CN212435325U

CN212435325U - Sealing mechanism of power distribution cabinet cable interface

Info

Publication number: CN212435325U
Application number: CN202020817356.5U
Authority: CN
Inventors: 王世伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-17
Filing date: 2020-05-17
Publication date: 2021-01-29
Anticipated expiration: 2030-05-17

Abstract

The utility model provides a sealing mechanism of switch board cable interface, including shell and sealed chamber, the embedding of sealed chamber sets up inside the shell, the utility model discloses a be provided with gasbag one and gasbag two, through gasbag one and gasbag two of size difference, gasbag one and gasbag two are closed gasbag, and inside is filled into compressed air, and gasbag one and two inside compressed air of gasbag extrude the gasbag to the cable during the use, make the gasbag closely laminate in the cable surface, prevent that steam from getting into the kneck of cable, prevent that the gasbag from taking place the phenomenon of leaking gas in the use.

Description

Sealing mechanism of power distribution cabinet cable interface

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to sealing mechanism of switch board cable interface.

Background

The sealing mechanism of switch board cable interface is arranged in the switch board, carries out the device of sealing treatment to the junction of two cables, has the sealing mechanism of various switch board cable interface on the market at present, for example, the cable interface of the assembly of being convenient for of use is convenient for later stage operating personnel to the maintenance of interface and is changed.

But the sealing mechanism of traditional switch board cable interface, one, use inflatable gasbag as main sealing mechanism, fill into gas through the pneumatic valve toward gasbag inside during the use, the gap of cable interface is filled up to the volume grow after the gasbag is aerifyd, but in the in-service use process, the easy gas leakage of pneumatic valve department of gasbag leads to the leakproofness to reduce, two, when the use, the position of unable fixed gasbag, lead to the gasbag to aerify the back and take place the displacement and can't closely laminate in the cable, lead to steam to permeate the entering kneck easily, make cable contact bad.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art, the utility model discloses aim at when solving and using inflatable gasbag, the pneumatic valve department of gasbag leaks gas easily, and the position of unable fixed gasbag, and the displacement takes place after the gasbag is aerifyd, can't closely laminate in the cable surface, leads to steam to follow the technical problem of the gap infiltration of gasbag and cable easily, provides a switch board cable interface's sealing mechanism.

In order to achieve the above object, the utility model provides a following technical scheme:

a sealing mechanism of a cable interface of a power distribution cabinet comprises a shell and a sealing cavity, wherein the sealing cavity is embedded in the shell;

the housing includes: the cooling device comprises a first through hole, a screw, a second through hole, a first fixing block, a third through hole, a limiting block, a rubber sleeve and a cooling fin, wherein the first through hole is formed in the upper portion of the left side of the shell, the screw is embedded in the first through hole, the second through hole is formed in the middle of the left side of the shell, the first fixing block is fixedly connected to the upper portion of the right side of the shell, the third through hole is formed in the first fixing block, the limiting block is fixedly connected to the top end of the inner portion of the shell, the rubber sleeve is;

the sealed chamber includes: the novel rubber sealing device comprises a pressing plate, a second fixing block, a rubber ring, a first air bag and a second air bag, wherein the pressing plate is movably connected to the left side of a sealing cavity, the two fixing blocks are fixedly connected to the top of the left side of the pressing plate, the rubber ring is tightly attached to the right side of the pressing plate, the first air bag is tightly attached to the right side of the rubber ring, and the second air bag is tightly attached to the right side of the air bag.

Preferably, the first through hole and the third through hole are internally provided with threads.

Preferably, the first through hole is as high as the second fixing block, and the right side of the screw is tightly attached to the left side of the second fixing block.

Preferably, the left side and the right side of the shell are both provided with a second through hole and are both arranged at the same height.

Preferably, the rubber ring is bonded with the pressing plate through glue, and the pressing plate and the rubber ring are arranged at two positions in a horizontal and symmetrical mode.

Preferably, the air bags are provided with two positions in total, the two positions are arranged on the left side and the right side of the air bag II, and the size of the air bag I is larger than that of the air bag II.

Preferably, the first air bag and the second air bag are both closed air bags, and compressed air is filled in the first air bag and the second air bag.

