Modular smart grid meter cabinet

Abstract

The application discloses a kind of modular smart grid electric meter box, it is related to electric meter box technical field, comprising: electric meter box body, box door, the box door sliding installation is in electric meter box body inner wall;Sliding door, the sliding door sliding installation is in electric meter box body inner wall;Radiator groove, the radiator groove is set up in box door surface;Fixed block, the fixed block fixed installation is in sliding door bottom;The electric meter box body surface fixed mounting has protective cover, the electric meter box body inner wall sliding installation has trapezoidal block, the trapezoidal block surface fixed mounting has short plate, the electric meter box body surface fixed mounting has trapezoidal slide, the trapezoidal block is fixedly installed with pull plate away from the side of electric meter box body, the electric meter box body surface sliding installation has connecting plate, prevent opening sliding door, sliding door is rebounded automatically, possibly lead to maintenance personnel in maintenance process hand is clamped to, influence maintenance personnel to carry out maintenance.

Description

Technical Field

[0001] This invention relates to the field of meter box technology, specifically a modular smart grid meter box. Background Technology

[0002] An electricity meter is short for an energy meter. It is an instrument used to measure electrical energy. It is also called an electricity meter, watt-hour meter, or kilowatt-hour meter. It refers to an instrument that measures various electrical quantities.

[0003] Patent publication number CN218549115U relates to a rust-proof electric meter box, belonging to the technical field of electric meter boxes. The patent includes: an electric meter box; the electric meter box has a rectangular box-shaped structure; a placement slot is centrally located on the front face of the electric meter box; an auxiliary frame is fixedly connected to the left side of the front face of the electric meter box; a box door is rotatably connected inside the auxiliary frame; the box door has a rectangular plate-shaped structure; an auxiliary handle is rotatably connected to the right side of the front face of the box door. During the inspection and maintenance of the electric meter box, a support platform can be pulled down; the support platform can be supported by a first connecting rod and a second connecting rod. The support platform facilitates the placement of inspection instruments by staff during maintenance, solving the problem that staff typically need to carry a large number of inspection instruments and manually inspect the meters, resulting in high labor intensity.

[0004] In the patented design, the support platform allows staff to conveniently place inspection instruments during maintenance, solving the problem that staff usually need to carry a large number of inspection instruments and manually inspect the meters, resulting in high labor intensity. However, the rotating door may obstruct pedestrian access in narrow corridors, and the door's rebound may pinch the inspector's hand, affecting their normal work. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a modular smart grid meter box, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a modular smart grid meter box, comprising: a meter box body; a door slidably mounted on the inner wall of the meter box body; a sliding door slidably mounted on the inner wall of the meter box body; a heat dissipation groove formed on the surface of the door; a fixing block fixedly mounted on the bottom of the sliding door; a protective cover fixedly mounted on the surface of the meter box body; a trapezoidal block slidably mounted on the inner wall of the meter box body; a short plate fixedly mounted on the surface of the trapezoidal block; a trapezoidal sliding plate fixedly mounted on the surface of the meter box body; a pull plate fixedly mounted on the side of the trapezoidal block away from the meter box body; a connecting plate slidably mounted on the surface of the meter box body; a triangular slider fixedly mounted on the top of the connecting plate; a sliding plate fixedly mounted on the surface of the trapezoidal sliding plate; and an inclined surface provided on the side of the sliding plate near the connecting plate. When the sliding door moves away from the door, it causes the fixing block to move away from the door. During the movement of the fixing block away from the door, it contacts the trapezoidal block, and the fixing block pushes the trapezoidal block downwards.

[0007] According to the above technical solution, a first spring is provided between the meter box body and the trapezoidal block. When the trapezoidal block is separated from the fixed block, the first spring will drive the trapezoidal block to reset. A second spring is provided between the meter box body and the trapezoidal sliding plate. When the trapezoidal sliding plate is separated from the short plate, the elastic force of the second spring will drive the trapezoidal sliding plate to reset. A third spring is provided between the meter box body and the connecting plate. When the fixed block is separated from the triangular slider, the elastic force of the third spring will drive the connecting plate to reset.

[0008] According to the above technical solution, the meter box body is equipped with a sealing device to prevent rainwater from entering and a dust removal device to prevent the accumulation of impurities and dust. The sealing device includes an elastic telescopic plate, a sealing ring, an L-shaped plate, a fixed seat, a rotating plate, and a connecting seat. During the sliding door reset process, the L-shaped plate will move towards the door. The movement of the L-shaped plate towards the door will push the connecting seat towards the fixed seat. The movement of the connecting seat towards the fixed seat will push the rotating plate to rotate. The elastic telescopic plate is fixedly installed on the inner wall of the meter box body. The sealing ring is fixedly installed on the free end of the elastic telescopic plate. The L-shaped plate is fixedly installed on the surface of the sliding door. The fixed seat is fixedly installed on the surface of the sealing ring. The connecting seat is slidably installed on the bottom of the inner wall of the meter box body. One end of the rotating plate is rotatably installed on the inner wall of the fixed seat, and the end of the rotating plate away from the fixed seat is rotatably installed on the inner wall of the connecting seat.

[0009] According to the above technical solution, a trapezoidal pull rod is fixedly installed on the surface of the sealing ring, a card seat is fixedly installed on the inner wall of the meter box body, a dehumidifying plate is slidably installed inside the card seat, and a sliding rod is slidably passed through the bottom of the card seat. When the trapezoidal pull rod moves towards the sliding door, it will push the sliding rod to move upward, and the upward movement of the sliding rod will drive the dehumidifying plate to move upward.

[0010] According to the above technical solution, a No. 4 spring is provided between the connecting seat and the meter box body. When the connecting seat is separated from the L-shaped plate, the elastic force of the No. 4 spring will drive the connecting seat to reset. A No. 5 spring is provided between the card seat and the sliding rod. When the sliding rod is separated from the trapezoidal pull rod, the elastic force of the No. 5 spring will drive the sliding rod to reset.

[0011] According to the above technical solution, the impurity removal device includes a trapezoidal plate, a rotating plate, a pulley frame, and a rotating plate. When the sliding door is opened, it drives the L-shaped plate to move away from the door. As the L-shaped plate moves away from the door, it contacts the trapezoidal plate, which in turn pushes the trapezoidal plate away from the sliding door. The trapezoidal plate is slidably mounted on the inner wall of the meter box body. The pulley frame is slidably mounted on the inner wall of the meter box body. One end of the rotating plate is rotatably mounted on the inner wall of the trapezoidal plate, and the other end of the rotating plate is rotatably mounted on the inner wall of the pulley frame. The rotating plate is rotatably mounted on the inner wall of the meter box body.

[0012] According to the above technical solution, a fixed frame is fixedly installed on the inner wall of the meter box body, and a sliding long plate is slidably installed on the surface of the rotating plate. One end of the hinge rod is rotatably installed on the inner wall of the fixed frame, and the other end of the hinge rod is rotatably installed on the inner wall of the sliding long plate. When the rotating plate rotates downward, it will drive the sliding long plate to rotate downward. When the sliding long plate rotates downward, it will be pulled by the hinge rod, and the hinge rod will pull the sliding long plate to slide downward along the rotating plate.

[0013] According to the above technical solution, a No. 6 spring is provided between the trapezoidal plate and the meter box body. When the trapezoidal plate is separated from the L-shaped plate, the No. 6 spring will drive the trapezoidal plate to reset. A No. 1 torsion spring is provided between the rotating plate and the meter box body. When the rotating plate is separated from the pulley frame, the No. 1 torsion spring will drive the rotating plate to reset.

[0014] This invention provides a modular smart grid meter box. It has the following advantages:

[0015] (1) This invention allows the sliding door to open the meter box body laterally by pulling it away from the box door, thus avoiding the possibility of the sliding door being blocked in a narrow corridor and affecting the normal entry and exit of pedestrians, thereby increasing the scope of application. After the trapezoidal block separates from the fixed block, the elastic force of the first spring will drive the trapezoidal block to reset and limit the fixed block, preventing the sliding door from automatically rebounding after opening, which may cause the maintenance personnel to get their hands caught during maintenance and affect the maintenance personnel to carry out maintenance. At the same time, the sliding plate moves away from the short plate, which drives the trapezoidal slide plate to move away from the short plate. The movement of the trapezoidal slide plate away from the short plate will release the limit on the short plate, allowing the trapezoidal block to reset under the elastic force of the first spring, so that the trapezoidal block can automatically reset and improve the practicality of the equipment.

[0016] (2) In this invention, the sealing ring contacts the sliding door to seal the four sides of the sliding door, preventing rainwater from entering the inside of the meter box body through the gaps in the sliding door. Moisture may damage the electronic components inside the meter box body and affect the normal use of the equipment. At the same time, the sealing ring moving towards the sliding door will drive the trapezoidal pull rod to move towards the sliding door. The trapezoidal pull rod moving towards the sliding door will push the sliding rod upward. The upward movement of the sliding rod will drive the dehumidification plate upward. The upward movement of the dehumidification plate, together with the heat dissipation groove, pushes down the impurities adhering to the dehumidification plate, preventing the impurities from adhering and affecting the dehumidification effect of the dehumidification plate.

[0017] (3) In this invention, the bottom of the meter box body is opened by rotating the rotating plate downwards, which prevents the meter box that has not been cleaned or maintained for a long time from accumulating dust, corrosive substances or water, which may affect electrical contact or even cause electrical failure. At the same time, opening the bottom of the meter box body can directly drain the impurities without manual cleaning, thus improving work efficiency. During the downward rotation of the rotating plate, the sliding plate will be driven to rotate downwards. The downward rotation of the sliding plate will be pulled by the hinge rod, which will pull the sliding plate to slide down along the rotating plate. The sliding plate pushes away the impurities on the rotating plate, preventing the impurities from sticking to the rotating plate and improving the cleaning effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the sliding door of the present invention;

[0020] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of section A in the middle;

[0021] Figure 4 This is a schematic cross-sectional view of the meter box body of the present invention;

[0022] Figure 5 This is a schematic diagram of the inner wall structure of the meter box body of the present invention;

[0023] Figure 6 This is a schematic diagram of the sliding door and L-shaped plate structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the trapezoidal plate and rotating plate structure of the present invention.

[0025] In the diagram: 1. Meter box body; 2. Box door; 3. Sliding door; 4. Heat dissipation groove; 5. Fixing block; 6. Protective cover; 7. Trapezoidal block; 8. Short plate; 9. Trapezoidal sliding plate; 10. Pull plate; 11. Triangular slider; 12. Connecting plate; 13. Sliding plate; 141. Elastic telescopic plate; 142. Sealing ring; 143. L-shaped plate; 144. Fixing seat; 145. Rotating plate; 146. Connecting seat; 147. Trapezoidal pull rod; 148. Card seat; 149. Dehumidifying plate; 1410. Sliding rod; 151. Trapezoidal plate; 152. Rotating plate; 153. Pulley frame; 154. Rotating plate; 155. Fixing frame; 156. Hinge rod; 157. Sliding long plate. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1-7 One embodiment of the present invention is: a modular smart grid meter box, comprising: a meter box body 1, a door 2, the door 2 being slidably mounted on the inner wall of the meter box body 1; a sliding door 3, the sliding door 3 being slidably mounted on the inner wall of the meter box body 1; a heat dissipation groove 4, the heat dissipation groove 4 being formed on the surface of the door 2; a fixing block 5, the fixing block 5 being fixedly mounted on the bottom of the sliding door 3; a protective cover 6 being fixedly mounted on the surface of the meter box body 1; a trapezoidal block 7 being slidably mounted on the inner wall of the meter box body 1; and a short plate 8 being fixedly mounted on the surface of the trapezoidal block 7. A trapezoidal sliding plate 9 is fixedly installed on the surface of the meter box body 1. A pull plate 10 is fixedly installed on the side of the trapezoidal block 7 away from the meter box body 1. A connecting plate 12 is slidably installed on the surface of the meter box body 1. A triangular slider 11 is fixedly installed on the top of the connecting plate 12. A sliding plate 13 is fixedly installed on the surface of the trapezoidal sliding plate 9. The side of the sliding plate 13 near the connecting plate 12 is provided with an inclined surface to prevent the sliding door 3 from automatically springing back after being opened, which may cause the maintenance personnel to get their hands caught during the maintenance process, affecting the maintenance personnel's maintenance.

[0028] A first spring is installed between the meter box body 1 and the trapezoidal block 7. When the trapezoidal block 7 is separated from the fixed block 5, the first spring will drive the trapezoidal block 7 to reset. A second spring is installed between the meter box body 1 and the trapezoidal slide plate 9. When the trapezoidal slide plate 9 is separated from the short plate 8, the elastic force of the second spring will drive the trapezoidal slide plate 9 to reset. A third spring is installed between the meter box body 1 and the connecting plate 12. When the fixed block 5 is separated from the triangular slider 11, the elastic force of the third spring will drive the connecting plate 12 to reset.

[0029] In this embodiment, during operation: Pulling the sliding door 3 away from the box door 2 allows the meter box body 1 to open laterally. This avoids obstructing the passageway in narrow corridors, preventing pedestrian access and expanding its applicability. Simultaneously, the movement of the sliding door 3 away from the box door 2 causes the fixing block 5 to move away from the box door 2 as well. During this movement, the fixing block 5 contacts the trapezoidal block 7, pushing it downwards. Once the trapezoidal block 7 disengages from the fixing block 5, the spring force of spring number 1 resets the trapezoidal block 7, limiting the fixing block 5 and preventing the sliding door 3 from automatically springing back after opening, which could potentially trap the hands of maintenance personnel during repairs. Furthermore, when closing the sliding door 3, pulling the pull plate 10 downwards... The movement of the sliding door 3 causes trapezoidal block 7 to move downwards, releasing the restriction on fixed block 5. Simultaneously, trapezoidal block 7 moves short plate 8 downwards. During this downward movement, short plate 8 contacts trapezoidal sliding plate 9, which resets and limits short plate 8. This eliminates the need to continuously pull the pull plate to close the sliding door 3, making operation more convenient. During the reset process, fixed block 5 pushes triangular slider 11 and connecting plate 12 downwards. The downward movement of connecting plate 12 pushes sliding plate 13 away from short plate 8. This movement of sliding plate 13 away from short plate 8 causes trapezoidal sliding plate 9 to move away from short plate 8, releasing the restriction on short plate 8. This allows trapezoidal block 7 to reset under the force of spring number one, improving the equipment's practicality.

[0030] Please see Figures 1-7Based on the above embodiments, in another embodiment of the present invention, the meter box body 1 is provided with a sealing device to prevent rainwater from entering and a dust removal device to prevent the accumulation of impurities and dust. The sealing device includes an elastic telescopic plate 141, a sealing ring 142, an L-shaped plate 143, a fixing seat 144, a rotating plate 145, and a connecting seat 146. The elastic telescopic plate 141 is fixedly installed on the inner wall of the meter box body 1, the sealing ring 142 is fixedly installed on the free end of the elastic telescopic plate 141, and the L-shaped plate 143 is fixedly installed on the surface of the sliding door 3. The base 144 is fixedly installed on the surface of the sealing ring 142, and the connecting base 146 is slidably installed on the bottom of the inner wall of the meter box body 1. One end of the rotating plate 145 is rotatably installed on the inner wall of the fixed base 144, and the other end of the rotating plate 145 away from the fixed base 144 is rotatably installed on the inner wall of the connecting base 146. The sealing ring 142 contacts the sliding door 3 to seal the four sides of the sliding door 3, preventing rainwater from entering the inside of the meter box body 1 from the gaps in the sliding door 3. Moisture may damage the electronic components inside the meter box body 1 and affect the normal use of the equipment.

[0031] A trapezoidal pull rod 147 is fixedly installed on the surface of the sealing ring 142. A card seat 148 is fixedly installed on the inner wall of the meter box body 1. A dehumidifying plate 149 is slidably installed inside the card seat 148. A sliding rod 1410 slides through the bottom of the card seat 148. By moving the dehumidifying plate 149 upward, it cooperates with the heat dissipation groove 4 to push down the impurities adhering to the dehumidifying plate 149, preventing the impurities from adhering and affecting the dehumidification effect of the dehumidifying plate 149.

[0032] A No. 4 spring is provided between the connecting seat 146 and the meter box body 1. When the connecting seat 146 is disengaged from the L-shaped plate 143, the elastic force of the No. 4 spring will drive the connecting seat 146 to reset. A No. 5 spring is provided between the card seat 148 and the sliding rod 1410. When the sliding rod 1410 is disengaged from the trapezoidal pull rod 147, the elastic force of the No. 5 spring will automatically drive the sliding rod 1410 to reset.

