CN209981634U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN209981634U CN209981634U CN201921301462.1U CN201921301462U CN209981634U CN 209981634 U CN209981634 U CN 209981634U CN 201921301462 U CN201921301462 U CN 201921301462U CN 209981634 U CN209981634 U CN 209981634U
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- pair
- electrical connector
- lower body
- terminal
- transverse direction
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- 239000002184 metal Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005253 cladding Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 239000012634 fragment Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides an electric connector, it includes insulator, is fixed in a plurality of conductive terminals in the insulator, snap close piece and cladding in the outer casing that shields of insulator, conductive terminal includes first terminal group and the second terminal group that is two rows of settings along the direction of height, insulator include the base, assemble extremely the last body and the lower body of base, first terminal group and second terminal group inlay respectively and are fixed in last body and lower body in to form last terminal assembly and lower terminal assembly, the snap close piece has and is located a pair of hasp arm of conductive terminal both sides in the transverse direction and extend and will along the transverse direction crossbeam that a pair of hasp arm links to each other, the snap close piece still have certainly a pair of convex part that the crossbeam extends formation forward, a pair of convex part sets up and stretches into along the transverse direction interval go up, lock close piece is in, The lower body is formed into a slot. The utility model discloses electric connector has good high frequency characteristic.
Description
Technical Field
The utility model relates to an electric connector.
Background
With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.
This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.
The existing USB Type-C plug connector generally comprises an upper end sub-module, a central shielding piece, a lower end sub-module, an insulating body, a lower shielding plate, an upper shielding plate and a shielding shell, wherein the lower end sub-module comprises a lower insulating piece and a plurality of lower conductive terminals embedded and formed with the lower insulating piece, the upper end sub-module comprises an upper insulating piece and a plurality of upper conductive terminals embedded and formed with the upper insulating piece, the central shielding piece is clamped between the lower end sub-module and the upper end sub-module, the lower end sub-module and the upper end sub-module are installed in the insulating body, the lower shielding plate and the upper shielding plate are respectively arranged on the bottom surface and the surface of the insulating body, and the shielding shell covers the insulating body. The conventional central shield has, among other things, a limited shielding capability, which in turn results in a limited high frequency performance of the plug connector.
In view of the above, there is a need for an improved electrical connector to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric connector with good high frequency characteristic.
In order to achieve the above object, the present invention provides an electrical connector, which has an insulator, a plurality of conductive terminals, a locking element and a covering part in the insulator, wherein the shielding part is outside the insulator, the conductive terminals include a first terminal group and a second terminal group which are arranged in two rows along a height direction, the insulator includes a base, an assembly to an upper body and a lower body of the base, the first terminal group and the second terminal group are embedded and fixed in the upper body and the lower body respectively to form an upper terminal assembly and a lower terminal assembly, the locking element has a pair of locking arms located at two sides of the conductive terminals in a transverse direction and a cross beam connected with the pair of locking arms and extending along the transverse direction, the locking element further has a pair of convex parts formed by extending the cross beam forwards, the pair of convex parts are arranged along the transverse direction at intervals and extend forwards to the upper part, The lower body is formed into a slot.
As a further improvement of the present invention, the upper and lower bodies have a joining section located at the front side and an extending section located at the rear side, the joining section of the upper and lower bodies is stacked along the height direction, and the extending section of the upper and lower bodies is disposed along the height direction at an interval so as to form an accommodating space between the upper and lower bodies.
As a further improvement of the present invention, the upper and lower bodies each further have a pair of slots formed by recessing forward from the rear surface of the joining section thereof, and the upper body is a pair of the slots are aligned and linked together with the corresponding slots of the lower body along the height direction to accommodate the convex portions together.
As a further improvement of the present invention, each of the convex portions has a width in the transverse direction ranging from 0.7 mm to 1.27 mm.
As a further improvement of the present invention, each of the convex portions has a length in the front-rear direction smaller than 1.5 times a width in the lateral direction.
As a further improvement of the present invention, the upper and lower bodies further have a positioning structure located between the pair of convex portions along the transverse direction, the positioning structure includes at least one positioning protrusion and a positioning groove in interference fit with the positioning protrusion.
As a further improvement of the present invention, each of the latch arms has a latch protrusion and a protruding portion formed by protruding toward the other latch arm, and the protruding portion is located between the latch protrusion and the cross beam and abuts against the base inward in the front-rear direction.
As a further improvement of the utility model, the crossbeam clamp is arranged in order to be positioned between the extension section of upper and lower body in accommodating space, the joint section with be formed with the backstop face between the extension section, with the front side of crossbeam is kept out to it.
As a further improvement of the present invention, the extension sections of the upper and lower bodies have receiving portions located at the rear ends thereof, and the thickness of the receiving portions in the height direction is smaller than the thickness of the extension section at the front side thereof in the height direction.
As a further improvement of the present invention, the electrical connector further has a pair of metal spring pieces disposed between the insulating housing and the shielding housing, each metal spring piece has a base piece attached to the outside of the insulating housing, a rear end of the base piece is folded forward to extend the inner supporting spring piece and extends backward to support the spring piece and the butt the outer supporting spring piece of the shielding housing.
The utility model has the advantages that: the utility model discloses electric connector has good high frequency characteristic, can transmit high frequency signal better.
Drawings
Fig. 1 is a perspective assembly view of the electric connector of the present invention.
Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.
Fig. 3 is a partially exploded view of the electrical connector shown in fig. 1.
Fig. 4 is a further exploded view of the electrical connector shown in fig. 3.
Fig. 5 is a partial assembled view of the electrical connector of fig. 4 with the shield shell removed.
Fig. 6 is a further assembled view of the electrical connector shown in fig. 5.
Fig. 7 is a cross-sectional view of the electrical connector shown in fig. 1.
Fig. 8 is a cross-sectional view of the electrical connector of fig. 1 with the shutter housing removed.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.
Referring to fig. 1 to 8, in order to illustrate a preferred embodiment of the electrical connector 100 of the present invention, the electrical connector 100 includes an insulating housing 1, a plurality of conductive terminals 2 fixed in the insulating housing 1, a locking member 3, a shielding shell 4 covering the insulating housing 1, and a pair of metal elastic pieces 5 disposed between the insulating housing 1 and the shielding shell 4.
As shown in fig. 3 to 8, the insulation body 1 has a base 11 disposed in an oval column shape, a plugging space 110 for the plug-in connector to be plugged in forward or backward is formed inside the base 11, and a plurality of terminal slots 111 are formed in a front portion of the base 11. In this embodiment, the insulative housing 1 further includes an upper body 12 and a lower body 13 assembled into the base 11, the upper body 12 and the lower body 13 are stacked and assembled together along a height direction of the electrical connector 100 and then inserted into the base 11, the base 11 has a top wall 112 and a bottom wall 113 oppositely disposed along the height direction, and the top and bottom walls 112, 113 extend rearward beyond rear end faces of the upper and lower bodies 12, 13.
The outer surfaces of the top wall 112 and the bottom wall 113 are respectively provided with an accommodating area 114 formed by sinking towards the direction of the inserting space 110 and a plurality of accommodating holes 115 formed by penetrating, the accommodating areas 114 are respectively arranged by being opened upwards or downwards to accommodate the metal elastic sheet 5, and the accommodating holes 115 are respectively communicated with the accommodating areas 114 on the same side. The top wall 112 and the bottom wall 113 are respectively provided with a pair of combining holes 116 disposed oppositely and located at two sides of the corresponding accommodating region 114.
The base 11 further has a pair of side walls 117 connecting the top wall and the bottom wall, and the terminal groove 111 does not penetrate through the top wall 112 and the bottom wall 113 in the height direction, that is, the conductive terminals 2 are not exposed outside the top wall 112 or the bottom wall 113 when viewed from the upper side or the lower side, so that no insulating mylar is required to be used on the upper side and the lower side of the base 11, the number of parts is reduced, the manufacturing cost of the product is reduced, the assembly process of the product is also reduced, the assembly of the product is simpler and more convenient, and the production efficiency of the product is effectively improved.
The two sides of the base 11 are respectively provided with a slot 1171 formed by penetrating the corresponding side wall 117, and a pair of the slots 1171 are respectively opened laterally and outwards and formed by extending from the rear surface of the base 11 to the front in a concave manner, and are transversely communicated with the plugging space 110 at the two sides of the base 11.
The upper and lower bodies 12, 13 each have a coupling section 121, 131 at the front side and an extension section 122, 132 at the rear side, the coupling sections 121, 131 of the upper and lower bodies 12, 13 are stacked in the height direction, and the extension sections 122, 132 of the upper and lower bodies 12, 13 are spaced apart in the height direction to form an accommodating space 120 therebetween.
Each of the upper and lower bodies 12, 13 further has a pair of insertion grooves 133 formed by being recessed forward from the rear surface of the coupling sections 121, 131 thereof, and the pair of insertion grooves (not shown) of the upper body 12 is aligned in the height direction and communicates with the corresponding insertion grooves 133 of the lower body 13.
In addition, the upper and lower bodies 12, 13 further have positioning structures assembled and fixed with each other, and the positioning structures include at least one positioning protrusion 124, 134 and a positioning groove 135 in interference fit with the positioning protrusion 124, 134. In the present embodiment, the upper body 12 and the lower body 13 are provided with one positioning protrusion 124, 134 and one positioning groove 135.
The conductive terminals 2 include a first terminal group 21 and a second terminal group 22 which are arranged in two rows along the height direction, the first terminal group 21 and the second terminal group 22 are arranged correspondingly and reversely, and are consistent with the standard USB Type C terminal arrangement. The first terminal set 21 and the second terminal set 22 are embedded and fixed in the upper body 12 and the lower body 13, respectively, to form an upper terminal assembly and a lower terminal assembly.
In this embodiment, the first terminal set 21 and the second terminal set 22 both have twelve conductive terminals, which are respectively, in sequence: a first ground terminal (Gnd), a first pair of high-speed signal terminals (TX1+ -, differential signal terminals for transmitting high-speed signals), a first Power terminal (Power/VBUS), a function detection terminal (CC 1) for detecting the function of forward and reverse insertion and recognizing the function of CABLE), a pair of low-speed signal terminals (D + -, differential signal terminals for transmitting low-speed signals), an extension terminal (SBU1, which can be defined as other uses), a second Power terminal (Power/VBUS), a second pair of high-speed signal terminals (RX2+ -, differential signal terminals for transmitting high-speed signals), and a second ground terminal (Gnd), and the signal terminals (function detection terminal, low-speed signal terminals, and extension terminal) between the two Power terminals can be set according to the application requirements.
The conductive terminals 2 in the first terminal set 21 and the corresponding conductive terminals 2 in the second terminal set 22 are arranged in a mirror image. Each of the conductive terminals 2 has an elastic contact arm 201 protruding into the insertion space 110, a holding portion 202 fixed in the upper body 12 or the lower body 13, and a tail portion 203 extending rearward from the holding portion 202 and protruding out of the insulating body 1, wherein the contact arms 201 are arranged in two rows opposite to each other on the upper side and the lower side of the insertion space 110. In the present embodiment, the contact arms 201 protrude upward or downward into the plugging space 110, and have contact portions 2011 at free ends thereof, and the contact portions 2011 protrude toward the corresponding contact arms 201 in the other row.
The latch member 3 is made of metal, in this embodiment, the latch member 3 has a pair of latch arms 31 located at two sides of the conductive terminal 2 in the transverse direction and a cross beam 32 extending in the transverse direction and connecting the latch arms 31, and further, the latch member 3 further has a pair of protrusions 33 extending forward from the front end of the cross beam 31, and the protrusions 33 are disposed at intervals in the transverse direction and extend forward into the slots formed in the upper and lower bodies 12 and 13. After the upper and lower terminal assemblies are assembled with each other and inserted into the base 11, the locking piece 3 is inserted into the base 11 from the rear to the front.
The pair of slots 123 of the upper body 12 is communicated with the corresponding slots 133 of the lower body 13 to jointly receive the corresponding protrusions 33, and the positioning structure of the upper and lower bodies 12, 13 is located between the pair of protrusions 33 along the transverse direction. Specifically, in the present invention, the width of each of the convex portions 33 in the transverse direction ranges from 0.7 mm to 1.27 mm, so that the electrical connector 100 has good high-frequency performance. Each of the convex portions 33 has a length in the front-rear direction smaller than 1.5 times its width in the lateral direction.
Each of the latch arms 31 has a latch protrusion 311 and a protrusion 312 protruding toward the other latch arm 31, and the protrusion 312 is located between the latch protrusion 311 and the beam 32 in the front-back direction and abuts against the base 11 inward.
The cross beam 32 is sandwiched between the extension sections 122, 132 of the upper and lower bodies 12, 13 to be positioned in the receiving space 120, and a stop surface 1310 is formed between the combining sections 121, 131 and the extension sections 122, 132 to stop the cross beam 32 at the front side thereof.
The extension sections 122, 132 of the upper and lower bodies 12, 13 have receiving portions 1221, 1321 at the rear ends thereof, and the thickness of the receiving portions 1221, 1321 in the height direction is smaller than the thickness of the extension sections 122, 132 at the front sides thereof in the height direction.
The latch member 3 further has a solder foot 34 extending from the beam 32 to the rear surface of the housing 1 for soldering to a circuit board (not shown), so that the latch member 3 has a grounding effect.
The front end of the shielding shell 4 is provided with an oval butt joint frame port which is consistent with a butt joint frame port of a standard USB Type-C plug connector, and the butt joint frame port is used for being matched with the positive and negative insertion of the butt joint socket connector and has the advantage of convenience in use due to the fact that the positive and negative insertion is applicable.
