JPS5939465A - Soldering instrument - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention generally can be easily converted into a solder removal instrument;
The present invention also relates to a temperature-controlled soldering iron which can also be used for other purposes. The present invention can be considered an improvement over my U.S. Pat. No. 4,885,716, which discloses a temperature controlled soldering device. Also, the applicant's U.S. Patent No. 4,1897
This can be considered an improvement on No. 3.

The temperature controlled soldering device of U.S. Pat. No. 488L715 does not provide a means for digital temperature reading. Additionally, while soldering makes it desirable to have the device powered by batteries, temperature controlled soldering requires the device to have a connection and cord to line voltage. It would also be desirable to provide a temperature measuring device. Additionally, it would be desirable to provide a variety of meters, such as solar, light, voltage, current, or resistance meters, which were not possible with prior art instruments.

It is desirable to enlarge the instrument housing so that fairly complex electronic circuitry can be housed within the housing. Additionally, it is desirable to configure the nozzle so that various attachments can be easily added to the device, such as a desoldering device of the type described in the above-mentioned U.S. Pat. No. 4.18/973. .

In accordance with the present invention, an improved soldering apparatus is provided, preferably having electronic temperature control means.

The device includes a hollow housing that houses a circuit board that supports the necessary electronic components. For this purpose, the nozzle is provided with a pair of longitudinally disposed opposing ridge-like projections in its interior, each of the six pairs of projections forming a longitudinal groove. These grooves provide guides for the circuit board. The grooves have a substantially constant diameter relative to each other. The circuit board itself abuts a rear cord bushing having an outer annular projection. This outer annular projection abuts a corresponding annular shoulder of the nose housing. The nozzle itself has a constant diameter except for its last part which is slightly conical to accommodate the rear bushing. The rear bushing also includes two planar portions that cross the protrusion in the nozzle, thereby properly indexing the rear bushing to the circuit board.

The other end of the housing has external threads with an annular shoulder following the threads. A retainer collar with external threads engages the threads of the housing. The retainer collar has an outer annular shoulder at its end opposite the thread. Furthermore, the carrier collar is provided with a plurality of longitudinally extending substantially parallel grooves on its outer side. The grooves can receive corresponding outer sleeves.

The features of novelty believed to be peculiar to the invention are pointed out in the claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG.

Preferred embodiments of the present invention will be described in detail below.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the accompanying drawings, which illustrate a preferred embodiment of the invention, and in particular to FIGS. 1-4, there is shown a soldering apparatus embodying the invention. This soldering device includes a housing 10, a heater element sleeve 11, a soldering tip 12, a threaded holder collar 13, an external sleeve 14,
It includes a rear cord bushing 15, a strain relief element 16, and an electrical cord 17.

As particularly shown in FIG. 2, the housing 10 has an opening 20 through which a control element for regulating the temperature of the electronic circuitry therein can pass. The housing 10 has a generally cylindrical internal opening 21 of constant diameter f except for the rear portion 22.

The rear part 22 has an inner conical surface 2 with a small opening at the end.
It has 3. The housing has an end opening 24 forming a shoulder 25f.

The interior of the housing 10 has projections forming longitudinally extending ridges 27 . There are two protrusions 27 on each of the opposing 1iIIIK. two protrusions 270
A groove 28 is formed therebetween for receiving the circuit board 30. Since these grooves 28 are equally spaced from each other, the circuit board 30
can be pushed into the housing almost to the rear. The housing further comprises an external thread 31 for receiving the retainer collar 13. The holder collar 13 will be described later. There is a rear busy shoulder 19 of the thread 31.

FIG. 3 also shows a circuit board 5017 (with some electronic components 32 attached thereto, which receives the cord 17 and allows the cord 170 to be rotated or twisted, as shown in FIGS. 3 and 4 in particular). Cord bushing 1 to prevent
5 is provided. For this purpose, the cord bushing 1
5 has a generally conical shape. cord bushing 15
has an external collar 36 at its front end and a rear cuff 37.
i have it on the outside. It further has a generally cylindrical interior chamber 38'' having an outwardly flared portion 40.

As clearly shown in FIG. 3, the cord 17 has a knot 41. This knot 41 is housed within the cylindrical chamber 38 and prevents the cord from being pulled out and stressing the connection to the circuit board 30. The rear cord bushing 15 has two opposing planar portions 42 which are connected to opposing projections 27'i.
confront.

These projections 27 prevent the bushing 15 from rotating or twisting. Cord 17, bushing 15 and circuit board 30 are therefore indexed together to prevent twisting and thus damage to the electronic components.

Cord sleeve 16 is shown in detail in FIG. This cord sleeve 16 has a rear shoulder 44 and a cord 17.
The receiver is generally conical in shape with a center υ:1045 for receiving. In turn, the cord sleeve 16 has between its ends four portions 46 that abut the outer surface of the housing 10. The inner end of the cord sleeve 16 is connected to the M4 section 2 of the housing.
5 and is provided with a disc-shaped protrusion 47 that sits against and sits on.

It is clear that the rear collar 37 or N section of the cord bushing 15 abuts the disc-shaped projection f'r 547 of the cord sleeve. It will be appreciated that the cord sleeve 16 is somewhat flexible and can be pushed into the pufferfish 10.

Referring now to FIGS. 5-8, a front fixing bushing 60 is illustrated. A heater element sleeve 11 extends into the bushing 60 and has external threads 6
1. Bushing 60 has a generally cylindrical shape and has heater element sleeve 11 at the end.
It has an external shoulder 62 facing the. Bushing 60 also includes two opposing projections 63. These protrusions 63 can engage a pair of opposing openings 64 at the left end of the housing 10. As clearly shown in FIG. 7, each projection 63 is followed towards the center of the bushing by a suitable ridge 65, so that
is slightly flexible and can be press fit into the housing 10. The outer side of the bushing 60 has two opposing planar parts 66 that can engage the ridges 27, thereby allowing the bushing 60 to Prevent elf from twisting.

The bushing 60 has a cylindrical central opening 67 and a conical central opening 68, with a conical central opening 6B.
The diameter increases toward the rear.

5, the bushing 60 is provided with a hexagonal four section 70 which mates with a corresponding hexagonal protrusion of the heater element sleeve 11, as particularly illustrated in FIG. 8 viewed from the tip 12. There are buttons for collaboration. 6th
In the figure, it should be noted that the soldering chip 12 has been removed. For soldering, the chip is sleeve 1
Preferably, it is provided with an internal thread cooperating with one external thread 71. The tip 72 of the sleeve 11 may be a stainless steel plate or disc to facilitate heat transfer between the heater element and the chip 12. Tip 72 can be attached to sleeve 11 by swaging, brazing, or spot welding.

9-12, the threaded retainer collar 15 and outer sleeve 14 are illustrated in detail. The carrier collar 13 is particularly shown in FIGS. 9 and 11. The retainer collar 13 has an annular collar 75 at its end facing the tip 72 and a smooth cylindrical portion 76.
and a series of longitudinal parallel grooves 77 following this.

The retainer collar 13 also includes an internal thread 78 that mates with the external thread 51 of the housing 10. Optionally, a flexible plastic collar 80 may be pushed into the carrier collar 13 to compress the carrier collar 80. This additional collar 80 may be made of a flexible plastic material that can be stretched slightly to fit over the carrier collar 13. Its purpose is to somewhat restrict movement of the outer sleeve 14. The outer sleeve 14 is
Externally extending p482 is provided for receiving various attachments, as described in connection with FIGS. 17-22.

The retainer collar 13 is screwed into the thread 31 of the housing, while the outer sleeve 14 is screwed into the groove 77 on the outside of the collar 13.
Slide along the top in the longitudinal direction.

Figures 13 and 14 are U.S. Patent Nos. 3.8B & 7.
16 shows a device for regulating the temperature of a temperature control circuit of the type described in No. 16; Therefore, a potentiometer 89 forming part of the circuit of circuit board 30 may be provided. The control button 85 has a downwardly extending shaft 86, the lower end of which is provided with a cross-shaped extrusion 84, and the extrusion 84 has a corresponding recess in the rotor of the potentiometer 89. (Figure 14)
Collaborate with. Or < 1. By rotating the control button 85 as indicated by the arrows in FIG. 1, the temperature can be set to a higher or lower value.

There may be a digital readout to indicate the temperature of the appliance. The digital reading means can be activated, for example, by pressing the control button 85 downwardly against the action of the compression spring 88, activating the switch 90 and energizing the digital reading device. Thus, the temperature can be set independently of the digital reader and the digital storage jets can be activated without changing the temperature set point.

To assemble the W, 1 fi+ instrument, the rear cord bushing 16 is pressed into the housing 10.

The circuit board 30 is then connected to the rear cord bushing 15 and both the bushing and the circuit board are connected to the left side (No. 1.2
and 3) into the bushing, the two flat parts 66 of the bushing rest on the protrusions 27, and the circuit board is inserted into the groove 28. The bushing 15 is seated against the front part of the rear cord bushing 16. The front bushing 60 is then press-fitted into the nozzle puffer 10 by pushing into the protrusion 63 until the protrusion 63 snaps into the opening 64 of the 71 housing 10. Before inserting the front bushing 60 into the housing, it must be connected to the heater element sleeve 11. The device is now ready for use.

Instead of operating the digital reader in the manner illustrated in FIGS. 13 and 14, this may be done as shown in FIG. That is, FIG. 15 shows a magnet 92 that can be placed in contact with the housing 10 to operate the magnet suite 89. Magnet 92 illuminates the "ON" and IQFFJ indicators shown at 93 and 94, respectively, and energizes or de-energizes the digital reading device shown at 97 in FIG.

Another variation for energizing the digital reader is the first
It is shown in Figure 6. Here, the nozzle 10 has a suitable aperture 95 through which a switch 96 can be manually suppressed to actuate the switch of the reader. Digit y=-H, the device for taking is shown at 97.

It is also possible to make the device of the invention with or without a cord. Rear cord bushing 1
By omitting 5 and the front rudder bushing 60, the circuit board 30 can be reversed. The space provided by the threaded retainer collar 13 can be increased by lengthening the collar. Therefore, the interior space of the collar 13 is the one that energizes the instrument and its cosmic circuit! Is f more than that? ll! Can be used to store. Preferably, the battery is a rechargeable battery.

Housing 10 is preferably comprised of a plastic insulating material such as polycarbonate sold by General Electric Company under the trade name Lexan J. The rear cord housing 15 is readily molded from a suitable plastic material that provides structural integrity. For example, product name [1) elrin
It may be an acetal resin known as J.

It should be noted that the front fixation bushing 60 must be removable with a special instrument that compresses the projection 63. Preferably, this is done at the factory for purposes of repairing or upgrading the electronic circuitry of circuit board 30.

The front locking bushing 60 is also provided with a suitable plug so that the front locking bushing 60 can be plugged into a circuit board rather than being interconnected with the circuit board by wiring.
It is also feasible to donate

It should also be noted that the heating element sleeve 11 can be easily replaced to replace the heating element. As mentioned above, the hexagonal quadrilateral 70 has a dual purpose. Securing within the hexagonal recess 70 prevents rotation of the heater element sleeve within the handle and properly indexes the threads of the end of the heater element sleeve with respect to the handle. The groove of the threaded holding force 2-13 also has the purpose of 2yR. These grooves provide a cooling sensation to the operator, and another purpose is to provide the outer sleeve 1 with the same number of different circumferential positions as the grooves.
4 is to slide.

As previously discussed, the apparatus of the present invention may also be used in conjunction with a desoldering attachment of the type disclosed in commonly assigned U.S. Pat. No. 4,188,9.73. This is illustrated in FIGS. 17-20. To this end, the desoldering nozzle, designated generally at 100, is provided with internal threads that engage external threads 61 of the heater element sleeve 11. A conically shaped attachment element 101 abuts the knurled collar 102 of the instrument, while a metal tether 103 is connected to the valve 104. Valve 104 has a relatively large plastic tube 105. This tube 105 reaches a vacuum source as shown. Plastic pipe body 105
internal spring 106 to prevent it from collapsing.
may be provided.

The valve 104 may be provided with 1*, a small opening 107 through which a small tube 108 can be inserted into which a flow of low pressure air is blown. The tubing 105 can be supported on the mounting 10 by suitable connectors 110.

The connector 110 may be manufactured by the trade name "1) slrln J. The attachment element 101 may be made of polyphenylene sulfide. The valve 104 may be made of polyterephthalate, which may contain 30 inches of glass fibers.

The construction of the valve is shown in FIGS. 18-20. The valve has a small nipple 109 into which the hose 1n5 fits. An opening 107 is formed in a button 112 which can be pressed inwardly against the force of a spring 113. A large nipple 114 is provided opposite a small nipple 109, into which a metal tether 103 fits. This nipple 114
may include one or more O-rings 115. As clearly shown in FIG. 18, an axial groove 116 is provided in which the side 82 of the outer sleeve 14 can fit. There are two such dovetails 116 or four parts, one on the opposite (011 part), so that the valve can be added to the outer sleeve 14 in two opposite directions. Another element 117 extends over the valve. Sliding re-stretching f-,))
, and may have an entire inwardly curved outer portion that acts as a force and finger rest. Air entering nipple 114 and being sucked in at nipple 109 encounters baffle plate 118, which is curved as shown in FIG. The purpose is to cause the half tH particles carried by the air to hit the baffle plate 11B, while the air follows the bottom of the baffle plate 118 to the valve 104.
0 body and exit from the nipple 109 to form a point.

Thus, airflow can be interrupted by pressing button 112 downwards. This is because the opposite end 1 of the button 112
20 engages the valve surface 121 and blocks airflow.

It should be noted that tube 108 is optional. This tube or hose can be used to force out solder that has collected in the valve or to heat a small amount of air with a heater element.

This heated air exits the nozzle and can be used to heat some solder to be removed. Valve 1
Note that 04 operates as a poppet valve.

A handle or pistol grip can also be attached to the instrument of FIG. 1 by means of a threaded retainer collar 13.

This is illustrated in FIGS. 21 and 22. The handle 125 may include an outer sleeve 126 that fits over the retainer collar 13. This sleeve 126 has at the rear a large inner diameter 127 which fits over the shoulder 19 of the housing 10. The four longitudinal parts 77 are the handle 12
It will be appreciated that the corresponding internal protrusions of 5 are engaged.

Thus, an improved soldering device with a desoldering attachment is disclosed. The device includes an improved housing capable of housing a circuit board with complex electronic circuitry. Includes front and rear bushings to prevent rotation of cords or heating elements associated with electronic circuitry.

The housing has a retainer collar over which a corresponding outer sleeve is slidable, the retainer collar and the outer sleeve being joined by engaging longitudinal projections or recesses. There is. A control button is disclosed that fits into the housing t7 and can rotate a potentiometer to control the temperature and actuate a switch to energize the digital reader. The desoldering attachment features a three-way poppet valve. The device can be cord powered or battery operated.

[Brief explanation of the drawing]

Figure 1 is a side view of a soldering device embodying the invention;
Figure 1 is an enlarged longitudinal section through the nousing of the device of Figure 1; Figure 3 is a cross-section through the housing showing the circuit board, rear cord bushing and strain relief elements with the components inserted into the nozzle; Figure 4 is a side view of the ridge cord bushing shown in Part 3, Figure 5 is a side view showing the front bushing, heater element sleeve and soldering chip, and Figure 6 is a side view of the ridge cord bushing shown in Part 3. Figure 7 is an end view of the front bushing, Figure 8 is an end view of the soldering shown in Figure 5 as seen from the chip, and Figure 9 is a side view of the soldering with the chip removed. 10 is a cross-sectional view of the threaded retainer collar and the outer sleeve without collar; FIG. 11 is an end view of FIG. 9; FIG. 12 is the parts 13 is a cross-sectional view of the control knob for adjusting the temperature, the compression spring and the switch for optionally energizing the digital reader; FIG. 14 is a cross-sectional view of the external sleeve illustrating the dovetail for mounting the FIG. 13 is a phantom view of the control knob from below, FIG. 15 is a side view of the instrument showing a magnetic switch in the housing, and FIG. 16 is similar to FIG. 15 illustrating a hand-operated switch for the same purpose. 17 is a side view of the soldering device of the present invention with a desoldering attachment attached; FIG. 18 is a side view of a three-way valve forming part of the device of FIG. 17; FIG. 19 is a side view of the three-way valve forming part of the device of FIG. A sectional view of the valve in FIG. 18;
FIG. 20 is a plane M%2 illustrating the interior of the valve of FIG. 19.
FIG. 1 is a front view showing a handle attachment fitted to the instrument of the present invention, and FIG. 22 is a side view of the handle, partially in section, taken along line 22--22 in FIG. 21. 10: Housing 11: Heater element sleeve 12: Soldering tip 13: Threaded retainer collar 14: External sleeve 15: Rear cord bushing 16: Strain relief element 17: Electrical cord 20: Opening 21: Internal opening 25: Shoulder 27: Ridge-shaped protrusion 28: Groove 30: Circuit board 31: External thread 32: Electronic component 36: External collar 37: Rear collar 42: Planar portion 60: Front fixing bushing 61: External thread 65: Raised part 82: Dovetail 85: Control button 90: Switch 1-1o O: Solder removal nozzle 104: Valve 116: Horizontal groove 125: Change of name of handle agent Motoi Kurauchi Hirodo Kurahashi Akira

Claims (1)

Claims: (1) having a hollow housing having an electronic temperature control device and adapted to contain a circuit board supporting electronic components; 1 with protrusions in the direction, each pair of protrusions serving as a guide for the circuit board;
A solder joint forming two longitudinal grooves having a substantially constant distance from each other is a device having a plurality of longitudinally extending substantially parallel grooves having internal threads. a retainer collar (I3) for said housing having qη on its outside;
has an external thread (31) near one end thereof which engages with the thread of said retaining collar, and said retaining collar has an external annular shoulder I'? at its end opposite the thread. the housing has an opening (21) substantially intermediate between its ends for controlling the elements of the circuit board, and the housing has an internal opening (21) in the vicinity of its other end (2) A ridge cord bushing (+51) having an external circular extension ('(η) is provided at one end thereof, and the bushing is The protrusion C of the housing has a generally conical shape and is located at a wide end thereof facing the extension.
An external annular shoulder (: ++i) having two opposing planar portions having dimensions opposite to 2η; (3) mating with the annular shoulder Q9 of the housing; Claim 1 or 2, which has an external annular projection (4?) and is provided with a strain relief resistor (4?) for holding an electrical cord (1η) connectable to a circuit board. The described soldering is an instrument. (4) A front bushing r+;
: the front core bushing has a pair of projections 1 which can extend into and cooperate with the openings in the housing, and these projections are trackable inwardly into the housing. 2. A soldering tool according to claim 1, further comprising means (61) for enabling the soldering device to be pushed into the opening and to be placed in the opening. 5. A soldering device according to claim 4, wherein said means includes an internal ridge within said front bushing. (6) The bushing has two planar portions σ; G) arranged opposite to each other, the planar portions having dimensions that allow the bushing to pass over the protrusion of the housing. Soldering described in Scope 5 is a device. (7) The bushing has an outer surface with a hexagonal recess C1, and the heater element sleeve is attached to one end of the bushing.
6. A soldering device according to claim 5, further comprising a hexagonal protrusion that matches the rectangular recess and seats the heater element. 8. A soldering device according to claim 7, wherein an electrical connection is made and said heater sleeve includes quick connection means for said electrical connection aK and means for replacing the heater element. (9) A temperature control element (F!9) is provided for insertion into the opening of the housing, and a cross is provided for the temperature control element to engage the current control element tI(j) of the circuit board. Claim 1, wherein the current control element has a corresponding cross-shaped recess, and the current flowing through the current control element is controlled by rotation of the temperature control element. The soldering device according to any one of items 1 to 8 is a soldering device.01 A compression spring is provided between the cleanliness control element and the control element, the element includes a switch, and the control element is connected to the soldering device. The soldering device according to claim 9, wherein the switch is pressed to close by applying pressure. (11) An adapter sleeve 9 is provided,
The adapter sleeve has a plurality of internal grooves 177 extending longitudinally and substantially parallel to each other and matching the grooves of the front retainer collar, and the adapter sleeve 2. A soldering device as claimed in claim 1, having a length such that it is longitudinally movable against said external annular shoulder of said soldering device. 02. A soldering device as claimed in claim 11, wherein the adapter sleeve is provided on its outside with a protruding dovetail for accommodating different attachments. 0 (The soldering device according to claim 11, wherein the retainer collar has an annular flexible collar positionable adjacent to the adapter sleeve. 04 A three-way valve (104) is provided. 13. The soldering device of claim 12, wherein the valve has two grooves on opposite sides thereof, and wherein the valve has an input, an output, and a central opening for three-way operation. ) one of said openings allows air input, the other two
15. The soldering device of claim 14, wherein the two openings are for venting air to a vacuum source. Oe A handle (125) is provided, the handle having a plurality of substantially parallel internal grooves engaging the external grooves of the retainer collar, the solder being compressed to retain the instrument. The soldering described in item 1 is a device. 0 - A self-contained hand-actuated soldering device of the type having an electronic temperature control device comprises: a hollow housing for containing a circuit board for supporting electronic components; having an extending protrusion, the six pairs of protrusions forming a longitudinal groove;
A straw groove has a substantially constant clearance for guiding and retaining the circuit board, and further includes external threads proximate one end thereof and a groove in a direction diverging from the one end. a housing having an outwardly extending shoulder; and a retaining collar having an internal thread that engages with an external thread of the housing and abuts against and abuts the shoulder; A groove having a plurality of external grooves parallel to each other and having longitudinal grooves 12 and having a length such that it holds a plurality of grooves for energizing the electronic components on the front circuit board. Soldering, which is a Q1 symptom, is a device.