Female end connector

Abstract

The utility model provides a female end connector which comprises a shell, a first inner cavity, a second inner cavity and a tail card are arranged in the shell, a signal terminal is arranged in the first inner cavity, the shell is further provided with a first mounting port and a first connecting port corresponding to the first inner cavity, and a power supply terminal is arranged in the second inner cavity. The shell is further provided with a second mounting port and a second connecting port corresponding to the second inner cavity, the signal terminal and the power terminal are provided with a first sealing plug and a second sealing plug respectively, the first sealing plug is used for forming a first mounting port side seal with the first inner cavity, and the second sealing plug is used for forming a second mounting port side seal with the second inner cavity. The tail card is clamped on the end face, corresponding to the first installation port and the second installation port, of the shell, and the tail card can form abutting limiting with the signal terminal and the power supply terminal. Aiming at the defects in the prior art, the utility model provides the female end connector which meets the requirements of signal and electric connection, dust prevention, water prevention and shock prevention.

Description

Technical Field

[0001] The utility model relates to a female end connector. Background Art

[0002] A connector is a device used to establish a current or signal connection between two active devices. There are generally two connectors, divided into a female connector and a male connector. The signal or electrical connection between the two corresponding devices is established through the plug-in coupling between the male connector and the female connector. The female connector generally includes a shell, and the shell is provided with an inner cavity, an installation port, and a connection port. The inner cavity is for accommodating terminals, and the installation port and the connection port are used to establish a connection between the inner cavity and the outside, and the installation port and the connection port are respectively used for installing the terminals in the inner cavity and forming a connection with the male connector. In actual use, some customers will require a single connector to achieve both signal and electrical connections, and on this basis, the connector also needs to meet the requirements of dustproof, waterproof and shockproof. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a female connector that meets the requirements of signal and electrical connection and dustproof, waterproof and shockproof.

[0004] To achieve the above-mentioned purpose, the utility model provides a female connector, including a shell, wherein a first inner cavity, a second inner cavity and a tail card are provided in the shell, a signal terminal is provided in the first inner cavity, and the shell is also provided with a first mounting port and a first connection port corresponding to the first inner cavity, respectively used for installing the terminal therein and connecting to the outside, a power terminal is provided in the second inner cavity, and the shell is also provided with a second mounting port and a second connection port corresponding to the second inner cavity, respectively used for installing the terminal therein and connecting to the outside, a first sealing plug and a second sealing plug are respectively provided on the signal terminal and the power terminal, the first sealing plug is used to form a seal on the first mounting port side with the first inner cavity, and the second sealing plug is used to form a seal on the second mounting port side with the second inner cavity, the tail card is mounted at the end faces of the shell corresponding to the first mounting port and the second mounting port, and the tail card can form abutment limit with the signal terminal and the power terminal.

[0005] The advantage of adopting the above technical solution is: by setting the first inner cavity, the second inner cavity and the tail card in the shell, the first inner cavity and the second inner cavity are respectively used for the installation of the signal terminal and the power terminal, and the installation port and the connection port are respectively set corresponding to the first inner cavity and the second inner cavity, and then the first sealing plug and the second sealing plug are respectively set on the signal terminal and the power terminal, and the first sealing plug and the second sealing plug are used to form seals at the corresponding connection ports of the first inner cavity and the second inner cavity respectively, and finally a tail card is set to be mounted on the shell, and the tail card is used to form abutment limit for the signal terminal and the power terminal, and the first sealing plug and the second sealing plug are used to ensure that the connector is dustproof and waterproof, and then the abutment limit of the tail card is used to prevent vibration from dislodging and ensure stability.

[0006] The utility model can be further configured as follows: the first sealing plug is connected to the rear end of the signal terminal, the first sealing plug is made of elastic material, and the first sealing plug is provided with a first wire passing hole and a first annular protrusion, the first wire passing hole is for the external wire harness to pass through, and the first annular protrusion is multiple and all are gradually reduced in size toward the first connection port.

[0007] Through further arrangements, a first wire passing hole and a first annular protrusion are arranged on the first sealing plug, and the first sealing plug is arranged to be composed of an elastic material. After installation, the wall surface of the first sealing plug can be elastically pressed against the wiring harness passing through the first wire passing hole and the inner wall of the first inner cavity that fits the first annular protrusion. The arrangement of several first annular protrusions that gradually become smaller toward the first connecting port can facilitate installation while the large end is pressed against the inner wall of the first inner cavity to ensure the strength of the connection.

[0008] The utility model can be further configured as follows: the first sealing plug includes a first limiting protrusion located at the front end, the signal terminal includes an arc-shaped first bottom and two first extensions located on both sides of the first bottom, the first bottom can fit between the first limiting protrusion and the first annular protrusion, and the two first extensions can be bent and closed to form a clamping connection with the first sealing plug.

[0009] Through further configuration, a first limiting protrusion is provided at the front end of the first sealing plug, and an arc-shaped first bottom and two first extensions located on both sides of the first bottom are provided on the signal terminal, so that the arc-shaped first bottom is fitted between the first limiting protrusion and the first annular protrusion to form front and rear limits, and after the signal terminal is installed, the first extension is bent and closed to form a clamping positioning for the first sealing plug.

[0010] The utility model can be further configured as follows: the second sealing plug is connected to the rear end of the power terminal, the second sealing plug is made of elastic material, and the second sealing plug is provided with a second wire passing hole and a second annular protrusion, the second wire passing hole is for the external wire harness to pass through, and the second annular protrusion is multiple and all are gradually reduced in size toward the second connection port.

[0011] Through further arrangements, a second wire passing hole and a second annular protrusion are arranged on the second sealing plug, and the second sealing plug is arranged to be made of elastic material. After installation, the wall surface of the second sealing plug can be elastically pressed against the wiring harness passing through the first wire passing hole and the inner wall of the second inner cavity that fits the second annular protrusion. The second annular protrusions are arranged in a number and gradually become smaller toward the second connecting port, which can facilitate installation while the large end is pressed against the inner wall of the second inner cavity to ensure the strength of the connection.

[0012] The utility model can be further configured as follows: the second sealing plug includes a second limiting protrusion located at the front end, the power terminal includes an arc-shaped second bottom and two second extensions located on both sides of the second bottom, the second bottom can fit between the second limiting protrusion and the second annular protrusion, and the two second extensions can be bent and closed to form a clamping connection with the second sealing plug.

[0013] Through further settings, a second limiting protrusion is set at the front end of the second sealing plug, and an arc-shaped second bottom and two second extensions on both sides of the second bottom are set on the signal terminal, so that the arc-shaped second bottom is fitted between the second limiting protrusion and the second annular protrusion to form front and rear limits, and after the power terminal is installed, the second extension is bent and closed to form a clamping positioning for the second sealing plug.

[0014] The utility model can be further configured as follows: the tail card includes a first abutment portion corresponding to the signal terminal, a second abutment portion corresponding to the power terminal, and buckles located on both sides, the first abutment portion extends into the first inner cavity and abuts against the first sealing plug, the second abutment portion extends into the second inner cavity and abuts against the second sealing plug, and the cross-sections of the first abutment portion and the second abutment portion are both arc-shaped, and the buckle portion is used to snap-fit ​​with the shell.

[0015] Through further configuration, a first abutting portion corresponding to the signal terminal, a second abutting portion corresponding to the power terminal and buckles located on both sides are provided on the tail card, and abutment limiting is formed for the signal terminal and the power terminal by respectively penetrating the first inner cavity and the second inner cavity, and the elastic setting of the first sealing plug and the second sealing plug is used to achieve a better shockproof effect, and the cross-sections of the first abutting portion and the second abutting portion are both arc-shaped, which can also limit the inserted wiring harness to achieve a better positioning effect, and finally the tail card and the shell are snap-fitted and positioned through the buckles.

[0016] The utility model can be further configured as follows: the shell includes ends corresponding to the first connection port and the second connection port and a rib arranged around the end, a slot is formed between the end and the rib, and a sealing ring located at the slot is sleeved on the end.

[0017] Through further configuration, a surrounding rib is provided at the end of the shell corresponding to the first connection port and the second connection port, so as to form a card groove between the end and the rib to ensure the connection strength with the male connector, and then a sealing ring is sleeved on the end at the card groove to form a seal at the connection with the male connector, and the connection strength of the two connectors can be strengthened by the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional embodiment of the utility model Figure 1 ;

[0019] Figure 2 A top view of an embodiment of the utility model;

[0020] Figure 3 For the utility model embodiment Figure 2 Sectional view at AA in the middle;

[0021] Figure 4 For the utility model embodiment Figure 2 Sectional view at the middle BB;

[0022] Figure 5 This is a schematic diagram of the structure of the signal terminal in the embodiment of the utility model;

[0023] Figure 6 This is a schematic diagram of the coordination of the signal terminal, the first sealing plug and the wiring harness in the embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the power terminal in the embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the coordination of the power terminal, the second sealing plug and the wiring harness in the embodiment of the utility model;

[0026] Fig. 9 This is a schematic diagram of the structure of the tail card in the embodiment of the utility model;

[0027] Fig.10 The three-dimensional embodiment of the utility model Figure 2 ;

[0028] Among them: shell 1; first inner cavity 11; second inner cavity 12; first installation port 13; first connection port 14; second installation port 15; second connection port 16; end 17; rib 18; tail card 2; first abutment portion 21; second abutment portion 22; buckle portion 23; signal terminal 3; first sealing plug 31; first wire hole 311; first annular protrusion 312; first limiting protrusion 313; first bottom 32; first extension portion 33; power terminal 4; second sealing plug 41; second wire hole 411; second annular protrusion 412; second limiting protrusion 413; second bottom 42; second extension portion 43; sealing ring 5. DETAILED DESCRIPTION

[0029] The utility model is a female connector. Figure 1-10 As shown: it includes a shell 1, the shell 1 is provided with a first inner cavity 11, a second inner cavity 12 and a tail card 2, the first inner cavity 11 is provided with a signal terminal 3, the shell 1 is also provided with a first mounting port 13 and a first connecting port 14 corresponding to the first inner cavity for mounting the terminal therein and connecting to the outside respectively, the second inner cavity 12 is provided with a power terminal 4, the shell 1 is also provided with a second mounting port 15 and a second connecting port 16 corresponding to the second inner cavity 12 for mounting the terminal therein and connecting to the outside respectively, the signal terminal 3 and the power terminal 4 are respectively provided with a first sealing plug 31 and a second sealing plug 41, the first sealing plug 31 is used to form a seal on the first mounting port side with the first inner cavity 11, the second sealing plug 41 is used to form a seal on the second mounting port side with the second inner cavity 12, the tail card 2 is clamped at the end faces of the shell 1 corresponding to the first mounting port and the second mounting port, and the tail card 2 can form abutment limit with the signal terminal 3 and the power terminal 4.

[0030] The first sealing plug 31 is connected to the rear end of the signal terminal 3. The first sealing plug 31 is made of elastic material, and is provided with a first wire hole 311 and a first annular protrusion 312. The first wire hole 311 is for the external wire harness to pass through, and there are several first annular protrusions 312, which are gradually reduced in size toward the first connection port 14.

[0031] The first sealing plug 31 includes a first limiting protrusion 313 located at the front end, and the signal terminal 3 includes an arc-shaped first bottom 32 and two first extension portions 33 located on both sides of the first bottom. The first bottom 32 can fit between the first limiting protrusion 313 and the first annular protrusion 312, and the two first extension portions 33 can be bent and closed to form a clamping connection with the first sealing plug 313.

[0032] The second sealing plug 41 is connected to the rear end of the power terminal 4. The second sealing plug 41 is made of elastic material, and is provided with a second wire hole 411 and a second annular protrusion 412. The second wire hole 411 is for the external wiring harness to pass through, and there are several second annular protrusions 412, which are gradually reduced in size toward the second connection port 16.

[0033] The second sealing plug 41 includes a second limiting protrusion 413 located at the front end, and the power terminal 4 includes an arc-shaped second bottom 42 and two second extension portions 43 located on both sides of the second bottom 42. The second bottom 42 can fit between the second limiting protrusion 413 and the second annular protrusion 412, and the two second extension portions 43 can be bent and closed to form a clamping connection with the second sealing plug 41.

[0034] The tail card 2 includes a first abutment portion 21 corresponding to the signal terminal 3, a second abutment portion 22 corresponding to the power terminal 4, and buckle portions 23 located on both sides. The first abutment portion 21 extends into the first inner cavity 11 and abuts and cooperates with the first sealing plug 31. The second abutment portion 22 extends into the second inner cavity 12 and abuts and cooperates with the second sealing plug 41. The cross-sections of the first abutment portion 21 and the second abutment portion 22 are both arc-shaped, and the buckle portion 23 is used to snap-fit ​​with the shell 1.

[0035] The housing 1 includes an end 17 corresponding to the first connection port 14 and the second connection port 16 and a rib 18 arranged around the end 17. A groove is formed between the end 17 and the rib 18, and a sealing ring 5 is sleeved on the end and located at the groove.

[0036] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A female connector, comprising a housing, characterized in that: The shell is provided with a first inner cavity, a second inner cavity and a tail card, the first inner cavity is provided with a signal terminal, the shell is also provided with a first installation port and a first connection port corresponding to the first inner cavity, which are respectively used for installing the terminal therein and connecting with the outside, the second inner cavity is provided with a power terminal, the shell is also provided with a second installation port and a second connection port corresponding to the second inner cavity, which are respectively used for installing the terminal therein and connecting with the outside, the signal terminal and the power terminal are respectively provided with a first sealing plug and a second sealing plug, the first sealing plug is used to form a seal on the first installation port side with the first inner cavity, and the second sealing plug is used to form a seal on the second installation port side with the second inner cavity, the tail card is mounted at the end faces of the shell corresponding to the first installation port and the second installation port, and the tail card can form abutment limit with the signal terminal and the power terminal.

2. The female connector according to claim 1, characterized in that: The first sealing plug is connected to the rear end of the signal terminal. The first sealing plug is made of elastic material and is provided with a first wire passing hole and a first annular protrusion. The first wire passing hole is for the external wire harness to pass through. There are several first annular protrusions and they are all gradually reduced in size toward the first connection port.

3. The female connector according to claim 2, characterized in that: The first sealing plug includes a first limiting protrusion located at the front end, and the signal terminal includes an arc-shaped first bottom and two first extensions located on both sides of the first bottom. The first bottom can fit between the first limiting protrusion and the first annular protrusion, and the two first extensions can be bent and closed to form a clamping connection with the first sealing plug.

4. The female connector according to claim 1, characterized in that: The second sealing plug is connected to the rear end of the power terminal. The second sealing plug is made of elastic material and is provided with a second wire passing hole and a second annular protrusion. The second wire passing hole is for the external wiring harness to pass through. There are several second annular protrusions and they are all arranged to gradually decrease in size toward the second connection port.

5. The female connector according to claim 4, characterized in that: The second sealing plug includes a second limiting protrusion located at the front end, and the power terminal includes an arc-shaped second bottom and two second extension parts located on both sides of the second bottom. The second bottom can fit between the second limiting protrusion and the second annular protrusion, and the two second extension parts can be bent and closed to form a clamping connection with the second sealing plug.

6. The female connector according to claim 1, characterized in that: The tail card includes a first abutment portion corresponding to the signal terminal, a second abutment portion corresponding to the power terminal, and buckles located on both sides. The first abutment portion extends into the first inner cavity and abuts against the first sealing plug, and the second abutment portion extends into the second inner cavity and abuts against the second sealing plug. The cross-sections of the first abutment portion and the second abutment portion are both arc-shaped, and the buckle portion is used to snap into place with the shell.

7. The female connector according to claim 1, characterized in that: The shell comprises ends corresponding to the first connection port and the second connection port and ribs arranged around the ends, a slot is formed between the ends and the ribs, and a sealing ring located at the slot is sleeved on the ends.

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