CN213181690U

CN213181690U - Electric energy meter with terminal box

Info

Publication number: CN213181690U
Application number: CN202021439750.6U
Authority: CN
Inventors: 唐健; 魏章波; 林国庆; 赵嵩; 罗崇
Original assignee: Ningbo Sanxing Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-11
Anticipated expiration: 2030-07-20

Abstract

The utility model relates to an electric energy meter with an end button box, which comprises an end button box, a plurality of strip-shaped grooves which are arranged at intervals along the length direction and extend along the width direction of the end button box; a wiring terminal is arranged in the strip-shaped groove, and a wiring groove extending along the length direction of the strip-shaped groove is formed in the wiring terminal; the terminal box is characterized by also comprising a row of nuts, wherein the row of nuts extends along the length direction of the terminal box and is arranged towards the wiring groove; many row's needles are arranged side by side and are arranged with the wiring groove correspondence, the position that row's needle is close to the middle part is installed on arranging female, arranges the first end of needle and inserts and locate corresponding wiring groove and be connected with the binding post electricity that corresponds, arrange the second end of needle and be used for inserting in the mounting hole of the ammeter mount pad of locating the ammeter case. When installing the electric energy meter on the ammeter case, only need insert the row needle of electric energy meter and establish in the mounting hole of ammeter case, can realize with the installation of ammeter case, at the cartridge in-process, the risk that can not take place to electrocute when operating personnel touches the surface of mounting hole.

Description

Electric energy meter with terminal box

Technical Field

The utility model belongs to the ammeter field, concretely relates to electric energy meter with terminal box.

Background

An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities.

The electric energy meter is usually installed in the ammeter case, and present ammeter case is like chinese utility model patent "an ammeter case", and its patent number ZL201520420231.8 (the grant bulletin number is CN204789675U) discloses an ammeter case, including the box, pull out formula of inserting ammeter mount pad, dust protected ventilation heat abstractor. The dustproof ventilation and heat dissipation device comprises a shutter and a movable baffle, wherein the movable baffle is positioned on the inner side of the shutter, small holes are formed in the movable baffle, and slots are formed in box bodies on two sides of the inner side of the shutter. The plug-in type ammeter mounting seat comprises a seat body for placing an ammeter and a binding post fixedly arranged at the lower part of the seat body; the upper part of the binding post is a plug end and a lower wiring end of the binding post; the plug end can be inserted into a wire interface of the electric meter and can be in close contact with the wire interface of the electric meter.

In the above-mentioned patent, the wire interface of ammeter sets up on the terminal box usually, when the installation ammeter, needs to correspond the grafting with the wire interface of ammeter and the plug-in terminal that pulls out in the ammeter case, and the plug-in terminal that pulls out of ammeter case is usually in the on-state, and at the in-process of pegging graft, operating personnel touches easily and pulls out the plug-in terminal and take place the risk of electrocuteeing.

Therefore, further improvements to existing electric energy meters are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, provide an electric energy meter with terminal box that reduces the risk of electrocution when the electric energy meter is installed.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an electric energy meter with terminal box comprises

The terminal box is provided with a plurality of strip-shaped grooves which are arranged at intervals along the length direction and extend along the width direction;

a wiring terminal is arranged in the strip-shaped groove, and a wiring groove extending along the length direction of the strip-shaped groove is formed in the wiring terminal;

it is characterized by also comprising:

the row of nuts extend along the length direction of the terminal box and are arranged towards the wiring groove;

many row needles arrange side by side and with the wire connection slot corresponds arranges, the position that row needle is close to the middle part is installed arrange female last, the first end of row needle is inserted and is located corresponding wire connection inslot and be connected with corresponding binding post electricity, the second end of row needle is used for inserting the mounting hole of the ammeter mount pad of locating the ammeter case.

In order to limit dust, water, ants and the like from entering the wiring grooves through gaps between the row nuts and the terminal button boxes, the row nuts abut against corresponding positions of the upper surfaces of the terminal button boxes facing the upper surfaces of the terminal button boxes and the lower surfaces of the terminal button boxes under the condition that the row pins are installed in the corresponding wiring grooves.

In order to further limit dust, water, ants and the like from entering the wiring groove through a gap between the row of the female terminals and the terminal button box, the lower surface of the terminal button box facing the row of the female terminals is provided with a blocking rib extending downwards, and the blocking rib is positioned on the front side of the row of the female terminals.

The retaining rib has various structural forms, but preferably, the retaining rib is U-shaped, and the rear wall surface of the retaining rib is abutted against the corresponding position of the front surface of the row of nuts.

In order to realize the fixation of the pin header and the wiring terminal, the wiring terminal is vertically arranged, a screw hole for installing a screw therein and extending along the front and the back is formed in the front surface of the wiring terminal, and the screw hole is communicated with the corresponding wiring groove.

The end button box can adopt the form of an organic whole piece, also can adopt the components of a whole that can function independently to connect, but from binding post easy dismounting's angle say, preferentially, the end button box includes lid and the box body of arranging in proper order backward from the forward, the front side of box body is uncovered, the lid is established the front side opening department of box body, and with enclose between the box body and close and be formed with the bar groove, the vertical setting in bar groove, the lid has been seted up on the position that corresponds the screw hole and has been dodged the mouth.

There are various connection methods of the cap and the case body, but preferably, the cap is mounted on the case body by a snap structure.

The form of buckle structure has the multiple, can adopt the buckle and detain the form in hole, also can adopt the form of two buckle butts, but preferably, the joint structure is including setting up buckle on the lid, the buckle has two, and sets up respectively lid length direction's both sides, the box body has the connecting plate that extends forward on the position that corresponds the buckle, set up on the connecting plate and supply to correspond the buckle card and establish the knot hole in it.

Preferably, still including the table lid and having the open base of front side, the table lid is established the open department of front side of base and with the base encloses to close and is formed with the accommodation space, the end button box is located in the accommodation space, the vertical setting of wiring groove, the row's of pins part is located the below of accommodation space.

Specifically, the meter cover comprises an upper meter cover and a lower end cover, the upper end of the lower end cover is connected with the upper meter cover, the lower end of the lower end cover is provided with an extension plate extending backwards, and the front surface of the row nut partially abuts against the extension plate. Thus, the row nuts are limited from moving forwards under the pressing of the extension plate.

Compared with the prior art, the utility model has the advantages of: be provided with row mother and row needle on this electric energy meter's terminal button box, when needs install the electric energy meter on the ammeter case, only need insert the row needle of electric energy meter and establish in the mounting hole of ammeter case, realize the installation of electric energy meter and ammeter case, at the cartridge in-process, operating personnel can not take place the risk of electrocuteeing when contacting the surface of mounting hole, the problem of bringing of electrocuteeing risk of contact to ammeter case contact pin emergence when the cartridge has been overcome in the background art, its practicality is good, and structural design is more reasonable.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1;

FIG. 5 is a schematic view of the assembly of the terminal box with the female pin header and the pin header of FIG. 1;

fig. 6 is a schematic perspective exploded view of fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the electric energy meter with terminal box according to the embodiment of the present invention includes terminal box 1, terminal 2, row bus bar 3, row pin 31, meter cover 4 and base 5 with front opening.

As shown in fig. 1, the watch cover 4 is disposed at the front opening of the base 5 and encloses with the base 5 to form an accommodating space 51, and the terminal box 1 is located in the accommodating space 51. In this embodiment, as shown in fig. 2, the watch cover 4 includes an upper watch cover 41 and a lower cover 42, the upper end of the lower cover 42 is connected to the upper cover 41, the lower end of the lower cover 42 has an extending plate 421 extending backward, and a gap is formed between the extending plate 421 and the base 5.

As shown in fig. 5 and 6, the terminal box 1 includes lid 13 and box body 14 that arrange in proper order from preceding back, the front side of box body 14 is uncovered, lid 13 lid is established in the uncovered department of the front side of box body 14 and is connected with box body 14, and with the box body 14 between enclose and close the bar groove 11 that is formed with extension from top to bottom, as shown in fig. 3, bar groove 11 has a plurality ofly, and the interval arrangement about the length direction of terminal box 1, bar groove 11 extends and the equal opening in upper and lower both ends of bar groove 11 from top to bottom along the width direction of terminal box 1.

In order to realize the connection between the box cover and the box body, as shown in fig. 5 and 6, the left and right sides of the length direction of the box cover 13 are respectively provided with a buckle 131, the box body 14 is provided with a connecting plate 141 extending forward at a position corresponding to the buckle 131, the connecting plate 141 is provided with a buckle hole 1411 for the buckle 131 to be clamped therein, the buckle 131 and the buckle hole 1411 form a clamping structure, and the box cover 13 is mounted on the box body 14 through the clamping structure.

As shown in fig. 4, all be provided with binding post 2 in every bar groove 11, specifically, as shown in fig. 3, binding post 2 is vertical to be set up in the bar groove 11 that corresponds, and binding post 2 has the wiring groove 21 that extends along its length direction, and wiring groove 21 is vertical to be extended and link up corresponding binding post 2, and then the upper and lower both ends of wiring groove 21 are all uncovered. As shown in fig. 6, the front surface of the terminal 2 is provided with screw holes 22 extending in the front-rear direction, into which the screws 6 are fitted, and the screw holes 22 communicate with the corresponding terminal grooves 21. As shown in fig. 6, the front plate of the box cover 13 is provided with an escape opening 132 at a position corresponding to the screw hole 22, and in a state where the screw 6 is mounted in the corresponding screw hole 22 through the escape opening 132, the rear end of the screw 6 abuts against the corresponding pin header 31.

As shown in fig. 4 to 6, the row bus bar 3 extends along the length direction of the terminal box 1 and is located below the terminal box 1, as shown in fig. 3, a channel 32 extending up and down is formed in the row bus bar 3, each wiring slot 21 corresponds to one row pin 31, the row pins 31 are vertically arranged, the position of the row pin 31 adjacent to the middle portion is fixedly penetrated in the channel 32, the upper ends of the row pins 31 are inserted into the corresponding wiring slots 21 and are electrically connected with the corresponding wiring terminals 2, and the lower ends of the row pins 31 are located below the accommodating space 51.

In order to prevent water, dust, ants and the like from entering the wiring slot through the gap between the female terminal and the terminal box, as shown in fig. 6, the lower surface of the box body 13 of the terminal box 1 is provided with a blocking rib 12 extending downwards, and the blocking rib 12 is in a U shape with a backward opening. As shown in fig. 3, when the row bus bar 3 is partially positioned in the gap in a state where the upper end of the pin header 31 is inserted into the corresponding wire connecting groove 21, the lower portion of the row bus bar 3 is positioned below the gap, the upper surface of the row bus bar 3 abuts against the corresponding position of the lower surface of the terminal box 1, the blocking rib 12 is positioned on the front side of the row bus bar 3, and the rear wall surface of the blocking rib 12 abuts against the corresponding position of the front surface of the row bus bar 3. In addition, the extension plate 421 of the lower end cap 42 abuts against the corresponding position of the front surface of the row mother 3, so that the row mother 3 is limited on the terminal box under the pressing of the extension plate.

The electric energy meter is usually installed in an electric meter box, specifically, an electric meter installation seat for installing the electric energy meter is arranged in the electric meter box, installation holes are formed in the electric meter installation seat, the pin header 31 of the electric energy meter is inserted into the corresponding installation holes, and therefore the electric energy meter is connected with the electric meter box in a plug-in mounting mode. The pin header 31 may also take the form of a flexible cord.

In this embodiment, the position relationship and the structural connection relationship between the terminal box and the row bus, the row pin and the terminal box are mainly used, and the related circuits are the same as those in the prior art, which will not be described in detail in this application.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. An electric energy meter with terminal box comprises

The terminal box (1) is provided with a plurality of strip-shaped grooves (11) which are arranged at intervals along the length direction and extend along the width direction;

the wiring terminal (2) is arranged in the strip-shaped groove (11), and the wiring terminal (2) is provided with a wiring groove (21) extending along the length direction of the corresponding strip-shaped groove (11);

it is characterized by also comprising:

the row of nuts (3) extends along the length direction of the terminal box (1) and is arranged towards the wiring groove (21);

many arrange needle (31), arrange side by side and with wiring groove (21) correspond arranges, arrange needle (31) and install arrange female (3) on, just the one end of arranging needle (31) is inserted and is located corresponding wiring groove (21) and is connected with binding post (2) electricity that corresponds, the other end of arranging needle (31) is used for inserting in the mounting hole of the ammeter mount pad of locating ammeter case.

2. The electric energy meter of claim 1, wherein: under the state that row needle (31) are installed in corresponding wiring groove (21), arrange female (3) towards the upper surface of terminal block box (1) with the corresponding position of the lower surface of terminal block box (1) offsets.

3. The electric energy meter of claim 2, wherein: terminal button box (1) orientation have downwardly extending's fender muscle (12) on the lower surface of arranging female (3), fender muscle (12) are located arrange female (3) front side.

4. The electric energy meter of claim 3, wherein: the blocking rib (12) is U-shaped, and the rear wall surface of the blocking rib (12) is abutted to the corresponding position of the front surface of the row nut (3).

5. The electrical energy meter according to any one of claims 1 to 4, wherein: binding post (2) vertical setting, screw hole (22) that supply screw (6) to install wherein and extend around following are seted up to the front surface of binding post (2), screw hole (22) are linked together with corresponding wiring groove (21).

6. The electric energy meter of claim 5, wherein: terminal button box (1) includes lid (13) and box body (14) of arranging in proper order from preceding back, the front side of box body (14) is uncovered, lid (13) lid is established the uncovered department of the front side of box body (14), and with enclose between box body (14) and close and be formed with bar groove (11), the vertical setting in bar groove (11), lid (13) have been seted up in the position that corresponds screw hole (22) and have been dodged mouth (132).

7. The electric energy meter of claim 6, wherein: the box cover (13) is arranged on the box body (14) through a clamping structure.

8. The electric energy meter of claim 7, wherein: the joint structure is including setting up buckle (131) on lid (13), buckle (131) have two, and set up respectively lid (13) length direction's both sides, box body (14) have connecting plate (141) that extend forward on the position that corresponds buckle (131), set up on connecting plate (141) and supply to correspond buckle (131) card and establish knot hole (1411) in it.

9. The electric energy meter of claim 5, wherein: still including table lid (4) and have the open base of front side (5), table lid (4) lid is established the open mouth department of front side of base (5) and with base (5) enclose to close and are formed with accommodation space (51), terminal button box (1) is located in accommodation space (51), the vertical setting of wiring groove (21), row needle (31) local is located the below of accommodation space (51).

10. The electrical energy meter of claim 9, wherein: the watch cover (4) comprises an upper watch cover (41) and a lower end cover (42), the upper end of the lower end cover (42) is connected with the upper watch cover (41), the lower end of the lower end cover (42) is provided with an extension plate (421) extending backwards, and the front surface of the row nut (3) is partially abutted to the extension plate (421).