Durable three-phase junction box

Abstract

The utility model belongs to the technical field of junction boxes, in particular to a durable three-phase junction box, which comprises a bottom shell and an upper cover, an electric appliance mounting plate is arranged in the bottom shell, and one side of the electric appliance mounting plate is detachably connected with a plurality of first supports and second supports; the first bracket and the second bracket are respectively connected with a plurality of guide rails; the guide rails are respectively clamped with the circuit breaker assembly, the wiring end assembly, the copper bar and the change-over switch, in order to facilitate the concise and convenient arrangement of the whole wiring layout of the copper bar, the circuit breaker and the wiring end, a plurality of supports with different heights are arranged at the positions of the circuit breaker assembly, the copper bar and the like, and the number is increased or decreased according to functional wiring requirements in the junction box. Meanwhile, the supports facilitate layout and arrangement of the circuit breaker and can move, the supports are provided with the first supports and the second supports, cables connected internally and externally are kept to be connected smoothly due to different heights, the trend and posture of each cable can be observed conveniently, and maintenance and overhaul are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of junction box, specifically belongs to a durable three -phase junction box. BACKGROUND

[0002] The junction box is mainly used for protecting and connecting electric wires. The traditional durable three -phase junction box is generally composed of three -phase cables in the same cavity. The junction box is one of the auxiliary materials for electricians. The electric wires pass through the electric wire pipe, and the junction box is used as a transition at the joint of the electric wires. The electric wire pipe is connected with the junction box. The electric wires in the pipe are connected in the junction box, which protects and connects the electric wires. However, the existing junction box has the problems of too many and too long electric wires, which cannot be moved due to the layout. When the cable is rearranged, the cable is too messy, and it is not convenient to maintain. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a durable three -phase junction box to solve the problems mentioned in the background.

[0004] The utility model discloses a durable three -phase junction box, including bottom shell and upper cover, the bottom shell is equipped with electric appliance mounting panel, electric appliance mounting panel one side detachable connection has a plurality of first support, second support, the first support is connected with a plurality of guide rails, and the second support is connected with a plurality of guide rails, the guide rail is respectively connected with circuit breaker assembly, wiring end assembly, copper bar and change-over switch.

[0005] Preferably, the bottom shell extends a convex surface near the upper cover, the width of the convex surface is less than the width of the bottom shell, the outer side of the convex surface is provided with a bent edge, and the bottom shell is integrally formed.

[0006] Preferably, the bottom shell is provided with a sealing strip near one side of the upper cover, the inner side of the sealing strip is provided with a groove, and the groove is inserted into the bent edge.

[0007] Preferably, the sealing strip is provided with an insulating buffer layer, and the sealing strip is further provided with a convex edge away from both sides of the insulating buffer layer.

[0008] Preferably, the two side surfaces of the bottom shell in the width direction are provided with inclined surfaces inclined outward along the direction of the upper cover.

[0009] Preferably, the bottom shell is provided with a clamping piece on one side, the upper cover is provided with a corresponding plug-in piece on one side, and the clamping piece and the plug-in piece are rotatably connected through a shaft.

[0010] Preferably, the bottom shell and the upper cover are respectively provided with a buckle piece and a lock piece on one side of the clamping piece and the plug-in piece, and the lock piece clamps the buckle piece.

[0011] Preferably, the bottom shell is provided with a positioning rack on the side away from the upper cover, and the positioning rack is clamped with a fixing support.

[0012] Preferably, the bottom shell is provided with a waterproof cable joint on the side close to the terminal assembly, and the upper cover is provided with a plurality of drainage holes on the side close to the waterproof cable joint.

[0013] Preferably, the bottom shell is provided with a cover plate on the side close to the upper cover, and the cover plate is provided with a limiting groove, and the change-over switch penetrates through the limiting groove.

[0014] Compared with the prior art, the utility model provides a durable three -phase terminal box has beneficial effect: in order to facilitate copper row, circuit breaker and the whole layout of terminal wiring simple, it is convenient to comb, then sets up a plurality of different height's support at circuit breaker assembly, copper row etc., according to the functional wiring requirement inside the terminal box, increase and decrease are carried out simultaneously, and the support that is provided simultaneously is convenient for circuit breaker layout arrangement, can move, simultaneously, the support is equipped with first support, second support, and the support of different height makes the cable of internal and external wiring keep wiring smooth, is convenient for observing the cable trend posture of each road, is convenient for maintenance overhaul. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0016] Figure 1 It is the explosion view of the utility model embodiment.

[0017] Figure 2 It is the perspective view of the utility model embodiment.

[0018] Figure 3 It is the A direction enlarged view of Figure 2 .

[0019] Figure 4 It is the perspective view of another direction of the utility model embodiment.

[0020] Figure 5 It is the sectional view of the utility model embodiment.

[0021] Figure 6 It is the perspective view of the bottom shell of the utility model embodiment.

[0022] Figure 7 It is the sectional view of the sealing strip of the utility model embodiment.

[0023] REFERENCE NUMERALS

[0024] 1-bottom shell; 11-protruding surface; 12-bent edge; 13-clamping piece; 14-shaft; 15-buckle; 16-positioning frame; 17-waterproof cable joint; 18-inclined surface; 2-upper cover; 21-plug-in piece; 22-locking piece; 23-cover plate; 231-limiting groove; 232-positioning signboard; 24-drainage hole; 3-electric appliance mounting plate; 31-first support; 32-second support; 33-guide rail; 4-circuit breaker assembly; 5-wiring terminal assembly; 6-copper bar; 7-switching switch; 8-sealing strip; 81-groove; 82-insulating buffer layer; 83-protruding edge; 9-fixing support; DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments.

[0026] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0027] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0030] As Figure 1 The utility model provides a durable type three -phase terminal box, including bottom shell 1 and upper cover 2, be equipped with electrical installation board 3 in bottom shell 1, and a plurality of first support 31, second support 32 are detachably connected to one side of electrical installation board 3, first support 31, second support 32 are connected with a plurality of guide rail 33 respectively, and the guide rail 33 is connected with circuit breaker assembly 4, wiring terminal assembly 5, copper bar 6 and change-over switch 7 respectively, in order to facilitate copper bar 6, circuit breaker assembly 4 and external wiring terminal assembly 5 wiring entire layout simple, it is convenient to comb, then a plurality of supports of different height are provided at circuit breaker assembly 4, copper bar 6 etc., according to the functional wiring requirement inside terminal box, increase and decrease, the support of simultaneous arrangement is convenient for circuit breaker layout arrangement, can move, further, there is at least two first support 31 / second support 32 is connected with guide rail 33, because the number of first support 31 / second support 32 is different, and the length of guide rail 33 is also different, and guide rail 33 is fixed on first support 31, second support 32 by bolt, and first support 31, second support 32 and guide rail 33 all belong to detachable connection, and can adjust layout according to demand, at the same time, the support is equipped with first support 31, second support 32, and the support of different height makes the cable of internal and external wiring keep wiring smooth, and it is convenient to observe the cable trend posture of each road, and it is convenient to maintain and overhaul.

[0031] As Figures 1 to 7As shown, the bottom shell 1 extends a raised surface 11 near the upper cover 2, the width of the two sides of the raised surface 11 is less than the width of the bottom shell 1; the outer side of the raised surface 11 is provided with a bent edge 12; the bottom shell 1 is integrally formed, integrally formed by heat melting, no joint, good waterproof effect stability; the bottom shell 1 is provided with a sealing strip 8 near one side of the upper cover 2, the inner side of the sealing strip 8 is provided with a groove 81, the groove 81 is inserted into the bent edge 12, and the sealing strip 8 is provided with an insulation buffer layer 82; the two sides of the sealing strip 8 away from the insulation buffer layer 82 are also provided with a raised edge 83; the sealing strip 8 is arranged at the bottom shell 1 near the upper cover 2, and is integrally formed at one time; the two sides of the sealing strip 8 are also provided with the raised edge 83, and the middle part is a flat channel, so that the upper cover 2 and the bottom shell 1 of the junction box are pressed and sealed, and the insulation buffer layer 82 is also arranged on the side of the sealing strip 8, which is used for buffering the impact force when the door plate of the junction box is opened or closed; the two side surfaces of the bottom shell 1 in the width direction are provided with inclined surfaces 18 which are inclined outward along the direction of the upper cover 2, and the side edges are inclined to avoid water accumulation; one side of the bottom shell 1 is provided with a clamping piece 13; one side of the upper cover 2 is provided with a plug-in piece 21 corresponding to the clamping piece 13, and the clamping piece 13 and the plug-in piece 21 are rotatably connected through a shaft 14; the bottom shell 1 and the upper cover 2 are respectively provided with a buckle piece 15 and a lock piece 22 on one side of the clamping piece 13 and the plug-in piece 21, and the lock piece 22 clamps the buckle piece 15; a buckle lock mode is adopted; one side of the bottom shell 1 away from the upper cover 2 is provided with a positioning frame 16, the positioning frame 16 is clamped with a fixed support 9, which is used for fixing the junction box on a plane; one side of the bottom shell 1 near the junction terminal assembly 5 is provided with a waterproof cable joint 17; one side of the upper cover 2 near the waterproof cable joint 17 is provided with a plurality of drainage holes 24; one side of the bottom shell 1 near the upper cover 2 is provided with a cover plate 23, and the cover plate 23 is provided with a limiting groove 231; the conversion switch 7 penetrates the limiting groove 231. In order to facilitate the maintenance personnel to quickly identify, avoid unsafe accidents caused by misoperation, damage equipment or affect personal safety, a positioning signboard 232 is arranged on the cover plate 23, the inside of the signboard is marked with the specific control position of each control function switch, the operation is convenient and fast, and the misoperation caused by unfamiliar equipment is avoided.

[0032] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

Claims

1. A ruggedized three-phase terminal box, characterized by: Including bottom shell and upper cover, the bottom shell is equipped with electrical installation board, the electrical installation board side detachable connection has a plurality of first support, second support, the first support, second support respectively connects a plurality of guide rail, the guide rail respectively connects circuit breaker assembly, wiring terminal assembly, copper bar and change-over switch.

2. A ruggedized three-phase terminal block as defined in claim 1, characterized in that: The bottom shell extends a convex surface near the upper cover, the convex surface width is less than the width of the bottom shell, the convex surface outside is provided with a bending edge, the bottom shell is integrally formed.

3. A ruggedized three-phase terminal block as defined in claim 2, characterized in that: The bottom shell is provided with a sealing strip near the side of the upper cover, the sealing strip is provided with a groove inside, the groove is inserted into the bending edge.

4. A ruggedized three-phase terminal block as defined in claim 3, wherein: The sealing strip is provided with an insulating buffer layer, and the sealing strip is provided with a convex edge away from the two sides of the insulating buffer layer.

5. A ruggedized three-phase terminal block as defined in claim 1, wherein: The two sides of the bottom shell in the width direction are provided with inclined surfaces extending outward along the direction of the upper cover.

6. A ruggedized three-phase terminal block as defined in claim 1, wherein: The bottom shell is provided with a clamping piece on one side, and the upper cover is provided with a corresponding plug-in piece on one side, and the clamping piece and the plug-in piece are rotatably connected through a shaft.

7. A ruggedized three-phase terminal block as defined in claim 6, wherein: The bottom shell and the upper cover are respectively provided with a buckle piece and a lock piece on one side of the clamping piece and the plug-in piece, and the lock piece is clamped with the buckle piece.

8. A ruggedized three-phase terminal block as defined in claim 1, wherein: The bottom shell is provided with a positioning frame away from the side of the upper cover, and the positioning frame is clamped with a fixed support.

9. A ruggedized three-phase terminal block as defined in claim 1, wherein: The bottom shell is provided with a waterproof cable joint near the side of the wiring terminal assembly, and the upper cover is provided with a plurality of drainage holes near the waterproof cable joint.

10. A ruggedized three-phase terminal block as defined in claim 1, wherein: The bottom shell is provided with a cover plate near the side of the upper cover, and the cover plate is provided with a limiting groove, and the change-over switch penetrates through the limiting groove.

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