CN209526230U - Bayonet connector - Google Patents
Bayonet connector Download PDFInfo
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- CN209526230U CN209526230U CN201920339263.3U CN201920339263U CN209526230U CN 209526230 U CN209526230 U CN 209526230U CN 201920339263 U CN201920339263 U CN 201920339263U CN 209526230 U CN209526230 U CN 209526230U
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- terminal
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Abstract
The utility model embodiment discloses a kind of bayonet connector, including insulating body and the multiple terminals for being contained in insulating body, the inserting groove for being provided with terminal groove on insulating body and being connected to terminal groove, isolation part is provided between terminals of adjacent, terminal groove is formed between isolation part, wherein, multiple terminals include signal terminal and ground terminal, terminal groove includes the ground terminal pilot trench for accommodating the signal end pilot trench and receiving ground terminal of signal terminal, signal terminal includes at least one high-speed terminal pair, height of the height of isolation part between high-speed terminal pair lower than the isolation part between non-high-speed terminal.By the above-mentioned means, the utility model embodiment can effectively draw high the characteristic impedance of bonder terminal Yu electronic card golden finger contact area, improve the high frequency problem during high-speed transfer.
Description
Technical field
The utility model embodiment is related to technical field of electric connectors, more particularly to a kind of bayonet connector.
Background technique
Bayonet connector is a kind of electric connector for being commonly applied to computer hardware expansion, is generally used for grafting electronic card,
Electronic card may be memory, data card or wireless network card, mainly the signal is input to electronic card or by the letter of electronic card
Number output is to computer system.In bayonet connector, the signal terminal for usually having a pair of transmission high-frequency signal adjacent, and be somebody's turn to do
Characteristic impedance can be generated between adjacent signal terminals, the high-frequency signal that signal terminal transmits only under characteristic impedance appropriate is
Transmission can be stablized without generating distorted signals.
Due to the needs of electrical contact reliability, the width and length of general electronic card golden finger will be significantly greater than to be connect therewith
The characteristic impedance of the contact surface of the bonder terminal elastic slice of touching, high-frequency signal can dash forward in the region that golden finger is contacted with terminal elastic slice
So become very low, so that the matching of characteristic impedance is deteriorated, so as to cause the distortion of high frequency transmission signal.
Utility model content
The utility model embodiment, being capable of the effective company of drawing high mainly solving the technical problems that provide a kind of bayonet connector
The characteristic impedance of device terminal Yu electronic card golden finger contact area is connect, the high frequency problem during high-speed transfer is improved.
To achieve the above object, the technical solution that the utility model uses is: providing a kind of bayonet connector, is used for
Grafting electronic card, the bayonet connector include insulating body and the multiple terminals for being contained in the insulating body, the insulation
The inserting groove for being provided with terminal groove on ontology and being connected to the terminal groove, is provided with isolation part between terminals of adjacent, it is described every
From forming the terminal groove between portion, wherein the multiple terminal includes signal terminal and ground terminal, and the terminal groove includes
It accommodates the signal end pilot trench of the signal terminal and accommodates the ground terminal pilot trench of the ground terminal,
The signal terminal includes at least one high-speed terminal pair, and the height of the isolation part between the high-speed terminal pair is low
The height of isolation part between non-high-speed terminal.
In one embodiment, the signal terminal includes multiple high-speed terminals pair, is set between the multiple high-speed terminal pair
At least two ground terminals are equipped with, between at least one ground terminal and adjacent high-speed terminal close to the high-speed terminal pair
Isolation part height lower than the isolation part between adjacent ground terminal height.
In one embodiment, the signal terminal includes multiple high-speed terminals pair, is set between the multiple high-speed terminal pair
At least two ground terminals are equipped with, the isolation part between the ground terminal and adjacent high-speed terminal of the high-speed terminal pair
Height be below the height of the isolation part between adjacent ground terminal.
Optionally, the multiple terminal is divided into two rows and is arranged in the insulating body, and the terminal has contact portion, institute
The contact portion for stating multiple terminals is revealed in the inserting groove, and with the contact site of row's terminal in the same and inserting groove
Parallel plane；
Be inserted into the direction of the inserting groove along the electronic card, the electronic card simultaneously with the contact of the signal terminal
The contact of the contact portion of portion and the ground terminal, after the electronic card is inserted into the inserting groove, the electronic card is held on two
It arranges between isolation part.
In some embodiments, the direction of the inserting groove is inserted into along the electronic card, the insulating body is described
The front end of ground terminal pilot trench is provided with the boss extended into the inserting groove, and the height of the boss be less than it is higher every
Height from portion.
Optionally, the isolation part connection between the boss and adjacent ground terminal.
The utility model embodiment also provides a kind of bayonet connector, is used for grafting electronic card, the bayonet connector packet
Include insulating body and the multiple terminals for being contained in the insulating body, be provided on the insulating body terminal groove and with the end
The inserting groove of pilot trench connection, is provided with isolation part between terminals of adjacent, forms the terminal groove between the isolation part, wherein
The multiple terminal includes signal terminal and ground terminal, and the terminal groove includes the signal end pilot trench for accommodating the signal terminal
With the ground terminal pilot trench for accommodating the ground terminal,
The height of isolation part between at least one ground terminal and adjacent signal terminal is lower than between other terminals
The height of isolation part.
In one embodiment, the signal terminal includes multiple high-speed terminals pair, is set between the multiple high-speed terminal pair
At least two ground terminals are equipped with, the isolation part between the ground terminal and adjacent high-speed terminal of the high-speed terminal pair
Height lower than the isolation part between adjacent ground terminal height.
Optionally, the direction of the inserting groove is inserted into along the electronic card, the insulating body is in the ground terminal
The front end of slot is provided with the boss extended into the inserting groove, is not provided in the front end of the signal end pilot trench described convex
Platform.
Optionally, the boss is connect with the higher isolation part in ground terminal side.
The beneficial effect of the utility model embodiment is: it is in contrast to the prior art, the utility model embodiment
Bayonet connector includes insulating body and the multiple terminals for being contained in insulating body, is provided with terminal groove on insulating body, adjacent
It is provided with isolation part between terminal, forms terminal groove between isolation part, wherein multiple terminals include signal terminal and ground terminal
Son, signal terminal include at least one high-speed terminal pair, and the height of the isolation part between high-speed terminal pair is lower than non-high-speed terminal
Between the height of isolation part mould the part between high-speed terminal pair by selectively reducing the height of part isolation part
Glue is replaced by air, while increases the gap between electronic card golden finger and isolation part, can effectively draw high bonder terminal
With the characteristic impedance of electronic card golden finger contact area, improve the high frequency problem during high-speed transfer.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the bayonet connector of the utility model embodiment；
Fig. 2 is stereoscopic schematic diagram of the bayonet connector of the utility model embodiment under another visual angle；
Fig. 3 is the main view of the bayonet connector of the utility model embodiment；
Fig. 4 is the vertical cross-sectional of the bayonet connector of the utility model embodiment；
Fig. 5 is the transverse sectional view of the bayonet connector of the utility model embodiment；
Fig. 6 is the A partial enlarged view of transverse sectional view shown in fig. 5；
Fig. 7 is the stereoscopic schematic diagram of the bayonet connector of another embodiment of the utility model；
Fig. 8 is the transverse sectional view of the bayonet connector of another embodiment of the utility model；
Fig. 9 is the B partial enlarged view of transverse sectional view shown in Fig. 8.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term "vertical", "horizontal", "left" and "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification
"and/or" includes any and all combinations of one or more related listed items.
The utility model provides a kind of bayonet connector, for electronic card (not shown) to be electrically connected to circuit board (figure
Do not show), referring to Fig. 1, bayonet connector 10 includes insulating body 100 and the multiple terminals 200 for being contained in insulating body 100,
Terminal groove 110 and the inserting groove being connected to terminal groove 110 101 are provided on insulating body 100, a terminal groove 110 accommodates one end
Son 200, inserting groove 101 are used for grafting electronic card.
