Cable branch box with air holes

Abstract

The utility model relates to the technical field of electrical equipment parts, in particular to a cable branch box with air holes. Comprising a cable box body and a vent hole, a shade for covering the vent hole is arranged on the vent hole, a guide plate is arranged on the shade, the edge of one end of the guide plate close to the ground is V-shaped, and included angles between two side edges of one end of the guide plate close to the ground and the horizontal plane are larger than or equal to 30 degrees. Rainwater is guided to flow to the end, close to the ground, of the guide plate along the edge of the guide plate through the edge shape of the guide plate and continuously gathers to form water drops to drop, rainwater flowing down from the outer surface of the guide plate is continuously gathered on the way, and rainwater water drops staying on the edge of the guide plate are reduced. Meanwhile, the guide plate can also cover the lower part of the air hole, so that the possibility that liquid from the ground surface enters the cable box body from the air hole after splashing is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment components, in particular to a cable branch box with air holes. Background Art

[0002] European cable branch boxes are widely used in cable engineering equipment in power distribution systems. Their main features are double-phase doors and the use of butt sleeves as connecting busbars. They have significant advantages such as short length, clear cable arrangement, and no need for large-span crossing of three-core cables.

[0003] In the prior art, there is a common type of ventilation / heat dissipation holes, such as a rainproof cable branch box published on April 28, 2023 by China Patent Application Publication No.: CN116031826A. In the embodiment of its specification, it is proposed that any heat dissipation hole is preferably a strip heat dissipation hole extending from front to back, and a rain baffle is provided above any strip heat dissipation hole, and the outer end of any rain baffle is bent downward. The setting of the rain baffle can effectively prevent rainwater from falling into the box through the heat dissipation hole. The rain baffle is preferably a three-sided semi-enclosed structure that simultaneously shields rain from the top and both sides, and it is preferably integrally formed with the outer box shell. According to the above content combined with the drawings of the specification, it can be seen that the rain baffle has a certain rainproof effect, which is mainly achieved by covering the heat dissipation hole with the area of ​​the rain baffle. In the actual use environment, rainwater and various splashing liquids flow to the bottom of the rain baffle under the influence of gravity after contacting the rain baffle, and remain at the bottom of the rain baffle due to the surface tension of the liquid until the liquid evaporates naturally, leaving dirt. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to:

[0005] 1. Provide a cable branch box with air holes, so that the liquid falling on the rainproof baffle plate flows along the edge of the rainproof baffle plate under the influence of gravity, and finally converges and falls to the bottom of the cable branch box, reducing the retention of liquid on the rainproof baffle plate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable branch box with air holes, comprising a cable box body and air holes, the air holes are provided with a mask for covering the air holes, the mask is provided with a guide plate, the edge of the guide plate near the ground is in a "V" shape, and the angles between the two side edges of the guide plate near the ground and the horizontal plane are both greater than or equal to 30°.

[0007] This solution uses the edge shape of the guide plate to guide rainwater to flow along the edge of the guide plate to the end of the guide plate near the ground, and continuously gathers to form water droplets and drips down. On the way, the rainwater flowing down the outer surface of the guide plate is continuously gathered to reduce the rainwater droplets staying on the edge of the guide plate. At the same time, the guide plate can also cover part of the lower part of the vent hole, reducing the possibility of liquid splashing from the surface and entering the cable box body through the vent hole.

[0008] Optionally, a guiding slope is further provided on the outer side of one end of the guide plate close to the ground.

[0009] The guiding slope can further guide the rainwater flowing down the outer surface of the guide plate to the end of the guide plate near the ground.

[0010] Optionally, the end of the guide plate close to the ground is in contact with the cable box body.

[0011] The end of the guide plate near the ground contacts the cable box body, so that rainwater gathered at the edge of the guide plate flows directly down along the outer surface of the cable box instead of dripping from the end of the guide plate near the ground.

[0012] Optionally, the end of the guide plate close to the ground is welded to the cable box body.

[0013] Optionally, the guide plate is connected to the mask by welding.

[0014] Optionally, there are a plurality of ventilation holes, and the ventilation hole array is arranged on the side of the cable box body.

