Energy-saving low-voltage mutual inductor type metering box

Abstract

The application belongs to the technical field of metering boxes, and specifically discloses an energy-saving low-voltage mutual inductor type metering box, which comprises a box body, two rotating doors are rotationally connected to one side of the box body, a convenient mechanism is rotationally connected to the inner side of the rotating door, the convenient mechanism is convenient for overhauling and installing internal electronic elements of the box body, elastic pushing mechanisms are rotationally connected to the two sides of the inside of the box body, a loading and unloading mechanism is arranged outside the box body, the loading and unloading mechanism is convenient for installing the box body, the convenient mechanism comprises limiting sliding grooves, and the two limiting sliding grooves are respectively arranged at the two sides of the top end of the inside of the box body. The convenient mechanism and the elastic pushing mechanism can open the side edge of the box body of the energy-saving low-voltage mutual inductor type metering box, and are convenient for installing or overhauling the electronic elements or cables in the box body, so that time and labor are saved, the installation efficiency is improved, and the work load of workers is reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of metering boxes, and particularly discloses an energy-saving low-voltage transformer type metering box. BACKGROUND

[0002] The energy-saving low-voltage transformer type metering box is a metering device for a low-voltage power system. It adopts a transformer to accurately measure current and voltage, and can accurately measure power consumption. It has energy-saving characteristics, reduces its own energy consumption through optimized design and selection of low-loss materials. At the same time, it has good protection performance, can effectively protect internal components from external environment, and is widely used in industrial, commercial and residential power metering fields, and provides reliable support for accurate billing and power management.

[0003] The box body of the existing energy-saving low-voltage transformer type metering box can only be opened at the front side, and the side edge cannot be opened. The space inside the box body is limited, so when installing or repairing electronic components and cables, the side edge is not convenient for repair or installation due to the narrow space, which is time-consuming and laborious, reduces the installation efficiency, and also increases the work load of the workers. SUMMARY

[0004] Therefore, the application aims to provide an energy-saving low-voltage transformer type metering box to solve the problem that the side edge of the box body of the existing energy-saving low-voltage transformer type metering box is narrow, which is not convenient for repair or installation, and is time-consuming and laborious, reduces the installation efficiency, and also increases the work load of the workers.

[0005] To achieve the above purpose, the application provides an energy-saving low-voltage transformer type metering box, which comprises a box body, two rotating doors are rotatably connected to one side of the box body, a convenient mechanism is rotatably connected to the inner side of the rotating door, the convenient mechanism is convenient for repairing and installing the internal electronic components of the box body, elastic pushing mechanisms are rotatably connected to the two sides of the inside of the box body, a loading and unloading mechanism is arranged outside the box body, and the loading and unloading mechanism is convenient for installing the box body.

[0006] In the above technical scheme, preferably, the convenient mechanism comprises limiting sliding grooves, two of which are respectively arranged at the two sides of the inner top end of the box body, a sliding block is slidably connected in the limiting sliding groove, a moving block is fixedly connected to the bottom of the sliding block, a sliding block is fixedly connected to one side of the top of the moving block, a connecting rod is rotatably connected to the bottom of the moving block, side doors are rotatably connected to the two sides of the box body, a butt sliding strip is fixedly connected to the inner top of the side door, a moving strip is fixedly connected to the inner top of the side door, fixed strips are fixedly connected to the two sides of the inner top end of the box body, and the moving strip and the fixed strip are slidably connected to the inner side of the sliding block.

[0007] In the above technical scheme, preferably, the elastic pushing mechanism comprises rotating cylinders, two of which are rotatably connected to the two sides of the inner bottom end of the box body near the rotating door, a limiting ring is slidably connected in the rotating cylinder, a movable rod is fixedly connected to one side of the limiting ring away from the rotating door, the movable rod is rotatably connected to the inner side of the side door away from the rotating cylinder, and a tension spring is arranged in the rotating cylinder.

[0008] In the above technical scheme, preferably, the loading and unloading mechanism comprises four mounting ears and a mounting plate, the four mounting ears are fixedly connected to the bottom of the box body and the side of the box body away from the rotating door, mounting sliding grooves are arranged in the two sides of the mounting plate, the mounting ears are slidably connected in the mounting sliding grooves, clamping holes are arranged in the two sides of the mounting plate, two fixed cylinders are fixedly connected to the inner bottom of the box body, a sliding limiting disc is slidably connected in the fixed cylinder, a plug rod is fixedly connected to the middle of the sliding limiting disc, and a spring is arranged in the fixed cylinder.

