Waterproof connector

Abstract

The utility model belongs to the technical field of integrated circuits, and discloses a waterproof connector, which comprises a base, a plug port is arranged above the base, a plurality of groups of patch welding pins are arranged on one side of the base, one ends of the plurality of groups of patch welding pins are welded and connected with welding spots on a circuit board, and the other ends of the plurality of groups of patch welding pins penetrate through the base and are electrically connected with the plug port. A plug connector is plugged on the plug interface, a plurality of groups of contact pins are arranged in the plug interface, a plurality of groups of plug female ports corresponding to the contact pins are formed in the plug connector, a waterproof sleeve shell is arranged on the outer side of the plug connector, the contact pins comprise first-area contact pins and second-area contact pins, and the first-area contact pins and the second-area contact pins are distributed in a circumferential symmetry mode. According to the utility model, the structure design is compact and reasonable, liquid can be prevented from permeating into the interior to cause circuit damage, the waterproof performance is good, the plugging head can be plugged in a forward and backward manner, the damage probability is low, and the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model relates to integrated circuit technical field, concretely is a waterproof connector. BACKGROUND

[0002] On the printed circuit board, when the line needs to be connected with the circuit board, or the circuit of the electronic component is complex, the circuit board circuit is separated, and different electronic components need to be connected, and the two different circuit boards need to be connected, these conditions can use the SMD connector, one end of the SMD connector is electrically connected with the circuit board, and the other end can be provided with a plug or a socket for conveniently connecting the wire, and the wire is connected with the target to be connected by the connecting wire. The other end of the connecting wire can also be provided with different plugs to connect different devices or another SMD connector. The advantages of the SMD connector are that the above-mentioned connection mode is a selectable disconnected connection mode, and compared with directly welding the two ends of the wire on the circuit board, the work efficiency can be greatly saved, the cost can be reduced, the board area can be reduced, and the design flexibility can be improved

[0003] Some SMD connectors need to be exposed in areas with high humidity due to unique use environment, or occasionally contact the connector with liquid, condensed water, etc. The conventional connector has poor waterproof performance, and when the liquid penetrates into the connector, it will cause circuit damage, short circuit, and even burnout of the compact electronic component, equipment damage, etc. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the utility model provides a waterproof connector to solve the problem of circuit damage caused by water entering the connector in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waterproof connector, comprising a base, a plurality of SMD soldering pins are arranged on one side of the base, one end of the plurality of SMD soldering pins is connected with the welding point on the circuit board, and the other end penetrates through the base and is electrically connected with the plug-in interface, a plug-in connector is inserted into the plug-in interface, a plurality of plug-in pins are arranged in the plug-in interface, a plurality of plug-in female interfaces corresponding to the plug-in pins are arranged in the plug-in connector, and a waterproof shell is arranged on the outer side of the plug-in connector.

[0006] Preferably, the plug-in pin comprises a first zone plug-in pin and a second zone plug-in pin, the first zone plug-in pin and the second zone plug-in pin are circumferentially symmetrical, a plurality of SMD soldering pins are arranged corresponding to the first zone plug-in pin and are electrically connected, and a plurality of SMD soldering pins are circumferentially symmetrical with the first zone plug-in pin and are electrically connected with the second zone plug-in pin.

[0007] Preferably, a sealing groove is arranged on the waterproof shell, and a sealing rubber pad is bonded in the sealing groove.

[0008] Preferably, the base is provided with a convex ring corresponding to the sealing rubber pad, the plug-in connector is connected to the plug-in port of the base, the waterproof sleeve is sleeved outside the plug-in port, and the convex ring abuts against the sealing rubber pad.

[0009] Preferably, the gap between the waterproof sleeve and the plug-in connector is a waterproof cavity, and the waterproof cavity is larger than the side wall of the plug-in port.

[0010] Preferably, two groups of reinforcing holes are formed on the side of the base away from the patch soldering leg, internal threads are formed in the two groups of reinforcing holes, and the base is fixedly connected to the circuit board through bolts.

[0011] Compared with the prior art, the waterproof connector has the following beneficial effects:

[0012] 1. The waterproof connector is provided with a waterproof sleeve and unique plug-in pins, can prevent liquid from penetrating into the interior to cause circuit damage, has good waterproof performance, and the plug-in connector can be plugged in reversely, has low damage probability and high service life.

[0013] 2. The waterproof sleeve is provided, the top end of the waterproof sleeve abuts against the base and is sealingly connected through the sealing rubber pad, liquid can be prevented from penetrating into the interior, and the waterproof cavity is larger than the side wall of the plug-in port, that is, after the plug-in connector is installed, some air exists in the waterproof cavity, the air pressure of the air can ensure that liquid cannot penetrate into the interior, and the waterproof performance is good.

[0014] 3. One area plug-in pins and two area plug-in pins are arranged, the one area plug-in pins and the two area plug-in pins are circumferentially symmetrical, can be reversely plugged in at 180°, can be reversely plugged in, are convenient to use, and if a Pin pin in the one area plug-in pins is damaged, the corresponding damaged Pin pin in the two area plug-in pins is also damaged, so that the device is damaged, the damage probability is greatly reduced, and the service life is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a whole schematic view of the utility model;

[0017] Figure 3 It is a base schematic view of the utility model;

[0018] Figure 4 It is a plug-in port schematic view of the utility model;

[0019] Figure 5 It is a plug-in connector and waterproof sleeve schematic view of the utility model.

[0020] In the figure: 1, base; 2, plug interface; 3, patch solder leg; 4, pin; 5, plug; 6, plug female interface; 7, waterproof sleeve; 8, reinforcing hole; 9, one area pin; 10, two area pin; 11, sealing groove; 12, sealing rubber; 13, convex ring; 14, waterproof cavity. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0023] A waterproof connector, including base 1, the top of base 1 is provided with plug interface 2, one side of base 1 is provided with multiple groups of patch solder leg 3, one end of multiple groups of patch solder leg 3 is connected with the welding spot on the circuit board and is welded, the other end passes through base 1 and is electrically connected with plug interface 2, plug interface 2 is inserted with plug 5, plug interface 2 is provided with multiple groups of pin 4, plug 5 is provided with multiple groups of plug female interface 6 corresponding to pin 4, the outside of plug 5 is provided with waterproof sleeve 7.

[0024] Further, the pin 4 includes a one area pin 9 and a two area pin 10, the one area pin 9 and the two area pin 10 are circumferentially symmetrical, the multiple groups of patch solder leg 3 correspond to and are electrically connected with the one area pin 9, and the multiple groups of patch solder leg 3 are circumferentially symmetrical with the two area pin 10 relative to the one area pin 9 and are electrically connected. Each Pin in the one area pin 9 has a corresponding Pin in the two area pin 10, that is, each Pin in the one area pin 9 and the two area pin 10 plays the same role, if a Pin in the one area pin 9 is damaged, the corresponding Pin in the two area pin 10 can replace the damaged Pin to connect with the plug and transmit data information.

[0025] Further, the waterproof sleeve 7 is provided with a sealing groove 11, and the sealing groove 11 is bonded with a sealing rubber 12.

[0026] Further, the base 1 is provided with a convex ring 13 corresponding to the sealing rubber 12, the plug 5 is connected with the plug interface 2 on the base 1, the waterproof sleeve 7 is sleeved on the outside of the plug interface 2, and the convex ring 13 abuts against the sealing rubber 12. The sealing rubber 12 is recommended to use a rubber pad with elasticity.

[0027] Further, the gap between the waterproof sleeve 7 and the plug 5 is a waterproof cavity 14, which is larger than the side wall of the plug-in interface 2. The larger waterproof cavity 14 means that there is air inside when the plug 5 is plugged into the plug-in interface 2, which will provide a certain air pressure. According to the water tension effect, water penetrates more in the form of a surface to resist air pressure. This design can prevent liquid from penetrating.

[0028] Further, two groups of reinforcing holes 8 are formed on the bottom 1 away from the patch soldering leg 3, and internal threads are formed in the two groups of reinforcing holes 8. The bottom 1 is fixedly connected with the circuit board by bolts. Bolt holes are reserved on the circuit board, and the use of bolts is more secure and compact, which can prevent the soldering points from falling off due to factors such as vibration.

[0029] Working principle: when using the device, the patch soldering leg 3 is connected with the soldering point on the circuit board, and the bottom 1 can be fixed on the circuit board by bolts. The plug 5 is plugged into the plug-in interface 2 of the bottom 1 to complete the connection function. The plug 5 can be plugged in randomly, and the top of the waterproof sleeve 7 abuts against the bottom 1 when the plug 5 is plugged into the plug-in interface 2. The convex ring 13 abuts against the sealing rubber pad 12 to seal and prevent water, and the waterproof cavity 14 contains a certain amount of air, which provides air pressure to prevent liquid penetration.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A watertight connector comprising a base (1), characterised in that: The upper side of the base (1) is provided with a plug interface (2), one side of the base (1) is provided with a plurality of groups of patch solder feet (3), one end of the plurality of groups of patch solder feet (3) is welded and connected with the soldering point on the circuit board, the other end penetrates through the base (1) and is electrically connected with the plug interface (2), the plug interface (2) is provided with a plug connector (5), the plug interface (2) is provided with a plurality of groups of plug pins (4), the plug connector (5) is provided with a plurality of groups of plug female interfaces (6) corresponding to the plug pins (4), and the outer side of the plug connector (5) is provided with a waterproof sleeve shell (7).

2. A waterproof connector according to claim 1, wherein: The plug pin (4) comprises a first zone plug pin (9) and a second zone plug pin (10), the first zone plug pin (9) and the second zone plug pin (10) are circumferentially symmetrical, a plurality of groups of the patch solder feet (3) correspond to and are electrically connected with the first zone plug pin (9), and a plurality of groups of the patch solder feet (3) are circumferentially symmetrically electrically connected with the second zone plug pin (10) relative to the first zone plug pin (9).

3. A waterproof connector according to claim 1, wherein: The waterproof sleeve shell (7) is provided with a sealing groove (11), and the sealing groove (11) is bonded with a sealing rubber pad (12).

4. A waterproof connector according to claim 3, wherein: The base (1) is provided with a convex ring (13) corresponding to the sealing rubber pad (12), the plug connector (5) is connected with the plug interface (2) on the base (1), the waterproof sleeve shell (7) is sleeved on the outer side of the plug interface (2), and the convex ring (13) abuts against the sealing rubber pad (12).

5. A waterproof connector according to claim 3, wherein: The gap between the waterproof sleeve shell (7) and the plug connector (5) is a waterproof cavity (14), and the waterproof cavity (14) is larger than the side wall of the plug interface (2).

6. A waterproof connector according to claim 1, wherein: The base (1) is provided with two groups of reinforcing holes (8) on the side away from the patch solder feet (3), the two groups of reinforcing holes (8) are provided with internal threads, and the base (1) is fixedly connected with the circuit board through bolts.

Images