CN113314889A

CN113314889A - Wiring device and meter

Info

Publication number: CN113314889A
Application number: CN202110601720.3A
Authority: CN
Inventors: 曾智; 刘俊涛; 曾嘉诚; 章文博
Original assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-27
Anticipated expiration: 2041-05-31
Also published as: CN113314889B

Abstract

The invention discloses a wiring device and a meter, and belongs to the technical field of electrical equipment. Termination, including lining up the terminal box of seting up the wiring hole, set up the activity wiring subassembly in the terminal box and rotate the unblock plectrum that sets up in the terminal box, activity wiring subassembly includes binding post and shell fragment, the shell fragment is including the free end that meets in proper order, bow-shaped pressure portion and stiff end, the stiff end rigid coupling is in binding post, free end department sets up plug wire mouth and binding post's one end and passes the plug wire mouth and stretch out, bow-shaped pressure portion has the trend that makes plug wire mouth and wiring hole staggered all the time, the unblock plectrum is equipped with first butt plane, bow-shaped pressure portion is configured into with first butt plane butt, the plug wire mouth is with the corresponding and position locking in. The wire can be fastened and connected without screws, so that the wiring engineering quantity is shortened, and the normal operation of the circuit is ensured.

Description

Wiring device and meter

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a wiring device and a meter.

Background

The current meter wiring port adopts screw bolt formula, at the wiring in-process, fixes the secondary circuit through screwing up the screw hard. If the force is too large, the screw is easy to screw and is too tight to damage the secondary circuit, and the secondary circuit can be snapped in seriously, so that the current loop is disconnected, the secondary loop is damaged, and the safe operation is influenced; if the twisting is too loose, a virtual connection is easily caused, which may result in poor contact of the wires or burn out of the wires.

Therefore, it is desirable to provide a wiring device and a meter to solve the above problems.

Disclosure of Invention

The invention aims to provide a wiring device and a meter, which do not need to adopt screw connection and ensure wiring fastening, thereby shortening wiring engineering quantity and ensuring normal operation of a circuit.

In order to realize the purpose, the following technical scheme is provided:

a wiring device comprising:

the junction box is provided with a wiring hole in a penetrating way;

the movable wiring assembly is arranged in the wiring box and comprises a wiring terminal and an elastic sheet, the elastic sheet comprises a free end, an arched pressed part and a fixed end which are sequentially connected, the fixed end is fixedly connected with the wiring terminal, a wiring port is formed in the free end, one end of the wiring terminal penetrates through the wiring port and extends out, and the arched pressed part always has the tendency of enabling the wiring port and the wiring hole to be staggered;

the unlocking shifting piece is rotatably arranged on the junction box and comprises a first abutting plane;

the arcuate pressed portion is configured to abut against the first abutment plane, and the wire insertion opening corresponds to the wire connection hole and is position-locked.

As an alternative of the wiring device, the unlocking poking piece further comprises a second abutting plane connected with the first abutting plane, a transition part where the first abutting plane is connected with the second abutting plane is a circular bulge, and the distance between the second abutting plane and the rotation center of the unlocking poking piece is greater than the distance between the first abutting plane and the rotation center of the unlocking poking piece;

the arcuate pressure receiving portion is configured to abut against the second abutment plane, and the socket is shifted from the terminal hole and locked in position.

As termination's alternative, still include spacing protection subassembly, spacing protection subassembly includes extension and block piece, the unblock plectrum is close to the planar one end of second butt is provided with the extension, block the piece set up in the terminal box, in order to block the swing of extension.

As an alternative of the wiring device, a plurality of installation spaces are arranged in the junction box, and the movable wiring assembly and the unlocking poking piece are arranged in each installation space.

As an alternative of the wiring device, the wiring device further comprises a transparent cover plate, and the transparent cover plate is covered on the wiring box.

As an alternative of the wiring device, the transparent cover plate and the junction box are connected by lead sealing screws.

As an alternative of the wiring device, a phase sequence mark is arranged on one side, far away from the elastic sheet, of the unlocking poking sheet.

The utility model provides a measuring meter, includes ammeter case and as above arbitrary termination's technical scheme, the ammeter case is concave to be equipped with the mounting groove, termination inserts and locates in the mounting groove.

As an alternative to a meter, the meter box is provided with a display screen for displaying various electricity consumption parameters.

