CN211508796U - Junction box for low-voltage high-power motor - Google Patents
Junction box for low-voltage high-power motor Download PDFInfo
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- CN211508796U CN211508796U CN202020124866.4U CN202020124866U CN211508796U CN 211508796 U CN211508796 U CN 211508796U CN 202020124866 U CN202020124866 U CN 202020124866U CN 211508796 U CN211508796 U CN 211508796U
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Abstract
The utility model provides a terminal box that high-power motor of low pressure was used, belongs to motor technical field to solve the inside fixing device that does not have of the high-power terminal box of current low pressure, cable wiring is not standard, and electric clearance and creepage distance between cable and the terminal box can't be guaranteed, and the cable is unsettled still can cause mechanical fatigue, in case through great electric current, has the problem of certain potential safety hazard. The utility model comprises a shell, an insulating pad, a wiring part, a wiring clamp, a fixed plate and an insulating outlet plate; one side of shell is provided with the lead wire entry, and the internal surface fixed connection of wiring portion through insulating pad and shell, the fixed plate is fixed in the inside of shell, is provided with the binding clip on the fixed plate, and the internal surface of shell is certain clearance setting with the binding clip to be provided with the binding clip on the fixed plate, the surface at the shell is fixed to insulating outlet plate, is provided with a plurality of wire holes on the insulating outlet plate, is provided with the sealing washer on every wire hole. The utility model is suitable for a great motor of electric current.
Description
Technical Field
The utility model relates to a terminal box that motor was used, concretely relates to terminal box that high-power motor of low pressure was used.
Background
The rated current of the low-voltage high-power junction box is larger, so that more cables are arranged in the junction box. At present, the inside fixing device that does not have, cable wiring of many low pressure high-power terminal boxes is not standard, and electric clearance and creepage distance between cable and the terminal box can't be guaranteed, and the cable is unsettled still can cause mechanical fatigue, in case through great electric current, has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, and provide a terminal box that high-power motor of low pressure was used.
The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:
a junction box for a low-voltage high-power motor comprises a shell, an insulating pad, a wiring part, a wiring clamp, a fixing plate and an insulating outlet plate;
one side of shell is provided with the lead wire entry, and the internal surface fixed connection of wiring portion through insulating pad and shell, the fixed plate is fixed in the inside of shell, is provided with the binding clip on the fixed plate, and the internal surface of shell is certain clearance setting with the binding clip to be provided with the binding clip on the fixed plate, the surface at the shell is fixed to insulating outlet plate, is provided with a plurality of wire holes on the insulating outlet plate, is provided with the sealing washer on every wire hole.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses the cable is drawn forth from the position of wiring portion to fix the cable on the fixed plate through the binding clip, make the internal surface of cable and shell keep the certain distance, set up the insulation board simultaneously and draw forth the cable, guaranteed electric clearance and creepage distance between cable and the terminal box, got rid of mechanical fatigue's hidden danger.
Two, the utility model discloses the structure is simple and convenient, simple to operate, and it is more standard to make to walk the line, elegant appearance and have stronger security.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of the binding clip 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
Example 1: as shown in fig. 1 and fig. 2, the present embodiment discloses a junction box for a low-voltage high-power motor, which includes a housing 1, an insulating pad 2, a wiring portion 3, a wiring clamp 4, a fixing plate 5 and an insulating outlet plate 6;
one side of shell 1 is provided with lead wire entry 1-1, and wiring portion 3 passes through insulating pad 2 and shell 1's internal surface fixed connection, and fixed plate 5 is fixed in shell 1's inside, is provided with binding clip 4 on the fixed plate 5, and the internal surface of shell 1 is certain clearance setting with binding clip 4 to be provided with binding clip 4 on the fixed plate 5, and insulating outlet plate 6 is fixed at shell 1's surface, is provided with a plurality of wire holes on insulating outlet plate 6, is provided with sealing washer 7 on every wire hole.
Specifically, an insulating sleeve is arranged at the lead inlet 1-1 and used for separating the introduced cable from the shell 1, so that the phenomenon of electric leakage caused by direct contact is avoided.
Specifically, as shown in fig. 3, the jointing clamp 4 is made of a 3240 epoxy plate, the jointing clamp 4 is long-strip-shaped, a wire passing hole 4-1 and a screw hole 4-2 are processed on the jointing clamp 4, screws are arranged in the two screw holes 4-2, the screws are in threaded connection with the fixing plate 5, and a cable fixed by the jointing part 3 passes through the wire passing hole 4-1 and is led out from a wire outlet hole.
Example 2: as shown in fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the wiring part 3 in the embodiment comprises a wiring copper plate 3-1, a lead-in wire fixing bolt 3-2 and a lead-out wire fixing bolt 3-3;
the wiring copper plate 3-1 is provided with a row of lead-in wire fixing bolts 3-2 and a row of lead-out wire fixing bolts 3-3.
