CN214314391U

CN214314391U - Block terminal box along cable dissipation gas

Info

Publication number: CN214314391U
Application number: CN202120389644.XU
Authority: CN
Inventors: 曲春颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-09-28
Anticipated expiration: 2031-02-22

Abstract

The utility model relates to the technical field of junction boxes, in particular to a junction box for blocking gas dissipated along a cable, wherein a high-temperature vapor or gas cable possibly polluted by radioactive substances in the cable extends into the barrel from a wire inlet of an upper cover plate, a common cable extends into the barrel from a wire inlet of a lower cover plate, and then the polluted cable core is connected with the common cable core through a plurality of groups of solid cold-pressed junction columns; the multifunctional electric wrench comprises a barrel, a lower cover plate, an upper cover plate, a bakelite plate, a supporting piece, a plurality of groups of semicircular cross screws, a plurality of groups of nuts, a plurality of groups of first gaskets, a plurality of groups of first spring gaskets, a plurality of groups of second spring gaskets and a plurality of groups of solid cold-pressed binding posts.

Description

Block terminal box along cable dissipation gas

Technical Field

The utility model relates to a technical field of terminal box especially relates to a block gaseous terminal box of dissipating along cable.

Background

The application of the current nuclear power technology in the fields of ships and the like is more and more extensive, and at present, domestic cables are influenced by the technology, the production process and the like, and the phenomenon that water vapor or gas polluted by nuclear radiation is dissipated along the inner part of a cable core wire or a gap between the core wire and an insulating layer (an insulating sheath) to cause damage cannot be completely prevented. Therefore, several kinds of terminal boxes that have the function of blocking have been developed and practical application, but current wiring and structure are fairly simple for each cable heart yearn cold pressing wire and cable joint position is unsettled in the terminal box, and the clearance is non-uniform, and after filling insulating silica gel, each cable heart yearn cold pressing wire and cable joint receives insulating silica gel's extrusion, and easy mutual contact, and the difficult cable heart yearn that shields the junction department of terminal box leads to the practicality of equipment to be relatively poor, consequently need to current wiring with improve.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a, the inside has high temperature vapor or gaseous cable that probably is polluted by radioactive substance to stretch into the inside of barrel from the inlet of upper cover plate, ordinary cable stretches into the inside of barrel from the inlet that the lower cover plate got, later through the solid cold pressing terminal post of multiunit with polluted cable core and ordinary cable core be connected, the solid cold pressing terminal of the joint of cable core obtains fixing, stop the contact between each joint, and can pass through the shielding layer on the solid cold pressing terminal post of multiunit, shield the cable core of wiring department, later pour insulating silica gel into the inside of barrel through the watering hole of barrel front end, seal the cable, block probably polluted gas and dispel along the cable, the effectual people that has ensured in this terminal box existence environment, thing etc. do not receive the injury of polluted gas, a junction box for blocking the escape of gases along a cable is of great utility. The utility model discloses a block terminal box along cable escape gas, including barrel, lower cover plate, upper cover plate, bakelite plate, support piece, multiunit semicircle cross screw, multiunit nut, multiunit first packing ring, multiunit first spring packing ring, multiunit second spring packing ring and multiunit solid cold pressing terminal, the front end of barrel is provided with the watering hole, lower cover plate and upper cover plate are respectively through multiunit semicircle cross screw and barrel left end and right-hand member fixed connection, and the side of lower cover plate is provided with the outlet, the side of upper cover plate is provided with the inlet, support piece is through multiunit second packing ring and multiunit second spring packing ring cooperation and lower cover plate right-hand member fixed connection, the bakelite plate is through multiunit cold pressing nut, multiunit first packing ring and multiunit first spring packing ring cooperation and support piece's right-hand member fixed connection, it has multiunit solid terminal post to reserve on the bakelite plate, and a shielding layer is arranged on the solid cold-pressed binding posts.

The utility model discloses a block gaseous terminal box of dissipating along cable, the front end of barrel is provided with the exhaust hole.

The utility model discloses a block along gaseous terminal box of cable escape still includes two sets of TJ type packing box, and two sets of TJ type packing box are fixed in the outlet of apron and the incoming line of upper cover plate down respectively.

The utility model discloses a block along gaseous terminal box of cable dissipation, the inner space of this equipment is less than the inner space of current terminal box.

Compared with the prior art, the beneficial effects of the utility model are that: the cable with high-temperature vapor or gas possibly polluted by radioactive substances inside extends into the cylinder body from the wire inlet of the upper cover plate, the common cable extends into the cylinder body from the wire inlet of the lower cover plate, then the polluted cable core is connected with the common cable core through a plurality of groups of solid cold-pressed wiring columns, the solid cold-pressed wiring columns of the joints of the cable core are fixed, the contact among the joints is avoided, and the shielding layers on the groups of solid cold-pressed wiring columns can be used, shielding the cable core wire at the joint, then pouring insulating silica gel into the barrel through a pouring hole at the front end of the barrel, the cable is sealed, the possible polluted gas is prevented from dissipating along the cable, people, objects and the like in the environment of the junction box are effectively prevented from being damaged by the polluted gas, and the junction box has high practicability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the present invention;

in the drawings, the reference numbers: 1. a barrel; 2. a lower cover plate; 3. an upper cover plate; 4. a bakelite plate; 5. a support member; 6. a half-round head cross screw; 7. a TJ-type stuffing box; 8. a nut; 9. a first gasket; 10. a first spring washer; 11. a second gasket; 12. a second spring washer; 13. solid cold-pressed terminal.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 3, the terminal box for blocking gas dissipated along a cable of the present invention comprises a barrel 1, a lower cover plate 2, an upper cover plate 3, an bakelite plate 4, a support member 5, a plurality of sets of semicircular cross screws 6, a plurality of sets of nuts 8, a plurality of sets of first washers 9, a plurality of sets of first spring washers 10, a plurality of sets of second washers 11, a plurality of sets of second spring washers 12 and a plurality of sets of solid cold-pressed terminal posts 13, wherein a pouring hole is arranged at the front end of the barrel 1, the lower cover plate 2 and the upper cover plate 3 are respectively fixedly connected with the left end and the right end of the barrel 1 through the plurality of sets of semicircular cross screws 6, a wire outlet is arranged at the side end of the lower cover plate 2, a wire inlet is arranged at the side end of the upper cover plate 3, the support member 5 is fixedly connected with the right end of the lower cover plate 2 through the cooperation of the plurality of sets of second washers 11 and the plurality of second spring washers 12, the bakelite plate 4 is fixedly connected with the right end of the support member 5 through the cooperation of the plurality of sets of nuts 8, the sets of first washers 9 and the first spring washers 10, a plurality of groups of solid cold-pressed wiring columns 13 are reserved on the bakelite plate 4, and shielding layers are arranged on the plurality of groups of solid cold-pressed wiring columns 13; the cable with high-temperature vapor or gas possibly polluted by radioactive substances inside extends into the cylinder body from the wire inlet of the upper cover plate, the common cable extends into the cylinder body from the wire inlet of the lower cover plate, then the polluted cable core is connected with the common cable core through a plurality of groups of solid cold-pressed wiring columns, the solid cold-pressed wiring columns of the joints of the cable core are fixed, the contact among the joints is avoided, and the shielding layers on the groups of solid cold-pressed wiring columns can be used, shielding the cable core wire at the joint, then pouring insulating silica gel into the barrel through a pouring hole at the front end of the barrel, the cable is sealed, the possible polluted gas is prevented from dissipating along the cable, people, objects and the like in the environment of the junction box are effectively prevented from being damaged by the polluted gas, and the junction box has high practicability.

The utility model relates to a junction box for blocking the gas dissipated along a cable, the front end of a cylinder body 1 is provided with an exhaust hole; when arranging and irrigating the insulating silica gel through the front end of the barrel body 1, air in the barrel body 1 is discharged from the exhaust holes at the front end of the barrel body 1, so that the irrigation speed is increased, and the convenience of equipment is improved.

The utility model discloses a terminal box for blocking gas dissipated along a cable, which also comprises two groups of TJ-shaped filling boxes 7, wherein the two groups of TJ-shaped filling boxes 7 are respectively fixed at the wire outlet of the lower cover plate 2 and the wire inlet of the upper cover plate 3; two groups of TJ-shaped filling boxes 7 are arranged to seal the wire outlet of the lower cover plate 2 and the wire inlet of the upper cover plate 3, so that the sealing performance of the device is improved.

The utility model discloses a junction box for blocking the gas dissipated along a cable, the internal space of the device is smaller than that of the existing junction box; the inner space of the equipment is smaller than that of the existing junction box, the using amount of insulating silica gel is reduced, the weight of the equipment is reduced, and the practicability of the equipment is improved.

The utility model relates to a block terminal box along cable dissipation gas, its during operation, the contaminated cable at first stretches into the inside of barrel 1 from the inlet of upper cover plate 3, the ordinary cable stretches into the inside of barrel 1 from the inlet of lower cover plate 2, later through the solid cold-pressed terminal pin 13 of multiunit with contaminated cable core and ordinary cable core link, the joint position of cable core is fixed, reduces the contact between each joint, and through the shielding layer on the solid cold-pressed terminal pin 13 of multiunit, shielding the cable core wire at the joint, then discharging the insulating silica gel into the cylinder 1 through a pouring hole at the front end of the cylinder 1, and simultaneously discharging the air in the cylinder 1 through an exhaust hole at the front end of the cylinder 1, the cable may be sealed in the presence of high temperature water vapor or gas that may be contaminated with radioactive substances.

The utility model discloses a block gaseous terminal box of edge cable dissipation, its mounting means, connected mode or set up the mode and be common mechanical type, as long as can reach all can implement of its beneficial effect, technical personnel only need install and operate according to its subsidiary instructions in this industry.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A junction box for blocking gas dissipated along a cable is characterized by comprising a barrel body (1), a lower cover plate (2), an upper cover plate (3), an bakelite plate (4), a supporting piece (5), a plurality of groups of semicircular cross screws (6), a plurality of groups of nuts (8), a plurality of groups of first gaskets (9), a plurality of groups of first spring gaskets (10), a plurality of groups of second gaskets (11), a plurality of groups of second spring gaskets (12) and a plurality of groups of solid cold-pressed binding posts (13), wherein a pouring hole is formed in the front end of the barrel body (1), the lower cover plate (2) and the upper cover plate (3) are fixedly connected with the left end and the right end of the barrel body (1) through the plurality of groups of semicircular cross screws (6), a wire outlet is formed in the side end of the lower cover plate (2), a wire inlet is formed in the side end of the upper cover plate (3), the supporting piece (5) is fixedly connected with the right end of the lower cover plate (2) through the matching of the plurality of groups of second gaskets (11) and the plurality of second spring gaskets (12), the bakelite plate (4) is matched with the right end of the support piece (5) through a plurality of groups of nuts (8), a plurality of groups of first gaskets (9) and a plurality of groups of first spring gaskets (10) to be fixedly connected, a plurality of groups of solid cold-pressed wiring columns (13) are reserved on the bakelite plate (4), and shielding layers are arranged on the plurality of groups of solid cold-pressed wiring columns (13).

2. A terminal block for blocking the escape of gases along a cable as claimed in claim 1, characterized in that the front end of the barrel (1) is provided with vent holes.

3. A terminal block for blocking the escape of gases along a cable according to claim 1, further comprising two sets of TJ-type filling boxes (7), the two sets of TJ-type filling boxes (7) being fixed to the outlet of the lower cover plate (2) and the inlet of the upper cover plate (3), respectively.

4. A connector for blocking gas dissipation along a cable as recited in claim 1, wherein the interior space of the device is smaller than the interior space of prior art connectors.