Tightly-attached bus duct busbar

Abstract

The utility model is applicable to the field of power transmission, and provides a tightly-attached bus duct busbar, which comprises a bus duct, a plurality of busbars arranged in the bus duct and a connecting assembly clamped at the end part of the bus duct, two side plates are fixedly arranged at the two ends of the bus duct, each busbar comprises a copper bar and an insulating skin, and the copper bars and the insulating skin are fixedly arranged on the bus duct. The insulating leather sleeves the outer sides of the copper bars, the connecting assembly comprises two outer clamping plates, a plurality of insulating plates and a plurality of copper plates, the plurality of copper plates are extruded and clamped at the end parts of the copper bars by matching connecting bolts with nuts, the copper bars at the end parts of the two busbars are connected, and the copper plates are separated by the matched insulating plates, so that each copper bar is independently connected; and meanwhile, the side plates are extruded by the arranged outer clamping plates, so that the connecting assembly and the busbar are extruded and fixed, the contact area of the surfaces of the contact copper plate and the copper bar is increased, and the contact resistance is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power transmission, especially relates to a bus duct busbar that is close. BACKGROUND

[0002] Bus ducts and busbars are important components in electrical systems, typically used for power distribution and connection. Their main role is to deliver electrical power from a power source to various electrical devices or loads. Bus ducts are typically new conductors formed by installing non-ene insulation supports into metal ducts using copper or aluminum as conductors.

[0003] The existing bus duct usually contains multiple busbars for multi-phase power supply. In the connection of multiple bus duct busbars, a connecting plate is usually used in combination with a bolt for fixed connection. However, this connection method is relatively cumbersome and requires consideration of the insulation between multiple busbars, making installation difficult. SUMMARY

[0004] The purpose of the utility model embodiment is to provide a bus duct busbar that is close, aiming to solve the problems raised in the background art.

[0005] The utility model embodiment is implemented as follows: a bus duct busbar that is close, comprising a bus duct, multiple busbars installed on the bus duct, and a connecting assembly clamped on the end of the bus duct. Both ends of the bus duct are fixedly installed with two side plates. The busbar comprises a copper bar and an insulating skin. The insulating skin is sleeved on the outside of the copper bar. The connecting assembly comprises two outer clamping plates, multiple insulating plates, and multiple copper plates. The two outer clamping plates are respectively clamped on the outside of the two side plates. The copper plates are respectively clamped on both sides of the end of the multiple copper bars. The insulating plates are clamped between the side plates and the copper plates and between the copper plates. The copper plate side face is fixedly provided with a mounting hole. An insulating sleeve is movably installed in the mounting hole. The insulating sleeve is symmetrically arranged on the side face of the two copper plates. The outer clamping plate and the insulating plate are respectively provided with a connecting hole one and a connecting hole two on the side face corresponding to the insulating sleeve. A connecting bolt is movably installed in the connecting hole one. The connecting bolt movably penetrates the connecting hole one, the connecting hole two, and the insulating sleeve. A nut is fixedly installed at one end of the connecting bolt.

[0006] As a further scheme of the utility model: the insulating plate is made of elastic insulating material, and the insulating sleeve is made of hard insulating material.

[0007] As a further scheme of the utility model: the inner diameter of the mounting hole is greater than the inner diameters of the connecting hole one and the connecting hole two. The insulating sleeve is of a hollow structure, and the inner diameter of the insulating sleeve is the same as that of the connecting hole one and the connecting hole two.

[0008] As a further scheme of the utility model: the insulating sleeve one side fixedly provided with a clamping groove, spring one end is movably clamped in the clamping groove, the other end of the spring is movably clamped in another clamping groove.

[0009] As a further scheme of the utility model: the copper bar side fixedly provided with a plurality of limiting grooves, the copper plate corresponding limiting groove is fixedly provided with a limiting strip on the side, and the limiting strip and the limiting groove are movably clamped.

[0010] As a further scheme of the utility model: the insulating sleeve corresponding limiting strip is fixedly provided with a positioning groove on the side, and the positioning groove and the limiting strip are movably clamped.

[0011] The utility model has the advantages of:

[0012] 1. The utility model discloses a bus duct busbar provided with a plurality of copper plates, a copper bar, a connecting assembly and an insulating plate, the connecting assembly is connected between the copper bar and the copper plate, and the insulating plate is arranged between the copper plates.

[0013] 2. The utility model discloses a bus duct busbar provided with an insulating sleeve, the insulating sleeve is movably clamped in the mounting hole, and the copper plate is insulated from the connecting bolt.