It is arranged in insulating body 100 as shown in Fig. 2, multiple terminals 200 divide for two rows, every row's terminal is along insulating body
100 longitudinally arrangement.
Wherein, as shown in figure 3, multiple terminals 200 include two class terminal of I, II (not indicating in Fig. 3 is II class terminal), I
Class terminal is the signal terminal for being used for transmission high-frequency signal, and II class terminal is the ground terminal for ground connection, correspondingly, terminal groove
110 include the signal end pilot trench of receiving signal terminal and the ground terminal pilot trench of receiving ground terminal.
In High Speed System, usually using the connector of differential signal, i.e. every two signal terminal forms a difference letter
Number terminal pair, every row's terminal include difference signal terminal to be located at difference signal terminal to the ground terminal of side.To improve
The transmission rate of signal, in practical applications, every row's terminal generally include multiple difference signal terminals to multiple ground terminals,
Difference signal terminal to and ground terminal be alternatively arranged, by ground connection electronics by difference signal terminal to separating to reach signal screen
The effect covered.
As shown in figure 4, terminal 200 has contact portion 201, the contact portion 201 of multiple terminals 200 is revealed in inserting groove
In 101, and it is located at the same plane parallel with inserting groove 101 with the contact portion 201 of row's terminal 200.For example, working as bayonet connector
When for flush deck socket, it is located in same level with the contact portion 201 for arranging terminal 200；When bayonet connector is vertical connection
When device, it is located on same vertical plane with the contact portion 201 for arranging terminal 200.
As shown in figure 5, signal terminal and ground terminal are not arranged in a staggered manner, the direction of inserting groove 101 is inserted into along electronic card,
Electronic card is contacted with the contact portion 201 of the contact portion 201 of signal terminal and ground terminal simultaneously.
Referring to Figure 6 together, it is provided with isolation part 120 between terminals of adjacent 200, forms terminal groove between isolation part 120
110, inserting groove is inserted into for separating adjacent terminal groove 110 or adjacent terminal 200, in electronic card in isolation part 120
After 101, the isolation part 120 that two rows are oppositely arranged is also used to grip electronic card.
Specifically, isolation part 120 includes the first isolation part 121 being set between signal terminal and signal terminal, setting
The second isolation part 122 between signal terminal and ground terminal, be set to third between ground terminal and ground terminal every
From portion 123.
Signal terminal includes at least one high-speed terminal to 210, and high-speed terminal is lower than the height of the isolation part between 210
The height of isolation part between non-high-speed terminal, then, the first isolation part 121 further include be set to high-speed terminal and high-speed terminal it
Between a kind of isolation part, and two class isolation parts being set between non-high-speed signal terminal and non-high-speed signal terminal, wherein
Height of the height of a kind of isolation part lower than two class isolation parts, the second isolation part 122 and third isolation part 123.
Due to air relative dielectric constant be less than insulating body 100 relative dielectric constant, and relative dielectric constant with
Capacitor is directly proportional, and after reducing high-speed terminal to the height of the isolation part between 210, high-speed terminal is to the part plastic cement between 210
It is replaced by air, so that high-speed terminal becomes smaller to the capacitor between 210.Again high-speed terminal to the characteristic impedance between 210 with
Becoming smaller for capacitor and increase, therefore reduce high-speed terminal to the height of the isolation part between 210, it is possible to increase high-speed terminal is to 210
Between characteristic impedance.
Meanwhile because isolation part height reduction, between the electronic card golden finger being connect with the high-speed terminal and isolation part
Gap increase, also correspond to part plastic cement and replaced by air, so that the characteristic impedance of electronic card golden finger area is also effective
Draw high, to guarantee the relatively stable of entire connection system high-frequency characteristic impedance, to meet the needs of high frequency signal transmission.