Specifically, the number of lead-in wire fixing bolts 3-2 is 3, the number of lead-out wire fixing bolts 3-3 is 6, the number of wire through holes 4-1 and screw holes 4-2 is 2, two wire through holes 4-1 are arranged at a certain interval, the number of lead wire inlets 1-1 and wiring copper plates 3-1 is three, a plurality of wire outlet holes are divided into three groups, the number of each group of wire outlet holes is four, each wiring part 3 corresponds to one group of wire outlet holes, two cables are led out of the lead-out wire fixing bolts 3-3, pass through the wire through holes 4-1 and penetrate out of the wire outlet holes, one wiring copper plate 3-1 is arranged to lead out a plurality of cables, large current can be output, the middle positions of the cables are fixed through wiring clamps 4 with insulating property, and a certain distance is arranged between the cables and the shell 1, the cable is not in direct contact with the shell 1, and the electric clearance and the creepage distance between the cable and the junction box are ensured.
Specifically, the wiring copper plate 3-1 may be obtained by bending the copper plate twice, and may have a U-shape, one plate surface of the U-shaped wiring copper plate 3-1 is provided with a row of lead-in wire fixing bolts 3-2, and the other surface parallel to the plate surface is provided with a row of lead-out wire fixing bolts 3-3.
Example 3: as shown in fig. 2, the present embodiment is different from embodiment 1 in that: the wiring portion 3 in this embodiment is fixed to the case 1 on the side opposite to the lead inlet 1-1 through the insulating pad 2.
Example 4: the present embodiment is different from embodiment 1 in that: the insulating outlet plate 6 in this embodiment is made of 3240 epoxy plate.
Example 5: the present embodiment is different from embodiment 1 in that: the shell 1 in this embodiment is provided with an opening, the opening is provided with an end cover 8, and the end cover 8 is detachably connected with the shell 1.
An end cap 8 is provided at the opening of the housing 1 for the purpose of facilitating the removal and installation of the wiring.
Example 6: the present embodiment is different from embodiment 2 in that: in the embodiment, each outgoing line fixing bolt 3-3 corresponds to the positions of two outgoing line holes on the insulating outgoing line plate 6.
Claims (6)
1. A terminal box that low-voltage high-power motor used which characterized in that: the wire connecting device comprises a shell (1), an insulating pad (2), a wire connecting part (3), a wire connecting clamp (4), a fixing plate (5) and an insulating wire outlet plate (6);
one side of shell (1) is provided with lead wire entry (1-1), wiring portion (3) are through the internal surface fixed connection of insulating pad (2) and shell (1), the inside at shell (1) is fixed in fixed plate (5), be provided with binding clip (4) on fixed plate (5), the internal surface and binding clip (4) of shell (1) are the setting of certain clearance, and be provided with binding clip (4) on fixed plate (5), the surface at shell (1) is fixed in insulating outlet plate (6), be provided with a plurality of wire holes on insulating outlet plate (6), be provided with sealing washer (7) on every wire hole.
2. A terminal box for a low-voltage high-power motor according to claim 1, wherein: the wiring part (3) comprises a wiring copper plate (3-1), a lead-in wire fixing bolt (3-2) and a lead-out wire fixing bolt (3-3);
the wiring copper plate (3-1) is provided with a row of lead-in wire fixing bolts (3-2) and a row of lead-out wire fixing bolts (3-3).
3. A terminal box for a low-voltage high-power motor according to claim 1 or 2, wherein: the wiring portion (3) is fixed on the side opposite to the lead inlet (1-1) on the housing (1) through an insulating pad (2).
4. A terminal box for a low-voltage high-power motor according to claim 1, wherein: the insulating outlet plate (6) is made of 3240 epoxy plate.
5. A terminal box for a low-voltage high-power motor according to claim 1, wherein: an opening is arranged on the shell (1), an end cover (8) is arranged at the opening, and the end cover (8) is detachably connected with the shell (1).
6. A terminal box for a low-voltage high-power motor according to claim 2, wherein: each outgoing line fixing bolt (3-3) corresponds to the positions of two outgoing line holes on the insulating outgoing line plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124866.4U CN211508796U (en) | 2020-01-19 | 2020-01-19 | Junction box for low-voltage high-power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124866.4U CN211508796U (en) | 2020-01-19 | 2020-01-19 | Junction box for low-voltage high-power motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211508796U true CN211508796U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020124866.4U Active CN211508796U (en) | 2020-01-19 | 2020-01-19 | Junction box for low-voltage high-power motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN211508796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285214A (en) * | 2021-12-28 | 2022-04-05 | 中车永济电机有限公司 | Low-voltage, high-current and high-protection-level three-phase motor junction box structure |
-
2020
- 2020-01-19 CN CN202020124866.4U patent/CN211508796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285214A (en) * | 2021-12-28 | 2022-04-05 | 中车永济电机有限公司 | Low-voltage, high-current and high-protection-level three-phase motor junction box structure |
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