Combined bus duct elbow

Abstract

The utility model discloses a combined type bus duct elbow, which comprises a bus duct body, a protective sleeve arranged on the outer wall of the bus duct body, a slidable protective cover arranged on the outer wall of the bus duct body, a rack arranged on the outer wall of the protective cover, and a connecting rod arranged on the rack. A driving piece capable of driving the protective cover to move back and forth is arranged on the left side in the protective sleeve, and a sealing assembly used for sealing the bus duct body is arranged on the outer wall of the bus duct body. The protective sleeve and the slidable protective cover are arranged on the outer wall of the bus duct, dual protection is provided for the flange piece and the connecting plate, erosion of external environmental factors such as dust and moisture to key connecting parts is effectively prevented, the service life of the bus duct elbow is prolonged, the sealing assembly is matched with the protective cover to seal the flange piece and the connecting plate, and the service life of the bus duct elbow is prolonged. The protection performance is further enhanced, it is ensured that the internal connection part is in a relatively stable and safe environment, and connection faults caused by external factors are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, in particular to a combined bus duct elbow. Background Art

[0002] Bus duct is a closed metal device composed of copper and aluminum busbar columns, which is used to distribute high power to various components of the distributed system. It has increasingly replaced wires and cables in indoor low-voltage power transmission trunk line projects.

[0003] When currently connecting bus ducts, the flanges and connecting plates are directly exposed to the external environment and are easily corroded by dust, moisture, and other factors. Over time, these external factors may cause rust and corrosion at the connection parts, reducing the stability and reliability of the connection, and thus affecting the overall performance and service life of the bus duct. Summary of the Invention

[0004] The purpose of the present utility model is to provide a combined bus duct elbow to solve the problem raised in the above background technology that when the current bus duct is connected, the flange and the connecting plate are directly exposed to the external environment and are easily corroded by dust, moisture, etc. Over time, these external factors may cause rust and corrosion at the connection parts, reduce the stability and reliability of the connection, and further affect the overall performance and service life of the bus duct.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined bus duct elbow, comprising a bus duct body, the bus duct body, the outer wall of the bus duct body is provided with a protective sleeve, the outer wall of the bus duct body is provided with a slidable protective cover, the outer wall of the protective cover is provided with a rack, the inner left side of the protective sleeve is provided with a driving member that can drive the protective cover to move forward and backward, and the outer wall of the bus duct body is provided with a sealing assembly for sealing the bus duct body.

[0006] Preferably, the outer wall of the bus duct body is provided with a slide rail supporting the inner slide of the protective cover.

[0007] Preferably, the inner wall of the protective cover is provided with a slideway for limiting the moving stroke of the protective cover.

[0008] Preferably, the sealing assembly includes a limiting groove, which is arranged on the outer wall of the other end of the bus duct body, and a slidable first sealing plate is arranged on both sides of the limiting groove, a rotatable screw is arranged inside the top of the first sealing plate, a limiting rod is arranged on the back of the first sealing plate, and a slidable second sealing plate is arranged on the outer wall of the limiting rod.

[0009] Preferably, the top and bottom ends of the second sealing plate are inclined with sliding grooves.

[0010] Preferably, reverse threads are provided on the left and right sides of the lead screw.

[0011] Preferably, the driving member includes a rotating rod, which is rotatably arranged on the left side of the inner portion of the protective sleeve, and a gear is provided on the right outer wall of the rotating rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the combined bus duct elbow

[0013] 1. The outer wall of the bus duct is equipped with a protective sleeve and a sliding protective cover, which provides double protection for the flange and the connecting plate, effectively preventing the erosion of key connection parts by external environmental factors such as dust and moisture, and extending the service life of the bus duct elbow.

[0014] 2. The sealing assembly cooperates with the protective cover to seal the flange and the connecting plate, further enhancing the protection performance, ensuring that the internal connection parts are in a relatively stable and safe environment, and reducing connection failures caused by external factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the rear cross-sectional connection structure of the middle sealing assembly;

[0017] Figure 3 for Figure 1 A top-view cross-sectional schematic diagram of the connection structure;

[0018] Figure 4 for Figure 1 A schematic diagram of a side cross-sectional connection structure;

[0019] Figure 5 for Figure 3 Schematic diagram of the enlarged connection structure at point A in the middle.

[0020] In the figure: 1. bus duct body, 2. flange, 3. connecting plate, 4. protective sleeve, 5. protective cover, 6. rack, 7. rotating rod, 8. gear, 9. limiting groove, 10. first sealing plate, 11. screw, 12. limiting rod, 13. second sealing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: a combined bus duct elbow, including a bus duct body 1, a flange 2 and a connecting plate 3. The front surface of the bus duct body 1 is provided with a flange 2, the bus duct body 1 is used to support the flange 2, the flange 2 is provided with a connecting plate 3 inside, the connecting plate 3 is used to connect the flanges 2 on both sides, the outer wall of the bus duct body 1 is provided with a protective sleeve 4, the protective sleeve 4 is used to support the protective cover 5, the outer wall of the bus duct body 1 is provided with a slidable protective cover 5, the protective cover 5 is sealed to the bus duct through a sealing component. The main body 1 is sealed, and the outer wall of the protective cover 5 is provided with a rack 6. The rack 6 drives the protective cover 5 to move forward and backward through the gear 8. A driving member that can drive the protective cover 5 to move forward and backward is provided on the left side of the interior of the protective sleeve 4. The driving member drives the protective cover 5 to move forward and backward through a slide provided on the inner wall of the protective cover 5. The outer wall of the bus duct body 1 is provided with a sealing component for sealing the bus duct body 1, and the outer wall of the bus duct body 1 is provided with a slide rail supporting the internal slide of the protective cover 5. The inner wall of the protective cover 5 is provided with a slide for limiting the moving stroke of the protective cover 5.

[0023] Specifically, the sealing assembly includes a limit groove 9, which is arranged on the outer wall of the other end of the bus duct body 1, and the limit groove 9 seals the bus duct body 1 through the protective cover 5. A slidable first sealing plate 10 is provided on both sides of the limit groove 9, and the first sealing plate 10 seals the bus duct body 1 through the second sealing plate 13 and the protective cover 5. A rotatable screw 11 is provided inside the top of the first sealing plate 10, and the screw 11 drives the first sealing plate 10 to move left and right through the reverse thread arranged on the outer wall. A limit rod 12 is provided on the back of the first sealing plate 10, and the limit rod 12 drives the second sealing plate 13 to move up and down through the sliding grooves opened at both ends of the second sealing plate 13. A slidable second sealing plate 13 is provided on the outer wall of the limit rod 12, and the second sealing plate 13 cooperates with the first sealing plate 10 to move up and down. The top and bottom ends of the second sealing plate 13 are inclined with sliding grooves, and the sliding grooves cooperate with the limit rod 12 to drive the second sealing plate 13 to move up and down, and reverse threads are provided on the left and right sides of the screw 11.

[0024] More specifically, the driving member includes a rotating rod 7, which is rotatably arranged on the left side of the inner side of the protective sleeve 4. The rotating rod 7 is used to drive the gear 8 to rotate. The right outer wall of the rotating rod 7 is provided with a gear 8, and the gear 8 drives the protective cover 5 to move forward and backward through the rack 6.

[0025] The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process. The specific operations are as follows.

[0026] When the combined bus duct elbow starts to be used, the user first moves the bus duct body 1 backward, the bus duct body 1 drives the flange 2 to move backward, places the connecting plate 3 inside the flange 2, connects the flange 2 through the bolts on both sides of the connecting plate 3, rotates the rotating rod 7, and the rotating rod 7 drives the gear 8 to rotate. The rotation of the gear 8 drives the rack 6 to move forward, and the rack 6 drives the protective cover 5 to move forward. The protective cover 5 moves forward to the inside of the limit groove 9, and then rotates the screw 11. The screw 11 rotates through the reverse thread set on the outer wall of the screw 11 to drive the first sealing plate 10 to move inward. The first sealing plate 10 drives the limiting rod 12 to move inward. The limiting rod 12 moves inward and drives the second sealing plate 13 up and down through the oblique sliding grooves set on both sides of the second sealing plate 13. The first sealing plate 10 moves inward and the second sealing plate 13 moves up and down to seal one end of the protective cover 5 to prevent dust and water from entering the connection of the bus duct body 1, and to prevent water from entering the connection to cause the flange 2 to short-circuit, affecting the working effect of the bus duct body 1.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined bus duct elbow, comprising a bus duct body (1), characterized in that: The outer wall of the bus duct body (1) is provided with a protective sleeve (4), the outer wall of the bus duct body (1) is provided with a slidable protective cover (5), the outer wall of the protective cover (5) is provided with a rack (6), the inner left side of the protective sleeve (4) is provided with a driving member that can drive the protective cover (5) to move forward and backward, and the outer wall of the bus duct body (1) is provided with a sealing component for sealing the bus duct body (1).

2. The combined bus duct elbow according to claim 1, characterized in that: The outer wall of the bus duct body (1) is provided with a slide rail for supporting the inner slideway of the protective cover (5).

3. The combined bus duct elbow according to claim 1, characterized in that: The inner wall of the protective cover (5) is provided with a slideway for limiting the moving stroke of the protective cover (5).

4. The combined bus duct elbow according to claim 1, characterized in that: The sealing assembly includes a limiting groove (9), the limiting groove (9) is arranged on the outer wall of the other end of the bus duct body (1), a slidable first sealing plate (10) is arranged on both sides of the limiting groove (9), a rotatable screw (11) is arranged inside the top of the first sealing plate (10), a limiting rod (12) is arranged on the back of the first sealing plate (10), and a slidable second sealing plate (13) is arranged on the outer wall of the limiting rod (12).

5. The combined bus duct elbow according to claim 4, characterized in that: The top and bottom ends of the second sealing plate (13) are inclined with sliding grooves.

6. The combined bus duct elbow according to claim 4, characterized in that: Reverse threads are provided on the left and right sides of the lead screw (11).

7. The combined bus duct elbow according to claim 1, characterized in that: The driving member comprises a rotating rod (7), which is rotatably arranged on the left side of the interior of the protective sleeve (4), and a gear (8) is arranged on the right outer wall of the rotating rod (7).

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