Wiring terminal of electric energy meter and electric energy meter

Abstract

The utility model relates to an electric energy meter wiring terminal and an electric energy meter. The technical problem to be solved by the utility model is to provide an electric energy meter wiring terminal and an electric energy meter. According to the technical scheme, the wiring terminal comprises a terminal seat, a contact plate, a wiring terminal assembly and a contact plate clamping plate, the contact plate comprises a first contact part, a second contact part and a contact plate connecting part, and the end part of the contact plate connecting part is provided with a contact plate butt joint pin. The lower surface of the first contact part and the lower surface of the second contact part are each of an arc structure, wire clamping upper teeth are arranged on the first contact part and the second contact part at intervals, the wiring terminal assembly comprises a wiring frame, a screw and a wire clamping lower plate, and a wiring through opening is formed in the wiring frame. The advantages of the utility model are that the contact plate further strengthens the connection tightness of the terminal seat through the contact plate clamping plate, thereby effectively preventing shaking; the structure of the contact plate and the wiring terminal assembly can enhance the clamping force on the wire, the contact is stable, and the wire is effectively prevented from falling off.

Description

Technical Field

[0001] The utility model relates to a wiring terminal of an electric energy meter and an electric energy meter. Background Art

[0002] The wiring terminal of the electric energy meter is installed at the tail of the wiring terminal and the electric energy meter of the electric energy meter for wiring. The wiring terminal includes an insulating terminal seat, a contact plate installed in the insulating terminal seat, and a wiring terminal assembly. In the actual use process of the existing wiring terminal of the electric energy meter, it is found that after the wire is butted with the contact plate through the wiring terminal assembly, due to the insecure installation of the contact plate and the wiring terminal assembly, the insecure contact of the wire during contact, and even the factor of external force vibration, it is easy to cause the wire to fall off and the circuit to have poor contact. The stability of the terminal after installation is poor. Therefore, the existing wiring terminal of the electric energy meter is improved and optimized. Summary of the Utility Model

[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a wiring terminal of an electric energy meter and an electric energy meter.

[0004] The technical solution adopted by the wiring terminal of the electric energy meter of the utility model: It is characterized by including a terminal seat, a contact plate, a wiring terminal assembly, and a contact plate clamping plate. The contact plate includes a first contact part, a second contact part, and a contact plate connecting part connecting the end of the first contact part and the end of the second contact part. A contact plate docking foot is provided at the end of the contact plate connecting part. The lower surfaces of the first contact part and the second contact part are both arc structures and are both provided with wire clamping upper teeth arranged at intervals. The wiring terminal assembly includes a wiring frame, a screw, and a wire clamping lower plate. A wiring through hole is provided in the wiring frame. The wire clamping lower plate is placed in the wiring through hole. The wire clamping lower plate is provided with wire clamping lower plate arc grooves corresponding to the lower surfaces of the first contact part and the second contact part. Wire clamping lower teeth corresponding to the wire clamping upper teeth are arranged at intervals in the wire clamping lower plate arc grooves. The wire clamping upper teeth and the wire clamping lower teeth are arranged staggeredly. Card plate clamping blocks are arranged at intervals on the contact plate clamping plate. A contact plate socket corresponding to the card plate clamping blocks is provided inside the contact plate connecting part.

[0005] A wiring frame threaded hole for docking with the screw is provided at the top of the wiring frame. A wiring frame lower through hole is provided at the bottom of the wiring frame. The front and rear ends of the bottom of the wiring frame are vertically bent downward to form a wiring frame first support foot and a wiring frame second support foot. A lower plate riveting post corresponding to the wiring frame lower through hole is provided at the bottom of the wire clamping lower plate.

[0006] The tooth height ranges of both the wire clamping upper teeth and the wire clamping lower teeth are 0.3 mm to 1 mm.

[0007] A card block inclined guide part for facilitating the docking of the contact plate clamping plate is provided on the card plate clamping block.

[0008] The terminal block is provided with a terminal block mounting portion. An insulating frame mounting cavity for placing the insulating frame is provided at intervals inside the terminal block mounting portion. Contact plate second sockets for inserting the first contact portion and the second contact portion are provided at the front and rear ends of the insulating frame mounting cavity. A terminal block clamping block is provided at the front end of the terminal block mounting portion, and a terminal block bayonet corresponding to the clamping plate block is provided on the terminal block clamping block.

[0009] The technical solution adopted by the electric energy meter of the present utility model is characterized in that it includes an electric energy meter base and any one of the above-mentioned electric energy meter terminal blocks, and a base boss for limiting the front end of the contact plate clamping plate is provided on the electric energy meter base.

[0010] The advantages of the electric energy meter terminal block and the electric energy meter of the present utility model are as follows: the contact plate further strengthens the tightness of the connection of the terminal block through the contact plate clamping plate, effectively preventing shaking; the structure of the contact plate and the terminal block assembly can strengthen the clamping force on the wire, with stable contact and effectively preventing it from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0012] Figure 1 is an exploded view of the electric energy meter terminal block of the present utility model;

[0013] Figure 2 is a schematic structural view of the back of the contact plate of the present utility model;

[0014] Figure 3 is a schematic structural view of the terminal block assembly of the present utility model;

[0015] Figure 4 is a schematic structural view of the insulating frame of the present utility model;

[0016] Figure 5 is a schematic structural view of the lower wire clamping plate of the present utility model;

[0017] Figure 6 is a schematic structural view of the contact plate clamping plate of the present utility model;

[0018] Figure 7 is a schematic structural view of the terminal block of the present utility model;

[0019] Figure 8 is Figure 7 an enlarged view of;

[0020] Figure 9 is a schematic structural view of the electric energy meter of the present utility model;

[0021] Figure 10It is a schematic structural diagram of the base of the electric energy meter of the present utility model. Specific embodiments

[0022] As Figures 1-8 shown, the electric energy meter terminal involved in the present utility model includes a terminal base 1, a contact plate 2, a terminal assembly 3 and a contact plate clamping plate 4. The contact plate 2 includes a first contact portion 6, a second contact portion 7, and a contact plate connecting portion 8 that connects the end of the first contact portion 6 and the end of the second contact portion 7. A contact plate docking pin 9 is provided at the end of the contact plate connecting portion 8. The lower surfaces of both the first contact portion 6 and the second contact portion 7 are arc structures, and both are provided with wire clamping upper teeth 10 arranged at intervals. The terminal assembly 3 includes a wiring frame 12, a screw 13 and a wire clamping lower plate 14. A wiring through hole 16 is provided in the wiring frame 12. The wire clamping lower plate 14 is placed in the wiring through hole 16. The wire clamping lower plate 14 is provided with wire clamping lower plate arc grooves 17 corresponding to the lower surfaces of the first contact portion 6 and the second contact portion 7. Wire clamping lower teeth 18 corresponding to the wire clamping upper teeth 10 are arranged at intervals in the wire clamping lower plate arc grooves 17. The wire clamping upper teeth 10 and the wire clamping lower teeth 18 are arranged in a staggered manner. The contact plate clamping plate 4 is provided with clamping plate clamping blocks 19 at intervals. A contact plate socket 11 corresponding to the clamping plate clamping blocks 19 is provided inside the contact plate connecting portion 8. The contact plate 2 is integrally stamped, with higher linkage, firm structure, and the contact plate 2 further strengthens the tightness of the connection with the terminal base 1 through the contact plate clamping plate 4, effectively preventing shaking; the wire clamping upper teeth 10 and wire clamping lower teeth 18 of the contact plate 2 and the wire clamping lower teeth 18 structure of the terminal assembly 3 can strengthen the clamping force on the wire, with stable contact and effectively preventing it from falling off.

[0023] A wiring frame threaded hole 21 for docking with the screw 13 is provided at the top of the wiring frame 12. A wiring frame lower through hole 22 is provided at the bottom of the wiring frame 12. The front and rear ends of the bottom of the wiring frame 12 are vertically bent downward to form a wiring frame first support foot 23 and a wiring frame second support foot 24, making the docking more stable. A lower plate riveting post 25 corresponding to the wiring frame lower through hole 22 is provided at the bottom of the wire clamping lower plate 14, which is convenient for processing and has a firm connection.

[0024] The tooth height ranges of both the wire clamping upper teeth 10 and the wire clamping lower teeth 18 are 0.3 mm to 1 mm, which can effectively strengthen the gripping force and will not damage the wire, and this value has the best use effect.

[0025] The clamping plate clamping blocks 19 are provided with block inclined guide portions 20 for facilitating the docking of the contact plate clamping plate 4, which is convenient for introduction.

[0026] The terminal block 1 is provided with a terminal block mounting portion 27. Inside the terminal block mounting portion 27, there are spaced apart wire frame mounting cavities 28 for inserting the wire frame 12. At the front and rear ends of the wire frame mounting cavity 28, there are contact plate second sockets 29 for inserting the first contact portion 6 and the second contact portion 7. At the front end of the terminal block mounting portion 27, there is a terminal block clamping block 30. On the terminal block clamping block 30, there is a terminal block clamping opening 31 corresponding to the clamping plate block 19, further strengthening the connection tightness and linkage between the contact plate clamping plate 4 and the terminal block 1.

[0027] As Figure 9 and 10 shown, the electric energy meter of the present invention includes an electric energy meter base 35 and any one of the above-mentioned electric energy meter wiring terminals. On the electric energy meter base 35, there is a base boss 36 for front-end limiting of the contact plate clamping plate 4, with accurate positioning.

[0028] On the electric energy meter base 35, there are also a base first positioning groove 37 corresponding to the first support leg 23 of the wire frame and a base second positioning groove 38 corresponding to the second support leg 24 of the wire frame, so that the wire frame is stably received during installation and wiring, and the wiring is more reliable.

[0029] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims

1. An electric energy meter terminal, characterized in that: The invention comprises a terminal block (1), a contact plate (2), a terminal block assembly (3) and a contact plate clamp (4); the contact plate (2) comprises a first contact portion (6), a second contact portion (7), and a contact plate connecting portion (8) for connecting the end of the first contact portion (6) and the end of the second contact portion (7); the end of the contact plate connecting portion (8) is provided with a contact plate docking foot (9); the lower surface of the first contact portion (6) and the lower surface of the second contact portion (7) are both arc structures and are provided with spaced-apart clamping teeth (10); the terminal block assembly (3) comprises a wiring frame (12), a screw (13) and a clamping lower plate (14); the wiring frame (12 ) is provided with a wiring opening (16), the line clamp lower plate (14) is placed in the wiring opening (16), the line clamp lower plate (14) is provided with a line clamp upper plate arc groove (17) corresponding to the lower surface of the first contact portion (6) and the lower surface of the second contact portion (7), line clamp teeth (18) corresponding to the line clamp upper teeth (10) are arranged in intervals in the line clamp upper plate arc groove (17), the line clamp teeth (10) and the line clamp lower teeth (18) are arranged in an alternating manner, the contact plate clamp plate (4) is provided with a card block (19) at intervals, and the inner side of the contact plate connecting portion (8) is provided with a contact plate socket (11) corresponding to the card block (19).

2. The electric energy meter terminal according to claim 1, characterized in that: The top of the wiring frame (12) is provided with a wiring frame threaded hole (21) that is connected to the screw (13), the bottom of the wiring frame (12) is provided with a wiring frame lower through hole (22), the front and rear ends of the bottom of the wiring frame (12) are vertically bent downward to form a wiring frame first supporting foot (23) and a wiring frame second supporting foot (24), and the bottom of the clamp line lower plate (14) is provided with a lower plate riveting column (25) corresponding to the wiring frame lower through hole (22).

3. The electric energy meter terminal according to claim 1, characterized in that: The tooth height of the clamp line lower teeth (10) and the tooth height of the clamp line lower teeth (18) are both in the range of 0.3 mm to 1 mm.

4. The electric energy meter terminal according to claim 1, characterized in that: The card plate card block (19) is provided with a card block inclined guide portion (20) for facilitating the docking of the contact plate card block (4).

5. The electric energy meter terminal according to claim 1, characterized in that: The terminal seat (1) is provided with a terminal seat mounting portion (27), a wiring frame mounting cavity (28) for inserting the wiring frame (12) is provided inside the terminal seat mounting portion (27), a contact plate second socket (29) for inserting the first contact portion (6) and the second contact portion (7) is provided at the front and rear ends of the wiring frame mounting cavity (28), a terminal seat clamping block (30) is provided at the front end of the terminal seat mounting portion (27), and a terminal seat clamping port (31) corresponding to the clamping plate clamping block (19) is provided on the terminal seat clamping block (30).

6. An electric energy meter, characterized in that: It comprises an electric energy meter base (35) and any one of the electric energy meter connection terminals according to claims 1 to 5, wherein the electric energy meter base (35) is provided with a base boss (36) for limiting the front end of the contact plate clamping plate (4).

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