CN213813717U

CN213813717U - Multi-point compression type pressing terminal box and electric energy meter

Info

Publication number: CN213813717U
Application number: CN202022758931.1U
Authority: CN
Inventors: 刘玲; 张晓宙; 张泉; 孙凯; 豆林林; 周渠; 刘得雄
Original assignee: Southwest University; Jinzhong Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Current assignee: Southwest University; Jinzhong Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-27
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of the electric energy meter installation, concretely relates to button box and electric energy meter are pressed to multiple spot pressing mode aims at solving current single-point compact structure's not enough and safety problem. This terminal box is including setting up the wire mouth on the body, pressing handle and first suppression piece of popping, is equipped with an exit end and a straight end on the first suppression piece, is equipped with on the expenditure end to correspond with the wire mouth and be used for the entrance hole that the wire wore to establish, still including setting up on this body and can be popped the suppression piece by the second of the first suppression piece of popping's expenditure end effect, the second is popped the suppression piece and is equipped with and acts on the wire and make this wire press in the goat's horn end of external copper sheet. The utility model discloses a mode that the multiple spot compressed tightly the wire makes wire and current conducting plate after second spring pressing piece and the wire contact compress tightly, avoids the virtual contact of wire and current conducting plate, is favorable to high-power transmission.

Description

Multi-point compression type pressing terminal box and electric energy meter

Technical Field

The utility model belongs to the technical field of the electric energy meter installation, concretely relates to button box and electric energy meter are pressed to multiple spot pressing mode.

Background

Electric energy meters are the most common and widely used electric energy metering devices in the electric power industry today. Along with the development of economic society, the power demand of each industry of society is bigger and bigger, and people's power demand also has the individuation more, for better carrying out the measurement to electric energy use amount, the electric energy meter plays irreplaceable effect.

The existing end twist box for the electric energy meter on the market mostly adopts a mode of manually twisting screws to compress wiring, namely, one end of a terminal is embedded in the lower half part of an electric energy meter terminal box body, wiring holes are formed in the end face of the electric energy meter terminal box body, mounting screw holes are formed above the wiring holes, and fixing screws are used for crimping cables inserted into the wiring holes. In addition, if the operation is not proper, local overheating caused by a small contact area due to cable position deviation or short circuit caused by mutual contact of wires exposed outside can be caused, so that a great potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a button box and electric energy meter are pressed to multiple spot pressing mode aims at solving current single-point compact structure's not enough and safety problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a terminal button box is pressed to multiple spot pressing mode, is including setting up the wire mouth on the body, pressing handle and first suppression piece, is equipped with an exit end and a straight end on the first suppression piece, is equipped with the entrance hole that can correspond with the wire mouth and be used for the wire to wear to establish on the expenditure end, still including setting up on this body and can be by the second suppression piece that plays the expenditure end effect of first suppression piece, the second suppression piece is equipped with and acts on the wire and makes this wire press in the goat's horn end of external copper sheet.

The conducting plate is arranged on the external copper sheet and is communicated with the conducting wire, and the corresponding surface of the conducting plate facing the conducting wire is a concave arc surface matched with the conducting wire.

Furthermore, the current conducting plate is fixed on the body, or an external copper sheet overhangs in the body and is acted by the straight end of the first elastic pressing piece.

Furthermore, the end of the current conducting plate, which deviates from the external copper sheet, penetrates through the wire inlet hole.

Furthermore, the end of the current conducting plate deviating from is provided with a bending part avoiding the first spring pressing part at the outer edge of one side or two sides of the axial direction.

Further, the first urging member is mounted in the body through the first support member, and the second urging member is mounted in the body through the second support member.

Furthermore, the first elastic pressing piece and the second elastic pressing piece are elastic pieces.

The utility model also provides an electric energy meter contains foretell multiple spot pressing mode and presses terminal button box.

Preferably, four multi-point compression type pressing terminal button boxes are provided.

The utility model has the advantages that:

1. the utility model discloses exerting oneself in the mode that changes the current artifical screw of twisting and compress tightly the wiring, reach and reduce intensity of labour, improve work efficiency, practice thrift the effect of manpower and materials cost by a wide margin.

2. The utility model discloses a current electric energy meter is avoided when exempting from to twist the terminal to current electric energy meter circular arc design scheme of current conducting plate line ball department, compresses tightly wire and current conducting plate line ball department because of the single-point and leads to area of contact less for the straight face to arouse local overheated problem, and then safe efficient develops wiring work, improves economic benefits.

3. The utility model discloses a mode that the multiple spot compressed tightly the wire has solved among the prior art and has compressed tightly with the mode of single-point for the wire and the current conducting plate of elastic element and wire contact department compress tightly, or do not connect with the current conducting plate in other positions wire, in order to do benefit to high-power transmission.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of the terminal box of the present invention.

Fig. 2 is another structural diagram of fig. 1.

Fig. 3 is a schematic front view of fig. 1.

Fig. 4 is a schematic structural view of the terminal box of the present invention at the locking wire.

Fig. 5 is a schematic structural diagram of an electric energy meter using an end button box according to the present invention.

Reference numerals: the device comprises a body 1, a wire guide opening 2, a pressing handle 3, a first supporting part 4, an external copper sheet 5, a conductive plate 6, a bending part 7, a second spring pressing part 8, a second supporting part 9, a wire inlet hole 10, a first spring pressing part 11 and a wire 12.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Referring to fig. 1 and 2, the multi-point press type press terminal button box according to the present embodiment includes a wire guide port 2, a press handle 3, and a first press member 11 disposed on a body 1, wherein the first press member 11 is mounted in the body 1 through a first support member 4, and has an exit end and a flat end, the exit end is provided with a wire inlet hole 10 corresponding to the wire guide port 2 and through which a wire 12 passes, and a second press member 8 disposed on the body 1 through a second support member 9 and acted by the exit end of the first press member 11, the second press member 8 is provided with a claw end acting on the wire 12 and pressing the wire 12 against an external copper sheet 5, and the claw end can form two support points to press the wire 12, and the first press member 11 and the second press member 8 both use elastic sheets to have elastic variables, and the first support member and the second support member mainly ensure the first press member, the second press member, and the first press member respectively, The general position of the second spring pressing piece cannot be changed along with the poking of the pressing handle. Adopt above-mentioned scheme, the utility model discloses the mode that utilizes the multiple spot to compress tightly the wire has solved among the prior art with the mode of single-point and has compressed tightly for elastic element compresses tightly with external copper sheet with the wire of wire contact department, or does not connect with external copper sheet in other positions wire and virtual, in order to do benefit to high-power transmission.

The copper sheet connector also comprises a conductive plate 6 which is arranged on the external copper sheet 5 and is used for being communicated with the lead 12, the conductive plate is made of a conductor, so that the conductive efficiency of the copper sheet connector can be effectively increased, and the conductive plate 6 is arranged to be a concave arc surface matched with the lead 12 on the corresponding surface facing the lead 12. Like this, adopt current conducting plate line ball department circular arc design scheme, avoid current electric energy meter when exempting from to twist the terminal, lead to area of contact less for the straight face because of single-point compresses tightly wire and current conducting plate line ball department to arouse local overheated problem, and then safe efficient develops wiring work, improves economic benefits. Simultaneously the concave arc face on the current conducting plate matches with the goat's horn end on the second suppressing piece, can ensure to be compressed tightly when the large tracts of land contacts between current conducting plate and the wire and be connected.

The conductive plate 6 in this embodiment may be fixed to the body 1. Of course, in different embodiments, the external copper sheet 5 may also be suspended in the body 1 and acted by the straight end of the first spring pressing member 11, so that the conductive plate may not only serve as a support for the first spring pressing member, but also the straight end of the first spring member and the claw end of the second spring pressing member may be matched with each other to compress the conductive plate and the wire.

The end of the conductive plate 6 facing away from the external copper sheet 5 in the present embodiment passes through the wire inlet hole 10 to better press and connect the conductive plate with the wire. Simultaneously, the end that deviates from of current conducting plate 6 is equipped with the portion of bending 7 of dodging first spring-compression part 11 in axial one side or both sides outer fringe, and this portion of bending can also play direction and spacing effect to the wire.

When in use, the initial state is as shown in figure 3, then the pressing handle 3 is pushed to press the first elastic pressing piece 11 to deform, the outgoing end moves downwards, the exposed wire inlet hole 10 corresponds to the wire guide port 2 on the body 1, and the end to be outgoing presses the second elastic pressing piece to deform and moves downwards to expose the wire inlet channel of the conductive plate 6; then, the lead 12 is inserted into the lead opening and passes through the wire inlet hole to be positioned on the wire inlet channel below the conductive plate, the pressing handle is released to enable the outgoing end of the first elastic pressing piece to retract, the claw end of the second elastic pressing piece loses the acting force of the outgoing end of the first elastic pressing piece to reset upwards, the second elastic pressing piece is matched with the conductive plate to lock the lead at the point a and the point b, and the pressing state is shown in fig. 4.

As shown in fig. 5, the present embodiment further relates to an electric energy meter, which adopts the multi-point compression type pressing terminal box and the external copper sheet 5 inserted into the terminal box and used for being communicated with the wire 12, wherein the multi-point compression type pressing terminal box is provided with four pieces arranged side by side, and the actual measurement connection is stable and firm.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a terminal button box is pressed to multiple spot pressing mode, is including setting up wire mouth (2), pressing handle (3) and first suppress spare (11) on body (1), be equipped with an exit end and a straight end on the first suppress spare, be equipped with on the expenditure end and correspond with the wire mouth and be used for wire (12) to wear to establish entrance hole (10), its characterized in that still including setting up on this body and can be by second suppress spare (8) of the expenditure end effect of first suppress spare, second suppress spare is equipped with and acts on the wire and makes this wire press in the goat's horn end of external copper sheet (5).

2. The multipoint compression-type press terminal box according to claim 1, further comprising a conductive plate (6) provided on the external copper sheet and adapted to communicate with the lead wire, the conductive plate being provided with a concave arc surface adapted to the lead wire at a corresponding surface facing the lead wire.

3. The multipoint compression push terminal button box of claim 2, wherein the conductive plate is fixed to the body or is cantilevered into the body by an external copper tab and acted upon by the flat end of the first spring press.

4. The multipoint compression push terminal box of claim 2 or 3, wherein an end of said conductive plate facing away from said circumscribing copper sheet passes through a wire entry hole.

5. The multipoint compression-type press terminal box according to claim 4, wherein the end of the conductive plate facing away from the terminal box is provided with a bent portion (7) avoiding the first spring pressing member at one or both outer edges in the axial direction.

6. The multipoint compression push terminal box according to claim 1, wherein said first biasing member is mounted in the body by a first support member (4) and said second biasing member is mounted in the body by a second support member (9).

7. The multipoint compression-type press button box of claim 1, wherein said first and second spring-biased members are each a resilient tab.

8. An electric energy meter comprising the multipoint compression type push terminal box according to any one of claims 1 to 7.

9. The electrical energy meter of claim 8, wherein there are four of the multi-point compression-type push button boxes.