CN220400939U - Conductive terminal and mounting structure thereof - Google Patents
Conductive terminal and mounting structure thereof Download PDFInfo
- Publication number
- CN220400939U CN220400939U CN202321863823.8U CN202321863823U CN220400939U CN 220400939 U CN220400939 U CN 220400939U CN 202321863823 U CN202321863823 U CN 202321863823U CN 220400939 U CN220400939 U CN 220400939U
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- Prior art keywords
- hole
- conductive terminal
- plugging
- width
- circuit board
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a conductive terminal, which comprises a conductive connecting part and a plugging part which are integrally connected, wherein the plugging part is used for being matched with a bonding pad hole of a circuit board for plugging and positioning, the front end of the plugging part is an insertion end, the rear end of the plugging part is integrally connected with the conductive connecting part, the plugging part is in a fusiform structure, the width of the plugging part is gradually increased from the front end of the plugging part to the middle part of the plugging part, the width of the plugging part is gradually decreased from the middle part of the plugging part to the rear end, and the middle part of the plugging part is provided with a through hole extending along the length direction of the plugging part. In addition, the utility model also discloses a mounting structure of the conductive terminal, which comprises the conductive terminal, and the mounting structure comprises a circuit board, wherein a bonding pad hole is formed in the circuit board, and the plugging part of the conductive terminal is matched with the bonding pad hole for plugging and is in expansion positioning fit. The utility model has the advantages of simple structure and convenient installation, and can improve the reliability of connection with the circuit board.
Description
Technical Field
The utility model relates to a conductive terminal and a mounting structure thereof.
Background
Conductive terminals are common fittings for transmitting current signals in automotive fittings, and are connected with circuit boards in a matching manner in a more common installation mode. For example, in the utility model disclosed in applicant's japanese previous application, a dual-purpose bidirectional composite contact type motor terminal (CN 217010629U) is disclosed, and as can be seen from the accompanying drawings of the patent publication, the conductive terminal (i.e., motor terminal) described in the patent includes a pin inserted in a circuit board, and an end of the pin passes through a pad hole in the circuit board and is then placed on the other side of the circuit board. In practice, the ends of the pins are bent to limit the conductive terminals to the circuit board, thereby forming a reliable connection with the circuit board.
The conventional conductive terminal and its mounting structure represented by the above patent have the following drawbacks:
(1) Gaps exist between the pins and the pad holes of the circuit board, so that the pins and the pad holes of the circuit board are easy to shake, and the conductive terminals are generally required to be connected with the circuit board through a plurality of groups of pins so as to improve the reliability of connection;
(2) After the pins are inserted into the bonding pad holes, bending processing is needed, and the working procedures are complicated.
Disclosure of Invention
The utility model provides a conductive terminal which has a simple structure and is convenient to install, and the reliability of connection with a circuit board can be improved.
In order to achieve the above object, the present utility model provides a conductive terminal, including a conductive connection portion and a plugging portion integrally connected, where the conductive connection portion is used for implementing conductive connection with an external fitting, the plugging portion is used for mating and positioning with a pad hole of a circuit board, a front end of the plugging portion is an insertion end, a rear end of the plugging portion is integrally connected with the conductive connection portion, the plugging portion is in a fusiform structure, a width of the plugging portion is gradually increased from the front end toward a middle portion of the plugging portion, the width of the plugging portion is gradually decreased from the middle portion of the plugging portion toward the rear end, the middle portion of the plugging portion has a through hole extending along a length direction of the plugging portion, in practical implementation, a width of the middle portion of the plugging portion is slightly greater than a width of the pad hole on the circuit board, and a minimum width of the front end and a minimum width of the rear end of the plugging portion are both smaller than a width of the pad hole, so that the plugging portion can be gradually deformed and pressed on a side wall of an inner hole of the pad hole under self elastic action by guiding and mating between the outer side of the plugging portion and the pad hole in a process of inserting the pad hole. By adopting the plug connection mode, the reliability of connection between the bonding pad holes of the plug part can be improved, the connection part is not easy to shake, and bending processing is not needed after the plug is completed. By adopting the connecting mode, the requirements on the number of pins and tolerance fit can be reduced. The deformation effect of the plug-in connection part can be improved through the arrangement of the through holes.
Further, the width of the conductive connection part is larger than that of the plug-in part. The conductive connection between the conductive connection part and the external fitting can be facilitated, and in addition, the conductive connection part can also be used for forming limit fit with the circuit board, so that the conductive terminal is prevented from passing through along the other side of the bonding pad hole.
Further, the front end of the plug-in part is integrally formed with a conical guide part, and the guide part is provided with at least two guide inclined planes/cambered surfaces which are oppositely arranged. The guiding part is arranged to conveniently guide the inserting part to be inserted into the bonding pad hole, so that the inserting installation of the conductive terminal is convenient.
Further, the width of the two sides of the middle part of the plug-in part is uniformly arranged along the length direction of the plug-in part, and when the plug-in part is plugged and matched with the bonding pad hole in a positioning mode, the two sides of the middle part of the plug-in part can be reliably contacted and connected with the inner wall of the bonding pad hole, so that shaking is reduced, and the connecting effect is improved.
Further, the through hole is in a fusiform structure, the front end and the rear end of the through hole are respectively corresponding to the front end and the rear end of the plug-in part, the width of the through hole is gradually increased from the front end to the middle part of the through hole, and the width of the plug-in part is gradually decreased from the middle part of the through hole to the rear end. The through hole adopts this kind of structural design, under the circumstances of guaranteeing grafting portion structural strength, can also improve the elastic deformation effect of grafting portion.
Further, the width at the middle part of through-hole evenly sets up along its length direction, and the width at the middle part of through-hole suits with the outside width of grafting portion, can improve the structural strength of grafting portion and with the pad hole between the supporting effect.
Further, the middle part of the through hole is in transitional connection with the rear end of the through hole through the conical section, so that the deformation effect of the middle part of the plug-in part can be further improved, and the supporting effect between the plug-in part and the bonding pad hole is further improved.
The utility model also provides a mounting structure of the conductive terminal, which comprises the conductive terminal and a circuit board, wherein the circuit board is provided with a bonding pad hole, and the plugging part of the conductive terminal and the bonding pad hole form interference plugging positioning fit.
The beneficial effects of the utility model are as follows: the conductive terminal and the mounting structure thereof have the advantages that the structure is simple, the mounting is convenient, the conductive terminal and the bonding pad hole of the circuit board can be directly connected in a plugging manner, the subsequent bending processing of the conductive terminal is not needed, the cost can be reduced, and the connection reliability between the conductive terminal and the circuit board is improved.
Drawings
FIG. 1 is a block diagram of a conductive terminal according to an embodiment of the present utility model;
fig. 2 is a perspective view of a mounting structure of a conductive terminal according to an embodiment of the present utility model;
fig. 3 is a sectional view of a mounting structure of a conductive terminal according to an embodiment of the present utility model;
FIG. 4 is a block diagram of a conductive terminal according to another embodiment of the present utility model;
fig. 5 is a cross-sectional view of a mounting structure of a conductive terminal according to another embodiment of the present utility model.
Detailed Description
Embodiments of the conductive terminal and its mounting structure according to the present utility model are shown in fig. 1 to 3: the conductive terminal 1 comprises a conductive connecting part 11 and a plugging part 12 which are integrally connected, wherein the conductive connecting part 11 is of a flat structure and is used for realizing conductive connection of external accessories, such as clamping or welding, the plugging part 12 is used for matching plugging and positioning with a bonding pad hole 21 of the circuit board 2, the front end of the plugging part 12 is an inserting end, the rear end of the plugging part 12 is integrally connected with the conductive connecting part 11, the plugging part 12 is of a fusiform structure, the plugging part 12 comprises a front end 12a, a middle part 12b and a rear end 12c, the width of the plugging part 12 is gradually increased from the front end 12a of the plugging part 12 towards the middle part 12b of the plugging part 12, the width of the plugging part 12 is gradually reduced from the middle part 12b of the plugging part 12 towards the rear end 12c, the middle part of the plugging part 12 is provided with a through hole 121 extending along the length direction of the plugging part 12, the bonding pad hole 21 on the circuit board 2 is provided with a uniform width, and the plugging part 12 of the conductive terminal 1 and the bonding pad hole 21 form interference positioning fit.
The width of the middle part 12b of the plug-in part 12 is slightly larger than the width of the pad hole 21 on the circuit board, and the minimum width of the front end 12a and the minimum width of the rear end 12c of the plug-in part 12 are smaller than the width of the pad hole 21, so that the plug-in part 12 can gradually deform and be pressed on the inner hole side wall of the pad hole 21 under the self elastic action in the process of inserting the plug-in part 12 into the pad hole 21 through guiding fit between the outer side of the plug-in part 12 and the pad hole 21, and interference plug-in positioning fit between the plug-in part 12 and the pad hole 21 is realized. By adopting the plug connection mode, the reliability of connection between the pad holes 21 of the plug part 12 can be improved, the connection part is not easy to shake, and bending processing is not needed after the plug is completed. By adopting the connecting mode, the requirements on the number of pins and tolerance fit can be reduced. The provision of the through hole 121 can enhance the deformation effect of the socket portion. After the plugging is finished, the conductive terminal 1 and the bonding pad can be welded by soldering to realize conductive connection with the circuit board, and a connection mode of directly contacting and electrically connecting the conductive terminal 1 and the bonding pad can also be adopted.
The width of the conductive connection part 11 is larger than the maximum width of the plugging part 12. The conductive connection between the conductive connection part 11 and the external fitting can be facilitated, and in addition, the conductive connection part can also be used for forming limit fit with the circuit board 2, so that the conductive terminal 1 is prevented from passing through along the other side of the pad hole 21.
The front end of the plugging portion 12 is integrally formed with a tapered guiding portion 122, and the guiding portion 122 has at least two guiding inclined planes/cambered surfaces that are disposed opposite to each other, and in this embodiment, the conductive portion 122 adopts a rectangular pyramid structure. The guiding part 122 can conveniently guide and insert the plugging part into the bonding pad hole 21, so that the plugging and installation of the conductive terminal 1 are convenient.
