Outdoor waterproof structure of sheet metal case

Abstract

The outdoor waterproof structure comprises a U-shaped frame, the bottom of the U-shaped frame is fixedly provided with a case, the top of the case is provided with a cable hole, a side plate is welded between the left side of the U-shaped frame and the case, the top of the U-shaped frame is provided with a cover plate, and the left side of the cover plate is integrally provided with a shield plate. According to the utility model, a cable penetrates into the case through the threading port and the cable hole, then the cover plate is fixed at the top of the U-shaped frame through cooperation of the threaded hole block, the lug block and the bolt rod, and meanwhile, the cover plate and the U-shaped frame can be closed for waterproof protection through cooperation of the clamping groove, the clamping strip and the rubber ring; meanwhile, the cover plate covers the outer side of the threading opening in a waterproof mode, so that the cable inlet and outlet in the top of the case can be shielded and protected, outdoor rainwater is prevented from flowing into the case through the cable inlet and outlet, and the waterproof protection purpose of the case is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chassis, and particularly relates to an outdoor waterproof structure for a sheet metal chassis. Background Technique

[0002] The distribution box is a total circuit distribution box for all users' electricity consumption. The box body of the distribution box is usually a sheet metal chassis, which is used to carry and protect various internal electrical accessories, avoiding the internal electrical components from external collisions and preventing electric shock accidents caused by contact with foreign objects.

[0003] Since some sheet metal chassis are used outdoors, cable inlets and outlets are opened at the bottom. When installing the sheet metal chassis in some outdoor sites, the bottom space is limited, making it inconvenient for cables to enter and exit. In this case, cable inlets and outlets need to be opened at the top. To further ensure the waterproofness of the outdoor sheet metal chassis, an outdoor waterproof structure for the sheet metal chassis is required, which can shield and protect the cable inlets and outlets at the top of the chassis, thereby preventing outdoor rainwater from flowing into the chassis through the cable inlets and outlets, improving the waterproof effect of the chassis and protecting the internal electrical components from water. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an outdoor waterproof structure for a sheet metal chassis, which shields and protects the cable inlets and outlets at the top of the chassis, thereby preventing outdoor rainwater from flowing into the chassis through the cable inlets and outlets, improving the waterproof effect of the chassis and protecting the internal electrical components from water, so as to solve the technical problems raised in the above background technique.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: an outdoor waterproof structure for a sheet metal chassis, which includes a U-shaped frame: the bottom of the U-shaped frame is fixedly installed with a chassis, a cable hole is opened at the top of the chassis, a side plate is welded together between the left side of the U-shaped frame and the chassis, a cover plate is arranged at the top of the U-shaped frame, a cover plate is integrally formed on the left side of the cover plate, a wire passing hole is opened at the top of the side plate, threaded hole blocks and ear blocks are respectively welded on the surfaces of the U-shaped frame and the cover plate, a bolt rod is arranged in the inner cavity of the ear block, and the surface of the bolt rod is threadedly connected with the threaded hole block. A clamping groove is opened at the top of the U-shaped frame, a clamping strip is integrally formed at the bottom of the cover plate, and a rubber ring is pasted at the bottom of the clamping strip.

[0006] Preferably, a second partition strip and a first partition strip are respectively pasted on the inner walls of the bottom and the wire passing hole of the cover plate.

[0007] Preferably, a washer is sleeved on the surface of the bolt rod, and the washer is an elastic gasket.

[0008] Preferably, a sealing ring is pasted at the bottom of the cover plate.

[0009] Preferably, both the card strip and the rubber ring are located inside the card slot, and the bottom of the rubber ring fits against the inner wall of the card slot.

[0010] 1. The beneficial effects of the present utility model are as follows: The present utility model passes the cable into the chassis through the wire passing port and the cable hole, and then fixes the cover plate on the top of the U-shaped frame through the cooperation of the threaded hole block, the ear block and the bolt rod. At the same time, through the cooperation of the card slot, the card strip and the rubber ring, waterproof protection can be carried out for the closure of the cover plate and the U-shaped frame. At the same time, the cover plate protects the outside of the wire passing port from water, so that the cable inlet and outlet on the top of the chassis can be shielded and protected, thereby preventing outdoor rainwater from flowing into the chassis through the cable inlet and outlet, and thus achieving the purpose of improving the waterproof protection of the chassis.

[0011] 2. Through the cooperation of the first partition strip and the second partition strip, the present utility model pads and protects the inner walls of the cover plate and the wire passing port, avoiding the situation that the cable is cut by the edges of the cover plate and the wire passing port.

[0012] 3. Through the setting of the washer, the friction force on the surface of the bolt rod is increased, avoiding the situation that the bolt rod loosens and falls off due to external vibration.

[0013] 4. Through the setting of the sealing ring, the closure of the cover plate and the U-shaped frame is sealed, avoiding the situation that there are gaps between the two, and further improving the sealing performance between the cover plate and the U-shaped frame. Description of the Drawings

[0014] Among them:

[0015] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0016] Figure 2 is an embodiment of the present utility model Figure 1 is a partial enlarged view of point A in the embodiment;

[0017] Figure 3 is a three-dimensional schematic diagram of the card slot and the card strip of an embodiment of the present utility model;

[0018] Figure 4 is an embodiment of the present utility model Figure 3 is a partial enlarged view of point B in the embodiment.

[0019] In the drawings, the list of components represented by each reference numeral is as follows:

[0020] 1. U-shaped frame, 2. Chassis, 3. Cable hole, 4. Side plate, 5. Cover plate, 6. Cover board, 7. Wire passing port, 8. First partition strip, 9. Second partition strip, 10. Threaded hole block, 11. Ear block, 12. Bolt rod, 13. Washer, 14. Sealing ring, 15. Card slot, 16. Card strip, 17. Rubber ring. Detailed implementation manners

[0021] In the following, embodiments of the outdoor waterproof structure of the sheet metal chassis of the present utility model will be described with reference to the accompanying drawings.

[0022] Embodiment 1:

[0023] Figures 1-4 An outdoor waterproof structure of a sheet metal chassis showing an embodiment of the present utility model includes a U-shaped frame 1. A chassis 2 is fixedly installed at the bottom of the U-shaped frame 1. A cable hole 3 is opened at the top of the chassis 2. A side plate 4 is jointly welded between the left side of the U-shaped frame 1 and the chassis 2. A cover plate 5 is arranged at the top of the U-shaped frame 1. A cover plate 6 is integrally formed on the left side of the cover plate 5. A wire passing opening 7 is opened at the top of the side plate 4. A second spacer 9 and a first spacer 8 are respectively pasted on the bottom of the cover plate 6 and the inner wall of the wire passing opening 7. Through the combined use of the first spacer 8 and the second spacer 9, the inner walls of the cover plate 6 and the wire passing opening 7 are padded to avoid the situation that the cable is cut by the edges of the cover plate 6 and the wire passing opening 7. Threaded hole blocks 10 and ear blocks 11 are respectively welded on the surfaces of the U-shaped frame 1 and the cover plate 5. A bolt rod 12 is arranged in the inner cavity of the ear block 11. The surface of the bolt rod 12 is threadedly connected with the threaded hole block 10. A washer 13 is sleeved on the surface of the bolt rod 12. The washer 13 is an elastic washer. Through the arrangement of the washer 13, the friction received on the surface of the bolt rod 12 is increased, and the situation that the bolt rod 12 loosens and falls off due to external vibration is avoided. A card slot 15 is opened at the top of the U-shaped frame 1. A card strip 16 is integrally formed at the bottom of the cover plate 5. A rubber ring 17 is pasted at the bottom of the card strip 16.

[0024] Embodiment 2:

[0025] Figures 1-4 An outdoor waterproof structure of a sheet metal chassis showing an embodiment of the present utility model includes a U-shaped frame 1. A chassis 2 is fixedly installed at the bottom of the U-shaped frame 1. A cable hole 3 is opened at the top of the chassis 2. A side plate 4 is jointly welded between the left side of the U-shaped frame 1 and the chassis 2. A cover plate 5 is arranged at the top of the U-shaped frame 1. A cover plate 6 is integrally formed on the left side of the cover plate 5. A wire passing opening 7 is opened at the top of the side plate 4. Threaded hole blocks 10 and ear blocks 11 are respectively welded on the surfaces of the U-shaped frame 1 and the cover plate 5. A bolt rod 12 is arranged in the inner cavity of the ear block 11. The surface of the bolt rod 12 is threadedly connected with the threaded hole block 10. A sealing ring 14 is pasted at the bottom of the cover plate 5. Through the arrangement of the sealing ring 14, the closure of the cover plate 5 and the U-shaped frame 1 is sealed, and the situation that there is a gap between the two is avoided, further improving the sealing performance between the cover plate 5 and the U-shaped frame 1. A card slot 15 is opened at the top of the U-shaped frame 1. A card strip 16 is integrally formed at the bottom of the cover plate 5. A rubber ring 17 is pasted at the bottom of the card strip 16. The card strip 16 and the rubber ring 17 are both located in the inner cavity of the card slot 15, and the bottom of the rubber ring 17 is in contact with the inner wall of the card slot 15.

