontal inner edge, a V-shaped connecting portion and a horizontal outer edge which are sequentially connected from inside to outside, the V-shaped connecting portion is arranged in the containing groove, a blank pressing is arranged at the bottom of the top cover corresponding to the V-shaped connecting portion, the blank pressing extends into a V-shaped, the bottom surface of the top cover is matched with the surfaces of the square flange edges and the top surface of the accommodating box body to clamp the horizontal inner edge and the horizontal outer edge.

2. The sealing device of the cable grounding hardware fitting as claimed in claim 1, wherein when the height of the top surface of the square flange is greater than that of the top surface of the accommodating box body, a compensation pressing ring is arranged on the bottom surface of the top cover inside the pressing edge.

3. The sealing apparatus for cable grounding hardware as claimed in claim 2, wherein the compensation pressing ring, the top cover and the pressing edge are integrally formed.

4. The sealing device for the cable grounding fitting according to claim 1, wherein the top cover is provided at a periphery thereof with a covered edge covering a periphery of the square flange.

5. The sealing device for the cable grounding hardware fitting of claim 1, wherein a plurality of coaxial cable inlet ends and a first grounding hole are arranged on one side surface of the accommodating box body, a second grounding hole is arranged on the other side surface of the accommodating box body adjacent to the first grounding hole, and the first grounding hole and the second grounding hole are respectively provided with a detachable grounding cable inlet end and a grounding plugging head; be provided with insulating mounting panel in the holding box body, be provided with coaxial cable ground connection subassembly and earth cable chuck on the insulating mounting panel, every coaxial cable inlet wire end all corresponds and is provided with a coaxial cable ground connection subassembly, coaxial cable ground connection subassembly is connected with the earth cable chuck, earth cable chuck bottom is provided with central lockhole and off normal reference column, be provided with fixed orifices and two locating holes on the insulating mounting panel, the contained angle between two locating holes and the fixed orifices is 90 degrees, the earth cable chuck passes through the fix with screw, the screw passes central lockhole and fixed orifices threaded connection, the off normal reference column stretches into and is used for restricting the earth cable chuck rotation in one of them locating hole.

6. The sealing device of the cable grounding fitting as claimed in claim 5, wherein the coaxial cable grounding assembly comprises an outer conductor chuck, an inner conductor chuck and a sheath protector, which are sequentially arranged, the outer conductor chuck is connected with the grounding cable chuck, the inner conductor chuck is connected with one end of the sheath protector, and the other end of the sheath protector is connected with the grounding cable chuck.

7. The sealing device for the cable grounding fitting according to claim 6, wherein a chuck rotation stopping edge is provided on the insulating mounting plate.