A quick connection structure of a fan junction box of a rotatable terminal

Abstract

This utility model discloses a quick-connect structure for a fan junction box with rotatable terminals. It includes a fan junction box body with a groove on its inner wall. A bearing is installed inside the groove, and a connecting base is fixedly connected to the outer wall of the bearing. A base is fixedly connected to the top of the connecting base, and a connector is installed on the top of the base. Multiple lower limit blocks are evenly spaced laterally about the top of the connector and are fixedly connected to the connector. An adjusting screw is threaded to the top side of the connector, and an insulating pressure plate is sleeved on the outer wall of the adjusting screw. The insulating pressure plate and the adjusting screw are slidably connected. A wiring screw is threaded to the insulating pressure plate, and the lower end of the wiring screw is connected to the lower limit block. An upper limit block is provided on the outer wall of the wiring screw. This device can improve the separation efficiency of the upper and lower limit blocks, thereby realizing quick connection and disconnection of cables.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine junction box technology, specifically a quick-connect structure for a wind turbine junction box with rotatable terminals. Background Technology

[0002] The fan junction box is an important component used to connect and protect the circuit of the fan motor. It is mainly responsible for safely and reliably connecting the power cord to the motor inside the fan, while providing necessary electrical insulation and mechanical protection. Depending on the usage environment, the fan junction box may have different characteristics, such as waterproof, dustproof, and corrosion-resistant.

[0003] Currently, wind turbine junction boxes mainly use screws and clamps to connect and fix cable ends. Each screw is paired with a clamp, and all the screws on the junction box need to be loosened when installing or removing cables, which is quite cumbersome. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a quick-connect structure for a fan junction box with rotatable terminals, so as to solve the problem mentioned in the background art that the screws of the fan junction box need to be operated one by one.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-connect structure for a fan junction box with rotatable terminals, comprising a fan junction box body, a groove formed on the inner wall of the fan junction box body, a bearing installed inside the groove, a connecting base fixedly connected to the outer wall of the bearing, a base fixedly connected to the top of the connecting base, a connector installed on the top of the base, a lower limit block provided on the connector, an adjusting screw threadedly connected to the top side of the connector, an insulating pressure plate sleeved on the outer wall of the adjusting screw, a connecting screw threadedly connected to the insulating pressure plate, the lower end of the connecting screw connected to the lower limit block, and an upper limit block provided on the outer wall of the connecting screw.

[0006] Preferably, multiple lower limit blocks are arranged at equal intervals horizontally about the top of the connector, and the lower limit blocks are fixedly connected to the connector.

[0007] Preferably, the insulating pressure plate and the adjusting screw are slidably connected, and multiple wiring screws are distributed at equal intervals in the transverse direction about the top of the insulating pressure plate.

[0008] Preferably, the base and the connecting base are rotatably connected to the fan junction box via bearings, and a positioning screw is connected to the base.

[0009] Preferably, an upper limit block is fixedly connected to the outer wall of the wiring screw, and the upper limit block is located at the top of the lower limit block.

[0010] Preferably, the positioning screws are symmetrically distributed about the bisector of the base, and the positioning screws pass through the base and are threadedly connected to the fan junction box.

[0011] Preferably, one end of the fan junction box is provided with a cable inlet, and the bottom of the fan junction box is provided with a power cable inlet.

[0012] Compared with the prior art, the beneficial effects of this utility model are: (1) This device can improve the separation efficiency of the upper limit block and the lower limit block, thereby realizing the rapid connection and disconnection of the cable.

[0013] (2) This device uses an adjusting screw connected to the top of the connector. An insulating pressure plate is fitted on the adjusting screw. By rotating the adjusting screw, the height of the insulating pressure plate can be lowered. At the same time, the connecting screw is placed on the insulating pressure plate. The upper limit block on the outer wall of the connecting screw can cooperate with the lower limit block to limit and clamp the metal piece of the cable head. Loosening the insulating pressure plate and the adjusting screw can make multiple upper limit blocks at the bottom of the insulating pressure plate separate from the lower limit block simultaneously, improving the separation efficiency of the upper limit block and the lower limit block. Loosening the connecting screw on the insulating pressure plate alone can separate the upper limit block and the lower limit block individually, meeting different disassembly requirements.

[0014] (3) This device connects to the fan junction box via a bearing on the inner side of the connecting base at the bottom of the connector, thereby allowing the connector to rotate at a certain angle. This helps to adjust the angle of the cable and keep the cable at a suitable angle to avoid excessive twisting. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a quick-connect structure for a fan junction box with rotatable terminals according to the present invention. Figure 2 This is a cross-sectional view of the fan junction box body, which is a quick-connect structure for a fan junction box with rotatable terminals according to this utility model. Figure 3 This utility model relates to a quick-connect structure for a fan junction box with rotatable terminals. Figure 2 Enlarged view of point A in the middle.

