CN207043502U - One kind is used for TO220 packaged transistor weld jigs - Google Patents
One kind is used for TO220 packaged transistor weld jigs Download PDFInfo
- Publication number
- CN207043502U CN207043502U CN201720470046.9U CN201720470046U CN207043502U CN 207043502 U CN207043502 U CN 207043502U CN 201720470046 U CN201720470046 U CN 201720470046U CN 207043502 U CN207043502 U CN 207043502U
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- China
- Prior art keywords
- transistor
- briquetting
- floating holder
- pin
- fixed
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- 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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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses one kind to be used for TO220 packaged transistor weld jigs, and the weld jig includes：Fixed bottom plate（1）, pin（2）, support column（3）, floating holder（4）.Floating holder（4）Including：Fixed block（4‑1）, briquetting（4‑3）, fixed screw（4‑4）.The protrusion height of transistor welding pin passes through briquetting（4‑3）To control, floating holder is arranged on by changing（4）On briquetting of different shapes（4‑3）To adjust the protrusion height of transistor welding pin, floating holder, support column are installed on fixed bottom plate by the weld jig, and printed circuit board (PCB) is put on above-mentioned mounted fixture, and transistor welding pin insertion printed circuit board (PCB) corresponds to hole position.The characteristics of the utility model is the control that welding and assembling height in TO220 packaged transistor assembling process is realized using simple structure, and the weld jig is simple in construction, versatile, cost is low, can be used in batch production, easy to spread.
Description
Technical field
Electronic Assemblies field is the utility model is related to, more particularly to one kind is used for TO220 packaged transistor weld jigs.
Background technology
Be frequently necessary to TO220 packaged transistors being welded on circuit board during Electronic Assemblies because structure or
The requirement of radiating, it usually needs transistor is fixed on radiator or casing, this is just welded to printed circuit to transistor
The welding and assembling height of plate has requirement, and the too high or too low of weldering all influences follow-up assembling.
The utility model is based on problem above and proposes that one kind is used for TO220 packaged transistor weld jigs, can realize pair
The control of welding and assembling height in TO220 packaged transistor assembling process, and can be used in batch production.
Utility model content
The utility model provides one kind and is used for TO220 packaged transistor weld jigs, and the weld jig realizes TO220
The control of welding and assembling height, described below in packaged transistor assembling process：
One kind is used for TO220 packaged transistor weld jigs, and the weld jig includes：Fixed bottom plate, pin, support
Post, floating holder, printed circuit board (PCB), floating holder include：Transistor fixed block, transistor, transistor briquetting, fixed screw.
The weld jig by transistor be fixed to floating holder on, by change the transistor briquetting on floating holder come
Transistor welding pin extension elongation is adjusted, floating holder, support column are installed on fixed bottom plate by the weld jig, are printed
Circuit board is put on above-mentioned mounted fixture, and transistor welding pin insertion printed circuit board (PCB) corresponds to hole position.
The beneficial effect of technical scheme provided by the utility model is：The characteristics of the utility model is to use simple structure
Realize the control of welding and assembling height in TO220 packaged transistor assembling process.The weld jig is simple in construction, it is versatile, into
Sheet is low, can be used in batch production, easy to spread.
Brief description of the drawings
Fig. 1 is that one kind provided by the utility model is used for TO220 packaged transistor weld jig overall diagrams；
Fig. 2 is that one kind provided by the utility model is used for TO220 packaged transistor weld jig explosive views；
Fig. 3 is the explosive view of floating holder 4 provided by the utility model；
Fig. 4 is two kinds of scale diagrams of briquetting 4-3 provided by the utility model；
Fig. 5 is that floating holder 4 provided by the utility model is welded by installing different size compacts 4-3 to adjust transistor
Pin protrusion height schematic diagram.
In accompanying drawing, the list of parts representated by each label is as follows：
1：Fixed bottom plate；2：Pin；
3：Support column；4：Floating holder；
5：Printed circuit board (PCB)；
4-1：Fixed block；4-2：Transistor；
4-3：Briquetting；4-4：Fixed screw；
Wherein, there are several perforates coordinated with pin 2 on fixed bottom plate 1；
Pin 2 is standard component；
There is the perforate with bayonet fittings the one end of support column 3；
Fixed bottom plate 1, support column 3, fixed block 4-1, briquetting 4-3 are epoxy resin or other non-conductive rigid plastics materials
Matter.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below to the utility model embodiment
It is described in further detail.
In order to realize the control to welding and assembling height in TO220 packaged transistor assembling process, and meet the general of fixture
Property, the utility model provides a kind of TO220 packaged transistors weld jig that is used for (referring to Fig. 2 one kind provided by the utility model
For TO220 packaged transistor weld jigs explosive view), the weld jig includes：Fixation bottom plate 1, pin 2, support column 3, work
Dynamic fixture 4.Shown in the explosive view of floating holder 4 provided such as Fig. 3 utility models, floating holder 4 includes：Fixed block 4-1, briquetting 4-
3rd, fixed screw 4-4.Transistor 4-2 is fixed on fixed block 4-1 by briquetting 4-3 and fixed screw 4-4.Transistor welding is drawn
The protrusion height of pin is controlled by briquetting 4-3, as shown in Figure 3, Figure 4, by changing the difference being arranged on floating holder 4
The briquetting 4-3 of shape adjusts the protrusion height of transistor welding pin.In order to meet diverse location crystal on printed circuit board (PCB) 5
The welding of pipe, is provided with several perforates coordinated with fixing pin 2 on fixed bottom plate 1, the quantity of floating holder 4 for 1 and with
On, the quantity of support column 3 needs to meet the requirement for being capable of secure support printed circuit board (PCB) 5, and the quantity of pin 2 regards floating holder 4
Depending on the quantity of support column 3.
It is quick-fried that one kind that the utility model embodiment such as Fig. 2 utility models provide is used for TO220 packaged transistor weld jigs
Shown in fried figure：2 transistors are fixed on floating holder 4, two floating holders 4 are fixed on fixed bottom plate 1 by pin 2
With 5 corresponding position of printed circuit board (PCB), 3 support columns 3 are fixed on fixed bottom plate 1 by pin 2 and are used for supporting printing electricity
Road plate 5.The one kind provided such as Fig. 1 utility models is used for shown in TO220 packaged transistor weld jig overall diagrams, printed circuit board (PCB)
5 are placed on above above-mentioned mounted fixture and are welded.
The utility model embodiment to the profile of each device, material in addition to specified otherwise is done, the model of other devices
It is not limited, as long as the device of above-mentioned function can be completed.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model is real
Apply that a sequence number is for illustration only, do not represent the quality of embodiment.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (1)
1. one kind is used for TO220 packaged transistor weld jigs, the weld jig includes：Fixed bottom plate（1）, pin（2）, branch
Dagger（3）, floating holder（4）, it is characterised in that：The floating holder（4）Including：Fixed block（4-1）, briquetting（4-3）, it is fixed
Screw（4-4）, transistor（4-2）Pass through briquetting（4-3）And fixed screw（4-4）It is fixed on fixed block（4-1）On, transistor
（4-2）On welding pin protrusion height pass through transistor briquetting（4-3）To control floating holder is arranged on by changing（4）On
Briquetting of different shapes（4-3）To adjust transistor（4-2）The protrusion height of upper welding pin；
The fixed bottom plate（1）On be provided with several and pin（2）The perforate of cooperation, floating holder（4）Quantity for 1 with
On, support column（3）Quantity need to meet to be capable of the requirement of secure support printed circuit board (PCB), pin（2）Quantity regard activity press from both sides
Tool（4）And support column（3）Quantity depending on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470046.9U CN207043502U (en) | 2017-04-27 | 2017-04-27 | One kind is used for TO220 packaged transistor weld jigs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470046.9U CN207043502U (en) | 2017-04-27 | 2017-04-27 | One kind is used for TO220 packaged transistor weld jigs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207043502U true CN207043502U (en) | 2018-02-27 |
Family
ID=61490052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720470046.9U Expired - Fee Related CN207043502U (en) | 2017-04-27 | 2017-04-27 | One kind is used for TO220 packaged transistor weld jigs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207043502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732173A (en) * | 2019-03-12 | 2019-05-10 | 烟台台芯电子科技有限公司 | A kind of contact pin welding tooling and contact pin fixing means |
-
2017
- 2017-04-27 CN CN201720470046.9U patent/CN207043502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732173A (en) * | 2019-03-12 | 2019-05-10 | 烟台台芯电子科技有限公司 | A kind of contact pin welding tooling and contact pin fixing means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20200427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |