CN114498311A - Power distribution cabinet lead wire device and power distribution cabinet - Google Patents

Abstract

The invention provides a power distribution cabinet lead device and power distribution cabinet, including a power distribution cabinet body, a protective cabinet door, a sealing lock, a support leg, a counterweight bottom plate, a top shell, a wire distribution guide plate assembly, a lead wire winding wheel assembly, a wire temporary Constraint clip assemblies, guide shafts, stop pins, retractable springs, restraint nuts, lead hooks, lead loops, lead through holes and pull wires. In the present invention, a lead hook is used to hook one end of the cable, and the rotating handle is held in hand to rotate clockwise, so as to drive the winding wheel to rotate, so as to introduce the cable into the lead through hole; However, under the action of the constraining nut, it will act as a limit block. Block the lead hook on the outside and untie the cable to complete the lead operation; when the cable is introduced, it will be clamped in the wire slot, and the spring clamp will be used to carry out Constrained and fixed, and then distributed to the interior of the longitudinal cable duct, the connection of electrical equipment located in the power distribution cabinet provides convenience.

Description

A power distribution cabinet lead device and power distribution cabinet

technical field

The invention belongs to the technical field of lead devices for power distribution cabinets, and in particular relates to a lead device for power distribution cabinets and a power distribution cabinet.

Background technique

Power distribution cabinets (boxes) are divided into power distribution cabinets (boxes), lighting distribution cabinets (boxes), and metering cabinets (boxes), which are the final equipment of the power distribution system. Power distribution cabinet is a general term for motor control center. The power distribution cabinet is used in situations where the load is relatively scattered and there are few circuits; the motor control center is used in the situations where the load is concentrated and there are many circuits. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This class of equipment shall provide protection, monitoring and control of the load.

The power distribution cabinet is a kind of equipment used to manage the power distribution in a centralized and effective manner in order to ensure the safe and stable operation of the power grid and to achieve reliable power supply to the outside world. It has the characteristics of stability, reliability and high space utilization, so it is widely used in power grid systems.

During power connection and installation, it is necessary to connect the wires outside the power distribution cabinet to the electrical appliances inside the power distribution cabinet through the threading holes of the power distribution cabinet. Since the power distribution cabinet is an electrical integrated device, there are many electrical devices inside, and there are many wires passing through the threading hole.

In addition, the Chinese patent publication number is CN113851936A, and the name of the invention is a power distribution cabinet lead device and a power distribution cabinet. The power distribution cabinet lead device includes an operation component, a return component and a lead component; wherein, the operation component includes a first rotating shaft The return component includes a second rotating shaft and a torsion spring, and the torsion spring can adjust the rotated second rotating shaft back to its initial position; the lead component includes a winding and a clamping component, and one end of the winding is wound on the first rotating shaft , the other end passes through the lead port of the power distribution cabinet and is wound on the second rotating shaft, and the wire clamping component is arranged on the winding wire. However, the existing power distribution cabinet lead device still has the problems that it is inconvenient to divide and fix different lines, the introduction of wires is laborious, and the installation of wire restraint is inconvenient.

In view of this, it is very necessary to invent a power distribution cabinet lead-in device and a power distribution cabinet.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a power distribution cabinet lead-in device and a power distribution cabinet, so as to solve the problem that the existing power distribution cabinet lead-in device is inconvenient for different lines to be divided and fixed, the introduction of wires is laborious, and the installation of wire constraints is not easy. Handy question.

A power distribution cabinet feeder and power distribution cabinet, comprising a power distribution cabinet body, a protective cabinet door, a sealing lock, a support leg, a counterweight bottom plate, a top shell, a wire branch guide plate assembly, a lead wire winding wheel assembly, and a wire temporary restraint clip assembly , guide shaft, limit pin, telescopic spring, restraint nut, lead hook, lead ring, lead through hole and traction wire, the hinge hinge of the protective cabinet door is connected to the middle position of the front of the power distribution cabinet; the The sealing lock is embedded in the middle position of the inner right side of the protective cabinet door; the supporting legs are respectively screwed to the lower four corners of the power distribution cabinet; the counterweight bottom plate is bolted to the inner lower side of the power distribution cabinet The top shell is integrally die-cast on the upper part of the power distribution cabinet; the distribution guide plate assembly is screwed on the lower side of the inner rear wall of the power distribution cabinet; the lead winding wheel assembly is embedded in the distribution cabinet. the upper right position of the weight base plate; the wire temporary restraint clip assembly is embedded in the middle position of the upper front side of the counterweight base plate; the guide shaft is arranged inside the lead through hole and is inlaid with the counterweight base plate;