The utility model discloses in, each metal shrapnel 5 have attached in the substrate 51 in the insulator 1 outside, certainly the rear end of substrate 51 turns over the interior of rolling over the extension forward and supports shell fragment 53 and extend backward with the butt cover shell body 4's outer support shell fragment 54, interior support shell fragment 53 towards the inside arch of grafting space 110 and go out, the rear end of outer butt shell fragment 54 is the free end, and its rear end has the orientation and is close to cover shell body 4's trend.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. An electric connector is provided with an insulating body, a plurality of conductive terminals fixed in the insulating body, a locking piece and a shielding shell coated outside the insulating body, wherein each conductive terminal comprises a first terminal group and a second terminal group which are arranged in two rows along the height direction, the insulating body comprises a base, an upper body and a lower body which are assembled on the base, the first terminal group and the second terminal group are respectively embedded and fixed in the upper body and the lower body to form an upper terminal assembly and a lower terminal assembly, the locking piece is provided with a pair of locking arms which are positioned on two sides of the conductive terminals in the transverse direction and a cross beam which extends along the transverse direction and connects the pair of locking arms, and the electric connector is characterized in that: the locking fastener is also provided with a pair of convex parts which are formed by extending forwards from the cross beam, and the convex parts are arranged at intervals along the transverse direction and extend forwards into the slots formed by the upper body and the lower body.
2. The electrical connector of claim 1, wherein: the upper body and the lower body are respectively provided with a combination section positioned on the front side and an extension section positioned on the rear side, the combination sections of the upper body and the lower body are stacked along the height direction, and the extension sections of the upper body and the lower body are arranged at intervals along the height direction to form an accommodating space between the extension sections and the lower body.
3. The electrical connector of claim 2, wherein: the upper body and the lower body are respectively provided with a pair of slots formed by forward sinking from the rear surface of the combining section, and the slots of the upper body and the corresponding slots of the lower body are aligned and communicated along the height direction so as to jointly accommodate the convex parts.
4. The electrical connector of claim 3, wherein: the width of each of the projections in the transverse direction ranges from 0.7 mm to 1.27 mm.
5. The electrical connector of claim 4, wherein: the length of each of the projections in the front-rear direction is less than 1.5 times the width thereof in the lateral direction.
6. The electrical connector of claim 2, wherein: the upper body and the lower body are also provided with a positioning structure which is positioned between the pair of convex parts along the transverse direction, and the positioning structure comprises at least one positioning lug and a positioning groove which is in interference fit with the positioning lug.
7. The electrical connector of claim 2, wherein: each lock catch arm is provided with a lock catch protrusion and a protruding part which are formed by protruding towards the other lock catch arm, and the protruding part is located between the lock catch protrusion and the cross beam and is abutted against the base towards the inner side in the front-back direction.
8. The electrical connector of claim 2, wherein: the beam is clamped between the extension sections of the upper body and the lower body so as to be positioned in the accommodating space, and a stop surface is formed between the combining section and the extension section so as to be stopped at the front side of the beam.
9. The electrical connector of claim 8, wherein: the extension sections of the upper and lower bodies are provided with bearing parts positioned at the rear ends of the extension sections, and the thickness of the bearing parts in the height direction is smaller than that of the extension sections at the front sides of the extension parts in the height direction.
10. The electrical connector of claim 1, wherein: the electric connector is also provided with a pair of metal elastic sheets arranged between the insulating body and the shielding shell, and each metal elastic sheet is provided with a substrate attached to the outer side of the insulating body, an inner abutting elastic sheet which is folded and extended forwards from the rear end of the substrate and an outer abutting elastic sheet which is extended backwards to abut against the shielding shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301462.1U CN209981634U (en) | 2019-08-12 | 2019-08-12 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301462.1U CN209981634U (en) | 2019-08-12 | 2019-08-12 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981634U true CN209981634U (en) | 2020-01-21 |
Family
ID=69251580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301462.1U Active CN209981634U (en) | 2019-08-12 | 2019-08-12 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230283025A1 (en) * | 2022-03-02 | 2023-09-07 | Cheng Uei Precision Industry Co., Ltd. | Electrical connector |
-
2019
- 2019-08-12 CN CN201921301462.1U patent/CN209981634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230283025A1 (en) * | 2022-03-02 | 2023-09-07 | Cheng Uei Precision Industry Co., Ltd. | Electrical connector |
| US12249796B2 (en) * | 2022-03-02 | 2025-03-11 | Cheng Uei Precision Industry Co., Ltd. | Electrical connector |
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