CN221201808U - Electrical box - Google Patents

Abstract

The utility model relates to the technical field of electric boxes, and discloses an electric box, which comprises an electric box body, wherein a cavity is formed in the side wall of the electric box body, heat dissipation openings are formed in the surfaces of the two sides of the electric box body, the cavity is wrapped on the outer side of the heat dissipation openings, a filter screen frame is fixedly connected to the inner part of the heat dissipation openings, the lower end of the filter screen frame penetrates into the electric box body, a filter screen is arranged in the filter screen frame, a baffle plate groove is formed in the inner wall of the heat dissipation openings, after the electric box body is not used, a motor is started, finally shielding of the heat dissipation openings is realized, the problem that rainwater possibly enters the equipment through the heat dissipation openings in the case of windy and rainy weather is solved, the rainwater is prevented from entering the equipment through the heat dissipation openings through the baffle plate, and the safety of internal components is ensured.

Description

Electrical box

Technical Field

The utility model relates to the technical field of electric boxes, in particular to an electric box.

Background

The building engineering refers to engineering entities formed by building various house buildings and auxiliary facilities thereof and installing and moving lines, pipelines and equipment matched with the building buildings. The house building is a project which has a top cover, beam columns, walls, foundations and can form an inner space and meet the requirements of production, living, study and public activities of people, and an electric box is needed during construction of the building project.

In order to ensure normal operation of internal components, a ventilation heat dissipation groove is usually formed in the side surface of an electric box, however, according to relevant specifications, it is shown that a switch of the electric box which is used for working or is stopped for a long time must be pulled out for power off, while a heat dissipation opening of the existing electric box is still in an open state when the existing electric box is in a non-use state, when a situation of poor weather conditions such as heavy wind is encountered, for example, the situation of rain blowing during raining, all rainwater cannot be blocked outside the electric box by means of a rain shielding structure of the electric box, and a situation that some rainwater is scraped into the device through the heat dissipation groove by wind may exist, and when the internal rainwater is not completely evaporated, the situation that equipment is possibly short-circuited is caused is brought into use, even fire hazard is caused, safety is low, service life of the electric box is reduced, and normal use of the electric box is affected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric box, which solves the problem that the radiating ports of some existing electric boxes are still in an open state when the existing electric boxes are in a non-use state, and rainwater can possibly enter the equipment through the radiating ports under the weather of wind and rain.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric box, includes the electric box body, the cavity has been seted up to the lateral wall of electric box body, the thermovent has all been seted up on the both sides surface of electric box body, the cavity parcel is in the outside of thermovent, the inside fixedly connected with filter screen frame of thermovent, the lower extreme of filter screen frame runs through the inside of intaking the electric box body, the inside of filter screen frame is provided with the filter screen, the shielding plate groove has been seted up to the inner wall of thermovent, shielding plate groove and cavity intercommunication, the inside sliding connection in shielding plate groove has the shielding plate, the surface fixedly connected with connecting block of shielding plate, one side of connecting block extends into in the cavity, the thread bush is equipped with the threaded rod on the connecting block, the surface fixedly connected with motor of electric box body, the output shaft rotation of motor runs through in the cavity, the first worm of output shaft fixedly connected with of motor output shaft, the one end and the inner wall rotation connection of cavity are kept away from to first worm, the surface meshing of first worm is connected with two first worm wheels, the surface of threaded rod is provided with the linkage subassembly.

Preferably, both ends of the threaded rod are rotationally connected with the inner wall of the cavity, and the first worm wheel is sleeved on the outer surface of the threaded rod.

Preferably, the linkage assembly comprises a driving gear, the driving gear is sleeved on the outer surface of the threaded rod, the outer surface of the driving gear is connected with a driven gear in a meshed mode, a second worm is sleeved on the driven gear, a second worm wheel is connected with the outer surface of the second worm in a meshed mode, and a connecting rod is sleeved in the second worm wheel.

Preferably, two ends of the second worm are rotatably connected with the inner wall of the cavity.

Preferably, one end of the connecting rod is rotationally connected with the inner wall of the cavity, the other end of the connecting rod is fixedly connected with a rubber cam, and the rubber cam is contacted with the bottom of the filter screen frame and slides.

Preferably, the lower surface of the electric box body is fixedly connected with supporting legs, and reinforcing rods are fixedly connected between the supporting legs.

(III) beneficial effects

Compared with the prior art, the utility model provides the electric box, which has the following beneficial effects:

1. This electrical box, after the electrical box body does not use, through the starter motor, finally realize the shielding of thermovent, it still is in open condition to have solved some current electrical boxes when being in the state of not using its thermovent, the rainwater can get into the inside problem of equipment through the thermovent under the weather condition of windy rain, shelter from the thermovent through the shielding plate, avoided not having the rainwater to get into the inside of equipment through the thermovent when raining, the security of inside components and parts has been guaranteed, the life of electrical box has been improved, when inside produces the conflagration simultaneously, also can guarantee that inside is in closed condition through closed shielding plate, avoid spreading of conflagration, the practicality is higher.

2. This electrical box drives the rotation of driving gear through the rotation of threaded rod, finally drives the filter screen at the inside vibration of filter screen frame through the rotation of rubber cam, is convenient for clear up the dust on filter screen surface, realizes beating the filter screen frame through the rotation of rubber cam, finally realizes shaking off the dust on filter screen surface through the vibration of filter screen frame, has avoided the filter screen surface to adsorb too much dust and has influenced its radiating efficiency, has realized simultaneously and has all can once clear up the filter screen when the shielding plate is opened or is closed, improves the filter effect of filter screen, improves the efficiency of inside ventilation.

Drawings

FIG. 1 is a schematic view of an electrical box according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a heat sink according to the present utility model;

FIG. 3 is a schematic view of the structure of the shielding plate of the present utility model;

FIG. 4 is a schematic plan view of a heat sink according to the present utility model;

FIG. 5 is a schematic plan view of a filter screen frame of the present utility model;

Fig. 6 is a schematic structural view of the motor of the present utility model.

In the figure: 1. an electrical box body; 2. a heat radiation port; 3. a filter screen frame; 4. a filter screen; 5. a shielding plate groove; 6. a shielding plate; 7. a connecting block; 8. a threaded rod; 9. a motor; 10. a first worm; 11. a first worm wheel; 12. a drive gear; 13. a driven gear; 14. a second worm; 15. a second worm wheel; 16. a connecting rod; 17. a rubber cam; 18. support legs; 19. a reinforcing rod; 20. a cavity.

Detailed Description

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: an electric box comprises an electric box body 1, a cavity 20 is formed in the side wall of the electric box body 1, heat dissipation ports 2 are formed in the surfaces of two sides of the electric box body 1, the inner structures of the two heat dissipation ports 2 are identical, therefore, only the inner structure of one heat dissipation port 2 is described below, the cavity 20 is wrapped on the outer side of the heat dissipation port 2, a filter screen frame 3 is fixedly connected to the inner part of the heat dissipation port 2, the lower end of the filter screen frame 3 penetrates into the inner part of the electric box body 1, a filter screen 4 is arranged in the filter screen frame 3, a baffle plate groove 5 is formed in the inner wall of the heat dissipation port 2, the baffle plate groove 5 is communicated with the cavity 20, a baffle plate 6 is slidingly connected to the inner part of the baffle plate groove 5, a connecting block 7 is fixedly connected to the outer surface of the baffle plate 6, one side of the connecting block 7 extends into the cavity 20, a threaded rod 8 is sleeved on the connecting block 7, two ends of the threaded rod 8 are rotatably connected with the inner wall of the cavity 20, the outer surface of the electric box body 1 is fixedly connected with a motor 9, an output shaft of the motor 9 rotates to penetrate through the electric box body 1, the output shaft of the motor 9 is fixedly connected with a first worm 10, one end of the first worm 10, which is far away from the output shaft of the motor 9, is rotationally connected with the inner wall of the electric box body 1, the outer surface of the first worm 10 is in meshed connection with two first worm gears 11, the first worm gears 11 are sleeved on the outer surface of the threaded rod 8, the outer surface of the threaded rod 8 is provided with a linkage assembly, after the electric box body 1 is not used, the motor 9 is started, the first worm 10 is driven to rotate through the rotation of the output shaft of the motor 9, the first worm gear 11 is driven to rotate through the rotation of the first worm 10, the threaded rod 8 is driven to rotate through the rotation of the first worm gear 11, the connecting block 7 is driven to slide in the shielding plate groove 5 through the rotation of the threaded rod 8, the movement of the shielding plate 6 is driven through the movement of the connecting block 7, at the moment, the shielding plate 6 can synchronously slide in the shielding plate groove 5, shielding of the radiating opening 2 is finally achieved, the problem that the radiating opening of some existing electric boxes is still in an open state when the electric boxes are in a non-use state, rainwater can possibly enter the equipment through the radiating opening under the weather condition of wind and rain is solved, the shielding plate 6 shields the radiating opening 2, the phenomenon that rainwater does not enter the equipment through the radiating opening 2 when the electric boxes are rained is avoided, the safety of internal components is guaranteed, the service life of the electric boxes is prolonged, meanwhile, when fire is generated in the inside, the inside is also guaranteed to be in a closed state through closing the shielding plate 6, the fire is prevented from spreading, and the practicability is higher.

Further, the linkage assembly comprises a driving gear 12, the driving gear 12 is sleeved on the outer surface of the threaded rod 8, the outer surface of the driving gear 12 is in meshed connection with a driven gear 13, a second worm 14 is sleeved in the driven gear 13, the second worm 14 is in rotary connection with the inner wall of the cavity 20, a second worm wheel 15 is in meshed connection with the outer surface of the second worm 14, a connecting rod 16 is sleeved in the second worm wheel 15, one end of the connecting rod 16 is in rotary connection with the inner wall of the cavity 20, the other end of the connecting rod 16 is fixedly connected with a rubber cam 17, the rubber cam 17 is in contact with and slides with the surface of the filter screen frame 3, the rotation of the threaded rod 8 drives the driving gear 12, the rotation of the driven gear 13 is driven by the rotation of the driving gear 12, the rotation of the driven gear 13 drives the second worm 14 to rotate, the rotation of the second worm wheel 15 is driven by the rotation of the second worm 14, the rotation of the second worm wheel 15 drives the rotation of the connecting rod 16, the rotation of the rubber cam 17 is driven by the rotation of the connecting rod 16, the knocking of the filter screen frame 3 is realized by the rotation of the rubber cam 17, the shake-off of dust on the surface of the filter screen 4 is finally realized by the vibration of the filter screen frame 3, after long-time use, the shaken-off dust can be accumulated on the bottom wall of the heat radiation port 2 and the bottom of the electric box body 1, at the moment, the dust on the surface of the filter screen 4 can be cleaned manually or blown off, the dust on the surface of the filter screen 4 is cleaned conveniently by the device, the vibration of the filter screen 4 is driven by the rotation of the rubber cam 17, the shake-off of the dust on the surface of the filter screen 4 is avoided, the excessive dust adsorbed on the surface of the filter screen 4 is prevented from influencing the heat radiation efficiency, and meanwhile, the filter screen 4 can be cleaned once when the shielding plate 6 is opened or closed, the filtering effect of the filter screen 4 is improved, and the internal ventilation efficiency is improved.

In this embodiment, the rubber cam 17 is made of a soft material, so that the situation that the rubber cam 17 is jammed does not occur, and the rubber cam 17 only collides with the filter screen frame 3, so that the filter screen 4 vibrates.

Further, the lower surface fixedly connected with supporting legs 18 of electric box body 1, fixedly connected with stiffening rod 19 between the supporting legs 18 has improved the stability of electric box body 1 in the high wind day through the setting of stiffening rod 19.

Working principle:

When the electric box is used, the motor 9 is started, the first worm 10 is driven to rotate through the rotation of the output shaft of the motor 9, the first worm wheel 11 is driven to rotate through the rotation of the first worm 10, the threaded rod 8 is driven to rotate through the rotation of the first worm wheel 11, the connecting block 7 is driven to slide in the shielding plate groove 5 through the rotation of the threaded rod 8, the shielding plate 6 is driven to move through the movement of the connecting block 7, at this time, the shielding plate 6 can synchronously slide in the shielding plate groove 5, and finally shielding of the heat dissipation port 2 is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An electrical box comprising an electrical box body (1), characterized in that: cavity (20) have been seted up to the lateral wall of electric box body (1), thermovent (2) have all been seted up on the both sides surface of electric box body (1), cavity (20) parcel is in the outside of thermovent (2), the inside fixedly connected with filter screen frame (3) of thermovent (2), the inside of electric box body (1) is run through to the lower extreme of filter screen frame (3), the inside of filter screen frame (3) is provided with filter screen (4), shutter groove (5) have been seted up to the inner wall of thermovent (2), shutter groove (5) and cavity (20) intercommunication, shutter groove (5)'s inside sliding connection has shutter (6), shutter (6)'s surface fixedly connected with connecting block (7), one side of connecting block (7) extends into cavity (20) in, threaded rod (8) are equipped with to the cover on connecting block (7), electric box body (1)'s surface fixedly connected with motor (9), the output shaft rotation of motor (9) runs through into cavity (20) in, the output shaft fixedly connected with first (10) of motor (9), first worm wheel (10) of worm wheel (10) is kept away from the inside of first output shaft (9) and the first worm wheel (10) is connected with the surface of a first one end of a rotation (11), the outer surface of the threaded rod (8) is provided with a linkage component.

2. An electrical cabinet according to claim 1, wherein: the two ends of the threaded rod (8) are rotatably connected with the inner wall of the cavity (20), and the first worm wheel (11) is sleeved on the outer surface of the threaded rod (8).

3. An electrical cabinet according to claim 1, wherein: the linkage assembly comprises a driving gear (12), the driving gear (12) is sleeved on the outer surface of the threaded rod (8), a driven gear (13) is connected to the outer surface of the driving gear (12) in a meshed mode, a second worm (14) is sleeved on the driven gear (13), a second worm wheel (15) is connected to the outer surface of the second worm (14) in a meshed mode, and a connecting rod (16) is sleeved inside the second worm wheel (15).

4. An electrical box according to claim 3, characterized in that: both ends of the second worm (14) are rotatably connected with the inner wall of the cavity (20).

5. An electrical cabinet according to claim 4, wherein: one end of the connecting rod (16) is rotationally connected with the inner wall of the cavity (20), the other end of the connecting rod (16) is fixedly connected with a rubber cam (17), and the rubber cam (17) is contacted with the bottom of the filter screen frame (3) and slides.

6. An electrical cabinet according to claim 1, wherein: the electric box is characterized in that supporting legs (18) are fixedly connected to the lower surface of the electric box body (1), and reinforcing rods (19) are fixedly connected between the supporting legs (18).