CN217788852U

CN217788852U - Wall-penetrating type large-current connector

Info

Publication number: CN217788852U
Application number: CN202222077342.6U
Authority: CN
Inventors: 倪金花
Original assignee: Dongguan Wanlian Electronics Co ltd
Current assignee: Dongguan Wanlian Electronics Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-11
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a wall-penetrating type heavy current connector, wall-penetrating type heavy current connector include the insulator and wear to locate in the insulator and stretch out the metal terminal outside the insulator, and this metal terminal upper end has first screw hole, insulator upper end shaping has the first spacing portion and the spacing portion of second of protrusion outside the metal terminal up end, and first screw hole both sides are arranged in to the spacing portion of this first spacing portion and second to form and be used for locking the spacing direction locking groove of copper nose. In specific use, the copper nose on the wire is placed in the metal terminal upper end, and place the direction locking groove in, realize spacing the copper nose by this direction locking groove, even when being about to tighten the screw, the screw contacts with the copper nose in order to form frictional force, can not order about this copper nose rotation skew yet to guarantee that the copper nose is steadily positioned in the direction locking inslot, the direction of locking copper nose, so that operations such as later stage installation visor.

Description

Wall-penetrating type large-current connector

The technical field is as follows:

the utility model relates to an electric connector technical field refers in particular to a wall-penetrating type heavy current connector.

Background art:

the main matching fields of the electric connector comprise traffic, communication, network, IT, medical treatment, household appliances and the like, and the development of the connector technology is strongly dragged due to the rapid development of the product technical level and the rapid growth of the market in the matching fields. To date, electrical connectors have been developed into products with various categories, various specifications, various structural styles, fine professional directions, obvious industrial characteristics, and standardized standards.

At present, the wall-through type large-current connector is used in electric power systems of high-voltage and low-voltage electrical equipment, energy storage cabinets (household storage and commercial energy storage), inverters, battery packs, test instruments and meters and the like. Particularly, current through-wall high-current connector generally includes the insulator and wears to locate in the insulator and stretch out the metal terminal outside the insulator, and this metal terminal upper end has the screw hole, and when using, the copper nose on the wire is placed on the metal terminal, and the screw passes the perforation of copper nose and goes into the screw hole with the spiral to this is fixed in the copper nose on the metal terminal, and forms the electrical property and switches on.

However, because do not have the structure spacing to the copper nose on the metal binding post, lead to when screwing up the screw almost, this screw and copper nose contact and form frictional force, when screwing up the screw again this moment, can drive the copper nose and take place to rotate the skew, and then the wire also rotates the skew along with the copper nose, causes great puzzlement to the user.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a wall-penetrating type heavy current connector.

In order to solve the technical problem, the utility model discloses a following technical scheme: this wall-penetrating type heavy current connector includes the insulator tray and wears to locate in the insulator tray and stretch out the metal terminal outside the insulator tray, and this metal terminal upper end has first screw hole, insulator tray upper end shaping has the first spacing portion and the spacing portion of second of protrusion outside the metal terminal up end, and first screw hole both sides are arranged in to the spacing portion of this first spacing portion and second to form and be used for locking the spacing direction locking groove of copper nose.

Furthermore, in the above technical solution, the first limiting portion and the second limiting portion are symmetrically formed at two sides of the first threaded hole, so that the direction locking groove has a first inlet and a second inlet which are through, and a first arc-shaped groove and a second arc-shaped groove are respectively formed at the opposite inner sides of the first limiting portion and the second limiting portion.

Furthermore, among the above-mentioned technical scheme, the insulator foot is including a main part and integrated into one piece protruding ring portion on this main part, and this protruding ring portion upper end parcel is peripheral in metal binding post upper end, and this metal binding post up end protrusion is outside this protruding ring portion up end, first spacing portion and the spacing portion integrated into one piece of second are in this protruding ring portion upper end.

Further, in the above technical solution, a plurality of reinforcing ribs are integrally formed between the upper end surface of the main body portion and the periphery of the protruding ring portion.

Furthermore, in the above technical scheme, the insulating base is integrally fixed to the periphery of the metal wiring terminal in an in-mold forming manner, wherein a groove is formed in the periphery of the metal wiring terminal, and the insulating base is partially embedded and filled in the groove.

Furthermore, among the above technical scheme, still be provided with a protective cover on the insulator foot, this protective cover covers the metal terminal upper end, and this protective cover have with the direction locking corresponds the line hole.

Furthermore, in the above technical scheme, the inner wall of the lower end of the protective cover is formed with a plurality of reverse buckles, the periphery of the insulating base is formed with clamping grooves matched with the reverse buckles, and the reverse buckles are fixed with the clamping grooves in a buckling mode.

Furthermore, in the above technical solution, the lower end of the metal binding post is further provided with a connecting piece, and the connecting piece is provided with second threaded holes penetrating through the two side faces and distributed in the horizontal direction.

Furthermore, in the above technical solution, the lower end of the metal binding post further has a connecting portion, and the connecting portion is provided with a third threaded hole in a vertical direction upward along the lower end surface of the connecting portion.

Furthermore, in the above technical scheme, the lower end of the metal binding post is further provided with a connecting portion, and a threaded section is formed on an inclined plane of the connecting portion.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: because the first screw hole both sides are arranged in to spacing portion of insulating seat upper end fashioned first spacing portion and second to form and be used for the spacing direction locking groove to the copper nose. In specific use, the copper nose on the wire is placed in the metal terminal upper end, and place in the direction locking groove, realize carrying on spacingly to the copper nose by this direction locking groove, even when being about to tighten the screw, the screw contacts with the copper nose in order to form frictional force, can not order about this copper nose rotation skew yet to guarantee that the copper nose is stably positioned in the direction locking inslot, the direction of locking copper nose, so that operations such as later stage installation visor.

Description of the drawings:

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a perspective view of the first embodiment of the present invention from another perspective;

FIG. 3 is a cross-sectional view of a first configuration of the present invention;

FIG. 4 is an assembly view of the first structure of the present invention and the protective cover;

FIG. 5 is a perspective view of the protective cover of the present invention;

FIG. 6 is a perspective view of a second configuration of the present invention;

fig. 7 is a cross-sectional view of a second construction of the invention;

FIG. 8 is a perspective view of a third embodiment of the present invention;

fig. 9 is a sectional view of a third structure of the present invention.

The specific implementation mode is as follows:

the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present embodiment, it should be noted that the terms "center", "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 which are conventionally placed when the products of the present invention are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, 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. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present embodiment, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this particular embodiment may be specifically understood by those of ordinary skill in the art.

Referring to fig. 1-9, a through-wall high-current connector includes an insulating base 1 and a metal terminal 2 penetrating through the insulating base 1 and extending out of the insulating base 1, the upper end of the metal terminal 2 has a first threaded hole 201, when in use, a copper nose on a wire is placed on the upper end of the metal terminal 2, a through hole of the copper nose corresponds to the first threaded hole 201 on the upper end of the metal terminal 2, and a screw penetrates through the through hole of the copper nose to be screwed into the first threaded hole 201, so that the copper nose is fixed on the metal terminal and forms an electrical conduction.

In order to prevent that the screw that screws up from driving the copper nose and taking place to rotate the skew, and then the wire also rotates the phenomenon of skew along with the copper nose, the utility model discloses following design has been made: the shaping of 1 upper end of insulator seat has the first spacing portion 11 and the spacing portion 12 of second of protrusion outside the 2 up end of metal terminal, and first screw hole 201 both sides are arranged in to this first spacing portion 11 and the spacing portion 12 of second to form and be used for the spacing direction locking groove 10 of copper nose. In specific use, the copper nose on the wire is placed in 2 upper ends of metal terminal in, and places in direction locking groove 10, realizes carrying on spacingly to the copper nose by this direction locking groove 10, even when being about to tighten the screw, the screw contacts with the copper nose in order to form frictional force, can not order about this copper nose rotation and squint yet to guarantee that the copper nose is stably positioned in direction locking groove 10, lock the direction of copper nose, so that operations such as later stage installation visor.

Specifically, the first and second position-limiting

portions

11 and 12 are symmetrically formed at both sides of the first threaded hole 201, and the direction locking groove 10 has the first and

second inlets

101 and 102 penetrating therethrough, so that the direction locking groove 10 has two directions to be installed, thereby satisfying different installation methods. And the relative inboard of this spacing portion 11 of first and second 12 is formed with first arc wall 111 and second arc wall 121 respectively, makes direction locking groove 10 not only can fix a position the copper nose of rectangle, can also fix a position the circular shape copper nose, and it is more convenient to use, and application scope is wider.

The specific structure of the insulating base 1 will be further described below.

Insulating seat 1 is including a main part 13 and integrated into one piece protruding ring portion 14 on this main part 13, and this protruding ring portion 14 upper end parcel is peripheral in metal terminal 2 upper end, and this metal terminal 2 up end protrusion is outside this protruding ring portion 14 up end to copper nose assembly makes copper nose and 2 up end formation of metal terminal form stable contact. The first limiting part 11 and the second limiting part 12 are integrally formed at the upper end of the convex ring part 14.

Specifically, the insulating base 1 is integrally fixed on the periphery of the metal binding post 2 in an in-mold forming mode, so that the assembling structure of the insulating base 1 and the metal binding post 2 is more stable. The groove 21 is formed in the periphery of the metal binding post 2, and the insulating base 1 is partially embedded and filled in the groove 21, so that the stability of the assembling structure of the insulating base 1 and the metal binding post 2 can be further enhanced, and the insulating base 1 and the metal binding post 2 can be effectively prevented from being separated from each other.

In order to enhance the structural strength of the insulating base 1, the following design is also made: a plurality of reinforcing ribs 131 are integrally formed between the upper end face of the main body part 13 and the periphery of the convex ring part 14, the main body part 13 and the convex ring part 14 are tensioned through the reinforcing ribs 131, the structural strength is improved, accidental cracking between the main body part 13 and the convex ring part 14 is avoided, and the service life of a product is prolonged.

In order to improve the safety of the product, in this embodiment, a protection cover 3 is further disposed on the insulation base 1, the protection cover 3 covers the upper end of the metal terminal 2, and the protection cover 3 has a wire hole 31 corresponding to the direction locking groove 10. After the copper nose is locked on the upper end of the metal binding post 2, the protective cover 3 is mounted, the copper nose and the metal binding post are covered by the protective cover 3, so that the metal is not exposed, the use safety performance is improved, and a lead connected with the copper nose penetrates through a wire hole 31 of the protective cover 3 and extends out of the protective cover 3. Because direction locking groove 10 can realize spacing the direction in order to lock the copper nose to this line hole 31 can direct accurate cover locate the wire outside, it is more convenient to assemble, and need not adjust the direction of copper nose.

The inner wall of the lower end of the protective cover 3 is formed with a plurality of reverse buckles 32, the periphery of the insulating base 1 is formed with a clamping groove 15 matched with the reverse buckles 32, the reverse buckles 32 are fixed with the clamping groove 15 in a buckling mode, the assembling structure is very simple and convenient, and the disassembly and the assembly are convenient.

The metal terminal 2 has the following three different structures:

the first structure is as follows: as shown in fig. 1 to 3, the lower end of the metal terminal 2 further has a connecting piece 22, and the connecting piece 22 has a second threaded hole 221 penetrating through both side surfaces and distributed in the horizontal direction. When the connector is used, the copper nose of the second wire is attached to the side surface of the connecting piece 22, and then the copper nose is fixed to the side surface of the connecting piece 22 through the screw passing through the through hole of the copper nose and screwing into the second threaded hole 221 to form electrical connection.

The second structure is as follows: as shown in fig. 6 to 7, the lower end of the metal terminal 2 further has a connecting portion 23, and the connecting portion 23 is provided with a third threaded hole 231 in a vertical direction upward along the lower end surface thereof. When in use, the copper lug of the second wire is attached to the lower end surface of the connecting portion 23, and then the second wire is screwed into the third threaded hole 231 through the through hole of the copper lug by a screw, so that the copper lug is fixed to the lower end surface of the connecting portion 23 and forms an electrical connection.

The third structure is: as shown in fig. 8-9, the lower end of the metal terminal 2 further has a connecting portion 23, and a threaded section 232 is further formed on the inclined surface of the connecting portion 23. When the connector is used, the copper lug of the second wire is sleeved on the periphery of the threaded section 232 and then screwed on the periphery of the threaded section 232 through the nut, so that the copper lug is fixed on the threaded section 232 and forms electrical connection.

Any one of the metal binding post 2 structures can be selectively used to meet different use requirements.

In summary, the first and second position-limiting

parts

11 and 12 formed at the upper end of the insulator 1 are disposed at both sides of the first threaded hole 201, and a direction-locking groove 10 for limiting the copper nose is formed. In specific use, the copper nose on the wire is placed in 2 upper ends of metal terminal in, and place direction locking groove 10 in, realize carrying on spacingly to the copper nose by this direction locking groove 10, even when being about to tighten the screw, the screw contacts with the copper nose in order to form frictional force, can not order about this copper nose rotation and squint yet to guarantee that the copper nose is stably positioned in direction locking groove 10, lock the direction of copper nose, so that operations such as later stage installation visor.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. Wall-penetrating type high-current connector comprises an insulating base (1) and a metal wiring terminal (2) which is arranged in the insulating base (1) in a penetrating manner and extends out of the insulating base (1), wherein the upper end of the metal wiring terminal (2) is provided with a first threaded hole (201), and the wall-penetrating type high-current connector is characterized in that:

insulating seat (1) upper end shaping has first spacing portion (11) and the spacing portion of second (12) of protrusion outside metal binding post (2) up end, and first screw hole (201) both sides are arranged in to this spacing portion of first (11) and second (12) to form and be used for locking groove (10) to the spacing direction of copper nose.

2. A through-wall high current connector according to claim 1, wherein: the first limiting part (11) and the second limiting part (12) are symmetrically formed on two sides of the first threaded hole (201), so that the direction locking groove (10) is provided with a first inlet (101) and a second inlet (102) which are communicated with each other, and a first arc-shaped groove (111) and a second arc-shaped groove (121) are formed on the opposite inner sides of the first limiting part (11) and the second limiting part (12) respectively.

3. A through-wall high current connector according to claim 2, wherein: insulating seat (1) is including a main part (13) and integrated into one piece protruding ring portion (14) on this main part (13), and this protruding ring portion (14) upper end parcel is peripheral in metal terminal (2) upper end, and this metal terminal (2) up end protrusion is outside in this protruding ring portion (14) up end, first spacing portion (11) and spacing portion of second (12) integrated into one piece are in this protruding ring portion (14) upper end.

4. A through-wall high current connector according to claim 3, wherein: a plurality of reinforcing ribs (131) are integrally formed between the upper end surface of the main body part (13) and the periphery of the convex ring part (14).

5. A through-wall high current connector according to claim 3, wherein: the insulating base (1) is integrally fixed on the periphery of the metal binding post (2) in an in-mold forming mode, wherein a groove (21) is formed in the periphery of the metal binding post (2), and the insulating base (1) is partially embedded and filled in the groove (21).

6. A through-wall high-current connector according to any one of claims 1-5, wherein: the insulation seat (1) is further provided with a protective cover (3), the upper end of the metal binding post (2) is covered by the protective cover (3), and the protective cover (3) is provided with a wire hole (31) corresponding to the direction locking groove (10).

7. A through-wall high current connector according to claim 6, wherein: a plurality of reverse buckles (32) are formed on the inner wall of the lower end of the protective cover (3), clamping grooves (15) matched with the reverse buckles (32) are formed on the periphery of the insulating base (1), and the reverse buckles (32) are fixed with the clamping grooves (15) in a buckling mode.

8. A through-wall high current connector according to claim 6, wherein: the lower end of the metal binding post (2) is also provided with a connecting sheet (22), and the connecting sheet (22) is provided with second threaded holes (221) which penetrate through two side surfaces and are distributed in the horizontal direction.

9. A through-wall high current connector according to claim 6, wherein: the lower end of the metal binding post (2) is also provided with a connecting part (23), and the connecting part (23) is provided with a third threaded hole (231) in the vertical direction along the upper end surface of the lower end surface.

10. A through-wall high current connector according to claim 6, wherein: the lower end of the metal binding post (2) is also provided with a connecting part (23), and a thread section (232) is formed on the inclined plane of the connecting part (23).