CN209896318U - Miniature waterproof connector - Google Patents
Miniature waterproof connector Download PDFInfo
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- CN209896318U CN209896318U CN201920853390.5U CN201920853390U CN209896318U CN 209896318 U CN209896318 U CN 209896318U CN 201920853390 U CN201920853390 U CN 201920853390U CN 209896318 U CN209896318 U CN 209896318U
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Abstract
The utility model discloses a micro waterproof connector, which comprises a male head and a female head; the male head comprises a male head lead connecting sleeve, a connector male head shell, an elastic waterproof gasket and an elastic conductive groove, wherein a port of the male head lead connecting sleeve is matched with the connector male head shell to realize the connection of a male head lead connector and the connector male head shell, and the elastic conductive groove is arranged on the inner wall of the connector male head shell; female head includes female first wire adapter sleeve, the female first casing of connector and the electrically conductive core of rigidity, the port and the female first casing cooperation of connector of female first wire adapter sleeve realize female first wire connector and the female first casing of connector be connected, the electrically conductive core of rigidity is installed at the female first casing center axis position of connector. The problem of current small-size connector sealing performance poor is solved.
Description
Technical Field
The invention relates to an electric connector, in particular to a miniature waterproof connector.
Background
In recent 20 years, the social and economic construction of China has been rapidly promoted, and various household appliances and electric equipment come out endlessly. Most devices rely on a power cord for plug and play, and some devices require two wires to be connected, so that connectors become an essential part. The connector for the electric wire should have the characteristics of firm connection, small volume and the like, and should have excellent waterproof performance for indoor use so as to ensure the personal safety of users. At present, the common waterproof connector on the market mainly combines a threaded connection and a waterproof sealing ring to achieve the function of connecting and waterproofing. There are also direct plug-in connections and rubber mat combinations. But the size of the connector which is tightly connected and has better waterproof performance is larger. The demand for miniature waterproof connectors is increasing in the ever-increasing market for electronic appliances.
Disclosure of Invention
The invention aims to provide a miniature waterproof connector, which is used for solving the problem of poor sealing performance of the existing small-size connector.
In order to solve the technical problems, the invention adopts the following technical scheme:
a miniature waterproof connector comprises a male head and a female head;
the male head comprises a male head lead connecting sleeve, a connector male head shell, an elastic waterproof gasket and an elastic conductive groove, wherein a port of the male head lead connecting sleeve is matched with the connector male head shell to realize the connection of a male head lead connector and the connector male head shell, and the elastic conductive groove is arranged on the inner wall of the connector male head shell;
female head includes female first wire adapter sleeve, the female first casing of connector and the electrically conductive core of rigidity, the port and the female first casing cooperation of connector of female first wire adapter sleeve realize female first wire connector and the female first casing of connector be connected, the electrically conductive core of rigidity is installed at the female first casing center axis position of connector.
Preferably, the connector further comprises a double male head; the double male heads comprise double male head lead connecting sleeves, connector male head shells, elastic waterproof gaskets and elastic conductive grooves, the two ends of the double male head lead connecting sleeves are connected with one set of connector male head shell, one set of elastic waterproof gasket and one set of elastic conductive groove, and the two ends of the double male heads can be in plug-in fit with the female heads.
Preferably, the connector further comprises a double female head; the double female heads comprise double female head lead connecting sleeves, connector female head shells and rigid conductive cores, the two ends of the double female head lead connecting sleeves are connected with one connector female head shell and the rigid conductive cores, and the two ends of the double female heads can be in plug-in fit with the male heads.
Preferably, the male lead connecting sleeve of the male connector is sleeved outside the lead metal core to realize the connection with the male connector shell of the connector.
Preferably, the male connector shell of the male connector is of a hollow structure, one end of the male connector shell is provided with a connector matched with the male connector lead connecting sleeve, the connector is uniformly provided with a first circular ring bulge, the other end of the male connector shell is of a columnar structure, and the columnar structure is provided with an elastic waterproof gasket limiting groove for installing an elastic waterproof gasket; the elastic conductive groove is arranged on the inner wall of the columnar structure and is an annular metal sheet, and the elastic conductive groove has gripping force when being opened.
Preferably, the elastic waterproof gasket main body of the male connector is a cylindrical ring, the inner diameter of the ring is matched with the elastic waterproof gasket limiting groove on the connector male connector shell, and an annular bulge is arranged on the outer surface of the cylindrical ring.
Preferably, the female lead connecting sleeve of the female lead is sleeved outside the lead metal core to realize the connection with the connector female shell.
Preferably, the female first casing of connector of above-mentioned female head is the cavity casing, and one end has with female first wire adapter sleeve complex interface, evenly set up the protruding two of ring on the interface, the other end is the columnar structure, the internal diameter of columnar structure and the protruding external diameter cooperation of the annular on the waterproof gasket of elasticity of public head for realize that the connector is sealed.
Preferably, one end of the rigid conductive core of the female head is fixedly connected with the metal core of the lead, and the head of the other end of the rigid conductive core of the female head is sharpened and is inserted into the elastic conductive groove of the male head.
Preferably, the elastic conductive slot of the male connector and the rigid conductive core of the female connector are good electric conductors.
The invention has the following advantages:
after the design of the invention is adopted, the purpose of reducing the size of the connector and simultaneously enhancing the sealing performance of the connector is realized, the practicability and the reliability of the product are improved, and the invention has the following advantages:
1. the cross section of each part of the invention is round, the production is easy through the injection molding process, the production cost is reduced, and the invention is suitable for mass production.
2. The connector adopts an annular nested structure, so that the outer diameter of the connector is not more than 8mm, and the connector is suitable for connecting electronic devices in a small space.
3. The matching tightness degree of the sealing structure can be adjusted according to the waterproof grade, and the requirements of different application environments can be met.
Drawings
FIG. 1 is a front view and a sectional view A-A of a male connector with a conductive wire core according to an embodiment of the present invention;
FIG. 2 is an assembly view of an embodiment of a male leadwire core of a miniature waterproof connector according to the present invention;
FIG. 3 is a front view and a sectional view A-A of an embodiment of a metal core with a conducting wire for a female connector of a waterproof micro connector according to the present invention;
FIG. 4 is an assembly view of an embodiment of a female leadwire core of a miniature waterproof connector according to the present invention;
FIG. 5 is an assembly view of an embodiment of a miniature waterproof connector of the present invention;
in the figure: 1. a male head; 2. a female head; 3. a male lead connecting sleeve; 4. a connector male housing; 5. an elastic waterproof gasket; 6. an elastic conductive slot; 7. a female lead connecting sleeve; 8. a connector female housing; 9. a rigid conductive core; 10. a wire metal core; 12. the circular ring is protruded I; 13. A columnar structure; 14. an elastic waterproof gasket limiting groove; 15. an annular protrusion of the elastic waterproof gasket; 16. and a second circular ring bulge.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial changes in the technical contents.
Example 1
A miniature waterproof connector comprises a male head 1 and a female head 2;
referring to fig. 1-2, the male connector 1 includes a male connector wire connecting sleeve 3, a connector male housing 4, an elastic waterproof gasket 5 and an elastic conductive groove 6, a port of the male connector wire connecting sleeve 3 is matched with the connector male housing 4 to realize connection between the male connector wire connecting sleeve 3 and the connector male housing 4, and the elastic conductive groove 6 is installed on an inner wall of the connector male housing 4; the male lead connecting sleeve 3 of the male lead 1 is sleeved outside the lead metal core 10 to realize the connection with the male shell 4 of the connector; the connector male head shell 4 of the male head 1 is of a hollow structure, one end of the connector male head shell is provided with a port 11 matched with the male head lead connecting sleeve 3, the port 11 is uniformly provided with a circular ring bulge I12, the other end of the connector male head shell is of a columnar structure 13, and the columnar structure 13 is provided with an elastic waterproof gasket limiting groove 14 for mounting an elastic waterproof gasket 5; the elastic conductive groove 6 is arranged on the inner wall of the columnar structure 13, the elastic conductive groove 6 is an annular metal sheet, the material is preferably steel, and the elastic conductive groove 6 has a gripping force when being stretched; the main body of the elastic waterproof gasket 5 of the male head 1 is a cylindrical ring, the inner diameter of the ring is matched with the elastic waterproof gasket limiting groove 14 on the male head shell 4 of the connector, and the outer surface of the cylindrical ring is provided with an annular bulge 15.
Referring to fig. 3-4, the female connector 2 includes a female connector wire connecting sleeve 7, a connector female housing 8 and a rigid conductive core 9, a port of the female connector wire connecting sleeve 7 is matched with the connector female housing 8 to realize connection between the female connector wire connecting sleeve 7 and the connector female housing 8, and the rigid conductive core 9 is installed at a central axis position of the connector female housing 8; the female lead connecting sleeve 7 of the female lead 2 is sleeved outside the lead metal core 10 to realize the connection with the female shell 8 of the connector; the connector female head shell 8 of the female head 2 is a hollow shell, one end of the connector female head shell is provided with a connector matched with the female head lead connecting sleeve 7, the connector is uniformly provided with a second annular bulge 16, the other end of the connector female head shell is of a columnar structure, and the inner diameter of the columnar structure is matched with the outer diameter of an annular bulge 15 on the elastic waterproof gasket 5 of the male head 1 to realize connector sealing; one end of a rigid conductive core 9 of the female head 2 is fixedly connected with the metal core of the lead, the head part of the other end of the rigid conductive core is chamfered and is used for being inserted into the elastic conductive groove 6 of the male head, and the rigid conductive core 9 is preferably made of steel.
In specific implementation, the connector further comprises a double male head; the double male heads comprise double male head lead connecting sleeves, male connector housings 4, elastic waterproof gaskets 5 and elastic conductive grooves 6, the two ends of the double male head lead connecting sleeves are connected with the male connector housings 4, the elastic waterproof gaskets 5 and the elastic conductive grooves 6, and the two male heads can be connected with the female heads 2 in a plugging and matching mode.
In specific implementation, the connector further comprises double female heads; the double female heads comprise double female head lead connecting sleeves, female connector shell bodies 8 and rigid conductive cores 9, the two ends of the double female head lead connecting sleeves are connected with the female connector shell bodies 8 and the rigid conductive cores 9, and the two ends of the double female heads can be in plug-in fit with the male heads 1.
In a specific implementation, the elastic conductive slot 6 of the male head 1 and the rigid conductive core 9 of the female head 2 are good electrical conductors.
When the connector male head is implemented specifically, the wire metal core 10 is a pure copper or nickel-plated copper wire; the male lead connecting sleeve 3 is made of plastic, rubber, silica gel and the like for coating the metal core part of the lead; the materials of the interface parts of the male lead connecting sleeve 3 and the male shell 4 of the connector are selected from PC, nylon, resin and the like; the male connector shell 4 is made of a base material with higher hardness, such as plastic, resin and the like; the female lead connecting sleeve 7 is made of plastic, rubber, silica gel and the like for coating the metal core part of the lead; the material of the interface part of the female lead connecting sleeve 7 and the female connector shell 8 is PC, nylon, resin and the like; the connector female housing 8 is made of a base material with high hardness, such as plastic, resin and the like; the elastic waterproof gasket is made of elastic materials such as silica gel and rubber. In specific implementation, the same material is preferably used for producing a plurality of parts for reducing the production cost.
In specific implementation, the relationship between the outer diameter of the annular protrusion 15 of the elastic waterproof gasket and the female connector housing 8 is as follows: the outer diameter of the annular bulge 15 is W1, the inner diameter of the connector female head shell 8 is W2, and the inner diameter is more than or equal to 0.03 [ (W1-W2)/W1 ]]2Less than or equal to 0.05, and can obtain better sealing effect.
Referring to fig. 5, during specific use, the male head 1 and the female head 2 are oppositely inserted to realize the sealing connection of the wires, at the moment, the outer diameter of the annular bulge 15 of the elastic waterproof gasket is matched with the female head shell 8 of the connector to realize sealing, the rigid conductive core 9 is inserted into the elastic conductive groove 6, and the electric connection of the wires is realized.
Example 2
Embodiment 2 is different from embodiment 1 in that the connector male housing 4 and the elastic waterproof gasket 5 of the male 1 are integrally processed to reduce the production cost.
Example 3
Example 4
Example 4 differs from example 1 in that the outer diameter of the rigid conductive core 9 and the inner diameter of the elastic conductive groove 6 satisfy the following relationship: assuming that the outer diameter of the rigid conductive core 9 is W1 and the inner diameter of the elastic conductive groove 6 is W2, it is 0.03. ltoreq. W1-W22/W2≤0.04。
Example 5
The invention realizes the purpose of enhancing the sealing performance of the connector while reducing the size of the connector, improves the practicability and reliability of the product, has round sections of all parts, is easy to produce by an injection molding process, reduces the production cost, and is suitable for mass production; the invention adopts a single-core structure, so that the outer diameter of the connector is not more than 8mm, and the connector is suitable for connecting electronic devices in smaller space; the matching tightness degree of the sealing structure can be adjusted according to the waterproof grade, and the requirements of different application environments can be met.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A miniature waterproof connector which characterized in that: the connector comprises a male head (1) and a female head (2);
the male head (1) comprises a male head lead connecting sleeve (3), a connector male head shell (4), an elastic waterproof gasket (5) and an elastic conductive groove (6), wherein a port of the male head lead connecting sleeve (3) is matched with the connector male head shell (4) to realize the connection of the male head lead connecting sleeve (3) and the connector male head shell (4);
female head (2) are including female first wire adapter sleeve (7), female first casing of connector (8) and rigidity conductive core (9), the port and the female first casing of connector (8) cooperation of female first wire adapter sleeve (7) realize female first wire adapter sleeve (7) and the female first casing of connector (8) be connected.
