Space-expandable junction box

Abstract

The utility model relates to the technical field of power plant electricity, in particular to a junction box capable of expanding space, which is provided with a box-packed structure which can be combined in adjacent transverse directions and can be disassembled and assembled by partition plates, and can expand wiring terminals, thereby realizing wiring in a larger range and improving practicability. Comprising a junction box inner plate, a convex frame, a convex groove, fixed side plates, a hinge, a cover closing plate, a mounting screw groove, a long bolt, a bolt head, a mounting screw groove and a movable side plate, the upper side and the lower side of the front end of the junction box inner plate are connected with the rear sides of the fixed side plates respectively, the convex groove is formed in the left side of the junction box inner plate, and the right side of the junction box inner plate is connected with the left side of the convex frame; the lower portion of the front end of the lower side fixed side plate is movably connected with the rear side end of the closing cover plate through a hinge, two sets of installation screw grooves are formed in the left side and the right side of the front end of the junction box inner plate respectively, long bolts penetrate through the installation screw grooves to be detachably screwed with the installation screw grooves, the front sides of the long bolts are connected with the middles of the rear sides of bolt heads, and combined mechanisms are further arranged on the outer sides of the fixed side plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power plant electricity, specifically is a wiring box of extensible space. BACKGROUND

[0002] The important role that electric power plays in our life and production cannot be ignored, it brings us great convenience, becomes the important energy in our production life. The most critical factor that can make electric power normal operation and transmission in the power plant is electrical equipment.

[0003] Among them, the wiring box is used for line installation in the power plant, the existing patent announcement number for CN211126379U wiring box, it includes the shell, at least one input terminal post, at least one output terminal post, at least one input male port, at least one output male port. Since the outer wall of the second end of the input terminal post and the second end of the output terminal post is provided with a thread, the corresponding wire harness can be connected to the second end of the input terminal post and the output terminal post, and locked with a nut, so as to eliminate the problems of loose connection and loose connection. And the input male port and the output male port are externally protruding, the externally protruding part can be used for plugging with the corresponding female port, and can be locked with a bolt, so as to also eliminate the problems of loose connection and loose connection.

[0004] But due to the limitation of the internal area of the device, the number of working ports is limited, and the practicability is insufficient. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a wiring box of extensible space which is provided with a box structure that can be combined and disassembled with adjacent transverse partitions, and the wiring terminals can be expanded to realize wider wiring and improve practicability.

[0006] To achieve the above object, the utility model provides the following technical scheme: a wiring box of extensible space, including wiring box inner board, convex frame, convex groove, fixed side plate, hinge, cover plate, mounting screw groove, long bolt, bolt head, installation slot and movable side plate, the upper and lower sides of the front end of the wiring box inner board are connected with the rear side of a group of fixed side plates, respectively, the left side of the wiring box inner board is provided with a convex groove, the right side of the wiring box inner board is connected with the left side of the convex frame, the lower part of the front end of the lower fixed side plate is movably connected with the rear side end of the cover plate through the hinge, the left and right sides of the front end of the wiring box inner board are provided with two groups of mounting screw grooves, respectively, the upper and lower sides of the inside of the movable side plate are provided with a group of installation slots, respectively, the long bolt is detachably screwed through the installation slot and the mounting screw groove, the front side of the long bolt is connected with the middle part of the rear side of the bolt head, and the outer side of the fixed side plate is further provided with a combination mechanism.

[0007] Preferably, the combination mechanism comprises combination screw grooves, combination plates, combination through grooves and combination bolts, each of the left and right sides of the fixed side plate is provided with two groups of combination screw grooves, the inner four corner sides of the combination plate are respectively provided with one group of combination through grooves, and the combination bolts are detachably screwed through the combination through grooves and the combination screw grooves.

[0008] Preferably, the combination mechanism comprises combination screw grooves, combination plates, combination through grooves and combination bolts, each of the left and right sides of the fixed side plate is provided with two groups of combination screw grooves, the inner four corner sides of the combination plate are respectively provided with one group of combination through grooves, and the combination bolts are detachably screwed through the combination through grooves and the combination screw grooves.

[0009] Preferably, the combination mechanism comprises combination screw grooves, combination plates, combination through grooves and combination bolts, each of the left and right sides of the fixed side plate is provided with two groups of combination screw grooves, the inner four corner sides of the combination plate are respectively provided with one group of combination through grooves, and the combination bolts are detachably screwed through the combination through grooves and the combination screw grooves.

[0010] Preferably, the combination mechanism comprises combination screw grooves, combination plates, combination through grooves and combination bolts, each of the left and right sides of the fixed side plate is provided with two groups of combination screw grooves, the inner four corner sides of the combination plate are respectively provided with one group of combination through grooves, and the combination bolts are detachably screwed through the combination through grooves and the combination screw grooves.

[0011] Preferably, the combination mechanism comprises combination screw grooves, combination plates, combination through grooves and combination bolts, each of the left and right sides of the fixed side plate is provided with two groups of combination screw grooves, the inner four corner sides of the combination plate are respectively provided with one group of combination through grooves, and the combination bolts are detachably screwed through the combination through grooves and the combination screw grooves.

[0012] Compared with the prior art, the utility model provides a wiring box of expansible space has the following beneficial effects:

[0013] According to demand can combine the left and right adjacent wiring box inner board, the male frame of left side wiring box inner board is inserted into the male groove of right side wiring box inner board, makes two groups of wiring box inner board correspond completely after horizontal, fixes through combination mechanism, then wiring box inner board in side, can be in wiring box inner board front side through dynamic side plate, is fixed through screwing in corresponding installation screw groove through long bolt, can expand terminal quantity after combination of multiple groups of wiring box inner board, provides greater wiring range, and can close the cover plate under the constraint of hinge, makes fixed side plate, dynamic side plate and cover plate combination forms external closed protection, sets up the box structure of adjacent transverse combination and partition plate dismounting, can carry out the expansion of wiring terminal, thereby realizes greater range wiring, improves practicality. ACCURACY

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the upper view of the utility model; Figure 1

[0016] Figure 3 It is the front view of the utility model; Figure 1

[0017] It is the lower view of the utility model; Figure 4 Figure 1

[0018] ​​​Marked in the drawing: 1, terminal box inner plate; 2, convex frame; 3, convex groove; 4, fixed side plate; 5, hinge; 6, cover plate; 7, mounting screw groove; 8, long bolt; 9, bolt head; 10, mounting through groove; 11, movable side plate; 12, combined screw groove; 13, combined plate; 14, combined through groove; 15, combined bolt; 16, countersunk groove; 17, locking ring; 18, movable pin piece; 19, fixed pin frame; 20, label card frame; 21, hook ring. DETAILED DESCRIPTION

[0019] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0020] Please refer to Figures 1-4 A terminal box with expandable space comprises a terminal box inner plate 1, a convex frame 2, a convex groove 3, a fixed side plate 4, a hinge 5, a cover plate 6, a mounting screw groove 7, a long bolt 8, a bolt head 9, a mounting through groove 10 and a movable side plate 11. The upper and lower sides of the front end of the terminal box inner plate 1 are connected to the rear sides of a group of fixed side plates 4 respectively. The left side of the terminal box inner plate 1 is provided with a convex groove 3. The right side of the terminal box inner plate 1 is connected to the left side of the convex frame 2. The lower part of the front end of the lower fixed side plate 4 is movably connected to the rear end of the cover plate 6 through the hinge 5. The left and right sides of the front end of the terminal box inner plate 1 are respectively provided with two groups of mounting screw grooves 7. The upper and lower sides of the inside of the movable side plate 11 are respectively provided with a group of mounting through grooves 10. The long bolt 8 is detachably screwed through the mounting through groove 10 and the mounting screw groove 7. The front side of the long bolt 8 is connected to the middle part of the rear side of the bolt head 9. The outer side of the fixed side plate 4 is further provided with a combined mechanism. According to requirements, the left and right adjacent terminal box inner plates 1 can be combined. The convex frame 2 of the left terminal box inner plate 1 is inserted into the convex groove 3 of the right terminal box inner plate 1. After the two groups of terminal box inner plates 1 are completely horizontally corresponding, they are fixed through the combined mechanism. Then the terminal box inner plate 1 at the side can be screwed and fixed through the mounting through groove 10 and the corresponding mounting screw groove 7 by the long bolt 8 at the front side of the terminal box inner plate 1. After a plurality of groups of terminal box inner plates 1 are combined, the number of terminals can be expanded, a larger wiring range is provided, and the cover plate 6 can be closed under the constraint of the hinge 5, so that the fixed side plate 4, the movable side plate 11 and the cover plate 6 are combined to form an externally closed protection.

[0021] The combination mechanism comprises combination screw grooves 12, combination plates 13, combination through grooves 14 and combination bolts 15, two groups of combination screw grooves 12 are arranged on the left and right sides of the outer part of each group of fixed side plates 4, one group of combination through grooves 14 is arranged on the inner part of four corners of the combination plate 13, and the combination bolt 15 is detachably screwed through the combination through groove 14 and the combination screw groove 12; when the adjacent junction box inner plates 1 are combined, the combination plate 13 can be correspondingly arranged on the adjacent two groups of fixed side plates 4, the combination through groove 14 on the combination plate 13 is correspondingly combined with the combination screw groove 12, and the combination bolt 15 is screwed and fixed in the combination screw groove 12 through the combination through groove 14, thereby vertically limiting the movement of the convex frame 2 and the convex groove 3, and the reliability is improved.

[0022] The counterbore groove 16 is further included, and one group of counterbore grooves 16 is arranged on the front side of each group of installation through grooves 10 in the movable side plate 11; the bolt head 9 after the long bolt 8 is screwed is hidden through the counterbore groove 16, so that the bolt head 9 is not conspicuous, and the cover plate 6 is conveniently closed.

