Composite shielding insulation tubular bus sleeve

Abstract

The utility model discloses a composite shielding insulation tubular bus bushing, which is applied to the bushing field, and comprises a base, two sides of the base are provided with inner bushings, the surfaces of the inner bushings are slidably sleeved with outer bushings, two sides of the base are symmetrically provided with first screw rods, the surfaces of the outer bushings are symmetrically provided with connecting seats, and the connecting seats are provided with second screw rods. The surface of the first screw is in threaded connection with a first nut and a second nut, two threaded seats are arranged in the base, the interiors of the threaded seats are in threaded connection with second screws, and the other ends of the second screws are welded to the interior of the base. According to the technical scheme, the adjustable positioning function can be achieved, the stability and safety of the bus are improved, it is ensured that the bus keeps stable electrical performance and mechanical strength under the high-temperature or high-load condition, meanwhile, the protection distance can be adjusted, operation is easy and convenient, the use environment of the product is improved, and practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of bushings, and in particular to a composite shielded insulated tubular busbar bushing. Background Technology

[0002] Currently, Chinese utility model patent CN203415325U discloses a heat-resistant reinforced busbar bushing. While this busbar bushing boasts high strength and good pressure resistance, it suffers from other problems during use. For example, it lacks adjustable positioning functionality, requiring internal slots for the busbars to pass through. If these slots are too large, they cannot effectively support and position the busbars, leading to displacement and vibration within the bushing, potentially causing short circuits and poor contact. Furthermore, the protective distance cannot be adjusted. During wall penetration construction, if the bushing is too short, it cannot fully cover the conductive pipe; if it is too long, insufficient space necessitates cutting, which is time-consuming and labor-intensive. To address these issues, we propose a composite shielded insulating tube type busbar bushing. Utility Model Content

[0003] The purpose of this invention is to provide a composite shielded insulated tubular busbar bushing that solves the problems of existing busbar bushings lacking adjustable positioning function and being unable to adjust the protection distance.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a composite shielded insulating tubular busbar bushing, including a base, inner sleeves installed on both sides of the base, an outer sleeve slidably sleeved on the surface of the inner sleeve, first screws symmetrically installed on both sides of the base, connecting seats symmetrically installed on the surface of the outer sleeve, a first nut and a second nut threadedly connected to the surface of the first screws, two threaded seats provided inside the base, a second screw threadedly connected to the inside of the threaded seats, the other end of the second screw being welded to the inside of the base, and a clamping plate rotatably connected to the other side of the threaded seats through a fixing member.

[0005] The above technical solution enables adjustable positioning, improves the stability and safety of the busbar, ensures stable electrical performance and mechanical strength under high temperature or high load conditions, and allows for adjustment of the protection distance. It is simple and convenient to operate, improves the product's operating environment, and has high practicality.

[0006] The present invention is further configured such that: spring washers are slidably sleeved on both sides of the surface of the first screw and on both sides of the connecting seat.

[0007] By adopting the above technical solution and setting the spring washer, the fixing effect of the first nut and the second nut after tightening can be improved.

[0008] The present invention is further configured such that the base has four mounting holes inside.

[0009] By adopting the above technical solution, the installation holes make it easy for personnel to fix the base in the designated position with screws.

[0010] The present invention is further configured such that a baffle is installed on the other side of the clamping plate.

[0011] By adopting the above technical solution, the opening at the top of the clamping plate can be closed by setting the baffle.

[0012] The present invention is further configured such that an anti-slip sleeve is fixedly fitted onto the surface of the threaded seat.

[0013] By adopting the above technical solution and setting the anti-slip sleeve, the anti-slip effect of the threaded seat surface can be improved.

[0014] The present invention is further configured such that the surfaces of both the first screw and the second screw are galvanized.

[0015] By adopting the above technical solution, the corrosion resistance, wear resistance and acid and alkali resistance of the first screw and the second screw can be improved.

[0016] The present invention is further configured such that the base, inner sleeve and outer sleeve are all made of epoxy resin.

[0017] By adopting the above technical solution, the base, inner sleeve and outer sleeve have excellent insulation and shielding performance, strong current carrying capacity and high mechanical strength.

[0018] In summary, this utility model has the following beneficial effects:

[0019] 1. This utility model uses screws to fix the base. After the base is fixed, the busbar is passed through the inside. Then, the hand is put into the base and the lower threaded seat is rotated to make the clamping plate move up until it moves up to fit the bottom of the busbar. Then the upper threaded seat is rotated to make the clamping plate move down. When the clamping plate moves down, it clamps the busbar. It has an adjustable positioning function, which improves the stability and safety of the busbar and ensures that the busbar maintains stable electrical performance and mechanical strength under high temperature or high load conditions.

[0020] 2. This utility model allows for adjustment of the protection distance when it is necessary to increase the outward movement distance of the outer sleeve. First, use a tool to loosen the second nut to move it outward. After the second nut moves outward, it will release the fixation on the connecting seat. Then, grasp the connecting seat and pull it outward to move the outer sleeve outward. When the outer sleeve moves outward to a suitable distance, tighten the first nut and the second nut in sequence to fix the connecting seat. This allows for adjustment of the protection distance, is simple and convenient to operate, improves the product's usage environment, and has high practicality. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural view of the present invention;

[0022] Figure 2 This is a front sectional view of the structure of this utility model;

[0023] Figure 3 This is a left-side sectional view of the structure of this utility model;

[0024] Figure 4 This is a partially enlarged cross-sectional view of the front of the structure of this utility model.

[0025] Reference numerals in the attached drawings: 1. Base; 2. Inner sleeve; 3. Outer sleeve; 4. First screw; 5. Connecting seat; 6. First nut; 7. Second nut; 8. Second screw; 9. Threaded seat; 10. Clamping plate; 11. Spring washer; 12. Mounting hole; 13. Baffle; 14. Anti-slip sleeve. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the accompanying drawings.

[0027] Example 1:

[0028] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A composite shielded insulating tube-type busbar bushing includes a base 1, with inner sleeves 2 installed on both sides of the base 1. An outer sleeve 3 is slidably fitted onto the surface of the inner sleeve 2. First screws 4 are symmetrically installed on both sides of the base 1. Connecting seats 5 are symmetrically installed on the surface of the outer sleeve 3. A first nut 6 and a second nut 7 are threadedly connected to the surface of the first screws 4. When it is necessary to increase the outward movement distance of the outer sleeve 3, the second nut 7 is first loosened with a tool to move it outward. After the second nut 7 moves outward, it will release the fixation on the connecting seat 5. Then, the connecting seat 5 is grasped and pulled outward to move the outer sleeve 3 outward. When the outer sleeve 3 moves outward to a suitable distance, the first nut 6 and the second nut 7 are tightened in sequence to fix the connecting seat 5. The protection distance can be adjusted, the operation is simple and convenient, the product's usage environment is improved, and its practicality is high.

[0029] refer to Figure 4 Spring washers 11 are slidably fitted onto the surface of the first screw 4 and on both sides of the connecting seat 5. The setting of the spring washers 11 can improve the fixing effect of the first nut 6 and the second nut 7 after tightening.

[0030] refer to Figure 1 and Figure 3 The base 1 has four mounting holes 12 inside, which make it easy for personnel to fix the base 1 in a designated position with screws.

[0031] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The surfaces of the first screw 4 and the second screw 8 are both galvanized, which improves their corrosion resistance, wear resistance and acid and alkali resistance.

[0032] refer to Figure 1 , Figure 2 and Figure 3 The base 1, inner sleeve 2 and outer sleeve 3 are all made of epoxy resin. The base 1, inner sleeve 2 and outer sleeve 3 have excellent insulation and shielding performance, strong current carrying capacity and high mechanical strength.

