CN219998573U

CN219998573U - Waterproof connector for wire harness

Info

Publication number: CN219998573U
Application number: CN202223421983.5U
Authority: CN
Inventors: 谢承志; 滕芳
Original assignee: Dongguan Synconn Precision Industry Co ltd
Current assignee: Dongguan Synconn Precision Industry Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-11-10
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of connectors, in particular to a waterproof connector for a wire harness, which comprises an outer shell, an inner shell, an electric connection element and a connecting wire, wherein the outer shell comprises an inserting cavity and a fixing cavity, and the inserting cavity is communicated with the fixing cavity; the inner shell comprises a fixed seat fixed in the fixed cavity and a plug-in end extending towards the plug-in cavity, the fixed seat is provided with a sealing connecting piece, the sealing connecting piece is used for sealing between the fixed seat and the fixed cavity, the plug-in end is provided with a sealing outer ring, a wiring cavity and a mounting cavity are arranged in the inner shell, and the wiring cavity and the mounting cavity are mutually communicated; the electric connection element is arranged in the mounting cavity; the outside of wiring chamber is equipped with the fixation clamp cover, and the fixation clamp cover is equipped with the sealing member, and the fixation clamp cover is fixed the sealing member in the wiring chamber. The utility model solves the problem of poor waterproof sealing effect of the existing wire harness connector, and has the advantages of convenient assembly of the whole structure and good waterproof and dustproof effects.

Description

Waterproof connector for wire harness

Technical Field

The utility model relates to the technical field of connectors, in particular to a waterproof connector for a wire harness.

Background

Connectors are a component that electronic engineering technicians often contact. The function is as follows: and a bridge for communication is erected between the blocked or isolated circuits in the circuit, so that current flows, and the circuit achieves a preset function. Connectors are an indispensable component in electronic devices, and you always find one or more connectors when looking along the path of current flow. The connector forms and structures are varied, and there are various types of connectors according to the application objects, frequencies, power, application environments, and the like.

The prior connector is used in some environments, and a sealing structure is required to be arranged, and is used for sealing, dustproof, waterproof and the like of the connector, so that the connector is protected, and meanwhile, the durability of the structure is guaranteed. The existing connector sealing structure is generally used for structural sealing by arranging a sealing ring, but the problem of insufficient sealing performance is easy to occur in use, and particularly in the use of a connector at a wire end, the sealing structure needs to be improved.

Disclosure of Invention

In order to solve the problems, the utility model provides the sealing connecting piece and the sealing outer ring which are arranged in the sealing connecting piece, wherein the sealing connecting piece is used for sealing an internal structure, and the sealing outer ring is used for sealing the connector when the connector is inserted and used, so that the sealing of the multiple structures is realized, the sealing coefficient of the structure is high, and the waterproof and dustproof effects are good. The problem of current pencil connector waterproof sealing effect not good is solved, overall structure equipment is convenient, waterproof dustproof effectual pencil waterproof connector.

The technical scheme adopted by the utility model is as follows: the waterproof wire harness connector comprises an outer shell, an inner shell, an electric connection element and a connecting wire, wherein the outer shell comprises an inserting cavity and a fixing cavity, and the inserting cavity is communicated with the fixing cavity; the inner shell comprises a fixed seat fixed in the fixed cavity and a plugging end extending towards the plugging cavity, the fixed seat is provided with a sealing connecting piece, the sealing connecting piece is used for sealing between the fixed seat and the fixed cavity, the plugging end is provided with a sealing outer ring, a wiring cavity and a mounting cavity are arranged in the inner shell, and the wiring cavity and the mounting cavity are mutually communicated; the electric connection element is arranged in the mounting cavity; the outside of wiring chamber is equipped with the fixation clamp cover, the fixation clamp cover is equipped with the sealing member, the fixation clamp cover is fixed the sealing member in the wiring intracavity, the one end and the electric component that connect of connecting wire are connected.

The improvement of the scheme is that the outer shell is provided with a plug-in fixing groove, a plug-in card is arranged on the plug-in fixing groove, a plug-in positioning hole is formed in the plug-in card, one end of the plug-in positioning hole is communicated to the plug-in cavity, and one end of the plug-in card is provided with a pressing part.

The technical scheme is further improved in that the plug-in cavity is provided with a plug-in guide groove and a plug-in positioning groove, and one end of the plug-in positioning groove is communicated with the plug-in positioning hole.

According to the technical scheme, the plug-in buckle part is arranged on one surface of the outer shell, which is away from the plug-in fixing groove, the plug-in buckle groove is formed in the plug-in buckle part, and the connecting plug-in buckle is arranged on one side of the plug-in buckle groove.

The fixed cavity is internally provided with a first fixed step and a second fixed step, the fixed seat is provided with a first fixed part and a second fixed part, the first fixed part is used for being matched with the first fixed step, and the second fixed part is used for being matched with the second fixed step.

The sealing connecting piece comprises a first sealing ring sleeved on the outer ring of the first fixing part, and a plurality of first sealing outer lips are arranged on the first sealing ring.

The sealing connecting piece comprises a second sealing ring sleeved on the second fixing part, a plurality of second sealing outer lips are arranged on the second sealing ring, and a plurality of third sealing outer lips are arranged on the outer portion of the sealing outer ring.

A further development of the above-described solution provides that the fixing base is provided with a fixing plug for fixing the electrical connection element to the inner housing.

The electric connection element comprises a fixed sleeve arranged in the inner shell, an insulator arranged in the fixed sleeve and an electric connection terminal inserted in the insulator, wherein the fixed sleeve is provided with a plurality of limiting rings, and the limiting rings are used for fixing and limiting the fixed sleeve in the inner shell.

The further improvement to above-mentioned scheme is, the both sides of fixation clamp cover are equipped with the connection draw-in groove, the external diameter in wiring chamber is equipped with the connection buckle, the connection draw-in groove is used for the card to go into on the connection buckle, the internal diameter of sealing member is equipped with a plurality of sealed inner lips, sealed inner lip is used for the external diameter of cooperation connecting wire, and is sealed.

The beneficial effects of the utility model are as follows:

compared with the existing wire harness connector, the wire harness connector adopts the structural design of the outer shell and the inner shell, is more convenient in structural assembly, is better in stability during plugging and using, is easier to fix in structure, is higher in assembly efficiency, is suitable for mass production, and is internally provided with the sealing connecting piece and the sealing outer ring, wherein the sealing connecting piece is used for sealing an inner structure, and the sealing outer ring is used for sealing the connector during plugging and using, so that sealing is realized on multiple structures, and the wire harness connector is high in structural sealing coefficient and good in waterproof and dustproof effects. The problem of current pencil connector waterproof sealing effect not good is solved, overall structure equipment is convenient, waterproof dustproof effect is good. The electric connector comprises an outer shell, an inner shell, an electric connection element and a connecting wire, wherein the outer shell comprises an inserting cavity and a fixing cavity, and the inserting cavity is communicated with the fixing cavity; the inner shell comprises a fixed seat fixed in the fixed cavity and a plugging end extending towards the plugging cavity, the fixed seat is provided with a sealing connecting piece, the sealing connecting piece is used for sealing between the fixed seat and the fixed cavity, the plugging end is provided with a sealing outer ring, a wiring cavity and a mounting cavity are arranged in the inner shell, and the wiring cavity and the mounting cavity are mutually communicated; the electric connection element is arranged in the mounting cavity; the outside of wiring chamber is equipped with the fixation clamp cover, the fixation clamp cover is equipped with the sealing member, the fixation clamp cover is fixed the sealing member in the wiring intracavity, the one end and the electric component that connect of connecting wire are connected. The overall structure is reliable, stable and practical, and waterproof and dustproof sealing structures are further added under the condition of guaranteeing stability.

Drawings

Fig. 1 is a perspective view of a waterproof connector for a wire harness according to the present utility model;

fig. 2 is a perspective view of another embodiment of the harness waterproofing connector of fig. 1;

FIG. 3 is an exploded view of the harness waterproofing connector of FIG. 1;

FIG. 4 is a schematic front view of the harness waterproofing connector of FIG. 1;

fig. 5 is a cross-sectional view of A-A in fig. 4.

Reference numerals illustrate: the connector comprises an outer shell 1, a plug cavity 11, a plug guide groove 111, a plug positioning groove 112, a fixing cavity 12, a first fixing step 121, a second fixing step 122, a plug fixing groove 13, a plug card 131, a plug positioning hole 132, a pressing part 133, a plug part 14, a plug groove 141, a connecting plug 142, an inner shell 2, a fixing seat 21, a first fixing part 211, a second fixing part 212, a fixing plug 213, a plug end 22, a sealing connector 23, a first sealing ring 231, a first sealing outer lip 232, a second sealing ring 233, a second sealing outer lip 234, a sealing outer ring 24, a third sealing outer lip 241, a wiring cavity 25, a connecting buckle 251, a mounting cavity 26, a fixing jacket 27, a connecting clamping groove 271, a sealing member 28, a sealing inner lip 281, a connecting element 3, a fixing sleeve 31, an insulator 32, a connecting terminal 33, a limiting ring 34 and a connecting wire 4.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 5, in one embodiment of the present utility model, a waterproof wire harness connector is provided with an outer housing 1, an inner housing 2, an electrical connection element 3, and a connection wire 4, wherein the outer housing 1 includes a plugging cavity 11 and a fixing cavity 12, and the plugging cavity 11 is communicated with the fixing cavity 12; the inner shell 2 comprises a fixed seat 21 fixed in the fixed cavity 12 and a plugging end 22 extending towards the plugging cavity 11, the fixed seat 21 is provided with a sealing connecting piece 23, the sealing connecting piece 23 is used for sealing between the fixed seat 21 and the fixed cavity 12, the plugging end 22 is provided with a sealing outer ring 24, a wiring cavity 25 and a mounting cavity 26 are arranged in the inner shell 2, and the wiring cavity 25 and the mounting cavity 26 are mutually communicated; the electric connection element 3 is arranged in the mounting cavity 26; the outside of wiring chamber 25 is equipped with fixation clamp cover 27, fixation clamp cover 27 is equipped with sealing member 28, fixation clamp cover 27 fixes sealing member 28 in wiring chamber 25, the one end of connecting wire 4 is connected with electric connection component 3.

The outside of shell body 1 is equipped with grafting fixed slot 13, be equipped with grafting card 131 on the grafting fixed slot 13, grafting locating hole 132 has been seted up on the grafting card 131, the one end of grafting locating hole 132 communicates to grafting chamber 11, the one end of grafting card 131 is equipped with presses the portion 133, plays the location grafting effect when being used for the connector grafting through grafting fixed slot 13 and grafting card 131 cooperation, and the structure grafting is stable, and grafting precision is high, has the convenient plug of pressing the portion 133 moreover.

The plugging cavity 11 is provided with a plugging guide groove 111 and a plugging positioning groove 112, one end of the plugging positioning groove 112 is communicated with the plugging positioning hole 132, and the plugging positioning and guiding of the connector are realized through the plugging guide groove 111 and the plugging positioning groove 112, so that the connector is convenient to plug.

The shell body 1 deviates from the one side of grafting fixed slot 13 and is equipped with eye-splice portion 14, eye-splice portion 14 has seted up eye-splice groove 141, one side of eye-splice groove 141 is equipped with connection eye-splice 142, in this embodiment, sets up eye-splice portion 14 and connection eye-splice 142 and is used for the connector cooperation to fix, and the structure can be fixed in the mounted position, and stability is better.

The fixed cavity 12 is internally provided with a first fixed step 121 and a second fixed step 122, the fixed seat 21 is provided with a first fixed part 211 and a second fixed part 212, the first fixed part 211 is used for being matched with the first fixed step 121, the second fixed part 212 is used for being matched with the second fixed step 122, and the fixed steps and the fixed parts are arranged to be matched and fixed, so that the fixed seat 21 and the fixed cavity 12 are positioned and installed more stably and reliably.

The sealing connection piece 23 comprises a first sealing ring 231 sleeved on the outer ring of the first fixing portion 211, the first sealing ring 231 is provided with a plurality of first sealing outer lips 232, and further improved in that the sealing connection piece 23 comprises a second sealing ring 233 sleeved on the second fixing portion 212, the second sealing ring 233 is provided with a plurality of second sealing outer lips 234, the outer portion of the sealing outer ring 24 is provided with a plurality of third sealing outer lips 241, and the plurality of sealing outer lips form a multi-section sealing structure, so that the sealing coefficient is high.

The fixing base 21 is provided with a fixing plug 213 for fixing the power receiving element 3 to the inner case 2, and the electronic element is fixed by the fixing plug 213, further ensuring structural stability.

The electric connection element 3 comprises a fixed sleeve 31 installed inside the inner shell 2, an insulator 32 installed in the fixed sleeve 31 and an electric connection terminal 33 inserted in the insulator 32, wherein the fixed sleeve 31 is provided with a plurality of limiting rings 34, the limiting rings 34 are used for fixing and limiting the fixed sleeve 31 in the inner shell 2, the fixed sleeve 31 and the electric connection terminal 33 are matched for conducting contact, the insulator 32 insulates and separates the fixed sleeve and the electric connection terminal, and the limiting rings 34 are used for limiting and fixing during structural assembly and are stable in structure.

The both sides of fixation clamp 27 are equipped with the connection draw-in groove 271, the external diameter of wiring chamber 25 is equipped with the connection buckle 251, the connection draw-in groove 271 is used for the card to go into on the connection buckle 251, the internal diameter of sealing member 28 is equipped with a plurality of sealed inner lips 281, sealed inner lips 281 are used for the external diameter of cooperation connecting wire 4, and seal.

The utility model adopts the structural design of the outer shell 1 and the inner shell 2, is more convenient in structural assembly, has better stability during plugging and using, is easier to fix the structure, has higher assembly efficiency, is suitable for mass production, and is internally provided with the sealing connecting piece 23 and the sealing outer ring 24, wherein the sealing connecting piece 23 is used for sealing the inner structure, and the sealing outer ring 24 is used for sealing the connector during plugging and using, thereby realizing sealing on multiple structures, and has high structural sealing coefficient and good waterproof and dustproof effects. The problem of current pencil connector waterproof sealing effect not good is solved, overall structure equipment is convenient, waterproof dustproof effect is good. Specifically, an outer shell 1, an inner shell 2, an electric connection element 3 and a connecting wire 4 are arranged, wherein the outer shell 1 comprises a plug cavity 11 and a fixing cavity 12, and the plug cavity 11 is communicated with the fixing cavity 12; the inner shell 2 comprises a fixed seat 21 fixed in the fixed cavity 12 and a plugging end 22 extending towards the plugging cavity 11, the fixed seat 21 is provided with a sealing connecting piece 23, the sealing connecting piece 23 is used for sealing between the fixed seat 21 and the fixed cavity 12, the plugging end 22 is provided with a sealing outer ring 24, a wiring cavity 25 and a mounting cavity 26 are arranged in the inner shell 2, and the wiring cavity 25 and the mounting cavity 26 are mutually communicated; the electric connection element 3 is arranged in the mounting cavity 26; the outside of wiring chamber 25 is equipped with fixation clamp cover 27, fixation clamp cover 27 is equipped with sealing member 28, fixation clamp cover 27 fixes sealing member 28 in wiring chamber 25, the one end of connecting wire 4 is connected with electric connection component 3. The overall structure is reliable, stable and practical, and waterproof and dustproof sealing structures are further added under the condition of guaranteeing stability.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A waterproof connector for a wire harness, characterized in that: comprising

The shell comprises an inserting cavity and a fixing cavity, and the inserting cavity is communicated with the fixing cavity;

the inner shell comprises a fixed seat fixed in the fixed cavity and a plug end extending towards the plug cavity, the fixed seat is provided with a sealing connecting piece, the sealing connecting piece is used for sealing between the fixed seat and the fixed cavity, the plug end is provided with a sealing outer ring, a wiring cavity and a mounting cavity are arranged in the inner shell, and the wiring cavity and the mounting cavity are mutually communicated;

the power receiving element is arranged in the mounting cavity;

the connecting wire, the outside of wiring chamber is equipped with the fixation clamp cover, the fixation clamp cover is equipped with the sealing member, the fixation clamp cover is fixed the sealing member in the wiring intracavity, the one end and the electric component that connect of connecting wire are connected.

2. The waterproof wire harness connector according to claim 1, wherein: the outside of shell body is equipped with grafting fixed slot, be equipped with grafting card on the grafting fixed slot, the grafting locating hole has been seted up on the grafting card, the one end intercommunication of grafting locating hole is to the grafting chamber, the one end of grafting card is equipped with the pressing part.

3. The waterproof wire harness connector according to claim 2, wherein: the plug-in cavity is provided with a plug-in guide groove and a plug-in positioning groove, and one end of the plug-in positioning groove is communicated with the plug-in positioning hole.

4. The waterproof wire harness connector according to claim 1, wherein: the shell body deviates from the one side of grafting fixed slot and is equipped with the eye-splice portion, the eye-splice slot has been seted up to the eye-splice portion, one side of eye-splice slot is equipped with the connection eye-splice.

5. The waterproof wire harness connector according to claim 1, wherein: the fixed intracavity is equipped with first fixed step and the fixed step of second, the fixing base is equipped with first fixed part and second fixed part, first fixed part is used for cooperating first fixed step, second fixed part is used for cooperating the fixed step of second.

6. The waterproof wire harness connector according to claim 5, wherein: the sealing connecting piece comprises a first sealing ring sleeved on the outer ring of the first fixing part, and a plurality of first sealing outer lips are arranged on the first sealing ring.

7. The waterproof wire harness connector according to claim 6, wherein: the sealing connecting piece comprises a second sealing ring sleeved on the second fixing part, a plurality of second sealing outer lips are arranged on the second sealing ring, and a plurality of third sealing outer lips are arranged outside the sealing outer ring.

8. The waterproof wire harness connector according to claim 1, wherein: the fixing seat is provided with a fixing plug for fixing the electric connection element on the inner shell.

9. The waterproof wire harness connector according to claim 1, wherein: the electric connection element comprises a fixed sleeve arranged in the inner shell, an insulator arranged in the fixed sleeve and an electric connection terminal inserted in the insulator, wherein the fixed sleeve is provided with a plurality of limiting rings, and the limiting rings are used for fixing and limiting the fixed sleeve in the inner shell.

10. The waterproof wire harness connector according to claim 1, wherein: the both sides of fixation clamp cover are equipped with the connection draw-in groove, the external diameter in wiring chamber is equipped with the connection buckle, the connection draw-in groove is used for the card to go into on the connection buckle, the internal diameter of sealing member is equipped with a plurality of sealed inner lips, sealed inner lip is used for the external diameter of cooperation connecting wire, and is sealed.