CN219246998U

CN219246998U - Connector with protective structure

Info

Publication number: CN219246998U
Application number: CN202223410493.5U
Authority: CN
Inventors: 丁高松; 陈铭; 冉从平; 朱攀
Original assignee: Ningbo Gaosong Electric Connection Technology Co ltd
Current assignee: Ningbo Gaosong Electric Connection Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-23
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to a connector with a protective structure, which comprises a shell, a conductor, a waterproof sealing piece, a protective cover and a conductive adapter piece, wherein the shell is provided with a through hole which penetrates through the shell, a first end of the conductor is positioned at a first side of the through hole, and a second end of the conductor penetrates through the through hole and is positioned at a second side of the through hole; the waterproof sealing piece is sleeved on the shell and is positioned on the same side as the first end of the conductor; the protective cover is fastened and matched with the shell in a sealing way, a sealing space is formed, and a waterproof structure is formed on the protective cover; the first end of the conductive adapter is electrically connected with the second end of the conductor, and the second end of the conductive adapter is positioned in the waterproof structure of the protective cover. Through the waterproof sealing piece of cover setting up in the extension outside of casing, the assembly between casing and the protective cover and all adopt the interference mode assembly between the waterproof structure of second end and the protective cover of electrically conductive adaptor to waterproof from three region has strengthened the waterproof protection effect of connector.

Description

Connector with protective structure

Technical Field

The present utility model relates to the field of connectors, and more particularly, to a connector with a protection structure.

Background

Via terminals are a common type of connector on the market. The existing via terminal has no or weak protection function, and conductive liquid easily enters into the box body of the electrical box through a gap on the via terminal structure, and even the conductive liquid directly contacts with the via terminal in a charged state, so that the defect of the protection function is caused. Therefore, how to enhance the protection function of the via terminal in terms of water resistance becomes a technical problem to be solved at present.

Disclosure of Invention

The present utility model provides a connector with a protection structure according to the above prior art.

The technical scheme adopted for solving the technical problems is as follows: a connector having a protective structure, comprising:

a housing formed with a through hole therethrough;

a conductive body having a first end located on a first side of the via hole and a second end located on a second side of the via hole through the via hole;

the waterproof sealing piece is sleeved on the shell and is positioned on the same side as the first end of the conductor;

the protective cover is fastened and matched with the shell in a sealing way, a sealing space is formed, and a waterproof structure is formed on the protective cover;

the first end of the conductive adapter is positioned in the sealing space and is electrically connected with the second end of the conductor, and the second end of the conductive adapter is positioned in the waterproof structure of the protective cover; the second end of the conductive adapter is matched with the connected lead to be electrically connected.

In the connector with the protection structure, the waterproof structure is provided with a cavity with two open ends, the first end of the cavity is communicated with the sealing space, and the second end of the cavity is provided with a wiring port for the wire to be connected.

In the connector with the protection structure, an extension part which is formed by extending along the radial direction of the through hole is formed on the first side of the shell, the first side of the through hole is formed on the extension part, and the waterproof sealing piece is sleeved on the extension part.

Further, in the connector with the protection structure, the protection cover is in interference fit with the housing.

In the connector with the protective structure, a positioning piece for presetting the assembly angle of the shell and the protective cover is formed on the shell.

In the connector with the protection structure, a threaded section is arranged on the conductor and between the first end and the second end of the conductor, and an inner thread which is tightly matched with the threaded section is formed on the inner wall of the through hole.

Further, in the connector with the protection structure, the second end of the electric conductor is formed with an external thread, the first end of the conductive adapter is formed with an opening through which the second end of the electric conductor passes, and the second end of the electric conductor passes through the opening and then is in fastening fit with a nut.

In the connector with the protective structure, a screw hole through which a screw passes is formed on the outer side of the housing.

In the connector with the protective structure, a second end of the conductive adapter is formed with a wire fastening hole into which one end of the wire is inserted.

In the connector with the protection structure, the second end of the conductive adapter is in interference fit with the cavity.

Compared with the prior art, the utility model has the advantages that: in the connector, the waterproof sealing piece is sleeved on the outer side of the extending part of the shell, the assembly between the shell and the protective cover and the assembly between the second end of the conductive adapter piece and the waterproof structure of the protective cover are all assembled in an interference mode, so that the waterproof is carried out from three areas, the waterproof protection effect of the connector is enhanced, and the risk that external conductive liquid enters the connector through the gap of the connector is avoided.

Drawings

Fig. 1 is a schematic view of a connector with a protection structure according to an embodiment of the utility model;

FIG. 2 is an exploded view of the connector of FIG. 1;

FIG. 3 is a schematic diagram of an electrical conductor;

FIG. 4 is a schematic diagram of a conductive adaptor;

FIG. 5 is a schematic structural view of a connector housing;

fig. 6 is a cross-sectional view of the connector of fig. 1 with wires attached;

FIG. 7 is an enlarged schematic view of portion A in FIG. 6;

FIG. 8 is an enlarged schematic view of portion B of FIG. 6;

FIG. 9 is an enlarged schematic view of portion C of FIG. 6;

fig. 10 is a sectional view showing a state in which the connector shown in fig. 1 is fixed to the outer housing.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The embodiment provides a connector with a protection structure. Referring to fig. 1 to 6, the connector with a protective structure of this embodiment includes a housing 1, an electrical conductor 2, a waterproof seal 3, a protective cover 4, and a conductive adapter 5, the housing 1 and the protective cover 4 being fastened and sealed in an interference fit and forming a sealed space E. Wherein:

the casing 1 is formed with a through hole 10 penetrating through, an internal thread is formed on the inner wall of the through hole 10, an extension 11 extending along the radial direction of the through hole 10 is formed on the first side of the casing 1, the first side of the through hole 10 is formed on the extension 11, a positioning piece 12 for presetting the assembly angle of the casing 1 and the protective cover 4 and a screw hole 13 for passing a screw 8 are also formed on the outer side of the casing 1, the assembly angle can be adjusted and set according to the actual assembly requirement, the screw 8 can pass through the screw hole 13 to fix the whole casing 1 on the box body 9 of the electrical box, the waterproof sealing piece 3 is sleeved on the extension 11, for example, an annular groove is formed on the outer wall of the extension 11, the waterproof sealing piece 3 is embedded into the annular groove, the waterproof sealing piece 3 is positioned on the same side with the first end 2a of the electrical conductor 2, and the waterproof sealing piece 3 is a waterproof sealing ring; wherein the waterproof sealing member 3 is arranged on the housing 1 in a manner as shown in fig. 7;

referring to fig. 3, the first end 2a of the conductive body 2 is located at the first side of the through hole 10, the second end 2b of the conductive body 2 is formed with an external thread 21, a thread section 2c is located on the conductive body 2 between the first end 2a and the second end 2b of the conductive body 2, the second end 2b of the conductive body 2 passes through the through hole 10 and is located at the second side of the through hole 10, referring to fig. 8, the thread section 2c is tightly engaged with the internal thread on the inner wall of the through hole 10, so that the conductive body 2 can be stably fixed in the through hole of the housing 1 by the threaded engagement between the through hole 10 and the thread section 2 c;

referring to fig. 2 and 6, a waterproof structure 41 is formed on the protective cover 4, the waterproof structure 41 has a cavity 410 with two open ends, a first end of the cavity 410 is communicated with a sealed space E, and a second end of the cavity 410 forms a connection port 411 for connecting the wire 6; it should be noted that, the waterproof cover 4 is made of a flexible material, for example, the flexible material is silica gel, so after the conductive adaptor 5 is assembled in the inner space of the protective cover 4, the flexible protective cover 4 can be turned out to expose the conductive adaptor 5, so that after the conductive adaptor 5 is assembled with the conductive body 2, the protective cover 4 in the turned-out state is restored to a normal state, and the protective cover 4 is tightly and hermetically matched with the housing 1 in an interference manner, so as to achieve the waterproof effect.

Referring to fig. 4, a first end 5a of the conductive adaptor 5 is located in the sealed space E and is formed with an opening 50 through which a second end 2b of the conductive body 2 passes, and a second end 5b of the conductive adaptor 5 is formed with a wire fastening hole 51 into which one end of the wire 6 is inserted, so as to electrically connect the second end 5b of the conductive adaptor 5 with the wire 6; the second end 2b of the electric conductor 2 passes through the opening 50 and is electrically connected to the first end 5a of the conductive adaptor 5, and the second end 2b of the electric conductor 2 passes through the opening 50 and is further in fastening fit with a nut 7, the second end 5b of the conductive adaptor 5 is located in the waterproof structure 41 of the protective cover 4, and as shown in fig. 9, an interference fit is formed between the second end 5b of the conductive adaptor 5 and the cavity 410 of the waterproof structure 41. The second end of the conductor, the first end of the conductive adapter and the additionally arranged nut are arranged in this way, so that the stability of electrical connection between the second end of the conductor and the first end of the conductive adapter can be ensured.

In the connector of the embodiment, the waterproof sealing piece is sleeved on the outer side of the extending part of the shell, the assembly between the shell and the protective cover and the assembly between the second end of the conductive adapter piece and the waterproof structure of the protective cover are all assembled in an interference mode, so that the waterproof effect of the connector is enhanced, and the risk that external conductive liquid enters the connector through the gap of the connector is avoided.

In addition, the positioning piece 12 is arranged on the outer side of the shell 1, so that the positioning piece 12 is utilized to pre-position the assembly angle of the shell 1 and the protective cover 4 in the assembly process of the shell 1 and the protective cover 4, and the certainty of the assembly angle of the shell and the protective cover is ensured.

While the preferred embodiments of the present utility model have been described in detail, it is to be clearly understood that the same may be varied in many ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A connector having a protective structure, comprising:

a housing (1) having a through hole (10) formed therethrough;

a conductive body (2) having a first end (2 a) located on a first side of the through hole (10), and a second end (2 b) of the conductive body (2) passing through the through hole (10) and located on a second side of the through hole (10);

the waterproof sealing piece (3) is sleeved on the shell (1) and is positioned on the same side as the first end (2 a) of the conductor (2);

a protective cover (4) which is tightly and hermetically matched with the shell (1) and forms a sealed space (E), wherein a waterproof structure (41) is formed on the protective cover (4);

the first end (5 a) of the conductive adapter (5) is positioned in the sealing space (E) and is electrically connected with the second end (2 b) of the electric conductor (2), and the second end (5 b) of the conductive adapter (5) is positioned in the waterproof structure (41) of the protective cover (4); the second end (5 b) of the conductive adapter (5) is matched with the connected lead (6) to be electrically connected.

2. The connector with protective structure according to claim 1, wherein the waterproof structure (41) has a cavity (410) with two open ends, a first end of the cavity (410) communicates with the sealed space (E), and a second end of the cavity (410) forms a connection port (411) for the wire (6) to be connected.

3. The connector with the protective structure according to claim 1, characterized in that an extension (11) extending in the radial direction of the through hole (10) is formed on the first side of the housing (1), the first side of the through hole (10) is formed on the extension (11), and the waterproof sealing member (3) is sleeved on the extension (11).

4. A connector with a protective structure according to claim 3, characterized in that the protective cover (4) is in an interference fit with the housing (1).

5. Connector with protective structure according to any of claims 1-4, characterized in that the housing (1) is formed with a positioning element (12) for pre-positioning the assembly angle of the housing (1) and the protective cover (4).

6. The connector with protective structure according to any one of claims 1 to 4, characterized in that a threaded section (2 c) is provided on the electrical conductor (2) between the first end (2 a) and the second end (2 b) of the electrical conductor (2), and that an internal thread is formed on the inner wall of the through hole (10) in a tight fit with the threaded section (2 c).

7. The connector with the protective structure according to claim 6, wherein the second end (2 b) of the electrical conductor (2) is formed with an external thread (21), the first end (5 a) of the conductive adapter (5) is formed with an opening (50) through which the second end (2 b) of the electrical conductor (2) passes, and the second end (2 b) of the electrical conductor (2) passes through the opening (50) and then is in fastening engagement with a nut (7).

8. The connector with a protective structure according to any one of claims 1 to 4, wherein a screw hole (13) through which a screw (8) passes is formed on the outside of the housing (1).

9. The connector with a protective structure according to any one of claims 1 to 4, wherein the second end (5 b) of the conductive adapter (5) is formed with a wire fastening hole (51) into which one end of the wire (6) is inserted.

10. The connector with protective structure according to claim 2, characterized in that the second end (5 b) of the conductive adapter (5) is an interference fit with the cavity (410).