Bus duct connecting device
The busbar and connector are connected by limiting screws and limiting nuts and protected by heat shrink tubing, which solves the problem of false connection caused by thermal expansion and contraction and metal fatigue in the busbar connection device and achieves a stable and reliable connection.
Patent Information
- Application Number
- CN202421982915.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-08-16
AI Technical Summary
Due to thermal expansion and contraction and metal fatigue, traditional busbar connection devices result in loose connections between the metal clips and the busbar, which can easily lead to problems such as plug-in damage, poor contact, busbar burnout, and cable breakage.
Limit screws and limit nuts are used to connect the busbar and connector, combined with heat shrink tubing for protection to ensure the stability and safety of the connection.
It effectively avoids the problem of false connection caused by bus duct connection deteriorating over time, improves the reliability and safety of the connection, and reduces the danger in daily use.
Smart Images

Figure CN223451574U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power system technical field especially relates to a bus duct connecting device. BACKGROUND
[0002] The bus duct is a kind of distribution electrical equipment for power system, mainly with copper or aluminum as conductor, with non-alkene insulation support, then be equipped into metal groove and form new conductor.Its main function is to distribute larger power, especially in indoor low-voltage power transmission trunk line engineering project, has more and more replaced wire cable.The bus duct is widely used in industrial and mining enterprises, commercial buildings, residential areas and other places, for the construction and management of power distribution system.
[0003] Traditional bus duct connecting device is directly clamped on busbar by quick-connection metal socket, and the fixing between metal socket and busbar relies on the elastic force and friction force between metal, due to the influence of thermal expansion and cold shrink, metal fatigue and other effects, the virtual connection between metal socket and busbar will slowly appear with time, which can easily cause plug damage, poor contact, busbar burnout, cable rupture, fire and other problems, therefore, we propose a bus duct connecting device to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a bus duct connecting device.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] A bus duct connecting device, comprising a bus duct assembly, a connecting assembly is in contact with the surface of the bus duct assembly, a limiting mechanism is inserted between the bus duct assembly and the connecting assembly, and a second heat shrink sleeve is wrapped on the upper side of the connecting assembly.
[0007] Preferably, the bus duct assembly comprises a busbar, and the two ends of the busbar are wrapped with a first heat shrink sleeve, so that the two ends of the busbar can be conveniently wrapped.
[0008] Preferably, the connecting assembly comprises a connecting head, the side surface of the busbar is in contact with the connecting head at the center position, and the connecting head is fixedly connected with a connecting tooth on the upper side, so that the connecting wire and the busbar can be electrically connected through the connecting head and the connecting tooth.
[0009] Preferably, the limiting mechanism comprises a limiting screw, the limiting screw is inserted into the interior of the busbar and the connecting head, and the outer end of the limiting screw is threadedly sleeved with a limiting nut, so that the limiting screw can be conveniently installed through the limiting nut.
[0010] Preferably, the busbar and the limiting screw are internally provided with two screw holes matched with the limiting screw, and the diameter of the two screw holes is smaller than the surface diameter of the limiting nut, so that the limiting screw can be conveniently limited in the screw hole by the limiting nut.
[0011] Preferably, the two ends of the busbar are wrapped with the first heat shrink sleeve, and the distance between the two groups of first heat shrink sleeves is the same as the surface length of the connecting head, so that the busbar and the connecting head can be conveniently connected.
[0012] Preferably, the cross section of the connecting head and the connecting tooth is combined into a T shape, and the upper end of the connecting tooth is provided with a through hole, so that the connecting head and the connecting tooth can be conveniently combined into a T shape to facilitate the installation of the connecting wire.
[0013] Compared with the prior art, the busbar slot connecting device has the following beneficial effects:
[0014] The device can connect the busbar and the connecting head by the limiting screw passing through the connecting head and the busbar, and the limiting nut can be threadedly sleeved on the surface of the limiting screw, so that the busbar and the connecting head can be conveniently connected, thereby avoiding the virtual connection of the two, and the installation effect will not deteriorate over time, and the excess part of the surface of the busbar and the connecting tooth can be wrapped and protected by the second heat shrink sleeve and the first heat shrink sleeve, thereby conveniently reducing the danger of the busbar and the connecting tooth in daily use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic view of a busbar slot connecting device proposed by the utility model;
[0016] Figure 2 It is a three-dimensional back view schematic view of a busbar slot connecting device proposed by the utility model;
[0017] Figure 3 It is a busbar and connecting head structure three-dimensional explosion schematic view in Figure 1
[0018] It is a second heat shrink sleeve structure three-dimensional cross-sectional schematic view in Figure 4 Figure 1
[0019] In the figure: 1, busbar slot assembly; 11, busbar; 12, first heat shrink sleeve;
[0020] 2, limiting mechanism; 21, limiting screw; 22, limiting nut;
[0021] 3, connecting assembly; 31, connecting head; 32, connecting tooth;
[0022] 4, second heat shrink sleeve. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0024] With reference to Figures 1-4 A bus duct connecting device, comprising a bus duct assembly 1, the surface of the bus duct assembly 1 is in contact with a connecting assembly 3, a limiting mechanism 2 is arranged between the bus duct assembly 1 and the connecting assembly 3, the upper part of the connecting assembly 3 is wrapped with a second heat shrink sleeve 4, and the second heat shrink sleeve 4 can cover and protect the excess surface of the connecting assembly 3.
[0025] Further, with reference to Figure 2 and Figure 3 It can be known that the bus duct assembly 1 comprises a bus bar 11, and the two ends of the bus bar 11 are wrapped with a first heat shrink sleeve 12, and the first heat shrink sleeve 12 wrapped on the two ends of the bus bar 11 can wrap and protect the excess part of the surface of the two ends of the bus bar 11.
[0026] Further, with reference to Figure 2 and Figure 3 It can be known that the connecting assembly 3 comprises a connecting head 31, the side surface of the bus bar 11 is in contact with the connecting head 31, and the upper part of the connecting head 31 is fixedly connected with a connecting tooth 32, and the connecting head 31 and the connecting tooth 32 can facilitate the installation of the connecting wire.
[0027] Further, with reference to Figure 2 and Figure 3 It can be known that the limiting mechanism 2 comprises a limiting screw 21, the limiting screw 21 is arranged in the bus bar 11 and the connecting head 31, and the outer end of the limiting screw 21 is threadedly sleeved with a limiting nut 22, and the limiting nut 22 is threadedly sleeved on the surface of the limiting screw 21, which can facilitate the limiting installation of the bus bar 11 and the connecting head 31.
[0028] Further, with reference to Figure 4 It can be known that the bus bar 11 and the limiting screw 21 are both provided with two screw holes matched with the limiting screw 21 in the inside, and the diameters of the two screw holes are smaller than the surface diameter of the limiting nut 22, and the two screw holes arranged in the inside of the bus bar 11 and the limiting screw 21 can facilitate the installation of the limiting screw 21.
[0029] Further, with reference to Figure 2 and Figure 3It can be known that the busbar 11 is wrapped with the first heat shrink sleeve 12 at both ends, the interval of the two groups of first heat shrink sleeves 12 is same as the surface length of the connecting head 31, and through the same interval of the connecting head 31 and the two groups of first heat shrink sleeves 12, the busbar 11 can be conveniently abutted with the connecting head 31.
[0030] Further, referring to Figure 3 and Figure 4 It can be known that the connecting head 31 and the connecting tooth 32 are combined into T-shaped in cross section, the upper end of the connecting tooth 32 is provided with a through hole, and through the through hole provided at the upper end of the connecting tooth 32, the connecting wire can be conveniently installed.
[0031] Working principle: when the busbar slot assembly 1 is used, according to the accompanying Figure 1 , the accompanying Figure 2 , the accompanying Figure 3 and the accompanying Figure 4 , the first heat shrink sleeve 12 is wrapped at both ends of the busbar 11, the connecting head 31 is attached to the surface of the busbar 11 at this time, the limiting screw 21 is passed between the busbar 11 and the connecting head 31, the limiting nut 22 is sleeved on the surface of the limiting screw 21, the busbar 11 and the connecting head 31 are connected at this time, the second heat shrink sleeve 4 is wrapped on the surface of the connecting tooth 32, and the connecting tooth 32 can be connected to the connecting wire.
[0032] The above is all working principles of the utility model.
[0033] In the utility model, the installation mode, the connection mode or the setting mode of all the components described above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technologies, as long as the beneficial effects can be achieved, and therefore no more description is made.
[0034] The above embodiment is a preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination and simplification without departing from the spirit and principle of the utility model should be equivalent replacement mode, and all are included in the protection scope of the utility model.
[0035] In the utility model, in the case that opposite is not made, the orientation words such as " up and down, left and right, front and back, inside and outside and vertical and horizontal " contained in the term only represent the orientation of the term in the normal use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term, at the same time, the serial nouns such as " first ", " second " and " third " do not represent the specific quantity and order, and are only used for distinguishing the name, and moreover, the term " includes ", " contains " or any other variant thereof is intended to cover non-exclusive containing, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in such process, method, article or equipment.
Claims
1. A bus duct connection device, comprising a bus duct assembly (1), characterized in that: The surface of the bus duct assembly (1) is in contact with a connection assembly (3), a limiting mechanism (2) is inserted between the bus duct assembly (1) and the connection assembly (3), and a second heat shrink tubing (4) is wrapped above the connection assembly (3).
2. A bus duct connection device according to claim 1, characterized in that: The bus duct assembly (1) comprises a bus bar (11), both ends of the bus bar (11) being wrapped with a first heat shrink tubing (12).
3. A bus duct connection device according to claim 2, characterized in that: The connection assembly (3) comprises a connection head (31), the center position of the side of the busbar (11) is in contact with the connection head (31), and a connection tooth (32) is fixedly connected above the connection head (31).
4. A bus duct connection device according to claim 3, characterized in that: The limiting mechanism (2) comprises a limiting screw (21), the limiting screw (21) is inserted into the interior of the busbar (11) and the connector (31), and the outer end of the limiting screw (21) is threadedly sleeved with a limiting nut (22).
5. A bus duct connection device according to claim 4, characterized in that: The busbar (11) and the limiting screw (21) are both provided with two screw holes adapted to the limiting screw (21), and the diameters of the two screw holes are smaller than the surface diameter of the limiting nut (22).
6. A bus duct connection device according to claim 2, characterized in that: The distance between the two groups of the first heat shrink tubing (12) is the same as the surface length of the connector (31).
7. A bus duct connection device according to claim 3, characterized in that: The cross sections of the connecting head (31) and the connecting teeth (32) are combined into a T shape, and a through hole is provided at the upper end of the connecting teeth (32).