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CN-224217779-U - Bus shell joint connection structure

CN224217779UCN 224217779 UCN224217779 UCN 224217779UCN-224217779-U

Abstract

The utility model relates to the technical field of GIS shells and discloses a bus shell joint connection structure, which comprises a shell, wherein a mounting hole is formed in the shell, an inner end is connected to one end of the inner side of the shell through threads, a threading hole I is formed in the inner terminal in a penetrating manner, a connecting ring I of the inner terminal extends into the mounting hole, a connecting column is connected to one end of the inner terminal in the mounting hole through threads, a connecting hole is formed in one end of the connecting column, which is far away from the inner terminal, an outer terminal is connected to the inner thread of the connecting hole, a threading hole II is formed in the outer terminal in a penetrating manner, sealing rings are sleeved on the connecting column and the inner terminal together, and are abutted against the inner wall of the mounting hole.

Inventors

  • JI YU
  • ZHANG CHAO
  • WANG JIANWU
  • Lv Suming

Assignees

  • 江苏金穗能源设备制造有限公司

Dates

Publication Date
20260508
Application Date
20250428

Claims (6)

  1. 1. A bus shell joint connection structure comprises a shell (1), wherein a mounting hole (11) is formed in the shell (1), the bus shell joint connection structure is characterized in that the mounting hole (11) is connected with an inner terminal (2) through threads at one end of the inner side of the shell, a first threading hole (24) is formed in the inner terminal (2) in a penetrating mode, a first connecting ring (23) of the inner terminal (2) extends into the mounting hole (11), a connecting column (3) is connected with one end of the inner terminal (2) in the mounting hole (11) in a threaded mode, a connecting hole (34) is formed in one end of the connecting column (3) away from the inner terminal (2), an outer terminal (4) is connected with an inner thread, a second threading hole (43) is formed in the outer terminal (4) in a penetrating mode, a sealing ring (6) is sleeved on the connecting column (3) and the inner terminal (2) in a joint mode, and the sealing ring (6) abuts against the inner wall of the mounting hole (11).
  2. 2. The bus shell joint connection structure according to claim 1, wherein the boss (33) is arranged on the column body (31) of the connecting column (3), the sealing ring (6) comprises an air bag (61), the air bag (61) is abutted against the surface of the column body (31) and the table top of the boss (33), corrugated sealing rings (62) are connected to two sides of the air bag (61), the corrugated sealing rings (62) on two sides are respectively sleeved on the outer side of the boss (33) and the outer side of the first connecting ring (23), the outer sides of the air bag (61) and the corrugated sealing rings (62) are abutted against the inner wall of the mounting hole (11), and one ends, deviating from the corrugated sealing rings (62), of the two sides are respectively abutted against the first end cover (21) of the inner terminal (2) and the second end cover (41) of the outer terminal (4).
  3. 3. The bus shell joint connection structure according to claim 2, wherein one side of the first threading hole (24) facing the mounting hole (11) is connected with a wire pressing ring (25), the wire pressing ring (25) is in a frustum shape, one end of the column body (31) facing the inner terminal (2) is provided with a wire pressing end (32), and the wire pressing end (32) can be abutted against the wire pressing ring (25).
  4. 4. The bus shell joint connection structure according to claim 3, wherein the first wire pressing groove (26) is formed in the first wire pressing groove (25), the cross section of the first wire pressing groove (26) is trapezoid, the long bottom edge of the trapezoid of the first wire pressing groove (26) is arranged on the first wire pressing groove (25), the pressing ring (5) is inserted into the first wire pressing groove (26), and the pressing end (32) is abutted against the pressing ring (5).
  5. 5. The bus shell joint connection structure according to claim 4, wherein a second wire pressing groove (35) is formed in the bottom of the connecting hole (34), and the second wire pressing hole (43) is communicated with the second wire pressing groove (35).
  6. 6. The bus shell joint connection structure according to claim 5, wherein the first end cover (21) and the second end cover (41) are respectively abutted against the inner wall and the outer wall of the shell (1), a fixing ring (22) is arranged on the first end cover (21), the fixing ring (22) is in threaded connection with the shell (1), the second end cover (41) is connected with a second connecting ring (42), and the second connecting ring (42) is in threaded connection with the connecting hole (34).

Description

Bus shell joint connection structure Technical Field The utility model relates to the technical field of GIS shells, in particular to a bus shell joint connection structure. Background The GIS high-voltage switch is an important switching device of an electric system of a power plant and a transformer station, and insulating gas is filled in the GIS high-voltage switch, so that the GIS high-voltage switch has the function of isolating voltage. The insulating property is closely related to the sealing capability, so that the manufacturing precision and the connection performance of each part are required to be high. At present, when GIS casing generating line on the market is connected, enclose on the generating line and establish two rubber rings generally, two rubber rings follow the inside and outside both sides shutoff connector of casing to realize the sealing of casing when fixed generating line, but for guaranteeing sealing performance, be interference connection between rubber ring and the connector, inconvenient operation when making installation and dismantlement. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide a bus shell joint connection structure which is convenient to install and good in sealing effect. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a busbar shell connects connection structure, includes the shell, the mounting hole has been seted up on the shell, the mounting hole has inner terminal at the inboard one end threaded connection of casing, the first through wires hole has been seted up in running through on the inner terminal, the go-between of inner terminal extends into in the mounting hole, the one end threaded connection of inner terminal in the mounting hole has the spliced pole, the spliced pole has been seted up to the one end that the spliced pole deviates from the inner terminal, the connecting hole female connection has the outer terminal, the second through wires hole has been seted up in running through on the outer terminal, the sealing ring has been cup jointed jointly on spliced pole and the inner terminal, sealing ring and the downthehole wall looks butt of mounting. The connecting column is further provided with a boss on the column body of the connecting column, the sealing ring comprises an air bag, the air bag is abutted against the surface of the column body and the table surface of the boss, the two sides of the air bag are connected with corrugated sealing rings, the corrugated sealing rings on the two sides are respectively sleeved on the outer side of the boss and the outer side of the first connecting ring, the air bag and the outer side of the corrugated sealing rings are abutted against the inner wall of the mounting hole, and one ends, deviating from each other, of the corrugated sealing rings on the two sides are respectively abutted against the first end cover of the inner terminal and the second end cover of the outer terminal. The utility model is further characterized in that one side of the threading Kong Yichao towards the mounting hole is connected with a wire pressing ring, the wire pressing ring is in a frustum shape, one end of the column body towards the inner terminal is provided with a wire pressing end, and the wire pressing end can be abutted with the wire pressing ring. The wire pressing ring is further provided with a first wire pressing groove, the cross section of the first wire pressing groove is trapezoid, the long bottom edge of the trapezoid of the first wire pressing groove is arranged on the wire pressing ring, a pressing ring is inserted into the first wire pressing groove, and the wire pressing end is abutted against the pressing ring. The utility model is further characterized in that a second thread pressing groove is formed at the bottom of the connecting hole, and the second thread pressing hole is communicated with the second thread pressing groove. The utility model further provides that the first end cover and the second end cover are respectively abutted against the inner wall and the outer wall of the shell, the first end cover is provided with a fixed ring, the fixed ring is in threaded connection with the shell, the second end cover is connected with a second connecting ring, and the second connecting ring is in threaded connection with the connecting hole. The utility model has the advantages that: 1. The inner side of the shell is in threaded connection with the inner end, the connecting column is in threaded connection with the outer terminal, the sealing ring is sleeved on the connecting column, the air bag is arranged in the middle of the sealing ring, the corrugated sealing rings are arranged on two sides of the air bag, when the inner terminals and the outer terminals on two sides are installed in place, the corrugated sealing rings are inwards extruded, at the moment