CN219873211U - Insulating shell for mounting contact mechanism of three-power change-over switch - Google Patents
Insulating shell for mounting contact mechanism of three-power change-over switch Download PDFInfo
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- CN219873211U CN219873211U CN202320261388.5U CN202320261388U CN219873211U CN 219873211 U CN219873211 U CN 219873211U CN 202320261388 U CN202320261388 U CN 202320261388U CN 219873211 U CN219873211 U CN 219873211U
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- support
- boss
- hole
- semicircle
- terminal
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- 230000017525 heat dissipation Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses an insulating shell for mounting a contact mechanism of a three-power change-over switch, which comprises four sub-shells arranged side by side in sequence, wherein each sub-shell comprises a main body and a terminal seat; the terminal seat passes through the detachable tip of fixing at the main part of screw, and the terminal seat includes first support and the second support that the symmetry set up, and one side top of first support is equipped with first semicircle through-hole, and one side top of second support is equipped with the second semicircle through-hole, and first semicircle through-hole and second semicircle through-hole closure form the bolt perforation, and the screw passes the screw hole threaded connection in bolt perforation and the main part, and the inboard of first support is equipped with first boss, and the inboard of second support is equipped with the second boss, is equipped with terminal constant head tank and terminal positioning opening between first boss and the second boss. The insulating shell for mounting the three-power change-over switch contact mechanism can be used for dismounting and mounting the terminal seat, so that the damaged terminal seat can be replaced independently, and the maintenance cost can be reduced.
Description
Technical Field
The utility model relates to an insulating shell for mounting a contact mechanism of a three-power transfer switch.
Background
In the structure of the existing three-power transfer switch, the contact mechanism is usually arranged in an insulating shell formed by thermosetting of a thermosetting material, and the insulating shell can prevent electric shock caused by electric leakage of the power switch and is convenient for heat dissipation. The existing insulating shell is mostly an integrated product, so that the manufacturing difficulty of the insulating shell is increased, the insulating shell is not easy to disassemble and assemble, and when a terminal seat in the insulating shell is damaged, the terminal seat cannot be replaced independently, so that the maintenance cost is high.
Disclosure of Invention
The utility model aims to provide an insulating shell for mounting a three-power-supply change-over switch contact mechanism, which is reasonable in structure and capable of disassembling and assembling a terminal seat, so that the damaged terminal seat can be replaced independently conveniently, and the maintenance cost is reduced.
In order to achieve the above purpose, the technical scheme of the utility model is to design an insulating shell for installing a three-power-supply change-over switch contact mechanism, which comprises four sub-shells arranged side by side in sequence, wherein each sub-shell comprises a main body, a cover plate arranged at the top of the main body, and terminal blocks respectively arranged at two ends of the main body;
the terminal seat is fixed at the tip of main part through the detachable of screw, and the terminal seat includes first support and the second support that the symmetry set up, and this first support is leaned on with the second support mutually, one side top that first support is close to the second support is equipped with first semicircle through-hole, one side top that the second support is close to first support is equipped with the second semicircle through-hole, first semicircle through-hole and second semicircle through-hole closure form the bolt perforation, the tip of main part is equipped with the screw hole corresponding with the bolt perforation, the screw passes the bolt perforation and with screw hole threaded connection, the inboard of first support is equipped with the first boss that is located first semicircle through-hole below, the inboard of second support is equipped with the second boss that is located second semicircle through-hole below, first boss and second boss are leaned on mutually, be equipped with the terminal constant head tank between the top of this first boss and second boss, and be equipped with the terminal location opening between the lateral part of this first boss and second boss, terminal constant head tank and terminal location opening all are linked together with the inside of main part.
Preferably, the cover plate is provided with two groups of heat dissipation port groups, the two groups of heat dissipation port groups are arranged along the length direction of the cover plate, each heat dissipation port group comprises a plurality of strip heat dissipation ports, and the plurality of strip heat dissipation ports are arranged at equal intervals along the width direction of the cover plate.
Preferably, the insulating housing for mounting the three-power transfer switch contact mechanism further comprises an auxiliary mounting plate, the auxiliary mounting plate is fixedly connected with the outermost sub-housing of the four sub-housings, and the bottom end of the auxiliary mounting plate is vertically bent to form a fixing part.
Preferably, the fixing portion is provided with a connecting hole.
The utility model has the advantages and beneficial effects that: the insulating shell is reasonable in structure, and the terminal seat can be disassembled and assembled, so that the damaged terminal seat can be replaced independently, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic view of a terminal block according to the present utility model.
Description of the embodiments
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The technical scheme of the utility model is as follows:
as shown in fig. 1 and 2, an insulating housing for mounting a contact mechanism of a three-power transfer switch comprises four sub-housings 1 which are sequentially arranged side by side, wherein each sub-housing 1 comprises a main body 2, a cover plate 3 arranged at the top of the main body 2, and terminal blocks 4 respectively arranged at two ends of the main body 2;
the terminal seat 4 is fixed at the tip of main part 2 through the detachable of screw, and terminal seat 4 is including the first support 5 and the second support 6 that the symmetry set up, and this first support 5 and second support 6 are leaned on mutually, one side top that first support 5 is close to second support 6 is equipped with first semicircle through-hole 7, one side top that second support 6 is close to first support 5 is equipped with second semicircle through-hole 8, first semicircle through-hole 7 and second semicircle through-hole 8 closure form the bolt perforation, the tip of main part 2 is equipped with the screw hole corresponding with the bolt perforation, the screw passes the bolt perforation and with screw hole threaded connection, the inboard of first support 5 is equipped with the first boss 9 that is located first semicircle through-hole 7 below, the inboard of second support 6 is equipped with the second boss 10 that is located second semicircle through-hole 8 below, first boss 9 and second boss 10 are leaned on mutually, be equipped with terminal constant head tank 11 between the top of this first boss 9 and second boss 10, and be equipped with terminal 12 and the equal opening of terminal 2 between this first boss 9 and the lateral part 10, terminal 11 and the inside constant head tank that is linked together. By adopting the scheme, when the terminal seat 4 is installed, the first bracket 5 and the second bracket 6 are abutted against the end part of the main body 2, then a screw penetrates through a bolt perforation between the first bracket 5 and the second bracket 6, and the screw is in threaded connection with a threaded hole on the main body 2, so that the fixed installation of the terminal seat 4 is completed; when the terminal block 4 is disassembled, the first bracket 5 and the second bracket 6 can be separated from the main body 2 only by unscrewing the screws, so that the disassembly of the terminal block 4 is completed. Each sub-housing has two terminal blocks 4, wherein a terminal positioning slot 11 on one terminal block 4 is used for placing a first power terminal 100, a terminal positioning opening 12 on the terminal block 4 is used for penetrating a second power terminal 200, a terminal positioning slot 11 on the other terminal block 4 is used for placing a third power terminal, and a terminal positioning opening 12 on the terminal block is used for penetrating a load terminal.
Further, two groups of heat dissipation port groups are arranged on the cover plate 3, the two groups of heat dissipation port groups are arranged along the length direction of the cover plate 3, each heat dissipation port group comprises a plurality of strip-shaped heat dissipation ports 13, and the plurality of strip-shaped heat dissipation ports 13 are arranged at equal intervals along the width direction of the cover plate 3. By adopting the above-described configuration, the heat generated inside the case is discharged outside through the strip-shaped heat radiation port 13.
Further, the insulating housing for mounting the three-power transfer switch contact mechanism further comprises an auxiliary mounting plate 14, the auxiliary mounting plate 14 is fixedly connected with the outermost sub-housing 1 of the four sub-housings 1, and the bottom end of the auxiliary mounting plate 14 is vertically bent to form a fixing portion 15. By adopting the scheme, the bottom end of the auxiliary mounting plate 14 is vertically bent to form the fixing part 15, so that the auxiliary mounting plate 14 can be fixed through the fixing part 15, and the fixed mounting of the insulating shell is realized.
Further, the fixing portion 15 is provided with a connecting hole 16. By adopting the above-described arrangement, the fixing portion 15 can be fixed through the connecting hole 16.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (4)
1. The insulating shell is characterized by comprising four sub-shells which are sequentially arranged side by side, wherein each sub-shell comprises a main body, a cover plate arranged at the top of the main body, and terminal seats respectively arranged at two ends of the main body;
the terminal seat is fixed at the tip of main part through the detachable of screw, and the terminal seat includes first support and the second support that the symmetry set up, and this first support is leaned on with the second support mutually, one side top that first support is close to the second support is equipped with first semicircle through-hole, one side top that the second support is close to first support is equipped with the second semicircle through-hole, first semicircle through-hole and second semicircle through-hole closure form the bolt perforation, the tip of main part is equipped with the screw hole corresponding with the bolt perforation, the screw passes the bolt perforation and with screw hole threaded connection, the inboard of first support is equipped with the first boss that is located first semicircle through-hole below, the inboard of second support is equipped with the second boss that is located second semicircle through-hole below, first boss and second boss are leaned on mutually, be equipped with the terminal constant head tank between the top of this first boss and second boss, and be equipped with the terminal location opening between the lateral part of this first boss and second boss, terminal constant head tank and terminal location opening all are linked together with the inside of main part.
2. The insulating housing for mounting a three-power transfer switch contact mechanism according to claim 1, wherein two sets of heat dissipation port groups are provided on the cover plate, the two sets of heat dissipation port groups are arranged along the length direction of the cover plate, each heat dissipation port group comprises a plurality of strip-shaped heat dissipation ports, and the plurality of strip-shaped heat dissipation ports are arranged at equal intervals along the width direction of the cover plate.
3. The insulated housing for mounting a three-power transfer switch contact mechanism according to claim 1, further comprising an auxiliary mounting plate fixedly connected to an outermost one of the four sub-housings, and a bottom end of the auxiliary mounting plate is vertically bent to form a fixing portion.
4. An insulated housing for mounting a three-power transfer switch contact mechanism as recited in claim 3, wherein said fixed portion is provided with a connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320261388.5U CN219873211U (en) | 2023-02-21 | 2023-02-21 | Insulating shell for mounting contact mechanism of three-power change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320261388.5U CN219873211U (en) | 2023-02-21 | 2023-02-21 | Insulating shell for mounting contact mechanism of three-power change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873211U true CN219873211U (en) | 2023-10-20 |
Family
ID=88322335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320261388.5U Active CN219873211U (en) | 2023-02-21 | 2023-02-21 | Insulating shell for mounting contact mechanism of three-power change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873211U (en) |
-
2023
- 2023-02-21 CN CN202320261388.5U patent/CN219873211U/en active Active
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