Simple rail type bus duct

Abstract

The utility model relates to a simple track type bus duct, which comprises a shell, insulating sheaths and plug pieces, two groups of clamping strips are arranged on the inner walls of the two sides of the shell, each group of clamping strips are symmetrically arranged and form clamping grooves, one insulating sheath is embedded in each clamping groove, and a main busbar is embedded in each insulating sheath; the tail ends of the two ends of the insulating sheath are embedded with plug pieces used for limiting the main busbar, and the plug pieces are connected with the insulating sheath through buckles; concave grooves are integrally formed in the upper end and the lower end of the outer walls of the two sides of the shell respectively, the concave grooves extend to the two ends of the shell, packaging flat plates are arranged at the two ends of the shell, the peripheries of the packaging flat plates are matched with the concave grooves through fasteners to achieve connection and fixation with the shell, plug parts are adopted to replace original end plastic parts, meanwhile, small conventional packaging flat plates are added, and the packaging effect is good. The bus duct structure is used for blocking the insulating sheath, the main busbar and the plug piece, the cost of a single piece is low, and compared with an existing bus duct structure, the manufacturing cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bus duct technical field, especially in simple type rail type bus duct. BACKGROUND

[0002] The bus system is the power industry transmission and transformation equipment high -efficient current distribution device of conveying, and the bus duct product is all by the phase line conductor built -in bus shell constitutes. The existing rail type bus duct such as patent number: CN201910238614.6, the safety type energy -saving bus duct of one kind that the bus duct shell sets up side plate gap at its end portion and is used to install bus protection piece, and each phase row is inserted into bus protection piece through bus outlet hole, and the phase row is through the bus side limiting block effect realization transverse limiting, and the phase row is through the bus top limiting block effect realization axial limiting, to realize the positioning to bus. The bus duct shell structure contains multiple parts, and the processing is complex, and the cost is high, so in order to increase product competitiveness, now develop a simple type rail type bus duct. SUMMARY

[0003] The utility model discloses to the above -mentioned problem, discloses a simple type rail type bus duct, this bus duct has the characteristics of simple installation, low cost, solves the problem of bus duct structure complex, high production cost in the prior art.

[0004] The specific technical scheme is as follows:

[0005] A simple type rail type bus duct, including shell, insulating sheath and plug piece, the both sides inner walls of shell are equipped with two groups of clamping strips, each group of clamping strips is symmetrically arranged and forms a clamping groove, one insulating sheath is horizontally embedded in each clamping groove, the both ends of insulating sheath are flush with the both ends of shell, and a main busbar is embedded in the insulating sheath, plug pieces for limiting the main busbar are embedded in the both ends of insulating sheath, and the plug pieces are connected with the insulating sheath by buckles, recessed grooves are integrally formed in the upper and lower ends of the outer walls of the both sides of shell, the recessed grooves extend to the both ends of shell, and packaging plates are arranged at the both ends of shell, the packaging plates are connected and fixed with shell by fasteners cooperating with recessed grooves to prevent the internal components of bus duct from moving during transportation.

[0006] Further, a recess is arranged on the inner wall of the top end of the shell, and a PE busbar is horizontally embedded in the recess, and the both ends of the PE busbar are flush with the both ends of the shell.

[0007] Further, screw grooves are arranged at the both ends of the top of the shell, and fastening screws are embedded in the screw grooves, the lower end of the fastening screw penetrates the PE busbar and is connected with a press-in nut to position the PE busbar.

[0008] Further, two ends of the insulating sheath are respectively provided with a press rivet screw which is horizontally arranged through the two ends, and the press rivet screw is embedded with the hole of the two ends of the main busbar to realize the positioning of the main busbar.

[0009] Further, one end of the plug element is arranged in abutment with the main busbar, one side surface of the plug element is provided with a buckle head, and a positioning hole matched with the buckle head is formed on the insulating sheath, and the plug element and the insulating sheath are fixed by embedding the buckle head and the positioning hole.

[0010] Further, the plug element is made of plastic material.

[0011] Further, the concave groove is in a circular arc structure.

[0012] The beneficial effects of the utility model are shown in:

[0013] (1) the plug element made of injection molding material is used to replace the original end plastic part in the utility model, and a small conventional packaging plate is additionally arranged, which is used to block the insulating sheath, the main busbar and the plug element after installation, the cost of single piece is low, and compared with the existing bus duct structure, the manufacturing cost is effectively reduced.

[0014] (2) compared with the original bus duct shell, the utility model reduces the stamping process of four end notches, and saves the processing time and labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a bottom structure schematic view of the utility model.

[0017] Figure 3 It is a top view of the utility model.

[0018] Figure 4 It is a front view of the utility model.

[0019] Figure 5 It is a connection structure sectional view between the plug element and the insulating sheath in the utility model.

[0020] Mark explanation: shell 1, clamping strip 11, clamping groove 12, embedding groove 13, fastening screw 14, press rivet nut 15, concave groove 16, insulating sheath 2, press rivet screw 21, positioning hole 22, plug element 3, buckle head 31, main busbar 4, PE busbar 5. DETAILED DESCRIPTION

[0021] In order to make the technical scheme of the utility model more clear and explicit, the utility model will be further described below in combination with the drawings, and any scheme obtained by equivalent replacement and conventional reasoning of the technical features of the technical scheme of the utility model falls within the protection scope of the utility model.

[0022] In the description of the utility model creation, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model creation and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] Please refer to the accompanying drawings Figures 1-5 The embodiment provides a simple track type bus duct, which comprises a shell 1, an insulation sheath 2 and a plug piece 3, two groups of symmetrical clamping strips 11 are arranged on the inner walls of the two sides of the shell 1, the clamping strips 11 in each group are arranged in an upper-lower symmetrical mode and form clamping grooves 12, one insulation sheath 2 is horizontally embedded in each clamping groove 12, the two ends of the insulation sheath 2 are flush with the two ends of the shell 1, the upper and lower ends of the insulation sheath 2 are flat plate structures and are embedded into the clamping grooves 12, an insertion groove is arranged on one side of the insulation sheath 2, a main busbar 4 is embedded in the insertion groove, plug pieces 3 for limiting the main busbar 4 are embedded at the two ends of the insulation sheath 2, the plug pieces 3 are flat plate structures, the plug pieces 3 and the insulation sheath 2 are connected through buckles, and one end of the plug piece 3 is flush with the end face of the shell 1.

[0024] Recessed grooves 16 are integrally formed at the upper and lower ends of the outer walls of the two sides of the shell 1, the recessed grooves 16 extend to the two ends of the shell 1, the cross section of the recessed groove 16 is in a circular arc structure, so that the screw can be embedded and fixed, and packaging flat plates (not shown) for blocking the insulation sheath 2, the main busbar 4 and the plug piece 3 are arranged at the two ends of the shell 1. Before transportation, the packaging flat plates are fixed around the recessed grooves 16 at the end portions of the shell 1 through fasteners, so that the internal components of the bus duct are prevented from moving during transportation, and the packaging flat plates are removed before being assembled with another bus duct at the installation site.

[0025] Compression rivet screws 21 are horizontally arranged at the two ends of the insulation sheath 2, the compression rivet screws 21 extend to the middle part of the shell 1, the compression rivet screws 21 are embedded in the holes at the two ends of the main busbar 4 to position the main busbar 4.

[0026] In this embodiment, a groove 13 is provided on the inner wall of the top of the housing 1, and a PE busbar 5 is horizontally embedded in the groove 13. The two ends of the PE busbar 5 are flush with the two ends of the housing 1. Screw slots are provided at both ends of the top of the housing 1, and fastening screws 14 are embedded in the screw slots. The lower end of the fastening screw 14 passes through a pre-drilled hole at one end of the PE busbar 5 and is positioned by cooperating with a rivet nut 15.

[0027] In this embodiment, one end of the plug 3 is fitted to the main busbar 4, and a snap-fit ​​head 31 is provided on one side surface of the plug 3. A positioning hole 22 is provided on the insulating sleeve 2 to cooperate with the snap-fit ​​head 31. The snap-fit ​​head 31 engages with the positioning hole 22, thus fixing the plug 3 to the insulating sleeve 2, preventing the plug 3 from sliding out of its end, and making the insulating sleeve 2, main busbar 4, and plug 3 form a whole. In this embodiment, the plug 3 is made of nylon plastic, and the thickness of the plug 3 is smaller than the thickness of the main busbar 4, resulting in a gap between the plug 3 and the slot of the insulating sleeve 2, facilitating the installation and removal of the plug 3.

[0028] The above description is merely a preferred embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A simple rail type bus duct, characterized by, The utility model provides a kind of main busbar fixing device, including shell (1), insulating sheath (2) and plug piece (3), the shell (1) both sides inner wall are equipped with two groups of clamping strips (11), each group of clamping strips (11) is symmetrically arranged and forms clamping groove (12), one insulating sheath (2) is respectively embedded in each described clamping groove (12) transversely, the main busbar (4) is embedded in the insulating sheath (2);The both ends of the insulating sheath (2) are embedded and set plug piece (3) for limiting main busbar (4), the plug piece (3) is connected between the insulating sheath (2) by buckle;The upper and lower ends of the outer wall of the shell (1) both sides are integrally formed with recessed groove (16), the recessed groove (16) extends to both ends of shell (1), and the both ends of shell (1) are provided with encapsulation flat plate, and the encapsulation flat plate is connected and fixed with shell (1) by fastener cooperation recessed groove (16) around.

2. The simple rail bus duct according to claim 1, wherein The inner wall of the top of the shell (1) is provided with an embedded groove (13), and the PE busbar (5) is horizontally embedded in the embedded groove (13).

3. The simple rail bus duct according to claim 2, wherein The top of the shell (1) is provided with a screw groove, and the fastening screw (14) is embedded in the screw groove, the lower end of the fastening screw (14) penetrates the PE busbar (5) and is fixed by cooperating with the pressure rivet nut (15).

4. The simple rail bus duct according to claim 1, wherein The both ends of the insulating sheath (2) are respectively provided with pressure rivet screws (21), and the pressure rivet screws (21) are embedded in the holes of the both ends of the main busbar (4) to fix the main busbar (4).

5. The simple rail bus duct according to claim 1, wherein One end of the plug piece (3) is attached to the main busbar (4), and the plug piece (3) is provided with a buckle head (31) on one side surface, and the insulating sheath (2) is provided with a positioning hole (22) matched with the buckle head (31), the plug piece (3) and the insulating sheath (2) are fixed by embedding the buckle head (31) and the positioning hole (22).

6. The simple rail bus duct according to claim 5, wherein The plug piece (3) is made of plastic.

7. The simple rail bus duct according to claim 1, wherein The cross section of the recessed groove (16) is arc-shaped structure.

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