Bus duct with flame-retardant function

Abstract

The utility model discloses a bus duct with a flame-retardant function, which relates to the technical field of bus ducts and comprises a bus duct main body, an upper shell and a lower shell are respectively arranged on the upper side and the lower side of the bus duct main body, and four mainboards are arranged at the two ends of the bus duct main body. A first shielding block is arranged between the two main plates on the outer side, a second shielding block is arranged between the two main plates in the middle, and the first shielding block and the second shielding block both protrude out of the main plates. According to the bus duct with the flame-retardant function, through the arrangement of the second shielding block and the first shielding block, a gap between the two main boards can be closed, so that the situation that dust, scrap iron and some other impurities enter the space between the two main boards when the bus duct is installed, and then short circuit occurs when the bus duct is used is avoided, and the service life of the bus duct is prolonged. And a gap between the two main boards can be blocked, so that the protection performance of the bus duct is improved, and the bus duct is worthy of popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, in particular to a bus duct with a flame retardant function. Background Art

[0002] Bus duct is a closed metal device composed of copper and aluminum busbars, 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] However, when the existing bus duct is in use, since the main board of the bus duct is exposed to the outside, and the bus duct is usually not protected during installation, impurities such as dust and iron filings from the outside will enter between the main boards of the bus duct, and then when the bus duct is in use, the possibility of short circuit in the bus duct is increased. Therefore, a bus duct with flame retardant function is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a bus duct with flame retardant function, which can solve the problems of the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bus duct with flame retardant function, comprising a bus duct main body, wherein an upper shell and a lower shell are respectively arranged on the upper and lower sides of the bus duct main body, four main boards are arranged at both ends of the bus duct main body, a first blocking block is arranged between the two outer main boards, a second blocking block is arranged between the two middle main boards, and the first blocking block and the second blocking block both protrude from the main board.

[0006] Preferably, the space between the upper shell and the bus duct body and the space between the lower shell and the bus duct body are filled with fireproof cotton, and the surface of the mainboard is wrapped with fire-resistant mica tape.

[0007] Preferably, both sides of the first shielding block are fixedly connected with rubber frames, and both sides of the second shielding block are also fixedly connected with rubber frames, and the surface of the rubber frame and the surface of the mainboard slide against each other.

[0008] Preferably, side mounting plates are fixedly connected on both sides of the bus duct body, a telescopic rod is fixedly connected to the surface of the side mounting plates, a side of the telescopic rod away from the side mounting plates is slidably connected to the interior of the first shielding block, a third spring is fixedly connected to the interior of the first shielding block, and an end of the third spring away from the interior of the first shielding block is fixedly connected to the surface of the telescopic rod.

[0009] Preferably, the telescopic rod includes a telescopic outer rod and a telescopic inner rod, the telescopic outer rod and the telescopic inner rod slide with each other, the surface of the telescopic outer rod is slidably connected to the inside of the first blocking block, the end of the telescopic inner rod away from the telescopic outer rod is fixedly connected to the surface of the side mounting plate, the surface of the telescopic inner rod is fixedly connected with a first spring, and the end of the first spring away from the telescopic inner rod is fixedly connected to the inside of the telescopic outer rod.

[0010] Preferably, the surface of the bus duct body is fixedly connected to an upper mounting plate, the surface of the upper mounting plate is fixedly connected to an L-shaped rod, the surface of the L-shaped rod is fixedly connected to a fixed shaft, the interior of the second shielding block is slidingly connected to a moving block, and the surface of the fixed shaft is rotationally connected to the interior of the moving block.

[0011] Preferably, a torsion spring is movably sleeved on the surface of the fixed shaft, and two ends of the torsion spring are respectively fixedly connected to the surface of the internal fixed shaft of the moving block.

[0012] Preferably, a second spring is fixedly connected to the interior of the second shielding block, and one end of the second spring away from the interior of the second shielding block is fixedly connected to the surface of the moving block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The bus duct with flame retardant function can close the gap between the two main boards by setting the second blocking block and the first blocking block, thereby preventing dust, iron filings and some other impurities from entering between the two main boards when the bus duct is installed, thereby preventing the bus duct from short-circuiting when in use. The gap between the two main boards can be blocked, thereby improving the protective performance of the bus duct, and is worthy of promotion.

[0015] (2) The bus duct with flame retardant function can cover and protect the main board again, thereby reducing the difficulty of water droplets dripping onto the main board when water leaks from the floor, thereby improving the protective performance of the bus duct, reducing the probability of short circuit in the bus duct, and increasing the service life of the bus duct, which has a high promotion value.

[0016] (3) The bus duct with flame retardant function is provided with a rubber frame, so that the contact between the second shielding block and the first shielding block and the main board is soft contact, thereby avoiding the situation where the insulating layer on the surface of the main board is scratched when the second shielding block and the first shielding block are withdrawn from the main board, thereby ensuring the normal use of the bus duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of the structure of a bus duct with flame retardant function according to the utility model;

[0019] Figure 2 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0020] Figure 3 This is a schematic diagram of the internal structure of the second shielding block of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the first shielding block of the utility model;

[0022] Figure 5 This is a schematic diagram of the surface structure of the first shielding block of the utility model.

