阅读说明：本技术 电连接器 (Electrical connector ) 是由 尹婷婷 徐国峻 彭彬 朱建矿 于 2020-04-15 设计创作，主要内容包括：一种电连接器,其包括本体及安装于本体的若干端子,端子包括第一端子组及第二端子组,每一端子包括用来固定在本体的固定部、自固定部向前延伸的接触部及自固定部向后延伸的接脚,所述本体设有后壁面及贯穿后壁面的若干固定槽,端子的固定部一一固定在对应的固定槽内,所述接脚自后壁面向后延伸出。电连接器进一步包括防水盖板及防水胶板,防水盖板覆盖在后壁面之对应第一端子组的接脚处,防水胶板注入且覆盖在后壁面之对应第二端子组的接脚处,以密封第二端子组与其对应固定槽之间的缝隙。本发明电连接器的后壁面设有防水盖板及防水胶板,能将不同类型的端子接脚密封,实现良好的防水功能。(The utility model provides an electric connector, its includes the body and installs in a plurality of terminals of body, and the terminal includes first terminal group and second terminal group, and each terminal is including being used for fixing the fixed part at the body, the contact site that extends forward from the fixed part and the pin that extends backward from the fixed part, the body is equipped with the back wall and runs through a plurality of fixed slots of back wall, and the fixed part one-to-one of terminal is fixed in the fixed slot that corresponds, the pin extends backward from the back wall. The electric connector further comprises a waterproof cover plate and a waterproof rubber plate, wherein the waterproof cover plate covers the pin positions of the rear wall surface corresponding to the first terminal group, and the waterproof rubber plate is injected into and covers the pin positions of the rear wall surface corresponding to the second terminal group so as to seal gaps between the second terminal group and the corresponding fixing grooves. The rear wall surface of the electric connector is provided with the waterproof cover plate and the waterproof rubber plate, so that different types of terminal pins can be sealed, and a good waterproof function is realized.)

1. An electric connector comprises a body and a plurality of terminals arranged on the body, wherein each terminal comprises a first terminal group and a second terminal group, each terminal comprises a fixing part fixed on the body, a contact part extending forwards from the fixing part and a pin extending backwards from the fixing part, the body is provided with a rear wall surface and a plurality of fixing grooves penetrating through the rear wall surface, the fixing parts of the terminals are fixed in the corresponding fixing grooves one by one, and the pins extend backwards from the rear wall surface; the method is characterized in that: the electric connector further comprises a waterproof cover plate and a waterproof rubber plate, wherein the waterproof cover plate covers the pin of the rear wall surface corresponding to the first terminal group; and the waterproof glue is injected and covers the pin of the back wall surface corresponding to the second terminal group so as to seal the gap between the second terminal group and the corresponding fixing groove.

2. The electrical connector of claim 1, wherein: the first terminal group is a power supply terminal, the second terminal group is a signal terminal, and the size of the power supply terminal is larger than that of the signal terminal.

3. The electrical connector of claim 1, wherein: the second terminal group is including being a plurality of terminal of a row of range, first terminal group includes a plurality of terminal and is located the peripheral side of second terminal group, waterproof apron has a breach, the breach is in order to supply the pin of second terminal group passes.

4. The electrical connector of claim 1, wherein: the back wall of body is equipped with the depressed area, the pin of second terminal group passes the depressed area, waterproof offset plate is injected into by glue the depressed area recooling and formation.

5. The electrical connector of claim 4, wherein: the signal terminal includes the laminating portion of buckling and extending from the fixed part, the pin is buckled and is extended from the laminating portion, the laminating of laminating portion is in the interior bottom surface of depressed part, first distance has between the top surface of laminating face and the spaced top surface, first distance is greater than 0.5 millimeter.

6. The electrical connector of claim 1, wherein: the second terminal group comprises two rows of signal terminals, a partition wall is formed between adjacent terminals in the same arrangement, and the partition wall is higher than the rear wall surface of the side.

7. The electrical connector of claim 6, wherein: the glue is injected from a position between the two rows of the signal terminals.

8. The electrical connector of claim 1, wherein: the fixing part of each terminal in the second terminal group is in hard interference fit with the fixing groove.

9. The electrical connector of claim 1, wherein: the body is provided with a drainage hole at a contact part communicated with the terminals of the first terminal group, and the drainage hole is positioned in front of the front wall surface of the body.

10. The electrical connector of claim 1, wherein: the body comprises a front wall ring, a butt joint column and a rear wall ring, wherein the butt joint column and the rear wall ring are positioned in the front wall ring, a ring groove is formed between the front wall ring and the butt joint column, the butt joint part is provided with terminal grooves which are connected with the fixing grooves one by one, and the contact part is accommodated in the terminal groove; the waterproof cover plate and the waterproof rubber plate are positioned in the containing cavity limited by the rear wall ring and the rear wall surface.

[ technical field ] A method for producing a semiconductor device

The invention relates to an electric connector which has a waterproof function.

[ background of the invention ]

Chinese patent No. CN207925721U discloses a power connector, which includes an insulating housing and a terminal mounted on the insulating housing. The insulating body is provided with a columnar bearing part and an annular accommodating groove positioned on the outer side of the bearing part, the bearing part is provided with a butt joint surface, and the bearing part is provided with a lengthwise power supply terminal groove and a pinhole-shaped signal terminal groove; the signal terminal groove is positioned on two sides of the power supply terminal groove, and the terminals comprise power supply terminals positioned in the power supply terminal groove and signal terminals positioned in the signal terminal groove. The power connector is simple in structure and good in electrical property, water is easy to accumulate in the connector, and the waterproof effect is not good.

It is therefore desirable to design an improved electrical connector that overcomes the above-mentioned deficiencies.

[ summary of the invention ]

The present invention is directed to an electrical connector with improved waterproof effect.

In order to solve the above problems, the present invention can adopt the following technical scheme: an electric connector comprises a body and a plurality of terminals arranged on the body, wherein each terminal comprises a first terminal group and a second terminal group, each terminal comprises a fixing part fixed on the body, a contact part extending forwards from the fixing part and a pin extending backwards from the fixing part, the body is provided with a rear wall surface and a plurality of fixing grooves penetrating through the rear wall surface, the fixing parts of the terminals are fixed in the corresponding fixing grooves one by one, and the pins extend backwards from the rear wall surface; the electric connector further comprises a waterproof cover plate and a waterproof rubber plate, wherein the waterproof cover plate covers the pin of the rear wall surface corresponding to the first terminal group; the waterproof rubber plate is injected and covers the pin of the rear wall surface corresponding to the second terminal group so as to seal a gap between the second terminal group and the corresponding fixing groove.

Compared with the prior art, the rear wall surface of the electric connector is provided with the waterproof cover plate and the waterproof rubber plate, so that different types of terminal pins can be sealed, and a good waterproof function is realized.

[ description of the drawings ]

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is a perspective view of fig. 1 from another angle.

Fig. 3 is a perspective view of fig. 2 with the waterproof rubber sheet removed.

Fig. 4 is a perspective view of a cut-away portion of the electrical connector of fig. 3.

Fig. 5 is an enlarged view of the portion indicated by a circle in fig. 4.

Fig. 6 is a cross-sectional view of fig. 2 along the dashed line a-a.

Fig. 7 is a cross-sectional view of fig. 2 along the dashed line B-B.

Fig. 8 is an exploded perspective view of the electrical connector of the present invention, wherein the waterproof cover plate and the waterproof rubber plate are not shown.

Fig. 9 is an exploded perspective view of fig. 8 from another angle.

Fig. 10 is a perspective view of a waterproof cover plate.

[ description of element symbols ]

Attaching portion 222 of receiving cavity 15 of electrical connector 100

Pin 23 of recess 16 of main body 10

Front wall 101 spacer 161 first terminal set 20P

Rear wall 102 and front flange 17 second terminal set 20S

Terminal pieces 201 and 202 of concave hole 171 of front wall ring 11

Butt-joint column 12 bolt 18 terminal pieces 203, 204

Terminal groove 121 terminal 20 waterproof cover plate 30

Fixing groove 122 fixing part 21 notch 31

Waterproof rubber plate 40 for contact part 22 of rear wall ring 13

Groove 14 resilient arm 221 first distance L

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

Referring to fig. 1 to 10, an electrical connector 100 for transmitting power and signals is disclosed.