The limit pin is embedded in the lower left position of the counterweight base plate; the telescopic spring screw is connected to the lower middle position of the counterweight base plate; the constraining nut is welded on the upper left side of the telescopic spring; the The lead hook is riveted on the lower end of the traction wire; the wire loop is welded on the upper right side of the counterweight base plate; the lead wire through hole is opened at the upper middle position of the counterweight base plate; the traction wire penetrates the restraint nut and the lead wire The through hole is connected to the lead winding wheel assembly.

Preferably, the wire-splitting guide plate assembly includes a horizontal wire-splitting board, a wire-trap slot, a longitudinal wire-clamping tube and a spring clamping sheet, and the wire-trap slot is laterally opened in the middle of the front of the horizontal wire-splitting plate; The longitudinal wire clamping tube is inlaid on the upper part of the horizontal distribution plate; the spring clamping pieces are respectively riveted and arranged with the transverse distribution plate and the longitudinal wire clamping tube.

Preferably, the lead wire winding wheel assembly comprises a protective tube, a bearing base, a bearing cover, a rotating shaft, a wire winding wheel, a rotating wheel disc and a rotating handle, and the protective tube is threadedly connected to the upper position of the bearing base; The bearing upper cover is threadedly connected to the upper end of the protective tube; the rotating shaft penetrates the bearing upper cover and is inserted at the inner middle position of the bearing base; the wire winding wheel is sleeved at the middle position of the outer surface of the rotating shaft; The rotating wheel is connected to the upper end of the rotating shaft with a transverse bolt; the rotating handle is embedded in the upper right position of the rotating wheel.

Preferably, the wire temporary constraining clip assembly includes a flexible connecting tube, a riveting hole and a constraining clip body, and the riveting hole is opened at a lower middle position of the flexible connecting tube; the constraining clip body is axially connected to the flexible connecting tube. The upper end of the sex connection tube.

Preferably, the horizontal distribution board is connected with the power distribution cabinet by screws; the spring clamping sheet is specifically an arc-shaped spring sheet.

Preferably, a lead through hole is provided on the lower left side of the protective tube.

Preferably, the bearing base is inlaid with the counterweight bottom plate.

Preferably, the flexible connecting pipe is riveted to the counterweight bottom plate through a riveting hole.

Preferably, the traction wire sequentially passes through the restraint nut, the lead through hole, the lead wire loop and the lead through hole to be wound and connected to the winding wheel.

Preferably, the rotating handle specifically adopts an insulating rubber handle.

Compared with the prior art, the beneficial effects of the present invention are:

When in use, place the power distribution cabinet in the use position and fix it with bolts. Install the electrical equipment inside the power distribution cabinet. When the cable needs to be pulled, hook one end of the cable with the lead hook, and rotate The handle rotates clockwise, thereby driving the winding wheel to rotate, so as to wind the traction wire on the outer surface of the winding wheel, so as to introduce the cable into the lead through hole;

During this process, the telescopic spring will be stretched, but under the action of the constraining nut, it will act as a limit block, blocking the lead hook on the outside. When the cable is located at the lower part of the lead through hole, the lead can be completed by unfastening it. operate;

In order to understand the convenience, the restraint nut is clamped on the inner side of the limit nail to play a blocking role, which increases the convenience and flexibility of operation; amount of labor;

After the cable is introduced, it is clamped in the wire slot, and is constrained and fixed by the spring clip, and then distributed to the inside of the longitudinal cable tube, which provides convenience for the connection of electrical equipment in the power distribution cabinet.

