DE8214042U1 - Electric soldering iron - Google Patents

Description

^ Electric soldering iron ^ »

The innovation concerns an electric soldering iron, which consists of a handle and a soldering tip heat transferring enclosing heating cartridge consists,

Known soldering irons of this type have no protection against burns during handling during the Soldering process and thus do not exclude the risk of physical injury. Furthermore, when soldering electrical wiring on electrical components damages the insulation of neighboring wires and cables will.

A soldering iron known from DE-AS 2923827 has a specially designed soldering tip for the purpose of Attenuation of heat radiation, but also does not offer any effective protection against burns.

The task of the innovation is to prevent burns of the body parts when soldering and in systems with a dense cable network insulation damage reliably

to avoid. i.

According to the innovation, this object is achieved with a soldering iron of the type explained in that the soldering tip and

Heating cartridge are coaxially surrounded by a protective sleeve ^; ; <

the contrary to the effect of one between her and the ί

Handle facing the end and the handle on- '■

ordered spring element is axially displaceable. The protective sleeve can advantageously be used as part of a lock |

formed and in a |

Position can be determined. Since during the soldering process through ';

axial displacement of the protective sleeve only a part j

If the soldering tip is freely accessible, there is a risk of physical injury or damage to the insulation almost impossible.

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The corresponding safety regulations are also used According to VDE not affected, as no changes were made to the electrical part of the soldering iron.

Further details and advantages of the innovation are set out in subclaims 2 to 13.

The innovation is shown in the drawings based on three exemplary embodiments and is then shown in more detail explained. Show it:

FIGS. 1, 2 and 3 each show a different embodiment of one

electric soldering iron partly in longitudinal section,

Pig. 4 pipe section of the soldering iron according to Fig. 1

in side view and pig. 5 a clamping plate of the soldering iron according to

Fig. 3

With those in the Pig. 1 to 3 shown soldering irons are the same or equivalent parts with the same but provided reference numbers increased by a factor of 10. The electric soldering iron according to Pig.1 has a Handle 1 through which an electrical power cable 2 is passed to a heating cartridge 3 attached to the handle is ,, which coaxially encloses a soldering tip 4 made of copper. The soldering tip and heating cartridge are from one Surrounding protective sleeve 5, which is axially displaceable with a cam 6 in a guide slot 7 with the Handle 1 at 8 firmly connected pipe section 9 is performed. The guide slot 7 is like the illustration of the pipe section 9 in Fig. 4 shows, T-shaped, so that a locking of the protective sleeve 5 when moving in the direction of arrow 18 and subsequent rotation by locking the cam in the manner of a bayonet lock can take place in the yoke recesses of the guide slot 7, whereby the soldering tip 4 is brought into the working position is.

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During this process we shall have a look! Heating cartridge arranged on a stop surface 9'am ^ ear piece and the compression spring 11 resting against the free end of the protective sleeve 5 is tensioned. A slight twist of the handle formed cam 6 in the middle position of the guide rope] itzes 7 causes the relaxation of the Compression spring 11 causes the protective sleeve 5 to move automatically counter to the direction of the arrow 18 in the direction shown in FIG Fig. 1 shown starting position, in which the soldering tip on all sides as protection against unintentional contact is covered. Cover ring 12 placed on the free end of the pipe section limits the axial displacement the protective sleeve 5 in the non-working position of the soldering iron.

The electric soldering iron according to FIG. 2 has a handle 10 through which an electric power cable 20 passes is guided to a heating cartridge 30 attached to the handle 10, which coaxially has a soldering tip 40 made of copper encloses. Soldering tip 40 such as heating cartridge 30 are surrounded by a two-part protective sleeve 50, 50 'with the handle bead 60 on a firmly connected to the handle 10 at 80 Guide sleeve 15 is axially displaceable. The protective sleeve parts 50,5θ 'are firmly connected to one another at 14. By pulling back the protective sleeve 50.5θ 'on the grip bead 60 in the direction of arrow 180, the soldering tip 40 is brought into the working position and thus the spring element 110 is tensioned. Letting go of the grip bead 60 causes the spring element 110 to relax and thus relaxes it independently Shift against the direction of arrow 180 back into the starting position shown in FIG. 2, in which the soldering tip 40 is covered on all sides against unintentional contact. The stop surface 15 'on the Guide sleeve 15 limits the axial displacement of the Protective sleeve 5Ο, 5θ 'in the non-working position of the Soldering iron.

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The electrical soldering cap <ß · naef> *]? i ^. * 9- * beaitzt as well like the other two models, Fig. 1 and Fig. 2, a handle 100 in which a power cable 200 to the heating cartridge 300 is performed. The heating cartridge 300, which coaxially surrounds the soldering tip 400, is of a protective sleeve 500 surround the with a push button 600 axially displaceable in a guide slot 70 one with the Handle 100 with 800 firmly connected pipe section 90 is. As the illustration of the clamping plate 17 in FIG. 5 shows, the guide slot 70 is in the form of a groove with a large bore 14 formed at the end, so that an automatic locking of the protective sleeve 500 when closing in the direction of arrow 1800 takes place by subsequently letting go of the push button 6OO, which by the pressure of the rivets 19 attached to the protective sleeve 500 spring tongue 13 in the Hole 14 and thus the soldering tip 400 is brought into the working position. During this process, one on the Heating cartridge arranged on a stop surface 9Ol, on Pipe section 90 and compression spring 1100 resting against the free end of protective sleeve 500 is tensioned. An easy one Pressure on the push button 600 designed as a handle causes the pressure spring 1100 to relax automatic displacement of the protective sleeve 500, against the direction of arrow 1800, into that shown in FIG. 3 Starting position in which the soldering tip 400 is covered on all sides as protection against unintentional contact.

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Claims (1)

S c use claims Electric soldering iron consisting of a handle and a soldering tip that transfers heat surrounding heating cartridge, characterized in that the soldering tip (4,40,400) and heating cartridge (3,30,300) surrounded coaxially by a protective sleeve (5.5Ο, 5θΙ, 500) are that counter to the action of one between their end facing the handle (1,10,100) and the handle (1,10,100) arranged spring element (11,110,1100) is axially displaceable. Soldering iron according to claim 1, characterized in that the protective sleeve (5,5Ο, 5θ ', 500) as part of a Locking is formed and can be determined in a position releasing the soldering tip (4,40,400). Soldering iron according to claim 1, characterized in that the protective sleeve (5, 5O, 5Ol, 500) on its soldering tip (4,40,400) has a handle (6,60,600) facing away from the free end. Soldering iron according to Claim 3, characterized in that the handle (60) is designed as an annular bead. Soldering iron according to claims 1, 3 and 4, characterized in that the protective sleeve (5Ο, 5θΙ) is constructed in two parts, the one sleeve part (50 ¹ ) having the handle (60), a housing for the spring element (110) and a stop (15 ') forms with the handle piece (10) "to limit the feed path of the protective sleeve (50,5θ') and is connected to the other sleeve part (50) like a sleeve (14). Soldering iron according to claims 1, 2 and 3 , characterized in that the protective sleeve (5) at its end facing away from the soldering tip (4) has a cam (6) as a handle which is guided in a guide (7) of a pipe section (9) connected to the handle (1) and in a position of the protective sleeve (5) releasing the soldering tip (4) can be locked. -5- 7. Soldering iron according to claim 6, characterized in that the guide as rectangular or T-shaped running slot (7) is formed in which the cam (6) when rotating the protective sleeve (5) in the working position of the soldering iron (soldering tip unprotected) can be locked like a bayonet lock. 8. Soldering iron according to claims 6 and 7, characterized in that the soldering tip (4) facing, The end of the pipe section (9) coaxially surrounding the protective sleeve (5) ensures the axial displacement of the protective sleeve (5) in the direction of the soldering tip (4) has limiting cover ring (12). 9. Soldering iron according to claims 1, 2, 3 and 6, characterized in that the protective sleeve (500) has a push button (600) as a handle instead of a Uockens. 10. Soldering iron according to claim 9, characterized in that the push button at the free end of a fixed with the protective sleeve (500) connected resilient tongue (13) is arranged and with a shaft guided in a longitudinal slot (70) of the pipe section (90) forming the axial guide and under the action the spring force of the tongue (13) can be latched into the slot end (14) which is widened in the form of a hole. 11. Soldering iron according to claim 10, characterized in that the longitudinal slot (14) is located in a pipe section outer jacket (90) attached clamping plate (17) is located. 12. Soldering iron according to claim 1 and one or more of the other claims, characterized in that the protective sleeve (5, 50, 50 ^, 500) made of heat-resistant material Material, in particular a material known commercially under the name "Teflon". 13. Soldering iron according to claim 1 and 12, characterized in that the protective sleeve (5,50,5ol, 500) for Prevention of heat build-up is perforated on its circumference. -6-