[0026] Working principle: When the utility model is in use, the user passes the cable into the chassis 2 through the wire threading port 7 and the cable hole 3, and then fixes the cover plate 5 on the top of the U-shaped frame 1 through the cooperation of the threaded hole block 10, the ear block 11 and the bolt rod 12. At this time, the cover plate 5 drives the rubber ring 17 into the inner cavity of the card slot 15 through the card strip 16. Through the cooperation of the card slot 15, the card strip 16 and the rubber ring 17, waterproof protection can be carried out for the closure of the cover plate 5 and the U-shaped frame 1. At the same time, the cover plate 6 provides waterproof protection for the outside of the wire threading port 7, which can prevent external rainwater from entering the inner cavity of the U-shaped frame 1 through the wire threading port 7, that is, the cable inlet and outlet at the top of the chassis are shielded and protected, and further prevent outdoor rainwater from flowing into the chassis through the cable inlet and outlet, thereby improving the waterproof protection of the chassis.

[0027] To sum up: For the outdoor waterproof structure of this sheet metal chassis, the cable is passed into the chassis 2 through the wire threading port 7 and the cable hole 3, and then the cover plate 5 is fixed on the top of the U-shaped frame 1 through the cooperation of the threaded hole block 10, the ear block 11 and the bolt rod 12. At the same time, through the cooperation of the card slot 15, the card strip 16 and the rubber ring 17, waterproof protection can be carried out for the closure of the cover plate 5 and the U-shaped frame 1. At the same time, the cover plate 6 provides waterproof protection for the outside of the wire threading port 7, and thus the cable inlet and outlet at the top of the chassis can be shielded and protected, further preventing outdoor rainwater from flowing into the chassis through the cable inlet and outlet, thereby achieving the purpose of improving the chassis waterproof protection.

Claims

1. An outdoor waterproof structure of a sheet metal chassis, characterized in that: The invention comprises a U-shaped frame (1): a chassis (2) is fixedly mounted on the bottom of the U-shaped frame (1); a cable hole (3) is provided on the top of the chassis (2); a side plate (4) is welded between the left side of the U-shaped frame (1) and the chassis (2); a cover plate (5) is provided on the top of the U-shaped frame (1); a cover plate (6) is integrally formed on the left side of the cover plate (5); a threading opening (7) is provided on the top of the side plate (4); a threaded hole block (10) and an ear block (11) are respectively welded on the surfaces of the U-shaped frame (1) and the cover plate (5); a bolt rod (12) is provided in the inner cavity of the ear block (11); the surface of the bolt rod (12) is threadedly connected to the threaded hole block (10); a clamping groove (15) is provided on the top of the U-shaped frame (1); a clamping strip (16) is integrally formed on the bottom of the cover plate (5); a rubber ring (17) is adhered to the bottom of the clamping strip (16).

2. The outdoor waterproof structure of a sheet metal chassis according to claim 1, characterized in that: The cover plate (6), the bottom and the inner wall of the threading opening (7) are respectively adhered with a second spacer strip (9) and a first spacer strip (8).

3. The outdoor waterproof structure of a sheet metal chassis according to claim 2, characterized in that: A washer (13) is sleeved on the surface of the bolt rod (12), and the washer (13) is an elastic gasket.

4. The outdoor waterproof structure of a sheet metal chassis according to claim 3, characterized in that: A sealing ring (14) is adhered to the bottom of the cover plate (5).

5. The outdoor waterproof structure of a sheet metal chassis according to claim 4, characterized in that: The clamping strip (16) and the rubber ring (17) are both located in the inner cavity of the clamping slot (15), and the bottom of the rubber ring (17) fits with the inner wall of the clamping slot (15).

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