[0023] Figure numerals: 1. upper shell; 2. lower shell; 3. bus duct body; 4. third spring; 5. fireproof cotton; 6. side mounting plate; 7. upper mounting plate; 8. L-shaped rod; 9. telescopic rod; 901. telescopic outer rod; 902. first spring; 903. telescopic inner rod; 10. first blocking block; 11. second blocking block; 12. main board; 13. fire-resistant mica tape; 14. rubber frame; 15. moving block; 16. fixed shaft; 17. torsion spring; 18. second spring. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a bus duct with flame retardant function, including a bus duct main body 3, an upper shell 1 and a lower shell 2 are respectively arranged on the upper and lower sides of the bus duct main body 3, and fireproof cotton 5 is filled between the upper shell 1 and the bus duct main body 3 and between the lower shell 2 and the bus duct main body 3, and four main boards 12 are arranged at both ends of the bus duct main body 3, and the surface of the main board 12 is wrapped with a fire-resistant mica tape 13, and then the fire-resistant mica tape 13 and the fire-resistant cotton 5 are arranged to ensure the fire retardant performance of the bus duct.

[0026] A first blocking block 10 is provided between the two outer main boards 12, and a second blocking block 11 is provided between the two middle main boards 12. The first blocking block 10 and the second blocking block 11 both protrude from the main boards 12. Both sides of the first blocking block 10 are fixedly connected with rubber frames 14, and both sides of the second blocking block 11 are also fixedly connected with rubber frames 14. The surface of the rubber frame 14 slides with the surface of the main board 12. Then, by setting the second blocking block 11 and the first blocking block 10, the gap between the two main boards 12 can be closed, thereby avoiding the occurrence of damage to the main board 12 during the bus duct repair. During installation, dust, iron filings and some other impurities enter between the two main boards 12, which may cause a short circuit in the bus duct during use. The gap between the two main boards 12 can be sealed, thereby improving the protection performance of the bus duct, which is worthy of promotion. At the same time, the setting of the rubber frame 14 makes the contact between the second blocking block 11 and the first blocking block 10 and the main board 12 soft contact, thereby avoiding the second blocking block 11 and the first blocking block 10 from withdrawing from the main board 12. The insulating layer on the surface of the main board 12 is scratched, thereby ensuring the normal use of the bus duct.

[0027] Furthermore, side mounting plates 6 are fixedly connected to both sides of the bus duct body 3, a telescopic rod 9 is fixedly connected to the surface of the side mounting plate 6, the side of the telescopic rod 9 away from the side mounting plate 6 is slidably connected to the inside of the first blocking block 10, a third spring 4 is fixedly connected to the inside of the first blocking block 10, and one end of the third spring 4 away from the inside of the first blocking block 10 is fixedly connected to the surface of the telescopic rod 9.

[0028] The telescopic rod 9 includes a telescopic outer rod 901 and a telescopic inner rod 903. The telescopic outer rod 901 and the telescopic inner rod 903 slide with each other. The surface of the telescopic outer rod 901 is slidably connected to the inside of the first blocking block 10. The end of the telescopic inner rod 903 away from the telescopic outer rod 901 is fixedly connected to the surface of the side mounting plate 6. The surface of the telescopic inner rod 903 is fixedly connected with a first spring 902. The end of the first spring 902 away from the telescopic inner rod 903 is fixedly connected to the inside of the telescopic outer rod 901. When the first blocking block 10 is inserted between the two main boards 12, the first spring 902 is in a stretched state.

[0029] Furthermore, the surface of the bus duct body 3 is fixedly connected to an upper mounting plate 7, the surface of the upper mounting plate 7 is fixedly connected to an L-shaped rod 8, the surface of the L-shaped rod 8 is fixedly connected to a fixed shaft 16, the interior of the second shielding block 11 is slidably connected to a moving block 15, the surface of the fixed shaft 16 is rotationally connected to the interior of the moving block 15, the surface of the fixed shaft 16 is movably sleeved with a torsion spring 17, the two ends of the torsion spring 17 are respectively fixedly connected to the surface of the internal fixed shaft 16 of the moving block 15, and when the second shielding block 11 is inserted between the two main boards 12, the torsion spring 17 is in a twisted state, and the second shielding block A second spring 18 is fixedly connected to the interior of 11, and one end of the second spring 18 away from the interior of the second blocking block 11 is fixedly connected to the surface of the moving block 15. When the second blocking block 11 is inserted into the two main boards 12, the second spring 18 is in a stretched state, and the elastic force of the second spring 18 is small, which is insufficient to overcome the friction between the two rubber frames 14 on the surface of the second blocking block 11 and the main board 12. Therefore, the second blocking block 11 will not be reset under the elastic force of the second spring 18 at this time. When the second spring 18 is not deformed, the moving block 15 is located in the middle part of the second blocking block 11.

[0030] Specifically, when docking the bus duct with the connector, first place the top of the bus duct downward, that is, in contact with the ground, and then insert the main board 12 on the connector between the two main boards 12 on the bus duct, so that the main board 12 on the connector pushes the first blocking block 10 and the second blocking block 11 until the first blocking block 10 and the second blocking block 11 are pushed out from between the two main boards 12. In this process, the third spring 4 is compressed, and the second spring 18 is compressed after being reset. Then, under the elastic force of the first spring 902, the first blocking block 10 is pulled closer to the side mounting plate 6. When the first blocking block 10 is located on both sides of the main board 12, the first blocking block 10 returns to its original state under the elastic force of the third spring 4, thereby protecting the outer side of the main board 12. After the second blocking block 11 is pushed out, under the elastic force of the torsion spring 17, the second blocking block 11 changes from a vertical shape to a horizontal shape, and is perpendicular to the main board 12. At the same time, under the elastic force of the second spring 18, the movable block 15 is located in the middle part of the second blocking block 11. At this time, the second blocking block 11 is located on the top of the two first blocking blocks 10, closing the main board 12, and then the main board 12 can be covered and protected again, thereby reducing the difficulty of water droplets dripping onto the main board 12 when water leaks on the floor, thereby improving the protection performance of the bus duct, reducing the short circuit probability of the bus duct, and increasing the service life of the bus duct. It has a high promotion value. After the connector is inserted, the bus duct is turned over so that the second blocking block 11 is located at the top for installation.

[0031] Working principle: The main board 12 on the connector is inserted between the two main boards 12 on the bus duct, so that the main board 12 on the connector pushes the first blocking block 10 and the second blocking block 11 until the first blocking block 10 and the second blocking block 11 are pushed out from between the two main boards 12. Under the elastic force of the first spring 902 and the third spring 4, the first blocking block 10 returns to its original state, thereby protecting the outside of the main board 12. Under the elastic force of the torsion spring 17 and the second spring 18, the second blocking block 11 is located on top of the two first blocking blocks 10, closing the main board 12.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bus duct with flame retardant function, comprising a bus duct body (3), characterized in that: An upper shell (1) and a lower shell (2) are respectively arranged on the upper and lower sides of the bus duct body (3); four main boards (12) are arranged at both ends of the bus duct body (3); a first blocking block (10) is arranged between the two outer main boards (12); a second blocking block (11) is arranged between the two middle main boards (12); and the first blocking block (10) and the second blocking block (11) both protrude from the main boards (12).

2. The bus duct with flame retardant function according to claim 1, characterized in that: Fireproof cotton (5) is filled between the upper shell (1) and the bus duct body (3) and between the lower shell (2) and the bus duct body (3), and a fire-resistant mica tape (13) is wound around the surface of the main board (12).

3. The bus duct with flame retardant function according to claim 1, characterized in that: Both sides of the first shielding block (10) are fixedly connected to rubber frames (14), and both sides of the second shielding block (11) are also fixedly connected to rubber frames (14), and the surface of the rubber frame (14) and the surface of the main board (12) slide relative to each other.

4. The bus duct with flame retardant function according to claim 1, characterized in that: The bus duct body (3) is fixedly connected to side mounting plates (6) on both sides, a telescopic rod (9) is fixedly connected to the surface of the side mounting plates (6), a side of the telescopic rod (9) away from the side mounting plates (6) is slidably connected to the inside of a first shielding block (10), a third spring (4) is fixedly connected to the inside of the first shielding block (10), and an end of the third spring (4) away from the inside of the first shielding block (10) is fixedly connected to the surface of the telescopic rod (9).

5. The bus duct with flame retardant function according to claim 4, characterized in that: The telescopic rod (9) comprises a telescopic outer rod (901) and a telescopic inner rod (903); the telescopic outer rod (901) and the telescopic inner rod (903) slide with each other; the surface of the telescopic outer rod (901) is slidably connected to the inside of the first blocking block (10); one end of the telescopic inner rod (903) away from the telescopic outer rod (901) is fixedly connected to the surface of the side mounting plate (6); the surface of the telescopic inner rod (903) is fixedly connected to a first spring (902); one end of the first spring (902) away from the telescopic inner rod (903) is fixedly connected to the inside of the telescopic outer rod (901).

6. The bus duct with flame retardant function according to claim 1, characterized in that: The surface of the bus duct body (3) is fixedly connected to an upper mounting plate (7), the surface of the upper mounting plate (7) is fixedly connected to an L-shaped rod (8), the surface of the L-shaped rod (8) is fixedly connected to a fixed shaft (16), the interior of the second shielding block (11) is slidably connected to a moving block (15), and the surface of the fixed shaft (16) is rotationally connected to the interior of the moving block (15).

7. The bus duct with flame retardant function according to claim 6, characterized in that: A torsion spring (17) is movably sleeved on the surface of the fixed shaft (16), and two ends of the torsion spring (17) are respectively fixedly connected to the surface of the internal fixed shaft (16) of the moving block (15).

8. The bus duct with flame retardant function according to claim 6, characterized in that: A second spring (18) is fixedly connected inside the second shielding block (11), and one end of the second spring (18) away from the inside of the second shielding block (11) is fixedly connected to the surface of the moving block (15).

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