CN212517717U - Waterproof connector - Google Patents

Abstract

The utility model discloses a waterproof connector, which comprises a female plug and a male plug, wherein the male plug is used for being plugged with the front end of the female plug, and a male plug pin and a first elastic sealing plate which is hermetically sleeved on the male plug pin are arranged on the plugging end surface of the male plug; a female plug pin is arranged on the plug end surface of the female plug, and a jack matched with the male plug pin is formed in the female plug pin; when the male plug is inserted into the female plug, two opposite side surfaces of the first elastic sealing plate respectively abut against the male plug and the female plug. The waterproof connector of the utility model can effectively prevent moisture from permeating into the joint of the female plug pin and the first connecting wire along the space between the plug end surface of the male plug pin and the plug end surface of the female plug pin; in addition, the waterproof connector can effectively prevent moisture from permeating into the connection position of the male plug pin and the second connecting line along the plug end face of the male plug pin and the plug end face of the female plug pin.

Description

Waterproof connector

Technical Field

The utility model relates to a connector field especially relates to a waterproof connector.

Background

Connectors are a means for completing a conductive circuit between circuits that are blocked or isolated from conduction within the circuit. The connector ensures that current flows smoothly, continuously and reliably so that the circuit can perform the intended function.

In the existing connector, a gap generally exists between the male plug pin and the male plug body, and a gap also exists between the female plug pin and the female plug body. Generally, a sealing ring is disposed on a peripheral side surface of the male plug body, and when the male plug is inserted into the female plug, the sealing ring of the male plug abuts against the peripheral side surface of the male plug and a circumferential side surface of the female plug respectively to achieve water resistance. However, the sealing ring generally cannot prevent moisture in the air from entering between the plugging end face of the male plug and the plugging end face of the female plug, the moisture can enter a part where the first connecting line and the male plug are connected along a gap between the male plug pin and the male plug body, a precise electronic component generally exists in the part, and the performance of the precise electronic component is greatly influenced by the permeated moisture; similarly, once moisture permeates into the second connecting line and the position where the female plug pin is connected, the moisture also has a great influence on the precise electronic component electrically connected with the second connecting line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector solves the problem of moisture along the grafting terminal surface infiltration connecting wire department of public grafting round pin and female grafting round pin.

To achieve the purpose, the utility model adopts the following technical proposal:

a waterproof connector comprises a female plug and a male plug, wherein the male plug is used for being plugged with the front end of the female plug, and a male plug pin and a first elastic sealing plate which is sleeved on the male plug pin in a sealing manner are arranged on the plugging end surface of the male plug; a female plug pin is arranged on the plug end surface of the female plug, and a jack matched with the male plug pin is formed in the female plug pin;

when the male plug is inserted into the female plug, two opposite side surfaces of the first elastic sealing plate are respectively abutted against the male plug and the female plug.

Optionally, an annular protrusion is further disposed around the first elastic sealing plate on the insertion end surface of the male plug, a first mounting groove is disposed on an outer side wall of the annular protrusion, and a sealing ring is mounted in the first mounting groove;

an annular groove matched with the annular bulge is formed in the insertion end face of the female plug;

when the male plug is inserted into the female plug, the annular protrusion is inserted into the annular groove, and the sealing ring abuts against the groove wall of the annular groove.

Optionally, a first groove is formed by the annular protrusion and the insertion end surface of the male plug in an enclosing manner, and the first elastic sealing plate is fixed at the bottom of the first groove; the first elastic sealing plate covers the bottom of the first groove and abuts against the wall of the first groove.

Optionally, an annular waterproof groove is formed in the groove bottom of the first groove, an annular waterproof protrusion is arranged on one side, facing the groove bottom of the first groove, of the first elastic sealing plate, and the annular waterproof protrusion is clamped and fixed in the annular waterproof groove.

Optionally, the sealing washer including set up in first sealing washer on the bellied lateral wall of annular, the annular is protruding still to be provided with the follow the bellied inside wall of annular runs through to the hole that loses heart of the bellied lateral wall of annular, lose heart with first sealing washer sets gradually according to keeping away from first elastic sealing plate's direction.

