Waterproof wire-to-board connector

Abstract

The utility model discloses a waterproof wire-to-board connector, which relates to the technical field of connectors and at least comprises a female end connector. The female end connector comprises a female end connector shell and a plurality of female end terminals; the female end connector shell comprises a side wall part and a bottom plate part formed at one end of the side wall part; for each female end terminal of the female end connector, one end is welded / mounted on the printed circuit board, and the other end passes through the bottom plate part and enters the shell of the female end connector; and in the female end connector, glue is dispensed at the position where the female end terminal penetrates into the bottom plate part of the female end connector shell, so that a waterproof glue dispensing layer is formed. The utility model mainly solves the problem of how to provide a waterproof wire-to-board connector. According to the utility model, after the waterproof dispensing layer is arranged, a waterproof structure can be provided at the joint of the female end terminal and the female end connector housing, so that the female end connector obtains waterproof performance, and the waterproof type wire-to-board connector can be provided.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a waterproof wire-to-board connector. Background Art

[0002] Connectors can transmit electrical energy and signals between two or more different electrical components. Therefore, connectors are widely used in various fields.

[0003] Wire-to-board connector is an important type of connector, which has the characteristics of stable connection, easy installation and maintenance, and strong adaptability. One end of the wire-to-board connector is integrated on the printed circuit board (PCB), and the other end is located at the cable, so that the cable can be connected to the printed circuit board to achieve the connection between the printed circuit board and the external device.

[0004] However, the wire-to-board connector in the prior art still has certain technical problems: the wire-to-board connector is usually not provided with a waterproof structure, making it difficult for the wire-to-board connector to adapt to water immersion, splashing and humid environments.

[0005] In summary, how to provide a waterproof wire-to-board connector has become one of the problems to be solved urgently. Utility Model Content

[0006] The utility model aims to provide a waterproof wire-to-board connector, which has waterproof performance.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof wire-to-board connector, which at least includes a female connector; the female connector includes a female connector shell and a plurality of female terminals; the female connector shell includes a side wall portion, and a bottom plate portion formed at one end of the side wall portion; the female connector shell is fixed on a printed circuit board; for each female terminal of the female connector, one end is welded / mounted on the printed circuit board, and the other end passes through the bottom plate portion and enters the female connector shell; in the female connector: glue is applied at the position where the female terminal penetrates into the bottom plate portion of the female connector shell to form a waterproof glue layer.

[0008] In the above technical solution, a glue dispensing seat is formed on the outer surface of the bottom plate portion of the female connector shell; the female terminal passes through the bottom plate portion at the glue dispensing seat of the female connector shell and enters into the female connector shell; in the female connector: glue is dispensed at the glue dispensing seat of the female connector shell to form a waterproof glue dispensing layer.

[0009] In the above technical scheme, the waterproof wire-to-board connector of the utility model also includes a male connector; the male connector includes a male connector housing and a plurality of male terminals; the male connector housing includes a plug-in part and a wiring part sequentially arranged along its extension direction, and a plurality of terminal grooves are formed in the male connector housing; the male terminals are correspondingly accommodated in the terminal grooves of the male connector housing; a first sealing ring is provided on the surface of the plug-in part of the male connector housing; when the male connector is plugged into the female connector, the first sealing ring of the male connector presses against the inner wall of the female connector housing of the female connector.

[0010] In the above technical solution, the surface of the plug-in part of the male connector housing is concave to form a first sealing ring groove; the first sealing ring is sleeved on the first sealing ring groove of the male connector housing.

[0011] In the above technical solution, the male connector also includes a second sealing ring; a second sealing ring groove is formed at the end face of the wiring part of the male connector shell; the second sealing ring is embedded in the second sealing ring groove of the male connector shell to seal the opening of the male connector shell; the wiring introduced into the male connector passes through the second sealing ring and is interference fit with the second sealing ring.

[0012] In the above technical solution, a convex rib is formed on the male terminal; a clamping rib is formed in the terminal groove of the male connector housing; the clamping rib of the male connector housing clamps the convex rib of the male terminal to prevent the male terminal from being dislocated.

[0013] In the above technical solution, an anti-foolproof snap groove is formed at the female connector shell of the female connector; an anti-foolproof snap is formed at the male connector shell of the male connector; when the male connector is plugged into the female connector, the anti-foolproof snap of the male connector is buckled into the anti-foolproof snap groove of the female connector.

[0014] In the above technical solution, the male connector housing is raised at the side position of the fool-proof buckle to form an anti-mistaken pressing rib.