Description of drawings

FIG. 1 is a schematic structural diagram of the closed state of the protective cabinet door of the present invention.

2 is a schematic structural diagram of the open state of the protective cabinet door of the present invention.

3 is a schematic top view of the structure of the counterweight base plate of the present invention.

FIG. 4 is a schematic view of the bottom structure of the counterweight base plate of the present invention.

FIG. 5 is a schematic view of the structure of the wire splitting guide plate assembly of the present invention.

FIG. 6 is a schematic view of the structure of the lead winding wheel assembly of the present invention.

FIG. 7 is a schematic structural diagram of the wire temporary restraint clip assembly of the present invention.

In the picture:

1. Power distribution cabinet; 2. Protective cabinet door; 3. Sealed lock; 4. Supporting legs; 5. Counterweight bottom plate; 6. Top shell; 7. Distribution guide plate assembly; 71. Horizontal distribution board; Wire slot; 73, longitudinal wire tube; 74, spring clamping piece; 8, lead winding wheel assembly; 81, protective tube; 811, lead wire perforation; 82, bearing base; 83, bearing cover; 84, rotating shaft ; 85, winding wheel; 86, rotating wheel; 87, rotating handle; 9, wire temporary restraint clamp assembly; 91, flexible connecting pipe; 92, riveting hole; 93, restraint clamp body; 10, guide shaft; 11. Limiting nail; 12. Telescopic spring; 13. Constraining nut; 14. Lead hook; 15. Conductor ring; 16. Lead through hole; 17. Pull wire.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

Example:

As shown in Figures 1 to 4, the present invention provides a power distribution cabinet lead-in device and a power distribution cabinet, including a power distribution cabinet body 1, a protective cabinet door 2, a sealing lock 3, a support leg 4, and a counterweight bottom plate 5 , top shell 6, wire-splitting guide plate assembly 7, wire winding wheel assembly 8, wire temporary restraint clip assembly 9, guide shaft 10, limit pin 11, telescopic spring 12, restraint nut 13, wire hook 14, wire loop 15, lead wire The through hole 16 and the pulling wire 17, the hinge hinge of the protective cabinet door 2 is connected to the middle position of the front part of the power distribution cabinet 1; the sealing lock 3 is embedded in the middle position of the inner right side of the protective cabinet door 2; The supporting legs 4 are respectively screwed to the lower four corners of the power distribution cabinet 1; the counterweight bottom plate 5 is screwed to the inner lower position of the power distribution cabinet 1; the top shell 6 is integrally die-casted On the upper part of the power distribution cabinet 1; the wire distribution guide plate assembly 7 is screwed on the lower side of the inner rear wall of the power distribution cabinet 1; the lead winding wheel assembly 8 is embedded in the upper right side of the counterweight base plate 5 side position; the wire temporary restraint clip assembly 9 is embedded in the middle position of the upper front side of the counterweight base plate 5; the guide shaft 10 is arranged inside the lead wire through hole 16 and is inlaid with the counterweight base plate 5;

The limit pin 11 is embedded in the lower left position of the counterweight base plate 5; the telescopic spring 12 is screwed to the lower middle position of the counterweight base plate 5; the restraint nut 13 is welded to the upper part of the telescopic spring 12 The left side; the lead hook 14 is riveted to the lower end of the traction wire 17; the lead wire ring 15 is welded on the upper right upper side of the counterweight base plate 5; the lead through hole 16 is opened in the upper middle of the counterweight base plate 5 Position; the traction wire 17 is connected to the lead wire winding wheel assembly 8 through the restraint nut 13 and the lead wire through hole 16 .

As shown in FIG. 5 , in the above-mentioned embodiment, the wire-splitting guide plate assembly 7 specifically includes a horizontal wire-splitting plate 71 , a wire clamping groove 72 , a longitudinal wire clamping tube 73 and a spring clamping piece 74 . The wire clamping slot 72 is horizontally opened at the front middle position of the horizontal distribution board 71; the longitudinal wire clamping tube 73 is embedded in the upper part of the horizontal distribution board 71; the spring clamping pieces 74 are respectively connected with the horizontal distribution board. 71 and the longitudinal clamping tube 73 are riveted to each other.

As shown in FIG. 6 , in the above embodiment, specifically, the lead wire winding wheel assembly 8 includes a protective tube 81 , a bearing base 82 , a bearing upper cover 83 , a rotating shaft 84 , a winding wheel 85 , and a rotating wheel disc 86 . and the rotating handle 87, the protective tube 81 is threadedly connected to the upper position of the bearing base 82; the bearing upper cover 83 is threadedly connected to the upper end of the protective tube 81; the rotating shaft 84 is inserted through the bearing upper cover 83 Connected to the inner middle position of the bearing base 82; the winding wheel 85 is sleeved at the middle position of the outer surface of the rotating shaft 84; The handle 87 is fitted on the upper right side of the rotary wheel 86 .

As shown in FIG. 7 , in the above embodiment, specifically, the wire temporary restraining clip assembly 9 includes a flexible connecting tube 91 , a riveting hole 92 and a restraining clip body 93 , and the riveting hole 92 is opened in the flexible connecting tube 91 . The lower middle position of the connecting pipe 91; the restraining clip body 93 is axially connected to the upper end of the flexible connecting pipe 91;

The flexible connecting pipe 91 is riveted to the counterweight base plate 5 through the riveting hole 92 .

In the above embodiment, specifically, the horizontal distribution board 71 is screwed to the power distribution cabinet 1; the spring clamping piece 74 is an arc-shaped spring piece.

In the above embodiment, specifically, the lower left side of the protection tube 81 is provided with a lead through hole 811 ; the bearing base 82 is inlaid with the counterweight base plate 5 .

In the above-mentioned embodiment, specifically, the traction wire 17 penetrates through the restraint nut 13, the lead through hole 16, the wire loop 15 and the lead through hole 811 in order to be wound and connected with the winding wheel 85; the rotating handle 87 is specifically Insulated rubber grip.

working principle

When the present invention is in use, the power distribution cabinet 1 is placed at the use position and fixed with bolts, and the electrical equipment is installed inside the power distribution cabinet 1. When the cable needs to be pulled, the cable is hooked with the lead hook 14 At one end, hold the rotating handle 87 to rotate clockwise, thereby driving the winding wheel 85 to rotate, thereby wrapping the traction wire 17 on the outer surface of the winding wheel 85, thereby introducing the cable into the lead through hole 16;

During this process, the telescopic spring 12 will be stretched, but under the action of the constraining nut 13, it will act as a limiting block, blocking the lead hook 14 on the outside. The lead operation can be completed;

In order to understand the convenience, the restraining nut 13 is clamped on the inner side of the limit pin 11 to play a blocking role, which increases the convenience and flexibility of operation; under the action of the guide shaft 10, it reduces the friction with the traction wire 17. the role of reducing labor;