Has the advantages that:

(1) the utility model discloses a be provided with gasbag one and gasbag two, through gasbag one and gasbag two of size difference, gasbag one and gasbag two are closed gasbag, and inside is filled into compressed air, and gasbag one and the inside compressed air of gasbag two extrude the gasbag to the cable during the use, make the gasbag closely laminate in the cable surface, prevent that steam from getting into the kneck of cable, prevent that the phenomenon of gasbag emergence gas leakage in the use.

(2) Secondly, through being provided with clamp plate and fixed block, further compress the gasbag through the clamp plate, the gasbag receives the cable of laminating more behind the extrusion of clamp plate, simultaneously, through clamp plate and stopper with the activity space compression of gasbag, fixes the position of gasbag, prevents that the gasbag from taking place the displacement and can't closely laminate the cable in the use, has avoided steam to follow the infiltration of the gap department of gasbag and cable, convenient to use.

Drawings

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

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

Description of the reference numerals

The air bag structure comprises a shell 1, a first through hole 101, a screw 102, a second through hole 103, a first fixing block 104, a third through hole 105, a limiting block 106, a rubber sleeve 107, a radiating fin 108, a sealing cavity 2, a pressing plate 201, a second fixing block 202, a rubber ring 203, a first air bag 204 and a second air bag 205.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the embodiment of the present invention, as shown in fig. 1-4, the sealing mechanism of the cable interface of the power distribution cabinet includes a housing 1 and a sealing cavity 2, and the sealing cavity 2 is embedded inside the housing 1;

the housing 1 includes: the heat dissipation device comprises a first through hole 101, a screw 102, a second through hole 103, a first fixing block 104, a third through hole 105, a limiting block 106, a rubber sleeve 107 and a heat dissipation sheet 108, wherein the first through hole 101 is formed in the upper left side of the shell 1, the screw 102 is embedded in the first through hole 101, the second through hole 103 is formed in the middle of the left side of the shell 1, the first fixing block 104 is fixedly connected to the upper right side of the shell 1, the third through hole 105 is formed in the first fixing block 104, the limiting block 106 is fixedly connected to the top end of the inner portion of the shell 1, the rubber sleeve 107 is;

the capsule 2 comprises: the pressing plate 201, the second fixing block 202, the rubber ring 203, the first air bag 204 and the second air bag 205 are movably connected to the left side of the sealing cavity 2, the second fixing block 202 is fixedly connected to the upper portion of the left side of the pressing plate 201, the rubber ring 203 is tightly attached to the right side of the pressing plate 201, the first air bag 204 is tightly attached to the right side of the rubber ring 203, and the second air bag 205 is tightly attached to the right side of the first air bag 204.

Preferably, the first through hole 101 and the third through hole 105 are internally provided with threads, the threads inside the first through hole 101 are matched with the screw 102, so that the screw 102 can rotate conveniently, and the threads reserved inside the third through hole 105 are used for fixing the shell 1.

Preferably, the height of the first through hole 101 is the same as that of the second fixed block 202, the right side of the screw 102 is closely attached to the left side of the second fixed block 202, the first through hole 101 and the fixed block 202 are arranged at the same height, when the screw 102 rotates, the fixed block 202 is pressed rightwards, the pressing plate 201 is pressed by the fixed block 202, the positions of the first air bag 204 and the second air bag 205 are fixed, and the first air bag 204 and the second air bag 205 are prevented from being displaced to generate gaps.

The preferred, the left and right sides of shell 1 all is provided with two through-holes 103, and all sets up to same height, and two through-holes 103 are used for inserting the cable, set up to same height and make the connection of cable more firm.

Preferably, the rubber ring 203 and the pressing plate 201 are bonded by glue, and the pressing plate 201 and the rubber ring 203 are arranged at two positions, which are horizontally and symmetrically arranged, so that dust and the like are prevented from entering the device through the rubber ring 203, and meanwhile, friction between the first air bag 204 and the pressing plate 201 is avoided, and the first air bag 204 is prevented from being damaged.

Preferably, the first airbag 204 is provided with two positions, which are both arranged on the left side and the right side of the second airbag 205, and the size of the first airbag 204 is larger than that of the second airbag 205, so that the moving space of the second airbag 205 is further compressed through the first airbag 204, and meanwhile, the position of the second airbag 205 can be further fixed by the limiting block 106, thereby preventing the second airbag 205 from being displaced and being unable to be tightly attached to the cable.