[0009] In the above technical scheme, preferably, one end of the tension spring is fixedly connected to the inside of the rotating cylinder, and the other end of the tension spring is fixedly connected to the inside of the movable rod.

[0010] In the above technical scheme, preferably, the inner side of the side door is fixedly connected with a mounting disc, and a rotating ear is rotatably connected to one side of the mounting disc away from the side door.

[0011] In the above technical scheme, preferably, the rotating ear is fixedly connected with an abutting column on the side close to the side door, and the abutting column is in contact with the inner side of the box body on the side away from the rotating ear.

[0012] In the above technical scheme, preferably, one end of the spring is fixedly connected to one end of the fixed cylinder, and the other end of the spring is fixedly connected to the top of the sliding limiting disc.

[0013] In the above technical scheme, preferably, the box is fixedly connected with a blocking rod on the side away from the rotating door, and the two mounting ears are fixedly connected on the two sides of the blocking rod respectively.

[0014] In the above technical scheme, preferably, mounting holes are formed at the four corners of the mounting plate, and the bottom of the inserting rod is clamped with the clamping hole.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] The present application can open the side edge of the box of the energy-saving low-voltage mutual inductor type metering box through the convenient mechanism and the elastic pushing mechanism, thereby increasing the working space of the side edge of the box, facilitating the installation or maintenance of the electronic components or cables inside the box, saving time and effort, improving the installation efficiency, and reducing the work load of the workers.

[0017] The present application can realize the suspension type installation and ground installation of the energy-saving low-voltage mutual inductor type metering box through the mounting and dismounting mechanism, thereby increasing the practicability of the box of the energy-saving low-voltage mutual inductor type metering box, and facilitating the installation of the box and improving the convenience of the installation of the box. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application is a three-dimensional Figure One ;

[0019] Figure 2 The present application is a three-dimensional Figure Two ;

[0020] Figure 3 The present application is a three-dimensional ;

[0021] Figure 4 The present application is a three-dimensional ;

[0022] Figure 5 The present application is a three-dimensional ;

[0023] Figure 6 The present application is a three-dimensional ;

[0024] Figure 7 The present application is a three-dimensional ;

[0025] Figure 8 The present application is a three-dimensional ;

[0026] Figure 9 It is a structural schematic diagram of the moving strip of the present application;

[0027] Figure 10 It is a structural schematic diagram of the rotating cylinder of the present application;

[0028] Figure 11 It is a structural schematic diagram of the mounting plate of the present application;

[0029] Figure 12 It is a structural schematic diagram of the fixed cylinder of the present application;

[0030] Figure 13 It is a structural schematic diagram of the side door of the present application;

[0031] Figure 14 It is a structural schematic diagram of the rotating ear of the present application.

[0032] In the figure: 1, box body; 2, rotating door; 3, convenient mechanism; 301, limiting sliding groove; 302, sliding block; 303, moving block; 304, sliding block; 305, connecting rod; 306, side door; 307, butt joint sliding strip; 308, moving strip; 309, fixed strip; 4, elastic pushing mechanism; 401, rotating cylinder; 402, limiting ring; 403, movable rod; 404, tension spring; 405, mounting disc; 406, rotating ear; 407, abutment column; 5, loading and unloading mechanism; 501, mounting ear; 502, blocking rod; 503, mounting plate; 504, mounting sliding groove; 505, clamping hole; 506, mounting hole; 507, fixed cylinder; 508, sliding limiting disc; 509, plug rod; 510, spring. DETAILED DESCRIPTION

[0033] In order to enable the above-mentioned objects, features and advantages of the present application to be more clearly understood, the present application will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed below.

[0035] As Figures 1-14 shown in a kind of energy-saving low-voltage mutual inductor type metering box, including box body 1, one side of box body 1 is rotatably connected with two rotating doors 2, the inner side of rotating door 2 is rotatably connected with convenient mechanism 3, convenient mechanism 3 is convenient to the inside electronic element of box body 1 and is overhauled and installed, the inside both sides of box body 1 are rotatably connected with elastic pushing mechanism 4, the outside of box body 1 is provided with loading and unloading mechanism 5, loading and unloading mechanism 5 is convenient to install box body 1.