[0033] The debris removal device includes a trapezoidal plate 151, a rotating plate 152, a pulley frame 153, and a rotating plate 154. The trapezoidal plate 151 is slidably installed on the inner wall of the meter box body 1, the pulley frame 153 is slidably installed on the inner wall of the meter box body 1, one end of the rotating plate 152 is rotatably installed on the inner wall of the trapezoidal plate 151, the other end of the rotating plate 152 is rotatably installed on the inner wall of the pulley frame 153, and the rotating plate 154 is rotatably installed on the inner wall of the meter box body 1. By rotating the rotating plate 154 downward, the bottom of the meter box body 1 is opened, preventing the meter box, which has not been cleaned or maintained for a long time, from accumulating dust, corrosive substances, or water, which may affect electrical contact or even cause electrical faults.

[0034] A fixed bracket 155 is fixedly installed on the inner wall of the meter box body 1. A sliding long plate 157 is slidably installed on the surface of the rotating plate 154. One end of the hinge rod 156 is rotatably installed on the inner wall of the fixed bracket 155, and the other end of the hinge rod 156 is rotatably installed on the inner wall of the sliding long plate 157. The sliding long plate 157 pushes away the impurities on the rotating plate 154, preventing the impurities from adhering to the rotating plate 154 and improving the cleaning effect.

[0035] A No. 6 spring is installed between the trapezoidal plate 151 and the meter box body 1. When the trapezoidal plate 151 is separated from the L-shaped plate 143, the No. 6 spring will drive the trapezoidal plate 151 to reset. A No. 1 torsion spring is installed between the rotating plate 154 and the meter box body 1. When the rotating plate 154 is separated from the pulley frame 153, the No. 1 torsion spring will drive the rotating plate 154 to reset.

[0036] In this embodiment, during the resetting process of the sliding door 3, the L-shaped plate 143 moves towards the door 2. This movement pushes the connecting seat 146 towards the fixed seat 144. The rotation of the connecting seat 146 towards the fixed seat 144 causes the rotating plate 145 to rotate. This rotation compresses the fixed seat 144, causing it to move towards the sliding door 3. The movement of the fixed seat 144 towards the sliding door 3 pushes the sealing ring 142 towards the sliding door 3. The sealing ring 142 then contacts the perimeter of the sliding door 3, sealing the perimeter of the sliding door 3. To prevent rainwater from entering the meter box body 1 through the gaps in the sliding door 3, as moisture may damage the electronic components inside the meter box body 1 and affect the normal operation of the equipment, the sealing ring 142 moves towards the sliding door 3, which in turn moves the trapezoidal pull rod 147 towards the sliding door 3. The movement of the trapezoidal pull rod 147 towards the sliding door 3 pushes the sliding rod 1410 upward, which in turn moves the dehumidification plate 149 upward. The upward movement of the dehumidification plate 149, in conjunction with the heat dissipation groove 4, pushes down the impurities adhering to the dehumidification plate 149, preventing the impurities from adhering and affecting the dehumidification effect of the dehumidification plate 149.

[0037] When the sliding door 3 opens, it moves the L-shaped plate 143 away from the door 2. This movement of the L-shaped plate 143 brings it into contact with the trapezoidal plate 151, which in turn pushes the trapezoidal plate 151 away from the sliding door 3. This movement of the trapezoidal plate 151 then pushes the rotating plate 152 downwards. The downward rotation of the rotating plate 152 compresses the pulley bracket 153, causing it to move downwards. The downward movement of the pulley bracket 153 then pushes the rotating plate 154 downwards. This downward rotation of the rotating plate 154 opens the bottom of the meter box body 1, preventing damage from prolonged periods without cleaning or maintenance. The inside of the meter box may accumulate dust, corrosion, or water, which may affect electrical contact or even cause electrical malfunctions. Opening the bottom of the meter box body 1 allows for the direct removal of impurities without manual cleaning, improving work efficiency. Simultaneously, as the rotating plate 154 rotates downwards, it drives the sliding plate 157 downwards. The downward rotation of the sliding plate 157 is pulled by the hinge rod 156, which in turn pulls the sliding plate 157 downwards along the rotating plate 154. The sliding plate 157 pushes away impurities on the rotating plate 154, preventing them from adhering to the rotating plate 154 and improving cleaning effectiveness.

[0038] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular smart grid meter box, used in smart grid meter boxes, comprising: The meter box body (1) is characterized by: Box door (2), the box door (2) is slidably installed on the inner wall of the meter box body (1); Sliding door (3), the sliding door (3) is slidably installed on the inner wall of the meter box body (1); Heat dissipation groove (4) is formed on the surface of the meter box body (1); A fixing block (5) is fixedly installed at the bottom of the sliding door (3); A protective cover (6) is fixedly installed on the surface of the meter box body (1). A trapezoidal block (7) is slidably installed on the inner wall of the meter box body (1). A short plate (8) is fixedly installed on the surface of the trapezoidal block (7). A trapezoidal sliding plate (9) is fixedly installed on the surface of the meter box body (1). A pull plate (10) is fixedly installed on the side of the trapezoidal block (7) away from the meter box body (1). A connecting plate (12) is slidably installed on the surface of the meter box body (1). A triangular slider (11) is fixedly installed on the top of the connecting plate (12). A sliding plate (13) is fixedly installed on the surface of the trapezoidal sliding plate (9). An inclined surface is provided on the side of the sliding plate (13) close to the connecting plate (12). A sealing device for preventing rainwater from entering and a dust removal device for preventing the accumulation of impurities and dust are provided on the meter box body (1). The sealing device includes an elastic telescopic plate (141), a sealing ring (142), an L-shaped plate (143), a fixed seat (144), a rotating plate (145), and a connecting seat (146). The elastic telescopic plate (141) is fixedly installed on the inner wall of the meter box body (1). The sealing ring (142) is fixedly installed on the free end of the elastic telescopic plate (141). The L-shaped plate (143) is fixedly installed on the surface of the sliding door (3). The fixed seat (144) is fixedly installed on the surface of the sealing ring (142). The connecting seat (146) is slidably installed on the bottom of the inner wall of the meter box body (1). One end of the rotating plate (145) is rotatably installed on the inner wall of the fixed seat (144). The other end of the rotating plate (145) away from the fixed seat (144) is rotatably installed on the inner wall of the connecting seat (146).

2. The modular smart grid meter box according to claim 1, characterized in that: A first spring is provided between the meter box body (1) and the trapezoidal block (7), a second spring is provided between the meter box body (1) and the trapezoidal sliding plate (9), and a third spring is provided between the meter box body (1) and the connecting plate (12).

3. A modular smart grid meter box according to claim 2, characterized in that: A trapezoidal pull rod (147) is fixedly installed on the surface of the sealing ring (142), a card seat (148) is fixedly installed on the inner wall of the meter box body (1), a dehumidifying plate (149) is slidably installed inside the card seat (148), and a sliding rod (1410) is slidably passed through the bottom of the card seat (148).

4. A modular smart grid meter box according to claim 3, characterized in that: A No. 4 spring is provided between the connecting seat (146) and the meter box body (1), and a No. 5 spring is provided between the card seat (148) and the sliding rod (1410).

5. A modular smart grid meter box according to claim 4, characterized in that: The waste removal device includes a trapezoidal plate (151), a rotating plate (152), a pulley frame (153), and a rotating plate (154). The trapezoidal plate (151) is slidably installed on the inner wall of the meter box body (1). The pulley frame (153) is slidably installed on the inner wall of the meter box body (1). One end of the rotating plate (152) is rotatably installed on the inner wall of the trapezoidal plate (151). The other end of the rotating plate (152) is rotatably installed on the inner wall of the pulley frame (153). The rotating plate (154) is rotatably installed on the inner wall of the meter box body (1).

6. A modular smart grid meter box according to claim 5, characterized in that: A fixed frame (155) is fixedly installed on the inner wall of the meter box body (1), and a sliding long plate (157) is slidably installed on the surface of the rotating plate (154). A hinge rod (156) is rotatably installed on the inner wall of the fixed frame (155), and one end of the hinge rod (156) away from the fixed frame (155) is rotatably installed on the inner wall of the sliding long plate (157).

7. A modular smart grid meter box according to claim 6, characterized in that: A No. 6 spring is provided between the trapezoidal plate (151) and the meter box body (1), and a No. 1 torsion spring is provided between the rotating plate (154) and the meter box body (1).

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