Distribution transformer outgoing line structure for box transformer substation

Abstract

The utility model relates to the technical field of distribution transformer outgoing line structures, and discloses a distribution transformer outgoing line structure for a box transformer substation, which comprises a box body, a mounting plate is fixedly connected to the rear side of the box body, a connecting pipe is fixedly connected to the side wall of the mounting plate, the connecting pipe is sleeved with a first wire, and the connecting pipe is sleeved with a second wire. A sealing assembly is arranged on the outer wall of the second wire. According to the distribution transformer outgoing line structure for the box transformer substation, water is prevented from making contact with the second wire through a gap between the outer threaded sleeve and the inner threaded sleeve and a gap between the inner threaded sleeve and the first insulation sleeve, water or other external factors are prevented from invading electrical connection parts, and device short circuit and circuit instability are avoided; safe operation of equipment and reliability of electrical connection are ensured, the abutting block clamps the second wire, the second wire, the abutting block, the copper sheet and the contact block can be communicated with the circuit while the wire is prevented from loosening, virtual connection of the circuit is avoided, and the stability degree of the circuit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution transformer outgoing line structures, in particular to an outgoing line structure of a distribution transformer for a box transformer. Background Art

[0002] The distribution transformer for box-type transformer is a factory-prefabricated indoor or outdoor compact distribution equipment that combines high-voltage switchgear, distribution transformer and low-voltage distribution equipment according to a certain wiring scheme. When installing the distribution transformer for box-type transformer, the end of the wire is connected to the terminal, and the wire clamp is tightened by screws to connect the wires one by one to complete the outgoing line installation. However, this installation method requires the use of a screwdriver to tighten the terminal, and the operation steps are cumbersome and there are operational risks.

[0003] According to a disclosed distribution transformer outlet structure for box-type transformer (announcement number: CN220774106U), the above application includes a distribution transformer, which includes a box body, a transformer is fixedly installed on the inner wall of the box body, a wiring assembly is fixedly installed on the outer wall of the transformer, the wiring assembly includes a terminal block 1, the terminal block 1 is fixedly connected to the outer wall of the transformer, the terminal block 2 is fixedly installed on the inner wall of the box body, a conductor 1 is electrically connected between the terminal block 1 and the terminal block 2, the conductor 1 is electrically connected to a docking port, and the docking port cooperates with a threaded connection to the conductor 2.

[0004] However, in actual use of the above-mentioned distribution transformer, the wire connection point is not isolated from the outside world. Since the distribution transformer is usually installed outdoors, the lack of insulation treatment means that the wire connection point is exposed to the external environment, especially in rainy days, which may cause a short circuit between the wires, damage the distribution transformer or other related electrical equipment, and increase the risk of electric shock to electrical equipment and personnel. In view of this, we propose a distribution transformer outgoing line structure for box-type transformers. Utility Model Content

[0005] The purpose of the utility model is to provide a distribution transformer outlet structure for a box-type transformer to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distribution transformer outlet structure for a box-type transformer, comprising a box body, a mounting plate fixedly connected to the rear side of the box body, a connecting pipe fixedly connected to the side wall of the mounting plate, the connecting pipe is sleeved with a wire 1, a wire 2 is sleeved on the connecting pipe, an insulating sleeve 1 is sleeved on the outer wall of the wire 2, a sealing component is arranged on the outer wall of the wire 2, and the sealing component comprises:

[0007] An internal threaded sleeve, wherein the outer wall of the insulating sleeve 1 is provided with an internal threaded sleeve, the internal threaded sleeve is fixedly connected to the insulating sleeve 2, the insulating sleeve 2 is sleeved with the insulating sleeve 1, the inner wall of the internal threaded sleeve is fixedly connected to a copper sheet, the copper sheet is movably connected to a contact block, and a side of the copper sheet close to the second conductor is fixedly connected to an abutment block;

[0008] An external threaded sleeve, the internal threaded sleeve is threadedly connected to the external threaded sleeve, the end of the external threaded sleeve away from the box body is fixedly connected to an insulating sleeve three, the end of the external threaded sleeve away from the insulating sleeve three is fixedly connected to an insulating sleeve four, and the inner wall of the insulating sleeve four is fixedly connected to a limiting block.

[0009] Preferably, a rubber ring is fixedly connected to the inner wall of the connecting pipe, and an annular groove is formed on the outer wall of the contact block.

[0010] Preferably, a slide groove is provided at one end of the contact block close to the copper sheet, the slide groove is movably connected to a slider, and the slider is fixedly connected to the outer wall of the copper sheet.

[0011] Preferably, the abutment block is movably connected to the second conductor, and the limit block is movably connected to the copper sheet.

[0012] Preferably, the annular groove is matched with a rubber ring, and the rubber ring clamps the contact block through the annular groove to prevent the contact block from loosening.

