CN205376836U - Plug -in terminal of power module - Google Patents
Plug -in terminal of power module Download PDFInfo
- Publication number
- CN205376836U CN205376836U CN201520959514.XU CN201520959514U CN205376836U CN 205376836 U CN205376836 U CN 205376836U CN 201520959514 U CN201520959514 U CN 201520959514U CN 205376836 U CN205376836 U CN 205376836U
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- terminal
- plug
- bending
- bending part
- connecting portion
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Abstract
The utility model discloses a plug -in terminal of power module, include still to be equipped with buffering portion from last between transition portion and the connecting portion to the plug portion, transition portion and the connecting portion that set gradually down that buffering portion is including connecting regularly in transition portion to to the backup pad of connecting portion direction extension, and set up the portion of bending in the at least one side of backup pad, be equipped with horizontal clearance between backup pad and the connecting portion, be provided with vertical clearance between a backup pad and the arbitrary portion of bending. The utility model discloses a plug -in terminal is fixed buffering portion in transition portion to include at least one portion of bending and backup pad respectively, has set up vertical clearance and horizontal clearance between backup pad and portion of bending and the connecting portion respectively, thereby guaranteed when the PCB circuit plate voltage incoming end period of the day from 11 p. M. To 1 a. M that the plug portion yield deformation of terminal has been born most stress of impressing, thereby has been alleviateed the pressure that the portion of bending received, has avoided collapsing of terminal. In the terminal use, the part of bending of its buffering portion still can reduce thermal stress and mechanical stress through warping, finally reaches the purpose that increases terminal life.
Description
Technical field
This utility model relates to the plug-in terminal technical field of power model, particularly relates to the plug-in terminal of a kind of power model.
Background technology
The plug-in terminal of existing power model, as it is shown in figure 1, generally comprise the welded connection 4 ' for connecting power model, intercalation part 1 ', and is used for the V-shape buffer part 3 ' connecting intercalation part 1 ' with welded connection 4 '.Wherein it is additionally provided with enhanced portion 7 between intercalation part 1 ' and buffer part 3 '.The terminal of this structure, the solder side that its connecting portion 4 ' is terminal.So this terminal is at plug-in, when being subject to circuit board (PCB) pressing-in force, V-shape buffer part 3 ' provides the anti-surrender ability of terminal, although V-shape buffer part 3 ' can provide certain anti-yield force, but plug PCB for a long time, the damage of terminal is comparatively serious, and simply terminal is easily damaged.Additionally, due to V-shape structure is comparatively thin, anti-surrender ability neither be very strong, and particularly under high and low temperature environment and vibration environment, this V-shape malformation increases, and service life is short especially.
For this, also utility model a kind of V-shape buffer part 3 ' is become S type buffering terminal occur, but the terminal of S type buffer part, in use still not ideal enough, service life is partially short.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, this utility model provides the plug-in terminal of a kind of power model, its object is to improve sprung back's ability of the plug-in terminal of power model, strengthen the yield strength bottom it, and then improve the service life of pluggable terminals.
This utility model be the technical scheme is that the plug-in terminal of a kind of power model, including the intercalation part set gradually from top to bottom, transition part and connecting portion, buffer part it is additionally provided with between transition part and connecting portion, buffer part includes being fixedly attached on transition part, and the gripper shoe extended to connecting portion direction, and it is arranged on the bending part of gripper shoe at least side；Lateral clearance it is provided with between gripper shoe and connecting portion；Vertical gap it is provided with between gripper shoe and any one bending part.Plug-in terminal of the present utility model, buffer part is fixed on transition part, and include at least one bending part and gripper shoe respectively, vertical gap and lateral clearance it is respectively provided with between gripper shoe and bending part and connecting portion, thus ensureing when PCB is pressed into terminal, the intercalation part yield deformation of terminal, bear most press-in stress, thus alleviate bending part pressure experienced, it is to avoid collapsing of terminal.In terminal use procedure, the dogleg section of its buffer part, remain to reduce thermal stress and mechanical stress by deformation, be finally reached the purpose increasing terminal service life.And the setting in vertical gap, it is ensured that gripper shoe is in up and down motion process, and do not rub bending part, thus decreasing the abrasion that bending part is subject to, further enhancing the service life of terminal.
Further improvement of the utility model is in that, bending part is V-type or S type bending, has and surrenders effect preferably.
Further improvement of the utility model is in that, the S type bending of bending part includes the first bending part and the second bending part, and the bending angle of the first bending part is 60-80, and the bending angle of the second bending part is 20-40 degree, further ensures terminal and has stronger resistance to surrender ability.
Further improvement of the utility model is in that, the bending angle of the first bending part is 70-76, and the bending angle of the second bending part is 25-32 degree.
Further improvement of the utility model is in that, intercalation part includes flake plug portion, and flake plug portion center position is provided with class ellipsoidal fish eyelet, alleviates the weight of terminal, ensures its resistance to surrender ability simultaneously.
Further improvement of the utility model is in that, is additionally provided with flake transition part between flake plug portion and transition part.
Further improvement of the utility model is in that, lateral clearance is 0.05-0.5mmmm, has good result of use.
Further improvement of the utility model is in that, lateral clearance is 0.2mm.
Further improvement of the utility model is in that, each vertical gap is 0.2-0.8mmmm, has good result of use.
Further improvement of the utility model is in that, each vertical gap is 0.3-0.7mm.
Compared with prior art, the beneficial effects of the utility model are: plug-in terminal of the present utility model, buffer part is fixed on transition part, and include at least one bending part and gripper shoe respectively, vertical gap and lateral clearance it is respectively provided with between gripper shoe and bending part and connecting portion, thus ensureing when PCB is pressed into terminal, the intercalation part of terminal and transition part and bending part integral yield deform, meanwhile, gripper shoe is near connecting portion, thus alleviating bending part pressure experienced, it is finally reached the purpose increasing terminal service life.And the setting in vertical gap, it is ensured that gripper shoe is in up and down motion process, and do not rub bending part, thus decreasing the abrasion that bending part is subject to, further enhancing the service life of terminal.
Plug-in terminal of the present utility model, improves its sprung back's ability, strengthens the yield strength bottom it and then the service life of raising pluggable terminals, has good market application foreground.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment before the plug-in terminal improvement of a kind of power model；
Fig. 2 is the front view of first embodiment of the plug-in terminal of a kind of power model；
Fig. 3 is the three dimensional structure schematic diagram of the embodiment of Fig. 2；
Fig. 4 is the left view of the embodiment of Fig. 2；
Fig. 5 is the partial enlarged view at the A place of the embodiment of Fig. 2；
Fig. 6 is the top view of the embodiment of Fig. 2；
Fig. 7 is the three dimensional structure schematic diagram of second embodiment of the plug-in terminal of a kind of power model；
Fig. 8 is the three dimensional structure schematic diagram of the 3rd embodiment of the plug-in terminal of a kind of power model；
Fig. 9 is the design sketch that the embodiment of Fig. 2 is arranged in PCB；
Wherein: 1-intercalation part, 11-flake plug portion, 12-class ellipsoidal fish eyelet, 13-flake transition part；2-transition part, 3-buffer part, 31-gripper shoe, 32-bending part, 321-the first bending part, 322-the second bending part；4-connecting portion, between 5-is horizontal, the vertical gap of 6-, 7-enhanced portion, 1 '-intercalation part, 3 '-buffer part, 4 '-connecting portion；8-circuit board.
Detailed description of the invention
In order to deepen understanding of the present utility model, below in conjunction with drawings and Examples, this utility model being further illustrated, this embodiment is only used for explaining this utility model, protection domain of the present utility model is not constituted and limits.
Embodiment 1
As shown in Fig. 2 and Fig. 3, Fig. 6, a kind of plug-in terminal of power model, including the intercalation part 1 set gradually from top to bottom, transition part 2 and connecting portion 4, buffer part 3 it is additionally provided with between transition part 2 and connecting portion 4, buffer part 3 includes being fixedly attached on transition part 2, and the gripper shoe 31 extended to connecting portion 4 direction, and it is arranged on two bending parts 32 of gripper shoe 31 left and right sides；Lateral clearance 5 it is provided with between gripper shoe 31 and connecting portion 4；Vertical gap 6 it is provided with between gripper shoe 31 and any one bending part 32.
