Waterproof connector

Abstract

The utility model provides a waterproof connector, which relates to the technical field of connectors, and comprises a first shell, a second shell, a copper needle, a plug-in and a cable, and the first shell is detachably connected with the second shell; the number of the copper needles is multiple, and the copper needles are arranged on the first shell and used for being directly connected with the PCB in a welded mode, no extra connecting structure is needed, and connecting complexity and cost are reduced. And the plug-ins are arranged in the second shell, are in one-to-one correspondence with the copper needles and are used for establishing electrical connection between the copper needles and the cable, so that the installation operation is simplified, and the connection flexibility is improved. According to the utility model, the PCB and the cable can be directly connected without an additional connection structure, so that the connection between the cable and the PCB is more convenient and efficient. The overall structural design is compact and reasonable, cost is reduced, installation and operation are easy and convenient, and connection stability and reliability are improved. In addition, the first shell and the second shell are detachably connected, so that assembly and disassembly are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially is related to a waterproof connector. BACKGROUND

[0002] The connection mode of the traditional connector mainly adopts wire harness to wire harness, and is connected through the intermediate plug. This mode is simple and direct, but the cost is high, the function is relatively single, and the flexibility is poor.

[0003] In order to meet the multifunctional use demand of electronic equipment, and then, add the PCB board. However, the existing connector design has defects, cannot be directly connected with the PCB board, leads to the connection demand of cable and PCB board cannot be met. When the cable needs to be connected with the PCB board, the converter and other connection structures need to be additionally equipped on the basis of the connector, increase the complexity of connection, the installation operation is tedious and time-consuming, the cost is high, and the stability and reliability of connection may be reduced.

[0004] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0005] The utility model discloses a waterproof connector to solve the technical problem that the existing connector design has defects in the prior art, cannot be directly connected with the PCB board, needs to be additionally equipped with the connection structure, increases the complexity of connection, the installation operation is tedious and time-consuming, the cost is high, and the stability and reliability of connection may be reduced. The preferred technical scheme in the plurality of technical schemes provided by the utility model can produce the plurality of technical effects, which are described below.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] The utility model provides a waterproof connector, including first casing, second casing, copper needle, plug and cable, first casing with second casing is detachable connection, the quantity of copper needle is a plurality of, and sets up in first casing for with PCB board welding connection, plug sets up in second casing, and respectively with copper needle one to one with setting, for between copper needle with cable establishes electrical connection.

[0008] Preferably, the copper needle includes a first conductive terminal and a second conductive terminal, the diameter of the first conductive terminal is greater than the second conductive terminal, for transmitting different intensity of current, the plug is respectively arranged corresponding to the first conductive terminal and the second conductive terminal.

[0009] Preferably, the second shell is embedded in the first shell, the first shell is provided with a first clamping groove, the second shell is provided with an elastic clamping piece, the elastic clamping piece is provided with a first clamping block, and the first clamping block is clamped and matched with the first clamping groove; an external force drives the free end of the elastic clamping piece to make the first clamping block disengage or enter the first clamping groove.

[0010] Preferably, a first sealing piece is arranged between the embedded surfaces of the first shell and the second shell.

[0011] Preferably, a pressing piece is arranged between the embedded surfaces of the first shell and the second shell, and a contact surface of the pressing piece and the first sealing ring is a matching inclined surface.

[0012] Preferably, a second clamping groove is formed in the first shell, a second clamping block is arranged on the pressing piece, and the second clamping block is clamped and matched with the second clamping groove to fix the pressing piece and the first sealing piece.

[0013] Preferably, the copper needle is in an L-shaped structure, a vertical section of the copper needle is connected with the first interface of the plug-in piece and extends to the outside of the first shell, and a horizontal section of the copper needle is welded with the PCB.

[0014] Preferably, a third shell and a second sealing piece are further included, the third shell is provided with a third clamping groove, a lower part of the second shell is provided with a third clamping block, the third clamping block is clamped and matched with the third clamping groove to form a containing cavity for mounting the second sealing piece, and the second sealing piece is provided with a sealing channel corresponding to the second interface of the plug-in piece for sealing the cable.

[0015] The preferred technical scheme of the utility model can at least produce the following technical effects:

[0016] The utility model effectively avoids the existing connector design to have the defect, cannot connect with the PCB board directly, needs to equip the connecting structure additionally, increases the complexity of connection, the installation operation is complicated and time -consuming, the cost is high, still can cause the technical problem that the stability and reliability of connection decline. The utility model provides a waterproof connector, including first casing, second casing, copper needle, plug -in and cable, first casing and second casing are detachable connection, the number of copper needle is multiple, and is set in first casing, is used for welding connection with the PCB board, plug -in is set in second casing, and it is corresponding respectively with copper needle one one is set, is used for establishing electrical connection between copper needle and cable. The utility model discloses through copper needle directly with the PCB board welding connection, need not additional connecting structure, reduce the complexity of connection and cost. Plug -in sets up in second casing, and one end is inserted with copper needle and connects, and the other end is with cable and is pressed and connects, simplifies the installation operation, improves the flexibility of connection. The utility model discloses can directly connect the PCB board and cable, need not additional connecting structure, make the connection between cable and the PCB board more convenient and efficient. The overall structure design is compact and reasonable, reduces the cost, and the installation operation is simple and convenient, improves the stability and reliability of connection. In addition, first casing and second casing adopt detachable connection mode, facilitate assembly and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0018] Fig. 1 It is the structure schematic diagram of a waterproof connector provided by the utility model;

[0019] Fig. 2 It is the sectional view of a waterproof connector provided by the utility model.

[0020] In the drawing:

[0021] 1, first casing;11, first clamping groove;12, second clamping groove;

[0022] 2, second casing;21, elastic clamping piece;22, first clamping block;23, third clamping block;

[0023] 3, third casing;31, third clamping groove;

[0024] 4, copper needle;41, first conductive terminal;42, second conductive terminal;

[0025] 5, plug -in;51, first interface;52, second interface;

[0026] 6、first seal; 61、first protrusion;

[0027] 7、second seal; 71、second protrusion; 72、sealing channel;

[0028] 8、pressing piece; 81、second clamping block. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the scope of the utility model.

[0030] As Figs. 1-2 shown, the utility model provides a waterproof connector, including first casing 1, second casing 2, copper needle 4, insert 5 and cable, first casing 1 is detachably connected with second casing 2;The number of copper needle 4 is multiple, and is arranged in first casing 1, is used to be connected with PCB board welding;Insert 5 is arranged in second casing 2, and is arranged respectively with copper needle 4 one to one, is used to establish electrical connection between copper needle 4 and cable.

[0031] Through copper needle 4 direct PCB board welding connection, need not additional connecting structure, reduce the connection complexity and cost. Insert 5 is arranged in second casing 2, one end is inserted with copper needle 4 and connects, the other end is connected with cable pressure joint, simplifies installation operation, improves the flexibility of connection. The utility model can directly connect PCB board and cable, need not additional connecting structure, makes the connection between cable and PCB board more convenient and efficient. The overall structure design is compact and reasonable, reduces the cost, and the installation operation is simple and convenient, improves the stability and reliability of connection. In addition, first casing 1 and second casing 2 adopt detachable connecting mode, facilitate assembly and disassembly.

[0032] Further, insert 5 adopts copper piece, has good conductivity. One end of insert 5 is inserted with copper needle 4 and connects, the other end is connected with cable pressure joint, to make cable form electrical connection between insert 5 and copper needle 4 and PCB board.

[0033] As an optional embodiment, copper needle 4 includes first conductive terminal 41 and second conductive terminal 42, the diameter of first conductive terminal 41 is greater than second conductive terminal 42, for transmitting different intensity of current, and the insertion is arranged correspondingly with first conductive terminal 41 and second conductive terminal 42.

[0034] Further, the first conductive terminal 41 and the second conductive terminal 42 are arranged in a matrix on the first shell 1, and the specific number can be set according to the use requirement.

[0035] Since different functions have different demands on power consumption, the copper needle 4 is designed in a partition of current intensity, the first conductive terminal 41 with a larger diameter can be used for transmitting a larger intensity of current, and the second conductive terminal 42 with a smaller diameter can be used for transmitting a smaller intensity of current, thereby meeting the demand of different functions on power consumption, and improving the use flexibility and applicability.

[0036] As an optional implementation, the second shell 2 is embedded in the first shell 1, the first shell 1 is provided with a first clamping groove 11, the second shell 2 is provided with an elastic clamping piece 21, the elastic clamping piece 21 is provided with a first clamping block 22, and the first clamping block 22 is clamped and matched with the first clamping groove 11; the free end of the elastic clamping piece 21 is driven by an external force, so that the first clamping block 22 is separated from or enters the first clamping groove 11.

[0037] Further, the first clamping groove 11 is symmetrically arranged on the first shell 1, and the elastic clamping piece 21 is correspondingly arranged with the first clamping groove 11.

[0038] The elastic clamping piece 21 has elasticity and can be deformed under the action of an external force, thereby changing the relative position of the first clamping block 22 and the first clamping groove 11.

[0039] In the assembly process, the free end of the elastic clamping piece 21 is pressed, so that the first clamping block 22 enters the first clamping groove 11, and the second shell 2 and the first shell 1 are stably connected together.

[0040] When disassembly is needed, the free end of the elastic clamping piece 21 is pressed again, so that the first clamping block 22 is separated from the first clamping groove 11, and the second shell 2 can be separated from the first shell 1.

[0041] As an optional implementation, a first sealing piece 6 is arranged between the embedded surfaces of the first shell 1 and the second shell 2.

[0042] Further, the first sealing piece 6 is made of silica gel material and has good elasticity and sealing performance, thereby improving the waterproof sealing effect.

[0043] A first protrusion 61 is arranged on the outer wall surface of the first sealing piece 6, which avoids accidental displacement of the first sealing piece 6 during use.

[0044] As an optional implementation, a pressing piece 8 is further arranged between the embedded surfaces of the first shell 1 and the second shell 2, and the contact surface of the pressing piece 8 and the first sealing ring is a matching inclined surface.

[0045] In this way, the pressing piece 8 can directly act on the first sealing piece 6, and the relative inclined surfaces of the two make the contact between the pressing piece 8 and the first sealing piece 6 more close, further avoiding accidental displacement of the first sealing piece 6 during use and enhancing the waterproof sealing effect. Meanwhile, the pressing piece 8 also effectively fills the gap between the embedded surfaces of the first housing 1 and the second housing 2, improving the connection stability.

[0046] As an optional implementation, the first housing 1 is provided with a second clamping groove 12, and the pressing piece 8 is provided with a second clamping block 81, which is clamped and matched with the second clamping groove 12 to fix the pressing piece 8 and the first sealing piece 6.

[0047] Further, the second clamping groove 12 is symmetrically arranged on the first housing 1, and the second clamping block 81 is correspondingly arranged with the second clamping groove 12.

[0048] Through the clamping and matching of the second clamping block 81 and the second clamping groove 12, the pressing piece 8 is stably connected with the first housing 1, continuously pressing the first sealing piece 6, and ensuring the waterproof sealing effect.

[0049] As an optional implementation, the copper needle 4 is in an L-shaped structure, the vertical section of the copper needle 4 is connected with the first interface 51 of the plug-in piece 5 and extends to the outside of the first housing 1, and the horizontal section of the copper needle 4 is welded with the PCB board.

[0050] Further, the horizontal section of the copper needle 4 is inserted into the PCB board and subjected to soldering treatment, so as to realize stable physical and electrical connection between the copper needle 4 and the PCB board.

[0051] As an optional implementation, it also includes a third housing 3 and a second sealing piece 7, the third housing 3 is provided with a third clamping groove 31, the lower part of the second housing 2 is provided with a third clamping block 23, the third clamping block 23 is clamped and matched with the third clamping groove 31 to form a containing cavity for mounting the second sealing piece 7; the second sealing piece 7 is provided with a sealing channel 72, which is correspondingly arranged with the second interface 52 of the plug-in piece 5 and used for passing the cable.

[0052] Further, the second sealing piece 7 is also made of silica gel material and has good elasticity and sealing performance, improving the waterproof sealing effect. The sealing channel 72 is arranged to enable the cable to pass through smoothly and ensure that the sealing performance is not affected. It should be noted that the specific structure of the sealing channel 72 arranged on the sealing piece belongs to the prior art, and will not be described here in detail, as long as it can realize the effect of ensuring that the cable can pass through smoothly while ensuring that the sealing performance is not affected.

[0053] The outer wall surface of the second sealing member 7 is provided with a second protrusion 71, which is arranged to improve the stability of the connection between the second sealing member 7, the third shell 3 and the second shell 2, and to increase the safety and stability during use.

[0054] It can be understood that the same or similar parts in the above embodiments can be mutually referenced, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0055] In the description of the present application, it should be pointed out that, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the directions or position relations indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the indicated devices or elements to have a specific direction, to be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0056] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0057] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "one example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0058] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A waterproof connector characterized by comprising: The application relates to a copper needle connector, which comprises a first shell, a second shell, copper needles, an insert and a cable, the first shell is detachably connected with the second shell, the copper needles are arranged in the first shell and are used for being welded with PCB boards, the insert is arranged in the second shell and is arranged in one-to-one correspondence with the copper needles, and the insert is used for establishing electrical connection between the copper needles and the cable.

2. A waterproof connector according to claim 1, wherein The copper needle comprises a first conductive terminal and a second conductive terminal, the diameter of the first conductive terminal is larger than that of the second conductive terminal, the first conductive terminal and the second conductive terminal are arranged in correspondence with the insert, and the first conductive terminal and the second conductive terminal are used for transmitting different intensity of current.

3. A waterproof connector according to claim 1, wherein The second shell is embedded in the first shell, the first shell is provided with a first clamping groove, the second shell is provided with an elastic clamping piece, the elastic clamping piece is provided with a first clamping block, the first clamping block is clamped and matched with the first clamping groove, and external force drives the free end of the elastic clamping piece to make the first clamping block separate from or enter the first clamping groove.

4. A waterproof connector according to claim 2, wherein A first sealing piece is arranged between the embedded surfaces of the first shell and the second shell.

5. A waterproof connector according to claim 4, wherein The application further relates to a pressing piece, which is arranged between the embedded surfaces of the first shell and the second shell and has a matching inclined surface in contact with the first sealing piece.

6. A waterproof connector according to claim 5, wherein The first shell is provided with a second clamping groove, the pressing piece is provided with a second clamping block, the second clamping block is clamped and matched with the second clamping groove, and the pressing piece and the first sealing piece are fixed.

7. A waterproof connector according to claim 1, wherein The copper needle is of an L-shaped structure, a vertical section of the copper needle is connected with a first interface of the insert and extends to the outside of the first shell, and a horizontal section of the copper needle is welded with a PCB board.

8. The waterproof connector according to claim 1, wherein The application further relates to a third shell and a second sealing piece, the third shell is provided with a third clamping groove, the lower part of the second shell is provided with a third clamping block, the third clamping block is clamped and matched with the third clamping groove to form a containing cavity for mounting the second sealing piece, the second sealing piece is provided with a sealing channel corresponding to a second interface of the insert, and the cable is sealed through the sealing channel.

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