An improved ventilation structure for electric power metering box

Abstract

The invention discloses a novel and improved ventilation structure of an electric meter box, comprising a meter box plate, a ventilation hole is provided on the meter box plate, a connecting rod is provided in the ventilation hole, a waterproof shell is provided on one side of the meter box plate, a ventilation port is provided at the bottom of the waterproof shell, a water retaining plate is provided in the waterproof shell, a filter cotton and a filter layer are sleeved on the connecting rod, a connecting sleeve is passed through the filter layer, a slider is provided on the inner side wall of the connecting sleeve, a slide groove is provided on the peripheral side of the connecting rod, a cover plate is provided on one side of the connecting sleeve, the cover plate is connected to a fixed sleeve, a fixed spring is provided in the fixed sleeve, a card slot is provided on the inner side wall of the fixed sleeve, a fixed block is provided in the fixed sleeve, a card block is provided on the peripheral side of the fixed block, and the fixed block is connected to a partition. When in use, rainwater will not enter the interior of the meter box through the provided ventilation port and the water retaining plate, thereby improving the waterproof performance of the ventilation structure of the electric meter box; the provided filter cotton and the filter layer filter the air, thereby preventing dust in the air from entering the interior of the meter box, thereby extending the service life of the meter box.

Description

Technical Field

[0001] The invention belongs to the field of metering equipment and relates to a metering box, in particular to a novel and improved ventilation structure of an electric power metering box. Background Art

[0002] At the user end of power transmission, it is necessary to install an electric meter to measure the user's electricity consumption. Such an electric meter often requires a corresponding meter box to cooperate, so that the electric meter is installed in the meter box to protect it from rain, dust and electricity theft. At the same time, it is convenient for operators to observe the electric meter in the meter box to read and perform other operations. In addition, in order to enable the electric meter installed in the meter box to have a good heat dissipation condition, a ventilation structure is usually provided on the box body or the box cover.

[0003] In the prior art, the ventilation structure is usually a straight-through ventilation hole, through which dust and rainwater can easily enter the meter box, and the air entering the meter box cannot be filtered. Dust in the air enters the meter box and causes damage to the meter, resulting in a reduction in its service life. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a new and improved ventilation structure for an electricity meter box to solve the technical problems in the prior art that dust and rainwater can easily enter the interior of the meter box through the ventilation holes, and the air entering the meter box cannot be filtered. Dust in the air enters the meter box and causes damage to the electric meter, resulting in a reduction in its service life.

[0005] The present invention solves the technical problem by adopting the following technical solutions:

[0006] A novel and improved ventilation structure for an electric meter box comprises a meter box plate, a ventilation hole is formed on the meter box plate, a waterproof shell is installed on the meter box plate at the rear end of the ventilation hole, a ventilation port is formed at the bottom of the waterproof shell, and a water baffle is formed at the front end of the waterproof shell to cover the lower half of the ventilation hole; a connecting rod is formed inside the ventilation hole, the connecting rod is connected to the meter box plate through a connecting blade, filter cotton and a filter layer are sequentially sleeved on the connecting rod from back to front, the filter cotton and the filter layer are both arranged in the ventilation hole, a connecting sleeve is penetrated in the middle of the filter layer, and the connecting sleeve A slider is provided on the inner wall, a sliding groove is opened on the peripheral side of the connecting rod, and the slider is clamped in the sliding groove. A cover plate is provided at the front end of the connecting sleeve, a spring fixing position is provided on the front end surface of the cover plate, a fixing spring is clamped in the spring fixing position, a fixing sleeve fixed on the cover plate is sleeved outside the fixing spring, a clamping groove is provided on the front end inner wall of the fixing sleeve, a fixing block is provided in the fixing sleeve, a clamping block is provided on the peripheral side of the fixing block, the clamping block is clamped in the clamping groove, and a partition is connected to the front end of the fixing block, and the partition is arranged at the front end of the ventilation hole through the support spacing at its four corners.

[0007] As a preferred technical solution of the present invention, a frame is provided on the front outer edge of the waterproof shell, and a plurality of fixing holes are provided on the frame.

[0008] As a preferred technical solution of the present invention, bumps are provided on the peripheral side of the cover plate.

[0009] As a preferred technical solution of the present invention, two groups of spring fixing positions are arranged on the cover plate.

[0010] As a preferred technical solution of the present invention, a handle is provided on the partition, and anti-slip ridges are provided on the peripheral side of the handle.

[0011] As a preferred technical solution of the present invention, the clamping slot, the fixing spring and the clamping block are each provided in two groups.

[0012] As a preferred technical solution of the present invention, a gasket is provided between the fixing spring and the fixing block.

[0013] The advantages and positive effects of the present invention are:

[0014] The novel and improved ventilation structure of the electric power meter box, when in use, prevents rainwater from entering the interior of the waterproof shell through the arranged vents, and prevents rainwater entering the waterproof shell from entering the interior of the meter box through the arranged water retaining plate, thereby improving the waterproof performance of the ventilation structure of the electric power meter box; the arranged filter cotton and filter layer filter the air entering the interior of the meter box, so that dust in the air does not enter the interior of the meter box, thereby extending the service life of the meter box; the arranged partition plays a role in blocking dust on the one hand, and plays a role in protecting the filter cotton and the filter layer on the other hand, thereby extending the service life of the filter cotton and the filter layer; the filter cotton and the filter layer are detachably installed, which is more convenient for the staff to clean and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a novel and improved ventilation structure of an electric power meter box of the present invention;

[0016] Figure 2 An exploded view of a novel and improved ventilation structure of an electric power meter box according to the present invention;

[0017] Figure 3 for Figure 2 A partial enlarged view of area a.

[0018] In the figure: 1. metering box plate; 2. ventilation hole; 3. connecting blade; 4. connecting rod; 5. waterproof shell; 6. ventilation port; 7. water retaining plate; 8. slide groove; 9. filter layer; 10. connecting sleeve; 11. slider; 12. cover plate; 13. fixing sleeve; 14. slot; 15. fixing spring; 16. gasket; 17. fixing block; 18. block; 19. partition; 20. handle; 21. frame; 22. fixing hole; 23. spring fixing position; 24. bump; 25. anti-skid ridge; 26. filter cotton. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings:

[0020] See also Figures 1 to 3 , the present invention provides a technical solution:

[0021] A novel and improved ventilation structure of an electric metering box comprises a metering box plate 1, a ventilation hole 2 is provided on the metering box plate 1, a connecting rod 4 is arranged in the ventilation hole 2, the connecting rod 4 is connected to the metering box plate 1 through a connecting blade 3, a waterproof shell 5 is arranged on one side of the metering box plate 1, a ventilation hole 6 is arranged at the bottom of the waterproof shell 5, a water retaining plate 7 is arranged in the waterproof shell 5, a filter cotton 26 and a filter layer 9 are sleeved on the connecting rod 4, the filter cotton 26 and the filter layer 9 are both arranged in the ventilation hole 2, a connecting sleeve 10 is penetrated on the filter layer 9, a slider 11 is arranged on the inner side wall of the connecting sleeve 10, and a peripheral side of the connecting rod 4 is provided with a filter cotton 26 and a filter layer 9, the filter cotton 26 and the filter layer 9 are arranged in the ventilation hole 2, a connecting sleeve 10 is penetrated on the filter layer 9, a slider 11 is arranged on the inner side wall of the connecting sleeve 10, and a sliding block 11 is arranged on the peripheral side of the connecting rod 4. A slide groove 8 is provided, and the slider 11 is clamped in the slide groove 8. A cover plate 12 is provided on one side of the connecting sleeve 10, and the cover plate 12 is connected to a fixing sleeve 13, and a fixing spring 15 is provided in the fixing sleeve 13. A clamping groove 14 is provided on the inner side wall of the fixing sleeve 13, and a fixing block 17 is provided in the fixing sleeve 13. A clamping block 18 is provided on the surrounding side of the fixing block 17, and the clamping block 18 is clamped in the clamping groove 14. The fixing block 17 is connected to a partition 19. The pillars arranged at the four corners of the partition can make its installation more stable on the one hand, and can make it a certain distance away from the metering box plate on the other hand to ensure air circulation.

[0022] The novel and improved ventilation structure of the electric meter box has a ventilation hole 2 on the meter box plate 1 when in use, a connecting rod 4 is arranged in the ventilation hole 2, and the connecting rod 4 is connected to the meter box plate 1 through a connecting blade 3, a waterproof shell 5 is arranged on one side of the meter box plate 1, a ventilation hole 6 is arranged at the bottom of the waterproof shell 5, and a water retaining plate 7 is arranged in the waterproof shell 5, the ventilation hole 6 prevents rainwater from entering the waterproof shell 5, and the water retaining plate 7 prevents rainwater entering the waterproof shell 5 from entering the meter box, which is higher than the meter box. The waterproof performance of the ventilation structure of the electric power meter box; the filter cotton 26 and the filter layer 9 set will filter the air entering the meter box, so that the dust in the air will not enter the meter box, thereby extending the service life of the meter box. A fixing spring 15 is arranged in the fixing sleeve 13, and a card slot 14 is opened on the inner side wall of the fixing sleeve 13. A fixing block 17 is arranged in the fixing sleeve 13, and a card block 18 is arranged on the surrounding side of the fixing block 17. The card block 18 is clamped in the card slot 14, and the fixing block 17 is connected with a partition 19.

[0023] See also Figures 1 to 3 The waterproof shell 5 is provided with a frame 21, and a plurality of fixing holes 22 are provided on the frame 21. The waterproof shell 5 is fixed to the metering box plate 1 through the plurality of fixing holes 22 provided on the frame 21, so that the waterproof shell 5 is fixed more firmly.

[0024] See also Figures 1 to 3The cover plate 12 is provided with a protrusion 24 around it, and the protrusion 24 acts as a handle, making it more convenient for the staff to remove the filter screen. The cover plate 12 is provided with two sets of spring fixing positions 23, and the spring fixing positions 23 fix the fixing spring 15, so that the connection of the partition 19 is more stable and firm.

[0025] See also Figures 1 to 3 A handle 20 is provided on the partition 19, and an anti-slip ridge 25 is provided on the peripheral side of the handle 20. The handle 20 makes it more convenient for the staff to disassemble.

[0026] See also Figures 1 to 3 The card slot 14, the fixing spring 15 and the card block 18 are each provided with two groups, and a gasket 16 is provided between the fixing spring 15 and the fixing block 17. The provision of the gasket 16 prolongs the service life of the ventilation structure of the power meter box.

[0027] In summary, the novel and improved ventilation structure of the electric meter box, when in use, is provided with a ventilation hole 2 on the meter box plate 1, a connecting rod 4 is arranged in the ventilation hole 2, the connecting rod 4 is connected to the meter box plate 1 through a connecting blade 3, a waterproof shell 5 is arranged on one side of the meter box plate 1, a ventilation hole 6 is arranged at the bottom of the waterproof shell 5, a water retaining plate 7 is arranged in the waterproof shell 5, the ventilation hole 6 is provided to prevent rainwater from entering the interior of the waterproof shell 5, the water retaining plate 7 is provided to prevent rainwater entering the waterproof shell 5 from entering the interior of the meter box, thereby improving the waterproof performance of the ventilation structure of the electric meter box; the filter cotton 26 and the filter layer 9 are provided to filter the air entering the interior of the meter box, so that dust in the air will not enter the interior of the meter box, thereby extending the service life of the meter box, a fixing spring 15 is arranged in the fixing sleeve 13, the inner side wall of the fixing sleeve 13 is provided with a card slot 14, and the fixing sleeve 13 is provided with a card slot 14. A fixing block 17 is provided, and a clamping block 18 is provided on the surrounding side of the fixing block 17, and the clamping block 18 is clamped in the clamping groove 14. The fixing block 17 is connected with a partition 19, and the partition 19 is provided to make it more convenient for the staff to disassemble or replace the filter cotton 26. The fixed sleeve 13 is provided to make the filter cotton 26 and the filter layer 9 detachable, which is more convenient for the staff to clean and replace; a frame 21 is provided on the waterproof shell 5, and a plurality of groups of fixing holes 22 are provided on the frame 21. The waterproof shell 5 is fixed to the metering box plate 1 through the plurality of fixing holes 22 provided on the frame 21, so that it is fixed more firmly; a protrusion 24 is provided around the cover plate 12, and the protrusion 24 makes it more convenient for the staff to disassemble the filter net, and two groups of spring fixing positions 23 are provided on the cover plate 12. The spring fixing position 23 fixes the fixing spring 15, so that the connection of the partition 19 is more stable and firm. The partition plate 19 is provided with a handle 20 , and the circumference of the handle 20 is provided with an anti-slip ridge 25 . The provided handle 20 makes it more convenient for the staff to disassemble.

[0028] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. An improved ventilation structure for an electric power meter box, characterized in that: The invention comprises a metering box plate, on which a ventilation hole is opened, a waterproof shell is installed on the metering box plate at the rear end of the ventilation hole, a ventilation hole is arranged at the bottom of the waterproof shell, and a water baffle for covering the lower half of the ventilation hole is arranged at the front end of the waterproof shell; a connecting rod is arranged inside the ventilation hole, the connecting rod is connected to the metering box plate through a connecting blade, filter cotton and a filter layer are sequentially sleeved on the connecting rod from back to front, the filter cotton and the filter layer are both arranged in the ventilation hole, a connecting sleeve is penetrated in the middle of the filter layer, and a slider is arranged on the inner side wall of the connecting sleeve A sliding groove is provided on the peripheral side of the connecting rod, the sliding block is clamped in the sliding groove, a cover plate is provided at the front end of the connecting sleeve, a spring fixing position is provided on the front end surface of the cover plate, a fixing spring is clamped in the spring fixing position, a fixing sleeve fixed to the cover plate is sleeved outside the fixing spring, a clamping groove is provided on the front end inner wall of the fixing sleeve, a fixing block is provided in the fixing sleeve, a clamping block is provided on the peripheral side of the fixing block, the clamping block is clamped in the clamping groove, a partition is connected to the front end of the fixing block, and the partition is arranged at the front end of the ventilation hole through the support spacing at the four corners; A frame is provided on the front outer edge of the waterproof shell, and a plurality of fixing holes are provided on the frame; The peripheral side of the cover plate is provided with a protrusion.

2. An improved ventilation structure for an electric power meter box according to claim 1, characterized in that: The cover plate is provided with two groups of spring fixing positions.

3. The improved ventilation structure of the electric power meter box according to claim 1, characterized in that: The partition is provided with a handle, and the peripheral side of the handle is provided with anti-slip ridges.

4. The improved ventilation structure of the electric power meter box according to claim 1, characterized in that: The clamping slots, the fixing springs and the clamping blocks are each provided in two groups.

5. The improved ventilation structure of the electric power meter box according to claim 1, characterized in that: A gasket is arranged between the fixing spring and the fixing block.

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