CN209200207U - A kind of RJ45 high speed connector - Google Patents
A kind of RJ45 high speed connector Download PDFInfo
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- CN209200207U CN209200207U CN201822026365.8U CN201822026365U CN209200207U CN 209200207 U CN209200207 U CN 209200207U CN 201822026365 U CN201822026365 U CN 201822026365U CN 209200207 U CN209200207 U CN 209200207U
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Abstract
The utility model discloses a kind of RJ45 high speed connectors, including plastic casing and metal shell, plastic casing is equipped with accommodation groove, pin modules are equipped in accommodation groove, pin modules have eight metal terminals, each metal terminal successively includes to slotting section, hold section, upper trisection, trisection and welding section afterwards, by the width for increasing Difference signal pair third terminal and the 6th terminal, and between first terminal and Second terminal, between forth terminal and the 5th terminal, it is respectively provided with the first intersection end and second between 7th terminal and the 8th terminal and intersects end, Second terminal, forth terminal and the fixing section of the 8th terminal are arranged with respect to other terminals in lower layer, pass through the dislocation up and down and cross arrangement between signal pair, make the fixing section of other terminals close to third terminal and the 6th terminal, upper trisection and rear trisection are far from third terminal and Six terminals, to reduce the influence to high-speed transfer such as return loss, characteristic impedance and crosstalk, structure is simple, at low cost.
Description
[technical field]
The utility model relates to a kind of RJ45 high speed connectors.
[background technique]
RJ45 connector is a kind of network connector, and the data transmission being widely used between network has eight
Signal terminal, wherein first terminal and Second terminal are a pair of of signal terminal, and third terminal and the 6th terminal are a pair of of signal end
Son, forth terminal and the 5th terminal are a pair of of signal terminal, and the 7th terminal and the 8th terminal are a pair of of signal terminal.In CAT-3
And in CAT-5 or more network, third terminal and the 6th terminal are used for transmission Difference signal pair.With mentioning for transmission speed and frequency
Height, return loss (rerurn loss), characteristic impedance (impendance) and crosstalk become the matter of utmost importance for limiting its development,
It is usual at present that the above problem is all optimized using three-stage design, i.e., using preceding preceding to slotting to interpolating unit, rear weld part and connection
The pcb board of portion and weld part composition.Wherein, preceding that half assembling part is used to interpolating unit, by the metal being electrically connected with external crystal head
Terminal and the plastic cement composition for holding the metal terminal；Weld part is also using half assembling part, by the motherboard with external host afterwards
The metal terminal of welding and the plastic cement composition for holding the metal terminal, are finally weldingly fixed on interpolating unit and rear weld part for preceding
Pcb board completes entire signal transmission module.The RJ45 connector of this structure, structure is complicated, and components are more, and manufacturing cost is high.
The utility model is namely based on what such case was made.
[utility model content]
The utility model aim is to overcome the deficiencies in the prior art, provide a kind of structure it is simple, it is easy to assembly, be produced into
This low RJ45 high speed connector.
The utility model is achieved through the following technical solutions:
A kind of RJ45 high speed connector, it is characterised in that: including the metal of plastic casing 1 and packet on the outside of plastic casing 1
Shell 2, the plastic casing 1 are equipped with accommodation groove 11, pin modules 3 are equipped in the accommodation groove 11, and the pin modules 3 are wrapped
Metal terminal and the plastic cement fixing base 5 for holding metal terminal are included, the metal terminal there are eight and on plastic cement fixing base 5
It is followed successively by first terminal 41, Second terminal 42, third terminal 43, forth terminal 44, the 5th terminal 45, the 6th terminal the 46, the 7th
Terminal 47 and the 8th terminal 48, each metal terminal successively include for moving back to slotting connection to slotting section 401, laterally
Hold section 402, the upper trisection 403 being folded up, the rear trisection 404 bent backward and the welding section bent down 405, described the
The width of the fixing section 402 of three terminals 43 and the 6th terminal 46, upper trisection 403 and rear trisection 404 is greater than first terminal 41, second
Terminal 42, forth terminal 44, the 5th terminal 45, the 7th terminal 47 and the corresponding fixing section 402 of the 8th terminal 48, upper trisection
403 and rear trisection 404 width, the fixing section 402 has two layers, the Second terminal 42, forth terminal 44 and the 8th terminal
48 fixing section 402 is located at lower layer, the first terminal 41, third terminal 43, the 5th terminal 45, the 6th terminal 46 and the 7th end
The fixing section 402 of son 47 is located at upper layer, fixing section 402, upper trisection 403 and the rear folding of the first terminal 41 and the 5th terminal 45
Section 404 is leaned in 43 side of third terminal respectively, fixing section 402, the upper trisection 403 of the Second terminal 42 and forth terminal 44
It is leaned on outside third terminal 43 respectively with rear trisection 404, fixing section 402, upper trisection 403 and the rear trisection of the 7th terminal 47
404 lean on outside the 6th terminal 46, and fixing section 402, upper trisection 403 and the rear trisection 404 of the 8th terminal 48 are toward the 6th end
Leaned in sub 46 sides, between the first terminal 41 and Second terminal 42, between forth terminal 44 and the 5th terminal 45, the 7th end
It is respectively provided with the first intersection end 406 and second between son 47 and the 8th terminal 48 and intersects end 407.
A kind of RJ45 high speed connector as described above, it is characterised in that: described first, which intersects end 406, is located at fixing section
Between 402, described second intersects end 407 between welding section 405.
A kind of RJ45 high speed connector as described above, it is characterised in that: the upper trisection 403 has front and back two layers, described
First terminal 41, Second terminal 42, forth terminal 44, the upper trisection 403 of the 5th terminal 45, the 7th terminal 47 and the 8th terminal 48
Positioned at front layer, the upper trisection 403 of the third terminal 43 and the 6th terminal 46 is located at rear layer.
A kind of RJ45 high speed connector as described above, it is characterised in that: trisection 404 has upper layer and lower layer after described, described
First terminal 41, Second terminal 42, forth terminal 44, the rear trisection 404 of the 5th terminal 45, the 7th terminal 47 and the 8th terminal 48
Positioned at upper layer, the rear trisection 404 of the third terminal 43 and the 6th terminal 46 is located at lower layer.
A kind of RJ45 high speed connector as described above, it is characterised in that: 44 phase of the Second terminal 42 and forth terminal
Symmetrical to third terminal 43, the first terminal 41 and the opposite third terminal 43 of the 5th terminal 45 are symmetrical, the 5th terminal 45
Symmetrical with opposite 6th terminal 46 of the 7th terminal 47, the forth terminal 44 and opposite 6th terminal 46 of the 8th terminal 48 are symmetrical.
A kind of RJ45 high speed connector as described above, it is characterised in that: be located at first terminal on the plastic cement fixing base 5
Between 41 and the fixing section 402 of Second terminal 42, between forth terminal 44 and the fixing section 402 of the 5th terminal 45, the 7th terminal
47 and the 8th terminal 48 fixing section 402 between be respectively equipped with the first thimble mouth 31.
A kind of RJ45 high speed connector as described above, it is characterised in that: be located at first terminal on the plastic cement fixing base 5
41, Second terminal 42, third terminal 43, forth terminal 44, the 5th terminal 45, the 6th terminal 46, the 7th terminal 47 and the 8th end
The second thimble mouth 32 is equipped between the rear trisection 404 of son 48.
A kind of RJ45 high speed connector as described above, it is characterised in that: it is horizontal that the plastic casing 1 is equipped with more than one
To the accommodation groove 11 and corresponding pin modules 3 of arrangement.
Compared with prior art, the utility model has the following advantages: by increasing Difference signal pair third terminal 43 and the
Dislocation up and down and cross arrangement between the width and signal pair of six terminals 46, and make close to third terminal 43 and the 6th end
The non-standard structure section of other terminals of son 46 such as holds section 402, upper trisection 403 far from third terminal 43 and the 6th terminal 46
With rear trisection 404, thus reduce return loss (rerurn loss), characteristic impedance (impendance) and crosstalk etc. to high speed
The influence of transmission makes the RJ45 connector meet the requirement of high-speed transfer, avoids the three stage structure connected using pcb board, knot
Structure is simple, and components are few, easy to assembly quick, reduces production cost.
[Detailed description of the invention]
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of explosion view of RJ45 high speed connector of the utility model；
Fig. 2 is the side view of metal terminal in the utility model；
Fig. 3 is the structural schematic diagram one of metal terminal in the utility model；
Fig. 4 is the structural schematic diagram two of metal terminal in the utility model；
Fig. 5 is the structural schematic diagram three of metal terminal in the utility model；
Fig. 6 is the rearview of metal terminal in the utility model；
Fig. 7 is the structural schematic diagram of pin modules in the utility model.
[specific embodiment]
The utility model is further described with reference to the accompanying drawing:
A kind of RJ45 high speed connector as shown in Figures 1 to 7, including plastic casing 1 and packet in 1 outside of plastic casing
Metal shell 2, the plastic casing 1 are equipped with accommodation groove 11, are equipped with pin modules 3, the contact pin mould in the accommodation groove 11
Block 3 includes metal terminal and the plastic cement fixing base 5 for holding metal terminal, and the metal terminal has eight and holds in plastic cement
Seat 5 on be followed successively by first terminal 41, Second terminal 42, third terminal 43, forth terminal 44, the 5th terminal 45, the 6th terminal 46,
7th terminal 47 and the 8th terminal 48.Such as Fig. 2, each metal terminal successively include for slotting connection to slotting section 401,
The fixing section 402 laterally moved back, the upper trisection 403 being folded up, the rear trisection 404 bent backward and the welding section bent down
405, slotting section 401 is used to weld with crystal head grafting, welding section 405 for insertion motherboard from top to bottom, the third end
The width of the fixing section 402 of son 43 and the 6th terminal 46, upper trisection 403 and rear trisection 404 is greater than first terminal 41, Second terminal
42, forth terminal 44, the 5th terminal 45, the 7th terminal 47 and the corresponding fixing section 402 of the 8th terminal 48,403 and of upper trisection
The width of trisection 404 afterwards, such as Fig. 2 to Fig. 5, the fixing section 402 has two layers, the Second terminal 42, forth terminal 44 and
The fixing section 402 of eight terminals 48 is located at lower layer, the first terminal 41, third terminal 43, the 5th terminal 45,46 and of the 6th terminal
The fixing section 402 of 7th terminal 47 is located at upper layer, fixing section 402, the upper trisection 403 of the first terminal 41 and the 5th terminal 45
Leaned in 43 side of third terminal respectively with rear trisection 404, the fixing section 402 of the Second terminal 42 and forth terminal 44, on
Trisection 403 and rear trisection 404 are leaned on outside third terminal 43 respectively, fixing section 402, the upper trisection 403 of the 7th terminal 47
It is leaned on outside the 6th terminal 46 with rear trisection 404, fixing section 402, upper trisection 403 and the rear trisection 404 of the 8th terminal 48
Leaned in 46 side of the 6th terminal, between the first terminal 41 and Second terminal 42, forth terminal 44 and the 5th terminal 45 it
Between, be respectively provided with the first intersection end 406 and second between the 7th terminal 47 and the 8th terminal 48 and intersect end 407.
It is wrong up and down between Difference signal pair third terminal 43 and the width and signal pair of the 6th terminal 46 by increasing
Position and cross arrangement, and make the nonstandard structural sections of other terminals close to third terminal 43 and the 6th terminal 46 far from third terminal
43 and the 6th terminal 46, section 402, upper trisection 403 and rear trisection 404 are such as held, to reduce return loss (rerurn
Loss), the influence to high-speed transfer such as characteristic impedance (impendance) and crosstalk makes the RJ45 connector meet high-speed transfer
Requirement, and structure is simple, and components are few, it is easy to assembly quickly, reduce production cost.
In order to simplify structure, described first, which intersects end 406, is located between fixing section 402, as Fig. 4, described second intersects end
407 between welding section 405, such as Fig. 6.
Such as Fig. 2 and Fig. 3, the upper trisection 403 has front and back two layers, the first terminal 41, Second terminal 42, forth terminal
44, the upper trisection 403 of the 5th terminal 45, the 7th terminal 47 and the 8th terminal 48 is located at front layer, the third terminal 43 and the 6th
The upper trisection 403 of terminal 46 is located at rear layer, further pulls open between third terminal 43 and the 6th terminal 46 and other metal terminals
Distance, further improve the electrical properties such as crosstalk of signal transmission.
Further to pull open third terminal 43 and the distance between the 6th terminal 46 and other metal terminals, the rear trisection
404 have upper layer and lower layer, the first terminal 41, Second terminal 42, forth terminal 44, the 5th terminal 45, the 7th terminal 47 and
The rear trisection 404 of eight terminals 48 is located at upper layer, and the rear trisection 404 of the third terminal 43 and the 6th terminal 46 is located at lower layer.
The Second terminal 42 and forth terminal 44 are symmetrical with respect to third terminal 43, the first terminal 41 and the 5th terminal
45 opposite third terminals 43 are symmetrical, and the 5th terminal 45 and opposite 6th terminal 46 of the 7th terminal 47 are symmetrical, the 4th end
Son 44 and opposite 6th terminal 46 of the 8th terminal 48 are symmetrical,
On the plastic cement fixing base 5 between first terminal 41 and the fixing section 402 of Second terminal 42, forth terminal 44
And the 5th terminal 45 fixing section 402 between, between the 7th terminal 47 and the fixing section 402 of the 8th terminal 48 be respectively equipped with first
Thimble mouth 31, by the first thimble mouth 31, such as Fig. 7, in plastic cement 5 injection molding of fixing base by first terminal 41, Second terminal
42, forth terminal 44, the 5th terminal 45, the 7th terminal 47 and the 8th terminal 48 position at fixing section 402, prevent metal terminal
Between draw close.
Further to position to the metal terminal in injection molding, such as Fig. 7 is located at the on the plastic cement fixing base 5
One terminal 41, Second terminal 42, third terminal 43, forth terminal 44, the 5th terminal 45, the 6th terminal 46,47 and of the 7th terminal
The second thimble mouth 32 is equipped between the rear trisection 404 of 8th terminal 48, it, can be simultaneously to eight metals by the second thimble mouth 32
Terminal is positioned in rear trisection 404, prevents the upper trisection 403 being folded up, rear trisection 404 and welding section 405 from metal occurs
Mutually drawing close between terminal.
According to the needs of usage scenario, the RJ45 high speed connector can be single jack connetor, be also possible to insert more
Mouth connector, corresponding, the plastic casing 1 is equipped with more than one transversely arranged accommodation groove 11 and corresponding pin modules
3。
The RJ45 high-speed connector structure is simple, uses after tested, can satisfy CAT-3, CAT-5, CAT-5E etc. or more
The demand of high-speed transfer avoids the three stage structure connected using pcb board, and components are few, and easy to assembly, production cost is low.
Claims (8)
1. a kind of RJ45 high speed connector, it is characterised in that: including plastic casing (1) and wrap the gold on the outside of plastic casing (1)
Belong to shell (2), the plastic casing (1) is equipped with accommodation groove (11), is equipped with pin modules (3) in the accommodation groove (11), institute
Stating pin modules (3) includes metal terminal and the plastic cement fixing base (5) for holding metal terminal, and the metal terminal has eight
And be followed successively by plastic cement fixing base (5) first terminal (41), Second terminal (42), third terminal (43), forth terminal (44),
5th terminal (45), the 6th terminal (46), the 7th terminal (47) and the 8th terminal (48), each metal terminal successively include
For to the fixing section (402) of slotting connection to slotting section (401), laterally moved back, the upper trisection (403) being folded up, backward curved
The rear trisection (404) of folding and the welding section (405) bent down, the fixing section of the third terminal (43) and the 6th terminal (46)
(402), the width of upper trisection (403) and rear trisection (404) is greater than first terminal (41), Second terminal (42), forth terminal
(44), the 5th terminal (45), the 7th terminal (47) and the corresponding fixing section (402) of the 8th terminal (48), upper trisection (403) and
The width of trisection (404) afterwards, the fixing section (402) have two layers, the Second terminal (42), forth terminal (44) and the 8th end
The fixing section (402) of sub (48) is located at lower layer, the first terminal (41), third terminal (43), the 5th terminal (45), the 6th end
The fixing section (402) of sub (46) and the 7th terminal (47) is located at upper layer, and the first terminal (41) and the 5th terminal (45) are consolidated
It holds section (402), upper trisection (403) and rear trisection (404) to lean in third terminal (43) side respectively, the Second terminal (42)
It is leaned on outside away from third terminal (43) respectively with the fixing section (402), upper trisection (403) and rear trisection (404) of forth terminal (44),
Fixing section (402), upper trisection (403) and the rear trisection (404) of 7th terminal (47) are leaned on outside away from the 6th terminal (46), institute
The fixing section (402), upper trisection (403) and rear trisection (404) for stating the 8th terminal (48) are leaned in the 6th terminal (46) side, institute
State between first terminal (41) and Second terminal (42), between forth terminal (44) and the 5th terminal (45), the 7th terminal (47)
And the 8th be respectively provided with the first intersection end (406) and second between terminal (48) and intersect end (407).
2. a kind of RJ45 high speed connector according to claim 1, it is characterised in that: described first intersects end (406) position
Between fixing section (402), described second, which intersects end (407), is located between welding section (405).
3. a kind of RJ45 high speed connector according to claim 1, it is characterised in that: the Second terminal (42) and the 4th
Symmetrically with respect to third terminal (43), the first terminal (41) and the 5th terminal (45) are right with respect to third terminal (43) for terminal (44)
Claim, the 5th terminal (45) and the 7th terminal (47) the 6th terminal (46) relatively symmetrically, the forth terminal (44) and the 8th
Terminal (48) is symmetrical with respect to the 6th terminal (46).
4. a kind of RJ45 high speed connector according to any one of claim 1 to 3, it is characterised in that: the upper trisection
(403) there is front and back two layers, the first terminal (41), Second terminal (42), forth terminal (44), the 5th terminal (45), the 7th
The upper trisection (403) of terminal (47) and the 8th terminal (48) is located at front layer, the third terminal (43) and the 6th terminal (46)
Upper trisection (403) is located at rear layer.
5. a kind of RJ45 high speed connector according to claim 4, it is characterised in that: there is up and down trisection (404) after described
Two layers, the first terminal (41), Second terminal (42), forth terminal (44), the 5th terminal (45), the 7th terminal (47) and
The rear trisection (404) of eight terminals (48) is located at upper layer, rear trisection (404) position of the third terminal (43) and the 6th terminal (46)
In lower layer.
6. a kind of RJ45 high speed connector according to claim 1, it is characterised in that: the plastic cement fixing base (5) is upper
Between first terminal (41) and the fixing section (402) of Second terminal (42), forth terminal (44) and the 5th terminal (45) consolidate
It holds between section (402), be respectively equipped with the first thimble mouth between the 7th terminal (47) and the fixing section (402) of the 8th terminal (48)
(31)。
7. a kind of RJ45 high speed connector according to claim 1, it is characterised in that: the plastic cement fixing base (5) is upper
In first terminal (41), Second terminal (42), third terminal (43), forth terminal (44), the 5th terminal (45), the 6th terminal
(46), the second thimble mouth (32) is equipped between the 7th terminal (47) and the rear trisection (404) of the 8th terminal (48).
8. a kind of RJ45 high speed connector according to claim 1, it is characterised in that: the plastic casing (1) is equipped with
More than one transversely arranged accommodation groove (11) and corresponding pin modules (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822026365.8U CN209200207U (en) | 2018-12-04 | 2018-12-04 | A kind of RJ45 high speed connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822026365.8U CN209200207U (en) | 2018-12-04 | 2018-12-04 | A kind of RJ45 high speed connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200207U true CN209200207U (en) | 2019-08-02 |
Family
ID=67427577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822026365.8U Active CN209200207U (en) | 2018-12-04 | 2018-12-04 | A kind of RJ45 high speed connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381244A (en) * | 2020-02-25 | 2021-09-10 | 杭州海康威视数字技术股份有限公司 | Net gape female terminal |
-
2018
- 2018-12-04 CN CN201822026365.8U patent/CN209200207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381244A (en) * | 2020-02-25 | 2021-09-10 | 杭州海康威视数字技术股份有限公司 | Net gape female terminal |
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