CN219436245U - A connection structure of bus duct - Google Patents

Abstract

The utility model discloses a connection structure of a bus duct, relates to the technical field of connection structure of a bus duct, and comprises a bus duct connector and two bus duct bodies. The inside of the bus duct connector is provided with a plurality of cavities. The inner walls of each of the cavities are provided with special-shaped rods, one side of the inner walls of the plurality of cavities is provided with two clamping ports, and the other side of the inner walls of the plurality of cavities is provided with a fixed port, Two chutes are provided on the left and right sides of the inner walls of the plurality of clamping openings, one side of the inner walls of the plurality of chutes is fixedly connected with a spring, and one end of the plurality of springs is fixedly connected with a slider. Extrusion blocks are fixedly connected to the opposite side surfaces of the two corresponding sliders. After the equipment of the utility model is used for a long time, the connection will not be loosened due to various problems such as thermal expansion and contraction or vibration, and high resistance will not be generated, thereby preventing dangerous things such as heat generation at the joint.

Description

A connection structure of bus duct

technical field

The utility model relates to the technical field of connection structures of bus ducts, in particular to a connection structure of bus ducts.

Background technique

The connection structure of the bus duct is a connection device between each section of the bus duct. We call it a bus duct connector. The function of the connector is to connect the upper and lower cascaded bus ducts. The connector will be designed according to the length, size and specifications of the bus duct. For example, the 5000A plug-in bus duct is divided into three-phase four-wire and three-phase five-wire, so the matching bus duct connector must also be five line.

During the installation and use of the busway, it is connected in units of joints. The connector is an important functional part connected to the busway. The connector is also called the busway connector. Its structure is that the guard plate is fastened on the On the insulating guard plate, there is a conductive bar between the insulating guard plate and the insulating guard plate. Between the rows, the two sides of the insulation shield are convex-convex structures, and the insulation shields are convex-convex connections. The conductive row between the two insulation shields is tightly adsorbed on the insulation shield, and the insulation shield passes through the copper on the insulation shield. The sheet is in close contact with the conductive bar on the bus bar.

After a long period of use, the connection structure of the bus duct will become loose due to various problems such as thermal expansion and contraction or vibration. After loosening, a high resistance will be generated, causing the joint to generate heat and other dangerous things.

Utility model content

The purpose of this utility model is to provide a connection structure for bus ducts to solve the problem that the connection structure of bus ducts proposed in the above background technology will appear at the joints due to various problems such as thermal expansion and contraction or vibration after long-term use. The phenomenon of looseness will generate high resistance after loosening, causing the joint to generate heat and other dangerous problems.

In order to achieve the above purpose, the utility model provides the following technical solutions: a connection structure of bus duct, including a bus duct connector and two bus duct bodies, the inside of the bus duct connector is provided with multiple cavities, a plurality The inner walls of the cavities are all provided with special-shaped rods, one side of the inner walls of the plurality of cavities is provided with two clamping ports, and the other side of the inner walls of the plurality of cavities is provided with fixed ports. Two slide grooves are provided on the left and right sides of the inner wall of each clamping port, one side of the inner wall of the multiple slide grooves is fixedly connected with a spring, and one end of the multiple springs is fixedly connected with a slider, Extrusion blocks are fixedly connected to the opposite side surfaces of the corresponding sliders, and fixed rods are fixedly connected to one end of the plurality of special-shaped rods.

Preferably, one side surface of a plurality of said sliders is respectively slidably connected to one side of the corresponding chute inner wall, and one end of two corresponding said extruding blocks is respectively slidably connected to one side of the corresponding special-shaped rod wall , one end of the fixing rod respectively extends to the inner wall of the busway connector through the inner wall of the corresponding fixing port, so that the connection between the various devices in the equipment is tighter, and the stability of the equipment during normal use is ensured.

Preferably, the busway connector includes a fixed screw, the middle of the fixed screw wall is threaded with a conductive row, both sides of the fixed screw wall are threaded with shell plates, and the fixed screw wall The upper side is threadedly connected with a nut.

Preferably, the two bus duct bodies each include a shell, and the inner walls of the two shells are both provided with copper bars.

Preferably, heat dissipation plates are provided on the upper and lower sides of the two housings, and the side surfaces of the plurality of heat dissipation plates respectively penetrate through the side surfaces of the corresponding housings and extend to the inner walls of the corresponding housings respectively. One side surfaces of the corresponding copper bars are in contact, so that the device has a heat dissipation function.

Preferably, the plurality of heat dissipation plates are made of aluminum.

Preferably, the opposite ends of the front and rear surfaces of the two housings are jointly provided with a fixed shell, so as to improve the connection of the equipment and prevent the equipment from loosening.

Technical effect and advantage of the present utility model:

1. By setting the bus duct connector, bus duct body, cavity, special-shaped rod, clamping port, fixed port, chute, spring, slider, extrusion block, and fixed rod, the equipment will not be damaged after long-term use. Due to various problems such as thermal expansion and contraction or vibration, the connection will become loose, and high resistance will not be generated, thereby preventing the joint from generating heat and other dangerous things.

2. By setting sliders, chute, extrusion blocks, special-shaped rods, fixed rods, fixed ports, and busway connectors, the connection between various devices in the equipment is made closer, ensuring the stability of the equipment during normal use.

3. By setting busway connectors, fixing screws, conductor blocks, shell plates, nuts, busway bodies, shells, copper bars, heat dissipation plates, and fixed shells, the normal use of the equipment is guaranteed, and the equipment has a heat dissipation function, so that the equipment The connection is better, and the protection equipment is not easy to loose.

Description of drawings

Fig. 1 is a schematic diagram of a partial front section of the utility model.

Fig. 2 is a schematic diagram of the enlarged structure of part A in Fig. 1 of the present invention.

Fig. 3 is a partial cross-sectional enlarged structural schematic diagram of Fig. 2 of the present invention.

Fig. 4 is a schematic diagram of the overall three-dimensional structure of the utility model.

In the figure: 1. Bus duct connector; 2. Bus duct body; 3. Special-shaped rod; 4. Clamping port; 5. Fixed port; 6. Chute; 7. Spring; 8. Slider; 9. Extrusion Block; 10, fixed rod; 11, fixed screw; 12, conductive row; 13, shell plate; 14, nut; 15, shell; 16, copper bar; 17, cooling plate; 18, fixed shell; 19, cavity .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a bus duct connection structure as shown in Figures 1-4, including a bus duct connector 1 and two bus duct bodies 2, and a plurality of cavities 19 are opened inside the bus duct connector 1, The inner walls of the plurality of cavities 19 are all provided with special-shaped rods 3, and the special-shaped rods 3 are block structures composed of trapezoidal blocks and rectangular blocks. One side of the inner walls of the plurality of cavities 19 is provided with two clamping ports 4 , the other side of one side of the inner walls of multiple cavities 19 is provided with fixed openings 5, and the left and right sides of the inner walls of multiple clamping openings 4 are all provided with two chutes 6, and one side of the inner walls of the plurality of chute 6s is fixedly connected. There are springs 7, one end of a plurality of springs 7 is fixedly connected with a slider 8, the opposite side surfaces of two corresponding sliders 8 are jointly fixedly connected with an extrusion block 9, and one end of a plurality of special-shaped rods 3 is fixedly connected with a Fixed rod 10, after a long time of use, the device will not loosen the connection due to various problems such as thermal expansion and contraction or vibration, and will not generate high resistance, thereby preventing dangerous events such as heat generation at the joint .

As shown in Figure 4, one side surface of a plurality of slide blocks 8 is slidingly connected with one side of the corresponding chute 6 inner wall respectively, and one end of two corresponding extruding blocks 9 is respectively connected with one side of the corresponding special-shaped rod 3 rod wall. side sliding connection, the extrusion block 9 is a cylindrical structure with an arc at one end and a beveled surface at the other end, and one end of the arc can make the copper bar 16 unaffected during disassembly and installation, and one end of the beveled surface can be connected with the The oblique sections of the trapezoidal blocks on the special-shaped rod 3 extrude each other to ensure the normal use of the equipment. One end of the fixed rod 10 extends to the inner wall of the bus duct connector 1 through the inner wall of the corresponding fixed opening 5 respectively. The bus duct connector 1 includes Fixed screw 11, the middle of the fixed screw 11 rod wall is threaded with a conductive row 12, both sides of the fixed screw 11 rod wall are threaded with a shell plate 13, the upper side of the fixed screw 11 rod wall is threaded with a nut 14, two Each busway body 2 includes a housing 15, the inner walls of the two housings 15 are provided with copper bars 16, the upper and lower surfaces of the two housings 15 are provided with cooling plates 17, and one side of the plurality of cooling plates 17 The surfaces run through one side surface of the corresponding housing 15 and respectively extend to the inner wall of the corresponding housing 15 and are in contact with one side surface of the corresponding copper bar 16 respectively. The materials of the plurality of cooling plates 17 are all aluminum, and the two housings The opposite ends of the front and rear surfaces of 15 are jointly provided with a fixed shell 18, which makes the connection between the various devices in the equipment more tightly, ensures the stability of the equipment in normal use, ensures the normal use of the equipment, makes the equipment have a heat dissipation function, and makes the equipment stable. The connection is better, and the protection device is not easy to loosen.

The working principle of the utility model: when using the device, insert the copper bar 16 of the bus duct body 2 into the bus duct connector 1, and the copper bar 16 squeezes the fixing rod 10 to make the fixing rod 10 move in the fixing port 5, thereby driving the special-shaped The rod 3 moves, because one side of the special-shaped rod 3 is a slope, and the extruding block 9 in the clamping port 4 can be squeezed when moving, so that the extruding block 9 can be pushed out of the clamping port 4 to clamp the copper bar 16 At this time, the spring 7 is in a compressed state. When the copper bar 16 is initially clamped, tighten the fixing screw 11 to further clamp the copper bar 16, so that the two busway bodies 2 are connected together;

When the busway connector 1 becomes loose, after the fixing screw 11 is loosened, the compressed spring 7 will continue to push out the extrusion block 9 to clamp the copper bar 16 again, so that the two busway bodies 2 are closely connected. Nothing dangerous will happen.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a connection structure of bus duct, includes bus duct connector (1) and two bus duct bodies (2), its characterized in that: the bus duct connector is characterized in that a plurality of cavities (19) are formed in the bus duct connector (1), the inner walls of the cavities (19) are provided with special-shaped rods (3), two clamping openings (4) are formed in one side of the inner walls of the cavities (19), a plurality of fixing openings (5) are formed in the other side of the inner walls of the cavities (19), two sliding grooves (6) are formed in the left side and the right side of the inner walls of the clamping openings (4), springs (7) are fixedly connected to one side of the inner walls of the sliding grooves (6), sliding blocks (8) are fixedly connected to one ends of the springs (7), extrusion blocks (9) are fixedly connected to the surfaces of the opposite sides of the sliding blocks (8), and fixing rods (10) are fixedly connected to one ends of the special-shaped rods (3).

2. The connection structure of a bus duct according to claim 1, wherein: one side surfaces of the sliding blocks (8) are respectively connected with one side of the inner wall of the corresponding sliding groove (6) in a sliding mode, one ends of the two corresponding extrusion blocks (9) are respectively connected with one side of the rod wall of the corresponding special-shaped rod (3) in a sliding mode, and one ends of the fixing rods (10) are respectively extended to the inner wall of the bus duct connector (1) through the inner wall of the corresponding fixing opening (5).

3. The connection structure of a bus duct according to claim 1, wherein: the bus duct connector (1) comprises a fixing screw (11), a conductive bar (12) is connected to the middle of the rod wall of the fixing screw (11) in a threaded mode, a shell plate (13) is connected to two sides of the rod wall of the fixing screw (11) in a threaded mode, and a nut (14) is connected to the upper side of the rod wall of the fixing screw (11) in a threaded mode.

4. The connection structure of a bus duct according to claim 1, wherein: both bus duct bodies (2) comprise a shell (15), and copper bars (16) are arranged on the inner walls of the two shells (15).

5. The bus duct connection structure of claim 4, wherein: the upper side surface and the lower side surface of each shell (15) are respectively provided with a heat radiation plate (17), and one side surface of each heat radiation plate (17) penetrates through one side surface of each corresponding shell (15) and extends to the inner wall of each corresponding shell (15) to be in contact with one side surface of each corresponding copper bar (16).

6. The bus duct connection structure of claim 5, wherein: the plurality of radiating plates (17) are all made of aluminum.

7. The bus duct connection structure of claim 4, wherein: the opposite ends of the front and rear surfaces of the two shells (15) are both provided with a fixed shell (18) in common.