CN211265338U - Sealed shell for load control switch - Google Patents
Sealed shell for load control switch Download PDFInfo
- Publication number
- CN211265338U CN211265338U CN201921976155.3U CN201921976155U CN211265338U CN 211265338 U CN211265338 U CN 211265338U CN 201921976155 U CN201921976155 U CN 201921976155U CN 211265338 U CN211265338 U CN 211265338U
- Authority
- CN
- China
- Prior art keywords
- shell
- control switch
- sealing
- negative control
- hole
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000007797 corrosion Effects 0.000 claims abstract description 11
- 238000005260 corrosion Methods 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 24
- 239000013642 negative control Substances 0.000 claims description 12
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 239000012945 sealing adhesive Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
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Abstract
The utility model discloses a sealed shell for load control switch, which comprises a shell and a connecting frame, wherein the shell is a cylindrical shell with an opening at the front end, a front end cover with matched size and shape is arranged at the opening at the front end of the shell, a first through hole is arranged in the middle of the front surface of the front end cover along the front-back direction, second through holes are arranged on the left side surface and the right side surface of the shell respectively, the positions of the second through holes on the left side surface and the right side surface of the shell are correspondingly arranged, and a sealing interface is arranged at the positions of the second through holes on; the connecting frame is connected with the lower surface of the shell. The utility model discloses be in the totally enclosed state, the condition such as corruption oxidation can not appear in inside conducting part, and the conducting part resistance is stable, has prolonged the life of device greatly, has overcome the exposed resistance increase, contact failure, the short, the repeated defect of changing that causes such as oxidation corrosion in atmospheric environment of burden accuse switch.
Description
Technical Field
The utility model relates to a casing especially relates to a burden accuse switch is with sealed housing.
Background
The negative control switch is a switch electric appliance between the breaker and the isolating switch, has a simple arc-extinguishing device, is mainly used for switching on or off load current, and is widely used in a 10 KV distribution network system due to convenient use and reasonable price. At present, install the burden accuse switch in outdoor, often can receive external environment's such as rainwater, humid environment, dust influence, the conductive part of burden accuse switch easily causes the damage of burden accuse switch because of external environment corruption and oxidation, also can cause certain damage to burden accuse switch body structure in the transportation, can only rely on the deciliter index judgement of shell after the operation of some burden accuse switches, can not see obvious disconnection point, influence the use and the life-span of burden accuse switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a burden accuse switch is with sealed housing can protect burden accuse switch in use or transportation, can observe the casing of the inside condition simultaneously.
The utility model adopts the following technical proposal:
a sealed shell for a load control switch comprises a shell and a connecting frame, wherein the shell is a cylindrical shell with an opening at the front end, a front end cover with a matched size and shape is arranged at the opening at the front end of the shell, a first through hole is formed in the middle of the front surface of the front end cover, second through holes are formed in the left side surface and the right side surface of the shell, the positions of the second through holes in the left side surface and the right side surface of the shell are correspondingly arranged, and sealing interfaces are formed in the second through holes in the left side surface and the right; the connecting frame is connected with the lower surface of the shell.
The sealing interface comprises a connecting plate, a connecting part and a sealing cover, the connecting part is of a cylindrical structure with an opening at the right end, the left side face of the connecting part is connected with the right side face of the connecting plate, a third through hole is arranged in the middle of the right side face of the connecting plate, the size and the shape of the third through hole are matched with those of the second through hole, a fourth through hole is arranged on the left side face of the connecting part, the size and the shape of the fourth through hole are matched with those of the third through hole.
The connecting plate right flank's interface portion top and below all be provided with the pillar, sealed lid upper end is provided with the couple, the couple sets up with the pillar cooperation of interface portion top, sealed lid lower extreme is provided with the lantern ring, the lantern ring rotates the pillar outside of setting below the interface portion.
The side surface of the interface part is provided with a sealing groove, and the sealing plate is arranged in the sealing groove.
The connecting frame is fixedly connected with the shell.
The shell downside be provided with logical groove, the shell downside matches with logical groove size and shape and is provided with the glass observation window.
The glass used for the glass observation window is colorless and transparent organic glass.
The glass observation window is fixedly connected with the shell through screws, a sealing gasket is arranged between the glass observation window and the shell, and a sealing adhesive is arranged at the contact position of the outer edge of the glass observation window and the front side face of the shell.
