Metering cabinet for safe connection of handcart

Abstract

The utility model belongs to the technical field of metering cabinets, and particularly relates to a metering cabinet safely connected with a handcart, which comprises an aviation socket and an aviation plug, a first L-shaped locking block and a second L-shaped locking block are respectively and fixedly arranged on the same side of the aviation socket and the aviation plug, and a first semicircular locking block and a second semicircular locking block are respectively and rotatably arranged in a first cavity and a second cavity. One side of the first semicircular locking block is rotatably inserted into the second cavity, one side of the second semicircular locking block is rotatably inserted into the first cavity, the opposite faces of the first semicircular locking block and the second semicircular locking block abut against each other and are in a locked state, and a connecting rod is fixedly arranged on one side of the circumferential face of the first semicircular locking block. A reset mechanism is fixedly arranged on one side of the inner wall of the first cavity, through cooperation of the first semicircular locking block, the second semicircular locking block and the reset mechanism, when the aviation plug and the aviation socket are in butt joint assembly, the assembly locking effect can be synchronously completed, and the use safety coefficient of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of metering cabinets, in particular to a metering cabinet with a safe connection to a trolley. Background Art

[0002] The meter cabinet is a special cabinet used to accurately measure and monitor power parameters. It is a key equipment in the field of power technology and energy management technology. The meter cabinet is usually equipped with electric energy meters, mutual inductors, protection devices, etc. These devices can accurately measure and record power parameters such as current, voltage, active power, reactive power, and electric energy. The meter cabinet trolley is an important component of the meter cabinet, and the plug on the meter cabinet trolley is a key component to achieve electrical connection between the trolley and the meter cabinet.

[0003] The existing metering cabinet trolley plug is composed of a plug shell, a pin, a socket, a locking mechanism, etc. The working principle is as follows: the plug is inserted into the interface, and the locking mechanism is used to ensure that the plug is fixed on the interface to prevent it from falling off due to vibration or external force.

[0004] The existing meter cabinet trolley plug fixing structure has the following disadvantages: after the trolley is pushed into the meter cabinet, the plug on the upper end of the trolley needs to be inserted into the socket, but the fixing structure of the trolley plug requires the staff to fix it separately. Often the staff will inevitably forget to fix it and fail to fix the plug. The plug is easy to fall off due to short circuit due to loose fixation, which affects the safety of equipment use. Therefore, a meter cabinet with a trolley safe connection is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing meter cabinet trolley plug fixing structure, the problem of the need to insert the upper end plug of the trolley into the socket after the trolley is pushed into the meter cabinet is solved. However, the fixing structure of the trolley plug requires the staff to fix it separately. Often the staff will inevitably forget to fix it and fail to fix the plug. The plug is easy to fall off due to short circuit due to loose fixation, which affects the safety of equipment use. A meter cabinet with a safe connection of the trolley is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a metering cabinet for safe connection of a trolley described in the utility model comprises a metering cabinet body, a trolley chamber is arranged inside the metering cabinet body, a trolley body is assembled inside the trolley chamber, a socket plate is fixedly arranged on one side of the top end of the interior of the trolley chamber, an aviation socket is fixedly arranged on one side of the socket plate, a pin groove is arranged on one side of the aviation socket, an aviation plug is arranged on one side of the top end of the trolley body through a wire connection, a pin matching with the pin groove is arranged in a groove on one side of the aviation plug, a first L-shaped locking block is fixedly arranged on one side of the aviation plug, a second L-shaped locking block is fixedly arranged on one side of the socket plate at a position opposite to the first L-shaped locking block, and the first L-shaped locking block and the second L-shaped locking block are fixedly arranged on one side of the socket plate at a position opposite to the first L-shaped locking block. A first cavity and a second cavity are respectively provided in the locking block, and a first semicircular locking block and a second semicircular locking block are rotatably arranged in the first cavity and the second cavity respectively, one side of the first semicircular locking block is rotated and inserted into the second cavity, and one side of the second semicircular locking block is rotated and inserted into the first cavity, and the opposite surfaces of the first semicircular locking block and the second semicircular locking block are abutted against each other, which is in a locked state, a connecting rod is fixedly arranged on one side of the circumferential surface of the first semicircular locking block, and a reset mechanism is fixedly arranged on one side of the inner wall of the first cavity, and the other end of the reset mechanism is fixedly connected to one side of the connecting rod, and through the cooperation of the first semicircular locking block, the second semicircular locking block and the reset mechanism, the assembly locking effect can be synchronously completed when the aviation plug and the aviation socket are docked and assembled, thereby improving the safety factor of the equipment.

