CN219477360U - Household grid-connected box - Google Patents

Abstract

The utility model discloses a household grid-connected box, which comprises a grid-connected box, a box door arranged on the front side of the grid-connected box and a mounting rack for mounting an electrical element plate, wherein the mounting rack is arranged in the inner cavity of the grid-connected box, the box door is rotationally connected with the grid-connected box through a connecting shaft, two groups of threaded rods are rotationally connected to the inner wall of the grid-connected box, the outer side ends of the two groups of threaded rods and the outer side of the connecting shaft are fixedly sleeved with bevel gears meshed with each other, the front side of the mounting rack is fixedly connected with a plurality of groups of clamping seats, the outer side of the clamping seats is rotationally connected with a telescopic rod, and the inner side end of the telescopic rod is fixedly connected with a clamping block for extruding the electrical element plate on the front side of the mounting rack. According to the utility model, after the box door is opened, the electric element plate on the front surface of the mounting frame is synchronously driven to outwards move by the transmission structure, so that the electric element plate is pushed to the outer side of the grid-connected box, thereby being convenient for a worker to overhaul and maintain, and having obvious practical effect and portability improvement.

Description

Household grid-connected box

Technical Field

The utility model relates to the field of grid-connected boxes, in particular to a household grid-connected box.

Background

As is well known, the photovoltaic grid-connected box is a power distribution device for connecting a photovoltaic power station and a power grid, and is mainly used as a boundary between the photovoltaic power station and the power grid, and the photovoltaic grid-connected box is suitable for alternating current 50Hz of power users such as a centralized ground, a series ground, a distributed ground and the like, and a power distribution system with rated working voltage of 380V and rated working current of 2000A is used for power conversion, distribution and control of power, illumination and power distribution equipment.

The built-in components and parts and circuits of the photovoltaic grid-connected box are all installed on an internal component installation plate, when the built-in components and parts of the grid-connected box are overhauled and maintained, a worker overhauls the built-in components and parts by opening a front door of the grid-connected box, but certain inconvenience still exists when the existing components and parts are overhauled, and because the electric appliance board is installed in the grid-connected box, the space in the grid-connected box is limited, and therefore, when overhauling and maintaining, particularly under the condition of poor light, the operator overhauls and maintains the electric appliance board, so that the inconvenience is brought.

Disclosure of Invention

The utility model designs the household grid-connected box, so as to solve the problems in the prior art.

The utility model adopts the following technical scheme:

the utility model provides a household grid-connected box, includes grid-connected box and sets up in the positive chamber door of grid-connected box, still includes the mounting bracket to electrical component board installation, the mounting bracket sets up in grid-connected box inner chamber, and the chamber door passes through the connecting axle and is connected with through rotating between the grid-connected box, the inner wall that grid-connected box just to the chamber door rotates and is connected with two sets of threaded rods, two sets of the outside end of threaded rod and the outside of connecting axle all fixed cover are equipped with intermeshing's bevel gear, the positive fixedly connected with multiunit cassette of mounting bracket, the outside rotation of cassette is connected with the telescopic link, and telescopic link inboard end fixedly connected with extrudes electrical component board in the positive fixture block of mounting bracket.

Preferably, the grid-connected box corner position fixedly connected with engaging lug, and engaging lug can dismantle fixed connection with the external world through the fastener.

Preferably, the mounting frame is provided with an insulating rubber pad in contact fit with the inner side surface of the electric element plate in a positive fit manner.

Preferably, the connecting shaft is fixedly connected to the box door, and the connecting shaft is rotatably and penetratingly connected to the grid-connected box.

Preferably, one end of the connecting shaft is fixedly connected with a ratchet wheel, and the grid-connected box is fixedly connected with a pawl for meshing the ratchet wheel.

Preferably, the other end of the connecting shaft is fixedly connected with a fixed block, the fixed block is connected with the other side of the grid-connected box through a first coil spring, and the first coil spring is sleeved on the outer side of the connecting shaft.

Preferably, the telescopic link outside fixedly connected with axis of rotation, axis of rotation rotate connect in cassette inner wall, and be connected with the second wind spring between telescopic link and the cassette, the outside of axis of rotation is located to the second wind spring cover.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through ingenious structural design, after a worker opens the door of the grid-connected box, the transmission structure is utilized to synchronously drive the electric element plate on the front surface of the built-in mounting frame to move outwards, so that the electric element plate is pushed to the outer side of the grid-connected box, a large enough space can be provided for the maintainer to operate, the opened door can be fixed through the ratchet wheel and the pawl, the maintenance of the worker is facilitated, the practical effect and portability are improved, and the electric element plate is worthy of popularization and use in the existing market.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of a cross-section of the grid-tie box of FIG. 1 in accordance with the present utility model;

fig. 3 is a schematic front view of the mounting structure of fig. 2 according to the present utility model.

In the figure: the device comprises a grid-connected box, a 101-connecting lug, 102-fasteners, a 2-box door, a 3-mounting frame, a 301-insulating rubber pad, a 4-electric element plate, a 5-connecting shaft, a 501-ratchet wheel, a 502-pawl, a 503-fixing block, a 504-first coil spring, a 6-threaded rod, a 7-bevel gear, an 8-clamping seat, a 801-rotating shaft, a 802-second coil spring, a 9-telescopic rod and a 10-clamping block.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a household grid-connected box comprises a grid-connected box 1 and a box door 2 arranged on the front side of the grid-connected box 1, and further comprises a mounting frame 3 for mounting an electrical element plate 4, wherein the mounting frame 3 is arranged in the inner cavity of the grid-connected box 1, the box door 2 is rotationally connected with the grid-connected box 1 through a connecting shaft 5, the grid-connected box 1 is rotationally connected with two groups of threaded rods 6 opposite to the inner wall of the box door 2, the two groups of threaded rods 6 are in threaded through connection with the mounting frame 3, the outer side ends of the two groups of threaded rods 6 and the outer side of the connecting shaft 5 are fixedly sleeved with bevel gears 7 which are meshed with each other, the front side of the mounting frame 3 is fixedly connected with a plurality of clamping seats 8, the outer side of the clamping seats 8 is rotationally connected with telescopic rods 9, and the inner side ends of the telescopic rods 9 are fixedly connected with clamping blocks 10 which extrude the electrical element plate 4 on the front side of the mounting frame 3. When the utility model is used, the box door 2 is opened through the rotation of the connecting shaft 5, and the bevel gear 7 at the outer side of the connecting shaft 5 is meshed with the bevel gear 7 at the outer side of the threaded rod 6, so that two groups of threaded rods 6 are driven to rotate reversely, and as the directions of the threads at the outer sides of the threaded rods 6 can be arranged reversely, the mounting frame 3 is driven by the threads to move outwards to the outer side of the grid-connected box 1, so that enough space is provided for workers to operate, the workers can conveniently carry out maintenance operation, and the influence of the small grid-connected box 1 on the workers is avoided.

The corner position of the grid-connected box 1 is fixedly connected with a connecting lug 101, and the connecting lug 101 is detachably and fixedly connected with the outside through a fastener 102, so that the grid-connected box 1 is fixedly installed near photovoltaic equipment.

Wherein, mounting bracket 3 openly laminating is provided with and contacts complex insulating rubber pad 301 with electrical component board 4 medial surface, telescopic link 9 outside fixedly connected with axis of rotation 801, and axis of rotation 801 rotates to be connected in cassette 8 inner wall, and is connected with second wind spring 802 between telescopic link 9 and the cassette 8, and the outside of axis of rotation 801 is located to second wind spring 802 cover. The electrical component board 5 is attached to the insulating rubber pad 301, and then the telescopic rod 9 and the clamping block 10 at the outer side end are driven to abut against the outer side of the electrical component board 5 under the elastic contraction force of the second coil spring 802, so that the electrical component board is fixed on the front surface of the insulating rubber pad 301. The clamping blocks 10 and the insulating rubber pads 301 are made of insulating rubber, so that insulating protection effects can be achieved on one hand, and abrasion of the contact surface with the electric element plate 4 can be reduced on the other hand. Of course, the telescopic rod 9 can be movably stretched, and then the electric element plate 4 is clamped and fixed at different positions on the front surface.

The connecting shaft 5 is fixedly connected to the box door 2, and the connecting shaft 5 is rotatably and penetratingly connected to the grid-connected box 1. One end of the connecting shaft 5 is fixedly connected with a ratchet 501, and the grid-connected box 1 is fixedly connected with a pawl 502 which is meshed with the ratchet 501. The other end of the connecting shaft 5 is fixedly connected with a fixed block 503, the fixed block 503 is connected with the other side of the grid-connected box 1 through a first coil spring 504, and the first coil spring 504 is sleeved outside the connecting shaft 5. When the ratchet 501 and the pawl 502 are released from being meshed, at this time, the elastic restoring force of the first coil spring 504 can drive the connecting shaft 5 and the box door 2 to rotate and open, then the pawl 502 is clamped on the ratchet 501 again to limit and fix the opening angle of the box door 2, and the inner wall of the box door 2 can be provided with an illuminating lamp, so that an auxiliary illumination effect is provided during maintenance.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

Claims (7)

1. The utility model provides a household grid-connected box, includes grid-connected box (1) and sets up in positive chamber door (2) of grid-connected box (1), still includes mounting bracket (3) to electric element board (4) installation, a serial communication port, mounting bracket (3) set up in grid-connected box (1) inner chamber, and chamber door (2) rotate between through connecting axle (5) and grid-connected box (1), grid-connected box (1) just is connected with two sets of threaded rods (6) to the inner wall rotation of chamber door (2), two sets of threaded rods (6) screw thread through connection mounting bracket (3), two sets of the outside end of threaded rods (6) and the outside of connecting axle (5) all fixed cover are equipped with intermeshing's bevel gear (7), the positive fixedly connected with multiunit cassette (8) of mounting bracket (3), the outside rotation of cassette (8) is connected with telescopic link (9), and telescopic link (9) inner end fixedly connected with extrudes electric element board (4) in positive fixture block (10) of mounting bracket (3).

2. The household grid-connected box according to claim 1, wherein the corner position of the grid-connected box (1) is fixedly connected with a connecting lug (101), and the connecting lug (101) is detachably and fixedly connected with the outside through a fastener (102).

3. A household grid-connected box according to claim 2, wherein the mounting frame (3) is provided with an insulating rubber pad (301) in contact fit with the inner side surface of the electrical component board (4) in a frontal fit manner.

4. A household grid-connected box according to claim 3, characterized in that the connecting shaft (5) is fixedly connected to the box door (2), and the connecting shaft (5) is rotatably and penetratingly connected to the grid-connected box (1).

5. A household grid-connected box according to claim 4, wherein one end of the connecting shaft (5) is fixedly connected with a ratchet wheel (501), and the grid-connected box (1) is fixedly connected with a pawl (502) which is meshed with the ratchet wheel (501).

6. The household grid-connected box according to claim 5, wherein the other end of the connecting shaft (5) is fixedly connected with a fixed block (503), the fixed block (503) is connected with the other side of the grid-connected box (1) through a first coil spring (504), and the first coil spring (504) is sleeved on the outer side of the connecting shaft (5).

7. The household grid-connected box according to claim 6, wherein a rotating shaft (801) is fixedly connected to the outer side of the telescopic rod (9), the rotating shaft (801) is rotatably connected to the inner wall of the clamping seat (8), a second coil spring (802) is connected between the telescopic rod (9) and the clamping seat (8), and the second coil spring (802) is sleeved on the outer side of the rotating shaft (801).