[0015] In the above technical solution, the surface of the fool-proof buckle is formed with an anti-slip texture.

[0016] In the above technical solution, a positioning column is formed on the end surface of the side wall portion of the female connector housing; a positioning hole is provided on the printed circuit board; and the positioning column of the female connector housing can be inserted into the positioning hole of the printed circuit board.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the waterproof wire-to-board connector of the utility model is glued at the position where the female terminal penetrates into the bottom plate part of the female connector shell to form a waterproof glue layer. Since the female connector shell is an integrally formed structure, after the waterproof glue layer is provided, a waterproof structure can be provided at the connection between the female terminal and the female connector shell, so that the female connector obtains waterproof performance, thereby providing a waterproof wire-to-board connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional view of the utility model.

[0019] Figure 2 This is an exploded view of the present invention.

[0020] Figure 3 It is a cross-sectional view of the utility model.

[0021] The accompanying drawings are marked as follows: 1. female connector; 11. female connector housing; 111. side wall portion; 1111. foolproof snap-on groove; 1112. positioning column; 112. bottom plate portion; 1121. glue dispensing seat; 12. female terminal; 13. waterproof glue dispensing layer; 2. male connector; 21. male connector housing; 211. plug-in portion; 2111. first sealing ring groove; 212. wiring portion; 2121. second sealing ring groove; 213. foolproof snap-on; 2131. anti-slip texture; 214. terminal groove; 2141. snap-on rib; 215. anti-mistaken pressing rib; 22. male terminal; 221. convex rib; 23. first sealing ring; 24. second sealing ring; 10. printed circuit board; 101. positioning hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 3 This embodiment provides a waterproof wire-to-board connector, which at least includes a female connector 1.

[0024] The female connector 1 comprises a female connector housing 11 and a plurality of female terminals 12, wherein the female connector housing 11 is an integrally formed shell of engineering plastic material, and the female terminals 12 are integrally formed copper terminals or aluminum alloy terminals.

[0025] The female connector housing 11 includes a side wall portion 111 and a bottom plate portion 112 formed at one end of the side wall portion 111, that is, the side wall portion 111 and the bottom plate portion 112 are integrally formed to constitute the female connector housing 11, and the female connector housing 11 is a structure with one end open and the other end closed.

[0026] The female connector housing 11 is fixed on the printed circuit board 10. In fact, the female connector housing 11 can be fixed on the printed circuit board 10 by snap-fitting or adhesive bonding. It can be understood that the open end of the female connector housing 11 faces outward, and the closed end of the female connector housing 11 faces the printed circuit board 10.

[0027] For each female terminal 12 of the female connector 1, one end is welded / mounted on the printed circuit board 10 (to achieve electrical connection and / or signal connection with the printed circuit board 10), and the other end passes through the bottom plate part 112 and enters the female connector housing 11.

[0028] In the female connector 1 : glue is applied at the position where the female terminal 12 penetrates into the bottom plate portion 112 of the female connector housing 11 to form a waterproof glue layer 13 .

[0029] Specifically, a glue dispensing seat 1121 is formed on the outer surface of the bottom plate part 112 of the female connector housing 11. In fact, the glue dispensing seat 1121 is a flat portion on the outer surface of the bottom plate part 112, which is conducive to the adhesion of waterproof glue thereto; the female terminal 12 passes through the bottom plate part 112 at the glue dispensing seat 1121 of the female connector housing 11 and enters into the female connector housing 11; in the female connector 1: glue is dispensed at the glue dispensing seat 1121 of the female connector housing 11 to form a waterproof glue dispensing layer 13.

[0030] Since the female connector housing 11 is an integrally formed structure, liquid cannot enter except the opening of the female connector housing 11; setting the waterproof glue layer 13 in the above manner can provide a waterproof structure at the connection between the female terminal 12 and the female connector housing 11, so that the female connector 1 obtains waterproof performance.

[0031] The waterproof wire-to-board connector of this embodiment further includes a male connector 2 .

[0032] The male connector 2 includes a male connector housing 21 and a plurality of male terminals 22 , wherein the male connector housing 21 is an integrally formed shell of engineering plastic material, and the male terminals 22 are integrally formed copper terminals or aluminum alloy terminals.

[0033] The male connector housing 21 includes a plug-in portion 211 and a wiring portion 212 which are sequentially arranged along its extension direction, that is, the plug-in portion 211 and the wiring portion 212 are integrally formed to form the male connector housing 21, and the male connector housing 21 is a structure with openings at both ends; and a plurality of terminal grooves 214 are formed in the male connector housing 21. In fact, the terminal grooves 214 are long strip-shaped grooves in the male connector housing 21, which are used to individually accommodate the male terminals 22.

[0034] The male terminals 22 are correspondingly accommodated in the terminal grooves 214 of the male connector housing 21 , that is, each terminal groove 214 of the male connector housing 21 accommodates a male terminal 22 .

[0035] A first sealing ring 23 is provided on the surface of the plug-in part 211 of the male connector housing 21. The first sealing ring 23 is a sealing ring made of rubber or silicone material, has a certain elasticity, and its surface can provide a certain friction force; when the male connector 2 is plugged into the female connector 1, the first sealing ring 23 of the male connector 2 presses against the inner wall of the female connector housing 11 of the female connector 1.

[0036] The first sealing ring 23 is arranged in the above manner, so as to provide a waterproof structure for the plug-in connection between the male connector 2 and the female connector 1, so that the entire waterproof wire-to-board connector has waterproof performance.

[0037] Furthermore, the surface of the plug-in portion 211 of the male connector housing 21 is concave to form a first sealing ring groove 2111. In fact, the first sealing ring groove 2111 is an annular groove body on the surface of the male connector housing 21; the first sealing ring 23 is sleeved on the first sealing ring groove 2111 of the male connector housing 21. In this way, on the one hand, the first sealing ring 23 can be prevented from being dislocated, and on the other hand, the height difference between the surface of the first sealing ring 23 and the surface of the male connector housing 21 can be reduced, so that the male connector housing 21 is easier to match with the female connector housing 11.

[0038] Furthermore, the male connector 2 also includes a second sealing ring 24, which is a square sealing ring made of rubber or silicone material and has a plurality of threading holes. A second sealing ring groove 2121 is formed at the end face of the wiring portion 212 of the male connector housing 21, that is, the second sealing ring groove 2121 is located at the open end of the wiring portion 212 of the male connector housing 21. The second sealing ring 24 is embedded in the second sealing ring groove 2121 of the male connector housing 21 to seal the opening of the male connector housing 21. The wiring introduced into the male connector 2 passes through the second sealing ring 24 (specifically, through the threading holes of the second sealing ring 24) and is interference fit with the second sealing ring 24.

[0039] The second sealing ring 24 is arranged in the above manner, so as to provide a waterproof structure for the open end of the male connector 2 and the threading position of the male connector 2, so that the male connector 2 has waterproof performance.

[0040] Furthermore, a convex rib 221 is formed on the male terminal 22, and in fact, the convex rib 221 is a protruding structure on the male terminal 22; a clamping rib 2141 is formed in the terminal groove 214 of the male connector housing 21, and in fact, the clamping rib 2141 is a rib-like structure in the terminal groove 214 of the male connector housing 21; the clamping rib 2141 of the male connector housing 21 clamps the convex rib 221 of the male terminal 22 to prevent the male terminal 22 from being dislocated.

[0041] Furthermore, an anti-foolproof snap groove 1111 is formed at the female connector shell 11 of the female connector 1. In fact, a slide groove is provided on one side of the side wall portion 111 of the female connector shell 11, and a snap groove is provided in the slide groove, so that the anti-foolproof snap groove 1111 is obtained; an anti-foolproof snap 213 is formed at the male connector shell 21 of the male connector 2. In fact, a raised snap is provided on one side of the male connector shell 21, so that the anti-foolproof snap 213 is obtained; when the male connector 2 is plugged into the female connector 1, the anti-foolproof snap 213 of the male connector 2 is buckled into the anti-foolproof snap groove 1111 of the female connector 1; since the anti-foolproof snap groove 1111 is provided on only one side of the female connector shell 11, and the anti-foolproof snap groove 1111 and the anti-foolproof snap 213 are also provided on only one side of the male connector shell 21, the anti-foolproof snap groove 1111 and the anti-foolproof snap 213 not only have a fastening function, but also an anti-foolproof function.

[0042] Furthermore, the male connector housing 21 is raised at the side position of the anti-foolproof buckle 213 to form an anti-mistaken press rib 215; in this embodiment, the anti-mistaken press rib 215 is a strip rib structure integrally formed with the male connector housing 21, and the anti-mistaken press rib 215 is arranged on both sides of the anti-mistaken buckle 213; the anti-mistaken press rib 215 is arranged to prevent the anti-mistaken buckle 213 from being mistakenly pressed by a flat surface or large objects, thereby preventing the female connector 1 and the male connector 2 from being mistakenly disconnected.

[0043] Furthermore, an anti-skid texture 2131 is formed on the surface of the anti-skid buckle 213 . In the present embodiment, the anti-skid texture 2131 is a horizontal stripe, which can prevent the finger from slipping on the anti-skid buckle 213 .

[0044] Furthermore, a positioning column 1112 is formed on the end face of the side wall portion 111 of the female connector housing 11. In fact, the positioning column 1112 is a cylindrical structure integrally formed at the end face of the side wall portion 111 of the female connector housing 11; a positioning hole 101 is provided on the printed circuit board 10. In fact, the positioning hole 101 is a round hole; the positioning column 1112 of the female connector housing 11 can be inserted into the positioning hole 101 of the printed circuit board 10. This arrangement can prevent mistakes during assembly and prevent the female connector housing 11 from being lateral dislocation during use.

[0045] The waterproof wire-to-board connector of this embodiment is glued at the position where the female terminal 12 penetrates into the bottom plate part 112 of the female connector shell 11 to form a waterproof glue layer 13. Since the female connector shell 11 is an integrally formed structure, after the waterproof glue layer 13 is provided, a waterproof structure can be provided at the connection between the female terminal 12 and the female connector shell 11, so that the female connector 1 obtains waterproof performance, thereby providing a waterproof wire-to-board connector.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof wire-to-board connector, characterized in that: At least comprising a female connector; The female connector comprises a female connector housing and a plurality of female terminals; The female connector housing includes a side wall portion, and a bottom plate portion formed at one end of the side wall portion; The female connector housing is fixed on the printed circuit board; Each female terminal of the female connector has one end welded / mounted on the printed circuit board and the other end passes through the bottom plate portion and enters the female connector housing; In the female connector: glue is applied at the position where the female terminal penetrates into the bottom plate portion of the female connector housing to form a waterproof glue layer.

2. The waterproof wire-to-board connector according to claim 1, characterized in that: A glue seat is formed on the outer surface of the bottom plate portion of the female connector housing; The female terminal passes through the bottom plate portion at the glue dispensing seat of the female connector housing and enters into the female connector housing; In the female connector: glue is dispensed at the glue dispensing seat of the female connector housing to form a waterproof glue dispensing layer.

3. The waterproof wire-to-board connector according to claim 1 or 2, characterized in that: Also included is a male connector; The male connector comprises a male connector housing and a plurality of male terminals; The male connector housing includes a plug-in portion and a wiring portion sequentially arranged along its extension direction, and a plurality of terminal slots are formed in the male connector housing; The male terminal is correspondingly accommodated in the terminal groove of the male connector housing; A first sealing ring is provided on the surface of the plug-in portion of the male connector housing; When the male connector is inserted into the female connector, the first sealing ring of the male connector abuts against the inner wall of the female connector housing of the female connector.

4. The waterproof wire-to-board connector according to claim 3, characterized in that: The surface of the plug-in portion of the male connector housing is concave to form a first sealing ring groove; The first sealing ring is sleeved on the first sealing ring groove of the male connector housing.

5. The waterproof wire-to-board connector according to claim 3, characterized in that: The male connector also includes a second sealing ring; A second sealing ring groove is formed at the end surface of the wiring portion of the male connector housing; The second sealing ring is embedded in the second sealing ring groove of the male connector housing to seal the opening of the male connector housing; The wiring introduced into the male connector passes through the second sealing ring and is interference-fitted with the second sealing ring.

6. The waterproof wire-to-board connector according to claim 3, characterized in that: The male terminal is formed with a convex rib; A clamping rib is formed in the terminal groove of the male connector housing; The clamping ribs of the male connector housing clamp the convex ribs of the male terminal to prevent the male terminal from being dislocated.

7. The waterproof wire-to-board connector according to claim 3, characterized in that: The female connector housing of the female connector is formed with a foolproof snap-on groove; The male connector housing of the male connector is provided with an anti-foolproof buckle; When the male connector is plugged into the female connector, the foolproof buckle of the male connector is buckled into the foolproof buckle groove of the female connector.

8. The waterproof wire-to-board connector according to claim 7, characterized in that: The male connector housing is raised at a side position of the foolproof buckle to form an anti-mistaken pressing rib.

9. The waterproof wire-to-board connector according to claim 7, characterized in that: The foolproof buckle surface is formed with an anti-skid texture.

10. The waterproof wire-to-board connector according to claim 1 or 2, characterized in that: The end surface of the side wall portion of the female connector housing is formed with a positioning column; The printed circuit board is provided with positioning holes; The positioning column of the female connector housing can be inserted into the positioning hole of the printed circuit board.

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