Signal terminal include multiple high-speed terminals to 210 when, multiple high-speed terminals are to being provided at least two between 210
At least one isolation part between ground terminal and adjacent high-speed terminal of the high-speed terminal to 210 is arranged in ground terminal
Height lower than the isolation part between adjacent ground terminal height, alternatively, being arranged close to high-speed terminal to 210 ground terminal
The height of the sub isolation part between adjacent high-speed terminal is below the height of the isolation part between adjacent ground terminal, makes
Characteristic impedance between ground terminal and adjacent high-speed terminal increases, to enhance the stability of transmitting high-frequency signal.
If the height of the isolation part between terminals of adjacent 200 is all reduced, it can not only make the integral strength of insulating body 100
It reduces, but also can make electronic card that can not influence in 10 use process of bayonet connector with the firm fixation of bayonet connector 10
Stability.For this purpose, height of the present embodiment by selectively reduction part isolation part, can improve 10 high speed of bayonet connector
High frequency problem in transmission process, and its normal use is not influenced.
As the alternative way of aforesaid way, also can be set at least one ground terminal and adjacent signal terminal it
Between isolation part height lower than the isolation part between other terminals height, also that is, at least one second isolation part 122 is arranged
Height be lower than the first isolation part 121 and third isolation part 123 height.
Signal terminal include multiple high-speed terminals to 210 when, similarly, multiple high-speed terminals are to being provided between 210
At least two ground terminals are arranged close to high-speed terminal to the isolation part between 210 ground terminal and adjacent high-speed terminal
Height be below the height of the isolation part between adjacent ground terminal.
The utility model embodiment also provides a kind of bayonet connector, referring to Fig. 7, bayonet connector 10B is vertical
Connector is also differ in that with above-described embodiment, along the direction of electronic card insertion inserting groove 101B, insulating body
100B is provided with the boss 130B extended into inserting groove 101B in the front end of ground terminal pilot trench, and the height of boss 130B does not surpass
Cross the height of higher isolation part, the setting of boss 130B can reinforced insulation ontology 100B integral strength.
As shown in Figure 8 and Figure 9, boss 130B is connect with the higher isolation part in ground terminal side, is continuously set in ground terminal
When setting at least two, isolation part 123B between boss 130B and adjacent ground terminal, i.e. third isolation part 123B connection.It is convex
Platform 130B is equipped with the inclined surface 131B for guiding electronic card to be inserted into, and in the present embodiment, boss 130B is in its inclined surface 131B
Joint face 132B is additionally provided between the 123B of isolation part, the height of joint face 132B and the height of isolation part 123B maintain an equal level,
In other embodiments, inclined surface 131B can also extend directly to isolation part 123B.
The front end of signal end pilot trench is not provided with the boss extended into inserting groove 101B, in the present embodiment, signal terminal
Isolation part 121B between the front end of slot and adjacent signal terminal, i.e. the first isolation part 121B are coplanar, are conducive to improve high frequency,
Certainly, in other embodiments, the front end of signal end pilot trench can be higher or lower than the isolation part between adjacent signal terminal
121B。
The bayonet connector 10 of the utility model embodiment includes insulating body 100 and is contained in the more of insulating body 100
A terminal 200 is provided with terminal groove 110 on insulating body 100, isolation part 120, isolation part is provided between terminals of adjacent 200
Terminal groove 110 is formed between 120, wherein multiple terminals 200 include signal terminal and ground terminal, and signal terminal includes at least
One high-speed terminal is to 210, and high-speed terminal is to the height of the isolation part between 210 lower than the isolation part between non-high-speed terminal
Highly, by selectively reducing the height of part isolation part, make high-speed terminal to the part plastic cement between 210 by air generation
It replaces, while increases the gap between electronic card golden finger and isolation part, can effectively draw high bonder terminal and electronic card gold
The characteristic impedance of finger contact area improves the high frequency problem during high-speed transfer.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the content of the present invention, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all to should belong to this practical new for all these modifications and variations
The protection scope of type appended claims.
