CN2407869Y - Electric iron head with positioning hole - Google Patents
Electric iron head with positioning hole Download PDFInfo
- Publication number
- CN2407869Y CN2407869Y CN 00203432 CN00203432U CN2407869Y CN 2407869 Y CN2407869 Y CN 2407869Y CN 00203432 CN00203432 CN 00203432 CN 00203432 U CN00203432 U CN 00203432U CN 2407869 Y CN2407869 Y CN 2407869Y
- Authority
- CN
- China
- Prior art keywords
- locating hole
- circuit board
- tin
- leg
- welding
- 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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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model relates to an electric iron head with a positioning hole, which can weld electronic elements on a circuit board. The iron head is provided with a positioning hole and a tin filling opening, and the external surface is a conical surface. The working surface (soldering tin adsorbing surface) of the iron head is not a common external surface any more and is the tin filling opening of the end surface. The utility model has the advantages of convenient operation, reliable weld and uniform size of the welding spot and can improve the welding quality and speed. A beginner can also master the welding technique in a short time and obtain reliable weld effect. The utility model is particularly suitable for use by radio hobbyists and domestic appliance repairers.
Description
The utility model relates to a kind of electric soldering bit that has locating hole that is used for soldering of electronic components on circuit board.
Radio amateur and the used electric soldering bit of household electrical appliance mechanic soldering of electronic components on circuit board mostly are tip and homalocephalus at present.Very inconvenient during electronic component on soldered circuit board, the scolding tin that need adsorb an amount of fusing during welding on the solder horn outer surface is close to pad then and is circled around the leg of electronic component and just can obtain reliable solder joint.The solder joint not prison welding crossed that I haven't seen you for ages and makes by the scolding tin that adsorbs on the solder horn, and the scolding tin that adsorbs on the solder horn too much causes short circuit with on every side solder joint or leg overlap joint easily.Welding quality is relevant with the speed that solder horn moves, the speed that the GPRS solder horn rotates around leg and also not being not easy with on every side solder joint or leg overlap joint in its process.Its welding skill can be grasped through training and practice, but when the closeer circuit board of welding leg more solder joint, such as only 2.54 millimeters circuit board of distance is arranged between integrated circuit and so on electronic component leg, even have the radio amateur of many years of experience and household electrical appliance mechanic still to feel the comparison difficulty.
The purpose of this utility model is that a kind of electric soldering bit that has locating hole will be provided, and it can address the above problem effectively.And can improve the quality and the speed of welding.
The purpose of this utility model is achieved in that changes into the tin-containing port of end face with the working face of solder horn (absorption solder side) by outer surface, and outer surface does not adsorb scolding tin, so just can not cause short circuit with solder joint or leg overlap joint on every side.Locating hole is enclosed within on the leg of required soldering of electronic components, the tin-containing port of solder horn absorption scolding tin just can be aimed at corresponding pad exactly, deviation effects pad and leg on every side can not occur.What of absorption scolding tin are the big I of tin-containing port weigh, and make each spot size the too much or very few situation of scolding tin evenly can not occur.The working face of solder horn is changed into the tin-containing port of end face by outer surface, do not need during welding to rotate solder horn around leg, only need locating hole is enclosed within on the leg, end face is close to the pad on the circuit board, the scolding tin of fusing just can be adsorbed onto the pad of whole required welding and leg around, solder joint around can not influencing or leg can not be subjected to the influence of solder joint on every side or leg yet.Rotary solding iron can obtain reliable solder joint gently.
The utility model only needs a locating hole of processing and tin-containing port on solder horn, and conical surface (see figure 1) of outer surface processing is so structure is simple especially.The diameter phi A of locating hole is greater than 0.2～1 millimeter of the leg diameter of required soldering of electronic components, hole depth L only needs the leg length of stretching out circuit board greater than the electronic component of required welding, best 2～3 millimeters of leg lengths of stretching out circuit board for the electronic component greater than required welding.The external diameter φ B of solder horn end face equals the diameter of required solder pad on the circuit board, and pad commonly used has 2 millimeters, 2.5 millimeters, 3 millimeters, 4 millimeters etc.Tin-containing port size decision welding each time use the tin amount, tin-containing port can be that horn mouth also can be a sphere (as Fig. 2), best angle is 60 °～90 ° during with horn mouth, the diameter phi C of tin-containing port is less than 0.2～1.2 millimeter of φ B.The effect of the outer surface conical surface is same as the prior art to be leg around running into when avoiding welding.External diameter φ D is according to the size decision of used electric iron, 3.5～6 millimeters commonly used.Only need during welding locating hole is enclosed within on the ready electronic component leg, end face is close to the pad on the circuit board, the scolding tin of fusing just can be adsorbed onto whole pad and leg around, rotate electric iron gently, mention electric iron then and can obtain reliable solder joint.Welding quality is welded near machine, operates very simply, even the beginner also can grasp solder technology in a short period of time, obtains reliable welding effect.The utility model is particularly suitable for the radio amateur and the household electrical appliance mechanic uses.
The utility model is according to the diameter of pad and the kind and the size of used electric iron on the diameter of required soldered elements leg, the circuit board, can make multiple and the supporting electric soldering bit that has locating hole that varies in size of electric iron.Can also make special-purpose flatiron chieftain and be connected (as Fig. 4) with various electric iron with interior or external screw thread, the solder horn that such electric iron just can changing-over varies in size, the electronic component that welding varies in size.
Concrete structure of the present utility model is provided by following accompanying drawing and embodiment.
Fig. 1 is a profile of the present utility model.The diameter phi A of locating hole is greater than 0.2～1 millimeter of the leg diameter of required soldering of electronic components among the figure, hole depth L only needs the leg length of stretching out circuit board greater than the electronic component of required welding, best 2～3 millimeters of leg lengths of stretching out circuit board for the electronic component greater than required welding.Solder horn end face external diameter φ B equals the diameter of required solder pad on the circuit board, and pad commonly used has 2 millimeters, 2.5 millimeters, 3 millimeters, 4 millimeters etc.Tin-containing port size decision welding each time use the tin amount, tin-containing port can be that horn mouth also can be a sphere, best angle is between 60 °～90 ° during with horn mouth, the diameter phi C of tin-containing port is less than 0.2～1.2 millimeter of φ B.The effect of the outer surface conical surface is same as the prior art to be leg around running into when avoiding welding.Here use 80 °.External diameter φ D is according to the size decision of used electric iron, 3.5～6 millimeters commonly used.
Fig. 2 is that tin-containing port of the present utility model is the schematic diagram (ball R) of sphere.
Fig. 3 is embodiment 1 of the present utility model.Be to be used for the solder horn that the general electronic component commonly used of external-heat electric iron welding has locating hole.
Fig. 4 is embodiment 2 of the present utility model.It is the solder horn that has locating hole that is connected with electric iron with external screw thread.
Claims (4)
1. an electric soldering bit that has locating hole that is used for soldering of electronic components on circuit board is characterized in that having on the solder horn locating hole, and a tin-containing port, outer surface are conical surfaces.
2. the electric soldering bit that has locating hole according to claim 1, the diameter of locating hole that it is characterized in that solder horn is greater than 0.2～1 millimeter of the electronic component leg diameter of required welding, hole depth only needs the leg length of stretching out circuit board greater than the electronic component of required welding, best 2～3 millimeters of leg lengths of stretching out circuit board for the electronic component greater than required welding.
3. the electric soldering bit that has locating hole according to claim 2, the tin-containing port that it is characterized in that solder horn can be a horn mouth, also can be sphere, best angle is 60 °～90 ° during with horn mouth.
4. the electric soldering bit that has locating hole according to claim 3 is characterized in that solder horn end face external diameter equals the diameter of pad on the required soldered circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00203432 CN2407869Y (en) | 2000-02-03 | 2000-02-03 | Electric iron head with positioning hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00203432 CN2407869Y (en) | 2000-02-03 | 2000-02-03 | Electric iron head with positioning hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2407869Y true CN2407869Y (en) | 2000-11-29 |
Family
ID=33572126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00203432 Expired - Fee Related CN2407869Y (en) | 2000-02-03 | 2000-02-03 | Electric iron head with positioning hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2407869Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935535A (en) * | 2012-12-05 | 2013-02-20 | 哈尔滨工业大学 | Manual electric soldering bit capable of increasing welding efficiency of lead and bonding pad and improving welding reliability of lead and bonding pad |
-
2000
- 2000-02-03 CN CN 00203432 patent/CN2407869Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935535A (en) * | 2012-12-05 | 2013-02-20 | 哈尔滨工业大学 | Manual electric soldering bit capable of increasing welding efficiency of lead and bonding pad and improving welding reliability of lead and bonding pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |