Via hole large-current connector for energy storage

Abstract

The utility model relates to the technical field of electric connectors, in particular to a via hole large-current connector for energy storage, which comprises a socket main body, the socket main body is provided with an accommodating cylinder for inserting a wiring terminal, and a buckle matched with a limiting groove on the surface of the wiring terminal is arranged in the accommodating cylinder so as to fit and limit the wiring terminal; a sealing ring is embedded in the wiring terminal through the hoop groove, and the sealing ring seals the wiring terminal and the socket main body. According to the utility model, the sealing gasket, the sealing ring and the buckle are arranged, so that the terminals are matched and assembled after being sealed. Wherein the wiring terminal is detachably connected with the socket main body, the assembly is more convenient, when the inner core (the wiring terminal or the matching terminal) goes wrong, the inner core can be detached and replaced, and the sealing gasket and the sealing ring realize a sealing protection effect on the terminal, so that the sealing stability of the connector is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connectors, and particularly relates to a large-current through-hole connector for energy storage. Background Technique

[0002] The main supporting fields of electrical connectors include transportation, communication, network, IT, medical treatment, household appliances, etc. The rapid development of the technical level of products in the supporting fields and the rapid growth of their markets drive the development of connector technology. At present, the wall-through large-current connector is used in power electronic systems such as high- and low-voltage power equipment, energy storage cabinets (household energy storage, commercial energy storage), inverters, battery packs, test instruments and meters, etc. It is used to pass through and be fixed on the end face of the internal board body of the equipment to connect and disconnect the circuits located on both sides of the end face respectively. If the areas on both sides of the end face are divided into a dry area and a wet area, the connector should have a sealing function.

[0003] The large-current through-hole connector generally includes an insulating seat and a metal terminal post installed through the insulating seat. The upper end of the metal terminal post has a threaded hole. When in use, the copper nose on the wire is placed on the metal terminal post, and the screw passes through the perforation of the copper nose and is screwed into the threaded hole to fix the copper nose on the metal terminal post and form an electrical conduction.

[0004] However, in the prior art, most connectors are made by insert injection molding process. The internal metal terminal and the plastic insulating seat are injection molded into one body and are not detachable. When the temperature changes, due to the thermal expansion and contraction effect, the shrinkage rates of the metal part and the plastic part are different, which easily causes a gap between the two and the sealing is unstable.

[0005] Based on the problems in the prior art, the utility model provides a large-current through-hole connector for energy storage. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a large-current through-hole connector for energy storage to solve the technical problem that the sealing of the integral connector formed by insert injection molding process is unstable due to the thermal expansion and contraction effect in the prior art.

[0007] The technical solution of the utility model is: a large-current through-hole connector for energy storage, including a socket body. The socket body has a receiving cylinder for inserting a terminal. A buckle is arranged in the receiving cylinder and is matched with the limiting groove on the surface of the terminal to limit the terminal in a fitting manner. The terminal is embedded with a sealing ring through a hoop groove, and the sealing ring seals the terminal and the socket body.

[0008] Preferably, a seat plate is arranged around the receiving cylinder. The receiving cylinder vertically penetrates the seat plate and extends to the outside. A protective cover is connected to the receiving cylinder on the top of the seat plate. A sealing gasket is in profile matching with the bottom end face of the seat plate, and the receiving cylinder penetrates the sealing gasket.

[0009] Preferably, the buckle includes a set of oppositely arranged flanges, and elastic arms that extend suspended from the ends of the flanges towards the tail of the accommodating cylinder. The two elastic arms are oppositely arranged and converge towards each other during the extension process, presenting an inverted V shape.

[0010] A space for the elastic arms to move is provided between the inner wall of the accommodating cylinder at the bottom of the flange and the limiting groove, and the top of the limiting groove of the wiring terminal is lapped on the two flanges on both sides.

[0011] Preferably, the protective cover is integrally arranged in a semi-enclosed cylindrical shell shape, including an upper cover and side plates connected to both sides of the upper cover. A set of bottom plates are oppositely arranged on the side plates, and an opening gap reserved between the two bottom plates is used to accommodate the accommodating cylinder. The side plates are vertically abutted in the annular groove of the accommodating cylinder.

[0012] Preferably, an opening is provided at the upper end portion of the wiring terminal, and an internal thread section is provided on the inner wall of the opening for connecting a mating terminal.

[0013] Compared with the prior art, the advantages of the present utility model are as follows:

[0014] In this application, through the arrangement of the sealing gasket, sealing ring and buckle, after the terminal is sealed, the mating assembly is carried out. Among them, the wiring terminal is detachably connected to the socket body, and the assembly is more convenient. When problems occur in the inner core (wiring terminal or mating terminal), it can be disassembled and replaced, and the sealing gasket and sealing ring play a role in sealing and protecting the terminal, maintaining the sealing stability of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0016] Figure 1 is an exploded view of the through-hole high-current connector described in the present utility model;

[0017] Figure 2 is a cross-sectional view of the through-hole high-current connector described in the present utility model;

[0018] Figure 3 is a three-dimensional view of the socket body described in the present utility model;

[0019] Figure 4 is a cross-sectional view of the socket body described in the present utility model;

[0020] Figure 5 is a three-dimensional view of the bottom end face of the socket body described in the present utility model;

[0021] Figure 6 is a three-dimensional view of the protective cover of the present utility model;

[0022] Wherein: 1. Socket body; 2. Wiring terminal; 3. Sealing ring; 4. Protective cover; 5. Sealing gasket;

[0023] 10. Annular groove; 11. Accommodating cylinder; 12. Buckle; 13. Seat plate;

[0024] 21. Limit groove; 22. Hoop groove; 23. Internal thread section; 41. Upper cover; 42. Side plate; 43. Bottom plate; 121. Flange; 122. Elastic arm. Detailed implementation mode

[0025] The following combines specific embodiments to further elaborate on the content of the present utility model:

[0026] As Figure 1 shown, a large current through-hole connector for energy storage includes a socket body 1 and a wiring terminal 2. Combining with the attached Figure 3 shown, the socket body 1 includes a seat plate 13. There is an accommodating cylinder 11 in the middle of the seat plate 13. The accommodating cylinder 11 penetrates through the seat plate 13 and protrudes outward from both ends of the seat plate 13. The inside of the seat plate 13 is hollow for installation.

[0027] Referring to the attached Figure 2 , the wiring terminal 2 is inserted into the accommodating cylinder 11. A cavity is dug inside the top part of the wiring terminal 2, and an internal thread section 23 is provided to fixedly connect with the mating terminal.

[0028] A hoop groove 22 is provided on the wiring terminal 2 to fixedly install and fix the sealing ring 3. When the sealing ring 3 is assembled in the accommodating cylinder 11, it abuts and fits against the inner wall of the accommodating cylinder 11, providing radial sealing protection for the wiring terminal and improving the assembly sealing performance of the wiring terminal 2.

[0029] Referring to the attached Figure 1 Combining with the attached Figure 2 shown, a sealing gasket 5 is provided on the bottom end face of the seat plate 13. The accommodating cylinder 11 penetrates through the sealing gasket 5. The sealing gasket 5 is in imitation fit with the bottom end face of the seat plate 13, thereby protecting the bottom end face of the seat plate 13 and improving the sealing performance.

[0030] Specifically, referring to the attached Figure 4 and combining with the attached Figure 5 shown, a pair of buckles 12 are provided in the accommodating cylinder 11 for limiting the tail of the wiring terminal 2. Combining with the attached Figure 2 shown, a pair of limit grooves 21 are provided at the tail of the wiring terminal 2, and the free ends of the buckles 12 are placed in the limit grooves 21.

[0031] Specifically, the buckle 12 includes a set of oppositely arranged flanges 121, and elastic arms 122 that extend suspended from the ends of the flanges 121 towards the tail of the accommodating cylinder 11. The elastic arms 122 on both sides are oppositely arranged and converge towards each other during the extension process, presenting an inverted V shape. Therefore, at the bottom of the flange 121, a space for the elastic arms 122 to move is formed between the inner wall of the accommodating cylinder 11 and the limiting groove 21, and the top of the limiting groove 21 of the wiring terminal 2 is lapped on the flanges 121 on both sides.

[0032] A protective cover 4 is installed on one side of the top of the wiring terminal 2. During specific use, the seat plate 13 of the socket body 1 is fixed on the end face of the energy storage device. One end of the internal thread section 23 of the wiring terminal 2 is matched and connected to the mating terminal, and the protective cover 4 is buckled and covered to cover and protect the wiring terminal 2 and the mating terminal, preventing electric shock and improving safety.

[0033] Refer to the appendix Figure 6 , the protective cover 4 is integrally in the shape of a semi-enclosed cylindrical shell, including an upper cover 41 and side plates 42 connected to both sides of the upper cover 41. A set of bottom plates 43 are oppositely arranged on the side plates 42, and an opening gap reserved between the two bottom plates 43 is used to accommodate the accommodating cylinder 11. The side plates 42 are vertically abutted in the annular groove 10 of the accommodating cylinder 11. The annular groove 10 refers to the appendix Figure 3 and the appendix Figure 4 shown in.

[0034] In summary, compared with the prior art, in this application, by setting the sealing gasket 5, the sealing ring 3 and the buckle 12, after the terminals are sealed, they are assembled in a mating manner. Among them, the wiring terminal 2 is detachably connected to the socket body 1, and the assembly is more convenient. When problems occur in the inner core (wiring terminal 2 or mating terminal), it can be disassembled and replaced, and the sealing gasket 5 and the sealing ring 3 play a role in sealing and protecting the terminals, maintaining the sealing stability of the connector.

[0035] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention.

Claims

1. A high current via connector for energy storage, characterized in that: The socket body comprises a socket body having a receiving tube for inserting a connecting terminal, wherein a buckle is arranged in the receiving tube and matches with a limiting groove on the surface of the connecting terminal to fit and limit the connecting terminal; The connection terminal is embedded with a sealing ring through a hoop groove, and the sealing ring seals the connection terminal and the socket body.

2. A through-hole high current connector for energy storage according to claim 1, characterized in that: A seat plate is arranged around the accommodating tube, the accommodating tube vertically penetrates the seat plate and extends outward, a protective cover is connected to the accommodating tube at the top of the seat plate, a sealing gasket is conformally matched on the bottom end surface of the seat plate, and the accommodating tube penetrates the sealing gasket.

3. A high current via connector for energy storage according to claim 2, characterized in that: The buckle comprises a set of flanges arranged opposite to each other, and elastic arms extending from the ends of the flanges toward the tail of the accommodating tube in the air, wherein the elastic arms on both sides are arranged opposite to each other and gather toward each other during the extension process, forming an inverted figure eight shape; A space for the elastic arm to move is provided between the inner wall of the accommodating tube at the bottom of the flange and the limiting groove, and the top of the limiting groove of the connecting terminal overlaps the flanges on both sides.

4. A high current via connector for energy storage according to claim 2, characterized in that: The protective cover is overall arranged in a cylindrical shell shape with a semi-enclosed structure, including an upper cover and side panels connected to both sides of the upper cover, a group of bottom plates are arranged opposite to the side panels, an open gap reserved between the two bottom plates is used to accommodate the accommodating tube, and the side panels are vertically abutted in the annular groove of the accommodating tube.

5. The high current via connector for energy storage according to claim 1, characterized in that: The upper end portion of the wiring terminal is provided with an opening, and the inner wall of the opening is provided with an internal thread section for connecting to a mating terminal.

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