[0016] In the diagram: 1. Fan junction box; 2. Cable inlet; 3. Positioning screw; 4. Base; 5. Connector; 6. Insulating pressure plate; 7. Adjusting screw; 8. Wiring screw; 9. Connecting base; 10. Bearing; 11. Upper limit block; 12. Lower limit block. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-3 This utility model provides a technical solution: a quick-connect structure for a fan junction box with rotatable terminals, including a fan junction box body 1. A groove is formed on the inner wall of the fan junction box body 1, and a bearing 10 is installed inside the groove. A connecting base 9 is fixedly connected to the outer wall of the bearing 10. A base 4 is fixedly connected to the top of the connecting base 9. The base 4 and the connecting base 9 are rotatably connected to the fan junction box body 1 via the bearing 10. A positioning screw 3 is connected to the base 4. This structure allows the base 4 to rotate, and the rotation angle of the base 4 is less than 360°. The base 4 does not need to rotate at full angle. Rotation can adjust the angle of the cable on connector 5, thus preventing cable twisting. Connector 5 is mounted on the top of base 4, and lower limit blocks 12 are provided on connector 5. Multiple lower limit blocks 12 are evenly spaced horizontally about the top of connector 5, and are fixedly connected to connector 5. Positioning screws 3 are symmetrically distributed about the bisector of base 4, and are threaded through base 4 and connected to the fan junction box 1. This structure, through the positioning screws 3, can fix base 4, ensuring the stability of base 4 and connector 5 during use. The top side of connector 5 is threaded... An adjusting screw 7 is connected, and an insulating pressure plate 6 is sleeved on the outer wall of the adjusting screw 7. The insulating pressure plate 6 and the adjusting screw 7 are slidably connected. Multiple wiring screws 8 are distributed horizontally at equal intervals around the top of the insulating pressure plate 6. In this structure, by rotating the adjusting screw 7, as the height of the adjusting screw 7 decreases, it can drive the insulating pressure plate 6 and the upper limit block 11 at the bottom of the insulating pressure plate 6 closer to the lower limit block 12. The insulating pressure plate 6 is threaded with wiring screws 8, and the upper limit block 11 is fixedly connected to the outer wall of the wiring screw 8. The upper limit block 11 is located on top of the lower limit block 12. This structure, through the upper limit block 11 and the lower limit block... The 12-piece clamp can clamp and fix the metal piece of the cable head to realize the wiring work. The upper limit block 11, the lower limit block 12 and the wiring screw 8 are all made of conductive material. The lower end of the wiring screw 8 is connected to the lower limit block 12. The upper limit block 11 is provided on the outer wall of the wiring screw 8. The fan junction box 1 of this device is equipped with a cover during use. The cover is fixed to the fan junction box 1 by screws. One end of the fan junction box 1 is provided with a wire inlet 2. The bottom of the fan junction box 1 is provided with a power cord inlet. This structure allows the power cord to enter and electrically connect with the connector 5 and the wiring screw 8.

[0019] Working principle: When using the quick connection structure of the fan junction box with rotatable terminal, first loosen the positioning screw 3 and adjusting screw 7 to separate the upper limit block 11 from the lower limit block 12. Then, insert the cable through the inlet 2 of the fan junction box body 1. Next, place the metal piece at the end of the cable on top of the lower limit block 12. Then, connect the adjusting screw 7 to the connector 5 and rotate it. As the adjusting screw 7 descends, it pushes the insulating pressure plate 6 and the upper limit block 11 at the bottom of the insulating pressure plate 6 closer to the top of the metal piece until the upper limit block 11 connects with the metal piece and the lower limit block 12. After connecting the cable, the base 4 can be rotated to adjust the angle of the connector 5. During the rotation of the connector 5, the cable on the connector 5 becomes straighter, avoiding cable twisting. After the angle is adjusted, use the positioning screw 3 to fix the base 4 to the fan junction box body 1.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick connection structure of a fan junction box of a rotatable terminal, comprising a fan junction box body (1), characterized in that: The inner wall of the fan junction box (1) is provided with a groove, and a bearing (10) is installed inside the groove. A connecting base (9) is fixedly connected to the outer wall of the bearing (10). A base (4) is fixedly connected to the top of the connecting base (9). A connector (5) is installed on the top of the base (4). A lower limit block (12) is provided on the connector (5). An adjusting screw (7) is threadedly connected to the top side of the connector (5). An insulating pressure plate (6) is sleeved on the outer wall of the adjusting screw (7). A wiring screw (8) is threadedly connected to the insulating pressure plate (6). The lower end of the wiring screw (8) is connected to the lower limit block (12). An upper limit block (11) is provided on the outer wall of the wiring screw (8).

2. A quick connection structure of a fan junction box of a rotatable terminal according to claim 1, characterized in that: The lower limit block (12) is provided in multiple horizontally at equal intervals about the top of the connector (5), and the lower limit block (12) is fixedly connected to the connector (5).

3. The quick-connect structure for a fan junction box with rotatable terminals according to claim 1, characterized in that: The insulating pressure plate (6) and the adjusting screw (7) are connected in a sliding manner, and there are multiple connecting screws (8) distributed horizontally at equal intervals about the top of the insulating pressure plate (6).

4. A quick connect structure for a terminal of a fan according to claim 1, characterized in that: The base (4) and the connecting base (9) are rotatably connected to the fan junction box (1) via a bearing (10), and a positioning screw (3) is connected to the base (4).

5. A quick connect structure for a terminal of a fan according to claim 1, characterized in that: The upper limit block (11) is fixedly connected to the outer wall of the wiring screw (8), and the upper limit block (11) is located on top of the lower limit block (12).

6. A quick connect structure for a terminal of a fan according to claim 4, characterized in that: The positioning screw (3) is symmetrically distributed about the bisecting line of the base (4), and the positioning screw (3) passes through the base (4) and is threadedly connected to the fan junction box (1).

7. A quick connect structure for a terminal of a fan according to claim 1, characterized in that: One end of the fan junction box (1) is provided with a wire inlet (2), and the bottom of the fan junction box (1) is provided with a power cord inlet.

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