[0014] 3. The utility model discloses a bus duct busbar provided with a spring, the spring is movably clamped in the mounting hole, and the insulating sleeve is prevented from loosening and falling off.

[0015] 4. The utility model discloses a bus duct busbar provided with a limiting groove, the limiting groove is movably clamped in the limiting strip, the contact area is increased, the contact resistance is further reduced, the connecting assembly is limited, the installation angle and the fixing effect are ensured, and the limiting groove can also increase the surface area of the copper bar and improve the heat dissipation effect.

[0016] 5. The utility model discloses a bus duct busbar provided with a positioning groove, the positioning groove is movably clamped in the limiting strip, the installation of the positioning groove is facilitated, the insulating sleeve is prevented from rotating and loosening and falling off by the extrusion effect of the spring. DRAWINGS

[0017] Figure 1 A perspective view of the utility model is provided.

[0018] Figure 2 A three-dimensional structure diagram of the bus duct busbar bus duct and busbar provided by the utility model embodiment is provided;

[0019] Figure 3 A sectional view of the bus duct busbar connecting assembly provided by the utility model embodiment is provided;

[0020] Figure 4 A partial structure diagram of the bus duct busbar insulation sleeve provided by the utility model embodiment is provided.

[0021] In the drawings: bus duct 1, side plate 11, busbar 2, copper bar 21, limiting groove 211, insulation skin 22, connecting assembly 3, outer clamping plate 31, connecting hole one 311, insulation plate 32, connecting hole two 321, copper plate 33, mounting hole 331, limiting strip 332, connecting bolt 34, nut 35, insulation sleeve 36, clamping groove 361, positioning groove 362, spring 37. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] The specific implementation of the utility model is described in detail below by combining with specific embodiments.

[0024] As Figures 1 to 4As shown in the figure, a bus duct busbar provided by an embodiment of the utility model, including bus duct 1, install in bus duct 1's multiple busbar 2 and the connecting assembly 3 of carding in bus duct 1 end, bus duct 1 both ends are fixedly installed with two side plates 11, busbar 2 includes copper bar 21 and insulating skin 22, insulating skin 22 is sleeved in copper bar 21 outside, connecting assembly 3 includes two outer clamping plate 31, multiple insulating plate 32 and multiple copper plate 33, two outer clamping plate 31 is clamped in two side plates 11 outside respectively, copper plate 33 is clamped in multiple copper bar 21 end both sides respectively, insulating plate 32 is clamped between side plate 11 and copper plate 33 and between copper plate 33 and copper plate 33, the side of copper plate 33 is fixed and is provided with mounting hole 331, the mounting hole 331 is movably installed with insulating sleeve 36, insulating sleeve 36 is symmetrically arranged on the side of two copper plate 33, outer clamping plate 31 and insulating plate 32 are all correspondingly provided with connecting hole one 311 and connecting hole two 321 on the side of insulating sleeve 36, connecting bolt 34 is movably installed in connecting hole one 311, connecting bolt 34 is movably penetrated connecting hole one 311, connecting hole two 321 and insulating sleeve 36, one end of connecting bolt 34 is fixedly installed with nut 35.

[0025] In an embodiment of the utility model, through be provided with connecting bolt 34 cooperation nut 35 with multiple copper plate 33 extrusion carding in copper bar 21 end, connect with the copper bar 21 of two busbar 2 end, cooperate with the setting insulating plate 32 and separate copper plate 33, so that every copper bar 21 is connected independently, avoid short circuit, simultaneously, through the extrusion of the setting outer clamping plate 31 side plate 11, thereby extrusion fixed connecting assembly 3 and busbar 2, improve the contact area of contact copper plate 33 and copper bar 21 surface, thereby reduce contact resistance.

[0026] As another embodiment of the utility model, the insulating plate 32 is made of elastic insulating material, and the insulating sleeve 36 is made of hard insulating material.

[0027] In an embodiment of the utility model, the insulating plate 32 is provided to play a certain compensation role, thereby facilitating the extrusion and fixation of the copper bar 21 and the copper plate 33. Meanwhile, the insulating sleeve 36 is clamped in the mounting hole 331 to insulate the copper plate 33 from the connecting bolt 34, thereby preventing short circuit.

[0028] As shown in the figure, Figure 3 As another embodiment of the utility model, the inner diameter of the mounting hole 331 is larger than the inner diameters of the connecting hole one 311 and the connecting hole two 321, the insulating sleeve 36 is provided in a hollow structure, and the inner diameter of the insulating sleeve 36 is the same as the inner diameters of the connecting hole one 311 and the connecting hole two 321.

[0029] Specific, the insulating sleeve 36 one side fixedly provided with a clamping groove 361, the spring 37 one end is movably clamped in the clamping groove 361, the spring 37 the other end is movably clamped in another clamping groove 361.

[0030] In an embodiment of the utility model, the spring 37 is provided with elastic force, the insulating sleeve 36 is extruded in the mounting hole 331, and the insulating sleeve 36 is prevented from falling off.

[0031] As Figure 2 And Figure 4 As another embodiment of the utility model, the copper bar 21 side surface is fixedly provided with a plurality of limiting grooves 211, the copper plate 33 is fixedly provided with a limiting strip 332 on the side surface corresponding to the limiting groove 211, and the limiting strip 332 is movably clamped with the limiting groove 211.

[0032] In an embodiment of the utility model, the limiting groove 211 is clamped with the limiting strip 332, the contact area is improved, the contact resistance is further reduced, the connecting assembly 3 is limited, the installation angle and the fixing effect are guaranteed, and simultaneously, the limiting groove 211 can also increase the surface area of the copper bar 21, and the heat dissipation effect is improved.

[0033] As Figure 3 And Figure 4 As another embodiment of the utility model, the insulating sleeve 36 is fixedly provided with a positioning groove 362 on the side surface corresponding to the limiting strip 332, and the positioning groove 362 is movably clamped with the limiting strip 332.

[0034] In an embodiment of the utility model, the positioning groove 362 is clamped with the limiting strip 332, the installation of the positioning groove 362 is facilitated, the extrusion effect of the spring 37 is matched, the insulating sleeve 36 is prevented from rotating, and the insulating sleeve 36 is further prevented from falling off.

[0035] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0036] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0037] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the restriction of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0038] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0039] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment contains only one independent technical scheme, and the description mode of the specification is only for the sake of clarity, the skilled in the art should consider the specification as a whole, and the technical scheme in each embodiment can also be appropriately combined to form other embodiments that the skilled in the art can understand.

Claims

1. A compactly fitted bus duct, comprising a bus duct (1), a plurality of bus bars (2) installed in the bus duct (1), and a connecting assembly (3) clamped to the end of the bus duct (1), characterized in that, The bus duct (1) is fixedly installed with two side plates (11) at both ends, the bus bar (2) comprises a copper bar (21) and an insulating skin (22), the insulating skin (22) is sleeved outside the copper bar (21), the connecting assembly (3) comprises two outer clamping plates (31), a plurality of insulating plates (32) and a plurality of copper plates (33), the two outer clamping plates (31) are clamped outside the two side plates (11) respectively, the copper plates (33) are clamped on both sides of the ends of the plurality of copper bars (21) respectively, the insulating plates (32) are clamped between the side plates (11) and the copper plates (33) and between the copper plates (33), the copper plates (33) are fixedly provided with mounting holes (331) in the side surfaces, the mounting holes (331) are movably provided with insulating sleeves (36), the insulating sleeves (36) are symmetrically arranged on the side surfaces of the two copper plates (33), the outer clamping plates (31) and the insulating plates (32) are provided with connecting holes one (311) and connecting holes two (321) in the side surfaces corresponding to the insulating sleeves (36), the connecting holes one (311) are movably provided with connecting bolts (34), the connecting bolts (34) movably penetrate the connecting holes one (311), the connecting holes two (321) and the insulating sleeves (36), and one end of the connecting bolts (34) is fixedly provided with a nut (35).

2. The bus duct of claim 1, wherein, The insulating plate (32) is made of elastic insulating material, and the insulating sleeve (36) is made of hard insulating material.

3. The bus duct of claim 1, wherein, The inner diameter of the mounting hole (331) is greater than that of the connecting hole one (311) and the connecting hole two (321), the insulating sleeve (36) is provided with a hollow structure, and the inner diameter of the insulating sleeve (36) is the same as that of the connecting hole one (311) and the connecting hole two (321).

4. The bus duct of claim 3, wherein, One side of the insulating sleeve (36) is fixedly provided with a clamping groove (361), one end of a spring (37) is movably clamped in the clamping groove (361), and the other end of the spring (37) is movably clamped in another clamping groove (361).

5. The bus duct of claim 2, wherein, A plurality of limiting grooves (211) are fixedly arranged in the side surface of the copper bar (21), and a limiting strip (332) is fixedly arranged in the side surface of the copper plate (33) corresponding to the limiting groove (211), and the limiting strip (332) is movably clamped with the limiting groove (211).

6. The tightly fitted bus duct of claim 5, wherein, A positioning groove (362) is fixedly arranged in the side surface of the insulating sleeve (36) corresponding to the limiting strip (332), and the positioning groove (362) is movably clamped with the limiting strip (332).

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