[0036] The convenient mechanism 3 comprises limiting sliding grooves 301 which provide installation and sliding positions, two limiting sliding grooves 301 are respectively arranged at the two sides of the inner top of the box body 1, the limiting sliding grooves 301 are slidably connected with sliding blocks 302, the bottom of the sliding block 302 is fixedly connected with a moving block 303, the sliding block 302 can limit the movement track of the moving block 303 and can keep the movement stability of the moving block 303, one side of the top of the moving block 303 is fixedly connected with a sliding block 304, the bottom of the moving block 303 is rotatably connected with a connecting rod 305, when the rotating door 2 is opened, the sliding block 304 can be driven to move through the connecting rod 305, the two sides of the box body 1 are rotatably connected with side doors 306, after the side doors 306 are opened, the side of the box body 1 is not blocked, then when the electronic components or the circuit inside the box body 1 is installed or overhauled, the space for work can be enlarged, then the electronic components or the cable inside the box body 1 can be conveniently overhauled or replaced, the inner top of the side door 306 is fixedly connected with a butt joint sliding strip 307, the inner top of the side door 306 is fixedly connected with a moving strip 308, the two sides of the inner top of the box body 1 are fixedly connected with fixed strips 309, the moving strip 308 and the fixed strips 309 can be combined together under the action of the sliding block 304, the outer sides of the moving strip 308 and the fixed strips 309 are slidably connected to the inner side of the sliding block 304, one side of the connecting rod 305 away from the side door 306 is rotatably connected to the inner side of the rotating door 2, when the electronic components and the circuit inside the box body 1 are installed or overhauled, first, the rotating door 2 is opened, after the rotating door 2 is opened, one end of the connecting rod 305 connected with the rotating door 2 can be moved out of the inside of the box body 1, so that the other end of the connecting rod 305 can be moved to the direction of the rotating door 2, then the moving block 303 and the sliding block 304 can be moved to one side of the rotating door 2, when the rotating door 2 is opened by ninety degrees, part of the sliding block 304 is moved to the outside of the butt joint sliding strip 307, and the other part is moved out of the outside of the moving strip 308 and the fixed strips 309, at this time, the moving strip 308 and the fixed strips 309 can be separated, at this time, the side door 306 can be opened.

[0037] The elastic pushing mechanism 4 comprises rotating cylinders 401, which provide mounting positions, two rotating cylinders 401 are respectively rotatably connected to the inner bottom ends of the box body 1 near one end of the rotating door 2, the inner part of the rotating cylinder 401 is slidably connected with a limiting ring 402, the limiting ring 402 can limit, the side of the limiting ring 402 away from the rotating door 2 is fixedly connected with a movable rod 403, the end of the movable rod 403 away from the limiting ring 402 is rotatably connected to the inner side of the side door 306, the stretching or retracting of the movable rod 403 can push or pull the side door 306 to open or reset, the inner part of the rotating cylinder 401 is provided with a tension spring 404, the reaction force of the tension spring 404 can push the movable rod 403 to stretch, thereby assisting the opening of the side door 306, one end of the tension spring 404 is fixedly connected to the inner part of the rotating cylinder 401, the other end of the tension spring 404 is fixedly connected to the inner part of the movable rod 403, the inner side of the side door 306 is fixedly connected with a mounting disc 405, which provides a mounting position, the side of the mounting disc 405 away from the side door 306 is rotatably connected with a rotating lug 406, the side of the rotating lug 406 near the side door 306 is fixedly connected with a resisting column 407, the rotating of the rotating lug 406 drives the rotating of the resisting column 407, thereby the abutting of the butt joint sliding strip 307 against the inner side of the box body 1 can not make the side door 306 rotate and open under the action of the movable rod 403, the side of the resisting column 407 away from the rotating lug 406 is in contact with the inner side of the box body 1, when the moving strip 308 and the fixed strip 309 can be separated, the rotating lug 406 is rotated from the transverse state to the vertical state, at this time, the resisting column 407 will not abut against the inner side of the box body 1, thereby under the action of the reaction force of the tension spring 404, the movable rod 403 can move outward, thereby pushing the side door 306 to rotate and open, thereby the side door 306 can be pushed away when mounting or repairing the electronic elements or circuits in the box body 1, so that the working space in the box body 1 is enlarged, thereby the repair of the electronic elements or circuits in the box body 1 is facilitated.

[0038] The loading and unloading mechanism 5 comprises four mounting ears 501 and a mounting plate 503, the mounting ears 501 can provide mounting positions, the mounting plate 503 can facilitate the mounting of the box body 1, the four mounting ears 501 are fixedly connected to the bottom of the box body 1 and the side of the box body 1 away from the rotating door 2 respectively, mounting sliding grooves 504 are formed in the inside of the two sides of the mounting plate 503, the mounting sliding grooves 504 can facilitate the sliding of the mounting ears 501 into the inside of the mounting plate 503, the mounting ears 501 are slidingly connected in the inside of the mounting sliding grooves 504, clamping holes 505 are formed in the inside of the two sides of the mounting plate 503, two fixed cylinders 507 are fixedly connected to the inside bottom of the box body 1, the fixed cylinders 507 can provide mounting positions, a sliding limiting disc 508 is slidingly connected in the inside of the fixed cylinder 507, the sliding limiting disc 508 has a limiting function, an insertion rod 509 is fixedly connected to the middle of the sliding limiting disc 508, after the insertion rod 509 is inserted into the inside of the clamping hole 505, the insertion rod 509 can prevent the mounting plate 503 mounted on the bottom of the box body 1 from sliding out of the bottom of the box body 1, a spring 510 is arranged in the inside of the fixed cylinder 507, the spring 510 can reset the sliding limiting disc 508 by using the reaction force of itself, one end of the spring 510 is fixedly connected to one end of the fixed cylinder 507, the other end of the spring 510 is fixedly connected to the top of the sliding limiting disc 508, a blocking rod 502 is fixedly connected to the side of the box body 1 away from the rotating door 2, the two sides of the blocking rod 502 are fixedly connected to the two sides of the blocking rod 502 respectively, mounting holes 506 are formed in the four corners of the mounting plate 503, the bottom of the insertion rod 509 is clamped with the clamping hole 505, when the box body 1 is mounted, if it is mounted on the ground, the mounting sliding grooves 504 are aligned with the two mounting ears 501 on the bottom of the box body 1, and the mounting plate 503 is pushed in, at the same time, the top of the insertion rod 509 is lifted up, then the insertion rod 509 can be moved upwards, so that the sliding limiting disc 508 can be moved upwards, the spring 510 is compressed by using the sliding limiting disc 508, when the clamping hole 505 on the mounting plate 503 moves to the bottom of the insertion rod 509, the top of the insertion rod 509 is released, at this time, under the reaction force of the spring 510, the sliding limiting disc 508 can be moved downwards, so that the insertion rod 509 can be moved downwards, then the insertion rod 509 can be clamped in the inside of the clamping hole 505, the mounting of the mounting plate 503 on the bottom of the box body 1 is completed, when the box body 1 is detached from the mounting plate 503, the insertion rod 509 is only pulled up, and the box body 1 is only slid out of the top of the mounting plate 503, if the box body 1 is suspended and mounted, first, the mounting plate 503 is mounted on the wall to be mounted, at this time, the bottom of the mounting ear 501 on the rear side of the box body 1 is aligned with the mounting sliding groove 504 on the mounting plate 503 mounted on the wall, and the mounting ear 501 is slid into the inside of the mounting sliding groove 504, when the top of the suspended mounting plate 503 contacts the blocking rod 502, the mounting ear 501 cannot fall downwards any more, then the suspension mounting of the box body 1 is completed,When disassembling, only need to slide the box 1 upwards, when the mounting ear 501 is completely slid out of the inside of the mounting sliding groove 504, then the disassembly of the box 1 can be completed, when the mounting and dismounting mechanism 5 is mounted, if the box 1 is damaged, the box 1 can be directly disassembled from the mounting plate 503, and then a new box 1 is mounted on the mounting plate 503, which is convenient to install, saves time and effort.

[0039] Working principle: when the electronic components and circuits inside the box 1 are installed or repaired, first open the rotating door 2, after the rotating door 2 is opened, the end of the connecting rod 305 connected to the rotating door 2 is moved out of the inside of the box 1, thereby the other end of the connecting rod 305 is moved to the direction of the rotating door 2, in turn the moving block 303 and the sliding block 304 are moved to one side of the rotating door 2, when the rotating door 2 is opened by ninety degrees, part of the inside of the sliding block 304 is moved to the outside of the butt joint sliding strip 307, and the other part is moved out of the outside of the moving strip 308 and the fixed strip 309, at this time, there is no restriction of the sliding block 304, the moving strip 308 and the fixed strip 309 can be separated, at this time, the side door 306 can be opened;

[0040] When the moving strip 308 and the fixed strip 309 can be separated, the rotating ear 406 is rotated from the transverse state to the vertical state, at this time, the abutting column 407 will not abut against the inside of the box 1, in turn, under the action of the counter force of the tension spring 404, the movable rod 403 is pushed to move outward, in turn, the side door 306 is pushed to rotate and open, in turn, when the inside of the box 1 is installed or repaired, the side door 306 is pushed away, so that the working space inside the box 1 is enlarged, in turn, the repair of the electronic components or circuits inside the box 1 is facilitated;

[0041] When the box 1 is installed, if it is installed on the ground, the installation sliding groove 504 is aligned with the two installation ears 501 at the bottom of the box 1, and the installation plate 503 is pushed in, at the same time, the top of the insertion rod 509 is lifted up, then the insertion rod 509 can be moved up, so that the sliding limiting disc 508 can be moved up, the spring 510 is compressed by the sliding limiting disc 508, when the clamping hole 505 on the installation plate 503 moves to the bottom of the insertion rod 509, the top of the insertion rod 509 is released, at this time, under the action of the spring 510, the sliding limiting disc 508 can be moved down, so that the insertion rod 509 can be moved down, then the insertion rod 509 can be clamped in the clamping hole 505, the installation of the installation plate 503 on the bottom of the box 1 is completed, when the box 1 is disassembled from the installation plate 503, the insertion rod 509 is pulled up, and the box 1 is slid out of the top of the installation plate 503, if the box 1 is suspended and installed, first, the installation plate 503 is installed on the wall to be installed, at this time, the bottom of the installation ear 501 at the rear side of the box 1 is aligned with the installation sliding groove 504 on the installation plate 503 installed on the wall, and the installation ear 501 is slid into the installation sliding groove 504, when the top of the suspended installation plate 503 contacts the blocking rod 502, the installation ear 501 cannot fall down any more, then the suspension installation of the box 1 is completed, when disassembling, the box 1 is slid up, when the installation ear 501 is completely slid out of the installation sliding groove 504, the disassembly of the box 1 is completed, when the installation mechanism 5 is installed, if the box 1 is damaged, the box 1 can be directly disassembled from the installation plate 503, and a new box 1 can be installed on the installation plate 503, which is convenient to install and saves time and effort.

[0042] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. An energy-saving low-voltage transformer type metering box comprising a box body (1), characterized in that, One side of the box (1) is rotatably connected with two rotating doors (2), the inner side of the rotating door (2) is rotatably connected with a convenient mechanism (3), the convenient mechanism (3) is convenient for the maintenance and installation of the internal electronic components of the box (1), the inside of the box (1) is rotatably connected with elastic pushing mechanisms (4) on both sides, the outside of the box (1) is provided with a loading and unloading mechanism (5), the loading and unloading mechanism (5) is convenient for the installation of the box (1); The convenient mechanism (3) includes a limiting sliding groove (301), two limiting sliding grooves (301) are respectively formed in the inside top of the box (1) on both sides, the inside of the limiting sliding groove (301) is slidably connected with a sliding block (302), the bottom of the sliding block (302) is fixedly connected with a moving block (303), one side of the top of the moving block (303) is fixedly connected with a sliding block (304), the bottom of the moving block (303) is rotatably connected with a connecting rod (305), the two sides of the box (1) are rotatably connected with side doors (306), the inner side top of the side door (306) is fixedly connected with a butt sliding strip (307), the inside top of the side door (306) is fixedly connected with a moving strip (308), the inside top of the box (1) on both sides is fixedly connected with fixed strips (309), the moving strip (308) and the fixed strips (309) can be combined together under the action of the sliding block (304), the outside of the moving strip (308) and the fixed strips (309) are slidably connected to the inside of the sliding block (304), one side of the connecting rod (305) away from the side door (306) is rotatably connected to the inside of the rotating door (2), the rotating door (2) is opened, and after the rotating door (2) is opened, the one end of the connecting rod (305) connected to the rotating door (2) can be moved out of the inside of the box (1), so that the other end of the connecting rod (305) can be moved to the direction of the rotating door (2), and then the moving block (303) and the sliding block (304) can be moved to one side of the rotating door (2), when the rotating door (2) is opened by ninety degrees, part of the inside of the sliding block (304) moves to the outside of the butt sliding strip (307), and the other part moves out of the outside of the moving strip (308) and the fixed strips (309), at this time, the sliding block (304) is not limited, the moving strip (308) and the fixed strips (309) can be separated, and at this time, the side door (306) can be opened.

2. The energy-saving low voltage transformer type metering box according to claim 1, characterized in that, The elastic pushing mechanism (4) includes a rotating cylinder (401), two rotating cylinders (401) are rotatably connected to the inside bottom of the box (1) on both sides close to one end of the rotating door (2), the inside of the rotating cylinder (401) is slidably connected with a limiting ring (402), one side of the limiting ring (402) away from the rotating door (2) is fixedly connected with a movable rod (403), one end of the movable rod (403) away from the limiting ring (402) is rotatably connected to the inside of the side door (306), and the inside of the rotating cylinder (401) is provided with a tension spring (404).

3. The energy-saving low voltage transformer type metering box according to claim 1, characterized in that, The loading and unloading mechanism (5) comprises four mounting ears (501) and a mounting plate (503), the four mounting ears (501) are fixedly connected to the bottom of the box body (1) and the side of the box body (1) away from the rotating door (2) respectively, the mounting plate (503) is internally provided with mounting sliding grooves (504) on both sides, the mounting ears (501) are slidingly connected in the mounting sliding grooves (504), the mounting plate (503) is internally provided with clamping holes (505) on both sides, the inner bottom of the box body (1) is fixedly connected with two fixed cylinders (507), the fixed cylinders (507) are slidingly connected with sliding limiting discs (508) internally, the sliding limiting discs (508) are fixedly connected with inserting rods (509) in the middle, and the fixed cylinders (507) are provided with springs (510) internally.

4. The energy-saving low voltage transformer type metering box according to claim 2, characterized in that, One end of the tension spring (404) is fixedly connected to the inside of the rotating cylinder (401), and the other end of the tension spring (404) is fixedly connected to the inside of the movable rod (403).

5. The energy-saving low voltage transformer type metering box according to claim 1, characterized in that, The inner side of the side door (306) is fixedly connected with a mounting disc (405), and the side of the mounting disc (405) away from the side door (306) is rotatably connected with a rotating lug (406).

6. The energy-saving low voltage transformer type metering box according to claim 5, characterized in that, The side of the rotating lug (406) close to the side door (306) is fixedly connected with an abutting column (407), and the side of the abutting column (407) away from the rotating lug (406) is in contact with the inner side of the box body (1).

7. The energy-saving low voltage transformer type metering box according to claim 3, characterized in that, One end of the spring (510) is fixedly connected to one end of the fixed cylinder (507), and the other end of the spring (510) is fixedly connected to the top of the sliding limiting disc (508).

8. The energy-saving low voltage transformer type metering box according to claim 3, characterized in that, The side of the box body (1) away from the rotating door (2) is fixedly connected with a blocking rod (502), and the two mounting ears (501) are fixedly connected to the two sides of the blocking rod (502) respectively.

9. The energy-saving low voltage transformer type metering box according to claim 3, characterized in that, The mounting plate (503) is internally provided with mounting holes (506) at four corners, and the bottom of the inserting rod (509) is clamped in the clamping hole (505). The loading and unloading mechanism (5) comprises four mounting ears (501) and a mounting plate (503), the four mounting ears (501) are fixedly connected to the bottom of the box body (1) and the side of the box body (1) away from the rotating door (2) respectively, the mounting plate (503) is internally provided with mounting sliding grooves (504) on both sides, the mounting ears (501) are slidingly connected in the mounting sliding grooves (504), the mounting plate (503) is internally provided with clamping holes (505) on both sides, the inner bottom of the box body (1) is fixedly connected with two fixed cylinders (507), the fixed cylinders (507) are slidingly connected with sliding limiting discs (508) internally, the sliding limiting discs (508) are fixedly connected with inserting rods (509) in the middle, and the fixed cylinders (507) are provided with springs (510) internally.

Images