Optionally, a second sealing ring is further arranged on the outer side wall of the annular protrusion, and the air release hole is located between the first sealing ring and the second sealing ring.

Optionally, the waterproof connector further comprises a first connection line; one end of the first connecting wire extends into the female plug and is electrically connected with the female plug connecting pin; in the female plug, a second elastic sealing plate is hermetically arranged on an extending path of the first connecting line, and the second elastic sealing plate is hermetically sleeved on the first connecting line.

Optionally, the female plug further comprises a terminal surface arranged opposite to the plugging end surface of the female plug;

the wiring end face of the female plug is provided with a second mounting groove matched with the shape of the second elastic sealing plate, the second elastic sealing plate is mounted in the second mounting groove, and the second elastic sealing plate abuts against the groove wall of the second mounting groove;

the plug end surface of the female plug is also detachably and fixedly connected with a cover plate for covering the second mounting groove, and the cover plate is provided with a through hole for mounting a first connecting wire;

the first connecting wire extends into the female plug from the through hole, sequentially penetrates through the second elastic sealing plate and the groove bottom of the second mounting groove, and is electrically connected with the female plug pin.

Optionally, the waterproof connector further comprises a second connecting line; one end of the second connecting wire extends into the male plug and is electrically connected with the male plug connecting pin; in the male plug, a third elastic sealing plate is hermetically arranged on the extending path of the second connecting wire, and the third elastic sealing plate is hermetically sleeved on the second connecting wire.

Optionally, the male plug further comprises a wiring end face arranged opposite to the plugging end face of the male plug; and the wiring end face of the male plug is provided with a third mounting groove matched with the third elastic sealing plate in shape, the third elastic sealing plate is mounted in the third mounting groove, and the third elastic sealing plate abuts against the groove wall of the third mounting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a waterproof connector, public inserting is pegged graft when female inserting, and first elastic sealing plate's relative both sides face offsets with public inserting and female inserting respectively. Public inserting is pegged graft when female inserting, and first elastic sealing plate sets up sealedly between the grafting terminal surface of public inserting and the grafting terminal surface of female inserting, can not only prevent effectively that moisture from along the grafting terminal surface of public grafting round pin and female grafting round pin, and the infiltration is to the gap between public grafting round pin and the public body of inserting, also can prevent effectively in the gap of moisture along the grafting terminal surface of public grafting round pin and female grafting round pin, infiltration to female grafting round pin and female inserting between the body. The waterproof connector of the utility model can effectively prevent moisture from permeating into the joint of the female plug pin and the first connecting wire along the space between the plug end surface of the male plug pin and the plug end surface of the female plug pin; in addition, the waterproof connector can effectively prevent moisture from permeating into the connection position of the male plug pin and the second connecting line along the plug end face of the male plug pin and the plug end face of the female plug pin.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic perspective view of a waterproof connector according to an embodiment of the present invention in an inserted state;

fig. 2 is a schematic front view of a waterproof connector according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of the position A in FIG. 3;

FIG. 5 is an enlarged schematic view of the position B in FIG. 3;

fig. 6 is a schematic front view of a second elastic sealing plate according to an embodiment of the present invention;

FIG. 7 is a schematic view of the cross-sectional structure B-B in FIG. 6;

fig. 8 is a schematic structural view of a first elastic sealing plate according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a first elastic sealing plate in another viewing direction according to an embodiment of the present invention.

Illustration of the drawings: 1. male insertion; 111. an annular projection; 112. a first mounting groove; 113. an air release hole; 12. a male plug pin; 13. a first elastic sealing plate; 131. an annular waterproof bulge; 132. a first through hole; 14. a first groove; 141. an annular waterproof groove; 15. a second connecting line; 16. a third elastic sealing plate; 17. a third mounting groove; 2. mother insertion; 211. an annular groove; 212. a second mounting groove; 213. a cover plate; 22. a female plug pin; 23. a connecting wire; 24. a second elastic sealing plate; 241. a second through hole; 3. and (5) sealing rings. 31. A first seal ring; 32. and a second seal ring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1-9, an embodiment of the present invention provides a waterproof connector, including a female plug 2 and a male plug 1 for plugging with a front end of the female plug 2, wherein a male plug pin 12 and a first elastic sealing plate 13 hermetically sleeved on the male plug pin 12 are disposed on a plugging end surface of the male plug 1; the female plug 2 is provided with a female plug pin 22 on the plug end face, and the female plug pin 22 is provided with a jack matched with the male plug pin 12.

Specifically, when the male plug 1 is inserted into the female plug 2, two opposite side surfaces of the first elastic sealing plate 13 respectively abut against an insertion end surface of the male plug 1 and an insertion end surface of the female plug 2. The fixing force of the male plug 1 inserted into the female plug 2 makes the first elastic sealing plate 13 be hermetically arranged between the insertion end surface of the male plug 1 and the insertion end surface of the female plug 2. Moreover, the sealing area of the first elastic sealing plate 13, the insertion end face of the male plug 1 and the insertion end face of the female plug 2 is far larger than that of the O-shaped sealing ring, so that the sealing performance of the first elastic sealing plate 13 is superior to that of the O-shaped sealing ring. The first elastic sealing plate 13 can effectively prevent moisture from permeating into the wiring positions of the first connecting wire 23 and the female connecting pin 22 from the space between the plugging end surface of the male plug 1 and the plugging end surface of the female plug 2, and the influence on precise electronic components at the connection positions is avoided; in addition, the first elastic sealing plate 13 can also effectively prevent moisture from permeating into the wiring position between the second connecting wire 15 and the male pin 12 from the insertion end surface of the male pin 1 and the insertion end surface of the female pin 2, and thus, the influence on the precise electronic components at the connection position is avoided.

In an optional implementation scheme of this embodiment, an annular protrusion 111 is further disposed around the first elastic sealing plate 13 on the insertion end surface of the male plug 1, a first mounting groove 112 is disposed on an outer side wall of the annular protrusion 111, and the sealing ring 3 is mounted in the first mounting groove 112; an annular groove 211 matched with the annular protrusion 111 is formed in the insertion end face of the female plug 2; when the male plug 1 is inserted into the female plug 2, the annular protrusion 111 is inserted into the annular groove 211, and the sealing ring 3 abuts against the groove wall of the annular groove 211. Specifically, the sealing ring 3 mounted on the annular protrusion 111 and the first elastic sealing plate 13 form two waterproof lines, so that the waterproof performance is enhanced. The sealing ring 3 can separate most of water to the outside of the connector, and improves the sealing environment of the first elastic sealing plate 13.

In an optional implementation scheme of this embodiment, the annular protrusion 111 and the insertion end surface of the male plug 1 enclose to form a first groove 14, and the first elastic sealing plate 13 is fixed at the bottom of the first groove 14; the first elastic sealing plate 13 covers the bottom of the first groove 14 and abuts against the wall of the first groove 14. Specifically, one side surface of the first elastic sealing plate 13 abuts against the groove bottom of the first groove 14, and the outer peripheral surface of the first elastic sealing plate 13 abuts against the groove wall, which is equivalent to form an L-shaped waterproof structure on the male plug 1, so that the waterproof effect of the connector is further improved.

In an optional implementation of this embodiment, the groove bottom of the first groove 14 is provided with an annular waterproof groove 141, one side of the first elastic sealing plate 13 facing the groove bottom of the first groove 14 is provided with an annular waterproof protrusion 131, and the annular waterproof protrusion 131 is fixed in the annular waterproof groove 141 in a clamping manner. Specifically, the annular waterproof groove 141 is equivalent to a penetration path of moisture to be bent, and moisture is likely to enter the wiring of the second connection line 15 and the male plug pin 12 and has to go through three L-shaped corners, so that the difficulty of moisture penetration is greatly increased. The annular waterproof groove 141 further increases the difficulty of moisture penetration into the second connection line 15.

In an optional implementation of this embodiment, the waterproof connector further includes a first connection line 23; one end of the first connecting wire 23 extends into the female plug 2 and is electrically connected with the female plug pin 22; in the female plug 2, a second elastic sealing plate 24 is disposed on an extending path of the first connection line 23, and the second elastic sealing plate 24 is sealingly sleeved on the first connection line 23. The female plug 2 also comprises a wiring end face which is arranged opposite to the plugging end face of the female plug 2; the wiring end face of the female plug 2 is provided with a second mounting groove 212 matched with the shape of the second elastic sealing plate 24, the second elastic sealing plate 24 is mounted in the second mounting groove 212, and the second elastic sealing plate 24 abuts against the groove wall of the second mounting groove 212; the plugging end surface of the female plug 2 is also detachably and fixedly connected with a cover plate 213 used for covering the second mounting groove 212, and the cover plate 213 is provided with a through hole used for mounting the first connecting wire 23; the first connecting wire 23 extends into the female plug 2 from the through hole, sequentially passes through the second elastic sealing plate 24 and the bottom of the second mounting groove 212, and is electrically connected with the female plug pin 22. Specifically, the groove bottom of the second mounting groove 212 is provided with a connection hole to the female plug pin 22, and the first connection line 23 extends into the female plug 2 from the connection hole to be electrically connected with the female plug pin 22. Specifically, when the male plug 1 is inserted into the female plug 2, the first elastic sealing plate 13, the second elastic sealing plate 24 and the female plug 2 form a sealed space to prevent moisture from permeating into the connection line of the first connection line 23 and the female connection pin 22.

In an optional implementation of this embodiment, the sealing ring 3 includes the first sealing ring 31 disposed on the outer sidewall of the annular protrusion 111, the annular protrusion 111 is further provided with a gas release hole 113 penetrating from the inner sidewall of the annular protrusion 111 to the outer sidewall of the annular protrusion 111, and the gas release hole 113 and the first sealing ring 31 are sequentially disposed in a direction away from the first elastic sealing plate 13. Specifically, in the process of inserting the male plug 1 into the female plug 2, since the first sealing ring 31 abuts against the groove wall of the annular groove 211, the gas inside the male plug 1 is discharged out of the connector in the inserting process, and the compressed gas inside the connector is prevented from existing.

In an alternative implementation of this embodiment, the outer sidewall of the annular protrusion 111 is further provided with a second sealing ring 32, and the relief hole 113 is located between the first sealing ring 31 and the second sealing ring 32. The connector is inserted after exhausting gas or moisture, and the second sealing ring 32 effectively prevents external moisture from entering the interior of the waterproof connector through the air release hole 113. Further, if there is moisture in the grafting chamber, place the export of the hole 113 of disappointing in the lower extreme, then insert 1 with public inserting in female 2, the inside most water of waterproof connector can leak the external world through the hole 113 of disappointing, remains the moisture in the grafting chamber less and can not lead to the fact the influence to the sealed effect of first elastic sealing plate 13.

The waterproof connector further comprises a second connection line 15; one end of the second connecting wire 15 extends into the male plug 1 and is electrically connected with the male plug pin 12; in the male plug 1, a third elastic sealing plate 16 is disposed on an extending path of the second connection line 15, and the third elastic sealing plate 16 is hermetically sleeved on the second connection line 15. Further, the third elastic sealing plate 16 can effectively prevent moisture from permeating into the connection point of the second connection line 15 and the male pin 12 in the male plug 1 along the second connection line 15. Specifically, when the male plug 1 is inserted into the female plug 2, the first elastic sealing plate 13, the third elastic sealing plate 16 and the male plug 1 form a sealed space, so that moisture is prevented from permeating into the wiring position of the second connecting wire 15 and the male plug pin 12, and the normal working condition of the precision component is further ensured.

The male plug 1 also comprises a wiring end face which is arranged opposite to the plugging end face of the male plug 1; the terminal surface of public affair insert 1 is seted up the third mounting groove 17 with the shape looks adaptation of third elastic sealing plate 16, and third elastic sealing plate 16 is installed in third mounting groove 17, and third elastic sealing plate 16 contradicts the cell wall of third mounting groove 17.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A waterproof connector comprises a female plug (2) and a male plug (1) which is used for being plugged with the front end of the female plug (2), and is characterized in that a male plug pin (12) and a first elastic sealing plate (13) which is hermetically sleeved on the male plug pin (12) are arranged on the plugging end surface of the male plug (1); a female plug pin (22) is arranged on the plug end face of the female plug (2), and a jack matched with the male plug pin (12) is formed in the female plug pin (22);

when the male plug (1) is plugged into the female plug (2), two opposite side surfaces of the first elastic sealing plate (13) are respectively abutted against the male plug (1) and the female plug (2).

2. The waterproof connector according to claim 1, wherein an annular protrusion (111) is further arranged on the insertion end surface of the male plug and around the first elastic sealing plate (13), a first mounting groove (112) is arranged on the outer side wall of the annular protrusion (111), and a sealing ring (3) is mounted in the first mounting groove (112);

an annular groove (211) matched with the annular protrusion (111) is formed in the insertion end face of the female plug (2);

when the male plug (1) is inserted into the female plug (2), the annular protrusion (111) is inserted into the annular groove (211), and the sealing ring (3) abuts against the groove wall of the annular groove (211).

3. The waterproof connector according to claim 2, wherein the annular protrusion (111) and the insertion end face of the male plug (1) are surrounded to form a first groove (14), and the first elastic sealing plate (13) is fixed on the groove bottom of the first groove (14); the first elastic sealing plate (13) covers the groove bottom of the first groove (14) and is abutted against the groove wall of the first groove (14).

4. The watertight connector according to claim 3, characterized in that the groove bottom of the first groove (14) is provided with an annular watertight groove (141), and the side of the first elastic sealing plate (13) facing the groove bottom of the first groove (14) is provided with an annular watertight protrusion (131), the annular watertight protrusion (131) being snapped into the annular watertight groove (141).

5. The waterproof connector according to claim 3, characterized in that the sealing ring (3) comprises a first sealing ring (31) arranged on the outer side wall of the annular protrusion (111), the annular protrusion (111) is further provided with a gas release hole (113) penetrating from the inner side wall of the annular protrusion (111) to the outer side wall of the annular protrusion (111), and the gas release hole (113) and the first sealing ring (31) are sequentially arranged in a direction away from the first elastic sealing plate (13).

6. The watertight connector as recited in claim 5, characterized in that a second sealing ring (32) is further provided on an outer side wall of the annular protrusion (111), and the relief hole (113) is located between the first sealing ring (31) and the second sealing ring (32).

7. The waterproof connector according to claim 1, characterized in that the waterproof connector further comprises a first connecting wire (23); one end of the first connecting wire (23) extends into the female plug (2) and is electrically connected with the female plug pin (22); in the female plug (2), a second elastic sealing plate (24) is hermetically arranged on an extending path of the first connecting line (23), and the second elastic sealing plate (24) is hermetically sleeved on the first connecting line (23).

8. The watertight connector according to claim 7, wherein the female plug (2) further comprises a terminal end surface disposed opposite to the mating end surface of the female plug (2);

a second mounting groove (212) matched with the second elastic sealing plate (24) in shape is formed in the wiring end face of the female plug (2), the second elastic sealing plate (24) is mounted in the second mounting groove (212), and the second elastic sealing plate (24) abuts against the groove wall of the second mounting groove (212);

the plug end surface of the female plug (2) is also detachably and fixedly connected with a cover plate (213) used for covering the second mounting groove (212), and the cover plate (213) is provided with a through hole used for mounting the first connecting wire (23);

the first connecting wire (23) extends into the female plug (2) from the through hole, sequentially penetrates through the second elastic sealing plate (24) and the groove bottom of the second mounting groove (212), and is electrically connected with the female plug pin (22).

9. The watertight connector according to claim 1, characterized in that it further comprises a second connection line (15); one end of the second connecting wire (15) extends into the male plug (1) and is electrically connected with the male plug pin (12); in the male plug (1), a third elastic sealing plate (16) is hermetically arranged on the extending path of the second connecting line (15), and the third elastic sealing plate (16) is hermetically sleeved on the second connecting line (15).

10. The watertight connector according to claim 9, characterized in that the male plug (1) further comprises a terminal face disposed opposite to the mating face of the male plug (1); the wiring end face of the male plug (1) is provided with a third mounting groove (17) matched with the third elastic sealing plate (16) in shape, the third elastic sealing plate (16) is mounted in the third mounting groove (17), and the third elastic sealing plate (16) abuts against the groove wall of the third mounting groove (17).

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