The width of the two sides of the middle part 12b of the plugging part 12 is uniformly set along the length direction, namely, the outer walls of the two sides of the middle part 12b are straight, when the plugging part 12 is plugged and matched with the bonding pad hole 21, the two sides of the middle part 12b of the plugging part 12 can be reliably contacted and connected with the inner wall of the bonding pad hole 21, the contact area is larger, the relative shaking between the conductive terminal 1 and the circuit board 2 can be reduced, and the connection effect is improved.
The through hole 121 has a fusiform structure, the through hole 121 includes a front end 121a, a middle portion 121b, and a rear end 121c, the front and rear ends of the through hole 121 are respectively corresponding to the front end and the rear end of the plugging portion 12, the width of the through hole 121 is gradually increased from the front end 121a toward the middle portion 121b of the through hole 121, and the width of the plugging portion 12 is gradually decreased from the middle portion 121b toward the rear end 121c of the through hole 121. The through hole 121 adopts such a structural design, and can also improve the elastic deformation effect of the plug-in portion 12 under the condition of ensuring the structural strength of the plug-in portion 12.
The width of the middle portion 121b of the through hole 121 is uniformly set along the length direction thereof, and the width of the middle portion 121b of the through hole 121 is adapted to the outer width of the plugging portion 12, so that the structural strength of the plugging portion 12 and the supporting effect with the pad hole 21 can be improved.
With the above-structured insertion portion 12, when inserted into the pad hole 21 in place, the elastic deformation effect thereof is maximized, and the maximum holding force can be provided thereto.
Another embodiment of the conductive terminal and its mounting structure according to the present utility model is shown in fig. 4-5, which is a further improvement based on the structure of the above embodiment, and differs in that: in another embodiment, the middle portion 121b of the through hole 121 is in transitional connection with the rear end 121c thereof through a tapered section 121d, the side wall of the tapered section 121d has a larger inclination angle relative to the side wall of the front end 121a or the rear end 121c, and the tapered section 121d ensures the structural strength of the rear end 12c of the plugging portion 12, particularly the structural strength of the connection between the rear end 12c and the conductive connection portion 11, so as to further improve the elastic deformation effect of the plugging portion 12 and the supporting effect between the plugging portion and the pad hole 21, and is more suitable for being plugged and positioned in cooperation with the pad hole 21 with a larger aperture.
The above embodiment is only one of the preferred embodiments of the present utility model, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a conductive terminal, including conductive connection portion, grafting portion of an organic whole connection, its characterized in that: the utility model discloses a circuit board, including circuit board, plug portion, conductive connection portion, plug portion, through-hole, plug portion is used for cooperating grafting and location with the pad hole of circuit board, the front end of plug portion is the insertion end, and the rear end and the conductive connection portion body coupling of plug portion, and the plug portion is fusiform structure, and the width of plug portion increases from its front end towards the middle part of plug portion and sets up, and the width of plug portion decreases from the middle part of plug portion towards the rear end and sets up, and the middle part of plug portion has the through-hole that extends along plug portion length direction and sets up.
2. The conductive terminal of claim 1, wherein: the width of the conductive connecting part is larger than that of the plugging part.
3. The conductive terminal of claim 1, wherein: the front end of the plug-in part is integrally formed with a conical guide part, and the guide part is provided with at least two guide inclined planes/cambered surfaces which are oppositely arranged.
4. The conductive terminal of claim 1, wherein: the width of the middle part both sides of grafting portion evenly sets up along its length direction.
5. The conductive terminal of claim 4, wherein: the through hole is fusiform structure, and the front and back end of through hole corresponds the front end and the rear end setting of grafting portion respectively, and the width of through hole is from its front end towards the middle part of through hole setting gradually big, and the width of grafting portion is from the middle part of through hole towards the rear end setting gradually little.
6. The conductive terminal of claim 5, wherein: the width at the middle part of through-hole sets up evenly along its length direction.
7. The conductive terminal of claim 5, wherein: the middle part and the rear end of the through hole are in transitional connection through a conical section.
8. An installation structure of a conductive terminal, which is characterized in that: the mounting structure comprises the conductive terminal as claimed in any one of claims 1 to 7, and further comprises a circuit board, wherein a bonding pad hole is formed in the circuit board, and the plugging part of the conductive terminal and the bonding pad hole form interference plugging positioning fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863823.8U CN220400939U (en) | 2023-07-14 | 2023-07-14 | Conductive terminal and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863823.8U CN220400939U (en) | 2023-07-14 | 2023-07-14 | Conductive terminal and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400939U true CN220400939U (en) | 2024-01-26 |
Family
ID=89611965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321863823.8U Active CN220400939U (en) | 2023-07-14 | 2023-07-14 | Conductive terminal and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400939U (en) |
-
2023
- 2023-07-14 CN CN202321863823.8U patent/CN220400939U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |