CN216530068U - Moisture-proof voltage switching device - Google Patents

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a moisture-proof voltage switching device which comprises a box body and a control panel, wherein the control panel is fixedly arranged on the front side of the box body, a circuit board is fixedly arranged at the bottom end inside the box body, an upper cover is rotatably arranged on the upper surface of the box body through a first rotating rod, a fan is fixedly arranged on the lower surface of the upper cover, a first fixed block is fixedly arranged on one side of the middle part of the box body, a second rotating rod is rotatably arranged on the inner side of the first fixed block, a rotating block is fixedly connected to the rod wall of the second rotating rod in a sleeved mode, a slot is formed in one side of the rotating block, a moisture absorption plate is inserted into the slot, a plurality of moisture absorption particles are filled into the moisture absorption plate, a base plate is fixedly arranged on the other side of the middle part of the box body, and the moisture absorption plate abuts against the upper surface of the base plate. The utility model has convenient assembly and disassembly and can quickly and conveniently replace the moisture absorption plate.

Description

Moisture-proof voltage switching device

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a moisture-proof voltage switching device.

Background

The voltage switching device is used for receiving a plurality of input voltages and outputting switching voltages, and in the prior art, the voltage switching device is commonly applied to mutual switching between two sections of buses in a power plant and a transformer substation.

Traditional voltage switching device leads to the fact electrical component to damage for preventing its inside to wet, leads to the groove and can install the moisture absorption board at its inside, and the moisture absorption board adopts a plurality of bolts to install fixedly usually among the present voltage switching device, and the inconvenient dismouting of device itself also leads to the moisture absorption board to change and wastes time and energy very much simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the moisture absorption plate is time-consuming and labor-consuming to mount and dismount, and is inconvenient to dismount and mount, so that the moisture absorption plate is inconvenient to replace, and provides a moisture-proof voltage switching device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a moisture-proof voltage switching device comprises a box body and a control panel, wherein the control panel is fixedly arranged on the front side of the box body, a circuit board is fixedly arranged at the bottom end inside the box body, an upper cover is arranged on the upper surface of the box body in a rotating mode through a first rotating rod, a fan is fixedly arranged on the lower surface of the upper cover, a first fixed block is fixedly arranged on one side of the middle of the box body, a second rotating rod is rotatably arranged on the inner side of the first fixed block, a rotating block is fixedly connected to the rod wall of the second rotating rod in a sleeved mode, a slot is formed in one side of the rotating block, a moisture absorption plate is inserted into the slot, a plurality of moisture absorption particles are filled in the moisture absorption plate, a backing plate is fixedly arranged on the other side of the middle of the box body and abuts against the upper surface of the backing plate, a pressure rod is fixedly arranged on the lower surface of one side of the upper cover, and the lower end of the pressure rod abuts against the moisture absorption plate, and one side of the box body is provided with a limiting mechanism.

Preferably, stop gear includes L type pole and third bull stick, the fixed two second fixed blocks that are provided with of right side inner wall of box, the third bull stick rotates and sets up between two second fixed blocks, the fixed upper end pole wall that connects in the third bull stick of L type pole, the left end inboard of L type pole offsets with the pole wall of depression bar, the fixed gear that has cup jointed of lower extreme of third bull stick, the fixed pressure bag that is provided with of lateral wall of box, the front side meshing of gear is provided with the rack bar, the one end of rack bar extend to the inside of pressing the bag and with pressure bag fixed connection.

Preferably, a torsion spring is movably sleeved on the rod wall of the second rotating rod, and two ends of the torsion spring are respectively and fixedly connected with the corresponding second rotating rod and the corresponding first fixing block.

Preferably, the rod wall of the rack rod is movably sleeved with a compression spring inside the pressing bag, and two ends of the compression spring are fixedly connected with the corresponding pressing bag and the box body respectively.

Preferably, the rack bar has a square cross section.

Preferably, the upper surface of the upper cover is provided with a plurality of heat dissipation holes.

Preferably, a plurality of dust screens are fixedly arranged inside the heat dissipation holes.

Compared with the prior art, the utility model provides a moisture-proof voltage switching device, which has the following beneficial effects:

this moisture-proof type voltage switching device, through pressing the pressure bag, with rack bar to the inboard promotion of box, drive gear revolve promptly, the gear drives the third bull stick and rotates, thereby it is rotatory and the depression bar separation to drive L type pole, make the upper cover lose spacingly promptly, can open the upper cover rotation, reset at torsion spring elasticity simultaneously, drive second bull stick counter-clockwise turning, drive rotatory piece counter-clockwise turning promptly, will absorb moisture the board rotation to vertical promptly, can take out the board that absorbs moisture from the rotatory piece, change, can be fast convenient change to the board that absorbs moisture.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device is convenient to mount and dismount and can quickly and conveniently replace the moisture absorption plate.

Drawings

Fig. 1 is a schematic structural diagram of a moisture-proof voltage switching device according to the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure: the device comprises a box body 1, a control panel 2, a first rotating rod 3, an upper cover 4, a circuit board 5, a fan 6, a first fixing block 7, a second rotating rod 8, a rotating block 9, a torsion spring 10, a moisture absorption screen plate 11, moisture absorption particles 12, a backing plate 13, a second fixing block 14, a third rotating rod 15, a 16L-shaped rod, a pressure rod 17, a gear 18, a rack rod 19, a pressing bag 20, a compression spring 21, heat dissipation holes 22 and a dust screen 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a moisture-proof voltage switching device, including box 1 and control panel 2, control panel 2 is fixed to be set up in the front side of box 1, the inside bottom mounting of box 1 is provided with circuit board 5, the upper surface of box 1 rotates through first bull stick 3 and is provided with upper cover 4, the lower fixed surface of upper cover 4 is provided with fan 6, a plurality of louvres 22 have been seted up to the upper surface of upper cover 4, improve the ventilation efficiency of box 1, the inside of a plurality of louvres 22 is all fixed and is provided with dust screen 23, prevent that the dust from the inside that louvre 22 got into box 1.

Referring to fig. 2, a first fixed block 7 is fixedly arranged on one side of the middle portion of the box body 1, a second rotating rod 8 is rotatably arranged on the inner side of the first fixed block 7, a rotating block 9 is fixedly sleeved on the rod wall of the second rotating rod 8, a torsion spring 10 is movably sleeved on the rod wall of the second rotating rod 8, two ends of the torsion spring 10 are respectively and fixedly connected with the corresponding second rotating rod 8 and the first fixed block 7, the torsion spring 10 drives the second rotating rod 8 to rotate anticlockwise under the natural state, i.e. the second rotating rod 8 drives the rotating block 9 to rotate anticlockwise, one side of the rotating block 9 is provided with a slot, a moisture absorption plate 11 is inserted into the slot, a plurality of moisture absorption particles 12 are filled in the moisture absorption plate 11, a backing plate 13 is fixedly arranged on the other side of the middle portion of the box body 1, the moisture absorption plate 11 abuts against the upper surface of the backing plate 13, a compression bar 17 is fixedly arranged on the lower surface of one side of the upper cover 4, the lower end of the pressure lever 17 is abutted against the moisture absorption plate 11, and one side of the box body 1 is provided with a limiting mechanism.

Referring to fig. 2-3, the limiting mechanism includes an L-shaped rod 16 and a third rotating rod 15, two second fixing blocks 14 are fixedly disposed on the right inner wall of the box body 1, the third rotating rod 15 is rotatably disposed between the two second fixing blocks 14, the L-shaped rod 16 is fixedly sleeved on the upper end rod wall of the third rotating rod 15, the inner side of the left end of the L-shaped rod 16 abuts against the rod wall of the pressing rod 17, the lower end of the third rotating rod 15 is fixedly sleeved with a gear 18, the outer side wall of the box body 1 is fixedly provided with a pressing bag 20, the front side of the gear 18 is engaged with a rack rod 19, one end of the rack rod 19 extends into the pressing bag 20 and is fixedly connected with the pressing bag 20, the rod wall of the rack rod 19 is movably sleeved with a compression spring 21 inside the pressing bag 20, two ends of the compression spring 21 are respectively fixedly connected with the corresponding pressing bag 20 and the box body 1, the compression spring 21 pushes the pressing bag 20 outwards in a natural state, the cross section of the rack rod 19 is square, the rack bar 19 is prevented from rotating, so that the rack bar 19 can stably slide.

In the utility model, when in use, the blowing clamp of the fan 6 ensures the air circulation inside the box body 1, and the moisture absorption plate 11 absorbs the moisture in the air inside the box body, thereby ensuring the interior of the box body 1 to be dry, when the moisture absorption plate 11 needs to be replaced, a worker presses the pressing bag 20 to push the rack bar 19 to the inner side of the box body 1, namely, the gear 18 is driven to rotate, the gear 18 drives the third rotating rod 15 to rotate, thereby driving the L-shaped rod 16 to rotate and separate from the pressure rod 17, namely, the upper cover 4 is not limited, the upper cover 4 can be rotated to be opened, meanwhile, the torsion spring 10 is elastically reset to drive the second rotating rod 8 to rotate anticlockwise, drive rotatory piece 9 anticlockwise rotation promptly, be about to the board 11 rotation of absorbing damp to vertical, can take out the board 11 of absorbing damp from rotatory piece 9, change, can be fast convenient change labour saving and time saving to the board 11 of absorbing damp.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. A moisture-proof voltage switching device comprises a box body (1) and a control panel (2), and is characterized in that the control panel (2) is fixedly arranged on the front side of the box body (1), a circuit board (5) is fixedly arranged at the bottom end inside the box body (1), an upper cover (4) is rotatably arranged on the upper surface of the box body (1) through a first rotating rod (3), a fan (6) is fixedly arranged on the lower surface of the upper cover (4), a first fixing block (7) is fixedly arranged on one side of the middle part of the box body (1), a second rotating rod (8) is rotatably arranged on the inner side of the first fixing block (7), a rotating block (9) is fixedly sleeved on the rod wall of the second rotating rod (8), a slot is formed in one side of the rotating block (9), a moisture absorption plate (11) is inserted into the slot, a plurality of moisture absorption particles (12) are filled in the moisture absorption plate (11), the middle part opposite side of box (1) is fixed and is provided with backing plate (13), moisture absorption plate (11) offsets with the upper surface of backing plate (13), one side lower fixed surface of upper cover (4) is provided with depression bar (17), the lower extreme and the moisture absorption plate (11) of depression bar (17) offset, one side of box (1) is provided with stop gear.

2. Moisture-proof voltage switching device according to claim 1, characterized in that the limiting mechanism comprises an L-shaped lever (16) and a third turning lever (15), two second fixed blocks (14) are fixedly arranged on the inner wall of the right side of the box body (1), the third rotating rod (15) is rotatably arranged between the two second fixed blocks (14), the L-shaped rod (16) is fixedly sleeved on the upper end rod wall of the third rotating rod (15), the inner side of the left end of the L-shaped rod (16) is propped against the rod wall of the pressure rod (17), the lower end of the third rotating rod (15) is fixedly sleeved with a gear (18), the outer side wall of the box body (1) is fixedly provided with a pressing bag (20), the front side meshing of gear (18) is provided with rack bar (19), the one end of rack bar (19) extend to the inside of pressing bag (20) and with press bag (20) fixed connection.

3. The moisture-proof voltage switching device according to claim 1, wherein a torsion spring (10) is movably sleeved on the rod wall of the second rotating rod (8), and two ends of the torsion spring (10) are respectively and fixedly connected with the corresponding second rotating rod (8) and the corresponding first fixing block (7).

4. The moisture-proof voltage switching device according to claim 2, wherein a compression spring (21) is movably sleeved on the rod wall of the rack rod (19) and inside the pressing bag (20), and two ends of the compression spring (21) are respectively and fixedly connected with the corresponding pressing bag (20) and the box body (1).

5. Moisture-tight voltage switching device according to claim 2, characterized in that the rack bar (19) is square in cross-section.

6. The moisture-proof voltage switching device according to claim 1, wherein the upper surface of the upper cover (4) is formed with a plurality of heat dissipation holes (22).

7. The moisture-proof voltage switching device according to claim 6, wherein a dust screen (23) is fixedly disposed inside each of the plurality of heat dissipation holes (22).

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