Tubular bus joint structure

Abstract

The utility model relates to the technical field of electrical bushings, in particular to a tubular bus joint structure, which comprises a first insulating head, a first connector is arranged on the right side surface of the first insulating head, a first mounting tube is fixedly connected to the right side surface of the first connector, and a tight pad is arranged on the outer surface of the first mounting tube. A connecting cylinder is arranged on one side of the surface of the first connector, and the connecting cylinder is matched with the first mounting pipe; and the second mounting pipe is mounted in the connecting cylinder. The same operation is completed through the second installation pipe, meanwhile, the second fastening ring is installed between the connecting cylinder and the second connector, and therefore the connecting positions of the first connector, the connecting cylinder and the second connector are integrally sealed, the overall installation sealing effect is good, the first installation pipe can abut against a sealing gasket, and the sealing effect is good. Therefore, a sealing effect is achieved between the sealing gasket and the first mounting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical bushings, in particular to a tube busbar joint structure. Background Art

[0002] Quick-plug busbar connectors are only used for low-current cable connections, including cable plug-in heads. Due to limitations in process, technology and reliability, they cannot be used on larger current dry-type insulated busbars. Traditional transformer low-voltage side high-current busbars often use rectangular busbars or multiple cables in parallel.

[0003] In this regard, China has applied for a patent number: CN211556181U, which discloses a tubular busbar joint. It includes an intermediate connecting tube and an insulating tubular busbar connected to the two ends of the intermediate connecting tube, the intermediate connecting tube includes an intermediate connecting tube insulator, an intermediate connecting tube shielding net is embedded in the intermediate connecting tube insulator, a transition conductor is arranged inside the intermediate connecting tube insulator, and intermediate connecting body flanges are provided at both ends of the intermediate connecting tube insulator; the insulating tubular busbar includes an insulating tubular busbar intermediate conductive tube and an insulating tubular busbar insulation layer outside the insulating tubular busbar, a silicone rubber plug is provided at the front end of the insulating tubular busbar and is compressed by the end cover outside the insulating tubular busbar insulation layer, the insulating tubular busbar intermediate conductive tube extends into the transition conductor, and grooves are provided at both ends of the inner side of the transition conductor, and contact fingers are embedded in the grooves to realize the electrical connection between the transition conductor and the insulating tubular busbar intermediate conductive tube. The utility model solves the shortcomings of the complicated construction process of the insulating tubular busbar intermediate joint and the lack of performance guarantee.

[0004] However, in actual use, the overall sealing effect of the joint is poor during installation, and the contact between the overall joint and the middle connector cannot be sealed and fixed as a whole. At the same time, it needs to be fixed with bolts during subsequent fixation, which is troublesome to remove after aging. Therefore, it has become an urgent problem to be solved for us to improve and perfect the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a busbar joint structure to solve the problem that the joint proposed in the above-mentioned background technology has a poor overall sealing effect during installation, the contact between the overall joint and the intermediate connector cannot be sealed and fixed as a whole, and it also needs to be fixed by bolts during subsequent fixing, which makes it troublesome to remove after aging.

[0006] To achieve the above object, the utility model provides the following technical solutions: a busbar joint structure, comprising a first insulating head, a first connector is arranged on the right surface of the first insulating head, a first mounting tube is fixedly connected to the right surface of the first connector, a tight pad is arranged on the outer surface of the first mounting tube, a connecting tube is arranged on one side of the surface of the first connector, and the connecting tube and the first mounting tube are adapted to each other;

[0007] A second mounting tube, the second mounting tube is mounted inside the connecting tube, a second connecting head is fixedly connected to the right side surface of the second mounting tube, a second insulating head is arranged on the right side surface of the second connecting head, a sealing gasket and a transition guide body are arranged in sequence on the inner side wall of the connecting tube from front to back, and a first fastening ring is arranged on the outer surface of the connecting tube.

[0008] Preferably, a second fastening ring is provided on one side of the surface of the connecting tube, and the second fastening ring has the same structure as the first fastening ring.

[0009] Preferably, a first stabilizing ring is fixedly connected to the left surface of the first connector, and a slot is provided on the right surface of the first stabilizing ring.

[0010] Preferably, a limiting plate is provided inside the slot, and the left side of the limiting plate is installed inside the slot.

[0011] Preferably, a second stabilizing ring is provided on the outer surface of the limiting plate, an adapting groove is provided inside the second stabilizing ring, an insert block is fixedly connected to the right side surface of the limiting plate, and a limiting groove is provided inside the insert block.

[0012] Preferably, a stabilizing plate is fixedly connected to the right side surface of the second stabilizing ring, a stabilizing column is fixedly connected to the lower surface of the stabilizing plate, and the stabilizing column and the limiting groove are adapted to each other.

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

[0014] The busbar joint structure is provided with a first insulating head, a first connecting head, a first mounting tube, a tight gasket, a connecting tube, a second mounting tube, a second connecting head, a second insulating head, a transition conduction body, a sealing gasket, a first fastening ring and a second fastening ring. During installation, the first mounting tube and the tight gasket are inserted into the interior of the connecting tube. The tightness between the first mounting tube and the connecting tube can be enhanced by the design of the tight gasket. Then, the right side surface of the first connecting head will contact the left side surface of the connecting tube. Then, the same operation is completed by the second mounting tube. Then, the left side surface of the second connecting head contacts the right side surface of the connecting tube. The overall installation is relatively stable. Then, the first fastening ring is installed between the first connecting head and the connecting tube, and the second fastening ring is installed between the connecting tube and the second connecting head. Thus, the connection between the first connecting head, the connecting tube and the second connecting head is sealed as a whole. Therefore, the overall installation sealing effect is good. The sealing gasket can contact the sealing gasket through the first mounting tube. Therefore, the sealing gasket and the first mounting tube have a sealing effect at the same time, which reflects the practicality of the design.

[0015] The busbar joint structure is provided with a first stabilizing ring, a slot, a limit plate, a second stabilizing ring, an adapting slot, an insert block, a limit slot, a stabilizing plate and a stabilizing column. When in use, first, after the first connecting head, the connecting tube and the second connecting head are installed, the limit plate is installed by inserting it inside the slot, and the limit plate is also installed inside the adapting slot. The slot and the second stabilizing ring are connected by the design of the limit plate and the insert block, and then the stabilizing column is inserted and installed inside the limit slot, and the position of the limit plate is fixed so that the position of the limit plate will not change. Then, the lower surface of the limit plate will contact the upper surfaces of the first fastening ring and the second fastening ring, which can enhance the connection stability of the first fastening ring and the second fastening ring. Therefore, the overall connection and fixing effect is relatively stable, reflecting the functionality of the design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembly of the first insulating head and the second connecting head structure of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the connecting tube structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the disassembly of the first stabilizing ring and the limiting plate structure of the utility model.

[0020] In the figure: 1. first insulating head; 2. first connecting head; 3. first mounting tube; 4. tight gasket; 5. connecting tube; 6. second mounting tube; 7. second connecting head; 8. second insulating head; 9. transition body; 10. sealing gasket; 11. first fastening ring; 12. second fastening ring; 13. first stabilizing ring; 14. slot; 15. limit plate; 16. second stabilizing ring; 17. adapter slot; 18. plug-in block; 19. limit slot; 20. stabilizing plate; 21. stabilizing column. DETAILED DESCRIPTION

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

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A busbar joint structure is disclosed. The first insulating head 1, the first connecting head 2, the first mounting tube 3 and the transition body 9 used in the present application are all products that can be directly purchased on the market. The principles and connection methods thereof are all prior arts well known to those skilled in the art, so they will not be described in detail herein. The structure comprises a first insulating head 1, a first connecting head 2 is arranged on the right side surface of the first insulating head 1, a first mounting tube 3 is fixedly connected to the right side surface of the first connecting head 2, a tight pad 4 is arranged on the outer surface of the first mounting tube 3, a connecting tube 5 is arranged on one side of the surface of the first connecting head 2, the connecting tube 5 and the first mounting tube 3 are adapted to each other, a second fastening ring 12 is arranged on one side of the surface of the connecting tube 5, and the structure of the second fastening ring 12 is the same as that of the first fastening ring 11, a first stabilizing ring 13 is fixedly connected to the left side surface of the first connecting head 2, a slot 14 is opened on the right side surface of the first stabilizing ring 13, a limiting plate 15 is arranged inside the slot 14, the left side of the limiting plate 15 is installed inside the slot 14, a second stabilizing ring 16 is arranged on the outer surface of the limiting plate 15, and a second An adapting groove 17 is provided inside the stabilizing ring 16, an insert block 18 is fixedly connected to the right surface of the limiting plate 15, a limiting groove 19 is provided inside the insert block 18, a stabilizing plate 20 is fixedly connected to the right surface of the second stabilizing ring 16, a stabilizing column 21 is fixedly connected to the lower surface of the stabilizing plate 20, and the stabilizing column 21 and the limiting groove 19 are adapted to each other. First, after the first connector 2, the connecting tube 5 and the second connector 7 are installed, the limiting plate 15 is installed by inserting it inside the slot 14, and the limiting plate 15 is also It will be installed inside the adapter groove 17, and the slot 14 and the second stabilizing ring 16 will be connected through the design of the limiting plate 15 and the insert block 18, and then the stabilizing column 21 will be inserted and installed inside the limiting groove 19 to fix the position of the limiting plate 15, so that the position of the limiting plate 15 will not change, and then the lower surface of the limiting plate 15 will contact the upper surface of the first fastening ring 11 and the second fastening ring 12, which can enhance the connection stability of the first fastening ring 11 and the second fastening ring 12, so the overall connection and fixing effect is relatively stable;

[0024] The second mounting tube 6 is installed inside the connecting tube 5. The right side surface of the second mounting tube 6 is fixedly connected with the second connector 7. The right side surface of the second connector 7 is provided with a second insulating head 8. The inner side wall of the connecting tube 5 is provided with a sealing gasket 10 and a transition guide body 9 in sequence from front to back. The outer surface of the connecting tube 5 is provided with a first fastening ring 11. During installation, the first mounting tube 3 and the tight gasket 4 are inserted into the interior of the connecting tube 5. The tightness between the first mounting tube 3 and the connecting tube 5 can be strengthened through the design of the tight gasket 4. Then the right side surface of the first connector 2 will contact the connecting tube 5. The left side surface, and then the same operation is completed through the second mounting tube 6, and then the left side surface of the second connecting head 7 is in contact with the right side surface of the connecting tube 5, and the overall installation is relatively stable, and then the first fastening ring 11 is installed between the first connecting head 2 and the connecting tube 5, and the second fastening ring 12 is installed between the connecting tube 5 and the second connecting head 7, so that the connection between the first connecting head 2, the connecting tube 5 and the second connecting head 7 is sealed as a whole, so the overall installation sealing effect is better, and the first mounting tube 3 can be used to contact the sealing gasket 10, so the sealing gasket 10 and the first mounting tube 3 have a sealing effect at the same time.

[0025] Working principle: When the staff uses this device, first connect the device to an external power supply to provide power support for the device. During installation, the first mounting tube 3 and the tight pad 4 are inserted into the interior of the connecting tube 5. The design of the tight pad 4 can enhance the tightness between the first mounting tube 3 and the connecting tube 5. Then the right side surface of the first connector 2 will contact the left side surface of the connecting tube 5. Then the same operation is completed through the second mounting tube 6. Then the left side surface of the second connector 7 contacts the right side surface of the connecting tube 5. The overall installation is relatively stable. Then, the first fastening ring 11 is installed between the first connector 2 and the connecting tube 5, and the second fastening ring 12 is installed between the connecting tube 5 and the second connector 7. Thus, the connection between the first connector 2, the connecting tube 5 and the second connector 7 is sealed as a whole, so that the overall installation is stable. The sealing effect is good, and the first mounting tube 3 can contact the sealing gasket 10, so the sealing gasket 10 and the first mounting tube 3 have a sealing effect at the same time. After the first connecting head 2, the connecting tube 5 and the second connecting head 7 are installed, the limiting plate 15 is inserted and installed inside the slot 14, and the limiting plate 15 is also installed inside the adapter slot 17. The slot 14 and the second stabilizing ring 16 are connected through the design of the limiting plate 15 and the plug 18, and then the stabilizing column 21 is inserted and installed inside the limiting slot 19, and the position of the limiting plate 15 is fixed, so that the position of the limiting plate 15 will not change, and then the lower surface of the limiting plate 15 will contact the upper surface of the first fastening ring 11 and the second fastening ring 12, which can enhance the connection stability of the first fastening ring 11 and the second fastening ring 12. The above is all the working principles of the present invention.

[0026] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A tubular busbar joint structure, comprising a first insulating head (1), a first connecting head (2) being arranged on the right side surface of the first insulating head (1), a first mounting tube (3) being fixedly connected to the right side surface of the first connecting head (2), characterized in that: The outer surface of the first mounting tube (3) is provided with a tight pad (4), and the surface side of the first connector (2) is provided with a connecting tube (5), and the connecting tube (5) and the first mounting tube (3) are adapted to each other; A second mounting tube (6), the second mounting tube (6) being mounted inside the connecting tube (5), a second connecting head (7) being fixedly connected to the right side surface of the second mounting tube (6), a second insulating head (8) being arranged on the right side surface of the second connecting head (7), a sealing gasket (10) and a transition body (9) being arranged on the inner side wall of the connecting tube (5) in sequence from front to back, and a first fastening ring (11) being arranged on the outer surface of the connecting tube (5).

2. A tubular busbar joint structure according to claim 1, characterized in that: A second fastening ring (12) is provided on one side of the surface of the connecting tube (5); the second fastening ring (12) has the same structure as the first fastening ring (11).

3. A tubular busbar joint structure according to claim 1, characterized in that: A first stabilizing ring (13) is fixedly connected to the left surface of the first connector (2), and a slot (14) is provided on the right surface of the first stabilizing ring (13).

4. A tubular busbar joint structure according to claim 3, characterized in that: A limiting plate (15) is arranged inside the slot (14), and the left side of the limiting plate (15) is installed inside the slot (14).

5. A tubular busbar joint structure according to claim 4, characterized in that: The outer surface of the limit plate (15) is provided with a second stabilizing ring (16), the interior of the second stabilizing ring (16) is provided with an adapting groove (17), and the right side surface of the limit plate (15) is fixedly connected with an insert block (18), the interior of the insert block (18) is provided with a limit groove (19).

6. A tubular busbar joint structure according to claim 5, characterized in that: A stabilizing plate (20) is fixedly connected to the right side surface of the second stabilizing ring (16), a stabilizing column (21) is fixedly connected to the lower surface of the stabilizing plate (20), and the stabilizing column (21) and the limiting groove (19) are mutually adapted.

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