[0007] Preferably, the first semicircular locking block and the second semicircular locking block are respectively provided with a first arc guide groove and a second arc guide groove on both sides, and the first arc limit block and the second arc fixing block are respectively fixedly provided with a first arc limit block and a second arc fixing block on both sides of the inner walls of the first cavity and the second cavity, and the first arc limit block and the second arc fixing block are respectively slidably inserted into the first arc guide groove and the second arc guide groove, and through the cooperation between the above structures, the first semicircular locking block and the second semicircular locking block are guaranteed to rotate to achieve the opening and closing locking function.

[0008] Preferably, through slots are provided at the top and the middle of the bottom of the aviation plug, lock columns are fixedly provided at the top and the middle of the bottom of the aviation socket, a limit block is fixedly provided at one end of the lock column, a U-shaped lock handle is provided on the aviation plug housing through a rotating rod, arc-shaped lock grooves are provided on two parallel side plates of the U-shaped lock handle, and the lock column is arranged in the arc-shaped lock groove, and the assembly stability during plugging and docking is further guaranteed through the cooperation of the lock column, the U-shaped lock handle and the arc-shaped lock groove.

[0009] Preferably, a lever is fixedly provided on one side of the U-shaped lock handle through a fixing block, and one end of the lever extends to one side of the connecting rod. Through the cooperation between the lever and the U-shaped lock handle, the connecting rod can be synchronously moved when the U-shaped lock handle is opened to separate the first L-shaped lock block from the second L-shaped lock block.

[0010] Preferably, a first positioning block is fixedly provided at the longer end of the first L-shaped locking block, and a first positioning groove is provided at the shorter end; a second positioning block is fixedly provided at the longer end of the second L-shaped locking block, and a second positioning groove is provided at the shorter end; the first positioning block is inserted into the second positioning groove for cooperation, and the second positioning block is inserted into the first positioning groove for cooperation; through the cooperation of the first positioning block, the second positioning groove, the second positioning block and the first positioning groove, the first L-shaped locking block and the second L-shaped locking block are positioned.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a metering cabinet with safe connection of a handcart, in order to prevent the staff from forgetting to fix the plug due to missing, so that the plug falls off due to short circuit due to loose fixation, and the safety of equipment use is affected. First, when the staff docks and assembles the aviation plug with the aviation socket, the aviation plug drives the first L-shaped locking block to move toward the second L-shaped locking block, and at the same time, one side of the first semicircular locking block contacts and squeezes one end of the second L-shaped locking block, so that the first semicircular locking block rotates and drives the connecting rod to rotate at the same time. When the first semicircular locking block moves to the top of the second semicircular locking block, the first semicircular locking block is reset under the action of the reset mechanism and one end of the first semicircular locking block is inserted into the second cavity. At the same time, the first semicircular locking block drives the second semicircular locking block to rotate, so that one end of the second semicircular locking block is inserted into the inside of the first cavity. At this time, the purpose of locking the first L-shaped locking block and the second L-shaped locking block is achieved, and at the same time, the aviation plug and the aviation socket are fixed and limited, and the assembly locking effect of the two can be synchronously completed when the two are docked and inserted, thereby improving the safety factor of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0014] Figure 1 It is a three-dimensional picture of the whole;

[0015] Figure 2 It is an enlarged stereogram of the aviation socket fixing structure;

[0016] Figure 3 yes Figure 2 The enlarged structure diagram at A in the middle;

[0017] Figure 4 yes Figure 2 A central cross-sectional view of

[0018] Figure 5 yes Figure 2A top view of the plan;

[0019] Legend:

[0020] 1. Metering cabinet body; 2. Cart room; 3. Socket board; 4. Aviation socket; 5. Pin slot; 6. Cart body; 7. Wire; 8. Aviation plug; 10. Pin; 11. First L-shaped lock block; 12. Second L-shaped lock block; 13. First cavity; 14. Second cavity; 16. First semicircular lock block; 17. Second semicircular lock block; 18. First arc guide groove; 19. Second arc guide groove; 20. First arc limit block; 21. Second arc fixed block; 22. Connecting rod; 23. Reset mechanism; 24. Through slot; 25. Lock column; 26. Limit block; 27. U-shaped lock handle; 28. Arc lock groove; 29. ​​Fixed block; 30. Push rod; 31. First positioning block; 32. First positioning groove; 33. Second positioning block; 34. Second positioning groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Specific examples are given below.

[0023] See also Figure 1-Figure 5The utility model discloses a metering cabinet for safely connecting a trolley, comprising a metering cabinet body 1, a trolley chamber 2 is arranged inside the metering cabinet body 1, a trolley body 6 is assembled inside the trolley chamber 2, a socket plate 3 is fixedly arranged on one side of the top of the interior of the trolley chamber 2, an aviation socket 4 is fixedly arranged on one side of the socket plate 3, a pin groove 5 is arranged on one side of the aviation socket 4, an aviation plug 8 is connected to one side of the top of the trolley body 6 through a wire 7, a pin 10 matching the pin groove 5 is arranged in a groove on one side of the aviation plug 8, a first L-shaped lock block 11 is fixedly arranged on one side of the aviation plug 8, and a second L-shaped lock is fixedly arranged on one side of the socket plate 3 at a position opposite to the first L-shaped lock block 11. Block 12, a first cavity 13 and a second cavity 14 are respectively provided in the first L-shaped locking block 11 and the second L-shaped locking block 12, a first semicircular locking block 16 and a second semicircular locking block 17 are rotatably provided in the first cavity 13 and the second cavity 14, one side of the first semicircular locking block 16 is rotatably inserted into the second cavity 14, and one side of the second semicircular locking block 17 is rotatably inserted into the first cavity 13, the opposite surfaces of the first semicircular locking block 16 and the second semicircular locking block 17 are abutted against each other, and are in a locked state, a connecting rod 22 is fixedly provided on one side of the circumferential surface of the first semicircular locking block 16, a reset mechanism 23 is fixedly provided on one side of the inner wall of the first cavity 13, and the other end of the reset mechanism 23 is fixedly connected to one side of the connecting rod 22;

[0024] The first semicircular locking block 16 and the second semicircular locking block 17 are respectively provided with a first arc guide groove 18 and a second arc guide groove 19 on both sides, and the first cavity 13 and the second cavity 14 are respectively fixedly provided with a first arc limit block 20 and a second arc fixed block 21 on both sides of the inner wall, and the first arc limit block 20 and the second arc fixed block 21 are respectively slidably inserted into the first arc guide groove 18 and the second arc guide groove 19; the first L-shaped locking block 11 is fixedly provided with a first positioning block 31 on the longer end, and a first positioning block 31 is provided on the shorter end There is a first positioning groove 32, a second positioning block 33 is fixedly arranged at the longer end of the second L-shaped locking block 12, and a second positioning groove 34 is opened at the shorter end, the first positioning block 31 is inserted into the second positioning groove 34 for matching, and the second positioning block 33 is inserted into the first positioning groove 32 for matching. During work, in order to prevent the staff from forgetting to fix the plug and causing the plug to short-circuit and fall off due to loose fixation, which affects the safety of the equipment, first, when the staff assembles the aviation plug 8 with the aviation socket 4, the pin 10 is inserted The first semicircular locking block 16 is connected to the pin groove 5, and the aviation plug 8 drives the first L-shaped locking block 11 to move toward the second L-shaped locking block 12. At the same time, one side of the first semicircular locking block 16 contacts and squeezes one end of the second L-shaped locking block 12, so that the first semicircular locking block 16 rotates, and at the same time drives the connecting rod 22 to rotate. When the first semicircular locking block 16 moves to the top of the second semicircular locking block 17, the first semicircular locking block 16 is reset under the action of the reset mechanism 23 and one end of the first semicircular locking block 16 is inserted into the second cavity 14. At the same time, the first semicircular locking block 16 drives the second semicircular locking block 16 to rotate. The block 17 rotates so that one end of the second semicircular locking block 17 is inserted into the interior of the first cavity 13. At this time, the purpose of locking the first L-shaped locking block 11 and the second L-shaped locking block 12 is achieved. At the same time, the aviation plug 8 and the aviation socket 4 are fixed and limited, and the assembly locking effect of the two can be synchronously completed when the two are docked and inserted, thereby improving the safety factor of the equipment. At the same time, the first positioning block 31 is inserted into the second positioning groove 34, and the second positioning block 33 is inserted into the first positioning groove 32, ensuring that the first L-shaped locking block 11 and the second L-shaped locking block 12 are docked correctly.

[0025] Furthermore, a through slot 24 is provided at the middle of the top and bottom of the aviation plug 8, a lock column 25 is fixedly provided at the middle of the top and bottom of the aviation socket 4, a limit block 26 is fixedly provided at one end of the lock column 25, a U-shaped lock handle 27 is provided on the housing of the aviation plug 8 through a rotating rod, arc-shaped lock grooves 28 are provided on two parallel side plates of the U-shaped lock handle 27, the lock column 25 is provided in the arc-shaped lock groove 28, a lever 30 is fixedly provided on one side of the U-shaped lock handle 27 through a fixing block 29, and one end of the lever 30 extends to the connecting rod When working, the staff needs to move the trolley out after using it. First, the aviation plug 8 needs to be separated from the aviation socket 4, and the U-shaped lock handle 27 is rotated to make the arc-shaped lock groove 28 leave the lock column 25 to stop locking it. At the same time, the U-shaped lock handle 27 drives the fixed block 29 and the lever 30 to rotate, and the lever 30 rotates toward the connecting rod 22, and the connecting rod 22 is moved. The connecting rod 22 drives the first semicircular lock block 16 to rotate, so that the first semicircular lock block 16 leaves the second cavity 14, and the fixed structure can be unlocked synchronously to be separated and opened.

[0026] Working principle: In order to prevent the staff from forgetting to fix the plug, causing the plug to short-circuit and fall off due to loose fixation, which will affect the safety of equipment use, first, when the staff connects the aviation plug 8 with the aviation socket 4, the pin 10 is inserted into the pin slot 5 for connection, and at the same time, the aviation plug 8 drives the first L-shaped locking block 11 to move toward the second L-shaped locking block 12, and at the same time, one side of the first semicircular locking block 16 contacts and squeezes one end of the second L-shaped locking block 12, so that the first semicircular locking block 16 rotates, and at the same time drives the connecting rod 22 to rotate. When the first semicircular locking block 16 moves to the top of the second semicircular locking block 17, the first semicircular locking block 16 is reset under the action of the reset mechanism 23 and one end of the first semicircular locking block 16 is inserted into the second cavity 14. At the same time, the first semicircular locking block 16 drives the second semicircular locking block 17 to rotate, so that one end of the second semicircular locking block 17 is inserted into the first cavity 13. At this time, the first L-shaped locking block 11 and the second L-shaped locking block 1 are locked. 2 The purpose of locking is to fix and limit the aviation plug 8 and the aviation socket 4 at the same time, and the assembly locking effect of the two can be completed synchronously when the two are docked and inserted, thereby improving the safety factor of the equipment; at the same time, the first positioning block 31 is inserted into the second positioning groove 34, and the second positioning block 33 is inserted into the first positioning groove 32, so as to ensure that the first L-shaped locking block 11 and the second L-shaped locking block 12 are docked correctly; when the staff needs to move the trolley out after using it, they first need to separate the aviation plug 8 from the aviation socket 4, rotate the U-shaped lock handle 27, make the arc-shaped lock groove 28 leave the lock column 25, stop locking it, and at the same time, the U-shaped lock handle 27 drives the fixed block 29 and the lever 30 to rotate, the lever 30 rotates toward the direction of the connecting rod 22, and the connecting rod 22 is toggled, the connecting rod 22 drives the first semicircular locking block 16 to rotate, so that the first semicircular locking block 16 leaves the second cavity 14, and the fixed structure can be unlocked synchronously to separate and open it.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A metering cabinet with a safe connection to a trolley, characterized in that: The invention comprises a metering cabinet body (1), wherein a trolley chamber (2) is arranged inside the metering cabinet body (1), wherein a trolley body (6) is assembled inside the trolley chamber (2), wherein a socket plate (3) is fixedly arranged on one side of the top end of the trolley chamber (2), wherein an aviation socket (4) is fixedly arranged on one side of the socket plate (3), wherein a pin groove (5) is arranged on one side of the aviation socket (4), wherein an aviation plug (8) is connected to one side of the top end of the trolley body (6) via a wire (7), wherein a pin (10) matching with the pin groove (5) is arranged in a groove on one side of the aviation plug (8), wherein a first L-shaped locking block (11) is fixedly arranged on one side of the aviation plug (8), wherein a second L-shaped locking block (12) is fixedly arranged on one side of the socket plate (3) at a position opposite to the first L-shaped locking block (11), wherein the first L The first L-shaped locking block (11) and the second L-shaped locking block (12) are respectively provided with a first cavity (13) and a second cavity (14); the first cavity (13) and the second cavity (14) are respectively provided with a first semicircular locking block (16) and a second semicircular locking block (17) rotatably; one side of the first semicircular locking block (16) is rotatably inserted into the second cavity (14); one side of the second semicircular locking block (17) is rotatably inserted into the first cavity (13); the opposite surfaces of the first semicircular locking block (16) and the second semicircular locking block (17) are abutted against each other, and are in a locked state; a connecting rod (22) is fixedly provided on one side of the circumferential surface of the first semicircular locking block (16); a reset mechanism (23) is fixedly provided on one side of the inner wall of the first cavity (13); the other end of the reset mechanism (23) is fixedly connected to one side of the connecting rod (22).

2. A metering cabinet for safe connection of a trolley according to claim 1, characterized in that: A first arc-shaped guide groove (18) and a second arc-shaped guide groove (19) are respectively provided on both sides of the first semicircular locking block (16) and the second semicircular locking block (17); a first arc-shaped limit block (20) and a second arc-shaped fixed block (21) are respectively fixedly provided on both sides of the inner walls of the first cavity (13) and the second cavity (14); the first arc-shaped limit block (20) and the second arc-shaped fixed block (21) are respectively slidably inserted into the first arc-shaped guide groove (18) and the second arc-shaped guide groove (19).

3. A metering cabinet for safe connection of a trolley according to claim 1, characterized in that: The top and bottom middle parts of the aviation plug (8) are both provided with through slots (24); the top and bottom middle parts of the aviation socket (4) are both fixedly provided with lock columns (25); a limit block (26) is fixedly provided at one end of the lock column (25); a U-shaped lock handle (27) is provided on the housing of the aviation plug (8) through a rotating rod, arc-shaped lock grooves (28) are provided on two parallel side plates of the U-shaped lock handle (27), and the lock column (25) is arranged in the arc-shaped lock groove (28).

4. A metering cabinet for safe connection of a trolley according to claim 3, characterized in that: A lever (30) is fixedly provided on one side of the U-shaped lock handle (27) via a fixing block (29), and one end of the lever (30) extends to one side of the connecting rod (22).

5. The metering cabinet for safe connection of a trolley according to claim 1, characterized in that: A first positioning block (31) is fixedly provided at the longer end of the first L-shaped locking block (11), and a first positioning groove (32) is provided at the shorter end; a second positioning block (33) is fixedly provided at the longer end of the second L-shaped locking block (12), and a second positioning groove (34) is provided at the shorter end; the first positioning block (31) is inserted into the second positioning groove (34) for matching arrangement, and the second positioning block (33) is inserted into the first positioning groove (32) for matching arrangement.

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