The cavity in the shell is transversely provided with a partition board which is arranged in front of and behind the second through holes in the front-back direction, the cavity positions corresponding to the second through holes in the left side surface and the right side surface of the shell are separated into independent sub-chambers, and the cavity in the shell is filled with inert gas.
The shell and the connecting frame are both made of 304 stainless steel, and the outer surface of the shell is provided with a corrosion-resistant layer.
The utility model discloses whole sealing and inner structure's insulation treatment has improved the sealing insulation performance of device, has effectively completely cut off the emergence of bad weather to the damage of device and the foreign matter short circuit condition, has improved the utility model discloses a life and circuit safe operation level, casing are in full encapsulated situation, and the condition such as oxidation can not appear corroding in inside conducting part, and the conducting part resistance is stable, has prolonged the life of device greatly, has overcome the exposed resistance increase that causes such as oxidation corrosion in atmospheric environment of burden accuse switch, contact failure, life are short, defect such as repetition replacement.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a bottom view of the present invention;
FIG. 4 is a front view of the seal interface;
FIG. 5 is a left side view of the sealing interface;
FIG. 6 is a schematic cross-sectional view of a glass inspection window.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 6, the sealing housing for load control switch of the present invention comprises a housing 1 and a connecting frame 2, wherein the housing 1 is a cylindrical structure with an open front end, a front end cover 3 with a size and a shape matching with each other is arranged at the front end opening of the housing 1, a first through hole 4 is arranged in the middle of the front surface of the front end cover 3, second through holes 5 are arranged on the left and right sides of the housing 1, the positions of the second through holes 5 on the left and right sides of the housing 1 are arranged correspondingly, and sealing interfaces 6 are arranged at the second through holes 5 on the left and right sides of the housing 1; the connecting frame 2 is fixedly connected with the lower surface of the shell 1.
In this embodiment, the sealing interface 6 includes a connecting plate 6-1, an interface part 6-2 and a sealing cover 6-3, the interface part 6-2 is a cylindrical structure with an opening at the right end, when the right part of the interface part 6-2 is matched with the conductive part of the negative control switch, the inner wall of the right part of the interface part 6-2 can be attached to the conductive part, so that the tightness of the utility model is improved, the internal oxidation of the negative control switch is prevented, the left side surface of the interface part 6-2 is connected with the right side surface of the connecting plate 6-1, the middle part of the right side surface of the connecting plate 6-1 is provided with a third through hole 6-4, the size and the shape of the third through hole 6-4 are matched with those of the second through hole 5, the left side surface of the interface part 6-2 is provided with a fourth through hole, the size and the shape of the fourth through hole are matched with those of the third through hole 6-4, and the sealing cover 6-; pillars 6-5 are arranged above and below the interface part 6-2 on the right side surface of the connecting plate 6-1, a hook 6-6 is arranged at the upper end of the sealing cover 6-3, the hook 6-6 is matched with the pillar 6-5 above the interface part 6-2, a lantern ring 6-7 is arranged below the sealing cover 6-3, the lantern ring 6-7 is rotatably arranged outside the pillar 6-5 at the lower end of the interface part 6-2, and when the utility model is not used, the sealing cover 6-3 is used for sealing the interface part 6-2.
To further enhance the utility model, the front side of the right end of the interface part 6-2 is provided with a sealing groove 6-8, when the interface part 6-2 is used, the sealing groove 6-8 does not affect the sealing performance of the utility model, when the utility model is not used, the sealing plate seals the sealing interface 6 through the sealing groove 6-8.
1 downside of shell is provided with logical groove, and 1 downside of shell matches with logical groove size and shape and is provided with glass observation window 7, and the staff of being convenient for can observe the utility model discloses the inside particular case, the glass that glass observation window 7 used is colorless transparent organic glass, and the organic glass transparency is high, and the staff of being convenient for observes, and glass observation window 7 passes through screw and 1 fixed connection of shell, and glass observation window 7 is provided with sealed pad 8 with 1 junction of shell, with the reinforcing the utility model discloses a leakproofness, glass observation window 7 is outer to be provided with sealed glue 9 along with 1 leading flank contact department of shell, increases the stability that glass observation window 7 and shell 1 are connected, further strengthens simultaneously the utility model discloses a leakproofness.
Transversely be provided with baffle 10 in the inside cavity of shell 1, baffle 10 sets up in the place ahead and the rear of second through-hole 5 along the fore-and-aft direction, separates the cavity position that second through-hole 5 of the 1 left and right sides face of shell corresponds for solitary minute room 11, further increases the utility model discloses a leakproofness has inert gas in the shell 1, like FS6 gas, prevents the inside oxidation of shell 1, as arc extinguishing and insulating medium, reinforcing simultaneously the utility model discloses a security.
In the utility model, the shell 1 and the connecting frame 2 are both made of 304 stainless steel, and the shell 1 and the connecting frame 2 are fixedly connected, such as welded; the surface of casing is provided with corrosion-resistant layer, and corrosion-resistant layer can be corrosion-resistant plastic layer or corrosion-resistant lacquer layer, the reinforcing the utility model discloses a corrosion resistance.
Through right the utility model discloses wholly seal and inner structure's insulation treatment, improved the sealing insulation performance of device, effectively isolated bad weather to the damage of device and the emergence of the foreign matter short circuit condition, improved the utility model discloses a life and circuit safe operation level, casing are in full encapsulated situation, and the condition such as corrosion oxidation can not appear in inside conducting part, and the conducting part resistance is stable, has prolonged the life of device greatly, has overcome the exposed resistance increase that causes such as oxidation corrosion in the atmospheric environment of burden accuse switch, contact failure, life weak point, repeated change etc.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a burden accuse switch is with sealed casing which characterized in that: the connecting device comprises a shell and a connecting frame, wherein the shell is a cylindrical shell with an opening at the front end, a front end cover with a size and a shape matched with each other is arranged at the opening at the front end of the shell, a first through hole is formed in the middle of the front surface of the front end cover, second through holes are formed in the left side surface and the right side surface of the shell respectively, the positions of the second through holes in the left side surface and the right side surface of the shell are correspondingly arranged, and sealing interfaces are arranged at the positions of; the connecting frame is connected with the lower surface of the shell.
2. The hermetic case for a negative control switch according to claim 1, characterized in that: the sealing interface comprises a connecting plate, a connecting part and a sealing cover, the connecting part is of a cylindrical structure with an opening at the right end, the left side face of the connecting part is connected with the right side face of the connecting plate, a third through hole is arranged in the middle of the right side face of the connecting plate, the size and the shape of the third through hole are matched with those of the second through hole, a fourth through hole is arranged on the left side face of the connecting part, the size and the shape of the fourth through hole are matched with those of the third through hole.
3. The hermetic case for a negative control switch according to claim 2, characterized in that: the connecting plate right flank's interface portion top and below all be provided with the pillar, sealed lid upper end is provided with the couple, the couple sets up with the pillar cooperation of interface portion top, sealed lid lower extreme is provided with the lantern ring, the lantern ring rotates the pillar outside of setting below the interface portion.
4. The hermetic case for a negative control switch according to claim 3, characterized in that: the side surface of the interface part is provided with a sealing groove, and the sealing plate is arranged in the sealing groove.
5. The hermetic case for a negative control switch according to claim 1, characterized in that: the connecting frame is fixedly connected with the shell.
6. The hermetic case for a negative control switch according to claim 1, characterized in that: the shell downside be provided with logical groove, the shell downside matches with logical groove size and shape and is provided with the glass observation window.
7. The hermetic case for a negative control switch according to claim 6, characterized in that: the glass used for the glass observation window is colorless and transparent organic glass.
8. The hermetic case for a negative control switch according to claim 7, characterized in that: the glass observation window is fixedly connected with the shell through screws, a sealing gasket is arranged between the glass observation window and the shell, and a sealing adhesive is arranged at the contact position of the outer edge of the glass observation window and the front side face of the shell.
9. The hermetic case for a negative control switch according to claim 1, characterized in that: the cavity in the shell is transversely provided with a partition board which is arranged in front of and behind the second through holes in the front-back direction, the cavity positions corresponding to the second through holes in the left side surface and the right side surface of the shell are separated into independent sub-chambers, and the cavity in the shell is filled with inert gas.
10. The hermetic case for a negative control switch according to claim 1, characterized in that: the shell and the connecting frame are both made of 304 stainless steel, and the outer surface of the shell is provided with a corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921976155.3U CN211265338U (en) | 2019-11-15 | 2019-11-15 | Sealed shell for load control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921976155.3U CN211265338U (en) | 2019-11-15 | 2019-11-15 | Sealed shell for load control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265338U true CN211265338U (en) | 2020-08-14 |
Family
ID=71959751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921976155.3U Active CN211265338U (en) | 2019-11-15 | 2019-11-15 | Sealed shell for load control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265338U (en) |
-
2019
- 2019-11-15 CN CN201921976155.3U patent/CN211265338U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |