Busbar socket device

Abstract

The utility model relates to the technical field of bus bar connection, and discloses a bus bar socket device, which comprises a plastic shell switch, the connecting plate is fixedly arranged on the inner bottom surface of the connecting groove; an adapter bus bar is arranged below the plastic shell switch, a bus bar socket is arranged on the side face of the plastic shell switch, and the top end of the bus bar socket extends into the connecting groove. The bus bar socket is electrically connected with the connecting plate through connecting bolts and comprises a top plate, side plates are arranged on the left side and the right side of the top plate, and the close faces of the top ends of the two side plates are fixedly connected with the two side faces of the top plate. Through the provided bus bar socket, after the bus bar expander is installed in the shell, the safety is improved; the internal space of the distribution box does not need to be increased, the size of the distribution box can be miniaturized, the cost can be reduced, and when the bus bar socket is installed on the adapter connecting bar, only the bus bar socket on the adapter bus bar is connected with the plastic shell switch, so that the safety and the convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar connection, in particular to a busbar socket device. Background Art

[0002] Busbar is the name of the conductive material on the power distribution equipment. It is made of flat copper (equivalent to electric wire) without an insulating layer. The outside is painted with color paint indicating the phase sequence or covered with sleeves of corresponding colors. It is mainly used to connect indoor transformers to distribution cabinets, then to the main power switch and then to each sub-switch. There are many kinds of power equipment, and many power busbar socket devices need to be connected through the busbar.

[0003] The existing busbar sockets are arranged in the distribution box, but the distance between the two adjacent busbars is very large; and the addition of a large amount of copper material requires the simultaneous increase of the internal space of the distribution box, resulting in an increase in the volume and cost of the distribution box.

[0004] Therefore, a busbar socket device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a busbar socket device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a busbar socket device, comprising a molded case switch with a connection groove provided on the side;

[0007] A connecting plate fixedly arranged on the inner bottom surface of the connecting groove;

[0008] An adapter bus bar is provided below the molded case switch, a bus bar socket is provided on the side of the molded case switch, and the top of the bus bar socket extends to the inside of the connection slot;

[0009] The busbar socket is electrically connected to the connecting plate via connecting bolts.

[0010] Preferably, the busbar socket comprises a top plate, and side plates are arranged on the left and right sides of the top plate, and the adjacent surfaces of the top ends of the two side plates are fixedly connected to the two side surfaces of the top plate.

[0011] Preferably, the rear end of the top plate extends into the connecting groove, a connecting groove is vertically penetrated through the rear end of the top plate, the connecting bolt is vertically arranged inside the connecting groove, the bottom end of the connecting bolt penetrates the connecting groove and the connecting plate, and the surface of the connecting bolt is threadedly connected to the inner wall of the connecting plate.

[0012] Preferably, a card-connecting groove is vertically penetrated through the side surface of the side plate, the adapter busbar has an L-shaped plate cross-section, the upper end of the adapter busbar extends into the card-connecting groove, and the top surface of the adapter busbar is in extrusion contact with the inner wall of the card-connecting groove.

[0013] Preferably, a positioning block is provided inside the card-connecting slot, a side surface of the positioning block is fixedly connected to an inner wall of the card-connecting slot, and a bottom surface of the positioning block contacts a top surface of the adapter busbar.

[0014] Preferably, contact strips are fixedly provided on the inner side surfaces of the side panels at both sides of the card connection slots, and metal elastic members are provided on the outer sides of the two contact strips on the same side, and the metal elastic members are door-shaped strips.

[0015] Preferably, a limit strip is provided on the inner side of the side panel at a position corresponding to the metal elastic member, the inner side surface of the limit strip is clamped with the surface of the metal elastic member on the corresponding side, and the top end of the limit strip is fixedly connected with the corresponding inner side surface of the side panel.

