Mounting structure of cable inlet hole of soft starter

Abstract

The utility model relates to the technical field of soft starters, in particular to a mounting structure of a cable inlet hole of a soft starter, which comprises a sealing plate and is characterized in that the sealing plate is provided with a mounting hole, a plurality of studs facing the outer side of the sealing plate are fixed on the outer side of the mounting hole of the sealing plate, the outer side of the mounting plate penetrates through the studs and is fixed outside the mounting hole, and the mounting plate is fixed outside the mounting hole. The nut and the stud are matched and tightened to fix the mounting plate and the sealing plate, a groove is formed in the lower portion of the mounting plate, a sealing ring is arranged in the groove, and the mounting plate is provided with a waterproof connector. Compared with the prior art, the stud is arranged on the outer side of the sealing plate, the mounting plate can be fixed on the outer side of the mounting hole through the nut, and the waterproof effect is achieved through the sealing ring and the waterproof connector.

Description

Technical Field

[0001] The utility model relates to the technical field of soft starters, in particular to an installation structure of a cable inlet hole of a soft starter. Background Art

[0002] Existing high-voltage solid-state soft starters use only a protective coil to protect the control cable entry hole, and are often installed directly with the cover plate. This can easily fall during transportation or use. If the soft starter is installed in a cable trench, water can easily enter the protective coil, failing to meet waterproof rating requirements. Furthermore, when installing waterproof connectors, they need to be tightened from both the inside and outside, making installation inconvenient. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a mounting structure for a cable inlet hole of a soft starter.

[0004] To achieve the above purpose, a mounting structure for the cable entry hole of a soft starter is designed, including a sealing plate, characterized in that: the sealing plate is provided with a mounting hole, and a plurality of studs facing the outside of the sealing plate are fixed on the outside of the mounting hole, the outside of the mounting plate passes through the studs and is fixed outside the mounting hole, and the nuts and studs are tightened to fix the mounting plate and the sealing plate, a groove is provided under the mounting plate, a sealing ring is provided in the groove, and a waterproof joint is installed on the mounting plate.

[0005] The mounting hole and the mounting plate are rectangular, and two studs are respectively provided on both sides of the mounting hole.

[0006] The mounting hole and the mounting plate are circular, and at least three evenly distributed studs are provided on the outside of the mounting hole.

[0007] The waterproof connector is a PG waterproof connector.

[0008] Compared with the prior art, the utility model provides studs on the outside of the sealing plate, and can fix the mounting plate on the outside of the mounting hole with nuts, and achieves a waterproof effect through the sealing ring and the waterproof joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the present utility model.

[0010] Figure 2 This is an exploded view of the present invention.

[0011] Figure 3 This is a schematic diagram of the reverse side of the mounting plate.

[0012] See also Figure 1-Figure 3 , where 1 is the sealing plate, 2 is the mounting hole, 3 is the stud, 4 is the mounting plate, 5 is the nut, 6 is the waterproof joint, 7 is the groove, and 8 is the sealing ring. DETAILED DESCRIPTION

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] like Figure 1-Figure 3 As shown, the sealing plate 1 has a mounting hole 2, and a plurality of studs 3 facing the outside of the sealing plate 1 are fixed on the outside of the mounting hole 2. The outside of the mounting plate 4 passes through the studs 3 and is fixed to the outside of the mounting hole 2. The nuts 5 are tightened in conjunction with the studs 3 to fix the mounting plate 4 to the sealing plate 1. A groove 7 is provided at the bottom of the mounting plate 4, and a sealing ring 8 is provided in the groove 7. The mounting plate 4 is installed with a waterproof joint 6.

[0015] The mounting hole 2 and the mounting plate 4 are rectangular, and two studs 3 are provided on each side of the mounting hole 2 .

[0016] The mounting hole 2 and the mounting plate 4 are circular, and at least three studs 3 are evenly distributed on the outside of the mounting hole 2 .

[0017] The waterproof connector 6 is a PG waterproof connector.

[0018] When using the present invention, first install the PG waterproof connector on the mounting plate 4, pass the cable through the PG waterproof connector and the mounting hole 2 to connect it to the soft starter inside the sealing plate 1, then install the mounting plate 4 on the outside of the mounting hole 2 by fitting it with the studs 3 through the nuts 5. The mounting plate 4 presses the sealing ring 8 against the outside of the mounting hole 2 to achieve a sealing effect. If the mounting hole 2 is rectangular, two studs 3 can be set on each side of the mounting hole 2, and the nuts 5 can be used to press the mounting hole 2 from both sides to ensure that the sealing ring 8 is pressed and sealed. If the mounting hole 2 is circular, the studs 3 can be evenly distributed along the circumference, with at least three studs set, so that the nuts 5 evenly press the mounting plate 4 and the sealing ring 8 evenly presses down to seal.

Claims

1. A mounting structure for a soft starter cable entry hole, comprising a sealing plate (1), characterized in that: The sealing plate (1) is provided with a mounting hole (2), and a plurality of studs (3) facing the outside of the sealing plate (1) are fixed on the outside of the mounting hole (2). The outside of the mounting plate (4) passes through the studs (3) and is fixed outside the mounting hole (2). The nuts (5) cooperate with the studs (3) and are tightened to fix the mounting plate (4) and the sealing plate (1). A groove (7) is provided below the mounting plate (4), and a sealing ring (8) is provided in the groove (7). The mounting plate (4) is provided with a waterproof joint (6).

2. The installation structure of the soft starter cable entry hole according to claim 1, characterized in that: The mounting hole (2) and the mounting plate (4) are rectangular, and two studs (3) are provided on each side of the mounting hole (2).

3. The installation structure of the soft starter cable inlet according to claim 1, characterized in that: The mounting hole (2) and the mounting plate (4) are circular, and at least three evenly distributed studs (3) are provided on the outside of the mounting hole (2).

4. The installation structure of the soft starter cable entry hole according to claim 1, characterized in that: The waterproof connector (6) is a PG waterproof connector.

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