Plug-in terminal of the present utility model, buffer part 3 is fixed on transition part 2, and include at least one bending part 32 and gripper shoe 31 respectively, vertical gap 6 and lateral clearance 5 it is respectively provided with between gripper shoe 31 and bending part 32 and connecting portion 4, thus ensureing when PCB is pressed into terminal, the intercalation part 1 of terminal and transition part 2 and bending part 32 integral yield deform, meanwhile, gripper shoe 31 is near connecting portion 4, thus alleviating bending part 32 pressure experienced, it is finally reached the purpose increasing terminal service life.And the setting in vertical gap 6, it is ensured that gripper shoe 31 is in up and down motion process, and do not rub bending part 32, thus decreasing the abrasion that bending part 32 is subject to, further enhancing the service life of terminal.
In the above-described embodiments, as shown in Figure 4, bending part 32 is V-type or S type bending, has and surrenders effect preferably.And, when bending part 32 is S type bending city, it includes the first bending part 321 and the second bending part 322, and the bending angle of the first bending part 321 is 60-80 degree, the bending angle of the second bending part 322 is 20-40 degree, further ensures terminal and has stronger resistance to surrender ability.And when the bending angle of the first bending part 321 of bending part is 70-76 degree, the bending angle of the second bending part 322 is that 25-32 is when spending, the buffer capacity of this terminal is higher, the bending angle of the first bending part 321 is for for 75 degree, when the bending angle of the second bending part 322 is 30 degree, resistance to surrender ability more preferably, has good plug performance, service life also relatively before terminal have bigger lifting.Now, bending part 32 is 45 degree with the angle of transition part 2, it is also possible to promote its resistance to surrender ability further.
In the above-described embodiments, as it is shown in figure 5, intercalation part 1 includes flake plug portion 11, flake plug portion 11 center position is provided with class ellipsoidal fish eyelet 12, alleviates the weight of terminal, ensures its resistance to surrender ability simultaneously.Additionally, be additionally provided with flake transition part 13 between flake plug portion 11 and transition part 2.The harmony of the overall weight of terminal can be better ensured that.
In the above-described embodiments, lateral clearance 5 is 0.05-0.5mm, has good result of use；When lateral clearance 5 is 0.2mm, the anti-surrender ability of terminal is best, and service life is partially long.
In the above-described embodiments, each vertical gap 6 is 0.2-0.8mm, has good result of use；And when each vertical gap 6 is 0.3-0.7mm, the anti-surrender ability of terminal is best, and service life is partially long.
The plug-in terminal of the present embodiment installs the design sketch in PCB 8, shown in Figure 9.
Embodiment 2
As it is shown in fig. 7, with embodiment 1 institute the difference is that, buffer part 3 includes being fixedly attached on transition part 2, and the gripper shoe 31 extended to connecting portion 4 direction, and is arranged on the left of gripper shoe 31 or right side bending part 32；Lateral clearance 5 it is provided with between gripper shoe 31 and connecting portion 4；Vertical gap 6 it is provided with between gripper shoe 31 and bending part 32.Now, plug-in terminal has good plug performance and anti-surrender ability equally, finally has longer service life.
Embodiment 3
As shown in Figure 8, with embodiment 1 and embodiment 2 institute the difference is that, embodiment 3 has the bending part 32 no less than three, the gripper shoe 32 of one piece of similar embodiment 1 is set in the middle of each two bending part 32, and its set-up mode is same or like with other structural requirements and above-mentioned two embodiment.
Finally it is pointed out that plug-in terminal of the present utility model, have the advantage that
1. terminal upper portion is that " " structure, when peak insertion force reaches 100N, terminal polycrystalline substance is unyielding, and anti-surrender ability is good for flake.
2. terminal material is copper alloy, C18400 or C19400 has high yield strength, and meanwhile, electric conductivity and fine copper are close to (resistance is more low more good).
3. bottom terminal, i.e. the bottom design of connecting portion 4 solder side, the substrate metal of bottom surface and module can carry out soldering；Keep big bonding area, effectively stop due to the climbing of solder, and cause being welded of support bar and bottom surface, so that the problem of failure mechanisms.
4. solder side is " S " type bending, is also symmetrical along the longitudinal axis of terminal；Except providing enough current path (low resistance requirement), meanwhile, their deformability, terminal is provided guarantee in the reliability of high and low temperature environment and vibration environment.
5. terminal mid portion is to indulge axisymmetric support bar along terminal, and this upper surface supporting end face and solder side has certain gap.When circuit board (PCB) is pressed into, there is deformation (elastic deformation) in a small amount in " S " type bending, support bar contacts with face of weld, bears the pressing-in force of PCB., there is not integral yield in the design of support bar, it is ensured that when pressing-in force reaches 100N.
Plug-in terminal of the present utility model, improves its sprung back's ability, strengthens the yield strength bottom it and then the service life of raising pluggable terminals, has good market application foreground.
What embodiment of the present utility model was announced is preferred embodiment; but it is not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment; understand spirit of the present utility model; and make different amplifications and change, but as long as without departing from spirit of the present utility model, all in protection domain of the present utility model.
Claims (10)
1. the plug-in terminal of a power model, it is characterized in that: include the intercalation part (1), transition part (2) and the connecting portion (4) that set gradually from top to bottom, buffer part (3) it is additionally provided with between described transition part (2) and connecting portion (4), described buffer part (3) includes being fixedly attached on transition part (2), and the gripper shoe (31) extended to connecting portion (4) direction, and it is arranged on the bending part (32) of gripper shoe (31) at least side；Lateral clearance (5) it is provided with between described gripper shoe (31) and connecting portion (4)；Vertical gap (6) it is provided with between described gripper shoe (31) and any one bending part (32).
2. the plug-in terminal of a kind of power model according to claim 1, it is characterised in that: described bending part (32) is V-type or S type bending.
3. the plug-in terminal of a kind of power model according to claim 2, it is characterized in that: the S type bending of described bending part (32) includes the first bending part (321) and the second bending part (322), the bending angle of described first bending part (321) is 60-80 degree, and the bending angle of described second bending part (322) is 20-40 degree.
4. the plug-in terminal of a kind of power model according to claim 3, it is characterised in that: the bending angle of described first bending part (321) is 70-76 degree, and the bending angle of described second bending part (322) is 25-32 degree.
5. the plug-in terminal of a kind of power model according to claim 1, it is characterised in that: described intercalation part (1) includes flake plug portion (11), and described flake plug portion (11) center position is provided with class ellipsoidal fish eyelet (12).
6. the plug-in terminal of a kind of power model according to claim 5, it is characterised in that: it is additionally provided with flake transition part (13) between described flake plug portion (11) and transition part (2).
7. the plug-in terminal of a kind of power model according to claim 1, it is characterised in that: described lateral clearance (5) is 0.05-0.5mm.
8. the plug-in terminal of a kind of power model according to claim 3, it is characterised in that: described lateral clearance (5) is 0.2mm.
9. the plug-in terminal of a kind of power model according to claim 1, it is characterised in that: each described vertical gap (6) is 0.2-0.8mm.
10. the plug-in terminal of a kind of power model according to claim 7, it is characterised in that: each described vertical gap (6) is 0.3-0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959514.XU CN205376836U (en) | 2015-11-27 | 2015-11-27 | Plug -in terminal of power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959514.XU CN205376836U (en) | 2015-11-27 | 2015-11-27 | Plug -in terminal of power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376836U true CN205376836U (en) | 2016-07-06 |
Family
ID=56261746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520959514.XU Withdrawn - After Issue CN205376836U (en) | 2015-11-27 | 2015-11-27 | Plug -in terminal of power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376836U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406236A (en) * | 2015-11-27 | 2016-03-16 | 南京银茂微电子制造有限公司 | Pluggable terminal of power module |
| CN112670732A (en) * | 2020-12-10 | 2021-04-16 | 合肥中恒微半导体有限公司 | Punch forming's fisheye terminal |
| CN117080775A (en) * | 2023-10-13 | 2023-11-17 | 上海林众电子科技有限公司 | Needle-shaped terminal structure |
-
2015
- 2015-11-27 CN CN201520959514.XU patent/CN205376836U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406236A (en) * | 2015-11-27 | 2016-03-16 | 南京银茂微电子制造有限公司 | Pluggable terminal of power module |
| CN105406236B (en) * | 2015-11-27 | 2019-02-12 | 南京银茂微电子制造有限公司 | A kind of plug-in terminal of power module |
| CN112670732A (en) * | 2020-12-10 | 2021-04-16 | 合肥中恒微半导体有限公司 | Punch forming's fisheye terminal |
| CN112670732B (en) * | 2020-12-10 | 2022-11-15 | 合肥中恒微半导体有限公司 | Punch forming's fisheye terminal |
| CN117080775A (en) * | 2023-10-13 | 2023-11-17 | 上海林众电子科技有限公司 | Needle-shaped terminal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20190212 |