CN216903445U - High-speed flexible circuit board connector - Google Patents
High-speed flexible circuit board connector Download PDFInfo
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- CN216903445U CN216903445U CN202220362982.9U CN202220362982U CN216903445U CN 216903445 U CN216903445 U CN 216903445U CN 202220362982 U CN202220362982 U CN 202220362982U CN 216903445 U CN216903445 U CN 216903445U
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- circuit board
- flexible circuit
- cover body
- holding cavity
- contact
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Abstract
The application discloses high-speed flexible circuit board connector relates to electric connector technical field for solve current electric contact unstability, high impedance, lid and open and shut difficult and be difficult to the perception, and lead to connector signal transmission unstability, the unstable problem of structure. The high-speed flexible circuit board connector of this application includes an insulating base, a row of conductive terminal and a lid, wherein conductive terminal's contact site sets up to the wave form, can promote its retentivity to the flexible circuit board, and can with the flexible circuit board forms stable contact, has the electric contact effect of low impedance simultaneously. In addition, the base is provided with a convex hook which is buckled with the pivoting part of the cover body, so that the cover body can be prevented from falling off. The cover body also adopts a built-in clamping structure, so that the pin joint part can be coated, the cover body is prevented from falling off, and the normal work of the cover body is ensured.
Description
Technical Field
The application relates to the technical field of electric connectors, in particular to a high-speed flexible circuit board connector.
Background
High-speed transmission means that modern computer, information skill and networking skill require signal transmission with a time scale rate up to megahertz frequency band and a pulse time up to sub-millisecond, so that a flexible circuit board connector capable of meeting high-speed transmission needs to be provided.
The high-speed flexible circuit board connector is subject to smaller and more concise turnover in use requirements, which requires products to be turned over more precisely, at small intervals, in high density, at high speed and in high frequency. These requirements present high challenges to both the structural design and the fabrication technology.
In view of the above, it is desirable to provide a high-speed flexible circuit board connector with reliable electrical contact and safe and easy-to-operate cover opening and closing.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a high-speed flexible circuit board connector for solve current electric contact unstability, high impedance, lid open and shut difficult and difficult perception, and lead to connector signal transmission unstability, the unstable problem of structure.
In order to achieve the above purpose, the following technical scheme is adopted in the application.
One embodiment of the present application provides a high-speed flexible circuit board connector, which includes an insulating base, a row of conductive terminals, and a cover. The insulating base is provided with a strip-shaped base part, a flat platform part which horizontally extends from the base part and is lower than the base part in height, and two side parts which horizontally extend from the base part and are positioned above two ends of the platform part; a row of upper channels are formed on the base part and penetrate through the front surface and the rear surface of the base part; a row of lower channels are formed on the top surface of the platform part; a holding cavity is formed between the side portion and the platform portion. Each conductive terminal is arranged on the insulating base and is provided with an upper arm part, a lower arm part arranged opposite to the upper arm part, a connecting part for connecting the upper arm part and the lower arm part and a tail part extending backwards from the connecting part; wherein the upper arm portion is inserted into the upper channel and protrudes from the upper channel above the platform portion; the lower arm is inserted into the lower channel and is provided with a wavy contact part which protrudes out of the top surface of the platform part; the connecting part is fixed in the base part, and the tail part extends to the rear of the base part. The cover body is rotatably arranged on the insulating base and is provided with a row of through grooves penetrating through the upper surface and the lower surface of the cover body and two pivoting parts which are positioned at two ends of the cover body and protrude outwards; the pin joint part is arranged in the holding cavity, and the through groove is used for accommodating the upper arm part of the conductive terminal; a flat accommodating space is formed between the cover body and the platform part and used for inserting a flexible circuit board.
In some embodiments of the present application, the contact portion of the conductive terminal includes at least two upwardly protruding contacts for making electrical contact with the flexible circuit board.
In some embodiments of the present application, the contact portion includes a main contact and a sub contact disposed in front and rear, and a height of the main contact is greater than a height of the sub contact.
In some embodiments of the present application, a protruding hook extending toward the holding cavity is formed at the top of the holding cavity, and when the pivot portion extends into the holding cavity, the pivot portion passes over the protruding hook and is rotatably retained in the holding cavity.
In some embodiments of the present application, a shoulder extending toward the holding cavity is formed at the bottom of the holding cavity, and when the pivot portion extends into the holding cavity, the pivot portion reaches the shoulder and is rotatably retained in the holding cavity.
In some embodiments of the present application, a front end of the upper arm portion is formed with a hook; the rear end of lid is provided with one row of pivot portion, pivot portion with lead to the groove and correspond the setting, work as it stretches into to go up the arm during leading to the groove, the trip back-off is in corresponding in the pivot portion, the pivot portion rotationally the card is gone into and is corresponded in the trip.
In some embodiments of the present application, a row of pressing portions is further disposed at the rear end of the cover body, and the pressing portions and the rotating shaft portion are disposed at intervals and arranged in a row; the pressing part is used for pressing the flexible circuit board downwards when the cover body is in a self-locking state and a closed state.
In some embodiments of the present application, the pressing portion has a cross section in a pyramid shape.
In some embodiments of the present application, a length between a front end of the cover and the rotating shaft portion is greater than a length of the upper arm portion of the conductive terminal.
In some embodiments of the present application, a length between a front end of the cover and the rotating shaft portion is 2.5 times a length of the upper arm portion of the conductive terminal.
Compared with the prior art, the high-speed flexible circuit board connector of the application is characterized in that the contact part of the conductive terminal is wavy in one embodiment, and particularly the contact part of the double-contact structure is adopted, so that the holding force of the flexible circuit board can be improved, and the flexible circuit board can be stably contacted with the flexible circuit board and has a low-impedance electric contact effect. In addition, in one embodiment, the protruding hook is disposed on the base to lock the pivot portion of the cover, so as to prevent the cover from falling off. The cover body is further provided with a built-in clamping structure, for example, the pivoting part is coated in the vertical direction and the assembling direction, so that the cover body can be prevented from falling off, and the normal work of the cover body is ensured. In addition, the high-speed flexible circuit board connector also has the advantages that the product is thin, the transmission rate is increased to 10Gbps, the effect of zero insertion force can be achieved, and the phenomenon that the cover body is not buckled in place is effectively prevented.
Drawings
Fig. 1 is a schematic perspective view of a high-speed flexible circuit board connector according to an embodiment of the present invention.
Fig. 2 is an exploded view of a high speed flexible circuit board connector according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a high-speed flexible circuit board connector according to an embodiment of the present invention.
Fig. 4 is a schematic view of the cover of the high-speed flexible circuit board connector in an open state, in which the flexible circuit board is inserted into the flat receiving space.
Fig. 5 is a schematic diagram of a high-speed flexible circuit board connector according to an embodiment of the present invention, in which a cover is in a self-locking state, and the cover presses down the flexible circuit board.
Fig. 6 is a schematic diagram of a high-speed flexible circuit board connector according to an embodiment of the present invention, in which the cover presses the flexible circuit board in a closed state.
The main reference numbers in the drawings accompanying the present specification are as follows:
high-speed flexible circuit board 2 connector 1
Hook 210 of upper arm 21
Through groove 31 of cover 30
The rotating shaft 34 presses the part 35
Fixing sheet 40 flexible circuit board 2
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of an embodiment of a high-speed flexible circuit board connector 1, fig. 2 is a schematic exploded view of the embodiment of the high-speed flexible circuit board connector 1, and fig. 3 is a schematic cross-sectional view of the embodiment of the high-speed flexible circuit board connector 1. The high-speed flexible circuit board connector 1 according to one embodiment of the present invention includes an insulating base 10, a row of conductive terminals 20, and a cover 30. In this embodiment, the high-speed flexible circuit board connector 1 further includes a pair of fixing pieces 40 disposed on both sides of the insulating base 10.
As shown in fig. 2, the insulating base 10 has an elongated base 11, a flat platform 12 extending horizontally from the base 11 and having a height lower than that of the base 11, and two side portions 13 extending horizontally from the base 11 and located above two ends of the platform 12; a row of upper channels 110 formed through the front and rear surfaces of the base 11 are formed in the base 11; a row of exposed lower channels 120 is formed in the top surface of the platform portion 12; a holding cavity 14 is formed between the side portion 13 and the platform portion 12.
In one embodiment, as shown in fig. 2, the top of the holding cavity 14 is formed with a protrusion 140 extending toward the holding cavity 14, and the bottom of the holding cavity 14 is formed with a shoulder 141 protruding toward the holding cavity 14. The protruding hook 140 is a built-in engaging structure designed for the cover 30, so as to prevent the cover 30 from falling off and ensure the normal operation of the cover 30. The detailed matching relationship between the protruding hook 140 and the cover 30 will be described later.
As shown in fig. 3, each of the conductive terminals 20 is mounted on the insulating base 10, and each of the conductive terminals 20 has an upper arm portion 21, a lower arm portion 22 disposed opposite to the upper arm portion 21, a connecting portion 23 connecting the upper arm portion 21 and the lower arm portion 22, and a tail portion 24 extending rearward from the connecting portion 23; wherein the upper arm portion 21 is inserted into the upper channel 110 and protrudes from the upper channel 110 to above the platform portion 12; the lower arm 22 is inserted into the lower channel 120, the lower arm 22 is provided with a wavy contact portion 25, and the contact portion 25 protrudes out of the top surface of the platform portion 12; the connecting portion 23 is fixed in the base portion 11, and the tail portion 24 extends behind the base portion 11.
