Wiring auxiliary terminal for checking electric energy meter

Abstract

The utility model discloses a wiring auxiliary terminal for checking an electric energy meter, which comprises a first bottom shell, a second bottom shell, a third bottom shell and a fourth bottom shell, the left end of the first bottom shell is provided with a first mounting port, the right end of the first bottom shell is provided with a second mounting port, and the lower end of the first bottom shell is provided with a first conductive plate; the first fixing piece is arranged in the first mounting opening, the right end of the first fixing piece is hinged to the first bottom shell, and a first bolt is arranged at the left end of the first bottom shell; and the second fixing piece is arranged in the second mounting opening, the left end of the second fixing piece is hinged to the first bottom shell, and a second bolt is arranged at the right end of the first bottom shell. The wiring auxiliary terminal for checking the electric energy meter provided by the utility model is simple and reliable in structure, can ensure the firmness of wire contact connection, namely can ensure the safety of checking the electric energy meter, does not generate potential safety hazards such as electric spark phenomena, and is safer and more stable.

Description

Technical Field

[0001] The utility model belongs to the field of electric power equipment, and in particular relates to an auxiliary wiring terminal for calibrating an electric energy meter. Background Art

[0002] A kilowatt-hour meter (also known as an electric meter, heat meter, or kilowatt-hour meter) is an instrument used to measure electrical energy. After production, the meter's performance must be tested to determine its suitability for sale and use. To ensure the safety of meter calibration, an auxiliary terminal block is required to ensure reliable wire connections. Summary of the Invention

[0003] In order to solve the deficiencies in the prior art, the utility model provides an auxiliary terminal for wiring for calibrating an electric energy meter.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] An auxiliary terminal for connecting a power meter for calibration, comprising:

[0006] A first bottom shell, wherein a first mounting opening is provided at a left end of the first bottom shell, a second mounting opening is provided at a right end of the first bottom shell, a first conductive plate is provided at a lower end of the first bottom shell, two ends of the first conductive plate are respectively disposed at the first mounting opening and the second mounting opening, and a track groove is provided at a lower end of the first bottom shell;

[0007] a first fixing member, the first fixing member being disposed in the first mounting opening, the right end of the first fixing member being hinged to the first bottom shell, the first fixing member being matched with the left end of the first conductive plate, the left end of the first bottom shell being provided with a first bolt, the first bolt being matched with the first fixing member;

[0008] A second fixing member, the second fixing member is arranged in the second mounting port, the left end of the second fixing member is hinged to the first bottom shell, the second fixing member matches the right end of the first conductive plate, and a second bolt is provided at the right end of the first bottom shell, and the second bolt matches the second fixing member.

[0009] Furthermore, a first partition is provided in the middle of the first bottom shell, and the first mounting port and the second mounting port are divided by the first partition. A first pin is provided at the left end of the first partition, and a first pin hole is provided at the right end of the first fixing member, and the first pin corresponds to the first pin hole one by one. A second pin is provided on the right end of the first partition, and a second pin hole is provided at the left end of the second fixing member, and the second pin corresponds to the second pin hole one by one.

[0010] Furthermore, a first arc-shaped spring piece is provided at the lower end of the first fixing member, a second arc-shaped spring piece is provided at the lower end of the second fixing member, a first indentation is provided on the upper surface of the first conductive plate, the first indentation is serrated, and the first arc-shaped spring piece and the second arc-shaped spring piece both match the first indentation.

[0011] Furthermore, a first mounting groove is provided near the upper end of the first mounting port, a first spring is provided in the first mounting groove, and the first spring matches the first fixing piece; a second mounting groove is provided at the upper end of the second mounting port, a second spring is provided in the second mounting groove, and the second spring matches the second fixing piece.

[0012] Furthermore, a first threaded hole is provided at the left end of the first bottom shell, the first bolt matches the first threaded hole, and a first clearance opening is provided on the first fixing piece, and the first clearance opening matches the first bolt; a second threaded hole is provided at the right end of the first bottom shell, the second bolt matches the second threaded hole, and a second clearance opening is provided on the second fixing piece, and the second clearance opening matches the second bolt.

[0013] The utility model discloses an auxiliary terminal for wiring for electric energy meter calibration. Compared with the prior art, its beneficial effect lies in that its structure is simple and reliable, and it can ensure the firmness of the contact connection of the wire, that is, it can ensure the safety of electric energy meter calibration, will not produce safety hazards such as electric sparks, and is safer and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model.

[0015] Figure 2 It is a structural schematic diagram of the first bottom shell of the preferred embodiment provided by the present utility model.

[0016] Figure 3 It is a structural schematic diagram of the first fixing member of the preferred embodiment provided by the present utility model.

[0017] Figure 4 It is a structural schematic diagram of a cross-sectional view of a preferred embodiment provided by the present invention.

[0018] The figure marks include: 100, first bottom shell; 110, first mounting port; 111, first mounting groove; 112, first spring; 113, first bolt; 120, second mounting port; 121, second mounting groove; 122, second spring; 123, second bolt; 130, track groove; 140, first conductive plate; 141, first indentation; 150, first partition; 210, first fixing member; 211, first arc-shaped spring clip; 212, first clearance port; 213, first pin hole; 220, second fixing member; 221, second arc-shaped spring clip; 222, second clearance port. DETAILED DESCRIPTION

[0019] The utility model discloses an auxiliary terminal for wiring for calibrating an electric energy meter. The specific implementation of the utility model will be further described below in conjunction with a preferred embodiment.

[0020] See attached figure Figure 1-4 , Figure 1 yes Figure 1 This is a schematic structural diagram of a preferred embodiment provided by the present utility model. Figure 2 This is a structural diagram of the first bottom shell 100 of the preferred embodiment provided by the present invention. Figure 3 This is a schematic structural diagram of the first fixing member 210 of the preferred embodiment provided by the present invention. Figure 4 It is a structural schematic diagram of a cross-sectional view of a preferred embodiment provided by the present invention.

[0021] Preferred embodiment.

[0022] This embodiment provides an auxiliary terminal for connecting a power meter for calibration, including:

[0023] A first bottom shell 100 is provided with a first mounting opening 110 at the left end of the first bottom shell 100 and a second mounting opening 120 at the right end of the first bottom shell 100. A first conductive plate 140 is provided at the lower end of the first bottom shell 100, with two ends of the first conductive plate 140 respectively disposed at the first mounting opening 110 and the second mounting opening 120. A track groove 130 is provided at the lower end of the first bottom shell 100;

[0024] A first fixing member 210 is disposed in the first mounting opening 110 . The right end of the first fixing member 210 is hinged to the first bottom shell 100 . The first fixing member 210 matches the left end of the first conductive plate 140 . A first bolt 113 is provided at the left end of the first bottom shell 100 . The first bolt 113 matches the first fixing member 210 .

[0025] The second fixing member 220 is arranged in the second mounting port 120, the left end of the second fixing member 220 is hinged to the first bottom shell 100, the second fixing member 220 matches the right end of the first conductive plate 140, and the right end of the first bottom shell 100 is provided with a second bolt 123, and the second bolt 123 matches the second fixing member 220.

[0026] Furthermore, a first partition 150 is provided in the middle of the first bottom shell 100, and the first mounting port 110 and the second mounting port 120 are divided by the first partition 150. A first pin is provided at the left end of the first partition 150, and a first pin hole 213 is provided at the right end of the first fixing member 210, and the first pin corresponds to the first pin hole 213 one by one. A second pin is provided on the right end of the first partition 150, and a second pin hole is provided at the left end of the second fixing member 220, and the second pin corresponds to the second pin hole one by one.

[0027] Furthermore, a first arc-shaped spring piece 211 is provided at the lower end of the first fixing member 210, a second arc-shaped spring piece 221 is provided at the lower end of the second fixing member 220, and a first indentation 141 is provided on the upper surface of the first conductive plate 140. The first indentation 141 is serrated, and the first arc-shaped spring piece 211 and the second arc-shaped spring piece 221 both match the first indentation 141.

[0028] Furthermore, a first mounting groove 111 is provided near the upper end of the first mounting port 110, a first spring 112 is provided in the first mounting groove 111, and the first spring 112 matches the first fixing member 210, and a second mounting groove 121 is provided at the upper end of the second mounting port 120, a second spring 122 is provided in the second mounting groove 121, and the second spring 122 matches the second fixing member 220.

[0029] Furthermore, a first threaded hole is provided at the left end of the first bottom shell 100, and the first bolt 113 matches the first threaded hole; a first clearance opening 212 is provided on the first fixing member 210, and the first clearance opening 212 matches the first bolt 113; a second threaded hole is provided at the right end of the first bottom shell 100, and the second bolt 123 matches the second threaded hole; a second clearance opening 222 is provided on the second fixing member 220, and the second clearance opening 222 matches the second bolt 123.

