Side expansion bus connector

Abstract

The utility model discloses a side expansion bus connector, which comprises a side expansion sleeve, a fixing hole is formed in the side expansion sleeve, an electric contact is arranged in the fixing hole, a fixing groove is formed in one end of the side expansion sleeve with a large radius, a side bus coupler is arranged in the fixing groove, a connecting hole is formed in one end of the electric contact, and the side bus coupler is arranged in the connecting hole. The other end of the electrical contact is provided with a conductive sphere, the conductive sphere is located in the fixing groove and clamped in one end of the fitting, the outer wall of the electrical contact is provided with a plurality of annular grooves, the side expansion sleeve is provided with corresponding protruding blocks, the two ends of the side bus coupler are connected to the interior of the side expansion sleeve, and the middle end of the inner wall of the side bus coupler is provided with a limiting ring. The side buscouple is sleeved on the outer wall of the fitting, the outer wall of the fitting is provided with a limiting groove, a limiting ring is arranged in the limiting groove, the middle end of the fitting is provided with a fixing block, two ends of the fixing block are respectively provided with a connecting block, the connecting blocks are clamped with the conductive sphere, and the connecting blocks are provided with chamfers.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar connectors, in particular to a side-expanding busbar connector. Background Art

[0002] Busbar connector is an effective way to reduce the use of cables. It has the characteristics of strong heat dissipation, environmental protection, flexible wiring, etc. It has practical application significance in comprehensive buildings with centralized power supply mode. Busbar duct is commonly used in AC power supply systems of high-rise buildings. Busbar duct is a busbar system composed of metal plates as protective shells, conductive bars, insulating materials and related accessories. Busbar duct can be divided into three types according to insulation method: air busbar duct, dense insulation busbar duct and high-strength busbar duct.

[0003] Chinese patent number CN112103677A discloses a side extension busbar connector for a ring main unit, including an insulator of the ring main unit for enhancing insulation effect, the insulator having an electric contact built therein, the electric contact having a connection hole, the plug head having a conductive sphere, the insulator having an annular fixing groove, the annular fixing groove being matched with a side busbar rubber sleeve, the side busbar rubber sleeve comprising a conical sleeve and a circular sleeve matched with the annular fixing groove, the circular sleeve having two circles of protrusions at the center thereof, the side busbar rubber sleeve having a copper tube inside the sleeve, the two ends of the copper tube having chamfers, the copper tube having a fixing groove, and a contact finger being fixed in the fixing groove.

[0004] However, in the prior art, the conductive balls of the busbar connector are connected and conducted only by copper tubes, resulting in low flow rate. Moreover, after long-term use, the two conductive balls are prone to loosen in the copper tubes, resulting in poor contact or falling off, affecting use. Utility Model Content

[0005] The utility model aims to provide a side-expanded busbar connector to solve the above-mentioned background problems.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A side expansion busbar connector, comprising a side expansion sleeve: the side expansion sleeve is provided with a fixing hole, an electric contact is arranged in the fixing hole, a fixing groove is provided at one end of the side expansion sleeve with a large radius, and a side busbar is arranged inside the fixing groove;

[0008] Electric contact: A connection hole is provided in one end of the electric contact, a conductive ball is provided in the other end of the electric contact, the conductive ball is located in the fixing groove, the conductive ball is clamped in one end of the hardware, a plurality of annular grooves are provided on the outer wall of the electric contact, and a corresponding protrusion is provided on the side expansion sleeve;

[0009] Side busbar: The two ends of the side busbar are respectively connected to the inside of the side expansion sleeve, a limiting ring is provided at the middle end of the inner wall of the side busbar, and the side busbar is sleeved on the outer wall of the hardware;

[0010] Hardware: The outer wall of the hardware is provided with a limit groove, a limit ring is provided inside the limit groove, a fixing block is provided at the middle end of the hardware, connecting blocks are provided at both ends of the fixing block, the connecting blocks are clamped with the conductive sphere, and the connecting blocks are provided with chamfers.

[0011] As a further solution of the utility model: the side expansion sleeve is in a truncated cone shape, and a plurality of installation grooves are provided at one end of the side expansion sleeve with a larger radius.

[0012] As a further solution of the utility model: the fixing groove is in a "concave" shape, and a side female connection is provided inside the protruding part of the fixing groove.

[0013] As a further solution of the utility model: the side busbar is a tubular structure, and both ends of the side busbar are tapered.

[0014] As a further solution of the utility model: two protruding rings are provided at the middle end of the outer wall of the side busbar, and a grounding wire is connected between the two protruding rings.

[0015] As a further solution of the utility model: the limiting groove is an annular groove and surrounds the outer wall of the hardware.

[0016] As a further solution of the utility model: the connecting block is in a "concave" shape.

[0017] As a further solution of the utility model: the side-extended busbar connector meets the requirements of IEC 60502 and is implemented in accordance with GB / T8349 and GB / T11022.

[0018] Beneficial effects of the utility model:

[0019] The utility model connects the inner cone insulator with the electric contact, and the electric contact is connected with the side expansion sleeve, thus achieving a fully sealed connection between the utility model and the inner cone insulator;

[0020] The utility model clamps two electrical contacts together through a hardware, thereby ensuring electrical contact between the two electrical contacts and achieving a stable connection between the two electrical contacts;

[0021] The utility model realizes full shielding connection between the utility model and the inner cone insulator by arranging the side bus tie sleeve on the outer wall of the hardware and connecting the side bus tie inside the side expansion bushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the middle and side expansion sleeve connection structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the side busbar connection structure of the utility model;

[0026] Figure 4 It is a schematic diagram of the hardware connection structure in the utility model.

[0027] In the figure: 100, side expansion sleeve; 101, electrical contact; 102, connection hole; 103, conductive sphere; 104, fixing groove; 105, installation groove; 200, side busbar; 201, protruding ring; 202, limiting ring; 300, hardware; 301, limiting groove; 302, connection block; 303, fixing block; 304, chamfer; 400, grounding wire. DETAILED DESCRIPTION

[0028] 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 of 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.

[0029] See also Figure 1 - Figure 4 As shown, the utility model is a side expansion busbar connector, comprising: a side expansion sleeve 100 is truncated cone-shaped, a fixing hole is provided on the side expansion sleeve 100, an electric contact 101 is provided in the fixing hole, a fixing groove 104 is provided on the end with a larger radius of the side expansion sleeve 100, the fixing groove 104 is in a "concave" shape, a side busbar 200 is provided inside the protruding part of the fixing groove 104, and a plurality of mounting grooves 105 are provided on the end with a larger radius of the side expansion sleeve 100;

[0030] A connection hole 102 is provided in one end of the electric contact 101, and the connection hole 102 is connected to the inner cone insulator in the switch cabinet. A conductive ball 103 is provided at the other end of the electric contact 101, and the conductive ball 103 is located inside the fixing groove 104. The conductive ball 103 is clamped inside one end of the hardware 300. The outer wall of the electric contact 101 is provided with a plurality of annular grooves, and the side expansion sleeve 100 is provided with corresponding protruding blocks, so as to ensure a stable connection between the side expansion sleeve 100 and the electric contact 101, and avoid loosening between the side expansion sleeve 100 and the electric contact 101 over time or under the pulling of external force;

[0031] The side bus tie 200 is a tubular structure, and both ends of the side bus tie 200 are tapered. The two ends of the side bus tie 200 are respectively connected to the inside of the side expansion sleeve 100. Two protruding rings 201 are provided at the middle end of the outer wall of the side bus tie 200. A grounding wire 400 is connected between the two protruding rings 201, so that the grounding wire 400 is fixed between the two protruding rings 201 to prevent the grounding wire 400 from sliding on the outer wall of the side bus tie 200. A limiting ring 202 is provided at the middle end of the inner wall of the side bus tie 200, and the side bus tie 200 is sleeved on the outer wall of the hardware 300.

[0032] The outer wall of the hardware 300 is provided with a limiting groove 301, which is an annular groove and surrounds the outer wall of the hardware 300. A limiting ring 202 is provided inside the limiting groove 301, so as to limit the position between the opposite busbar 200 and the hardware 300. A fixing block 303 is provided at the middle end of the hardware 300, and connecting blocks 302 are provided at both ends of the fixing block 303.

[0033] The connecting block 302 is in a "concave" shape, and the connecting block 302 clamps the conductive ball 103, thereby fixing the electrical contact 101 and the fitting 300. The concave portion of the connecting block 302 is provided with a chamfer 304, so as to facilitate the installation of the conductive ball 103 inside the connecting block 302;

[0034] Working principle of the utility model: when two switch cabinets need to be connected, it is only necessary to connect the inner cone insulator on the switch cabinet along the connection hole 102 to the inside of the electric contact 101. The electric contact 101 is connected to the side expansion sleeve 100, and a plurality of grooves are provided at the connection, which enhances the connection stability and ensures the sealing. The conductive sphere 103 is clamped in the inside of the hardware 300, ensuring the conductivity of the conductive sphere 103 and fixing the conductive sphere 103. The side busbar 200 surrounds the hardware 300 and the electric contact 101 as a whole, and the two ends of the side busbar 200 are connected to the side expansion sleeve 100. The inside of the utility model is connected to the electric contact 101 through the inner cone insulator, and the electric contact 101 is connected to the side expansion sleeve 100, so as to realize the fully sealed connection between the utility model and the inner cone insulator. The two electric contacts 101 are clamped by the hardware 300, which ensures the electrical contact between the two electric contacts 101 and realizes the stable connection between the two electric contacts 101. The side busbar 200 is sleeved on the outer wall of the hardware 300, and the side busbar 200 is connected to the inside of the side expansion sleeve 100, so as to realize the fully shielded connection between the utility model and the inner cone insulator.

[0035] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A side extension busbar connector, characterized in that: The side expansion sleeve (100) comprises a fixing hole, an electric contact (101) is arranged in the fixing hole, a fixing groove (104) is arranged at one end of the side expansion sleeve (100) with a large radius, and a side busbar (200) is arranged inside the fixing groove (104); An electric contact (101): a connection hole (102) is provided in one end of the electric contact (101), a conductive ball (103) is provided in the other end of the electric contact (101), the conductive ball (103) is located in the interior of the fixing groove (104), the conductive ball (103) is clamped in the interior of one end of the hardware (300), a plurality of annular grooves are provided on the outer wall of the electric contact (101), and a corresponding protruding block is provided on the side expansion sleeve (100); Side busbar (200): two ends of the side busbar (200) are respectively connected to the inside of the side expansion sleeve (100), a limiting ring (202) is provided at the middle end of the inner wall of the side busbar (200), and the side busbar (200) is sleeved on the outer wall of the hardware (300); The hardware (300) is provided with a limit groove (301) on its outer wall, a limit ring (202) is provided inside the limit groove (301), a fixing block (303) is provided at the middle end of the hardware (300), connecting blocks (302) are provided at both ends of the fixing block (303), the connecting blocks (302) are clamped with the conductive sphere (103), and the connecting blocks (302) are provided with chamfers (304).

2. A side-extended busbar connector according to claim 1, characterized in that: The side expansion sleeve (100) is in a truncated cone shape, and a plurality of mounting grooves (105) are provided at one end of the side expansion sleeve (100) with a larger radius.

3. The side-extended busbar connector according to claim 1, characterized in that: The fixing groove (104) is in a "concave" shape, and a side female coupling (200) is provided inside the protruding portion of the fixing groove (104).

4. The side-extended busbar connector according to claim 1, characterized in that: The side busbar (200) is in a tubular structure, and both ends of the side busbar (200) are tapered.

5. The side-extended busbar connector according to claim 1, characterized in that: Two protruding rings (201) are provided at the middle end of the outer wall of the side busbar (200), and a grounding wire (400) is connected between the two protruding rings (201).

6. The side-extended busbar connector according to claim 1, characterized in that: The limiting groove (301) is an annular groove and surrounds the outer wall of the hardware (300).

7. The side-extended busbar connector according to claim 1, characterized in that: The connecting block (302) is in a "concave" shape.

8. A side-extended busbar connector according to any one of claims 1 to 7, characterized in that: The side-extended busbar connector meets the requirements of IEC 60502 and is implemented in accordance with GB / T8349 and GB / T11022.

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