CN215641444U

CN215641444U - Binding post for electric energy meter binding post

Info

Publication number: CN215641444U
Application number: CN202121463324.0U
Authority: CN
Inventors: 龙代文; 王万年; 张伟
Original assignee: Shenzhen Dongsheng Technology Co ltd
Current assignee: Shenzhen Dongsheng Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-25
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a binding post for a binding post of an electric energy meter, which comprises a body, wherein the body consists of a threaded part, a main body part and a terminal connecting part which are sequentially connected, the terminal connecting part is in a round table shape and is used for being clamped in a round hole of the binding post of the electric energy meter, and the terminal connecting part is axially provided with a cut-out section which is used for being connected with a cage type binding post; the binding post is designed aiming at two electric meter binding posts, the terminal connecting part is designed into a round table shape, the front end of the terminal connecting part is provided with a round chamfer, the round chamfer and the round table shape can be abutted against the edge of a round hole of the round hole binding post of an electric energy meter, the round chamfer and the round table shape are in tight contact with each other through pressure to realize reliable connection, when aiming at a lifting cage type binding post, a lifting cage is lifted up by screwing a lifting cage screw, a notch cross section corresponding to the size of the end face of the lifting type binding post is cut in the axial direction of the terminal connecting part, the notch cross section is in compression joint with the end face of the lifting type binding post, and two contact faces are fixed through pressure.

Description

Binding post for electric energy meter binding post

Technical Field

The embodiment of the utility model relates to the field of calibration and verification of electric energy meters, in particular to a binding post for a binding post of an electric energy meter.

Background

The wiring terminals of the electric energy meter are divided into two types, one type is a solid copper material with one end drilled and two screws arranged on the upper part, and after an electric wire required to be connected with the electric energy meter is inserted into the hole, the screws on the upper part are screwed down, so that the connecting wire is not pressed tightly and is reliably connected. The second is the binding post of carrying cage, also extensively uses on products such as circuit breaker, air switch, and it packs into connecting wire be the quad slit, after the stranded wire stretched into the square hole, screws up through the screw on the carrying cage, makes the carrying cage upwards shrink and compress tightly downthehole wire. When an electric energy meter manufacturer produces two types of meters, due to the fact that the shapes of wiring holes are different greatly, the used wiring terminals need to be replaced frequently, or an auxiliary conversion device needs to be added for calibration and verification.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide a terminal for a terminal of an electric energy meter, which solves the problem in the prior art that the shapes of the wiring holes of two electric energy meters are different, and the terminal needs to be frequently replaced.

The utility model provides a terminal for electric energy meter binding post, includes the body, the body comprises screw thread portion, main part and the terminal connecting portion that connect gradually, terminal connecting portion are round platform shape and are used for the joint to be in electric energy meter binding post's the round hole, a incision cross-section has been seted up to terminal connecting portion axial, the incision cross-section is used for being connected with cage formula binding post.

Optionally, one end of the terminal connecting portion, which is away from the main body portion, is provided with a round chamfer.

Optionally, the main body portion further has a wrench notch along one side of the threaded portion.

The binding post is designed aiming at two electric meter binding posts, the terminal connecting part is designed into a round table shape, the front end of the terminal connecting part is provided with a round chamfer, the round chamfer and the round table shape can be abutted against the edge of a round hole of the round hole binding post of an electric energy meter, the round chamfer and the round table shape are in tight contact with each other through pressure to realize reliable connection, when aiming at a lifting cage type binding post, a lifting cage is lifted up by screwing a lifting cage screw, a notch cross section corresponding to the size of the end face of the lifting type binding post is cut in the axial direction of the terminal connecting part, the notch cross section is in compression joint with the end face of the lifting type binding post, and two contact faces are fixed through pressure.

Drawings

FIG. 1 is a schematic structural diagram of a binding post for a binding post of an electric energy meter according to the present invention;

FIG. 2 is a schematic diagram of the connection of a binding post for a binding post of an electric energy meter and a cage type binding post according to the present invention;

fig. 3 is a schematic diagram of the connection between the binding post of the electric energy meter binding post and the round hole terminal.

Shown in the figure:

1. a body; 2. a binding post; 3. a cage lifting terminal; 4. fixing screws; 5. the electric energy meter is connected with the copper bar; 6. a current line screw; 7. a wire pressing screw; 8. the electric energy meter terminal; 11. a threaded portion; 12. a main body portion; 13. a terminal connecting portion; 81. a circular hole; 131. a cut cross section; 132. rounding and chamfering; 121. and a notch of the wrench.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The binding post for the electric energy meter binding post as shown in fig. 1 comprises a body 1, wherein the body 1 consists of a threaded part 11, a main body part 12 and a terminal connecting part 13 which are connected in sequence.

Preferably, the body 1 is made of brass.

Preferably, the threaded portion 11 is used for being in threaded connection with a terminal of a terminal tailstock for verifying the electric energy meter.

As preferred scheme, terminal connecting portion 13 is the round platform shape, when being connected with the electric energy meter binding post that has the round hole, stretches into the round hole and block at the round hole border through terminal connecting portion 13, makes the terminal incompletely get into the purpose that reaches reliable connection in the terminal, and terminal connecting portion 13 is fixed through the mode of joint with the electric energy meter that has the round hole, makes the terminal can adapt to the electric energy meter round hole binding post in multiple aperture.

Preferably, the terminal connecting portion 13 is axially provided with a cut-out section 131 adapted to the size of the cage terminal, and the cut-out section 131 is used for connecting with the cage terminal, so that current can pass through the terminal.

Optionally, a round chamfer 132 is formed at one end, far away from the main body 12, of the terminal connecting portion 13, and the round chamfer 132 has a guiding function when being clamped with a wiring terminal of an electric energy meter, so that a wiring terminal can be accurately and quickly aligned with a wiring terminal hole and inserted.

Optionally, the main body 12 further has a wrench notch 121 along one side of the threaded portion 11, and the wrench notch 121 is used for clamping the terminal to the tailstock terminal by a wrench when the terminal is connected to the terminal tailstock of the electric energy meter calibration apparatus.

Example two:

fig. 2 is a schematic diagram of connection between a binding post of an electric energy meter and a cage type binding post, and the schematic diagram comprises the binding post 2, a cage terminal 3, a fixing screw 4 and an electric energy meter connecting copper bar 5;

preferably, the terminal 2 is contacted with the cage terminal 3 after passing through the cage terminal, the terminal 2 is mounted on a terminal tail seat (not shown), the terminal 2 is pressed against the bottom end surface of the cage terminal 3 by an elastic force generated from a spring of the terminal tail seat from bottom to top, so that the bottom end surface of the cage terminal is pressed on a cut section of the terminal connecting portion, and the terminal 2 is mounted on the terminal tail seat of the verification device through a thread portion.

Specifically, the cage terminal 3 is a fixed terminal of an input/output line of the electric energy meter, and is introduced into the cage terminal 3 by a joint of an electric wire, and the electric wire is connected with a wiring terminal of the electric energy meter after a screw is tightened.

Preferably, the electric energy meter is connected with the copper bar 5 and is connected with the relay of the electric energy meter through an electric wire; the wire is used for transmission of electric current.

Preferably, the fixing screw is installed on the cage terminal 3, and the fixing screw 4 is tightened to lift the cage terminal 3, so that the space between the electric energy meter connecting copper bar 5 and the bottom of the cage terminal 3 is contracted to compress the electric wire.

Example three:

fig. 3 is a schematic diagram of connection between a binding post of an electric energy meter and a round hole terminal, and the schematic diagram includes an electric current wire screw 6, a line pressing screw 7, a round hole binding post 8 of an electric energy meter, and the binding post 2.

As preferred scheme, the terminal connecting portion of terminal 2 stretches into in electric energy meter round hole binding post 8's the round hole 81 to the card is in round hole 81 border department, thereby makes terminal 2 and electric energy meter round hole binding post 8 fixed connection, so that electric current passes through terminal 2.

Preferably, the current line screw 6 is used for fixing a current line.

Preferably, the wire pressing screw 7 is used for pressing a wire in a round hole wiring terminal 8 of the electric energy meter.

Preferably, the electric energy meter round hole wiring terminal 8 is a fixed terminal connected with an input line and an output line of the electric energy meter. After the connector of the electric wire is led into the round hole 81 of the round hole wiring terminal 8 of the electric energy meter, the wire pressing screw 7 is screwed, and then the electric wire is connected with the internal circuit of the electric energy meter.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a terminal for electric energy meter binding post, a serial communication port, which comprises a body, the body comprises screw thread portion, main part and the terminal connecting portion that connect gradually, terminal connecting portion are round platform shape and are used for the joint to be in electric energy meter binding post's the round hole, a incision cross-section has been seted up to terminal connecting portion axial, the incision cross-section is used for being connected with cage formula binding post.

2. The lug pole for the junction terminal of the electric energy meter according to claim 1, wherein one end of the terminal connecting part away from the main body part is chamfered.

3. The lug for a junction terminal of an electric energy meter according to claim 1, wherein the body portion is further provided with a wrench notch along one side of the threaded portion.