2. The miniature watertight connector according to claim 1, wherein said connector further comprises a double male head; the double male heads comprise double male head lead connecting sleeves, connector male head shells (4), elastic waterproof gaskets (5) and elastic conductive grooves (6), the two ends of the double male head lead connecting sleeves are connected with one set of connector male head shells (4), elastic waterproof gaskets (5) and elastic conductive grooves (6), and the two male head ends can be in plug-in fit with the female heads (2).
3. A miniature watertight connector according to claim 1, characterized in that: the connector also comprises double female heads; two female heads include two female head wire adapter sleeves, female first casing of connector (8) and rigidity conductive core (9), and one set of female first casing of connector (8) and rigidity conductive core (9) are all connected at the both ends of two female head wire adapter sleeves, and two female first both ends all can realize the cooperation of pegging graft with public head (1).
4. A miniature watertight connector according to claim 1, characterized in that: public first wire adapter sleeve (3) of public head (1) cover outside wire metal core (10), realize being connected with public first casing of connector (4), install at public first casing of connector (4) inner wall in the electrically conductive groove of elasticity (6) of public head (1).
5. The miniature watertight connector according to claim 4, wherein: the connector male head shell (4) of the male head (1) is of a hollow structure, one end of the connector male head shell is provided with a connector (11) matched with the male head lead connecting sleeve (3), the connector (11) is uniformly provided with a circular ring bulge I (12), the other end of the connector male head shell is of a columnar structure (13), and the columnar structure (13) is provided with an elastic waterproof gasket limiting groove (14) for mounting an elastic waterproof gasket (5); the elastic conductive groove (6) is arranged on the inner wall of the columnar structure (13), the elastic conductive groove (6) is an annular metal sheet, and the elastic conductive groove (6) has gripping force when being stretched.
6. The miniature watertight connector according to claim 5, wherein: the waterproof gasket of elasticity (5) main part of public head (1) is the cylindrical ring, and the ring internal diameter matches with waterproof gasket spacing groove of elasticity (14) on public head casing (4) of connector, and the surface of cylindrical ring is equipped with annular arch (15).
7. A miniature watertight connector according to claim 1, characterized in that: female first wire adapter sleeve (7) of female head (2) cover outside wire metal core (10), realize being connected with female first casing of connector (8), the axis position is installed in female first casing of connector (8) in rigidity conductive core (9).
8. A miniature watertight connector according to claim 7, wherein: female first casing (8) of connector of female (2) are the cavity casing, and one end has the interface with female first wire adapter sleeve (7) complex, evenly set up protruding two (16) of ring on the interface, the other end is the column structure, the internal diameter of column structure and the external diameter cooperation of the protruding (15) of annular on the waterproof gasket of elasticity (5) of public head (1) for it is sealed to realize the connector.
9. A miniature watertight connector according to claim 1, characterized in that: one end of a rigid conductive core (9) of the female head (2) is fixedly connected with the metal core of the lead, and the head part of the other end of the rigid conductive core is provided with a chamfer angle for inserting into the elastic conductive groove (6) of the male head.
10. A miniature watertight connector according to claim 1, characterized in that: the elastic conductive groove (6) of the male head (1) and the rigid conductive core (9) of the female head (2) are good electric conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853390.5U CN209896318U (en) | 2019-06-06 | 2019-06-06 | Miniature waterproof connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853390.5U CN209896318U (en) | 2019-06-06 | 2019-06-06 | Miniature waterproof connector |
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| CN209896318U true CN209896318U (en) | 2020-01-03 |
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| CN201920853390.5U Active CN209896318U (en) | 2019-06-06 | 2019-06-06 | Miniature waterproof connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821125A (en) * | 2020-12-30 | 2021-05-18 | 苏州信音汽车电子有限公司 | Miniature waterproof connector with self-locking function |
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2019
- 2019-06-06 CN CN201920853390.5U patent/CN209896318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821125A (en) * | 2020-12-30 | 2021-05-18 | 苏州信音汽车电子有限公司 | Miniature waterproof connector with self-locking function |
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