A wiring structure of an electric energy meter

Abstract

The utility model belongs to the electric energy meter technical field especially relates to a wiring structure of electric energy meter, including base and upper cover, the base includes the article chamber and wiring chamber, still includes wiring assembly, wiring assembly includes: wiring frame is arranged in wiring chamber, and is provided with two extruded blocks on the wiring frame, wiring board includes installation part and wiring part, clamping piece includes fixed plate, connecting rod and clamping jaw, fixed plate sets up on the wiring board, connecting rod is connected on the fixed plate, and clamping jaw sets up on the connecting rod, wiring screw is set up on one end of wiring frame along Z direction and passes through fixed plate and is connected in screw thread, when wiring frame removes along Z direction, two extruded blocks push clamping jaw and move along X direction and contract and clamp the wire tightly, the utility model has the beneficial effects that the metal part of wire is clamped along Z direction by wiring frame and wiring board, the insulating part of wire is clamped along X direction by two clamping petals, realize the stable connection to wire, improve wiring firmness.

Description

Technical Field

[0001] This utility model belongs to the field of electricity meter technology, and in particular relates to a wiring structure for an electricity meter. Background Technology

[0002] Electricity meters are basic metering devices used to count users' electricity consumption in power metering scenarios. They are widely used in various electricity-consuming places such as residential buildings and industrial and commercial power distribution. Each electricity meter is equipped with a wiring structure at the tail. The external power supply wire is connected to the metering element inside the meter through the wiring structure, thereby realizing the collection and measurement of electricity. The clamping stability of the wiring structure directly determines the long-term operational safety and metering accuracy of the electricity meter.

[0003] In existing technologies, most electricity meters use a wiring structure consisting of screws, a terminal block, and a wiring frame. By rotating the screws, the terminal block and wiring frame are brought closer together, and the wires are clamped together to complete the wiring of the electricity meter. However, this wiring structure only clamps the exposed metal parts of the wires through the terminal block and wiring frame, which poses a risk of insecure connection. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned technical problems by providing a wiring structure for an electricity meter, thereby solving these problems.

[0005] In view of this, the present invention provides a wiring structure for an electricity meter, including a base and a top cover. The base includes a storage chamber and a wiring chamber. The top cover is mounted on the base to seal the base. The invention also includes a wiring assembly, which includes: A wiring frame is disposed in a wiring chamber, and two pressing blocks are provided on one end of the wiring frame along the Y direction; A junction box, comprising an integral mounting part and a wiring part, wherein the mounting part is fixedly installed in a storage cavity and the wiring part extends into a wiring frame; A clamping component, comprising a fixing plate, a connecting rod, and grippers, wherein the fixing plate is disposed on a wiring board, the connecting rod is connected to the fixing plate, and the grippers are disposed on the connecting rod; A wiring screw, which is threaded onto one end of the wiring frame along the Z direction and passes through the fixing plate; When the wiring frame moves along the Z direction, the two pressing blocks push the grippers to move along the X direction to clamp the wire.

[0006] Furthermore, the terminal block is provided with a plurality of positioning posts, and the fixing plate is provided with a plurality of positioning holes, wherein the plurality of positioning posts and the plurality of positioning holes are inserted and engaged in a one-to-one correspondence. Furthermore, the gripper includes a connecting portion and two clamping flaps, the two clamping flaps being integrally connected to both ends of the connecting portion along the X direction; The clamping petals are arranged in an arc shape.

[0007] Furthermore, several protrusions are provided on the inner side of the flap.

[0008] Furthermore, a first wire pressing boss is provided on the end of the wiring frame away from the wiring screw along the Z direction; The wiring part is provided with two second wire pressing bosses, and a connecting groove is formed between the two second wire pressing bosses; The first pressure boss and the connecting groove are inserted and fitted together along the Z direction.

[0009] The beneficial effects of this utility model are: The metal parts of the wire are clamped along the Z-direction using the junction box and junction plate. The movement of the junction box drives the pressing block to push the clamping plates laterally, so that the two clamping plates clamp the insulation part of the wire along the X-direction, further enhancing the clamping effect on the wire, achieving a stable connection of the wire, effectively preventing the wire from loosening or being pulled out by external forces, and improving the connection firmness. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the base structure of this utility model; Figure 2 This is a schematic diagram of the wiring assembly structure of this utility model; Figure 3 This is a cross-sectional view of the wiring assembly structure of this utility model; The markings in the diagram are as follows: 1. Base; 11. Storage chamber; 12. Wiring chamber; 2. Wiring frame; 21. Pressing block; 22. First wire pressing boss; 3. Wiring plate; 31. Mounting part; 32. Wiring part; 33. Positioning post; 34. Second wire pressing boss; 35. Connecting groove; 4. Clamping part; 41. Fixing plate; 42. Connecting rod; 43. Clamping claw; 44. Positioning hole; 5. Wiring screw. Detailed Implementation

[0011] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0012] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0013] Example 1:

[0014] This embodiment provides a wiring structure for an electricity meter, including a base 1 and a top cover. The base 1 includes a storage chamber 11 and a wiring chamber 12. The top cover is mounted on the base 1 to seal the base 1. The structure also includes a wiring assembly, which comprises: The wiring frame 2 is disposed in the wiring chamber 12, and two pressing blocks 21 are provided on one end of the wiring frame 2 along the Y direction; The terminal block 3 includes an integral mounting part 31 and a wiring part 32. The mounting part 31 is installed and fixed in the storage chamber 11, and the wiring part 32 extends into the wiring frame 2. Clamping component 4, the clamping component 4 includes a fixing plate 41, a connecting rod 42 and a clamping claw 43, the fixing plate 41 is disposed on the wiring plate 3, the connecting rod 42 is connected to the fixing plate 41, and the clamping claw 43 is disposed on the connecting rod 42; The wiring screw 5 is threaded onto one end of the wiring frame 2 along the Z direction and passes through the fixing plate 41; When the wiring frame 2 moves along the Z direction, the two pressing blocks 21 push the gripper 43 to move along the X direction to clamp the wire.

[0015] Furthermore, the wiring board 3 is provided with a plurality of positioning posts 33, and the fixing plate 41 is provided with a plurality of positioning holes 44, wherein the plurality of positioning posts 33 and the plurality of positioning holes 44 are inserted and engaged in a one-to-one correspondence. Furthermore, the gripper 43 includes a connecting portion and two clamping flaps, the two clamping flaps being integrally connected to both ends of the connecting portion along the X direction; wherein, the clamping flaps are arranged in an arc shape.

[0016] In this technical solution, the electricity meter assembly consists of a base 1, a top cover, wiring components, and a circuit module that carries the functions of the electricity meter. The top cover is mounted on top of the base 1, completely covering the opening at the top of the base 1, thus achieving sealed protection for all the internal chambers of the base 1. The base 1 has a storage chamber 11 and a wiring chamber 12 inside. The storage chamber 11 is used to carry the electricity meter circuit module, and the wiring chamber 12 is used to accommodate the wiring components.

[0017] The wiring assembly consists of a wiring frame 2, a wiring plate 3, a clamping member 4, and a wiring screw 5. The wiring frame 2 is integrally installed in the wiring chamber 12 inside the base 1. Two extrusion blocks 21 are integrally formed on one side end face along the Y direction. The two extrusion blocks 21 are symmetrically arranged left and right along the X direction. A threaded through hole is opened at one end of the wiring frame 2 along the Z direction. The wiring screw 5 forms a threaded engagement structure with the wiring frame 2 through the threaded through hole.

[0018] The terminal block 3 is a one-piece molded component, consisting of two sections: a mounting section 31 and a wiring section 32. The mounting section 31 is completely inserted into the storage chamber 11 of the base 1, and its position is defined by adhering to the inner wall of the chamber. The wiring section 32 extends entirely into the internal space of the wiring frame 2. Multiple positioning posts 33 protrude upwards from the surface of the terminal block 3. These positioning posts 33 can be evenly arranged along the Y direction or arranged in a triangular shape.

[0019] The clamping component 4 can be made of plastic and consists of three sections connected in sequence: a fixing plate 41, a connecting rod 42, and a clamping claw 43. Multiple sets of positioning holes 44 are formed on the surface of the fixing plate 41. The number and arrangement of the positioning holes 44 correspond one-to-one with the positioning posts 33 on the wiring section 32. Each positioning post 33 is inserted into a corresponding positioning hole 44 to achieve the installation and fixation between the fixing plate 41 and the wiring plate 3. One end of the connecting rod 42 is vertically and integrally connected to the fixing plate 41, and the other end is connected to the clamping claw 43. The clamping claw 43 includes a connecting part and two clamping petals. The two clamping petals are integrally formed and connected to both ends of the connecting part along the X direction. Each clamping petal has an arc-shaped bending design, and the two arc-shaped clamping petals are arranged opposite each other. Under the action of external pressure, the two clamping petals can retract towards each other along the X direction, and the arc-shaped inner wall of the clamping petals can conform to the outer contour of the wire. Furthermore, several protrusions are also provided on the inner side of the clamping petals. By providing several protrusions on the curved inner wall, the clamping flaps can securely clamp the wire.

[0020] With the above structural design, during wire connection assembly, the wire to be connected is first fed in from the side of the terminal frame 2. Then, the terminal screw 5 is rotated, and the terminal screw 5 drives the entire terminal frame 2 to move towards the terminal part 32 in the Z direction by means of the thread. The terminal frame 2 and the terminal part 32 of the terminal plate 3 together clamp the exposed metal part of the wire, realizing the wiring connection. At the same time, the two pressing blocks 21 on the terminal frame 2 move synchronously. The pressing blocks 21 contact the outer wall of the two arc-shaped clamping petals and continuously apply an inward pushing force in the X direction. The two clamping petals are supported by the connecting part and converge towards each other in the X direction, so that the two arc-shaped clamping petals together hug the insulation shell of the wire and apply a clamping force to the insulation shell of the wire.

[0021] In summary, by using the junction box 2 and the junction plate 3 to clamp the metal part of the wire along the Z direction, and by using the movement of the junction box 2 to drive the pressing block 21 to push the clamping plates laterally, the two clamping plates clamp the insulation part of the wire along the X direction, which further enhances the clamping effect on the wire, achieves a stable connection of the wire, effectively prevents the wire from loosening or being pulled out by external forces, and improves the connection firmness.

[0022] Example 2:

[0023] This embodiment provides a wiring structure for an electricity meter, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0024] Furthermore, a first wire pressing boss 22 is also provided on the end of the wiring frame 2 away from the wiring screw 5 along the Z direction; The wiring part 32 is provided with two second wire pressing bosses 34, and a connecting groove 35 is formed between the two second wire pressing bosses 34. The first pressure boss 22 and the connecting groove 35 are inserted and fitted together along the Z direction.

[0025] Through the above structural design, the wiring frame 2 and the wiring part 32 clamp the wires through the first wire pressing boss 22 and the second wire pressing boss 34 respectively. By utilizing the insertion and cooperation of the first wire pressing boss 22 and the connecting groove 35, the wires are bent while being clamped, which increases the pressing area and the resistance encountered when the wires are pulled, effectively preventing the wires from becoming loose or being pulled out, and improving the wiring firmness.

[0026] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A wiring structure for an electricity meter, comprising a base (1) and a top cover, characterized in that, The base (1) includes a storage chamber (11) and a wiring chamber (12). The upper cover is mounted on the base (1) to seal the base (1). The upper cover also includes a wiring assembly, which includes: The wiring frame (2) is located in the wiring chamber (12), and two pressing blocks (21) are provided on one end of the wiring frame (2) along the Y direction. The terminal block (3) includes an integral mounting part (31) and a wiring part (32). The mounting part (31) is installed and fixed in the storage chamber (11), and the wiring part (32) extends into the wiring frame (2). The clamping component (4) includes a fixing plate (41), a connecting rod (42) and a clamping claw (43). The fixing plate (41) is disposed on the wiring plate (3), the connecting rod (42) is connected to the fixing plate (41), and the clamping claw (43) is disposed on the connecting rod (42). A wiring screw (5) is threaded onto one end of the wiring frame (2) along the Z direction and passes through the fixing plate (41); When the wiring frame (2) moves along the Z direction, the two pressing blocks (21) push the gripper (43) to move along the X direction to clamp the wire.

2. The wiring structure of an electricity meter according to claim 1, characterized in that, The wiring board (3) is provided with a number of positioning posts (33), and the fixing plate (41) is provided with a number of positioning holes (44). The number of positioning posts (33) and the number of positioning holes (44) are connected in a corresponding manner.

3. The wiring structure of an electricity meter according to claim 1, characterized in that, The gripper (43) includes a connecting part and two clamping flaps, the two clamping flaps being integrally connected to both ends of the connecting part along the X direction; The clamping petals are arranged in an arc shape.

4. The wiring structure of an electricity meter according to claim 3, characterized in that, Several protrusions are also provided on the inner side of the clasp.

5. The wiring structure of an electricity meter according to claim 1, characterized in that, The wiring frame (2) is also provided with a first wire pressing boss (22) at the end away from the wiring screw (5) along the Z direction; The wiring part (32) is provided with two second wire pressing bosses (34), and a connecting groove (35) is formed between the two second wire pressing bosses (34). The first pressure boss (22) and the connecting groove (35) are inserted and fitted together along the Z direction.

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