CN217469430U

CN217469430U - Waterproof assembly for laying subway electric network

Info

Publication number: CN217469430U
Application number: CN202220835210.2U
Authority: CN
Inventors: 刘修亮; 司桂行; 田利
Original assignee: Cr10g Electric Engineering Co ltd; China Railway No 10 Engineering Group Co Ltd
Current assignee: Cr10g Electric Engineering Co ltd; China Railway No 10 Engineering Group Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-09-20
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a waterproof technical field of machinery specifically is a subway electric wire netting is laid and is used waterproof assembly, include: the metal pipe is internally screwed with a stud, one end of the stud is provided with a claw body, the surface of the stud is sleeved with a rubber gasket, the surface of the stud is screwed with a nut, one end of the nut is fixedly connected with a threaded pipe, the surface of the threaded pipe is screwed with a metal shell, the end surface of the stud is provided with a through hole, a baffle is arranged in the through hole, and a rubber plug is arranged in the claw body; the beneficial effects are that: the utility model provides a subway electric wire netting is laid and is had the double-screw bolt with waterproof assembly at the both ends spiro union of tubular metal resonator, and the through-hole has been seted up on the double-screw bolt surface, and double-screw bolt one end is provided with the claw body, packs the rubber buffer into in the claw body, utilizes the nut extrusion claw body to make the claw body tighten up the centre gripping rubber buffer with the nut turn-knob on the double-screw bolt, and nut one end is connected with the screwed pipe, and screwed pipe surface spiro union has the tubular metal resonator, and the tubular metal resonator can play a guard action to the rubber buffer and prevent that the rubber buffer from exposing the outside and influencing the leakproofness.

Description

Waterproof assembly for laying subway power grid

Technical Field

The utility model relates to a waterproof technical field of machinery specifically is a subway electric wire netting is laid and is used waterproof assembly.

Background

The subway power grid is laid mainly by means of cables, the power transmission cannot be carried out without cables, and the water prevention of the cable and a cable joint is an important protection device of electronic power equipment.

In the prior art, when the subway power grid is laid, a waterproof assembly is required to be used at the interface of two cables to prevent the short circuit of a line contacting water.

However, in the prior art, the rubber plug inside the general cable joint waterproof assembly is lack of limit, and may shift during clamping to affect the sealing performance, and the rubber plug is often exposed to the sun, and the rubber plug may be aged for a long time to affect the service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway electric network lays and uses waterproof component to solve the relatively poor problem of subway cable kneck waterproof performance who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a subway electric wire netting is laid and is used waterproof assembly, subway electric wire netting is laid and is used waterproof assembly includes:

the device comprises a metal pipe, wherein studs are screwed at two ends in the metal pipe, one end of each stud is fixedly connected with a claw body, the end surface of each stud is provided with a through hole, a baffle is arranged in each through hole, a rubber plug is inserted into each through hole, and the surface of each stud is sleeved with a rubber gasket;

the nut is in threaded connection with the surface of the stud, one end of the nut is fixedly connected with a threaded pipe, and the surface of the threaded pipe is in threaded connection with a metal shell.

Preferably, the rubber buffer is convex style of calligraphy cylinder structure, and the second through-hole has been seted up to the rubber buffer terminal surface, and the rubber buffer is provided with two sets ofly, and two sets of rubber buffers are about metal pipe symmetric distribution.

Preferably, the claw body is in an arc-shaped plate-shaped structure, a plurality of claw bodies are arranged, the plurality of claw bodies are annularly arranged along the end face of the stud, and a chamfer is arranged at one end of each claw body.

Preferably, the metal shell is of a circular tubular column structure, threads are arranged inside the metal shell, the metal shell is provided with two groups, and the two groups of metal shells are symmetrically distributed around the metal pipe.

Preferably, the rubber gaskets are of circular ring type plate-shaped structures and are provided with two groups, and the two groups of rubber gaskets are symmetrically distributed relative to the metal pipe.

Preferably, the inner diameter of the threaded pipe is smaller than that of the nut, two groups of threaded pipes are arranged, and the two groups of threaded pipes are symmetrically distributed around the metal pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a subway electric wire netting is laid and is used waterproof assembly has the double-screw bolt at the both ends spiro union of tubular metal resonator, and the through-hole has been seted up on the double-screw bolt surface, and double-screw bolt one end is provided with the claw body, packs into the claw body with the rubber buffer in, utilizes nut extrusion claw body to make the claw body tighten up the centre gripping rubber buffer on the double-screw bolt with the nut turn-knob, and nut one end is connected with the screwed pipe, and screwed pipe surface spiro union has the tubular metal resonator, and the tubular metal resonator can play a guard action to the rubber buffer and prevent that the rubber buffer from exposing the outside and influencing the leakproofness.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the claw body and the rubber plug;

FIG. 4 is a schematic view of the internal structure of the stud of the present invention;

fig. 5 is a cross-sectional view of the structure of the present invention in use.

In the figure: the cable comprises a metal tube 1, a stud 2, a rubber gasket 3, a nut 4, a threaded tube 5, a rubber plug 6, a metal shell 7, a first cable 8, a second cable 9, a claw body 10, a baffle 11, a through hole 12 and a second through hole 13.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a subway electric wire netting is laid and is used waterproof assembly, subway electric wire netting is laid and is used waterproof assembly includes: the metal tube comprises a metal tube 1, studs 2 are screwed at two ends in the metal tube 1, one ends of the studs 2 are fixedly connected with claw bodies 10, through holes 12 are formed in the end surfaces of the studs 2, baffle plates 11 are arranged in the through holes 12, rubber plugs 6 are inserted into the through holes 12, rubber gaskets 3 are sleeved on the surfaces of the studs 2, the rubber plugs 6 are of a convex cylindrical structure, second through holes 13 are formed in the end surfaces of the rubber plugs 6, two groups of the rubber plugs 6 are arranged, the two groups of the rubber plugs 6 are symmetrically distributed about the metal tube 1, the claw bodies 10 are of an arc-shaped plate structure, the claw bodies 10 are provided with a plurality of the claw bodies 10 which are annularly arranged along the end surfaces of the studs 2, one ends of the claw bodies 10 are provided with chamfers, the baffle plates 11 are of an annular plate structure, the outer ring surfaces of the baffle plates 11 are fixedly connected to the inner walls of the through holes 12 of the studs 2, the rubber gaskets 3 are of an annular plate structure, the rubber gaskets 3 are provided with two groups, and the two groups of the rubber gaskets 3 are symmetrically distributed about the metal tube 1;

nut 4, the spiro union of nut 4 is on double-screw bolt 2 surfaces, 4 one end fixedly connected with screwed pipe 5 of nut, 5 surperficial spiro unions of screwed pipe have metal casing 7, metal casing 7 is circular tubulose cylinder structure, the inside screw thread that is provided with of metal casing 7, metal casing 7 is provided with two sets ofly, two sets of metal casing 7 are less than the internal diameter of nut 4 about 1 symmetric distribution of metal pipe, 5 internal diameters of screwed pipe, screwed pipe 5 is provided with two sets ofly, two sets of screwed pipe 5 are about 1 symmetric distribution of metal pipe.

The working principle is as follows: when the cable connector is actually used, firstly, the metal shell 7 is screwed on the threaded pipe 5, then the first cable 8 penetrates through the metal shell 7 and the threaded pipe 5, then the rubber plug 6 is clamped in the claw body 10, one end of the rubber plug 6 is clamped in the inner ring surface of the baffle plate 11, the first cable 8 penetrates through the rubber plug 6, the nut 4 is screwed on the stud 2, after the nut 4 is screwed in, the threaded pipe 5 fixedly connected with one end of the nut 4 presses the claw body 10, so that the claw body 10 fixes the rubber plug 6, the claw body 10 has certain elasticity, one end of the stud 2 is screwed on the metal pipe 1, the rubber gasket 3 is sleeved on the stud 2, so that the nut 4 is in contact sealing with the metal pipe 1, then the second cable 9 penetrates through the other half of the same structure in the same mode, then the first cable 8 is connected with the second cable 9, the connector is placed in the metal pipe 1, the stud 2 at the other end is screwed into the metal pipe 1, therefore, the two ends of the cable are sealed and waterproof, and the metal shell 7 can protect the rubber plug 6 from being exposed to the sun when being used in an outdoor subway section, so that the service life of the rubber plug 6 is not influenced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a subway electric net lays and uses waterproof component which characterized in that: subway electric wire netting is laid and is used waterproof assembly includes: the device comprises a metal pipe (1), studs (2) are screwed at two ends in the metal pipe (1), a claw body (10) is fixedly connected at one end of each stud (2), a through hole (12) is formed in the end face of each stud (2), a baffle (11) is arranged in each through hole (12), a rubber plug (6) is inserted into each through hole (12), and a rubber gasket (3) is sleeved on the surface of each stud (2);

the nut (4) is screwed on the surface of the stud (2), one end of the nut (4) is fixedly connected with a threaded pipe (5), and the surface of the threaded pipe (5) is screwed with a metal shell (7);

the claw bodies (10) are in arc-shaped plate-shaped structures, a plurality of claw bodies (10) are arranged, the plurality of claw bodies (10) are annularly arranged along the end face of the stud (2), and a chamfer is arranged at one end of each claw body (10).

2. The waterproof assembly for laying the subway electric net according to claim 1, wherein: rubber buffer (6) are convex type cylinder structure, and second through-hole (13) have been seted up to rubber buffer (6) terminal surface, and rubber buffer (6) are provided with two sets ofly, and two sets of rubber buffer (6) are about metal tube (1) symmetric distribution.

3. The waterproof assembly for laying the subway electric net according to claim 2, wherein: the metal shell (7) is of a circular tubular column structure, threads are arranged inside the metal shell (7), the metal shell (7) is provided with two groups, and the two groups of metal shells (7) are symmetrically distributed about the metal pipe (1).

4. The waterproof assembly for laying the subway electric net according to claim 3, wherein: the baffle (11) is of a circular ring plate-shaped structure, and the outer ring surface of the baffle (11) is fixedly connected to the inner wall of the through hole (12) of the stud (2).

5. The waterproof assembly for laying the subway electric net according to claim 4, wherein: the rubber gasket (3) is of a circular ring type plate-shaped structure, the rubber gasket (3) is provided with two groups, and the two groups of rubber gaskets (3) are symmetrically distributed about the metal pipe (1).

6. The waterproof assembly for laying the subway electric net according to claim 5, wherein: the inner diameter of the threaded pipe (5) is smaller than that of the nut (4), two groups of threaded pipes (5) are arranged, and the two groups of threaded pipes (5) are symmetrically distributed relative to the metal pipe (1).