CN214411658U

CN214411658U - Waterproof connector

Info

Publication number: CN214411658U
Application number: CN202120733025.8U
Authority: CN
Inventors: 赖柄源; 赖启益; 简昭宜
Original assignee: Avertronics Inc
Current assignee: Avertronics Inc
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-10-15
Anticipated expiration: 2031-04-12

Abstract

The utility model provides a waterproof connector, include: the male end connecting piece and the female end connecting piece are provided with corresponding grooves and indication convex parts, so that when the male end connecting piece and the female end connecting piece are connected in an opposite plugging mode, the male end connecting piece and the female end connecting piece can be connected in an opposite plugging mode through the corresponding grooves and the indication convex parts in an opposite plugging mode, the advantages of fast plugging and having plugging accuracy are achieved, the situation that the terminals are damaged and broken due to the fact that the male end connecting piece and the female end connecting piece are plugged in an incorrect plugging mode is avoided, the waterproof effect is achieved when plugging is carried out, in addition, the mutual interference between electric power and signals can be avoided by utilizing the position partition design of the electric power terminals and the signal terminals, the stability of an electric loop is improved, the effect of high current resistance is achieved through the configuration of a plurality of terminals, and the use safety is improved.

Description

Waterproof connector

Technical Field

The present invention relates to a waterproof connector, and more particularly to a waterproof connector with fool-proof function to prevent damage and breakage of terminals and improve the safety of use.

Background

Connectors are generally used to electrically connect two electrical circuits for transmitting electrical signals or power. The connectors need to meet the requirements and standard specifications of the relevant electrical characteristics to ensure the reliability of the transmission of electrical power or electrical signals, on the other hand, the ease of handling and use of the connectors is a concern to users. Because the power supplies have different polarities, for example, the dc power supply includes a positive electrode and a negative electrode, and the ac power supply includes a live wire and a ground wire, which can only be normally plugged and unplugged in a specific direction and a specific relative position, but because the conventional connector is not provided with a foolproof design, when the male end member and the female end member of the connector are plugged and unplugged with each other, a short circuit is generated or electrical equipment is damaged due to an incorrect electrode position of the connector, which is necessary to improve.

In view of this, the inventor has made experience in manufacturing, developing and designing related products for many years, and has finally obtained a practical utility model after detailed design and careful evaluation aiming at the above-mentioned objects.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that wants to solve lies in providing a waterproof connector to the above-mentioned disappearance that prior art exists.

The utility model provides a waterproof connector, include: the male end connecting piece is provided with a seat body which is provided with a plurality of first male end penetrating grooves and a plurality of second male end penetrating grooves, the front end and the rear end of the seat body respectively extend to form a first sleeve body and a second sleeve body, the outer diameter of the first sleeve body is axially provided with a corresponding groove, an outward extending leaning plate body is arranged on the periphery of the seat body between the first sleeve body and the second sleeve body, the side surface of the leaning plate body facing the first sleeve body is a plane, the side surface of the leaning plate body facing the second sleeve body is radially provided with a plurality of convex parts, concave parts are correspondingly formed among the convex parts, the outer diameter of the first sleeve body is sleeved with a first gasket, and the outer end of the first gasket is convexly provided with a watertight annular rib; the male terminal set is provided with a plurality of electric male terminals and a plurality of signal male terminals corresponding to the first male end through groove and the second male end through groove, and the outer surfaces of the electric male terminals and the signal male terminals are provided with at least one annular rib; the female end connector is provided with a convex seat body which is correspondingly assembled in the first sleeve body of the male end connector, the convex seat body is provided with a plurality of first female end through grooves and a plurality of second female end through grooves, the first female end through grooves and the second female end through grooves correspond to the first male end through grooves and the second male end through grooves, the outer diameter of the convex seat body is provided with a plurality of ring grooves which are all sleeved with a gasket, the periphery of the tail end of the convex seat body is provided with an outward extending abutting plate body, the side surface of the abutting plate body facing the convex seat body is provided with an indicating convex part corresponding to the corresponding groove of the first sleeve body, the other end of the abutting plate body, which is different from the convex seat body, is provided with a third sleeve body, the outer diameter of the third sleeve body is sleeved with a second gasket, the outer end of the second gasket is convexly provided with a watertight ring rib, and the second gasket is sleeved on the outer diameter of the third sleeve body by facing the abutting plate body through the watertight ring rib; the female terminal group is provided with a plurality of female power terminals and a plurality of female signal terminals corresponding to the first female end through groove and the second female end through groove, and at least one annular rib is arranged on the surfaces of the female power terminals and the female signal terminals.

Preferably, the first male end through groove and the second male end through groove are both provided with a stop convex portion at an inner diameter of one end portion, the power male terminal and the signal male terminal are both provided with a large diameter section and a small diameter section, a stop step portion is formed between the large diameter section and the small diameter section of the power male terminal and the signal male terminal, and the stop step portions of the power male terminal and the signal male terminal are abutted against the stop convex portions of the first male end through groove and the second male end through groove for limiting.

Preferably, the first gasket is provided with a sleeve hole for penetrating the first sleeve body, the first gasket is tightly attached to the plane of the abutting plate body, and the watertight ring rib of the first gasket is convexly arranged on the outer end edge of the sleeve hole of the first gasket.

Preferably, the second gasket is provided with a sleeve hole for penetrating and sleeving outside the third sleeve body, and the watertight ring rib of the second gasket is convexly arranged at the outer end edge of the sleeve hole of the second gasket.

Preferably, the first female end through groove and the second female end through groove are both provided with a stop protrusion at the end of the protruding base body.

Preferably, the inner diameter of the first sleeve of the male end connector is gradually reduced from outside to inside to form a gradually reduced groove chamber, and the convex seat body of the female end connector is gradually reduced from the abutting plate body to the end part.

Preferably, the second male end through groove of the male end connector is formed into a tapered through groove from the second sleeve body.

Preferably, the first female end through groove and the second female end through groove of the female end connector both form a tapered through groove from the third sleeve body inwards.

Preferably, the ring rib ends of the power male terminal, the signal male terminal, the power female terminal and the signal female terminal are all provided with a lead-in inclined plane.

Efficacy against the prior art: the male end connecting piece and the female end connecting piece are provided with corresponding grooves and indication convex parts, so that when the male end connecting piece and the female end connecting piece are connected in a plugging mode, the male end connecting piece and the female end connecting piece can be plugged quickly and have the advantage of plugging accuracy, the situation that the terminals are damaged and broken due to the fact that the male terminal set and the female terminal set are plugged in mistakenly is avoided, and the waterproof effect is achieved when the male terminal set and the female terminal set are plugged in a sealing mode.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a perspective view of the separated state of the present invention.

Fig. 4 is a cross-sectional view of the female connector of the present invention.

Fig. 5 is a cross-sectional view of a male end connector of the present invention.

Fig. 6 is a cross-sectional view of the alignment of the male end connector and the female end connector of the present invention.

Fig. 7 is a partially enlarged sectional view of the female power terminal and the first female terminal through groove assembly of the present invention.

Fig. 8 is a partially enlarged sectional view of the female signal terminal and the second female terminal through groove assembly of the present invention.

Fig. 9 is a partially enlarged sectional view of the assembly of the male power terminal and the first male terminal through groove of the present invention.

Fig. 10 is a partially enlarged sectional view of the assembly of the signal male terminal and the second male terminal through groove according to the present invention.

Fig. 11 is a cross-sectional view of the male end connector and the female end connector of the present invention.

Symbolic illustration in the drawings:

10, a male end connecting piece; 11, a seat body; 111, a first male end penetrates through the groove; 112, the second male end penetrates through the groove; 113 stop convex part; 114, a stop boss; 12, a first sleeve body; 121, corresponding grooves; 13, a second sleeve body; 14, closing the plate body; 141, plane surface; 142, a convex part; 143, a concave part; 15: a first gasket; 151, trepanning; 152 watertight ring ribs; 20, a male terminal group; 21, a power male terminal; 211, a large-diameter section; 212, a small-diameter section; 213, a stop step; 214, an annular rib; 215, leading in an inclined plane; 22, a signal male terminal; 221, a large-diameter section; 222, a small-diameter section; 223 stop step; 224, an annular rib; 225, leading in an inclined plane; 30, a female end connecting piece; 31, a convex seat body; 311, a first female end is penetrated with a groove; 312, a second female end is penetrated with a groove; 313, a stop convex part; 314, a stop convex part; 315, a ring groove; 316, a gasket; 32, abutting against the plate body; 321 an indication convex part; 33, a third sleeve body; 34, a second gasket; 341, trepanning; 342 watertight ring ribs; 40, a female terminal group; 41, a power female terminal; 411 is an annular rib; 412, leading in the inclined plane; 42, a signal female terminal; 421 ring rib; 422, leading-in inclined plane.

Detailed Description

To further understand and appreciate the objects, features and functions of the present invention, please refer to the drawings and detailed below.

First, referring to fig. 1, 2 and 3, a waterproof connector includes: a male end connector 10, a male terminal set 20, a female end connector 30 and a female terminal set 40, wherein the male end connector 10 has a base 11, the base 11 has a plurality of first male end through grooves 111 and a plurality of second male end through grooves 112, the first male end through groove 111 and the second male end through groove 112 are both provided with a

stop protrusion

113, 114 at an inner diameter of one end, a first sleeve 12 and a second sleeve 13 respectively extend from the front and rear ends of the base 11, the outer diameter of the first sleeve 12 is axially provided with a corresponding groove 121, the outer periphery of the base 11 is provided with an outward extending coupling plate 14 between the first and

second sleeves

12, 13, the side of the coupling plate 14 facing the first sleeve 12 is a plane 141, the side of the coupling plate 14 facing the second sleeve 13 is provided with a plurality of protrusions 142 in a radial shape, the plurality of protrusions 142 are all corresponding to form a recess 143, a first gasket 15 is sleeved on the outer diameter of the first sleeve body 12, the first gasket 15 is provided with a sleeve hole 151 for penetrating the first sleeve body 12, the first gasket 15 is tightly attached to the plane 141, and a watertight annular rib 152 is convexly arranged at the outer end of the sleeve hole 151 of the first gasket 15; the male terminal set 20 has a plurality of power male terminals 21 and a plurality of signal male terminals 22 corresponding to the first male end through slot 111 and the second male end through slot 112, the power male terminals 21 and the signal male terminals 22 both have a

large diameter section

211, 221 and a

small diameter section

212, 222, a stopping

step

213, 223 is formed between the

large diameter section

211, 221 and the

small diameter section

212, 222, and at least one

annular rib

214, 224 is provided on the surface of the

large diameter section

211, 221; the female connector 30 has a protruding seat 31, the protruding seat 31 is correspondingly assembled into the first sleeve 12 of the male connector 10, the protruding seat 31 has a plurality of first female penetrating slots 311 and a plurality of second female penetrating slots 312, the first female penetrating slots 311 and the second female penetrating slots 312 correspond to the first male penetrating slots 111 and the second male penetrating slots 112, the first female penetrating slots 311 and the second female penetrating slots 312 have a

stop protrusion

313, 314 annularly disposed at an inner diameter of one end, the protruding seat 31 has a plurality of annular slots 315, the annular slots 315 are all sleeved with a gasket 316, an outward extending abutting plate 32 is disposed at an outer circumference of a tail end of the protruding seat 31, an indicating protrusion 321 is disposed at a side of the abutting plate 32 facing the protruding seat 31 corresponding to the corresponding groove of the first sleeve 12, and a third sleeve 33 is disposed at another end of the abutting plate 32 different from the protruding seat 31, a second gasket 34 is sleeved on the outer diameter of the third sleeve body 33, the second gasket 34 is provided with a sleeve hole 341, a watertight annular rib 342 is protruded at the end of the sleeve hole 341, and the second gasket 34 is sleeved on the outer diameter of the third sleeve body 33 by facing the abutting plate body 32 with the watertight annular rib 342; the female terminal set 40 has a plurality of power female terminals 41 and a plurality of signal female terminals 42 corresponding to the first female end through groove 311 and the second female end through groove 312, and the surfaces of the power female terminals 41 and the signal female terminals 42 are both provided with at least one

annular rib

411, 421.

Further, the first male end through groove 111 and the second male end through groove 112 of the male end connector 10 are two through grooves with different hole diameters, and are configured to be inserted into the power male terminal 21 and the signal male terminal 22 with different outer diameters.

Further, as shown in fig. 5, the inner diameter surface of the second male end through groove 112 of the male end connector 10 is not horizontal but has an inclined angle (a), so that the second male end through groove 112 is formed into a tapered through groove from the second sleeve 13.

Further, the first female end slot 311 and the second female end slot 312 of the female end connector 30 are two slots with different apertures, and are configured to be inserted into the power female terminal 41 and the signal female terminal 42 with different outer diameters.

Further, the inner diameter surfaces of the first female end through groove 311 and the second female end through groove 312 of the female end connector 30 are not horizontal and have an inclined angle (B) (C), so that the first female end through groove 311 and the second female end through groove 312 form a tapered through groove from the third sleeve 33 inward.