[0016] Preferably, the bottom ends on both sides of the metal elastic member are bent inward, and the corresponding bottom ends of the metal elastic members on the same side away from the side of the two contact strips are provided with a snap-in groove, and the bottom ends on both sides of the metal elastic member extend into the corresponding two snap-in grooves.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the busbar socket device,

[0018] 1) Through the provided busbar socket, when the busbar extender is installed in the shell, safety is improved; there is no need to increase the internal space of the distribution box, which is conducive to miniaturization of the distribution box and cost reduction;

[0019] 2) By installing the adapter busbar on the molded case switch using the busbar socket, the adapter busbar is replaced by a fixed connection method of directly connecting the adapter busbar to the molded case switch, so that the adapter busbar can be quickly connected to the molded case switch, thereby improving the convenience of installation; at the same time, in the event of a failure or maintenance, the adapter busbar can also be directly pulled out from the busbar socket to quickly disconnect the connection between the adapter busbar and the molded case switch, thereby improving the safety of use. By setting the busbar socket, compared with the current bolt connection and snap connection, it has the advantages of quick disassembly and quick installation. At the same time, through the auxiliary effect of the metal elastic part, the adapter busbar has good connectivity after being assembled with the busbar socket, and will not fall off due to external vibration, thereby improving the overall practicality of the device;

[0020] 3) When the adapter busbar is plugged into the card-connecting slot, the side plate clamps the surface of the adapter busbar under the action of the metal elastic member. By setting the contact strip, the friction contact surface with the adapter busbar is further increased, making the connection between the adapter busbar and the busbar socket more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a three-dimensional schematic diagram of the structure of the busbar socket of the utility model;

[0023] Figure 3 This is a three-dimensional exploded schematic diagram of the busbar socket structure of the utility model;

[0024] Figure 4 It is a three-dimensional cross-sectional view of the top plate structure of the utility model.

[0025] In the figure: 1 molded case switch, 2 connection slot, 3 connection plate, 4 busbar socket, 41 top plate, 42 side plate, 43 connection through slot, 44 snap-in through slot, 45 positioning block, 46 contact strip, 47 snap-in slot, 48 metal elastic part, 49 limit strip, 5 connection bolt, 6 adapter busbar. DETAILED DESCRIPTION

[0026] 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 in 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.

[0027] Example:

[0028] See also Figure 1-Figure 4 , the utility model provides a technical solution: a busbar socket device, comprising a molded case switch 1 with a connection slot 2 provided on the side;

[0029] A connecting plate 3 fixedly arranged on the inner bottom surface of the connecting groove 2;

[0030] An adapter bus bar 6 is provided below the molded case switch 1, a bus bar socket 4 is provided on the side of the molded case switch 1, and the top of the bus bar socket 4 extends to the inside of the connection slot 2;

[0031] The busbar socket 4 is electrically connected to the connecting plate 3 through the connecting bolts 5. The busbar socket 4 includes a top plate 41. Side plates 42 are arranged on the left and right sides of the top plate 41. The top ends of the two side plates 42 are fixedly connected to the two side surfaces of the top plate 41.

[0032] The rear end of the top plate 41 extends to the inside of the connection groove 2, and a connection groove 43 is vertically penetrated at the rear end of the top plate 41. The connection bolt 5 is vertically arranged in the connection groove 2, and the bottom end of the connection bolt 5 penetrates the connection groove 43 and the connection plate 3. The surface of the connection bolt 5 is threadedly connected with the inner wall of the connection plate 3. The side plate 42 is vertically penetrated with a card-connection groove 44. The cross-section of the adapter busbar 6 is an L-shaped plate. The upper end of the adapter busbar 6 extends to the inside of the card-connection groove 44, and the top surface of the adapter busbar 6 is in compression contact with the inner wall of the card-connection groove 44.

[0033] A positioning block 45 is provided inside the card connection slot 44, the side surface of the positioning block 45 is fixedly connected to the inner wall of the card connection slot 44, the bottom surface of the positioning block 45 is in contact with the top surface of the adapter bus bar 6, the inner side surface of the side plate 42 is located on both sides of the card connection slot 44 and fixedly provided with contact strips 46, and the outer side covers of the two contact strips 46 on the same side are provided with metal elastic parts 48, and the metal elastic parts 48 are door-shaped strips;

[0034] A limiting strip 49 is provided on the inner side of the side panel 42 at a position corresponding to the metal elastic member 48. The inner side surface of the limiting strip 49 is clamped with the surface of the metal elastic member 48 on the corresponding side. The top of the limiting strip 49 is fixedly connected with the inner side surface of the corresponding side panel 42. The bottom ends of both sides of the metal elastic member 48 are bent inwardly. The corresponding two contact strips 46 on the same side are away from the bottom ends of the metal elastic member 48 corresponding to the side with clamping grooves 47. The bottom ends of both sides of the metal elastic member 48 extend to the inside of the two corresponding clamping grooves 47.

