Metering junction box

Abstract

The utility model relates to a metering junction box, which comprises a box body and a conductive assembly arranged in the box body, the box body comprises a base and a cover plate arranged on the base, the conductive assembly comprises a conductive plate arranged in the base, a plurality of wiring screws and a plurality of nuts, and the wiring screws and the nuts are respectively arranged on the conductive plate. A plurality of embedding grooves are formed in the positions, corresponding to the wiring nuts, in the base, the plurality of nuts are clamped in the embedding grooves to form clamping matching of the plurality of nuts and the base, the plurality of wiring screws penetrate through the conductive plate and are connected to the plurality of nuts respectively, a positioning groove matched with the conductive plate is formed in the base, and the positioning groove is matched with the conductive plate. And the conductive plate is clamped in the positioning groove to form clamping fit between the conductive plate and the base. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and reliable connection.

Description

Technical Field

[0001] The utility model relates to a junction box, in particular to a metering junction box. Background Art

[0002] At present, the function of the combined metering junction box in the secondary circuit of the electric energy metering device is to connect the secondary wires led out by the mutual inductor in series and parallel through the terminals of the junction end of the combined metering junction box and then connect them to the wiring terminals of the electric energy meter, which is applicable to single-phase lighting and three-phase active and reactive electric energy metering connections of various voltage levels. The connection between the conductive plate and the box body of the existing metering junction box is not compact, and the conductive plate and the box body are prone to looseness and falling off, resulting in poor connection reliability of the junction box. In addition, the metering junction box also has defects such as complex structure, unreliable performance, and inconvenient assembly. Summary of the Invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a metering junction box with simple structure, stable and reliable performance, convenient assembly, and reliable connection.

[0004] To achieve the above purpose, the utility model adopts a metering junction box, which includes a box body and a conductive component arranged in the box body. The box body includes a base and a cover plate arranged on the base. The conductive component includes a conductive plate arranged in the base, a plurality of wiring screws and a plurality of nuts respectively arranged on the conductive plate. A plurality of fitting grooves are respectively arranged in the base corresponding to the wiring nuts. The plurality of nuts are clamped in the fitting grooves, and a clamping fit between the plurality of nuts and the base is formed. The plurality of wiring screws pass through the conductive plate and are respectively connected to the plurality of nuts. A positioning groove matched with the conductive plate is arranged in the base. The conductive plate is clamped in the positioning groove, and a clamping fit between the conductive plate and the base is formed.

[0005] The beneficial effects of the above structure are as follows: The conductive component is clamped in the fitting grooves of the base through a plurality of nuts, so as to ensure a more compact connection between the conductive component and the base, avoid loosening and falling off of the conductive plate, and have higher connection reliability. The conductive component adopts a modular structure design, and the conductive plate is clamped in the positioning groove of the base, so as to realize the modular assembly of the conductive component and the base. Therefore, the metering junction box has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable connection.

[0006] Particularly, a plurality of hooks are respectively arranged on both sides of the base corresponding to the positioning groove. The plurality of hooks are respectively clamped on both sides of the conductive plate, and a clamping fit between the conductive plate and the plurality of hooks is formed. A plurality of hooks clamped on the conductive plate are arranged in the base, which is convenient for the assembly of the conductive plate and the base and can ensure a more compact connection between the conductive plate and the base.

[0007] Specifically, one end of the cover plate is rotatably arranged on the base, and two clamping plates are symmetrically arranged at the other end of the cover plate. A clamping groove matched with the two clamping plates is arranged in the base. The clamping plates are clamped in the clamping groove, and the clamping connection between the two clamping plates and the base is formed. The cover plate is clamped on the base through the two clamping plates, so that the assembly of the cover plate and the base is facilitated, and the assembly efficiency is higher.

[0008] Specifically, two rotating shaft parts are arranged at one end of the cover plate, and two supporting plates matched with the two rotating shaft parts are arranged on the base. Positioning holes are respectively arranged on the two supporting plates. The rotating shaft parts are inserted into the positioning holes, and the rotational connection between the rotating shaft parts and the base is formed. The cover plate is rotatably arranged on the base through the rotating shaft parts, so that the assembly of the cover plate and the base is facilitated, and the assembly is more convenient.

[0009] Specifically, reinforcing ribs are respectively arranged on one side of the two clamping plates. The reinforcing ribs can enhance the overall strength of the clamping plates, so that the connection between the clamping plates and the base can be more reliable. Description of the Drawings

[0010] Figure 1 It is a perspective view of an embodiment of the present utility model.

[0011] Figure 2 It is an exploded view of an embodiment of the present utility model.

[0012] Figure 3 It is a cross-sectional view of an embodiment of the present utility model.

[0013] Figure 4 It is a perspective view of the cover plate of an embodiment of the present utility model. Detailed Embodiment

[0014] As Figures 1 to 4 shown, an embodiment of the present utility model is a metering junction box, which includes a box body 10 and a conductive component 20 arranged in the box body 10. The box body 10 includes a base 11 and a cover plate 12 arranged on the base 11. The conductive component 20 includes a conductive plate 21 arranged in the base 11, a plurality of wiring screws 22 respectively arranged on the conductive plate 21, and a plurality of nuts 23. A plurality of fitting grooves 111 are respectively arranged in the base 11 corresponding to the wiring nuts 23. The plurality of nuts 23 are clamped in the fitting grooves 111, and the clamping connection between the plurality of nuts 23 and the base 11 is formed. The plurality of wiring screws 22 pass through the conductive plate 21 and are respectively connected to the plurality of nuts 23. A positioning groove 110 matched with the conductive plate 21 is arranged in the base 11. The conductive plate 21 is clamped in the positioning groove 110, and the clamping connection between the conductive plate 21 and the base 11 is formed.

[0015] As Figure 2 、 3, as shown in FIG. 4, a plurality of hooks 112 are respectively arranged on both sides of the positioning groove 110 in the base 11. The plurality of hooks 112 are respectively engaged on both sides of the conductive plate 21, and constitute the clamping fit between the conductive plate 21 and the plurality of hooks 112. A plurality of hooks that are engaged with the conductive plate are arranged in the base, which facilitates the assembly of the conductive plate and the base, and can ensure a more compact connection between the conductive plate and the base. One end of the cover plate 12 is rotatably arranged on the base 11. Two clamping plates 121 are symmetrically arranged at the other end of the cover plate 12. A clamping groove 113 that cooperates with the two clamping plates 121 is arranged in the base 11. The clamping plates 121 are engaged in the clamping groove 113, and constitute the clamping fit between the two clamping plates 121 and the base 11. The cover plate is clamped on the base through the two clamping plates, which facilitates the assembly of the cover plate and the base, and the assembly efficiency is higher. Two rotating shaft parts 122 are arranged at one end of the cover plate 12. Two support plates 114 that cooperate with the two rotating shaft parts 122 are arranged on the base 11. Positioning holes 115 are respectively arranged on the two support plates 114. The rotating shaft parts 122 are inserted into the positioning holes 115, and constitute the rotational connection fit between the rotating shaft parts 122 and the base 11. The cover plate is rotatably arranged on the base through the rotating shaft parts, which facilitates the assembly of the cover plate and the base, and the assembly is more convenient. Reinforcing ribs 1211 are respectively arranged on one side of the two clamping plates 121. The reinforcing ribs can enhance the overall strength of the clamping plates, so as to ensure a more reliable connection between the clamping plates and the base.

[0016] The conductive assembly is clamped in the fitting groove of the base through a plurality of nuts, so as to ensure a more compact connection between the conductive assembly and the base, avoid loosening and falling off of the conductive plate, and the connection reliability is higher. The conductive assembly adopts a modular structure design, and the conductive plate is clamped in the positioning groove of the base, so as to realize the modular assembly of the conductive assembly and the base. Therefore, the metering junction box has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable connection.

Claims

1. A metering junction box, comprising a box body and a conductive component arranged in the box body, characterized in that: The box body includes a base and a cover plate arranged on the base. The conductive component includes a conductive plate arranged in the base, a plurality of wiring screws and a plurality of nuts respectively arranged on the conductive plate. A plurality of engaging grooves are respectively arranged in the base corresponding to the wiring nuts. The plurality of nuts are engaged in the engaging grooves and constitute a snap-fit ​​fit between the plurality of nuts and the base. The plurality of wiring screws pass through the conductive plate and are respectively connected to the plurality of nuts. A positioning groove cooperating with the conductive plate is arranged in the base. The conductive plate is engaged in the positioning groove and constitutes a snap-fit ​​fit between the conductive plate and the base.

2. The metering junction box according to claim 1, characterized in that: A plurality of hooks are respectively arranged at both sides of the corresponding positioning groove in the base, and the plurality of hooks are respectively engaged with the two sides of the conductive plate to form a clamping fit between the conductive plate and the plurality of hooks.

3. The metering junction box according to claim 1 or 2, characterized in that: One end of the cover plate is rotatably arranged on the base, and the other end of the cover plate is symmetrically arranged with two clamping plates. A clamping groove matching with the two clamping plates is arranged in the base, and the clamping plate is clamped in the clamping groove to form a clamping fit between the two clamping plates and the base.

4. The metering junction box according to claim 3, characterized in that: One end of the cover plate is provided with two rotating shaft parts, and the base is provided with two supporting plates matched with the two rotating shaft parts. The two supporting plates are respectively provided with positioning holes, and the rotating shaft parts are inserted into the positioning holes to form a rotating connection cooperation between the rotating shaft parts and the base.

5. The metering junction box according to claim 3, characterized in that: Reinforcing ribs are respectively arranged on one side of the two clamping plates.

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