CN201107813Y - Insert type shrapnel terminals - Google Patents
Insert type shrapnel terminals Download PDFInfo
- Publication number
- CN201107813Y CN201107813Y CNU2007201935933U CN200720193593U CN201107813Y CN 201107813 Y CN201107813 Y CN 201107813Y CN U2007201935933 U CNU2007201935933 U CN U2007201935933U CN 200720193593 U CN200720193593 U CN 200720193593U CN 201107813 Y CN201107813 Y CN 201107813Y
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- CN
- China
- Prior art keywords
- contact part
- elastic contact
- shell fragment
- plug
- spacing member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an insert spring plate terminal which is a multi-lap demi-body. A contraflexure elastic contact part is arranged above the vertical supporting plate of the demi-body. The supporting plate of the elastic contact part extrudes a positioning member towards the direction of the elastic contact part. The width of the positioning member is smaller than the elastic contact part. The positioning part can limit the force application point of a tool during the poking to lower the deformation of the elastic contact part.
Description
Technical field
The utility model is a kind of shell fragment terminal, especially refer to a kind of plug-in type shell fragment terminal, the Elastic Contact end of this shell fragment terminal can be by instrument, after for example ripping bar forces and backs down, original chucking power of this shell fragment terminal of unlikely destruction, thus the purpose that can repeat to plug lead obtained.
Background technology
Be widely used in toolroom machine by electric switch, electric drill for example, electric screw driver ... etc., by the electric switch of pushing this toolroom machine, can make the transmission device in this toolroom machine, for example revolution, with hole or lock/loosen the action of screw.
Known electric switch be directly to weld with lead to be immobilizated in its conducting terminal, and this kind welding manner is for a long time capable, and is known by people when assembling.Yet the remarkable defective that this known electric switch exists is that only along with the increase of service time, conducting terminal and pad oxidation can be serious day by day, will produce electric arc when consequently electric pass is about switching, and have a strong impact on the fail safe of this electric switch.Simultaneously, aforementioned oxidation also makes the potentiality danger that the impedance increase of conducting terminal and temperature raise, but not the electric connecting mode of a safety.
Based on aforementioned disadvantages, relevant dealer promptly develops a kind of plug-in type shell fragment terminal, be the profile of known plug-in type shell fragment terminal 10 as shown in Figure 1, its one above a support sheet 101 connects the elastic contact part 102 of a back bending shape, should support then horizontal expansion one location division 103, sheet 101 bottom surfaces.As shown in Figure 2, this shell fragment terminal 10 is placed in the accommodation space 201 of electric switch 20, and the elastic contact part 102 of its top forms with the fixed terminal of side 30 and contacts, formation is electrically connected as desire, only lead must be inserted in this accommodation space 201, can be fixed with fixed terminal 30 common clampings by this elastic contact part 102, this measure can be exempted outside the inconvenience of welding really, and in the future because of the pad oxidation the potentiality danger that may cause, and extensively be subjected to electric equipment manufacturer's employing.
As shown in Figure 3, when the toolroom machine damage is desired to keep in repair, be the supply of cutting off the electricity supply, usually need be with lead by 10,30 taking-ups of two-terminal, the present practice is to utilize instrument, for example ripping bar 40 inserts 10,30 of two-terminal, it is forced back down this elastic contact part 102, this means that promptly this elastic contact part 102 is subjected to the ripping bar 40 uncontrollable application of forces, and cause this elastic contact part 102 be subjected to pushing be out of shape after, lead can be removed clamp position and take out.This measure will cause the shell fragment terminal to damage, and lose original chucking power, and consequently whole electric switch certainly will be scrapped, and demand relevant dealer's improvement urgently.
The utility model content
The purpose of this utility model is to provide a kind of plug-in type shell fragment terminal, in the hope of overcoming aforementioned plug-in type shell fragment terminal easily because of distortion, and loses the defective of chucking power.
For achieving the above object, the plug-in type shell fragment terminal that the utility model provides, be more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet of this elastic contact part below wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application in the time of can being limited an instrument and stirred by this spacing member is to reduce the distortion of this elastic contact part.
Described plug-in type shell fragment terminal wherein should support sheet bottom surface horizontal expansion one location division.
Described plug-in type shell fragment terminal, wherein this spacing member is a protuberance.
Described plug-in type shell fragment terminal, wherein this protuberance is trapezoidal, rectangle, circular arc or triangle.
The plug-in type shell fragment terminal that the utility model provides, can also be, be more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet in the sector region of this elastic contact part movable end swing wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application in the time of can being limited an instrument and stirred by this spacing member is to reduce the distortion of this elastic contact part.
Described plug-in type shell fragment terminal wherein should support sheet bottom surface horizontal expansion one location division.
Described plug-in type shell fragment terminal, wherein this spacing member is a protuberance.
Described plug-in type shell fragment terminal, wherein this protuberance is a catch.
Effect of the present utility model is:
The support sheet of this plug-in type shell fragment terminal is towards elastic contact part direction projection one spacing member, with the restriction instrument, for example the point of application of ripping bar in accommodation space can allow the distortion of elastic contact part reduce to minimum, and unlikelyly lose original chucking power, and then obtain the purpose that can repeat to plug lead.
Description of drawings
Fig. 1 is the profile of known plug-in type shell fragment terminal.
Fig. 2 is installed in the interior profile of electric switch for known plug-in type shell fragment terminal.
Fig. 3 inserts the profile after the start in the electric switch for tool using.
Fig. 4 is the stereogram of the utility model plug-in type shell fragment terminal.
Fig. 5 is installed in profile in the electric switch for the utility model.
Fig. 6 inserts the profile after the start in the electric switch for Fig. 5 tool using.
Fig. 7 is the stereogram of the utility model plug-in type shell fragment terminal second embodiment.
Fig. 8 is installed in the interior profile of electric switch for the utility model second embodiment.
Fig. 9 inserts the profile after the start in the electric switch for Fig. 8 tool using.
Embodiment
The technological means that the utility model is taked, provide a kind of plug-in type shell fragment terminal, it is more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet of this elastic contact part below wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application in the time of can being limited an instrument and stirred by this spacing member is to reduce the distortion of this elastic contact part.
Another technological means that the utility model is taked, provide a kind of plug-in type shell fragment terminal, it is more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet in the sector region of this elastic contact part movable end swing wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application in the time of can being limited an instrument and stirred by this spacing member is to reduce the distortion of this elastic contact part.
Elaborate below in conjunction with accompanying drawing.
As shown in Figure 4, basically, plug-in type shell fragment terminal 1 of the present utility model be with the metal lamellar body through punching press moulding with bending back, thought is not as limit, it also is able to nonmetallic materials with other operation, for example ejection formation and for it.This shell fragment terminal 1 one is more than one folding shape lamellar bodies as is well known, it is the elastic contact part 12 that one connects a back bending shape above a vertical support sheet 11, support sheet 11 bottom surfaces are horizontal expansion one location division 13 then, and this shell fragment terminal 1 is installed in the default accommodation space of electric switch.
And characteristics of the present utility model are, the support sheet 11 of these elastic contact part 12 belows, it is towards elastic contact part 12 direction projections one spacing member 14, and this spacing member 14 is the protuberance of a width less than elastic contact part 12, as shown in Figure 4, being shaped as of this protuberance is one trapezoidal, only not as limit, it also must also can obtain the restriction instrument for rectangle, circular arc or triangle, for example the point of application of ripping bar, thereby reduce the distortion of this elastic contact part 12, make it possess original chucking power.
As shown in Figure 5, be that shell fragment terminal 1 of the present utility model is installed in schematic diagram in the electric switch 2, this electric switch 2 is formed by a upper casing 21 and a lower casing 22 butt joints, make and form at least one accommodation space 23 between the two, these accommodation space 23 1 sides set firmly a fixed terminal 3, side is then installed shell fragment terminal 1 of the present utility model in addition, and makes its elastic contact part 12 touch this fixed terminal 3, to form anchor clamps.When using, only need lead is inserted this accommodation space 23 formed openings, and be held between this elastic contact part 12 and the fixed terminal 3, be electrically connected with formation as desire.
As shown in Figure 6, take out this lead as desire, only need an instrument 4, for example ripping bar is inserted and is stirred by the opening of electric switch 2, make this elastic contact part 12 because of in contract, and can easily lead be taken out, this instrument 4 then is subject to the spacing member 14 of support sheet 11 stage casing projectioies, protuberance for example, and then limit its point of application, make the distortion of this elastic contact part 12 reduce to minimum, and these elastic contact part 12 original chucking powers of unlikely damage, after treating that the toolroom machine maintenance is finished, lead can be inserted electric switch 2 once more, thereby obtain the purpose that can repeat to plug lead.
See also Fig. 7, schematic diagram for second embodiment of the utility model plug-in type shell fragment terminal, wherein, understand for convenient, present embodiment all marks with identical label with the same components of aforementioned first embodiment, and being different from the previous embodiment part, present embodiment is, this spacing member 14 is stretched in the sector region of this elastic contact part 12 movable ends swing, as shown in Figure 8, this spacing member 14 forms a protuberance on support sheet 11 surfaces towards elastic contact part 12 directions, for example stamps out the catch of a spacing usefulness.
As shown in Figure 9, take out lead as desire, only need the opening of an instrument 4 by electric switch 2 inserted and stir, make this elastic contact part 12 because of in contract, and be resisted against spacing member 14, and can easily lead be taken out, this instrument 4 then is limited by the spacing member 14 of support sheet 11 epimeres, and then limit its point of application, it is minimum that the distortion of this elastic contact part 12 is reduced to, and these elastic contact part 12 original chucking powers of unlikely damage, treat that the toolroom machine maintenance is finished after, lead can be inserted once more, thereby obtain the purpose that can repeat to plug lead.
So, via enforcement of the present utility model, the support sheet of this plug-in type shell fragment terminal is towards elastic contact part direction projection one spacing member, with the point of application of restriction instrument in accommodation space, can allow the distortion of elastic contact part reduce to minimum, and unlikelyly lose original chucking power, make lead be repeated plug.
The utility model those disclosed herein are a kind of of preferred embodiment, and the claim category of the utility model application is not all taken off in Ju Bu change or modification and come from technological thought of the present utility model and be what those skilled in the art were easy to know by inference such as.
Claims (8)
1, a kind of plug-in type shell fragment terminal, it is characterized in that, be more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet of this elastic contact part below wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application that this spacing member limits an instrument when stirring reduces the distortion of this elastic contact part.
2, plug-in type shell fragment terminal as claimed in claim 1 is characterized in that, wherein should support sheet bottom surface horizontal expansion one location division.
3, plug-in type shell fragment terminal as claimed in claim 1 is characterized in that, wherein this spacing member is a protuberance.
4, plug-in type shell fragment terminal as claimed in claim 3 is characterized in that, wherein this protuberance is trapezoidal, rectangle, circular arc or triangle.
5, a kind of plug-in type shell fragment terminal, it is characterized in that, it is more than one folding shape lamellar bodies, vertical support sheet top of this lamellar body has the elastic contact part of a back bending shape, the support sheet in the sector region of this elastic contact part movable end swing wherein, it is towards elastic contact part direction projection one spacing member, and the width of this spacing member is less than elastic contact part; The point of application that this spacing member limits an instrument when stirring reduces the distortion of this elastic contact part.
6, plug-in type shell fragment terminal as claimed in claim 5 is characterized in that, wherein should support sheet bottom surface horizontal expansion one location division.
7, plug-in type shell fragment terminal as claimed in claim 5 is characterized in that, wherein this spacing member is a protuberance.
8, plug-in type shell fragment terminal as claimed in claim 7 is characterized in that, wherein this protuberance is a catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201935933U CN201107813Y (en) | 2007-11-15 | 2007-11-15 | Insert type shrapnel terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201935933U CN201107813Y (en) | 2007-11-15 | 2007-11-15 | Insert type shrapnel terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201107813Y true CN201107813Y (en) | 2008-08-27 |
Family
ID=39959625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201935933U Expired - Fee Related CN201107813Y (en) | 2007-11-15 | 2007-11-15 | Insert type shrapnel terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201107813Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412460A (en) * | 2011-12-29 | 2012-04-11 | 上海华勤通讯技术有限公司 | Circuit connection elastic sheet and circuit connection device |
| CN109640403A (en) * | 2018-12-14 | 2019-04-16 | 博耐尔汽车电气系统有限公司 | A kind of ptc heater power supply device and its assembly technology |
-
2007
- 2007-11-15 CN CNU2007201935933U patent/CN201107813Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412460A (en) * | 2011-12-29 | 2012-04-11 | 上海华勤通讯技术有限公司 | Circuit connection elastic sheet and circuit connection device |
| CN109640403A (en) * | 2018-12-14 | 2019-04-16 | 博耐尔汽车电气系统有限公司 | A kind of ptc heater power supply device and its assembly technology |
| CN109640403B (en) * | 2018-12-14 | 2022-05-27 | 博耐尔汽车电气系统有限公司 | PTC heater power supply device and assembly process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20131115 |