CN115603190A - Power distribution cabinet capable of automatically opening umbrella in rainy days based on gravity principle - Google Patents

Abstract

The invention provides a power distribution cabinet that can automatically open umbrellas in rainy weather based on the principle of gravity, relates to the technical field of power distribution cabinets, and includes: a cabinet body, the front side of which is an opening structure, and a swing door is arranged in the opening structure for rotation The middle of the top of the cabinet is integrally provided with a bearing pipe; the storage channel shell is fixedly arranged above the outer side of the cabinet body; The rainwater will fall into the storage channel shell, which increases the storage area and improves the collection efficiency. The rainwater on the top of the cabinet passes through the spherical filter and enters the water inlet pipe, which increases the weight of the water tank. The gravity exerted downward continues to increase, so that The lowering of the water tank drives the main rod down. Under the premise that the position of the hinge sleeve remains unchanged, the umbrella rib is stretched through the support rod to unfold the umbrella cloth as a whole. Otherwise, it can be closed automatically, which solves the problem that the existing power distribution cabinet can automatically apply the weight. There is a problem with the trigger function of the parachute.

Description

Power distribution cabinet with automatic umbrella opening under rainy conditions based on the principle of gravity

technical field

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet that automatically opens umbrellas under rainy conditions based on the principle of gravity.

Background technique

In rainy days, if the outdoor power distribution cabinet is soaked in rainwater for a long time, it is easy to rust and corrode, which will accelerate the damage of the power distribution cabinet. Now, the umbrella structure that increases the weight through rainwater and then automatically unfolds is used to realize the protection of the power distribution cabinet. , in order to protect the distribution cabinet.

The currently used power distribution cabinets that can automatically open the parachute have the following disadvantages:

1. The collection efficiency of the current power distribution cabinet is insufficient, and it lacks the trigger function that can automatically apply the weight to open the umbrella, which is not conducive to maintaining the rapid opening of the umbrella in rainy days;

2. Lack of air circulation dehumidification function that can be automatically triggered when the umbrella is opened through the trigger structure;

3. Lack of a sealing structure that automatically opens when the air circulates.

Contents of the invention

In view of this, the present invention provides a power distribution cabinet for automatically opening umbrellas under rainy conditions based on the principle of gravity, which has an automatic umbrella and a water tank, provides an unfolding structure that can be automatically triggered by a counterweight, and uses the weight of rainwater to open the umbrella .

The invention provides a power distribution cabinet for automatically opening an umbrella under rainy conditions based on the principle of gravity, specifically comprising: a cabinet body, the front side of the cabinet body is an opening structure, and a swing door is installed in the opening structure; the middle of the top of the cabinet body The integrated type is equipped with a load-bearing pipe; the storage channel shell is fixedly arranged above the outer side of the cabinet body; Set on both sides of the top of the cabinet; fixed box, the number of the fixed box is set to two groups, the fixed box is fixed on the inner top corner of the cabinet, and the telescopic air rod A and the fixed box set the pipeline through the cabinet Connected; water tank, the two sides of the water tank are slidably arranged inside the cabinet body with guide rails; cross-arm board, the cross-arm board is fixedly arranged above the inner side of the cabinet body; automatic umbrella, the automatic umbrella is composed of main rod, umbrella It is composed of ribs, umbrella cloth, support rods and hinged sleeves, and the hinged sleeves are arranged on the top of the bearing tube to rotate with tapered roller bearings.

Optionally, the cabinet body also includes: a wedge-shaped cover, two opening structures are arranged under both sides of the cabinet body, a wedge-shaped cover is fixed outside the opening structure, and the bottom of the wedge-shaped cover is set as an opening structure; the inside of the wedge-shaped cover is fixed Dehumidifying cotton is provided; guide strips are fixedly arranged on the top of the cabinet.

Optionally, the storage channel shell includes: a spherical filter screen, the sides of the storage channel shell turn upwards, the top surface of the storage channel shell is lower than the top surface of the cabinet, and a spherical filter is fixedly arranged above the front side of the storage channel shell. network.

Optionally, the telescopic air rod A includes: a closed plate, the telescopic end of the telescopic air rod A is fixedly provided with a closed plate, and the closed plate is fitted and slidably arranged on the outside of the guide bar; It is a semi-cylindrical sleeve structure, and the semi-cylindrical sleeve structure can be fastened on the outside of the bearing tube.

Optionally, the fixed box includes: gas telescopic rods B, two groups of gas telescopic rods B are hingedly arranged on the adjacent surfaces of the fixed boxes on both sides, and the telescopic ends of the gas telescopic rods B are hingedly arranged on the top of the water tank; The rod B is connected with the fixed box by setting the pipeline; the spring rod, the bottom of the fixed box is fixed with the spring rod, the bottom of the spring rod is fixed with the cross-arm rod, and the cross-arm rod is fixed on the inner side of the cabinet; the two sides of the water tank are installed There is a lug structure, the lug structure is slidably arranged on the outside of the spring rod, and the outside of the spring rod below the lug structure is sleeved with a spring.

Optionally, the water tank includes: a water inlet pipe, the front side of the water tank is connected with a water inlet pipe, the water inlet pipe passes through the top of the cabinet and communicates with the housing channel shell, and the connection part is wrapped in a spherical filter; the water outlet pipe, the water tank The rear side of the bottom of the cabinet is connected with an outlet pipe, the rear end of the outlet pipe is connected with a splash guard, and the splash guard is fixed on the rear side of the cabinet; the lower side of the splash guard is an open surface.

Optionally, the cross-arm board includes: a transmission motor, and a transmission motor is fixedly arranged on the rear side of the bottom of the cross-arm board; Fan blades; the top of the cabinet is provided with fan-shaped holes, and the fan-shaped holes are aligned with the rotating fan blades; the transmission motor and the rotary sleeve are connected by bevel gear transmission.

Optionally, the middle and lower section of the main body of the main rod is a hexagonal structure, and the hexagonal structure is slidably arranged in the rotating sleeve; the top of the main rod is hingedly provided with an umbrella rib, and the umbrella cloth is fixedly arranged outside the umbrella rib, and the middle of the umbrella rib A support rod is hingedly arranged, and the umbrella rib is hingedly arranged outside the hinge sleeve; the hinge sleeve slides outside the hexagonal structure; the bottom end of the main rod cooperates with the bearing to rotate and is arranged in the water tank.

Optionally, a proximity switch is fixedly installed on the top of the cross arm, and the proximity switch is connected to the transmission motor; when the water tank is lowered, it can touch the proximity switch, and the transmission motor is triggered to start when the water tank touches the proximity switch.

Beneficial effect

1. Set up a water tank, which provides a trigger function for opening the umbrella with the appropriate weight. When it rains, the rainwater will fall into the storage channel shell. The storage channel shell increases the storage area and improves the collection efficiency. The rainwater on the top of the cabinet passes through The spherical filter screen enters the water inlet pipe, increases the weight of the water tank, and the gravity applied downward continues to lift, causing the water tank to descend, driving the main rod to descend. Under the premise that the position of the hinge sleeve remains unchanged, the umbrella rib is stretched through the support rod, and the umbrella cloth It can be unfolded as a whole, otherwise it can be closed automatically.

2. The setting of the fan blades provides a cycle dehumidification function. When the water tank is lowered, the proximity switch can be touched, and the transmission motor is triggered to start. The bevel gear drives the rotating sleeve and the rotating fan blades to rotate. At the same time, the automatic umbrella rotates as a whole to separate the rainwater centrifugally. The rotation of the rotating fan blades generates airflow, which discharges the air in the cabinet upwards, and the outside air enters the cabinet through the dehumidification cotton, and the internal humidity of the cabinet is reduced through circulation to achieve dehumidification.

3. The setting of the closing plate provides an automatic opening and closing function, the outlet pipe continues to drain water, and the drainage efficiency of the outlet pipe is lower than the water inlet efficiency of the water inlet pipe, ensuring that the water tank will not reset when it rains. When the water in the water tank is emptied, When the outside rain stops, the spring outside the spring rod lifts the water tank, and at the same time, the closing plates on both sides are closed to close the cabinet body to ensure that the airflow of the cabinet body stops circulating.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.

The drawings in the following description only relate to some embodiments of the present invention, but do not limit the present invention.

In the attached picture:

FIG. 1 shows a schematic diagram of a three-dimensional structure according to an embodiment of the present invention;

Fig. 2 shows a schematic diagram of a side elevation structure according to an embodiment of the present invention;

Fig. 3 shows a schematic diagram of a three-dimensional disassembled structure according to an embodiment of the present invention;

Fig. 4 shows a schematic diagram of a sideways disassembly structure according to an embodiment of the present invention;

Fig. 5 shows a schematic diagram of a sideways disassembly structure according to an embodiment of the present invention;

Fig. 6 shows a schematic diagram of a connection structure of a water tank according to an embodiment of the present invention;

Figure 7 shows a schematic diagram of the assembly structure of the cross-arm plate according to an embodiment of the present invention;

Figure 8 shows a schematic diagram of the overall structure of an automatic umbrella according to an embodiment of the present invention;

Fig. 9 shows a schematic diagram of a three-dimensional structure of a rotary sleeve according to an embodiment of the present invention;

FIG. 10 shows a schematic diagram of a partially enlarged structure of A according to an embodiment of the present invention.

List of reference signs

1. Cabinet body; 101. Rotating door; 102. Wedge-shaped cover; 103. Dehumidification cotton; 104. Carrying pipe; 105. Guide bar; , closed plate; 4, fixed box; 401, gas telescopic rod B; 402, spring rod; 403, cross-arm rod; 5, water tank; 501, water inlet pipe; 502, water outlet pipe; Support plate; 601, transmission motor; 602, rotating sleeve; 603, rotating fan blade; 7, automatic umbrella; 701, main rod; 702, umbrella bone; 703, umbrella cloth; 704, support rod; , Proximity switch.

detailed description

In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, terms used herein have their ordinary meanings in the art. The same reference numerals in the figures represent the same parts.

Embodiment: Please refer to Fig. 1 to Fig. 8 as shown:

The present invention proposes a power distribution cabinet for automatically opening umbrellas under rainy weather conditions based on the principle of gravity, including: a cabinet body 1, the front side of the cabinet body 1 is an opening structure, and a swing door 101 is installed in the opening structure; the top of the cabinet body 1 The middle is integrated with a bearing pipe 104; the storage channel shell 2 is fixedly arranged above the outer side of the cabinet body 1; Fixed on both sides of the top of the cabinet 1; fixed box 4, the number of fixed boxes 4 is set to two groups, fixed box 4 is fixed on the inner top corner of the cabinet 1, telescopic air rod A3 and fixed box 4 are set The pipeline passes through the cabinet body 1 and communicates; the water tank 5 and the two sides of the water tank 5 are slidably arranged inside the cabinet body 1 with the guide rails; Automatic umbrella 7 is made up of main rod 701, umbrella rib 702, umbrella cloth 703, support rod 704 and hinged sleeve 705, and hinged sleeve 705 is arranged on the top of carrying pipe 104 with the rotation of tapered roller bearing.

Wherein, the cabinet body 1 also includes: a wedge-shaped cover 102, two opening structures are arranged under both sides of the cabinet body 1, a wedge-shaped cover 102 is fixedly arranged outside the opening structure, and the bottom of the wedge-shaped cover 102 is set as an opening structure; the wedge-shaped cover 102 A dehumidifying cotton 103 is fixed inside; a guide bar 105 is fixedly installed on the top of the cabinet body 1 .

Among them, the storage channel shell 2 includes: a spherical filter screen 201, the side of the storage channel shell 2 turns upwards, the top surface of the storage channel shell 2 is lower than the top surface of the cabinet body 1, and the top of the front side of the storage channel shell 2 is fixed. Spherical filter 201.

Wherein, the telescopic air rod A3 includes: a closed plate 301, the telescopic end of the telescopic air rod A3 is fixedly provided with a closed plate 301, and the closed plate 301 is fitted and slidably arranged on the outside of the guide bar 105; It is set as a semi-cylindrical sleeve structure, and the semi-cylindrical sleeve structure can be snapped on the outside of the bearing tube 104 .

Among them, the fixed box 4 includes: gas telescopic rods B401, two groups of gas telescopic rods B401 are hingedly arranged on the adjacent surfaces of the fixed case 4 on both sides, and the telescopic ends of the gas telescopic rods B401 are hingedly arranged on the top of the water tank 5; B401 and the fixed box 4 are provided with pipeline communication; spring bar 402, the bottom of the fixed box 4 is fixedly provided with a spring bar 402, and the bottom of the spring bar 402 is fixedly provided with a cross-arm bar 403, and the cross-arm bar 403 is fixedly arranged on the inside of the cabinet body 1 ; The top of both sides of the water tank 5 is provided with a tab structure, the tab structure is slidably arranged on the outside of the spring bar 402, and the outside of the spring bar 402 below the tab structure is provided with a spring.

Wherein, the water tank 5 includes: a water inlet pipe 501, the front side of the water tank 5 is connected with a water inlet pipe 501, the water inlet pipe 501 passes through the top of the cabinet body 1 and communicates with the receiving channel shell 2, and the connection part is wrapped in the spherical filter screen 201; Outlet pipe 502, the bottom rear side of water tank 5 is connected with outlet pipe 502, and the rear end of outlet pipe 502 is connected with splash guard 503, and splash guard 503 is fixedly arranged on the rear side of cabinet body 1; The lower side is the open side.

Wherein, the cross-arm plate 6 includes: a transmission motor 601, the bottom rear side of the cross-arm plate 6 is fixedly provided with a transmission motor 601; The rotating fan blade 603 is fixedly installed; the top of the cabinet body 1 is provided with a fan-shaped hole, which is aligned with the rotating fan blade 603; the transmission motor 601 and the rotary sleeve 602 are connected by a bevel gear transmission.

Wherein, the middle and lower section of the main body of the main rod 701 is a hexagonal structure, and the hexagonal structure is slidably arranged in the rotating sleeve 602; The middle of the bone 702 is hingedly provided with a support rod 704, and the umbrella rib 702 is hingedly arranged on the outside of the hinged sleeve 705; the hinged sleeve 705 slides outside the hexagonal structure;

Wherein, the top of cross-arm bar 403 is fixedly provided with proximity switch 8, and proximity switch 8 connects drive motor 601;

first embodiment

As shown in the accompanying drawings, the present invention provides a power distribution cabinet for automatically opening umbrellas under rainy conditions based on the principle of gravity, which provides the function of automatically opening umbrellas;

The specific use and function of this embodiment: the water tank 5 includes: a water inlet pipe 501, the front side of the water tank 5 is connected with a water inlet pipe 501, and the water inlet pipe 501 passes through the top of the cabinet body 1 and communicates with the housing canal shell 2. Wrapped in the spherical filter screen 201; the outlet pipe 502 is connected to the rear side of the bottom of the water tank 5 with an outlet pipe 502, and the rear end of the outlet pipe 502 is connected with a splash guard 503, and the splash guard 503 is fixed on the bottom of the cabinet body 1 The rear side; the lower side of the splash guard 503 is an open surface; the middle and lower section of the main body of the main rod 701 is a hexagonal structure, and the hexagonal structure is slidably arranged in the rotating sleeve 602; the top of the main rod 701 is hingedly provided with an umbrella rib 702, Umbrella rib 702 is fixed with umbrella cloth 703 outside, and the middle of umbrella rib 702 is hingedly provided with support rod 704, and umbrella rib 702 is hingedly arranged on the outside of articulated sleeve 705; articulated sleeve 705 slides on the outside of hexagonal structure; The end fits the bearing to rotate and is arranged in the water tank 5;

When it rains, rainwater will fall into the storage channel shell 2, and the storage channel shell 2 increases the storage area, and the rainwater on the top of the cabinet 1 will fall into the storage channel shell 2, pass through the spherical filter screen 201 and enter the water inlet pipe 501 , and then input the water tank 5 from the water inlet pipe 501 to increase the weight of the water tank 5, so that the gravity exerted by the water tank 5 as a whole continues to increase. The rod 701 descends, and under the premise that the position of the hinge sleeve 705 remains unchanged, the umbrella rib 702 is stretched by the support rod 704, and the umbrella cloth 703 is unfolded as a whole.

second embodiment

As shown in the accompanying drawings, the present invention provides a power distribution cabinet that automatically opens umbrellas under rainy conditions based on the principle of gravity, which provides the function of triggering air circulation and dehumidification;

The specific use and function of this embodiment: the cabinet body 1 also includes: a wedge-shaped cover 102, two opening structures are arranged under both sides of the cabinet body 1, and the wedge-shaped cover 102 is fixedly arranged outside the opening structure, and the bottom of the wedge-shaped cover 102 It is set as an open structure; the wedge-shaped cover 102 is fixedly provided with dehumidifying cotton 103; the guide bar 105 is fixedly arranged on the top of the cabinet body 1; The transmission motor 601 is fixedly installed on the side; the rotating sleeve 602 is installed in the middle of the cross-arm plate 6, and the rotating sleeve 602 is installed on the top of the rotating sleeve 602, and the rotating blade 603 is fixedly installed on the top of the rotating sleeve 602; Align with the rotating fan blade 603; the transmission motor 601 and the rotary sleeve 602 are connected by a bevel gear transmission;

When the water tank 5 descends, the proximity switch 8 can be touched, and the transmission motor 601 is triggered to start, and the bevel gear drives the rotary sleeve 602 and the rotating blade 603 to rotate, and at the same time, the automatic umbrella 7 rotates as a whole to centrifugally separate the rainwater, and the rotation of the rotating blade 603 produces The airflow discharges the air in the cabinet body 1 upwards, and the outside air enters the cabinet body 1 through the dehumidification cotton 103, and the internal humidity of the cabinet body 1 is reduced by circulation to realize dehumidification.

third embodiment

As shown in the accompanying drawings, the present invention provides a power distribution cabinet that can automatically open umbrellas under rainy conditions based on the principle of gravity, and provides an automatically unfolded sealing structure;

The specific usage and function of this embodiment:

When the water tank 5 descends, the water tank 5 pulls the air telescopic rod B401, and when the air telescopic rod B401 stretches, the telescopic air rod A3 shrinks, and the two groups of sealing plates 301 are expanded to the side to ensure that the rotating fan blades 603 can discharge the air;

The water outlet pipe 502 continues to discharge water, and the drainage efficiency of the water outlet pipe 502 is less than the water inlet efficiency of the water inlet pipe 501, so that the water tank 5 will not reset when it rains. The spring lifts the water tank 5, and simultaneously the closing plates 301 on both sides are closed, and the automatic umbrella 7 shrinks and closes.

Finally, it should be noted that when the present invention describes the position of each component and the cooperation relationship between them, it usually takes one/a pair of components as an example, but those skilled in the art should understand that such a position , coordination relationship, etc., are also applicable to other components/other paired components.

The above descriptions are only exemplary implementations of the present invention, and are not intended to limit the protection scope of the present invention, which is determined by the appended claims.

Claims (9)

1. Switch board of automatic parachute opening under rainy day condition based on gravity principle, its characterized in that includes: the front side of the cabinet body (1) is of an open structure, and a rotary door (101) is rotatably arranged in the open structure; the middle of the top of the cabinet body (1) is integrally provided with a bearing pipe (104); the accommodating channel shell (2), the accommodating channel shell (2) is fixedly arranged above the outer side of the cabinet body (1); the cabinet comprises a cabinet body (1), and is characterized in that the number of telescopic air rods A (3) is two, and the two groups of telescopic air rods A (3) are fixedly arranged on two sides of the top of the cabinet body (1); the number of the fixed boxes (4) is two, the fixed boxes (4) are fixedly arranged at the corners of the top of the inner side of the cabinet body (1), and the telescopic air rods A (3) and the fixed boxes (4) are provided with pipelines which penetrate through the cabinet body (1) to be communicated; the two sides of the water tank (5) are matched with the guide rails and are arranged in the cabinet body (1) in a sliding manner; the transverse arm plate (6), the transverse arm plate (6) is fixedly arranged above the inner side of the cabinet body (1); the automatic umbrella (7) is composed of a main rod (701), umbrella ribs (702), umbrella cloth (703), a support rod (704) and a hinge sleeve (705), wherein the hinge sleeve (705) is matched with a tapered roller bearing and is rotatably arranged at the top end of the bearing pipe (104).

2. The gravity-based power distribution cabinet capable of automatically opening umbrellas in rainy days according to claim 1, wherein the cabinet body (1) further comprises:

the cabinet comprises a wedge-shaped cover (102), wherein two opening structures are arranged below two sides of a cabinet body (1), the wedge-shaped cover (102) is fixedly arranged outside the opening structures, and the bottom of the wedge-shaped cover (102) is of an opening structure; dehumidifying cotton (103) is fixedly arranged in the wedge-shaped cover (102);

the top of the cabinet body (1) is fixedly provided with a guide strip (105).

3. The switch board of automatic umbrella opening under rainy day condition based on gravity principle of claim 1, characterized in that, said containing canal shell (2) includes:

the side of the containing channel shell (2) is turned upwards, the top surface of the containing channel shell (2) is lower than the top surface of the cabinet body (1), and the spherical filter screen (201) is fixedly arranged above the front side of the containing channel shell (2).

4. The gravity-based power distribution cabinet capable of automatically opening umbrellas in rainy days according to claim 1, wherein the telescopic air rod A (3) comprises:

the sealing plate (301) is fixedly arranged at the telescopic end of the telescopic air rod A (3), and the sealing plate (301) is matched with the guide bar (105) and is arranged outside in a sliding manner; the middle of the adjacent surfaces of the two side closing plates (301) is provided with a semi-cylindrical sleeve structure, and the semi-cylindrical sleeve structure can be matched and buckled outside the bearing pipe (104).

5. The gravity principle-based distribution cabinet for automatic parachute opening under rainy days according to claim 1, wherein the fixed box (4) comprises:

the adjacent surfaces of the fixed boxes (4) at two sides of the air telescopic rod B (401) are hinged with two groups of air telescopic rods B (401), and the telescopic ends of the air telescopic rods B (401) are hinged with the top of the water tank (5); the air telescopic rod B (401) is communicated with the fixed box (4) through a pipeline;

the spring rod (402) is fixedly arranged at the bottom of the fixed box (4), the cross arm rod (403) is fixedly arranged at the bottom of the spring rod (402), and the cross arm rod (403) is fixedly arranged at the inner side of the cabinet body (1); lug structures are arranged above two sides of the water tank (5), the lug structures are arranged outside the spring rod (402) in a sliding mode, and a spring is sleeved outside the spring rod (402) below the lug structures.

6. The gravity-based power distribution cabinet for automatically opening umbrellas in rainy days according to claim 1, wherein the water tank (5) comprises:

the front side of the water tank (5) is connected with a water inlet pipe (501), the water inlet pipe (501) penetrates through the top of the cabinet body (1) to be communicated with the containing channel shell (2), and the communicated part is wrapped in the spherical filter screen (201);

the water outlet pipe (502) is connected with the rear side of the bottom of the water tank (5), the water outlet pipe (502) is connected with the rear end of the water outlet pipe (502), the splash guard (503) is connected with the rear side of the cabinet body (1), and the splash guard (503) is fixedly arranged on the rear side of the cabinet body (1); the lower side of the splash guard (503) is an opening surface.

7. The gravity principle-based distribution cabinet for automatic parachute opening under rainy days as recited in claim 1, wherein said crossbar plate (6) comprises:

the transmission motor (601), the rear side of the bottom of the transverse arm plate (6) is fixedly provided with the transmission motor (601);

the middle of the transverse arm plate (6) is rotatably provided with a rotary sleeve (602), and the top of the rotary sleeve (602) is fixedly provided with a rotary fan blade (603); the top of the cabinet body (1) is provided with a fan-shaped hole which is aligned with the rotating fan blades (603); the transmission motor (601) is in bevel gear transmission connection with the rotating sleeve (602).

8. The distribution cabinet for automatically opening the umbrella in the rainy day based on the gravity principle as recited in claim 1, wherein the lower middle section of the main body of the main rod (701) is of a hexagonal structure, and the hexagonal structure is slidably arranged in the rotating sleeve (602); the top of the main rod (701) is hinged with an umbrella rib (702), the outside of the umbrella rib (702) is fixedly provided with umbrella cloth (703), the middle of the umbrella rib (702) is hinged with a support rod (704), and the umbrella rib (702) is hinged with the outside of the hinged sleeve (705); the hinge sleeve (705) slides outside the hexagonal structure; the bottom end of the main rod (701) is rotatably arranged in the water tank (5) in cooperation with the bearing.

9. The gravity principle-based power distribution cabinet for automatic parachute opening under the rainy condition as recited in claim 5, wherein a proximity switch (8) is fixedly arranged at the top of the cross arm rod (403), and the proximity switch (8) is connected with a transmission motor (601); the water tank (5) can contact the proximity switch (8) when descending, and the transmission motor (601) is triggered to start when the water tank (5) contacts the proximity switch (8).

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