Wire end reinforcing structure of three-phase electric meter

Abstract

The utility model discloses a wire end reinforcing structure of a three-phase electric meter, which comprises a mounting body, a three-phase electric meter body is arranged on the surface of the mounting body, a display screen is arranged on the front surface of the three-phase electric meter body, a wire plugging hole is formed in the bottom surface of the three-phase electric meter body, and an external wire is arranged in the wire plugging hole. A supporting plate is arranged on the surface of the mounting body, a clamping groove is formed in the supporting plate, an external wire is connected with the wire insertion hole, the external wire is placed in the limiting groove, and the clamping block on the protection cover is inserted into the clamping groove, so that the protection cover is fixed, and the wiring position of the external wire and the three-phase electric meter body can be fixed through the clamping block. And a rotary knob is rotated to drive a threaded rod to rotate, so that a reinforcing plate moves downwards to clamp and limit the external wire on a limiting groove, thereby improving the stability of the circuit and avoiding the situation that the external wire is loosened after being pulled by an external force.

Description

Technical Field

[0001] The utility model relates to the technical field of three-phase electric meters, in particular to a line end reinforcement structure of a three-phase electric meter. Background Art

[0002] Three-phase electricity meter, a general term for electrical instruments, is an instrument used to measure electrical energy. It is also called watt-hour meter, fire meter, energy meter, kilowatt-hour meter. According to the nature of the measured electrical energy, three-phase electricity meter can be divided into active electricity meter and reactive electricity meter. Due to the different wiring forms of three-phase circuits, there are three-phase three-wire system and three-phase four-wire system.

[0003] When a three-phase meter is in use, the external wires connected to the meter are easily loosened from the locking screws when they are pulled by external force, which may cause poor contact and affect the normal measurement and operation of the device. In addition, the wiring parts of some three-phase meters are exposed to the outside world and are easily eroded by rain and dust, posing certain safety hazards. Therefore, a wire end reinforcement structure for a three-phase meter is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a line end reinforcement structure for a three-phase electric meter, which solves the problems in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A wire end reinforcement structure for a three-phase electricity meter comprises a mounting body, a three-phase electricity meter body is arranged on the surface of the mounting body, a display screen is arranged on the front of the three-phase electricity meter body, a wire insertion hole is provided on the bottom surface of the three-phase electricity meter body, an external wire is arranged inside the wire insertion hole, a support plate is provided on the surface of the mounting body, a clamping groove is provided inside the support plate, a protective cover is provided on the top surface of the support plate, a clamping block is fixedly installed on the bottom surface of the protective cover, and a reinforcement component is arranged inside the protective cover.

[0007] Preferably, a first mounting block is fixedly mounted on the surface of the three-phase electricity meter body, and a first fixing bolt is mounted on the internal thread of the first mounting block.

[0008] Preferably, a second mounting block is fixedly mounted on the surface of the support plate, and a second fixing bolt is mounted on the internal thread of the second mounting block.

[0009] Preferably, a limiting groove is provided on the top surface of the support plate, and the clamping groove and the clamping block are arranged correspondingly.

[0010] Preferably, the reinforcement assembly comprises a threaded rod threadably mounted inside the protective cover, a knob is fixedly mounted on the top end of the threaded rod, and a reinforcement plate is rotatably mounted on the bottom end of the threaded rod.

[0011] Preferably, a sliding block is fixedly mounted on the surface of the reinforcing plate, a sliding groove is provided inside the protective cover, and the sliding block is slidably connected to the sliding groove, and a rubber pad is fixedly mounted on the bottom surface of the reinforcing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the line end reinforcement structure of the three-phase electric meter connects the external electric wire to the wire plug hole, places the external electric wire in the limiting groove, inserts the clamping block on the protective cover into the clamping groove, completes the fixing of the protective cover, and can protect the connection point between the external electric wire and the three-phase electric meter body to prevent rain and dust from entering. By turning the knob, the threaded rod is driven to rotate, so that the reinforcement plate moves downward, and the external electric wire on the limiting groove is clamped and limited, thereby improving the stability of the line and preventing the external electric wire from loosening after being pulled by external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the positive measurement of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the first sectional view of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the second sectional view of the utility model.

[0016] In the figure: 1. mounting body; 2. three-phase meter body; 3. first mounting block; 4. first fixing bolt; 5. display screen; 6. wire plug hole; 7. external wire; 8. support plate; 9. second mounting block; 10. second fixing bolt; 11. limit groove; 12. snap-in groove; 13. protective cover; 14. snap-in block; 15. threaded rod; 16. knob; 17. reinforcement plate; 18. slider; 19. slide groove; 20. rubber pad. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] Example: Refer to Figure 1-3The utility model provides a technical solution, a wire end reinforcement structure of a three-phase electric meter, including a mounting body 1, a three-phase electric meter body 2 is arranged on the surface of the mounting body 1, a first mounting block 3 is fixedly installed on the surface of the three-phase electric meter body 2, a first fixing bolt 4 is installed on the internal thread of the first mounting block 3, through the arrangement of the first mounting block 3 and the first fixing bolt 4, the first fixing bolt 4 is rotated to fix the first mounting block 3, thereby completing the fixed installation of the three-phase electric meter body 2, a display screen 5 is arranged on the front of the three-phase electric meter body 2, a wire insertion hole 6 is opened on the bottom surface of the three-phase electric meter body 2, an external wire 7 is arranged inside the wire insertion hole 6, a support plate 8 is arranged on the surface of the mounting body 1, and a surface of the support plate 8 is fixedly installed There is a second mounting block 9, and the internal thread of the second mounting block 9 is installed with a second fixing bolt 10. Through the arrangement of the second mounting block 9 and the second fixing bolt 10, the second mounting block 9 is fixed by rotating the second fixing bolt 10, thereby completing the fixation of the support plate 8. A clamping groove 12 is provided inside the support plate 8, and a protective cover 13 is provided on the top surface of the support plate 8. A clamping block 14 is fixedly installed on the bottom surface of the protective cover 13. A limiting groove 11 is provided on the top surface of the support plate 8, and the clamping groove 12 and the clamping block 14 are correspondingly arranged. Through the arrangement of the limiting groove 11, the external wire 7 can be limited to avoid disordered crossing. Through the arrangement of the clamping groove 12 and the clamping block 14, it is convenient to install the protective cover 13.

[0019] Specifically, the reinforcement component includes a threaded rod 15 threadedly installed inside the protective cover 13, a knob 16 is fixedly installed on the top end of the threaded rod 15, and a reinforcement plate 17 is rotatably installed on the bottom end of the threaded rod 15. Through the setting of the reinforcement component, the knob 16 is rotated to drive the threaded rod 15 to rotate, so that the reinforcement plate 17 moves downward, clamping and limiting the external wire 7 on the limit groove 11, thereby improving the stability of the line and preventing the external wire 7 from loosening after being pulled by external force.

[0020] Specifically, a slider 18 is fixedly installed on the surface of the reinforcement plate 17, a slide groove 19 is opened inside the protective cover 13, and the slider 18 is slidably connected to the slide groove 19, and a rubber pad 20 is fixedly installed on the bottom surface of the reinforcement plate 17. Through the setting of the slider 18 and the slide groove 19, the reinforcement plate 17 can be limited, so that the reinforcement plate 17 is more stable when moving up and down. Through the setting of the rubber pad 20, the external wire 7 can be protected to avoid the loss of the external wire 7 during reinforcement.

[0021] During use: rotate the first fixing bolt 4 to fix the first mounting block 3, thereby completing the fixed installation of the three-phase meter body 2, and fix the second mounting block 9 by rotating the second fixing bolt 10, thereby completing the fixation of the support plate 8, connect the external wire 7 to the wire plug hole 6, and place the external wire 7 in the limiting groove 11, insert the clamping block 14 on the protective cover 13 into the clamping groove 12, and complete the fixation of the protective cover 13, which can protect the connection point between the external wire 7 and the three-phase meter body 2 to prevent rain and dust from entering, turn the knob 16 to drive the threaded rod 15 to rotate, so that the reinforcement plate 17 moves downward, and clamps and limits the external wire 7 on the limiting groove 11, thereby improving the stability of the line and preventing the external wire 7 from loosening after being pulled by external force.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Although the 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 line end reinforcement structure for a three-phase electric meter, comprising a mounting body (1), characterized in that: A three-phase meter body (2) is arranged on the surface of the installation body (1), a display screen (5) is arranged on the front of the three-phase meter body (2), a wire insertion hole (6) is arranged on the bottom of the three-phase meter body (2), an external wire (7) is arranged inside the wire insertion hole (6), a support plate (8) is arranged on the surface of the installation body (1), a clamping groove (12) is arranged inside the support plate (8), a protective cover (13) is arranged on the top surface of the support plate (8), a clamping block (14) is fixedly installed on the bottom surface of the protective cover (13), and a reinforcing component is arranged inside the protective cover (13).

2. A line end reinforcement structure for a three-phase electric meter according to claim 1, characterized in that: A first mounting block (3) is fixedly mounted on the surface of the three-phase electric meter body (2), and a first fixing bolt (4) is installed on the internal thread of the first mounting block (3).

3. The line end reinforcement structure of a three-phase electric meter according to claim 1, characterized in that: A second mounting block (9) is fixedly mounted on the surface of the support plate (8), and a second fixing bolt (10) is installed on the internal thread of the second mounting block (9).

4. The line end reinforcement structure of a three-phase electric meter according to claim 1, characterized in that: The top surface of the support plate (8) is provided with a limiting groove (11), and the clamping groove (12) and the clamping block (14) are arranged correspondingly.

5. The line end reinforcement structure of a three-phase electric meter according to claim 1, characterized in that: The reinforcement assembly comprises a threaded rod (15) threadedly mounted inside the protective cover (13), a knob (16) being fixedly mounted on the top end of the threaded rod (15), and a reinforcement plate (17) being rotatably mounted on the bottom end of the threaded rod (15).

6. A line end reinforcement structure for a three-phase electric meter according to claim 5, characterized in that: A sliding block (18) is fixedly mounted on the surface of the reinforcing plate (17), a sliding groove (19) is provided inside the protective cover (13), and the sliding block (18) is slidably connected to the sliding groove (19), and a rubber pad (20) is fixedly mounted on the bottom surface of the reinforcing plate (17).

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