[0033] Brief description of the usage process: When it is necessary to increase the outward movement distance of the outer sleeve 3, first use a tool to loosen the second nut 7 to move it outward. After the second nut 7 moves outward, it will release the fixation on the connecting seat 5. Then, grasp the connecting seat 5 and pull it outward to move the outer sleeve 3 outward. When the outer sleeve 3 moves outward to a suitable distance, tighten the first nut 6 and the second nut 7 in sequence to fix the connecting seat 5.

[0034] Example 2:

[0035] refer to Figure 1 , Figure 2 and Figure 3 A composite shielded insulating tube-type busbar bushing has two threaded seats 9 inside the base 1. The threaded seats 9 are threadedly connected to a second screw 8. The other end of the second screw 8 is welded to the inside of the base 1. The other side of the threaded seats 9 is rotatably connected to a clamping plate 10 through a fixing component. The base 1 is fixed with screws. After the base 1 is fixed, the busbar is passed through the inside. Then, a hand is inserted into the base 1 and the lower threaded seat 9 is rotated to move the clamping plate 10 upward until it is in contact with the bottom of the busbar. Then, the upper threaded seat 9 is rotated to move the clamping plate 10 downward. When the clamping plate 10 moves downward, it clamps the busbar. It has an adjustable positioning function, which improves the stability and safety of the busbar and ensures that the busbar maintains stable electrical performance and mechanical strength under high temperature or high load conditions.

[0036] refer to Figure 3 A baffle 13 is installed on the other side of the clamping plate 10. The baffle 13 can close the opening at the top of the clamping plate 10.

[0037] refer to Figure 2 and Figure 3 The surface of the threaded seat 9 is fixedly fitted with an anti-slip sleeve 14. The anti-slip effect of the surface of the threaded seat 9 can be improved by setting the anti-slip sleeve 14.

[0038] Brief description of the usage process: Fix the base 1 with screws. After the base 1 is fixed, pass the busbar through the inside. Then put your hand into the base 1 and first rotate the lower threaded seat 9 to move the clamping plate 10 up until it is in contact with the bottom of the busbar. Then rotate the upper threaded seat 9 to move the clamping plate 10 down. The clamping plate 10 will clamp the busbar when it moves down.

[0039] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A composite shielded insulated tubular bus duct comprising a base (1) characterised in that: Both sides of the base (1) are installed with inner sleeves (2), the surface of the inner sleeves (2) is slidingly sleeved with outer sleeves (3), both sides of the base (1) are symmetrically installed with first screw rods (4), the surface of the outer sleeves (3) is symmetrically installed with connecting seats (5), the surface of the first screw rods (4) is threadedly connected with first nuts (6) and second nuts (7), the inside of the base (1) is provided with two threaded seats (9), the inside of the threaded seats (9) is threadedly connected with second screw rods (8), the other end of the second screw rods (8) is welded with the inside of the base (1), the other side of the threaded seats (9) is rotatably connected with clamping plates (10) through fixing pieces.

2. A composite shielded insulated tubular bus duct according to claim 1, wherein, The surface of the first screw rod (4) and located on both sides of the connecting seat (5) is slidingly sleeved with spring washers (11).

3. A composite shielded insulated tubular bus duct according to claim 1, wherein, Four mounting holes (12) are formed in the inside of the base (1).

4. The composite shielded insulated tubular bus duct of claim 1, wherein, The other side of the clamping plate (10) is installed with a baffle (13).

5. The composite shielded insulated tubular bus duct of claim 1, wherein, The surface of the threaded seat (9) is fixedly sleeved with an anti-skid sleeve (14).

6. A composite shielded insulated tubular bus duct according to claim 1, wherein, The surface of the first screw rod (4) and the second screw rod (8) is subjected to galvanization treatment.

7. A composite shielded insulated tubular bus duct according to claim 1, wherein, The base (1), the inner sleeve (2) and the outer sleeve (3) are all made of epoxy resin material.

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