[0035] Furthermore, the bus bar socket 4 provided in this embodiment can improve safety when the bus bar expander is installed in the shell; there is no need to increase the internal space of the distribution box, which is beneficial to miniaturization of the distribution box and reduction of costs. When the bus bar socket 4 is installed on the adapter connecting bar, only the bus bar socket 4 on the adapter bus bar 6 is connected to the molded case switch 1 to improve safety and convenience.

[0036] When in use, when the adapter busbar 6 is inserted into the card-connecting slot 44, the side panel 42 clamps the surface of the adapter busbar 6 under the action of the metal elastic member 48. By providing the contact strip 46, the friction contact surface with the adapter busbar 6 is further increased, making the connection between the adapter busbar 6 and the busbar socket 4 more secure.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A busbar socket device, comprising a molded case switch (1) having a connection groove (2) provided on a side surface; A connecting plate (3) fixedly arranged on the inner bottom surface of the connecting groove (2); Features: An adapter busbar (6) is arranged below the molded case switch (1), a busbar socket (4) is arranged on the side of the molded case switch (1), and the top end of the busbar socket (4) extends into the interior of the connection slot (2); The busbar socket (4) is electrically connected to the connection plate (3) via a connection bolt (5).

2. A busbar socket device according to claim 1, characterized in that: The busbar socket (4) comprises a top plate (41), and side plates (42) are arranged on the left and right sides of the top plate (41), and the top ends of the two side plates (42) are close to each other and fixedly connected to the two side surfaces of the top plate (41).

3. A busbar socket device according to claim 2, characterized in that: The rear end of the top plate (41) extends into the interior of the connecting groove (2), and a connecting through groove (43) is vertically penetrated through the rear end of the top plate (41). The connecting bolt (5) is vertically arranged in the interior of the connecting groove (2), and the bottom end of the connecting bolt (5) penetrates the connecting through groove (43) and the connecting plate (3), and the surface of the connecting bolt (5) is threadedly connected to the inner wall of the connecting plate (3).

4. A busbar socket device according to claim 3, characterized in that: A card-connecting slot (44) is vertically penetrated through the side surface of the side plate (42); the adapter busbar (6) is arranged in an L-shaped plate in cross section; the upper end of the adapter busbar (6) extends into the interior of the card-connecting slot (44); and the top surface of the adapter busbar (6) is in compression contact with the inner wall of the card-connecting slot (44).

5. A busbar socket device according to claim 4, characterized in that: A positioning block (45) is provided inside the card connection slot (44), the side surface of the positioning block (45) is fixedly connected to the inner wall of the card connection slot (44), and the bottom surface of the positioning block (45) is in contact with the top surface of the adapter busbar (6).

6. A busbar socket device according to claim 5, characterized in that: Contact strips (46) are fixedly arranged on both sides of the inner side surface of the side plate (42) at the card connection slot (44), and metal elastic parts (48) are arranged on the outer sides of the two contact strips (46) on the same side. The metal elastic parts (48) are door-shaped strips.

7. A busbar socket device according to claim 6, characterized in that: A limit strip (49) is provided on the inner side of the side plate (42) at a position corresponding to the metal elastic member (48); the inner side surface of the limit strip (49) is snap-fitted to the surface of the metal elastic member (48) on the corresponding side; and the top end of the limit strip (49) is fixedly connected to the inner side surface of the corresponding side plate (42).

8. A busbar socket device according to claim 7, characterized in that: The bottom ends of both sides of the metal elastic member (48) are bent inwards, and the bottom ends of the two corresponding contact strips (46) on the same side that are away from each other are provided with snap-fitting grooves (47), and the bottom ends of both sides of the metal elastic member (48) extend into the corresponding two snap-fitting grooves (47).

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