[0015] Optionally, the angle between the edge of one side of the guide plate near the ground and the horizontal plane is 90°, and the angle between the edge of the other side of the guide plate near the ground and the horizontal plane is greater than or equal to 30°.

[0016] Optionally, two ends of the guide plate are provided with extension arms, and the positions of the extension arms correspond to the two ends of the mask.

[0017] The design of the extension arm makes the shape of the upper end surface of the guide plate match the shape of the lower end surface of the shield. During the welding operation, you only need to place the guide plate on the cable box body and simply fix it to start welding at the position of the upper end surface of the guide plate and the lower end surface of the shield.

[0018] The beneficial technical effect of the utility model is that the edge shape of the guide plate guides rainwater to flow along the edge of the guide plate to the end of the guide plate near the ground, and continuously gathers to form water droplets, and continuously gathers rainwater flowing down the outer surface of the guide plate on the way, reducing the number of raindrops staying on the edge of the guide plate. At the same time, the guide plate can also cover part of the lower part of the vent hole, reducing the possibility of liquid splashing from the ground and entering the cable box body through the vent hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the guide plate of the utility model.

[0021] Figure numerals: 1-cable box body, 2-ventilation hole, 3-shield, 4-guide plate, 5-guide slope, 6-extension arm. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] Reference Figure 1 , 2 As shown, a cable branch box with air holes 2 comprises a cable box body 1 and the air holes 2, a mask 3 for covering the air holes 2 is arranged on the air holes 2, and a guide plate 4 is arranged on the mask 3. The air holes 2 have two rows, 4 in each row, and the air holes 2 are arranged in an array on the side of the cable box body 1.

[0024] The edge of the guide plate 4 near the ground is in a "V" shape, the angle between the edge of one side of the guide plate 4 near the ground and the horizontal plane is 90°, and the angle between the edge of the other side of the guide plate 4 near the ground and the horizontal plane is greater than or equal to 30°. A guiding slope 5 is also provided on the outer side of the end of the guide plate 4 near the ground. The end of the guide plate 4 near the ground is in contact with the cable box body 1 and is welded to it. There are extension arms 6 at both ends of the guide plate 4, and the positions of the extension arms 6 and the two ends of the mask 3 correspond. The design of the extension arm 6 makes the shape of the upper end face of the guide plate 4 match the shape of the lower end face of the mask 3. During the welding operation, the guide plate 4 only needs to be placed on the cable box body 1 and simply fixed to start welding at the position of the upper end face of the guide plate 4 and the lower end face of the mask 3.

[0025] This solution guides rainwater to flow along the edge of the guide plate 4 to the end of the guide plate 4 near the ground through the edge shape of the guide plate 4, and continuously gathers to form water drops and drips, and continuously gathers rainwater flowing down the outer surface of the guide plate 4 on the way, reducing the rainwater drops staying on the edge of the guide plate 4. At the same time, the guide plate 4 can also cover part of the lower part of the air vent 2, reducing the possibility of liquid splashing from the ground and entering the cable box body 1 through the air vent 2.

[0026] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A cable branch box with air holes, characterized in that: The invention comprises a cable box body and an air vent, wherein a mask for covering the air vent is arranged on the air vent, a guide plate is arranged on the mask, an edge of the guide plate near the ground is in a "V" shape, and angles between the edges on both sides of the guide plate near the ground and the horizontal plane are both greater than or equal to 30°.

2. A cable branch box with air holes according to claim 1, characterized in that: A guiding slope is also arranged on the outer side of one end of the guide plate close to the ground.

3. A cable branch box with air holes according to claim 2, characterized in that: The end of the guide plate close to the ground contacts with the cable box body.

4. A cable branch box with air holes according to claim 3, characterized in that: The end of the guide plate close to the ground is welded to the cable box body.

5. A cable branch box with air holes according to any one of claims 1 to 4, characterized in that: The guide plate is connected to the shield by welding.

6. A cable branch box with air holes according to any one of claims 1 to 4, characterized in that: There are a plurality of ventilation holes, and the ventilation hole array is arranged on the side of the cable box body.

7. A cable branch box with air holes according to any one of claims 1 to 4, characterized in that: The angle between the edge of one side of the guide plate near the ground and the horizontal plane is 90°, and the angle between the edge of the other side of the guide plate near the ground and the horizontal plane is greater than or equal to 30°.

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