Umbrella-shaped cantilever structure of porcelain insulator

Abstract

The utility model relates to the technical field of umbrella-shaped cantilever structures of porcelain insulators, and discloses an umbrella-shaped cantilever structure of a porcelain insulator, which comprises a cross arm, one end of the cross arm is fixedly connected with a clamping block, the outer surface of the clamping block is provided with an insulator body, one end of the insulator body is provided with a clamping groove, and the other end of the cross arm is provided with a clamping groove. A mounting groove is formed in the outer surface of the insulator body, a mounting block is clamped in the mounting groove, a bolt is arranged at the bottom of the mounting block, a sealing device is arranged on the outer surface of the cross arm, and in order to prevent the connection contact between one end of the cross arm and the insulator body from being corroded by rainwater, the clamping block is clamped into the clamping groove, and the mounting block is clamped into the mounting groove; one end of the bolt penetrates through the mounting block and the clamping block to the interior of the insulator body, and meanwhile, the rotating piece is rotated to enable the threaded rod to drive the movable block to move towards the insulator body, so that the mounting groove can be well shielded by the protective piece, the sealing performance of the mounting groove can be better, and the bolt can be prevented from being corroded by rainwater.

Description

Technical Field

[0001] The utility model relates to the technical field of umbrella-shaped wrist arm structures of porcelain insulators, in particular to an umbrella-shaped wrist arm structure of porcelain insulators. Background Art

[0002] The wrist insulator has a compact structure, strong integrity, good anti-fouling ability, light weight, small size, good internal and external insulation performance, high mechanical strength, and no need for regular cleaning. It is mainly used in high-speed railway and urban light rail transportation construction, bringing great convenience to storage, transportation, installation and maintenance.

[0003] Some devices on the market generally adjust the angle of the support rod by rotating a round block, which drives the screw to rotate, and the screw drives the moving block to move, so as to make the support rod firmly support the flat wrist arm and the oblique wrist arm, thereby improving the supporting effect.

[0004] However, in actual use, the above-mentioned equipment will be wetted by rain when it rains for a long time, which will cause the bolts connecting the cross arm and the insulator to be corroded, making it inconvenient to disassemble the equipment during maintenance, affecting the safety of the device. In view of this, we propose a porcelain insulator umbrella-shaped wrist arm structure. Utility Model Content

[0005] The utility model aims to provide an umbrella-shaped arm structure of a porcelain insulator to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a porcelain insulator umbrella-shaped wrist arm structure, comprising a cross arm, one end of the cross arm is fixedly connected with a clamping block, the outer surface of the clamping block is provided with an insulator body, one end of the insulator body is provided with a clamping groove, the outer surface of the insulator body is provided with a mounting groove, the mounting block is clamped inside the mounting groove, the bottom of the mounting block is provided with a bolt, the outer surface of the cross arm is provided with a sealing device, and the sealing device includes:

[0007] A slide groove is provided on the outer surface of the cross arm, a threaded rod is rotatably connected to one side of the inner wall of the slide groove, a rotating part is fixedly connected to the outer surface of the threaded rod, and a movable block is threadedly connected to the outer surface of the threaded rod;

[0008] A support rod is hinged at the bottom of the movable block, a protective piece is fixedly connected to one side of the movable block, the protective piece is arranged in an arc shape, a sealing strip is fixedly connected to the upper surface of the protective piece, and both ends of the sealing strip are arranged with rounded corners.

[0009] Preferably, the position of the protective member corresponds to the position of the mounting slot, and the size of the protective member matches the size of the mounting slot, so that the protective member can cover the mounting slot well.

[0010] Preferably, the length of the sealing strip matches the length of the mounting groove, and one side of the sealing strip contacts one side of the inner wall of the mounting groove, so that the sealing performance of the mounting groove can be better.

[0011] Preferably, the movable block is arranged inside the slide groove, and the position of the clamping block corresponds to the position of the bolt, so that the bolt can limit the clamping block.

[0012] Preferably, an embedding groove is provided on one side of the mounting block, and an embedding rod is fixedly connected to one side of the movable block.

[0013] Preferably, the position of the embedding rod corresponds to the embedding slot, and one end of the embedding rod passes through one side of the inner wall of the sliding slot and one end of the insulator body to the inside of the embedding slot.

[0014] Compared with the prior art, the utility model provides a porcelain insulator umbrella-shaped arm structure, which has the following beneficial effects:

[0015] 1. The umbrella-shaped wrist arm structure of the porcelain insulator, in order to prevent the connection between one end of the cross arm and the insulator body from being corroded by rainwater, the card block is inserted into the card slot, the mounting block is inserted into the mounting slot, and one end of the bolt is used to penetrate the mounting block and the card block to the inside of the insulator body, so that the insulator body can be well limited, and at the same time, the rotating part is rotated to let the threaded rod drive the movable block to move toward the insulator body, so that the protective part can well cover the mounting slot, and at the same time, one side of the sealing strip arranged on the upper surface of the protective part is in contact with one side of the inner wall of the mounting slot, so that the sealing of the mounting slot can be better, thereby effectively preventing the bolts from being corroded by rainwater.

[0016] 2. The umbrella-shaped wrist arm structure of the porcelain insulator, in order to make the connection between the cross arm and the insulator body tighter, when the movable block moves toward the insulator body, the embedded rod is just stuck in the embedded groove, so that one end of the embedded rod passes through one side of the slide groove and one end of the insulator body to the inside of the mounting block, so that the mounting block can be better limited in the mounting groove, so that the cross arm and the insulator body are more closely connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional bottom view structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross arm explosion structure of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of the A area of ​​the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the movable block of the utility model.

[0021] In the figure: 1. cross arm; 2. slide groove; 3. threaded rod; 4. rotating part; 5. movable block; 6. support rod; 7. clamping block; 8. insulator body; 9. clamping groove; 10. mounting groove; 11. mounting block; 12. bolt; 13. protective part; 14. sealing strip; 15. embedded rod; 16. embedded groove. DETAILED DESCRIPTION

[0022] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a porcelain insulator umbrella-shaped wrist arm structure, including a cross arm 1, one end of the cross arm 1 is fixedly connected with a clamping block 7, the position of the clamping block 7 corresponds to the position of the bolt 12, so that the bolt 12 can limit the clamping block 7, the outer surface of the clamping block 7 is provided with an insulator body 8, one end of the insulator body 8 is provided with a clamping groove 9, the outer surface of the insulator body 8 is provided with a mounting groove 10, the inside of the mounting groove 10 is clamped with a mounting block 11, the bottom of the mounting block 11 is provided with a bolt 12, and the outer surface of the cross arm 1 is provided with a sealing device, the sealing device includes a slide groove 2, a threaded rod 3, a rotating member 4, a movable block 5, a support rod 6, a protective member 13 and a sealing strip 14.

[0023] In the embodiment of the utility model, a slide groove 2 is provided on the outer surface of the cross arm 1, a threaded rod 3 is rotatably connected to one side of the inner wall of the slide groove 2, a rotating member 4 is fixedly connected to the outer surface of the threaded rod 3, a movable block 5 is threadedly connected to the outer surface of the threaded rod 3, the movable block 5 is arranged inside the slide groove 2, a support rod 6 is hinged at the bottom of the movable block 5, a protective member 13 is fixedly connected to one side of the movable block 5, the protective member 13 is arranged in an arc shape, the position of the protective member 13 corresponds to the position of the mounting groove 10, the size of the protective member 13 is adapted to the size of the mounting groove 10, so that the protective member 13 can cover the mounting groove 10 well, and a sealing strip 14 is fixedly connected to the upper surface of the protective member 13, the two ends of the sealing strip 14 are arranged with rounded corners, and the length of the sealing strip 14 is adapted to the length of the mounting groove 10 One side of the sealing strip 14 is in contact with one side of the inner wall of the mounting groove 10, so that the sealing of the mounting groove 10 can be better. An embedding groove 16 is provided on one side of the mounting block 11, and an embedding rod 15 is fixedly connected to one side of the movable block 5. The position of the embedding rod 15 corresponds to the embedding groove 16. One end of the embedding rod 15 passes through one side of the inner wall of the slide groove 2 and one end of the insulator body 8 to the inside of the embedding groove 16. In this way, when the movable block 5 moves toward the insulator body 8, the embedding rod 15 is just stuck in the embedding groove 16. In this way, one end of the embedding rod 15 passes through one side of the inside of the slide groove 2 and one end of the insulator body 8 to the inside of the mounting block 11, so that the mounting block 11 can be better limited in the mounting groove 10, so that the cross arm 1 and the insulator body 8 are more closely connected.

[0024] In the utility model, when in use, the card block 7 is inserted into the card slot 9, the mounting block 11 is inserted into the mounting slot 10, and one end of the bolt 12 is used to penetrate the mounting block 11 and the card block 7 to the inside of the insulator body 8, so that the insulator body 8 can be well limited, and at the same time, the rotating part 4 is rotated to allow the threaded rod 3 to drive the movable block 5 to move toward the insulator body 8, so that the protective part 13 can well cover the mounting slot 10, and at the same time, one side of the sealing strip 14 arranged on the upper surface of the protective part 13 is in contact with one side of the inner wall of the mounting slot 10, so that the sealing performance of the mounting slot 10 can be better, thereby effectively preventing the bolt 12 from being corroded by rainwater.

[0025] Furthermore, when the movable block 5 moves toward the insulator body 8, the embedding rod 15 is just inserted into the embedding groove 16, so that one end of the embedding rod 15 passes through one side of the slide groove 2 and one end of the insulator body 8 to the inside of the mounting block 11, so that the mounting block 11 can be better limited in the mounting groove 10, so that the cross arm 1 and the insulator body 8 are more closely connected.

[0026] 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 depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A porcelain insulator umbrella-shaped arm structure, comprising a cross arm (1), one end of the cross arm (1) is fixedly connected to a clamping block (7), an insulator body (8) is arranged on the outer surface of the clamping block (7), one end of the insulator body (8) is provided with a clamping groove (9), an outer surface of the insulator body (8) is provided with a mounting groove (10), a mounting block (11) is clamped inside the mounting groove (10), and a bolt (12) is arranged at the bottom of the mounting block (11), characterized in that: The outer surface of the cross arm (1) is provided with a sealing device, and the sealing device comprises: A slide groove (2), the outer surface of the cross arm (1) is provided with a slide groove (2), one side of the inner wall of the slide groove (2) is rotatably connected to a threaded rod (3), the outer surface of the threaded rod (3) is fixedly connected to a rotating member (4), and the outer surface of the threaded rod (3) is threadedly connected to a movable block (5); A support rod (6), the bottom of the movable block (5) is hinged with the support rod (6), one side of the movable block (5) is fixedly connected with a protective member (13), the protective member (13) is arranged in an arc shape, the upper surface of the protective member (13) is fixedly connected with a sealing strip (14), and both ends of the sealing strip (14) are arranged in a rounded shape.

2. The umbrella-shaped arm structure of a porcelain insulator according to claim 1, characterized in that: The position of the protective member (13) corresponds to the position of the mounting groove (10), and the size of the protective member (13) matches the size of the mounting groove (10).

3. The umbrella-shaped arm structure of a porcelain insulator according to claim 1, characterized in that: The length of the sealing strip (14) matches the length of the installation groove (10), and one side of the sealing strip (14) contacts one side of the inner wall of the installation groove (10).

4. The umbrella-shaped arm structure of a porcelain insulator according to claim 1, characterized in that: The movable block (5) is arranged inside the slide groove (2), and the position of the clamping block (7) corresponds to the position of the bolt (12).

5. The umbrella-shaped arm structure of a porcelain insulator according to claim 1, characterized in that: An embedding groove (16) is provided on one side of the installation block (11), and an embedding rod (15) is fixedly connected to one side of the movable block (5).

6. The umbrella-shaped arm structure of a porcelain insulator according to claim 5, characterized in that: The position of the embedding rod (15) corresponds to the embedding groove (16), and one end of the embedding rod (15) penetrates one side of the inner wall of the sliding groove (2) and one end of the insulator body (8) to the inside of the embedding groove (16).

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