A quick-detachable electric energy meter

Abstract

The invention relates to the technical field of electric energy meters, and specifically to a quickly detachable electric energy meter, comprising an electric energy meter body, a lower cover, a left cover and a right cover, a groove is provided in the middle of the lower cover, a plurality of circular grooves are provided at the left and right ends of the inner side wall of the groove, a spring is fixed in the circular groove, a long plate is fixed at the other end of the spring, gears are arranged on the upper and lower surfaces of the outer side of the groove, a plurality of circular arc grooves are provided on the outer side of the groove, a fixing column is hinged in the circular arc groove, a telescopic structure is fixed in the middle of the fixing column, a left cover is hinged on the left telescopic structure, a square groove is provided on the inner side of the left cover, a sliding groove is provided on the inner side of the square groove, the sliding groove and the gear are meshed and connected, a right cover is hinged on the right telescopic structure, the right cover and the left cover are axially symmetrical, the electric energy meter is placed in a cavity surrounded by the left cover, the right cover and the lower cover, so as to protect the inside of the electric energy meter, and at the same time, the left cover and the right cover are convenient to open and can be disassembled according to actual conditions, so as to facilitate disassembly and installation, and have good flexibility.

Description

Technical Field

[0001] The invention relates to the technical field of electric energy meters, in particular to a quickly detachable electric energy meter. Background Art

[0002] An electric energy meter is an instrument used to measure electric energy. It is also called an watt-hour meter, a fire meter, or a kilowatt-hour meter. It refers to an instrument that measures various electrical quantities. When using an electric energy meter, please note that under low voltage and low current conditions, the electric energy meter can be directly connected to the circuit for measurement. Under high voltage or high current conditions, the electric energy meter cannot be directly connected to the circuit and must be used in conjunction with a voltage transformer or a current transformer.

[0003] Existing electric energy meters are all directly installed with an integrated structure. When in use, the electric energy meter body is generally installed directly in the meter box, which has poor safety and stability during installation. It cannot be disassembled and assembled according to needs, has poor flexibility, and has no complete protection structure. When problems occur on the inside of the electric energy meter, there is no dedicated installation structure, which makes installation and disassembly inconvenient and has poor practicality. Summary of the invention

[0004] The object of the present invention is to provide a quickly detachable electric energy meter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a quickly detachable electric energy meter, comprising an electric energy meter body, a lower cover, a left cover and a right cover, wherein a groove is provided in the middle of the lower cover, the electric energy meter body is placed in the groove, a plurality of circular grooves are provided at both the left and right ends of the inner side wall of the groove, a spring is fixed in the circular groove, a long plate is fixed at the other end of the spring on each side, two fixing frames are provided on the upper and lower surfaces of the outer side of the groove, a gear is connected to the bearing on the fixing frame, a plurality of circular arc grooves are provided on the left and right surfaces of the outer side of the groove at equal distances, a fixing column is hinged in the circular arc groove, and the fixing A telescopic structure is fixed in the middle of the fixed column, and a left cover is hinged to the telescopic structure on the left side, a square groove is provided on the inner side of the left cover, and sliding grooves are provided on the upper and lower surfaces of the inner side wall of the square groove, and the sliding grooves are meshingly connected with gears, and a plurality of placement grooves are provided at equal distances on the left side of the inner side wall of the square groove, and a fixed column is hinged on the inner side of the opening of the placement groove, and the other end of the left telescopic structure is fixed in the middle of the fixed column, two clamping blocks are provided on the right side end of the left cover, and a right cover is hinged to the telescopic structure on the right side, a finger groove is provided in the middle of the junction of the left cover and the right cover, and two clamping grooves are provided on the left side end of the right cover.

[0006] Preferably, four circular grooves are equidistantly provided at the left and right ends of the inner side wall of the groove, the length of the long plate is longer than the length of the electric energy meter body, the middle of the long plate is wavy, and the outer end of the long plate is inclined.

[0007] Preferably, the width of the left cover is half the width of the lower cover, the inner side of the right cover and the inner side structure of the left cover are consistent, the inner side structures of the right cover and the left cover are symmetrically distributed, an opening is provided in the middle of the block, and the outer side of the block is a triangular protrusion, the inner side width of the slot is greater than the opening width of the slot, the slot and the block are snapped together, and a notch is provided on the outermost side of the lower cover, the notch is in a circular shape, the upper surface height of the notch is lower than the upper surface height of the groove, the inner side surface of the groove is flush with the inner side surface of the square groove, a limiting groove is provided at the outer end of the square groove, the depth of the limiting groove is consistent with the depth of the notch, and the width from the inner side wall of the limiting groove to the outer side is consistent with the width of the notch.

[0008] Preferably, the fixing frame is in an inverted L-shape, a gear is connected to a bearing at the upper end of the fixing frame, the gear protrudes outward, and the width of the protruding part of the gear is consistent with the depth of the slide groove, the upper end of the inner side wall of the slide groove is serrated, the lower end of the inner side wall of the slide groove is horizontal, the left end of the inner side wall of the slide groove is arc-shaped, and the opening width of the right end of the slide groove is consistent with the outer diameter of the gear.

[0009] Preferably, the telescopic structure consists of two telescopic rods and an active joint, the telescopic rod consists of a sleeve and an inner rod, the upper end of the inner rod is provided with a movable groove, the lower end of the rod body of the inner rod is provided with an arc-shaped protrusion, the lower end of the inner rod is provided with two notches, the outer side of the inner rod is sleeved with a sleeve, the inner side wall of the sleeve is provided with circular grooves at equal distances, a fixing column is fixed to the lower end of the sleeve, the two ends of the fixing column are fixed to the inner side wall of the arc groove, and the two ends of another fixing column are fixed to the inner side wall of the placement groove.

[0010] Preferably, the middle of the movable joint is cylindrical, the two ends of the movable joint are semi-cylindrical, the width of the two ends of the movable joint is consistent with the inner width of the movable groove, the two ends of the movable joint are hinged through the rotating shaft and the upper end of the inner rod, and the length of the movable joint is consistent with twice the outer diameter of the sleeve.

[0011] Preferably, a plurality of placement grooves are equidistantly provided at the left end of the inner side wall of the square groove, the number of the placement grooves is consistent with the number of arc grooves on one side, the inner end of the placement groove is arc-shaped, and the depth of the placement groove is consistent with the length of the movable joint.

[0012] Compared with the prior art, the invention has the following advantages:

[0013] 1. The quick-detachable electric energy meter proposed by the present invention is placed in the cavity surrounded by the left cover, the right cover and the lower cover, which is convenient for protecting the inside of the electric energy meter. At the same time, the left cover and the right cover are easy to open and can be disassembled according to actual conditions. It is convenient to disassemble and install, and has good flexibility;

[0014] 2. The inner side of the lower cover provided at the lower end of the outer side of the quick-detachable electric energy meter proposed by the present invention is provided with a long plate, and the inner side of the long plate is provided with a spring, so that the electric energy meter body can be fixed in the groove provided on the inner side of the lower cover. Meanwhile, the middle of the long plate is provided in a wave shape, so that the electric energy meter body can be conveniently taken out;

[0015] 3. The lower cover of the quickly detachable electric energy meter proposed in the present invention is provided with a left cover and a right cover that open and close to both sides, which has good practicality. The opening and closing of the left cover and the right cover are controlled by the cooperation between the gears and the slide grooves. At the same time, the left cover, the right cover and the lower cover are connected together through the telescopic structure, which is more convenient for installation and disassembly, and the placement is convenient and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a side view of the left cover and the right cover of the present invention being half opened;

[0018] Figure 3 It is a side view of the left cover and the right cover of the present invention being fully opened;

[0019] Figure 4 It is a side view of the lower cover of the present invention;

[0020] Figure 5 It is a structural schematic diagram of the telescopic rod of the present invention;

[0021] Figure 6 The three-dimensional image of the left cover of the present invention

[0022] Figure 7 for Figure 6 A schematic diagram of the enlarged structure in the middle.

[0023] In the figure: the energy meter body 1, the base 2, the groove 21, the notch 22, the arc groove 23, the fixing frame 24, the gear 25, the left cover 3, the finger groove 31, the square groove 32, the limit groove 33, the slide groove 34, the placement groove 35, the block 36, the right cover 4, the groove 41, the circular groove 5, the spring 51, the long plate 52, the telescopic structure 6, the telescopic rod 61, the movable joint 62, the rotating shaft 63, the fixing column 64, the sleeve 611, the inner rod 612, the annular groove 613, the movable groove 614, the arc protrusion 615, and the notch 616. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figures 1 to 7 The present invention provides a technical solution: a quickly detachable electric energy meter, comprising an electric energy meter body 1, a lower cover 2, a left cover 3 and a right cover 4, a groove 21 is provided in the middle of the lower cover 2, four circular grooves 5 are provided at equal distances at the left and right ends of the inner side wall of the groove 21, a spring 51 is fixed in the circular groove 5, a long plate 52 is fixed at the other end of each spring 51, the spring 51 presses the long plate 52 against the two sides of the electric energy meter body 1 to fix the electric energy meter body 1, and the length of the long plate 52 is longer than the electric energy meter body 1, the middle of the long plate 52 is wavy, which is convenient for taking out the electric energy meter body 1 for maintenance, the outer end of the long plate 52 is inclined, which is convenient for placing the electric energy meter body 1, two fixing frames 24 are arranged at the upper and lower ends of the outer side of the groove 21, the fixing frame 24 is in an inverted L shape, the bearing on the fixing frame 24 is connected to the gear 25, the gear 25 protrudes outward, the outermost side of the lower cover 2 is provided with a notch 22, the notch 22 is in a circular shape, and the upper surface height of the notch 22 is lower than the upper surface height of the groove 21.

[0026] A plurality of arc grooves 23 are provided at equal distances on the left and right sides of the outer side of the groove 21, and a fixed column 64 is hinged in the arc groove 23. A telescopic structure 6 is fixed in the middle of the fixed column 64, so that the telescopic structure 6 can rotate with the fixed column 64 as the rotation axis. The telescopic structure 6 is composed of two telescopic rods 61 and an active joint 62. The telescopic rod 61 is composed of a sleeve 611 and an inner rod 612. An active groove 614 is provided at the upper end of the inner rod 612. An arc-shaped protrusion 615 is provided at the lower end of the rod body of the inner rod 612, so that the inner rod 612 can be conveniently clamped in the annular groove 613 and prevent the inner rod 612 from slipping off the sleeve 611. Two notches 616 are provided at the lower end of the inner rod 612. The inner rod 612 slides in the sleeve 611, and the sleeve 611 is sleeved on the outer side of the inner rod 612. Annular grooves 613 are opened at equal distances on the inner wall of the sleeve 611. A fixing column 64 is fixed to the lower end of the sleeve 611. The middle of the movable joint 62 is cylindrical, and the two ends of the movable joint 62 are semi-cylindrical. The width of the two ends of the movable joint 62 is consistent with the inner width of the movable groove 614. Both ends of the movable joint 62 are hinged to the upper end of the inner rod 612 through the rotating shaft 63. The length of the movable joint 62 is consistent with twice the outer diameter of the sleeve 611. The movable joint 62 is convenient for the two telescopic rods 61 to be folded, and at the same time, it is convenient for the two telescopic rods 61 to rotate with the rotating shaft 63 as the rotating axis.

[0027] The left telescopic structure 6 is hinged with the left cover 3, the width of the left cover 3 is half the width of the lower cover 2, a square groove 32 is provided on the inner side of the left cover 3, and a limiting groove 33 is provided on the outer end of the square groove 32. The depth of the limiting groove 33 is consistent with the depth of the notch 22, and the limiting groove 33 is aligned with the notch 22, so that it is convenient for the left cover 3 to align with the lower cover 2, and the inner side surface of the square groove 32 is flush with the inner side surface of the groove 21. The upper and lower surfaces of the inner side wall of the square groove 32 are provided with sliding grooves 34. The depth of 34 is consistent with the width of the protruding part of the gear 25, the upper end of the inner side wall of the slide groove 34 is serrated, the lower end of the inner side wall of the slide groove 34 is horizontal, the left end of the inner side wall of the slide groove 34 is arc-shaped, and the opening width of the right end of the slide groove 34 is consistent with the outer diameter of the gear 25. The slide groove 34 and the gear 25 are meshed and connected, which not only facilitates the movement of the left cover 3 on the lower cover 2, but also ensures that the inner ends of the left cover 3 and the lower cover 2 are in close contact. The left side of the inner side wall of the square groove 32 is equidistant A plurality of placement slots 35 are provided, and the number of the placement slots 35 is consistent with the number of the arc slots 23 on one side. The inner side ends of the placement slots 35 are arc-shaped, and the depth of the placement slots 35 is consistent with the length of the movable joint 62. The two ends of the fixing column 64 are fixed on the inner side of the opening at the lower end of the placement slot 35. The two telescopic rods 61 of the telescopic structure 6 can be placed in the placement slot 35 after being folded in parallel. Two clamping blocks 36 are provided on the right side end of the left cover 3, and an opening is provided in the middle of the clamping block 36, and the outer side of the clamping block 36 is a triangular protrusion. The right telescopic structure 6 is hinged with the right cover 4, and the inner side of the right cover 4 is consistent with the inner side structure of the left cover 3, and the inner side structures of the right cover 4 and the left cover 3 are symmetrically distributed. A finger groove 31 is provided in the middle of the junction of the left cover 3 and the right cover 4, and two clamping slots 41 are provided on the left side end of the right cover 4. The inner side width of the clamping slot 41 is greater than the opening width of the clamping slot 41. The clamping slot 41 and the clamping block 36 are clamped, which can ensure the safety of the electric energy meter body 1 when in use.

[0028] Working principle: In actual operation, circular grooves 5 are provided on both sides of the groove 2 opened on the lower cover 2, and a spring 51 is fixed in the circular groove 5. A long plate 52 is fixed on the outside of the spring 51. The electric energy meter body 1 is placed in the groove 21. The upper end of the long plate 52 is inclined to facilitate the placement of the electric energy meter body 1. At the same time, the long plate 52 is pressed against the two sides of the electric energy meter body 1 through the springs 51 arranged on both sides to prevent the electric energy meter body 1 from shaking and damaging the electric energy meter body 1. At the same time, the electric energy meter body 1 is fixed. The middle of the long plate 52 is wavy to facilitate the removal of the electric energy meter body 1 for maintenance. The inner bearings of the arc grooves 23 opened on the left and right sides of the groove 21 are connected to the fixed columns 64. A telescopic rod 61 is fixed in the middle of the fixed column 64, which is convenient for the telescopic rod 61 to be fixed with the fixed column 64. The rotating shaft rotates, and the telescopic rod 61 is composed of a sleeve 611 and an inner rod 612. The inner rod 612 is arranged in the sleeve 611. A plurality of annular grooves 613 are provided in the sleeve 611 to facilitate the fixing of the inner rod 612. A circle of arc-shaped protrusions 615 are provided at the lower end of the inner rod 612 to facilitate the inner rod 612 to be clamped in the annular groove 613 and prevent the inner rod 612 from slipping off the sleeve 611. At the same time, a notch 616 is provided at the lower end of the inner rod 612 to facilitate the sliding of the inner rod 612 in the sleeve 611. A movable groove 614 is provided in the middle of the other end of the inner rod 612. One end of the movable joint 62 is clamped in the movable groove 614 and is hinged through the rotating shaft 63 at the same time. The other end of the movable joint 62 is hinged to another telescopic rod 61 through the rotating shaft 63. The movable joint 62 is convenient for The two telescopic rods 61 are folded, and at the same time, the two telescopic rods 61 are convenient to rotate with the rotating shaft 63 as the rotating shaft. The two telescopic rods 61 and an active joint 62 form a telescopic structure 6. The left side of the lower cover 2 is hinged with the left cover 3 through the left telescopic structure 6, and the right side of the lower cover 2 is hinged with the right cover 4 through the right telescopic structure 6. The inner side structures of the left cover 3 and the right cover 4 are symmetrically distributed. A square groove 32 is provided on the inner side of the left cover 3, and a plurality of placement grooves 35 are provided on the left end of the inner side wall of the square groove 32. The fixed column 64 provided at the other end of the telescopic structure 6 is bearing-connected in the placement groove 35. After the two telescopic rods 61 of the telescopic structure 6 are folded in parallel, they can be placed in the placement groove 35. The upper and lower sides of the inner side wall of the square groove 32 are provided with sliding grooves 34. The sliding grooves 34 The gear 25 is meshed and connected with the gear 25 arranged on the outer side of the groove 21. The gear 25 rotates in the slide groove 34, thereby driving the left cover 3 to move left and right, which is convenient for the left cover 3 to move on the lower cover 2 and ensures that the inner side ends of the left cover 3 and the lower cover 2 are in close contact. The gear 25 is fixed to the outer side of the groove 21 by the fixing frame 24, so that the gear 25 can slide out from the opening of the outer side end of the slide groove 34. At the same time, the outermost side of the lower cover 2 is provided with a circle of notches 22, and the lower end of the square groove 32 is provided with a limiting groove 33. The limiting groove 33 and the notch 22 are aligned, so as to facilitate the left cover 3 to align with the lower cover 2 and the gear 25 to align with the opening of the slide groove 34. The right side end of the left cover 3 is provided with two blocks 36, and the left side end of the right cover 4 is provided with two slots 41. When the left cover 3 and the right cover 4 are combined,The card slot 41 is connected to the card block 36, which is convenient for fixing the left cover 3 and the right cover 4. The gear 25 is against the inner end of the slide slot 34, and the left cover 3 and the right cover 4 are fixed to the upper end of the lower cover 2, so that the electric energy meter body 1 is wrapped in the inner cavity, which can ensure the safety of the electric energy meter body 1 when in use. The telescopic structure 6 is folded, and the telescopic structure 6 is located in the placement slot 35, which will not affect the state of the electric energy meter body 1. When the electric energy meter body 1 needs to be repaired, the finger groove 31 set on the outer surface of the left cover 3 and the right cover 4 is pressed by hand to move the left cover 3 and the right cover 4 are pushed outward to facilitate the separation between the card slot 41 and the card block 36. If a full-scale inspection is required, continue to push it outward until the gear 25 slides out of the slide slot 34. The inner telescopic structure 6 is elongated. The telescopic structure 6 can be rotated and extended. It can be rotated outward until the outer side of the left cover 3 and the right cover 4 is flush with the lower surface of the lower cover 2. It can be disassembled according to needs, which improves the flexibility of the electric energy meter and facilitates the removal of the electric energy meter body 1. At the same time, the shell of the electric energy meter body 1 is an integrated structure, which is convenient for disassembly and installation.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-detachable electric energy meter, comprising an electric energy meter body (1), a lower cover (2), a left cover (3) and a right cover (4), characterized in that: A groove (21) is provided in the middle of the lower cover (2), and an electric energy meter body (1) is placed in the groove (21). A plurality of circular grooves (5) are provided at both left and right ends of the inner side wall of the groove (21), and a spring (51) is fixed in the circular groove (5). A long plate (52) is fixed to the other end of the spring (51) on each side. Two fixing frames (24) are provided on the upper and lower surfaces of the outer side of the groove (21), and a gear (25) is connected to the bearing on the fixing frame (24). A plurality of circular arc grooves (23) are provided on the left and right surfaces of the outer side of the groove (21) at equal distances, and a fixing column (64) is hinged in the circular arc groove (23). A telescopic structure (6) is fixed in the middle of the fixing column (64), and the telescopic structure (6) on the left side is hinged to the left side. A cover (3), a square groove (32) is provided on the inner side of the left cover (3), and a slide groove (34) is provided on the upper and lower surfaces of the inner wall of the square groove (32), and the slide groove (34) is meshed with a gear (25). A plurality of placement grooves (35) are provided on the left side of the inner wall of the square groove (32) at equal distances, and a fixing column (64) is hingedly connected to the inner side of the opening of the placement groove (35), and the other end of the left telescopic structure (6) is fixed in the middle of the fixing column (64), the right side end of the left cover (3) is provided with two clamping blocks (36), and the right telescopic structure (6) is hingedly connected to the right cover (4), a finger groove (31) is provided in the middle of the junction of the left cover (3) and the right cover (4), and the left side end of the right cover (4) is provided with two clamping grooves (41).

2. A quick-detachable electric energy meter according to claim 1, characterized in that: Four circular grooves (5) are equidistantly provided at the left and right ends of the inner side wall of the groove (21); the length of the long plate (52) is longer than the length of the electric energy meter body (1); the middle of the long plate (52) is wavy, and the outer end of the long plate (52) is inclined.

3. The quick-detachable electric energy meter according to claim 1, characterized in that: The width of the left cover (3) is half the width of the lower cover (2); the inner side of the right cover (4) has the same structure as the inner side of the left cover (3); the inner side structures of the right cover (4) and the left cover (3) are symmetrically distributed; an opening is provided in the middle of the card block (36); and the outer side of the card block (36) is in the form of a triangular protrusion; the inner side width of the card slot (41) is greater than the opening width of the card slot (41); the card slot (41) and the card block (36) are connected in a card slot; and the outermost of the lower cover (2) is A notch (22) is provided on the side, the notch (22) is in a circular shape, the upper surface height of the notch (22) is lower than the upper surface height of the groove (21), the inner side surface of the groove (21) is flush with the inner side surface of the square groove (32), and a limiting groove (33) is provided at the outer end of the square groove (32), the depth of the limiting groove (33) is consistent with the depth of the notch (22), and the width from the inner side wall to the outer side of the limiting groove (33) is consistent with the width of the notch (22).

4. The quick-detachable electric energy meter according to claim 1, characterized in that: The fixing frame (24) is in an inverted L-shape. The upper end bearing of the fixing frame (24) is connected to a gear (25). The gear (25) protrudes outward, and the width of the protruding portion of the gear (25) is consistent with the depth of the slide groove (34). The upper end of the inner side wall of the slide groove (34) is sawtooth-shaped, the lower end of the inner side wall of the slide groove (34) is horizontal, the left end of the inner side wall of the slide groove (34) is arc-shaped, and the opening width of the right end of the slide groove (34) is consistent with the outer diameter of the gear (25).

5. The quick-detachable electric energy meter according to claim 1, characterized in that: The telescopic structure (6) is composed of two telescopic rods (61) and a movable joint (62). The telescopic rod (61) is composed of a sleeve (611) and an inner rod (612). The upper end of the inner rod (612) is provided with a movable groove (614). The lower end of the rod body of the inner rod (612) is provided with an arc-shaped protrusion (615). The lower end of the inner rod (612) is provided with two notches (616). The outer side of the inner rod (612) is sleeved with a sleeve (611). The inner side wall of the sleeve (611) is provided with annular grooves (613) at equal distances. A fixed column (64) is fixed to the lower end of the sleeve (611). The two ends of the fixed column (64) are fixed to the inner side wall of the arc groove (23), and the two ends of another fixed column (64) are fixed to the inner side wall of the placement groove (35).

6. A quick-detachable electric energy meter according to claim 5, characterized in that: The middle of the movable joint (62) is cylindrical, and the two ends of the movable joint (62) are semi-cylindrical. The width of the two ends of the movable joint (62) is consistent with the inner width of the movable groove (614). The two ends of the movable joint (62) are hinged through the rotating shaft (63) and the upper end of the inner rod (612). The length of the movable joint (62) is consistent with twice the outer diameter of the sleeve (611).

7. The quick-detachable electric energy meter according to claim 6, characterized in that: A plurality of placement grooves (35) are provided at equal distances on the left end of the inner side wall of the square groove (32), the number of the placement grooves (35) being the same as the number of the arc grooves (23) on one side, the inner side ends of the placement grooves (35) being arc-shaped, and the depth of the placement grooves (35) being the same as the length of the movable joint (62).

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