A connection for an electrical switchgear

Abstract

The application relates to a connecting piece for an electrical switch cabinet, comprising a connecting rod, rotating pieces rotatably arranged at two ends of the connecting rod and used for cooperating with the switch cabinet to drive the connecting rod to slide on the switch cabinet, locking pieces slidably arranged at the two ends of the connecting rod and used for cooperating with the rotating pieces to limit the rotation of the rotating pieces, elastic pieces arranged between the connecting rod and the locking pieces and used for driving the locking pieces to slide to the rotating pieces and cooperate with the rotating pieces, the connecting rod is provided with a first wire-through channel for a wire to pass through, a side wall of the connecting rod is provided with a first wire-out hole in communication with the first wire-through channel and used for the wire to pass out, and the locking pieces are provided with fixing devices used for cooperating with the switch cabinet to fix the rotating pieces.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch cabinet parts, in particular to a connecting piece for an electrical switch cabinet. BACKGROUND

[0002] The electrical switch cabinet is a kind of electrical equipment, and the external line of the switch cabinet first enters the main control switch in the cabinet, then enters the branch control switch, and each branch is set according to its needs, and the main function is to open and close, control and protect the electrical equipment in the process of power generation, power transmission, power distribution and electric energy conversion. The components in the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices. In order to improve the safety of the electrical switch cabinet, the existing switch cabinet is provided with a conductive connector in the cabinet body for installing wires and installing various components. However, the existing conductive connector is usually a wire, and the two ends of the wire are fixedly connected with annular cold-press terminals to realize the connection of the cold-press terminals and the cabinet door by screws. However, the existing wire will be hung between the gaps of the cabinet door and the cabinet body, so that people need to fix the wire again to prevent the wire from affecting the closing of the cabinet door. At the same time, the existing connecting piece for connecting and installing various components is fixedly arranged in the cabinet body, which is not convenient to adjust when installing the components, and not only makes it difficult to install some components, but also affects the connection of the wire. SUMMARY

[0003] Therefore, in view of the above problems, the present application provides a connecting piece for an electrical switch cabinet.

[0004] To achieve the above technical problems, the present application adopts a connecting piece for an electrical switch cabinet, which comprises a connecting rod, a rotating piece rotatably arranged at both ends of the connecting rod for cooperating with the switch cabinet to drive the connecting rod to slide on the switch cabinet, a locking piece slidably arranged at both ends of the connecting rod for cooperating with the rotating piece to limit the rotation of the rotating piece, and an elastic piece arranged between the connecting rod and the locking piece for driving the locking piece to slide towards the rotating piece and cooperate with the rotating piece. The connecting rod is provided with a first wire passing channel for the wire to pass through, and the side wall of the connecting rod is provided with a first wire passing hole in communication with the first wire passing channel for the wire to pass out. The locking piece is provided with a fixing device for cooperating with the switch cabinet to fix the rotating piece.

[0005] Further improvement is that the lower side of the connecting rod is provided with a wire rod, the wire rod is provided with a second wire passing channel for the wire to pass through, and the side wall of the wire rod is provided with a second wire passing hole in communication with the second wire passing channel for the wire to pass out.

[0006] Further improvement is that the wire rod is provided with a placing gap for the wire to be transversely placed in the second wire passing channel.

[0007] Further improvement is that the fixing device comprises a fixing sleeve sleeved on the locking member, a first rotating screw is arranged on the lower end surface of the fixing sleeve and penetrates into the fixing sleeve to abut against the side wall of the locking member, second rotating screws are arranged on the two sides of the fixing sleeve and penetrate out of the fixing sleeve, and a locking nut is detachably arranged on the lower end of the second rotating screw penetrating out of the fixing sleeve through thread connection, and the locking nut is used for locking the fixing sleeve on the switch cabinet.

[0008] Further improvement is that a sliding groove is arranged on the inner side wall of the fixing sleeve, a sliding protrusion is arranged on the side wall of the locking member and matched with the sliding groove to allow the locking member to slide in the fixing sleeve, and the lower end surface of the first rotating screw abuts against the upper end surface of the sliding protrusion when penetrating into the fixing sleeve.

[0009] Further improvement is that the end surface of the locking member and the end surface of the rotating member that are close to each other are both provided with clamping teeth that are matched with each other.

[0010] Further improvement is that the connecting rod is provided with a mounting frame, and the mounting frame is provided with a mounting plate used for mounting electrical components.

[0011] Further improvement is that at least one mounting groove used for mounting electrical components is arranged on the mounting plate.

[0012] Further improvement is that the elastic member is a compression spring sleeved on the connecting rod, and the two ends of the compression spring abut against the side wall of the mounting frame and the end surface of the locking member away from the rotating member respectively.

[0013] Further improvement is that a bearing is arranged between the rotating member and the connecting rod, and the connecting rod is provided with a limiting member at both ends through thread connection, and the limiting member is used for limiting the bearing and the rotating member from being separated from the connecting rod.

[0014] By adopting the foregoing technical scheme, the beneficial effects of the present application are as follows: in the present application, the electrical components are placed on the mounting frame, the wires can penetrate into the connecting rod and the wire rod, and then penetrate out of the first penetrating hole and the second penetrating hole, and then the electrical components are connected, the hidden wires are installed through the connecting rod and the wire rod, which can prevent the installation of the electrical components from being affected by the disorder of the wires and prevent the normal opening and closing of the electrical switch cabinet from being affected by the disorder of the wires.

[0015] Further effects are that the connecting rod in the present application is rotatably arranged on the electrical switch cabinet through the rotating member, the position of the connecting rod on the electrical switch cabinet can be appropriately adjusted by the workers, and the wires and the electrical components are conveniently connected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1is the internal structure schematic view of the electrical switch cabinet in the embodiment of the present application;

[0017] Figure 2 is the corresponding Figure 1 the local enlarged view at A in the middle;

[0018] Figure 3 is the connecting piece structure schematic view in the embodiment of the present application;

[0019] Figure 4 is the fixed sleeve structure schematic view in the embodiment of the present application. DETAILED DESCRIPTION

[0020] The present application will be further described in conjunction with the drawings and specific embodiments.

[0021] Embodiment

[0022] Reference Figures 1 to 4 A connecting piece for electrical switch cabinet is installed in the electrical switch cabinet 1, wherein the electrical switch cabinet 1 is provided with slide rails 2, and the slide rails 2 are provided with sliding through slots 3 along the length direction, and the electrical switch cabinet 1 is provided with at least one group of connecting pieces, and the connecting piece for electrical switch cabinet in the embodiment comprises a connecting rod 4, a rotating piece 5 rotatably arranged at both ends of the connecting rod 4 for cooperating with the slide rails 2 of the switch cabinet to drive the connecting rod 4 to slide on the slide rails 2 of the switch cabinet, a locking piece 6 slidably arranged at both ends of the connecting rod 4 for cooperating with the rotating piece 5 to limit the rotation of the rotating piece 5, an elastic piece 7 (compression spring) arranged between the connecting rod 4 and the locking piece 6 for driving the locking piece 6 to slide to the direction of the rotating piece 5 and cooperate with the rotating piece 5, the connecting rod 4 is provided with a first wire passing through channel for passing through the wire, and the sidewall of the connecting rod 4 is provided with a first wire passing hole 8 in communication with the first wire passing through channel for passing out the wire, and the locking piece 6 is provided with a fixing device for cooperating with the switch cabinet to fix the rotating piece 5, in the embodiment, the rotating piece 5 is rotatably arranged on the connecting rod 4 and cooperates with the slide rails 2 of the switch cabinet, so that the worker can control the rotating piece 5 to roll on the slide rails 2, that is, drive the connecting rod 4 to slide, so as to adjust the position of the connecting rod 4 in the electrical switch cabinet 1, and facilitate the connection of the wire.

[0023] The connecting rod 4 is provided with a wire rod 9 on the lower side, the wire rod 9 is provided with a second wire passing channel for the wire to pass through, the side wall of the wire rod 9 is provided with a second wire passing hole 10 which is connected with the second wire passing channel and is used for the wire to pass out, and the wire rod 9 is provided with a placing gap 11 which is used for the wire to be placed in the second wire passing channel transversely. In this embodiment, the wire can pass into the first wire passing channel and the second wire passing channel, and when it is needed to pass out the connecting electrical component, the wire can pass out from the first wire passing hole 8 and the second wire passing hole 10 corresponding to the position, and then the electrical component is connected. The hidden wire is installed through the connecting rod 4 and the wire rod 9, which can prevent the installation of the electrical component from being affected by the disorder of the wire and prevent the normal opening and closing of the electrical switch cabinet 1 from being affected by the disorder of the wire.