Preferably, the first airbag 204 and the second airbag 205 are both closed airbags, and compressed air is filled inside the closed airbags, the first airbag 204 and the second airbag 205 are extruded to the cable by the compressed air inside the first airbag 204 and the second airbag 205, and meanwhile, the closed airbags avoid the phenomenon of air leakage and are more convenient to use.

Further, the first air bag 204 and the second air bag 205 are made of soft rubber.

The working principle is as follows: firstly, when the cable sealing device is used, the cable is inserted into the sealing cavity 2 through the through hole II 103, external dust is prevented from entering the sealing cavity 2 through the rubber ring 203, then the screw 102 is rotated to extrude the fixing block II 202, the pressing plate 201 further extrudes the movable space of the air bag I204 and the air bag II 205 through the fixing block II 202, the positions of the air bag I204 and the air bag II 205 are fixed, the air bag I204 and the air bag II 205 are prevented from displacement, and then after the air bag I204 and the air bag II 205 are extruded, the volumes of the air bag I204 and the air bag II 205 are continuously increased and tightly attached to the cable to fix the cable, meanwhile, water vapor is prevented from permeating from a gap between the air bag I204 and the cable, and a sealing effect is achieved;

next, the limiting block 106 of the rubber sleeve 107 is nested on the outer side, the first air bag 204 and the second air bag 205 are prevented from displacing, meanwhile, the rubber sleeve 107 protects the first air bag 204 and the second air bag 205, the first air bag 204 and the second air bag 205 are prevented from rubbing with the shell 1, the first air bag 204 and the second air bag 205 are prevented from being damaged, the effect of protecting the first air bag 204 and the second air bag 205 is achieved, finally, the shell 1 is fixed at a specified position through the third through hole 105, in the using process, the cable generates heat after being electrified, heat is conducted to the air through the radiating fins 108 on the outer side of the shell 1, and the heat accumulation is prevented from causing materials to age, and the use is convenient.

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides a sealing mechanism of switch board cable interface, includes shell (1) and seal chamber (2), its characterized in that: the sealing cavity (2) is embedded in the shell (1);

the housing (1) comprises: the heat dissipation device comprises a first through hole (101), a screw (102), a second through hole (103), a first fixing block (104), a third through hole (105), a limiting block (106), a rubber sleeve (107) and a heat dissipation fin (108), wherein the first through hole (101) is arranged above the left side of the shell (1), the screw (102) is embedded into the first through hole (101), the second through hole (103) is arranged in the middle of the left side of the shell (1), the first fixing block (104) is fixedly connected above the right side of the shell (1), the third through hole (105) is arranged in the first fixing block (104), the limiting block (106) is fixedly connected to the top end of the interior of the shell (1), the rubber sleeve (107) is nested outside the limiting block (106), and the heat dissipation fin (108) is fixedly connected to the;

the sealed chamber (2) comprises: clamp plate (201), fixed block two (202), rubber ring (203), gasbag one (204) and gasbag two (205), clamp plate (201) swing joint is in seal chamber (2) left side, fixed block two (202) fixed connection is in clamp plate (201) left side top, rubber ring (203) closely laminates in clamp plate (201) right side, gasbag one (204) closely laminates in rubber ring (203) right side, gasbag two (205) closely laminate in gasbag one (204) right side.

2. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: threads are arranged inside the first through hole (101) and the third through hole (105).

3. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: the height of the first through hole (101) is the same as that of the second fixing block (202), and the right side of the screw (102) is tightly attached to the left side of the second fixing block (202).

4. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: and the left side and the right side of the shell (1) are both provided with a second through hole (103) and are both arranged at the same height.

5. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: the rubber ring (203) is bonded with the pressing plate (201) through glue, and the pressing plate (201) and the rubber ring (203) are arranged at two positions in a horizontal and symmetrical mode.

6. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: the first air bag (204) is provided with two positions which are arranged on the left side and the right side of the second air bag (205), and the size of the first air bag (204) is larger than that of the second air bag (205).

7. The sealing mechanism for cable interfaces of power distribution cabinets according to claim 1, characterized in that: the first air bag (204) and the second air bag (205) are both closed air bags, and compressed air is filled in the air bags.