[0023] The lock ring 17, the movable pin piece 18 and the fixed pin frame 19 are further included, the outer end front middle side of the cover plate 6 is rotationally connected with the inner end of the lock ring 17, the output end of the lock ring 17 is connected with one side of the inner end of the movable pin piece 18, and the front middle side bottom end of the upper fixed side plate 4 is connected with the top end of the fixed pin frame 19; when the cover plate 6 is closed, the lock ring 17 can be twisted to rotate the movable pin piece 18 into the fixed pin frame 19, so that the cover plate 6 is fixed and closed, the reliability is improved.

[0024] The label card frame 20 is further included, and the outer end front part of the cover plate 6 is connected with the inner side of the label card frame 20; the label card frame 20 can hold the label, so that the junction box inner plate 1 is conveniently distinguished and recognized, and the convenience is improved.

[0025] The hook ring 21 is further included, and the outer end left front side of the cover plate 6 is connected with the inner end of the hook ring 21; the hook ring 21 can be hooked to connect the cover plate 6 to be opened and closed, and the convenience is improved.

[0026] In summary, the extensible space terminal box can combine the left and right adjacent terminal box inner plates 1 according to the requirement in use, the convex frame 2 of the left terminal box inner plate 1 is inserted into the convex groove 3 of the right terminal box inner plate 1, the two groups of terminal box inner plates 1 are completely horizontally corresponding, then the combined plate 13 is corresponding to the two groups of fixed side plates 4, the combined screw groove 12 is corresponding to the combined slot 14 on the combined plate 13, the combined bolt 15 is screwed and fixed in the combined screw groove 12 through the combined slot 14, the vertical movement of the convex frame 2 and the convex groove 3 is limited, then the terminal box inner plate 1 at the side can be screwed and fixed in the corresponding installation screw groove 7 through the long bolt 8 passing through the installation slot 10 at the front side of the terminal box inner plate 1, the bolt head 9 after the long bolt 8 is screwed enough can be hidden through the countersunk groove 16, avoiding the protrusion, after the multiple groups of terminal box inner plates 1 are combined, the terminal number can be expanded, the larger wiring range is provided, the hooking hook ring 21 can close the cover plate 6 under the constraint of the hinge 5, after the cover plate 6 is closed, the locking ring 17 can be twisted, the movable pin piece 18 is rotated and pinned into the fixed pin frame 19, the cover plate 6 is closed and fixed, the fixed side plate 4, the movable side plate 11 and the cover plate 6 are combined to form the external closed protection, the label can be clamped through the label card frame 20, the terminal box inner plate 1 is distinguished and recognized, the convenience is improved.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A junction box with expandable space, characterized in that, The junction box includes an inner plate (1), a convex frame (2), a convex groove (3), a fixed side plate (4), a hinge (5), a cover plate (6), a mounting screw groove (7), a long bolt (8), a bolt head (9), a mounting through groove (10), and a moving side plate (11). The front end of the inner plate (1) is connected to the rear side of a set of fixed side plates (4) on its upper and lower sides, respectively. The left side of the inner plate (1) is provided with a convex groove (3), and the right side of the inner plate (1) is connected to the left side of the convex frame (2). The lower front end of the fixed side plate (4) is movably connected to the rear end of the cover plate (6) via a hinge (5). The front left and right sides of the junction box inner plate (1) are provided with two sets of mounting screw grooves (7). The upper and lower sides of the inside of the movable side plate (11) are provided with a set of mounting through grooves (10). The long bolt (8) passes through the mounting through groove (10) and is detachably screwed into the mounting screw groove (7). The front side of the long bolt (8) is connected to the middle of the rear side of the bolt head (9). The outer side of the fixed side plate (4) is also equipped with a combination mechanism.

2. The junction box with expandable space according to claim 1, characterized in that: The combined mechanism includes a combined screw groove (12), a combined plate (13), a combined through groove (14), and a combined bolt (15). Each set of fixed side plates (4) has two sets of combined screw grooves (12) on the left and right sides outside. The four corner sides inside the combined plate (13) each have a set of combined through grooves (14). The combined bolt (15) passes through the combined through groove (14) and the combined screw groove (12) and can be detachably screwed together.

3. The junction box with expandable space according to claim 1, characterized in that: It also includes countersunk grooves (16), and each set of mounting through grooves (10) in the moving side plate (11) is provided with a set of countersunk grooves (16) on the front side.

4. The junction box with expandable space according to claim 1, characterized in that: It also includes a locking ring (17), a moving pin (18), and a fixed pin frame (19). The outer front middle side of the cover plate (6) is rotatably connected to the inner end of the locking ring (17). The output end of the locking ring (17) is connected to one side of the inner end of the moving pin (18). The bottom front middle side of the upper fixed side plate (4) is connected to the top of the fixed pin frame (19).

5. A junction box with expandable space according to claim 1, characterized in that: It also includes a label card frame (20), the front part of the outer end of the cover plate (6) is connected to the inner side of the label card frame (20).

6. A junction box with expandable space according to claim 1, characterized in that: It also includes a hook ring (21), the outer left front side of the cover plate (6) is connected to the inner end of the hook ring (21).

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