As an alternative of the meter, the outer wall of the junction box is provided with a guide groove extending in the thickness direction, and the inner wall of the mounting groove is convexly provided with a guide protrusion which can slide in the guide groove.

Compared with the prior art, the invention has the beneficial effects that:

the wiring device provided by the invention is characterized in that a wiring hole for a lead to pass through is arranged on a wiring box, a wiring terminal and an elastic sheet are arranged in the wiring box, the fixed end of the elastic sheet is fixedly connected on the wiring terminal, one end of the wiring terminal passes through the free end provided with a wiring port and extends out, when the bow-shaped pressed part is not subjected to external force, the wiring port is staggered with the wiring hole, an operator simply stirs an unlocking poking sheet to rotate relative to the wiring box, a first abutting plane is abutted with the bow-shaped pressed part, the bow-shaped pressed part drives the wiring port at the free end to move, the wiring port is enabled to be in a state corresponding to the wiring hole and the position of the wiring port is locked, the lead can smoothly pass through the wiring port and the wiring hole, then the unlocking pokes the unlocking poking sheet along the opposite direction and utilizes the restoring force of the bow-shaped pressed part to restore the wiring port and the wiring hole, the lead is tightly pressed on the wiring terminal by the free end without screws, the fastening connection of the wires can be realized, the wiring engineering quantity is shortened, and the normal operation of the circuit is ensured.

According to the meter provided by the invention, the plug wire port and the wiring hole are freely switched to be corresponding or staggered through the unlocking poking piece and the arc-shaped pressed part, the fastening connection of the wires can be realized without screws, the wiring engineering quantity of the meter is shortened, and the normal operation of a line is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is an exploded view of a wiring lug in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a wiring lug in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a movable wiring assembly in an embodiment of the present invention;

FIG. 4 is an exploded schematic view of a meter in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an electricity meter box in the embodiment of the invention.

Reference numerals:

1. a junction box; 2. a movable wiring assembly; 3. unlocking the shifting piece; 4. a transparent cover plate; 5. lead sealing screws; 6. an electric meter box;

11. a wiring hole; 12. a blocking block; 13. a guide groove;

21. a wiring terminal; 22. a spring plate; 221. a free end; 222. an arcuate compression portion; 223. a fixed end; 224. a wire plugging port;

31. a first abutment plane; 32. a second abutment plane; 33. an extension portion;

61. mounting grooves; 62. a display screen; 63. a guide projection.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In order to ensure the normal operation of the circuit while reducing the wiring amount without using screws and ensuring the fastening of the wiring, the present embodiment provides a wiring device, and the details of the present embodiment are described in detail below with reference to fig. 1 to 5.

Example one

As shown in fig. 1 to 3, a wiring device includes a terminal box 1, a movable wiring component 2 and an unlocking paddle 3, wherein a wiring hole 11 is formed through one side wall of the terminal box 1. Activity wiring subassembly 2 sets up in terminal box 1, activity wiring subassembly 2 includes binding post 21 and shell fragment 22, binding post 21 is the copper bar, shell fragment 22 adopts the sheetmetal or has the plastics material of resilience to make, shell fragment 22 is including the free end 221 that meets in proper order, bow-shaped portion 222 and the stiff end 223 of receiving, stiff end 223 rigid coupling in binding post 21, free end 221 department has seted up plug wire mouth 224 and binding post 21's one end and has passed plug wire mouth 224 and stretch out, plug wire mouth 224 both can be square also can be circular. The arcuate pressed portions 222 always have a tendency to stagger the wire insertion opening 224 and the wire connection hole 11. Unblock plectrum 3 rotates and sets up on the relative both sides wall of terminal box 1, specifically, has seted up the pinhole on the relative both sides wall of terminal box 1, adopts the round pin axle to pass pinhole and unblock plectrum 3 in proper order, and unblock plectrum 3 includes first butt plane 31, and unblock plectrum 3 adopts insulating material to make. The arcuate pressed portion 222 is a flat surface, and when the arcuate pressed portion 222 abuts against the first abutting flat surface 31, the arcuate pressed portion 222 is configured to abut against the first abutting flat surface 31, and the wire insertion opening 224 corresponds to the wire connection hole 11 and is locked in position.

