CN109638549B

CN109638549B - Elastic waterproof connector

Info

Publication number: CN109638549B
Application number: CN201811336721.4A
Authority: CN
Inventors: 邓勇
Original assignee: Henan Dingrun Technology Industrial Co ltd
Current assignee: Henan Dingrun Technology Industrial Co ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2020-04-07
Anticipated expiration: 2038-11-12
Also published as: CN109638549A

Abstract

The invention discloses an elastic waterproof connector, which comprises a male end, a female end matched and clamped and a waterproof sleeve arranged between the male end and the female end matched and clamped, wherein the male end comprises a male end body, an annular rubber snap ring, an inner male body clamping groove, an arc-shaped rubber limiting chuck, a male terminal and a male contact piece; the male protruding block integrally formed at the inner top of the male end body is connected with a male terminal, and the front end of the male terminal is connected with a male contact piece; the curved surface arrangement of the invention integrates multiple waterproof effects, greatly enhances the waterproof performance of the connector and is suitable for popularization and use.

Description

Elastic waterproof connector

Technical Field

The invention relates to the technical field of connectors, in particular to an elastic waterproof connector.

Background

The connector is generally used for transmitting current and electric signals, and is widely applied to computers, smart phones, smart bracelets, smart watches, tablet computers and other peripheral electronic devices. As the waterproof connector, there is a waterproof connector in which a contact is attached so as to penetrate a housing, and a contact portion of the contact exposed to the outside of the housing is brought into contact with a contact of a mating connector. In this type of connector, in order to have waterproof performance, sealing of the penetrating portion with respect to the joint is indispensable. Application No. 201711051174.0 discloses a waterproof switch connector, in terms of waterproof effect, still very poor, especially ooze water and be difficult to discharge when the connector joint damage ftractures, in addition when the joint is not hard up, also ooze water easily from the gap, for this reason need carry out research and development improvement to the connector.

Disclosure of Invention

The present invention is directed to a resilient waterproof connector to solve the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a waterproof connector of elasticity, includes the female end of public end and matching joint, still includes the waterproof cover that sets up between the female end of public end and matching joint.

Preferably, the male end comprises a male end body, an annular rubber snap ring, an inner male body clamping groove, an arc-shaped rubber limiting clamp, a male terminal and a male contact piece; the male protruding block integrally formed at the inner top of the male end body is connected with a male terminal, and the front end of the male terminal is connected with a male contact piece;

the inner side wall of the male end body is fixedly connected with an annular rubber snap ring which is distributed annularly, and the lower end of the male end body is arranged into an arc-shaped rubber limiting chuck.

Preferably, the waterproof sleeve comprises a sleeve body, an inclined hole, a sealing ring, a limiting plate, a female joint inserting hole and an arc-shaped groove;

the utility model discloses a cover body, including the cover body, the inside wall of the cover body is annular to be arranged the laminating and has been put the sealing washer, and the limiting plate that the bottom of sealing washer set up fixes on the inside wall of the cover body, has seted up female first spliced eye on the limiting plate, be connected with the protruding dop of cover that the annular distributes on the limiting plate.

Preferably, the female end comprises a female end body, a female contact, a female-male snap ring and a half-arc groove; the head of the female end body is connected with a female contact piece, the side wall of the head of the female end body is connected with an end primary-secondary snap ring, and a semi-arc groove is formed in the end primary-secondary snap ring.

Preferably, the annular rubber snap ring is matched and clamped into an annular groove formed in the peripheral side wall of the sleeve body in a matching manner; the male terminal is inserted into the female connector plug hole; the arc-shaped rubber limiting chuck is inserted into the arc-shaped groove which is outwards turned at the lower end of the sleeve body; the sleeve protrusion clamping head is clamped into the inner male body clamping groove.

Preferably, the head of the female end body is provided with a strip-shaped groove for installing a female contact piece, and the female contact piece is in matched clamping contact with the male contact piece; and the peripheral half arc grooves of the end primary-secondary snap rings are clamped into the side wall of the female connector plug hole.

Preferably, the side wall of the sleeve body is provided with a plurality of rows of inclined holes which are inclined at a certain angle and are convenient for guiding the internal water to the outside.

Preferably, the annular rubber snap rings are at least arranged in two groups, and the groups are arranged on the inner side wall of the male end body in parallel.

Preferably, the width of the female end body is in interference fit, sealing and clamping connection with the inner diameter of the sleeve body.

Preferably, the inclined angle of the inclined hole is an acute angle of 20-80 degrees.

1. Compared with the prior art, the invention has the beneficial effects that: the annular rubber snap ring not only can play a fastening role, but also can play a waterproof role, and prevents water seepage of gaps between the male end and the waterproof sleeve.