Referring to fig. 8-10, the electrical connector 100 includes a body 10, a terminal 20 mounted on the body, and a waterproof structure, wherein the body 10 is made of an insulating material, and the terminal 2 is made of a conductive metal material. The terminals are substantially identical in structure, and each terminal 20 includes a fixing portion 21 for being fixed to the body, a contact portion 22 extending forward from the fixing portion, and a pin 23 extending rearward from the fixing portion. The terminals 20 include a first terminal group 20P and a second terminal group 20S, the first terminal group is a power terminal, the second terminal group is a signal terminal, and the size of the power terminal is larger than that of the signal terminal, so that a large current can be transmitted. The second terminal group 20S includes a plurality of terminals arranged in a row, and the first terminal group includes a plurality of terminals and is located on a peripheral side of the second terminal group. As can be seen from the drawing, in the embodiment, the terminals include three sets of first terminal sets and two sets of second terminal sets, each second terminal set 20S includes a plurality of terminals arranged in a row, the two second terminal sets 20S are arranged at left and right intervals, each signal terminal includes two independent terminal pieces 201 and 202, the terminal pieces are symmetrically arranged face to face, the fixing portions and the contact portions are spaced apart from each other, and the pins abut against each other to connect the circuit board or the cable externally. The first terminal group 20P includes three power terminals and is located at the peripheral side of the signal terminals, each power terminal includes two independent terminal pieces 203, 204, the contact portion, the fixing portion, and the pins are all spaced apart from each other, wherein each contact portion includes two elastic arms 221 extending from the fixing portion, the distance of the two elastic arms along the butt joint direction is different, the elastic arms of the terminal pieces 203, 204 of each power terminal are close to each other face to face, but the length of each elastic arm is complementary to each other. The body is provided with a front flange 17, and a pair of bolts 18 are fixed in the concave holes 171 provided in the front flange 17 from the rear to the front for fixing the mating connector. As described herein, the front side is opposite to the docking connector, and the rear side is opposite to the docking connector.

Referring to fig. 4, the body 10 includes a front wall ring 11, a docking post 12 located in the front wall ring 11, and a rear wall ring 13, wherein an annular groove 14 is formed between the front wall ring 11 and the docking post 12, and an accommodating cavity 15 is formed in the rear wall ring 13. The body 10 has a front wall 101 and a rear wall 102 opposite to each other, the docking post 12 has a terminal slot 121 penetrating the front and rear walls, and a fixing slot 122 fixed to the fixing portion 21 one by one, as shown in fig. 7, the fixing slot 122 penetrates the rear wall 102 backward, and the fixing portion 21 forms a hard interference fit with the fixing slot 122 by means of the barbs, thereby fixing the terminal in the body 10. The contact portion 22 is received in the terminal groove 121 and can be shifted. The rear wall 102 and the rear wall ring 13 form the receiving chamber 15. The pins 23 of the terminals extend rearward from the rear wall 102 and pass through the receiving cavities 15.

With reference to fig. 2-5, the electrical connector 100 further includes a waterproof cover 30 and a waterproof glue plate 40, the waterproof cover 30 covers the rear wall 102 at the locations corresponding to the pins 23 of the first terminal set 20P, the waterproof glue plate is injected and covers the rear wall 102 at the locations corresponding to the pins 23 of the second terminal set 20S to seal the gaps between the second terminal set 20S and the corresponding securing slots 122, the first terminal set 20P is located at the periphery of the second terminal set 20S, the waterproof cover 30 has a notch 31 for the pins 23 of the second terminal set 20S to pass through, the waterproof cover 30 is first installed in the receiving cavity 15, and then the waterproof glue plate 40 is formed by injecting glue to enhance the holding force between the waterproof cover and the waterproof glue plate and the holding force between the waterproof cover and the rear wall 102, the rear wall 102 of the body is provided with a recessed area 16 surrounding the second terminal set, the second terminal set 23 passes through the recessed area 16, in the recessed area, as shown in fig. 4-7, the signal terminals formed between adjacent signal terminals 16 extend from the recessed area 35161 to the space 161, and the signal terminals are bent from the top surface 161 of the space 161, and the signal terminals are bent to the space 161, the signal terminals 222, the signal terminals are formed by a distance equal to no more than the distance equal to the distance equal to the distance equal to.

In other embodiments, the body is provided with a drainage hole at the contact portion 22 communicating with the power terminals of the first terminal group 20P, the drainage hole being located in front of the front wall surface of the body, and a drainage function can be implemented for the power terminals.

The above-described embodiments are presently preferred, but not necessarily all, embodiments of the invention. Any equivalent variations of the technical solutions of the present invention that a person of ordinary skill in the art would take upon reading the present specification are covered by the claims of the present invention.