In short, the wiring device provided by the invention is characterized in that a wiring hole 11 for a lead to pass through is arranged on a terminal box 1, a wiring terminal 21 and an elastic sheet 22 are arranged in the terminal box 1, a fixed end 223 of the elastic sheet 22 is fixedly connected on the wiring terminal 21, one end of the wiring terminal 21 passes through a free end 221 provided with a wiring port 224 and extends out, when an arched pressed part 222 is not subjected to external force, the wiring port 224 is staggered with the wiring hole 11, an operator simply stirs an unlocking poking sheet 3 to rotate relative to the terminal box 1, a first abutting plane 31 abuts against the arched pressed part 222, the arched pressed part 222 drives the wiring port 224 of the free end 221 to move, further the wiring port 224 corresponds to the wiring hole 11 and is in a position locking state, the lead can smoothly pass through the wiring port 224 and the wiring hole 11, then stirs the unlocking poking sheet 3 along the opposite direction and utilizes the restoring force of the arched pressed part 222 to restore the wiring port 224 and the wiring hole 11 to be in a staggered state, the wire is pressed tightly on the wiring terminal 21 by the free end 221, the fastening connection of the wire can be realized without screws, the wiring engineering quantity is shortened, and the normal operation of the circuit is ensured.

Further, as shown in fig. 1, the unlocking paddle 3 further includes a second abutting plane 32 connected to the first abutting plane 31, a transition portion where the first abutting plane 31 is connected to the second abutting plane 32 is a circular protrusion, a distance between the second abutting plane 32 and a rotation center of the unlocking paddle 3 is greater than a distance between the first abutting plane 31 and the rotation center of the unlocking paddle 3, the arcuate pressure receiving portion 222 is configured to abut against the second abutting plane 32, and the wire insertion opening 224 is staggered from the wire connection hole 11 and is locked in position. When the arc-shaped pressed part 222 is attached to the second abutting plane 32, the wire insertion opening 224 is staggered from the wire connection hole 11 and is locked in position, that is, the direction of the acting force of the arc-shaped pressed part 222 on the second abutting plane 32 passes through the center of the unlocking poking piece 3 to form a dead point, and the arc-shaped pressed part 222 cannot move further under the action of the restoring force, so that the position locking effect is achieved.

Specifically, the wiring device adopts a shifting piece snap-in type, and the secondary circuit can be connected with the wiring terminal 21 only by directly inserting the secondary circuit into the wiring hole 11 and the wiring port 224 and pressing the unlocking shifting piece 3.

Further, as shown in fig. 2, the wiring device further includes a limiting protection assembly, the limiting protection assembly includes an extending portion 33 and a blocking block 12, the extending portion 33 is disposed at one end of the unlocking poking piece 3 close to the second abutting plane 32, and the blocking block 12 is disposed in the junction box 1 to block the swinging of the extending portion 33. Specifically, the blocking block 12 is installed in the terminal box 1 and on the same side as the wiring hole 11, the blocking block 12 is provided with a first inclined surface toward the extending portion 33, the extending portion 33 is provided with a second inclined surface, and when the direction of the force of the arched pressed portion 222 on the second abutting plane 32 does not pass through the center of the unlocking pulling piece 3, the unlocking pulling piece 3 abuts against the extending portion 33 to prevent the unlocking pulling piece 3 from colliding with other parts due to a large rotation range under the action of the restoring force of the arched pressed portion 222 during further restoring swinging.

Further, as shown in fig. 1, a plurality of installation spaces are provided in the junction box 1, and a movable wiring assembly 2 and an unlocking paddle 3 are provided in each installation space, so that a plurality of wires can be conveniently connected.

Further, as shown in fig. 1 and 4, the wiring device further includes a transparent cover plate 4, and the transparent cover plate 4 covers the junction box 1. The internal wiring working condition can be observed without disassembling the wiring device.

Further, as shown in fig. 1 and 4, the transparent cover plate 4 is connected with the junction box 1 by lead sealing screws 5. Thus, the electricity stealing prevention can be realized, and the wiring condition of the internal wiring terminal 21 can be observed through the transparent cover plate 4.

Further, one side of the unlocking poking sheet 3, which is far away from the elastic sheet 22, is provided with a phase sequence mark, and different phases of the conducting wire can be identified through the phase sequence mark. The unlocking shifting piece 3 is used for marking different phase sequences and current directions by using different colors of yellow, green, red and blue, so that a meter-installing wiring person can see the connected phase line at a glance, and the probability of wrong wiring can be greatly reduced, thereby reducing the risk of wrong wiring, and facilitating later work such as power utilization inspection and metering field check in the future.

Example two

This embodiment still provides a strapping table, compares with embodiment one, and the basic structure that is used for the wiring that the strapping table that this embodiment provided adopted is the same with embodiment one, and this embodiment is no longer to going on repeatedly with the structure that embodiment one is the same.

As shown in fig. 4 and 5, the meter includes an electric meter box 6 and a wiring device, the electric meter box 6 is concavely provided with a mounting groove 61, and the wiring device is inserted into the mounting groove 61. The wiring device is convenient to assemble with the electric meter box 6, and is favorable for batch production of the meters.

Further, as shown in fig. 5, the electricity meter box 6 is provided with a display screen 62 for displaying various electricity usage parameters. The operating personnel can conveniently and directly check various power utilization parameters of the power utilization equipment.

Further, as shown in fig. 1 and 5, the outer wall of the junction box 1 is provided with a guide groove 13 extending in the thickness direction, and the inner wall of the mounting groove 61 is convexly provided with a guide protrusion 63, and the guide protrusion 63 can slide in the guide groove 13. The function of guiding the wiring device to be inserted into the mounting groove 61 is achieved, and the assembly efficiency is further improved.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A wiring device, comprising:

the junction box (1) is provided with a wiring hole (11) in a penetrating way;

the movable wiring component (2) is arranged in the junction box (1), the movable wiring component (2) comprises a wiring terminal (21) and an elastic sheet (22), the elastic sheet (22) comprises a free end (221), an arched pressed part (222) and a fixed end (223) which are sequentially connected, the fixed end (223) is fixedly connected to the wiring terminal (21), a wire plugging port (224) is formed in the free end (221), one end of the wiring terminal (21) penetrates through the wire plugging port (224) and extends out, and the arched pressed part (222) always has the tendency that the wire plugging port (224) and the wiring hole (11) are staggered;

the unlocking shifting piece (3) is rotatably arranged on the junction box (1), and the unlocking shifting piece (3) comprises a first abutting plane (31);

the arcuate pressed portion (222) is configured to abut against the first abutting plane (31), and the wire insertion opening (224) corresponds to the wire connection hole (11) and is position-locked.

2. The wiring connecting device according to claim 1, wherein the unlocking paddle (3) further comprises a second abutment plane (32) connected to the first abutment plane (31), a transition of the first abutment plane (31) to the second abutment plane (32) is a circular protrusion, and a distance between the second abutment plane (32) and a rotation center of the unlocking paddle (3) is greater than a distance between the first abutment plane (31) and the rotation center of the unlocking paddle (3);

the arcuate pressed portion (222) is configured to abut against the second abutment plane (32), and the wire insertion opening (224) is displaced from the wire connection hole (11) and locked in position.

3. The wiring device according to claim 2, further comprising a limit protection assembly, wherein the limit protection assembly comprises an extension portion (33) and a blocking block (12), one end of the unlocking pulling piece (3) close to the second abutting plane (32) is provided with the extension portion (33), and the blocking block (12) is arranged in the junction box (1) to block the swing of the extension portion (33).

4. The wiring device according to claim 1, characterized in that a plurality of installation spaces are provided in the terminal box (1), and the movable wiring component (2) and the unlocking paddle (3) are provided in each of the installation spaces.

5. The wiring device according to claim 1, further comprising a transparent cover plate (4), wherein the transparent cover plate (4) is covered on the junction box (1).

6. The wiring device according to claim 5, characterized in that the transparent cover plate (4) is connected with the junction box (1) by lead sealing screws (5).

7. The wiring device according to claim 4, characterized in that a side of the unlocking pick (3) away from the spring plate (22) is provided with a phase sequence mark.

8. A meter, comprising an electric meter box (6) and a wiring device according to any one of claims 1 to 7, wherein the electric meter box (6) is recessed with a mounting groove (61), and the wiring device is inserted into the mounting groove (61).

9. The consumption meter according to claim 8, characterized in that the electricity meter box (6) is provided with a display screen (62) for displaying various electricity usage parameters.

10. The meter according to claim 8, wherein the outer wall of the junction box is provided with a guide groove (13) extending in the thickness direction, the inner wall of the mounting groove (61) is convexly provided with a guide projection (63), and the guide projection (63) can slide in the guide groove (13).