[0013] Preferably, the insulating sleeve three is socketed with the insulating sleeve two, and the insulating sleeve three is socketed with the internal threaded sleeve to prevent water from contacting the wire two through the gap between the external threaded sleeve and the internal threaded sleeve, causing a short circuit in the device.

[0014] Compared with the prior art, the utility model provides a distribution transformer outlet structure for a box-type transformer, which has the following beneficial effects:

[0015] 1. The distribution transformer outlet structure of the box-type transformer can prevent water from contacting the wire 2 through the gap between the external threaded sleeve and the internal threaded sleeve, the gap between the internal threaded sleeve and the insulating sleeve 1, and causing a short circuit of the device, and prevent moisture or other external factors from invading the electrical connection components, avoiding short circuit of the device and instability of the circuit, ensuring the safe operation of the equipment and the reliability of the electrical connection. The abutment block clamps the wire 2, preventing the wire from loosening and connecting the circuit to the wire 2, the abutment block, the copper sheet and the contact block, thereby avoiding virtual connection of the circuit and improving the stability of the circuit.

[0016] 2. The distribution transformer outgoing line structure of the box-type transformer uses a rubber ring and annular groove. The rubber ring clamps the contact block through the annular groove to prevent the contact block from loosening. This can prevent the contact block from loosening during operation or vibration, avoiding equipment failure or electrical connection failure caused by loosening, thereby ensuring the reliability and stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the mounting plate of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of the middle A area;

[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the contact block of the utility model;

[0022] Figure 6 For this utility model Figure 5 Schematic diagram of the structure of area B.

[0023] In the figure: 1. Box body; 2. Mounting plate; 3. Connecting pipe; 4. Wire 1; 5. Wire 2; 6. Insulating sleeve 1; 7. Insulating sleeve 2; 8. Internally threaded sleeve; 9. Copper sheet; 10. Abutment block; 11. Slider; 12. Contact block; 13. Slide groove; 14. Externally threaded sleeve; 15. Insulating sleeve 3; 16. Insulating sleeve 4; 17. Limiting block; 18. Rubber ring; 19. Annular groove. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 6 As shown, the utility model provides a technical solution: a distribution transformer outlet structure for a box-type transformer, comprising a box body 1, a mounting plate 2 is fixedly connected to the rear side of the box body 1, a connecting pipe 3 is fixedly connected to the side wall of the mounting plate 2, the connecting pipe 3 is sleeved with a conductor 1 4, the connecting pipe 3 is sleeved with a conductor 2 5, the outer wall of the conductor 2 5 is sleeved with an insulating sleeve 1 6, the outer wall of the conductor 2 5 is provided with a sealing component, the sealing component comprises an insulating sleeve 2 7, an internal threaded sleeve 8, a copper sheet 9, an abutment block 10, a slider 11, a contact block 12, a slide groove 13, an external threaded sleeve 14, an insulating sleeve 3 15, an insulating sleeve 4 16, a limit block 17, a rubber ring 18, and an annular groove 19.

[0025] In one embodiment of the utility model, the outer wall of the insulating sleeve 1 6 is sleeved with an internal threaded sleeve 8, the internal threaded sleeve 8 is fixedly connected to the insulating sleeve 2 7, the insulating sleeve 2 7 is sleeved with the insulating sleeve 1 6, the inner wall of the internal threaded sleeve 8 is fixedly connected to a copper sheet 9, the copper sheet 9 is movably connected to a contact block 12, a slide groove 13 is provided at one end of the contact block 12 close to the copper sheet 9, the slide groove 13 is movably connected to a slider 11, the slider 11 is fixedly connected to the outer wall of the copper sheet 9, a side of the copper sheet 9 close to the conductor 2 5 is fixedly connected to a contact block 10, the abutment block 10 is movably connected to the conductor 2 5, and a limit block 17 is movably connected to the copper sheet 9.

[0026] The internal threaded sleeve 8 is threadedly connected to the external threaded sleeve 14, and the end of the external threaded sleeve 14 away from the box body 1 is fixedly connected to the insulating sleeve three 15, and the end of the external threaded sleeve 14 away from the insulating sleeve three 15 is fixedly connected to the insulating sleeve four 16, and the inner wall of the insulating sleeve four 16 is fixedly connected to the limited block 17, the insulating sleeve three 15 is socketed with the insulating sleeve two 7, and the insulating sleeve three 15 is socketed with the internal threaded sleeve 8 to prevent water from contacting the wire two 5 through the gap between the external threaded sleeve 14 and the internal threaded sleeve 8, causing a short circuit in the device.

[0027] Insert the second conductor 5 into the insulating sleeve 2 7 and the internal threaded sleeve 8, rotate the external threaded sleeve 14, and move the external threaded sleeve 14 toward the contact block 12. The movement of the external threaded sleeve 14 drives the limit block 17 to move, and the limit block 17 further pushes the copper sheet 9 toward the second conductor 5, so that the abutment block 10 clamps the second conductor 5, and the circuit can be connected with the second conductor 5, the abutment block 10, the copper sheet 9 and the contact block 12 while preventing the wire from loosening, thereby avoiding virtual connection of the circuit and improving the stability of the circuit.

[0028] The insulating sleeve 2 7 is socketed with the insulating sleeve 1 6, the insulating sleeve 3 15 is socketed with the insulating sleeve 2 7, and the insulating sleeve 3 15 is socketed with the internal threaded sleeve 8, so as to prevent water from contacting the wire 2 5 through the gap between the external threaded sleeve 14 and the internal threaded sleeve 8 and the gap between the internal threaded sleeve 8 and the insulating sleeve 1 6, thereby causing a short circuit in the device, and to prevent moisture or other external factors from invading the electrical connection components, thereby avoiding causing a short circuit in the device and circuit instability, thereby ensuring the safe operation of the equipment and the reliability of the electrical connection.

[0029] In addition, a rubber ring 18 is fixedly connected to the inner wall of the connecting tube 3, and an annular groove 19 is provided on the outer wall of the contact block 12. The annular groove 19 is adapted to the rubber ring 18. The rubber ring 18 clamps the contact block 12 through the annular groove 19 to prevent the contact block 12 from loosening. This can prevent the contact block 12 from loosening during operation or vibration, avoid equipment failure or electrical connection failure caused by loosening, and thus ensure the reliability and stability of the connection.

[0030] In the utility model, when in use, the conductor 2 5 is inserted into the insulating sleeve 2 7 and the internal threaded sleeve 8, the external threaded sleeve 14 is rotated, so that the abutment block 10 clamps the conductor 2 5, the insulating sleeve 2 7 is sleeved with the insulating sleeve 1 6, the insulating sleeve 3 15 is sleeved with the insulating sleeve 2 7, and the insulating sleeve 3 15 is sleeved with the internal threaded sleeve 8 to prevent water from contacting the conductor 2 5 through the gap between the external threaded sleeve 14 and the internal threaded sleeve 8 and the gap between the internal threaded sleeve 8 and the insulating sleeve 1 6, and the rubber ring 18 clamps the contact block 12 through the annular groove 19 to prevent the contact block 12 from loosening.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A distribution transformer outlet structure for a box-type transformer, comprising a box body (1), a mounting plate (2) fixedly connected to the rear side of the box body (1), a connecting tube (3) fixedly connected to the side wall of the mounting plate (2), the connecting tube (3) being sleeved with a first conductor (4), the connecting tube (3) being sleeved with a second conductor (5), the outer wall of the second conductor (5) being sleeved with a first insulating sleeve (6), characterized in that: The outer wall of the conductor 2 (5) is provided with a sealing component, and the sealing component comprises: An internal threaded sleeve (8), the outer wall of the insulating sleeve 1 (6) is provided with an internal threaded sleeve (8), the internal threaded sleeve (8) is fixedly connected to the insulating sleeve 2 (7), the insulating sleeve 2 (7) is sleeved with the insulating sleeve 1 (6), the inner wall of the internal threaded sleeve (8) is fixedly connected to a copper sheet (9), the copper sheet (9) is movably connected to a contact block (12), and a side of the copper sheet (9) close to the conductor 2 (5) is fixedly connected to an abutment block (10); An external threaded sleeve (14), the internal threaded sleeve (8) being threadedly connected to the external threaded sleeve (14), an end of the external threaded sleeve (14) away from the box body (1) being fixedly connected to an insulating sleeve three (15), an end of the external threaded sleeve (14) away from the insulating sleeve three (15) being fixedly connected to an insulating sleeve four (16), and an inner wall of the insulating sleeve four (16) being fixedly connected to a limiting block (17).

2. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: A rubber ring (18) is fixedly connected to the inner wall of the connecting pipe (3), and an annular groove (19) is formed on the outer wall of the contact block (12).

3. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: A slide groove (13) is provided at one end of the contact block (12) close to the copper sheet (9), the slide groove (13) is movably connected to the slider (11), and the slider (11) is fixedly connected to the outer wall of the copper sheet (9).

4. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: The abutment block (10) is movably connected to the second conductor (5), and the limit block (17) is movably connected to the copper sheet (9).

5. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 2 is characterized in that: The annular groove (19) is matched with the rubber ring (18).

6. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: The insulating sleeve three (15) is sleeved with the insulating sleeve two (7), and the insulating sleeve three (15) is sleeved with the internal thread sleeve (8).

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