[0030] Working principle: First, the track groove 130 can be used to clamp the first bottom shell 100 on the track, and one end of the wire can be inserted into the first mounting opening 110. The first spring 112 presses the first fixing member 210 to flip it downward. The first fixing member 210 cooperates with the first indentation 141 to first press the wire. The first indentation 141 ensures the friction between the wire and the first conductive plate 140. Then, the first bolt 113 is tightened and the first curved spring piece 211 is pressed through the first clearance opening 212. Then, the other end of the wire is inserted into the second mounting opening 120. The second spring 122 presses the second fixing member 220 to flip it downward. The second fixing member 220 cooperates with the first indentation 141 to first press the wire. Then, the second bolt 123 is tightened and the second curved spring piece 221 is pressed through the second clearance opening 222 to ensure the stability of the wire. Furthermore, after the wires at both ends are compressed by the first fixing member 210 and the second fixing member 220 , the wires at both ends can be connected through the first conductive plate 140 , thereby achieving the function of electrification.

[0031] It is worth mentioning that the technical features such as the track groove 130 involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional means in the field, and should not be regarded as the utility model point of this utility model patent. This utility model patent will not be further elaborated.

[0032] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. An auxiliary terminal for calibrating an electric energy meter, characterized in that: include: A first bottom shell (100), wherein a first mounting opening (110) is provided at the left end of the first bottom shell (100), a second mounting opening (120) is provided at the right end of the first bottom shell (100), a first conductive plate (140) is provided at the lower end of the first bottom shell (100), two ends of the first conductive plate (140) are respectively arranged at the first mounting opening (110) and the second mounting opening (120), and a track groove (130) is provided at the lower end of the first bottom shell (100); a first fixing member (210), the first fixing member (210) being disposed in the first installation opening (110), the right end of the first fixing member (210) being hinged to the first bottom shell (100), the first fixing member (210) being matched with the left end of the first conductive plate (140), the left end of the first bottom shell (100) being provided with a first bolt (113), the first bolt (113) being matched with the first fixing member (210); A second fixing member (220) is provided in the second mounting opening (120), the left end of the second fixing member (220) is hinged to the first bottom shell (100), the second fixing member (220) matches the right end of the first conductive plate (140), the right end of the first bottom shell (100) is provided with a second bolt (123), and the second bolt (123) matches the second fixing member (220).

2. The auxiliary terminal for electric energy meter calibration according to claim 1, characterized in that: A first partition (150) is provided in the middle of the first bottom shell (100), and the first installation port (110) and the second installation port (120) are divided by the first partition (150). A first pin is provided at the left end of the first partition (150), and a first pin hole (213) is provided at the right end of the first fixing member (210), and the first pin corresponds to the first pin hole (213) one-to-one. A second pin is provided on the left end of the first partition (150), and a second pin hole is provided at the left end of the second fixing member (220), and the second pin corresponds to the second pin hole one-to-one.

3. The auxiliary terminal for electric energy meter calibration according to claim 2, characterized in that: A first arc-shaped spring piece (211) is provided at the lower end of the first fixing member (210), a second arc-shaped spring piece (221) is provided at the lower end of the second fixing member (220), a first indentation (141) is provided on the upper surface of the first conductive plate (140), the first indentation (141) is sawtooth-shaped, and the first arc-shaped spring piece (211) and the second arc-shaped spring piece (221) both match the first indentation (141).

4. The auxiliary terminal for electric energy meter calibration according to claim 3, characterized in that: A first mounting groove (111) is provided near the upper end of the first mounting opening (110), a first spring (112) is provided in the first mounting groove (111), and the first spring (112) matches the first fixing member (210); a second mounting groove (121) is provided at the upper end of the second mounting opening (120), a second spring (122) is provided in the second mounting groove (121), and the second spring (122) matches the second fixing member (220).

5. The auxiliary terminal for electric energy meter calibration according to claim 4, characterized in that: A first threaded hole is provided at the left end of the first bottom shell (100), the first bolt (113) matches the first threaded hole, a first clearance opening (212) is provided on the first fixing member (210), and the first clearance opening (212) matches the first bolt (113); a second threaded hole is provided at the right end of the first bottom shell (100), the second bolt (123) matches the second threaded hole, a second clearance opening (222) is provided on the second fixing member (220), and the second clearance opening (222) matches the second bolt (123).

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