[0024] The fixing device comprises a fixing sleeve 12 which is sleeved on the locking piece 6, the fixing sleeve 12 is provided with a first rotating screw rod 13 which passes into the fixing sleeve 12 and abuts against the side wall of the locking piece 6, the fixing sleeve 12 is sleeved on the locking piece 6, the first rotating screw rod 13 passes into the fixing sleeve 12 and abuts against the side wall of the locking piece 6, so that the relative sliding of the locking piece 6 relative to the fixing sleeve 12 is limited, the fixing sleeve 12 is provided with a second rotating screw rod 14 on both sides, the lower end of the second rotating screw rod 14 passes out of the fixing sleeve 12, a part of the lower end of the second rotating screw rod 14 passes out of the fixing sleeve 12 and is detachably provided with a locking nut 15 which is used for cooperating with the switch cabinet to lock the fixing sleeve 12 on the switch cabinet through threaded connection, wherein the lower end of the second rotating screw rod 14 passes through the sliding groove 3 of the electrical switch cabinet 1, and the locking nut 15 is located on the lower side of the sliding groove 3. When the locking nut 15 cooperates with the second rotating screw rod 14, the locking nut 15 can cooperate with the clamping slide rail 2, so that the fixing sleeve 12 is fixed and the relative sliding between the fixing sleeve 12 and the slide rail 2 is limited.

[0025] In this embodiment, the inner side wall of the fixing sleeve 12 is provided with a sliding groove, the side wall of the locking piece 6 is provided with a sliding protrusion 21 which cooperates with the sliding protrusion 21 and can be used for the locking piece 6 to slide in the fixing sleeve 12, and the lower end of the first rotating screw rod 13 abuts against the upper end of the sliding protrusion 21 when the lower end of the first rotating screw rod 13 passes into the fixing sleeve 12, so that the relative sliding between the fixing sleeve 12 and the locking piece 6 can only occur (when the first rotating screw rod 13 is loosened) and the relative rotation cannot occur.

[0026] The end face of the locking piece 6 and the rotating piece 5 close to each other is provided with the intermeshing engagement teeth, when the engagement teeth intermesh, the locking piece 6 and the rotating piece 5 are limited to rotate mutually, when the locking piece 6 is under the action of the elastic piece 7, the locking piece 6 and the rotating piece 5 close to each other, at this time, the engagement teeth intermesh, at this time, because the locking piece 6 cannot rotate, the rotating piece 5 engaged with it is also limited to rotate, so that the rotating piece 5 is locked, the staff cannot control the connecting rod 4 to slide in the electrical cabinet, it also achieves the effect of being locked, so that the embodiment can stably install the electrical components.

[0027] Meanwhile, in the embodiment, the connecting rod 4 is provided with a mounting frame 16, the mounting frame 16 is provided with a mounting plate 17 for mounting electrical components, the mounting plate 17 is provided with at least one mounting groove 18 for mounting electrical components, so as to facilitate the installation of electrical components, so that the connecting rod 4 can also drive the electrical components to slide when sliding, facilitating the adjustment of the position of the electrical components in the electrical switch cabinet 1, facilitating the connection and use.

[0028] Meanwhile, in the embodiment, the elastic piece 7 is a compression spring sleeved on the connecting rod 4, the two ends of the compression spring are respectively abutted against the side wall of the mounting frame 16 and the end face of the locking piece 6 away from the rotating piece 5.

[0029] In order to facilitate the relative rotation between the rotating piece 5 and the connecting rod 4 to be more smooth, a bearing 19 is arranged between the rotating piece 5 and the connecting rod 4, at the same time, the connecting rod 4 is provided with a limiting piece 20 at both ends through threaded connection for limiting the bearing 19 and the rotating piece 5 from being separated from the connecting rod 4.

[0030] Working principle:

[0031] In the embodiment, the rotating piece 5 at both ends of the connecting rod 4 is arranged on the slide rail 2 on the electrical switch cabinet 1 and locked by the locking piece 6; at this time, the electrical components can be installed in the mounting groove 18, and the wires are inserted into the first wire passing through channel and the second wire passing through channel, when it is needed to pass out the connected electrical components, it is inserted out from the first passing-out hole 8 and the second passing-out hole 10 corresponding to the position, and then the electrical components are connected; at this time, if it is needed to adjust the overall position of the connecting rod 4 and the electrical components arranged thereon, the staff can first control the second rotating screw 14 and the locking nut 15 to make them no longer clamp the slide rail 2, and then rotate the first rotating screw 13 to make the lower end no longer abut against the locking piece 6, at this time, the staff can control the locking piece 6 to move away from the rotating piece 5, so that it no longer cooperates with the rotating piece 5 to limit the rotation, and the staff can control the connecting rod 4 to slide back and forth on the slide rail 2, and then adjust the position in the electrical switch cabinet 1.

[0032] The above-described embodiments are merely illustrative for the application and any modification, change, or improvement made by any person skilled in the art with the application shall fall within the scope of the patent claimed by the application, and are not limited to the embodiments disclosed.

Claims

1. A connector for an electrical switchgear, characterized in that: The device includes a connecting rod, a rotating component rotatably disposed at both ends of the connecting rod for cooperating with a switch cabinet to drive the connecting rod to slide on the switch cabinet, a locking component slidably disposed at both ends of the connecting rod for cooperating with the rotating component to restrict the rotation of the rotating component, and an elastic component disposed between the connecting rod and the locking component for driving the locking component to slide towards the rotating component and cooperating with the rotating component. The connecting rod has a first wire passing channel for wires to pass through, and the side wall of the connecting rod has a first through hole connected to the first wire passing channel for wires to exit. The locking component is provided with a fixing device for cooperating with the switch cabinet to fix the rotating component. A guide rod is provided on the lower side of the connecting rod. The guide rod has a second guide passage channel for the guide wire to pass through, and a second exit hole connected to the second guide passage channel for the guide wire to exit. The fixing device includes a fixing sleeve sleeved on the locking member. The fixing sleeve is provided with a first rotating screw whose lower end face penetrates into the fixing sleeve and abuts against the side wall of the locking member. The first rotating screw penetrates into the fixing sleeve and abuts against the side wall of the locking member, thereby restricting the relative sliding of the locking member relative to the fixing sleeve. The fixing sleeve is provided with second rotating screws whose lower ends protrude from the fixing sleeve on both sides. The lower ends of the second rotating screws protrude from the fixing sleeve and are detachably provided with locking nuts by threaded connection for cooperating with the switch cabinet to lock the fixing sleeve onto the switch cabinet. Both the locking member and the rotating member have meshing teeth on their respective end faces that are close to each other. When the meshing teeth are engaged, the locking member and the rotating member restrict each other from rotating.

2. A connector for an electrical switchgear according to claim 1, characterized in that: The guide rod is provided with a placement notch for the guide rod to be inserted laterally into the passage of the second guide rod.

3. A connector for an electrical switchgear according to claim 1, characterized in that: The inner sidewall of the fixed sleeve is provided with a sliding protrusion, and the sidewall of the locking member is provided with a sliding groove that cooperates with the sliding protrusion to allow the locking member to slide within the fixed sleeve. When the lower end of the first rotating screw is inserted into the fixed sleeve, the lower end face abuts against the upper end face of the sliding protrusion.

4. A connector for an electrical switchgear according to claim 3, characterized in that: The connecting rod is provided with a mounting bracket, and the mounting bracket is provided with a mounting plate for installing electrical components.

5. A connector for an electrical switchgear according to claim 4, characterized in that: The mounting plate has at least one mounting slot for mounting electrical components.

6. A connector for an electrical switchgear according to claim 3, characterized in that: The elastic element is a compression spring sleeved on the connecting rod, with its two ends abutting against the side wall of the mounting bracket and the end face of the locking element away from the rotating element, respectively.

7. A connector for an electrical switchgear according to claim 1, characterized in that: A bearing is provided between the rotating component and the connecting rod. Both ends of the connecting rod are provided with limiting components to prevent the bearing and the rotating component from disengaging from the connecting rod via threaded connections.

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