Claims (10)
1. a kind of bayonet connector, is used for grafting electronic card, the bayonet connector includes insulating body and is contained in described exhausted
Multiple terminals of edge ontology, the inserting groove for being provided with terminal groove and being connected to the terminal groove on the insulating body, abutting end
It is provided with isolation part between son, forms the terminal groove between the isolation part, wherein the multiple terminal includes signal terminal
And ground terminal, the terminal groove include the signal end pilot trench for accommodating the signal terminal and the ground connection for accommodating the ground terminal
Terminal groove, which is characterized in that
The signal terminal includes at least one high-speed terminal pair, and the height of the isolation part between the high-speed terminal pair is lower than non-
The height of isolation part between high-speed terminal.
2. bayonet connector according to claim 1, which is characterized in that
The signal terminal includes multiple high-speed terminals pair, and at least two ground terminals are provided between the multiple high-speed terminal pair
The height of son, the isolation part between at least one ground terminal and adjacent high-speed terminal close to the high-speed terminal pair is lower than
The height of isolation part between adjacent ground terminal.
3. bayonet connector according to claim 1, which is characterized in that
The signal terminal includes multiple high-speed terminals pair, and at least two ground terminals are provided between the multiple high-speed terminal pair
Son, the height of the isolation part between the ground terminal and adjacent high-speed terminal of the high-speed terminal pair are below adjacent
The height of isolation part between ground terminal.
4. bayonet connector according to claim 2 or 3, which is characterized in that
The multiple terminal is divided into two rows and is arranged in the insulating body, and the terminal has contact portion, the multiple terminal
Contact portion be revealed in the inserting groove, and parallel with the inserting groove put down with the contact site of row's terminal in same
Face；
Be inserted into the direction of the inserting groove along the electronic card, the electronic card simultaneously with the contact portion of the signal terminal and
The contact portion of the ground terminal contacts, after the electronic card is inserted into the inserting groove, the electronic card be held on it is two rows of every
From between portion.
5. bayonet connector according to claim 2 or 3, which is characterized in that
The direction of the inserting groove is inserted into along the electronic card, the insulating body is arranged in the front end of the ground terminal pilot trench
The boss extended in the oriented inserting groove, and the height of the boss is less than the height of higher isolation part.
6. bayonet connector according to claim 5, which is characterized in that
Isolation part connection between the boss and adjacent ground terminal.
7. a kind of bayonet connector, is used for grafting electronic card, the bayonet connector includes insulating body and is contained in described exhausted
Multiple terminals of edge ontology, the inserting groove for being provided with terminal groove and being connected to the terminal groove on the insulating body, abutting end
It is provided with isolation part between son, forms the terminal groove between the isolation part, wherein the multiple terminal includes signal terminal
And ground terminal, the terminal groove include the signal end pilot trench for accommodating the signal terminal and the ground connection for accommodating the ground terminal
Terminal groove, which is characterized in that
The height of isolation part between at least one ground terminal and adjacent signal terminal is lower than being isolated between other terminals
The height in portion.
8. bayonet connector according to claim 7, which is characterized in that
The signal terminal includes multiple high-speed terminals pair, and at least two ground terminals are provided between the multiple high-speed terminal pair
The height of son, the isolation part between the ground terminal and adjacent high-speed terminal of the high-speed terminal pair connects lower than adjacent
The height of isolation part between ground terminal.
9. bayonet connector according to claim 7 or 8, which is characterized in that
The direction of the inserting groove is inserted into along the electronic card, the insulating body is arranged in the front end of the ground terminal pilot trench
The boss extended in the oriented inserting groove, is not provided with the boss in the front end of the signal end pilot trench.
10. bayonet connector according to claim 9, which is characterized in that
The boss is connect with the higher isolation part in ground terminal side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339263.3U CN209526230U (en) | 2019-03-15 | 2019-03-15 | Bayonet connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339263.3U CN209526230U (en) | 2019-03-15 | 2019-03-15 | Bayonet connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526230U true CN209526230U (en) | 2019-10-22 |
Family
ID=68232469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920339263.3U Active CN209526230U (en) | 2019-03-15 | 2019-03-15 | Bayonet connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526230U (en) |
-
2019
- 2019-03-15 CN CN201920339263.3U patent/CN209526230U/en active Active
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