In one embodiment, as shown in fig. 3, the contact portion 25 of the conductive terminal 20 includes at least two contacts protruding upward, such as: a main contact 250 and a sub contact 251 disposed in front and rear. The contact portion 25 is used to make electrical contact with the flexible wiring board 2. The height of the main contact 250 is greater than the height of the sub contact 251. The conductive terminal 20 adopts a wavy contact part 25, especially adopts a double-contact structure, can improve the holding force of the flexible circuit board 2, and can form stable contact with the flexible circuit board 2, and meanwhile, has a low-impedance electric contact effect.
In one embodiment, as shown in fig. 3, the front end of the upper arm 21 of the conductive terminal 20 is formed with a hook 210 for cooperating with the cover 30. The detailed coordination will be described later.
As shown in fig. 2 and 3, the cover 30 is rotatably mounted on the insulating base 10, the cover 30 has a row of through slots 31 penetrating through the upper and lower surfaces of the cover 30, and two pivot portions 32 located at two ends of the cover 30 and protruding outward; the pivot portion 32 is mounted in the holding cavity 14, and the through slot 31 is used for receiving the upper arm portion 21 of the conductive terminal 20; a flat receiving space 33 is formed between the cover 30 and the stage 12 for inserting a flexible wiring board 2 (see fig. 4).
In one embodiment, when the pivot portion 32 extends into the holding cavity 14, the pivot portion 32 passes over the protruding hook 140 and reaches the shoulder 141, so as to be rotatably retained in the holding cavity 14. The hook 140 is used to fasten the pivot portion 32, so as to prevent the cover 30 from falling off, and the cover 30 is fastened to the cover 30 in a concealed manner, so as to ensure the normal operation of the cover 30. The pivot portion 32 is covered by the insulating base 10 in the vertical direction and the assembling direction, so as to prevent the cover 30 from falling off due to the fact that the whole product is in a flat strip shape and is easy to deform.
In one embodiment, as shown in fig. 2 and 3, a row of rotating shaft portions 34 is disposed at the rear end of the cover 30, the rotating shaft portions 34 are disposed corresponding to the through slots 31, when the upper arm portions 21 of the conductive terminals 20 extend into the through slots 31, the hooks 210 are reversely buckled on the corresponding rotating shaft portions 34, and the rotating shaft portions 34 are rotatably inserted into the corresponding hooks 210.
In one embodiment, as shown in fig. 3, a row of pressing portions 35 is further disposed at the rear end of the cover 30, and the cross section of the pressing portions 35 is in a pyramid shape. The pressing parts 35 and the rotating shaft part 34 are arranged at intervals and are arranged in a row; the pressing portion 35 is used to press down the flexible circuit board 2 when the cover 30 is in the self-locking state and the closed state.
The three operating states of the cover 30 will be described in detail below.
The cover 30 has an open state, a self-locking state, and a closed state.
As shown in fig. 4, when the cover 30 is in the open state, an included angle a between the cover 30 and the platform 12 is greater than 90 degrees, and the flat accommodating space 33 is exposed between the pressing portion 35 and the platform 12 for the flexible circuit board 2 to be inserted. That is, when the cover 30 is opened, the flexible circuit board 2 can be smoothly inserted into the flat receiving space 33, and the effect of zero insertion force is achieved.
As shown in fig. 5, when the cover 30 is in the self-locking state, an included angle a between the cover 30 and the platform 12 is smaller than 90 degrees, for example, about 40 degrees, the flexible printed circuit board 2 is located in the flat accommodating space 33, and the top end of the pressing portion 35 presses down the flexible printed circuit board 2. At this time, the operator may stop the operation (stop pressing or rotating the lid 30), and the lid 30 is automatically rotated toward the stage 12 to switch to the closed state.
As shown in fig. 6, when the cover 30 is in the closed state, the cover 30 is parallel to the platform 12, the flexible printed circuit board 2 is located in the flat accommodating space 33, and one side of the pressing portion 35 presses against the flexible printed circuit board 2.
When the cover 30 is in the open state to the closed state or in the closed state to the open state, the cover 30 has a good hand feeling (a "click" warning sound) because the pressing portion 35 is provided in the shape of a pyramid on the cover 30, which can achieve zero insertion force and effectively prevent the cover 30 from being locked.
In addition, in one embodiment, a length L1 between the front end of the cover 30 and the rotating shaft 34 is greater than a length L2 of the upper arm 21 of the conductive terminal 20. For example, the length between the front end of the cover 30 and the rotating shaft 34 is 2.5 times the length of the upper arm 21 of the conductive terminal 20. By adopting the length proportion, the lever principle can be utilized to do a small-force work, thereby realizing easy opening and closing.
To sum up, the high-speed flexible printed circuit board connector 1 of this application will in one of them embodiment the contact portion 25 of conductive terminal 20 sets up to the wave form, especially adopts the contact portion 25 of double contact structure, can promote it right flexible printed circuit board 2's holding power, and can with flexible printed circuit board 2 forms stable contact, has the electric contact effect of low impedance simultaneously. In addition, in one embodiment, the hook 140 is disposed on the insulating base 10 to fasten the pivot portion 32 of the cover 30, so as to prevent the cover 30 from falling off. The cover 30 is further provided with a built-in engagement structure, for example, the pivotal connection portion 32 is covered in the vertical direction and the assembling direction, so that the cover 30 can be prevented from falling off, and the normal operation of the cover 30 can be ensured. In addition, the high-speed flexible circuit board connector 1 has the advantages that the product is thin, the transmission rate is increased to 10Gbps, the effect of zero insertion force can be achieved, and the cover body 30 is effectively prevented from being buckled and not in place.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A high-speed flexible circuit board connector comprises an insulating base, a row of conductive terminals and a cover body, and is characterized in that:
the insulating base is provided with a strip-shaped base part, a flat platform part which horizontally extends from the base part and is lower than the base part in height, and two side parts which horizontally extend from the base part and are positioned above two ends of the platform part; a row of upper channels formed in the base portion and extending through the front and rear surfaces of the base portion; a row of lower channels are formed on the top surface of the platform part; a holding cavity is formed between the side part and the platform part;
each conductive terminal is arranged on the insulating base and is provided with an upper arm part, a lower arm part arranged opposite to the upper arm part, a connecting part for connecting the upper arm part and the lower arm part and a tail part extending backwards from the connecting part; wherein the upper arm portion is inserted into the upper channel and protrudes from the upper channel above the platform portion; the lower arm is inserted into the lower channel and is provided with a wavy contact part which protrudes out of the top surface of the platform part; the connecting part is fixed in the base part, and the tail part extends to the rear of the base part;
the cover body is rotatably arranged on the insulating base and is provided with a row of through grooves penetrating through the upper surface and the lower surface of the cover body and two pivoting parts which are positioned at two ends of the cover body and protrude outwards; the pin joint part is arranged in the holding cavity, and the through groove is used for accommodating the upper arm part of the conductive terminal; a flat accommodating space is formed between the cover body and the platform part and used for inserting a flexible circuit board.
2. The high speed flexible circuit board connector of claim 1, wherein said contact portion of said conductive terminal includes at least two upwardly projecting contacts for making electrical contact with said flexible circuit board.
3. A high speed flexible wiring board connector as claimed in claim 2, wherein said contact portion includes a main contact and a sub contact arranged in front and rear, the height of said main contact being greater than the height of said sub contact.
4. The connector of claim 1, wherein the top of the holding cavity is formed with a protrusion extending toward the holding cavity, and when the pivot portion extends into the holding cavity, the pivot portion is rotatably retained in the holding cavity beyond the protrusion.
5. The connector as claimed in claim 4, wherein a shoulder is formed at a bottom of the holding cavity and extends toward the holding cavity, and when the pivot portion extends into the holding cavity, the pivot portion reaches the shoulder and is rotatably retained in the holding cavity.
6. The high speed flexible wiring board connector according to claim 1, wherein a hook is formed at a front end of said upper arm portion;
the rear end of lid is provided with one row of pivot portion, pivot portion with lead to the groove and correspond the setting, works as go up the arm and stretch into when leading to the groove, the trip back-off is in corresponding on the pivot portion, the pivot portion rotationally the card is gone into correspondingly in the trip.
7. A high-speed flexible circuit board connector as claimed in claim 6, wherein the rear end of the cover body is further provided with a row of pressing portions, and the pressing portions and the rotating shaft portion are arranged at intervals and in a row; the pressing part is used for pressing the flexible circuit board downwards when the cover body is in a self-locking state and a closed state.
8. A high speed flexible circuit board connector as claimed in claim 7, wherein the cross section of the pressing portion is pyramid-shaped.
9. The connector of claim 6, wherein a length between the front end of the cover and the shaft is greater than a length of the upper arm of the conductive terminal.
10. The connector of claim 6, wherein the length between the front end of the cover and the shaft is 2.5 times the length of the upper arm of the conductive terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362982.9U CN216903445U (en) | 2022-02-22 | 2022-02-22 | High-speed flexible circuit board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362982.9U CN216903445U (en) | 2022-02-22 | 2022-02-22 | High-speed flexible circuit board connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216903445U true CN216903445U (en) | 2022-07-05 |
Family
ID=82184406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220362982.9U Active CN216903445U (en) | 2022-02-22 | 2022-02-22 | High-speed flexible circuit board connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216903445U (en) |
-
2022
- 2022-02-22 CN CN202220362982.9U patent/CN216903445U/en active Active
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| GR01 | Patent grant | ||
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