After the cable is introduced, it is clamped in the wire slot 72, and is constrained and fixed by the spring clamping piece 74, and then distributed to the interior of the longitudinal clamping tube 73, which is located in the power distribution cabinet 1 to provide convenience for the connection of electrical equipment.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A power distribution cabinet lead device, characterized in that, the power distribution cabinet lead device comprises a power distribution cabinet body (1), a counterweight bottom plate (5), a top shell (6), and a branching guide plate assembly (7) , lead winding wheel assembly (8), wire temporary restraint clip assembly (9), guide shaft (10), limit pin (11), expansion spring (12), restraint nut (13), lead hook (14), wire The ring (15), the lead through hole (16) and the traction wire (17), the hinge hinge of the protective cabinet door (2) is connected to the front middle position of the power distribution cabinet (1); the counterweight The bottom plate (5) is bolted to the inner lower side of the power distribution cabinet (1); the top shell (6) is integrally die-cast on the upper part of the power distribution cabinet (1); the line distribution guide plate assembly ( 7) The screw is connected to the lower position of the inner rear wall of the power distribution cabinet (1); the lead wire winding wheel assembly (8) is embedded in the upper right position of the counterweight base plate (5); the wire is temporarily restrained The clip assembly (9) is inlaid in the middle position of the upper front side of the counterweight base plate (5); the guide shaft (10) is arranged inside the lead through hole (16) and is inlaid with the counterweight base plate (5); The limit pin (11) is embedded in the lower left position of the counterweight base plate (5); the expansion spring (12) is screwed in the lower middle position of the counterweight base plate (5); the restraint nut (13) is welded on the upper left side of the telescopic spring (12); the lead hook (14) is riveted on the lower end of the pulling wire (17); the wire loop (15) is welded on the bottom of the counterweight base plate (5). The upper right side of the upper part; the lead through hole (16) is opened in the upper middle position of the counterweight base plate (5); the traction wire (17) penetrates through the restraint nut (13) and the lead through hole (16) and is wound with the lead The wheel assemblies (8) are connected. 2. The power distribution cabinet lead-in device according to claim 1, characterized in that, the wire distribution guide plate assembly (7) comprises a horizontal wire distribution plate (71), a wire clamping groove (72), a longitudinal wire clamping tube ( 73) and a spring clamping piece (74), the wire clipping slot (72) is horizontally opened at the front middle position of the horizontal branch plate (71); the longitudinal wire clipping tube (73) is embedded in the horizontal branch The upper part of the wire plate (71); the spring clamping pieces (74) are respectively riveted to the transverse wire dividing plate (71) and the longitudinal wire clamping tube (73). 3. The power distribution cabinet lead wire device according to claim 1, characterized in that, the lead wire winding wheel assembly (8) comprises a protective tube (81), a bearing base (82), a bearing upper cover (83), a rotating The shaft (84), the winding wheel (85), the rotating wheel disc (86) and the rotating handle (87), the protection tube (81) is screwed on the upper position of the bearing base (82); the bearing The upper cover (83) is threadedly connected to the upper end of the protective tube (81); the rotating shaft (84) penetrates the bearing upper cover (83) and is inserted into the inner middle position of the bearing base (82); the thread winding wheel (85) is sleeved at the middle position of the outer surface of the rotating shaft (84); the rotating wheel plate (86) is connected to the upper end of the rotating shaft (84) by transverse bolts; the rotating handle (87) is embedded in the rotating shaft (84) The upper right position of the wheel (86). 4. The power distribution cabinet lead wire device according to claim 1, characterized in that, the wire temporary restraining clip assembly (9) comprises a flexible connecting pipe (91), a riveting hole (92) and a restraining clip body (93) ), the riveting hole (92) is opened at the lower middle position of the flexible connecting pipe (91); the restraining clip body (93) is axially connected to the upper end of the flexible connecting pipe (91). 5. The power distribution cabinet lead-in device according to claim 2, characterized in that, the horizontal distribution board (71) is screwed to the power distribution cabinet body (1); the spring clamping piece ( 74) Specifically, arc-shaped spring sheets are used. 6. The lead wire device of a power distribution cabinet according to claim 3, characterized in that, a lead through hole (811) is provided on the lower left side of the protective tube (81). 7. The power distribution cabinet lead-in device according to claim 3, characterized in that, the bearing base (82) is inlaid with the counterweight base plate (5); the rotating handle (87) is specially insulated rubber grip. 8. The power distribution cabinet lead-in device according to claim 4, wherein the flexible connecting pipe (91) is riveted to the counterweight base plate (5) through the riveting hole (92). 9. The power distribution cabinet lead wire device according to claim 1, characterized in that, the pull wire (17) penetrates through the restraint nut (13), the lead wire through hole (16), the wire loop (15) and the lead wire through hole in sequence (811) is wound and connected with the winding wheel (85). 10. A power distribution cabinet, characterized in that the power distribution cabinet body (1) further comprises a protective cabinet door (2), a sealing lock (3), a support leg (4), a counterweight bottom plate (5) and The top shell (6), the sealing lock (3) is embedded in the inner right middle position of the protective cabinet door (2); the supporting legs (4) are respectively screwed to the lower part of the power distribution cabinet (1) Four corner positions.

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