2. The lower end of the sleeve body is arranged into an arc groove shape which is turned outwards, so that the male end and the waterproof sleeve can be protected, and the water can be drained to the outside in case of water seepage.

3. The composite structure of the internal male body clamping groove, the sleeve convex clamping head and the limiting plate not only can firmly clamp the male end and the female end, but also can prevent water from seeping between the two terminal heads, wherein the sleeve convex clamping head effectively isolates water.

4. The plurality of inclined holes arranged on the side wall of the waterproof sleeve can further discharge residual water on the sealing ring from the holes, and then the residual water is discharged from the arc-shaped groove along the crack between the male end body and the sleeve body.

The curved surface arrangement of the invention integrates multiple waterproof effects, greatly enhances the waterproof performance of the connector and is suitable for popularization and use.

Drawings

FIG. 1 is a schematic view of a male tip structure according to the present invention;

FIG. 2 is a schematic view of the waterproof jacket structure of the present invention;

FIG. 3 is a schematic view of a female tip structure according to the present invention;

FIG. 4 is a schematic view of the male tip and waterproof jacket assembly;

FIG. 5 is a schematic view of the assembly structure of the male end, the waterproof jacket and the female end;

fig. 6 is a top view of a combination of a retainer plate and a collet chuck in accordance with one embodiment.

In the figure: a male end 1, a waterproof sleeve 2 and a female end 3;

the male end body 101, the annular rubber snap ring 102, the inner male body clamping groove 103, the arc-shaped rubber limit clamp 104, the male terminal 105 and the male contact piece 106; the sleeve comprises a sleeve body 201, an inclined hole 202, a sealing ring 203, a limiting plate 204, a female connector plug hole 205, an arc-shaped groove 206 and a sleeve protrusion clamping head 207; female end body 301, female contact 302, terminal female snap ring 303, half arc groove 304.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

in order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a waterproof connector of elasticity, includes public end 1 and the female end 3 of matching the joint, still including setting up waterproof cover 2 between public end 1 and the female end 3 of matching the joint, public end 1, waterproof cover 2, female end 3 adopt the metal material except the contact of inside, all the other rubber material that all adopts, above-mentioned three kinds of cooperation modes, both can conveniently insert the installation and extract the dismantlement, waterproof again, the simple operation. The structure of the three components is as follows:

the male end 1 comprises a male end body 101, an annular rubber snap ring 102, an inner male body clamping groove 103, an arc-shaped rubber limit clamp 104, a male terminal 105 and a male contact piece 106; a male protrusion block integrally formed at the inner top of the male end body 101 is connected with a male terminal 105, and the front end of the male terminal 105 is connected with a male contact plate 106; the inner side wall of the male end body 101 is fixedly connected with an annular rubber snap ring 102 which is distributed annularly, and the lower end of the male end body 101 is arranged into an arc-shaped rubber limit chuck 104.

The waterproof sleeve 2 comprises a sleeve body 201, an inclined hole 202, a sealing ring 203, a limiting plate 204, a female connector plug hole 205 and an arc-shaped groove 206; the sealing ring 203 is annularly distributed and attached to the inner side wall of the sleeve body 201, the limiting plate 204 arranged at the bottom of the sealing ring 203 is fixed on the inner side wall of the sleeve body 201, the female connector jack 205 is arranged on the limiting plate 204, and the annularly distributed sleeve protrusion clamping heads 207 are connected to the limiting plate 204.

The female end 3 comprises a female end body 301, a female contact piece 302, a terminal female snap ring 303 and a half-arc groove 304; the head of the female terminal body 301 is connected with a female contact 302, the side wall of the head of the female terminal body 301 is connected with a female snap ring 303, and the female snap ring 303 is provided with a semi-arc groove 304.

During assembly, as shown in fig. 4 and 5, the annular rubber snap ring 102 is matched and clamped into an annular groove formed on the peripheral side wall of the sleeve body 201 in a matching manner; the male terminal 105 is inserted into the female plug insertion hole 205; the arc-shaped rubber limit clamp 104 is inserted into the outward turning arc-shaped groove 206 at the lower end of the sleeve body 201, and the shape of the outward turning arc-shaped groove 206 can guide water between gaps to the outside and then leak out; the sleeve protrusion chuck 207 is snapped into the internal male body snap groove 103, preventing water on the seal ring 203 from entering the male terminal 105 and the female body 301.

The head of the female end body 301 is provided with a strip-shaped groove for installing the female contact piece 302, and the female contact piece 302 is in matched clamping contact with the male contact piece 106, so that the transmission of electric signals is completed; the peripheral half-arc groove 304 of the end snap ring 303 is snapped onto the sidewall of the female connector plug hole 205.

Further preferably, the side wall of the sleeve body 201 is provided with a plurality of rows of inclined holes 202 which are inclined at a certain angle and are convenient for guiding the internal water to the outside.

Further optimize, annular rubber snap ring 102 sets up two sets at least, and group between parallel arrangement on public end body 101 inside wall, dual guarantee, water-proof effects is better.

Further optimized, the inclined angle of the inclined hole 202 is an acute angle of 20-80 degrees. The width of the female end body 301 and the inner diameter of the sleeve body 201 are in interference fit and sealed clamping connection, and the sleeve body 201 is made of rubber, so that the clamping connection is guaranteed to be airtight and elastic.

The innovation points of the invention are as follows:

the annular rubber snap ring 102 not only can play a role in fastening, but also can play a role in waterproofing, and can prevent water from seeping through a gap between the male end 1 and the waterproof sleeve 2.

The lower end of the sleeve body 201 is arranged into an arc-shaped groove 206 which is turned outwards, so that the male end 1 and the waterproof sleeve 2 can be protected, and water can be drained to the outside in case of water seepage.

The combined structure of the internal male body clamping groove 103, the sleeve protrusion clamping head 207 and the limiting plate 204 not only can firmly clamp the male end 1 and the female end 3, but also can prevent water from seeping between the two terminal heads, wherein the sleeve protrusion clamping head 207 effectively isolates water.

The inclined holes 202 arranged on the side wall of the waterproof jacket 2 can further discharge water remained on the sealing ring 203 from the holes, and then the water is discharged from the arc-shaped groove 206 along the crack between the male end body 101 and the jacket body 201.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof connector of elasticity, includes female end (3) of public end (1) and matching joint, its characterized in that: the waterproof sleeve (2) is arranged between the male end head (1) and the female end head (3) which is matched and clamped;

the male end (1) comprises a male end body (101), an annular rubber snap ring (102), an inner male body clamping groove (103), an arc-shaped rubber limiting clamping head (104), a male terminal (105) and a male contact piece (106); a male protrusion block integrally formed at the inner top of the male end body (101) is connected with a male terminal (105), and the front end of the male terminal (105) is connected with a male contact sheet (106);

the inner side wall of the male end body (101) is fixedly connected with annular rubber snap rings (102) which are distributed annularly, and the lower end of the male end body (101) is provided with an arc-shaped rubber limit chuck (104);

the waterproof sleeve (2) comprises a sleeve body (201), an inclined hole (202), a sealing ring (203), a limiting plate (204), a female connector plug hole (205) and an arc-shaped groove (206);

the inner side wall of the sleeve body (201) is annularly and respectively provided with a sealing ring (203), a limiting plate (204) arranged at the bottom of the sealing ring (203) is fixed on the inner side wall of the sleeve body (201), a female connector plug hole (205) is formed in the limiting plate (204), sleeve convex clamping heads (207) which are annularly distributed are connected to the limiting plate (204), and an arc-shaped groove (206) which is outwards turned outwards is formed in the lower end of the sleeve body (201);

the female end head (3) comprises a female end body (301), a female contact piece (302), a terminal female snap ring (303) and a half-arc groove (304); the head of the female end body (301) is connected with a female contact piece (302), the side wall of the head of the female end body (301) is connected with a female end snap ring (303), and a half arc groove (304) is formed in the female end snap ring (303).

2. A resilient watertight connector, as claimed in claim 1, characterized in that: the annular rubber snap ring (102) is matched and clamped into an annular groove formed in the peripheral side wall of the sleeve body (201) in a matching mode; the male terminal (105) is inserted into the female connector plug hole (205); the arc-shaped rubber limit chuck (104) is inserted into an arc-shaped groove (206) which is outwards turned at the lower end of the sleeve body (201); the sleeve protrusion clamping head (207) is clamped into the inner male body clamping groove (103).

3. A resilient watertight connector, as claimed in claim 1, characterized in that: the head of the female end body (301) is provided with a strip-shaped groove for installing a female contact piece (302), and the female contact piece (302) is in matched clamping contact with the male contact piece (106); and the peripheral half arc groove (304) of the end primary-secondary snap ring (303) is clamped on the side wall of the female connector plug hole (205).

4. A resilient watertight connector, as claimed in claim 1, characterized in that: the side wall of the sleeve body (201) is provided with a plurality of rows of inclined holes (202) which are inclined at a certain angle and are convenient for guiding the internal water to the outside.

5. A resilient watertight connector, as claimed in claim 1 or 2, characterized in that: the annular rubber snap rings (102) are at least provided with two groups, and the groups are arranged on the inner side wall of the male end body (101) in parallel.

6. A resilient watertight connector, as claimed in claim 1, characterized in that: the width of the female end body (301) is in interference fit, sealing and clamping connection with the inner diameter of the sleeve body (201).

7. A resilient watertight connector, according to claim 4, characterized in that: the inclined angle of the inclined hole (202) is an acute angle of 20-80 degrees.