The structure of the male terminal 21 and the signal male terminal 22 are combined and used as shown in fig. 1, 3 and 6, the end of the third sleeve 33 is respectively assembled into the first male end through groove 111 and the second male end through groove 112 of the base 11, the

large diameter sections

211 and 221 of the power male terminal 21 and the signal male terminal 22 are tightly fitted with the inner walls of the first male end through groove 111 and the second male end through the

annular ribs

214 and 224 of the outer diameter, the

small diameter sections

212 and 222 of the power male terminal 21 and the signal male terminal 22 are penetrated out of the first male end through groove 111 and the second male end through groove 112, and the

stopping steps

213 and 223 are abutted against and limited by the stopping

protrusions

113 and 114 of the first male end through groove 111 and the second male end through groove 112, so as to further restrain the

small diameter sections

212, 212 of the power male terminal 21 and the signal

male terminal

22, 222 are limited inside the first sleeve 12, the power female terminal 41 and the signal female terminal 42 of the female terminal set 40 are respectively assembled into the first female end through-slot 311 and the second female end through-slot 312 of the boss body 31 from the end of the third sleeve 33, the power female terminal 41 and the signal female terminal 42 are tightly fitted with the inner walls of the first female end through-slot 311 and the second female end through-slot 312 through the

annular ribs

411, 421 of the outer diameters, and the end portions of the power female terminal 41 and the signal female terminal 42 are abutted and limited by the

stop protrusions

313, 314 formed by shrinking the end portions of the first female end through-slot 311 and the second female end through-slot 312, and the power female terminal 41 and the signal female terminal 42 are further fixed in the first female end through-slot 311 and the second female end through-slot 312, whereby the male connector 10 is assembled by the boss body 31 of the first sleeve 12 and the female connector 30, when the male connector 10 is assembled, the corresponding groove 121 of the outer diameter of the first sleeve 12 is aligned and faced with the indication protrusion 321 of the female connector 30 on the abutting plate 32, so that each of the power male terminals 21 and each of the signal male terminals 22 of the male connector 10 can be accurately inserted into each of the power female terminals 41 and each of the signal female terminals 42 of the female terminal set 40 of the female connector 30, and further the first sleeve 12 of the male connector 10 is completely sleeved outside the boss 31 of the female connector 30, thereby achieving the connection of power and signal, and simultaneously, the stability of an electrical circuit is improved by the design of different sizes and position partitions between the power terminals and the signal terminals.

Further, as shown in fig. 7 to 10, the ends of the

annular ribs

214, 224, 411, 421 of the outer diameters of the male power terminal 21, the male signal terminal 22, the female power terminal 41, and the female signal terminal 42 are all provided with a guiding

inclined surface

215, 225, 412, 422, so that the terminals can be conveniently assembled into the corresponding through grooves.

Further, as shown in fig. 4 and 5, the inner diameter surface of the first sleeve 12 of the male connector 10 is not horizontal and has an inclined angle (D), so that the inner diameter of the first sleeve 12 forms a tapered groove chamber from outside to inside, the outer diameter surface of the boss 31 of the female connector 30 is not horizontal and has an inclined angle (E), so that the outer diameter of the boss 31 forms a tapered boss from the abutting plate 32 to the end, thereby achieving the purpose of quickly connecting the male connector 10 and the female connector 30, and the outer diameter of the boss 31 further uses the annular groove 315 to sleeve a plurality of washers 316, and the washers 316 are in close contact with the inner diameter of the first sleeve 12, so that the male connector 10 and the female connector 30 have waterproof and connection stability.

In addition, a plurality of the protrusions 142 and corresponding recesses 143 are disposed on an outward side of the engaging plate 14 of the male connector 10, so that when the male connector 10 is assembled or disassembled with the female connector 30, the recesses 143 can be used as a hand-held stable part, and the protrusions 142 are used for blocking and limiting to prevent hand-held slippage, which is helpful for improving the stability of assembling and disassembling the connector.

With the structure of the above embodiment, the following benefits can be obtained: the male connector 10 and the female connector 30 have corresponding grooves 121 and indication protrusions 321, so that when the male connector 10 and the female connector 30 are inserted into each other, the corresponding grooves 121 and the indication protrusions 321 can be corresponded to each other to achieve the advantages of fast plugging and having plugging accuracy, preventing the male terminal set 20 and the female terminal set 40 from being damaged and broken due to the mis-plugging, and having waterproof effect when plugging and sealing, in addition, in the combination of the male connector 10 and the female connector 30, the design of the position separation of the power terminal and the signal terminal is utilized to avoid the mutual interference between the power and the signal, and further, the stability of the electrical circuit is increased, and the male terminal set 20 and the female terminal set 40 are correspondingly provided with a plurality of power and signal terminals, so that the effect of high current resistance is achieved, and the use safety is improved.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby; therefore, all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A waterproof connector, characterized by comprising:

a male end connector, which has a base body having a plurality of first male end through grooves and a plurality of second male end through grooves, wherein the front and rear ends of the base body respectively extend to form a first sleeve body and a second sleeve body, the outer diameter of the first sleeve body is axially provided with a corresponding groove, the periphery of the base body is provided with an outward extending leaning plate body between the first sleeve body and the second sleeve body, the side surface of the leaning plate body facing the first sleeve body is a plane, the side surface of the leaning plate body facing the second sleeve body is provided with a plurality of convex parts in a radial shape, the plurality of convex parts are all correspondingly formed with concave parts, the outer diameter of the first sleeve body is sleeved with a first gasket, and the outer end of the first gasket is convexly provided with a watertight annular rib;

the male terminal group is provided with a plurality of electric male terminals and a plurality of signal male terminals corresponding to the first male end through groove and the second male end through groove, and at least one annular rib is arranged on the outer surfaces of the electric male terminals and the signal male terminals;

a female end connector, which is provided with a convex seat body, the convex seat body is correspondingly assembled in the first sleeve body of the male end connector, the convex seat body is provided with a plurality of first female end through grooves and a plurality of second female end through grooves, the first female end through grooves and the second female end through grooves correspond to the first male end through grooves and the second male end through grooves, the outer diameter of the convex seat body is provided with a plurality of ring grooves which are all sleeved with a gasket, the periphery of the tail end of the convex seat body is provided with an outward extending abutting plate body, the side surface of the abutting plate body facing the convex seat body is provided with an indicating convex part corresponding to the corresponding groove of the first sleeve body, the other end of the abutting plate body, which is different from the convex seat body, is provided with a third sleeve body, the outer diameter of the third sleeve body is sleeved with a second gasket, the outer end of the second gasket is convexly provided with a watertight ring rib, and the second gasket is sleeved on the outer diameter of the third sleeve body by facing the abutting plate body through the watertight ring rib;

and the female terminal group is provided with a plurality of female power terminals and a plurality of female signal terminals corresponding to the first female end through groove and the second female end through groove, and the surfaces of the female power terminals and the female signal terminals are provided with at least one annular rib.

2. The waterproof connector according to claim 1, wherein the first male end through groove and the second male end through groove are each formed with a stop protrusion at an inner diameter of one end portion, the power male terminal and the signal male terminal each have a large diameter section and a small diameter section, and a stop step is formed between the large diameter section and the small diameter section of the power male terminal and the signal male terminal, and the stop step of the power male terminal and the signal male terminal is abutted against and limited by the stop protrusions of the first male end through groove and the second male end through groove.

3. The waterproof connector as claimed in claim 1, wherein the first spacer has a hole for passing through the first sleeve and tightly contacts the first spacer with the plane of the abutting plate, and the watertight ring rib of the first spacer is protruded from the outer edge of the hole of the first spacer.

4. The waterproof connector as claimed in claim 1, wherein the second gasket has a hole for passing through the third sleeve, and the watertight ring rib of the second gasket is protruded from an outer edge of the hole of the second gasket.

5. The watertight connector as recited in claim 1, wherein the first female end through groove and the second female end through groove each have a stop protrusion formed around an end of the male housing.

6. The waterproof connector as claimed in claim 1, wherein the first sleeve body of the male connector has an inner diameter that forms a tapered chamber from outside to inside, and the protrusion of the female connector forms a tapered protrusion from the abutting plate to the end.

7. The waterproof connector as claimed in claim 1, wherein the second male end through groove of the male end connector is formed with a tapered through groove from the second sleeve inward.

8. The waterproof connector according to claim 1, wherein the first female end through groove and the second female end through groove of the female connector are tapered through the third sleeve.

9. The waterproof connector according to claim 1, wherein the leading end portions of the annular ribs of the power male terminal, the signal male terminal, the power female terminal and the signal female terminal are provided with a lead-in slope.