CN113458530B

CN113458530B - Electric soldering iron

Info

Publication number: CN113458530B
Application number: CN202110927969.3A
Authority: CN
Inventors: 潘晓峰; 沈锋; 王金金
Original assignee: Shaoxing Shangyu Vocational Education Center Shangyu Technical School
Current assignee: Shaoxing Shangyu Vocational Education Center Shangyu Technical School
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-04-01
Anticipated expiration: 2041-08-13
Also published as: CN113458530A

Abstract

The invention discloses an electric soldering iron which comprises a soldering bit and a handle, wherein a universal rotating ball is rotatably arranged on the handle, the soldering bit is movably arranged on the universal rotating ball in a penetrating mode, one end of the soldering bit is movably limited in the handle, a counterweight body is arranged at the end part of the soldering bit, and when the soldering bit is horizontally arranged, the counterweight body descends to enable one end, extending out of a guide shell, of the soldering bit to be tilted upwards. Adopt this structure to make the soldering iron can automatic perk when the electric iron is keeping flat for the high temperature position of soldering iron tip keeps away from the operation mesa, prevents that the operation mesa is burnt to the heat radiation that the soldering iron high temperature position sent, even the maloperation of putting the electric iron on the operation mesa horizontally appears, the danger of burning the operation mesa even firing can not appear yet.

Description

Electric soldering iron

Technical Field

The invention belongs to the technical field of electric soldering irons, and particularly relates to an electric soldering iron.

Background

The electric soldering iron is a necessary tool for electronic manufacturing and electric appliance maintenance, mainly used for welding elements and conducting wires, can be divided into an internal heating type electric soldering iron and an external heating type electric soldering iron according to mechanical structures, can be divided into a non-tin-suction type electric soldering iron and a tin-suction type electric soldering iron according to functions, and can be divided into a high-power electric soldering iron and a low-power electric soldering iron according to different purposes.

The electric soldering iron comprises a soldering iron head, a soldering iron core, a shell, a handle, a power supply lead, a plug and the like, wherein the soldering iron core is electrified to generate heat in the use process, the temperature of the soldering iron head is high in the use process of the electric soldering iron, an electric soldering iron support is generally needed to be matched when the existing electric soldering iron is used, and the soldering iron head needs to be placed on the electric soldering iron support when the electric soldering iron is placed in a use gap, so that the situation that the operation table is damaged or even ignited due to the fact that the soldering iron head is placed horizontally and is too close to the operation table is avoided. When the electric soldering iron is used, especially some inexperienced users are involved in welding electric elements when using the electric soldering iron, for example, students carry out electronic practice, the electric soldering iron is often neglected, the electric soldering iron is easily put on the operation table board in a horizontal mode, and therefore the danger of burning the operation table board and even firing is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the electric soldering iron, when the electric soldering iron is horizontally placed, the soldering iron head can automatically tilt, so that the high-temperature part at the end part of the soldering iron head is far away from the operation table top, the operation table top is prevented from being burnt by the heat radiation emitted by the high-temperature part of the soldering iron head, and even if the misoperation of horizontally placing the electric soldering iron on the operation table top occurs, the operation table top is not burnt and even the danger of firing does not occur.

In order to solve the technical problem, the invention is solved by the following technical scheme: the utility model provides an electric iron, includes soldering bit and handle, it is provided with universal rolling ball to rotate on the handle, universal rolling ball goes up the activity and wears to be equipped with the soldering bit, soldering bit one end mobilizable spacing in the handle, and this tip is provided with the weight body, works as when the soldering bit is put flat, the weight body descends so that the soldering bit stretches out the one end upwarping of direction casing. Adopt this structure to make the soldering iron can automatic perk when the electric iron is keeping flat for the high temperature position of soldering iron tip keeps away from the operation mesa, prevents that the operation mesa is burnt to the heat radiation that the soldering iron high temperature position sent, even the maloperation of putting the electric iron on the operation mesa horizontally appears, the danger of burning the operation mesa even firing can not appear yet.

In the above technical solution, preferably, the handle is provided with a soldering bit positioning mechanism. By adopting the structure, the soldering bit can be positioned by the soldering bit positioning mechanism when the electric soldering iron is in a use state, so that the operation is convenient.

In the above technical scheme, preferably, the soldering bit positioning mechanism includes a guide rod arranged on the handle in a penetrating manner, a button is arranged at the outer end of the guide rod, a return spring is arranged between the button and the outer side surface of the movable shell, a positioning block is arranged at the inner end of the guide rod, the positioning block is pressed into the handle and is matched with the end face of the handle to position one end of the soldering bit in the handle. Adopt this structure to make to adopt this kind of soldering bit positioning mechanism can be convenient location soldering bit when using the electric iron, can fix a position the soldering bit when the hand of holding the handle presses the button, can make the soldering bit movable when loosening, if the electric iron is put by the tie, the soldering bit can automatic perk.

In the above technical solution, preferably, the soldering bit positioning mechanisms are disposed on two opposite sides of the handle. By adopting the structure, the soldering bit is positioned more stably when in use.

In the above technical solution, preferably, the handle is provided with a power switch.

Among the above-mentioned technical scheme, it is preferred, the handle includes direction casing and movable housing, be provided with in the direction casing and support and push away movable housing's first elastic component, soldering bit one end mobilizable spacing in the movable housing, universal rolling ball rotate set up in on the direction casing, the last axial of movable housing is provided with the guiding hole, be provided with on the direction casing and penetrate the spacing portion of guiding hole, be provided with the movable rod on the movable housing, be provided with on the movable rod with spacing portion complex limit hook, movable rod one end is provided with the second elastic component, the movable rod other end stretches out movable housing. The electric soldering iron can be unfolded and folded, and the soldering iron head can be contained in the handle in the folded state, so that scalding can be prevented, and the soldering iron head can be prevented from being damaged when not in use.

Among the above-mentioned technical scheme, it is preferred, be close to in the movable housing the inner of movable rod is provided with the electro-magnet, the movable rod is close to at least the one end of electro-magnet is iron, direction casing and movable housing periphery are provided with the electric conductor, the soldering bit surface is made by conducting material, be provided with control circuit board in the handle, the electric conductor the surface of soldering bit and the electro-magnet all is connected with control circuit board, the electric conductor with during the electrically conductive intercommunication of soldering bit, control circuit board control the electro-magnet circular telegram is so that spacing hook slides with spacing portion breaks away from, first elastic component promotes movable housing slides so that the soldering bit retracts in the handle. When the electric soldering iron is used, the first elastic piece is in a compression state, the soldering bit extends out from the end part of the guide shell, the handle is held by one hand to be in contact with the electric conductor, the outer surface of the soldering bit is made of a conductive material, if the other body part is in contact with the soldering bit, the electric conductor is communicated with the soldering bit in a conductive mode, the control circuit board controls the electromagnet to be electrified, the limiting hook is separated from the limiting part, the soldering bit is retracted into the handle rapidly through the elastic force of the first elastic piece, the body is prevented from being burnt by the soldering bit, and the safety is effectively improved.

In the above technical scheme, preferably, one end of the guide housing, which is far away from the movable housing, is provided with a first end cover, and the center of the first end cover is rotatably provided with the universal rotating ball.

In the above technical scheme, preferably, a second end cover is arranged at one end of the movable shell, which is far away from the guide shell, and the movable rod, the second elastic piece and the electromagnet are arranged on the second end cover.

In the above technical solution, preferably, one end of the soldering bit is movably limited in the movable housing, and when the limiting hook is separated from the limiting portion, the elastic force of the first elastic member limits the end of the soldering bit located in the movable housing between the limiting portion and the end face of the movable housing. Adopt this structure can be under the state of drawing in, under the state that first elastic component flicked movable housing to furthest department promptly, prevent that the soldering bit from rocking.

Compared with the prior art, the invention has the following beneficial effects: adopt this structure to make the soldering iron can automatic perk when the electric iron is keeping flat for the high temperature position of soldering iron tip keeps away from the operation mesa, prevents that the operation mesa is burnt to the heat radiation that the soldering iron high temperature position sent, even the maloperation of putting the electric iron on the operation mesa horizontally appears, the danger of burning the operation mesa even firing can not appear yet.

Drawings

Fig. 1 is a schematic structural view of a furled state in embodiment 1 of the present invention.

Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.

Fig. 3 is a schematic structural view of the expanded state in embodiment 1 of the present invention.

Fig. 4 is a schematic sectional view along the direction B-B in fig. 3.

Fig. 5 is a partially enlarged view of fig. 4.

Fig. 6 is a schematic view of the electromagnet in fig. 5 being energized or the movable lever being pressed.

Figure 7 is a schematic view of the soldering iron tip retracted into the handle in the extended state according to example 1 of the present invention.

Fig. 8 is a schematic structural view of an electric soldering iron in embodiment 1 of the present invention when it is placed horizontally.

Fig. 9 is a schematic sectional view showing a state of use of embodiment 2 of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 8, in embodiment 1, an electric soldering iron includes a soldering bit 1 and a handle 2, a universal ball 7 is rotatably disposed on the handle 2, the soldering bit 1 is movably disposed on the universal ball 7 in a penetrating manner, one end of the soldering bit 1 is movably limited in the handle 2, and a counterweight body 11 is disposed at the end of the soldering bit 1, and when the soldering bit 1 is horizontally disposed, the counterweight body 11 descends to tilt up the end of the soldering bit 1 extending out of the guide housing 21. Adopt this structure to make soldering bit 1 can automatic perk when the electric iron is keeping flat for the high temperature position of soldering bit 1 tip is kept away from the operation mesa, prevents that the thermal radiation that 1 high temperature position of soldering bit sent from burns the operation mesa, even the maloperation of putting the electric iron on the operation mesa horizontally appears, the danger of burning the operation mesa even getting on fire can not appear yet.

In this embodiment, the handle 2 is provided with a soldering bit positioning mechanism 5. By adopting the structure, the soldering bit 1 can be positioned by the soldering bit positioning mechanism 5 when the electric soldering iron is in a use state so as to be convenient to operate.

In this embodiment, the soldering bit positioning mechanism 5 includes a guide rod 51 penetrating the handle 2, a button 52 is disposed at an outer end of the guide rod 51, a return spring 53 is disposed between the button 52 and an outer side surface of the movable housing 22, a positioning block 54 is disposed at an inner end of the guide rod 51, and the positioning block 54 is pressed into the handle 2 and is matched with an end surface of the handle 2 to position one end of the soldering bit 1 located in the handle 2. By adopting the structure, the soldering bit positioning mechanism can conveniently position the soldering bit 1 when using an electric soldering iron, the soldering bit 1 can be positioned when the button 52 is pressed by a hand holding the handle 2, the soldering bit 1 can be moved when the button is loosened, and the soldering bit 1 can be automatically tilted if the electric soldering iron is horizontally placed.

In this embodiment, the opposite sides of the handle 2 are provided with soldering iron positioning mechanisms 5. By adopting the structure, the soldering bit 1 is positioned more stably when in use.

In this embodiment, the handle 2 is provided with a power switch 6.

In this embodiment, the handle 2 includes a guiding housing 21 and a movable housing 22, a first elastic member 23 is provided in the guiding housing 21 and abuts against and pushes the movable housing 22, one end of the soldering bit 1 is movably limited in the movable housing 22, the universal rotating ball 7 is rotatably disposed on the guiding housing 21, a guiding hole 221 is axially disposed on the movable housing 22, a limiting portion 211 penetrating the guiding hole 221 is provided on the guiding housing 21, a movable rod 222 is provided on the movable housing 22, a limiting hook 2221 matched with the limiting portion 211 is provided on the movable rod 222, one end of the movable rod 222 is provided with a second elastic member 223, and the other end of the movable rod 222 extends out of the movable housing 22. The electric soldering iron can be unfolded and folded, and the soldering bit 1 can be contained in the handle 2 in the folded state, so that scalding can be prevented, and the soldering bit 1 can be prevented from being damaged when not in use.

In this embodiment, an electromagnet 224 is disposed at an inner end of the movable housing 22 close to the movable rod 222, at least one end of the movable rod 222 close to the electromagnet 224 is made of iron, the electric conductors 3 are disposed at peripheries of the guide housing 21 and the movable housing 22, an outer surface of the soldering iron tip 1 is made of a conductive material, a control circuit board 4 is disposed in the handle 2, the electric conductors 3, the outer surface of the soldering iron tip 1 and the electromagnet 224 are all connected to the control circuit board 4, when the electric conductors 3 are electrically communicated with the soldering iron tip 1, the control circuit board 4 controls the electromagnet 224 to be energized so that the limiting hook 2221 slides to be separated from the limiting portion 211, and the first elastic member 23 pushes the movable housing 22 to slide so that the soldering iron tip 1 retracts into the handle 2. In this embodiment, the first elastic member 23 and the second elastic member 223 are both springs, the conductive body 3 can be a conductive coating or a conductive contact piece on the outer periphery of the guiding shell 21 and the movable shell 22, the control circuit board 4 can control the electromagnet 224 to be electrified through any existing control circuit, and the voltage of the outer surface circuit connecting the conductive body 3 and the soldering iron head 1 must be a safe voltage, can be supplied by an internal battery, and can also be converted by a transformer. In the furled state of the electric soldering iron, referring to fig. 2, the first elastic member 23 is compressed by the movable housing 22 towards the direction of the guiding housing 21 until the limit part 211 passes over the limit hook 2221 and is hooked by the limit hook, referring to fig. 4, the limit part 211 passes over the limit hook 2221 by means of externally pressing the movable rod 222, for more convenient spreading, in the present embodiment, the limit hook 2221 is provided with a guide inclined surface 2222, and the second elastic member 223 is compressed by the guide of the guide inclined surface 2222 when the limit part 211 moves towards the limit hook 2221, so that the limit part 211 passes over the limit hook 2221 and is hooked by the limit hook 2221 without pressing the movable rod 222, when the furled state is recovered from the furled state, the limit hook 2221 is separated from the movable rod 222 by pressing the movable rod 222, and when the furled state is automatically recovered by the elastic force of the first elastic member 23, when the electric soldering iron is used, the electric iron is in the expansion state, soldering bit 1 stretches out from leading casing 21 tip, and handle 2 can contact electric conductor 3 by handheld one hand, and soldering bit 1 surface is made by conducting material, and if other health position contacted soldering bit 1 can make electric conductor 3 with soldering bit 1 electrically conductive intercommunication, control circuit board 4 can control electro-magnet 224 circular telegram this moment for spacing hook 2221 breaks away from with spacing portion 211, thereby retract soldering bit 1 into handle 2 fast by the elasticity of first elastic component 23, thereby prevent that the body from being burnt by the soldering bit, effectively promote the security.

In this embodiment, for the convenience of installation, the end of the guide housing 21 away from the movable housing 22 is provided with a first end cap 213, and the center of the first end cap 213 is rotatably provided with a universal rotating ball 7. The guide housing 21 and the first end cap 213 may be connected by a screw or a snap connection, and the end of the movable housing 22 away from the guide housing 21 is provided with a second end cap 225, and the movable rod 222, the second elastic member 223 and the electromagnet 224 are all disposed on the second end cap 225. The movable housing 22 and the second end cap 225 may be connected by a screw or a snap connection.

In a furled state, that is, in a state where the first elastic element 23 springs the movable housing 22 to a farthest position, in order to prevent the soldering bit 1 from shaking, one end of the soldering bit 1 is movably limited in the movable housing 22, and when the limiting hook 2221 is separated from the limiting portion 211, one end of the soldering bit 1 in the movable housing 22 is limited between the limiting portion 211 and the end surface of the movable housing 22 by the elastic force of the first elastic element 23.

Referring to fig. 9, in embodiment 2, an electric soldering iron includes a soldering bit 1 and a handle 2, a universal ball 7 is rotatably disposed on the handle 2, the soldering bit 1 is movably disposed on the universal ball 7 in a penetrating manner, one end of the soldering bit 1 is movably limited in the handle 2, and a counterweight 11 is disposed at the end of the soldering bit 1, and when the soldering bit 1 is horizontally disposed, the counterweight 11 descends to tilt up an end of the soldering bit 1 extending out of a guide housing 21. Adopt this structure to make soldering bit 1 can automatic perk when the electric iron is keeping flat for the high temperature position of soldering bit 1 tip is kept away from the operation mesa, prevents that the thermal radiation that 1 high temperature position of soldering bit sent from burns the operation mesa, even the maloperation of putting the electric iron on the operation mesa horizontally appears, the danger of burning the operation mesa even getting on fire can not appear yet.

In this embodiment, the handle 2 is provided with a power switch 6.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an electric iron, includes soldering iron (1) and handle (2), its characterized in that: rotate on handle (2) and be provided with universal rolling ball (7), universal rolling ball (7) go up the activity and wear to be equipped with soldering iron (1), soldering iron (1) one end mobilizable spacing in handle (2), and this tip is provided with counterweight body (11), handle (2) are including direction casing (21) and activity casing (22), work as when soldering iron (1) is put flatly, counterweight body (11) descend so that soldering iron (1) stretches out the one end upwarp of direction casing (21), be provided with in direction casing (21) and support and push away first elastic component (23) of activity casing (22), spacing of soldering iron (1) one end activity in activity casing (22), universal rolling ball (7) rotate set up in on direction casing (21), the axial is provided with guide hole (221) on activity casing (22), be provided with on direction casing (21) and penetrate spacing portion (211) of guiding hole (221), be provided with movable rod (222) on activity casing (22), be provided with on movable rod (222) with spacing portion (211) complex spacing hook (2221), movable rod (222) one end is provided with second elastic component (223), the movable rod (222) other end stretches out activity casing (22), be close to in activity casing (22) the inner of movable rod (222) is provided with electro-magnet (224), movable rod (222) are close to at least the one end of electro-magnet (224) is iron, direction casing (21) and activity casing (22) periphery are provided with electric conductor (3), flatiron (1) surface is made by conductive material, be provided with control circuit board (4) in handle (2), electric conductor (3), The outer surface of the soldering bit (1) and the electromagnet (224) are connected with the control circuit board (4), the electric conductor (3) is in conductive communication with the soldering bit (1), the control circuit board (4) controls the electromagnet (224) to be electrified so that the limiting hook (2221) slides to be separated from the limiting part (211), the first elastic piece (23) pushes the movable shell (22) to slide so that the soldering bit (1) retracts into the handle (2), the handle (2) is provided with a soldering bit positioning mechanism (5), the soldering bit positioning mechanism (5) comprises a guide rod (51) penetrating through the handle (2), the outer end of the guide rod (51) is provided with a button (52), and a reset spring (53) is arranged between the button (52) and the outer side surface of the movable shell (22), the inner end of the guide rod (51) is provided with a positioning block (54), and the positioning block (54) is pressed into the handle (2) and matched with the end face of the handle (2) to position one end, located in the handle (2), of the soldering iron head (1).

2. An electric soldering iron as claimed in claim 1, in which: the two opposite sides of the handle (2) are provided with the soldering bit positioning mechanisms (5).

3. An electric soldering iron as claimed in claim 1, in which: the handle (2) is provided with a power switch (6).

4. An electric soldering iron as claimed in claim 1, in which: one end, far away from the movable shell (22), of the guide shell (21) is provided with a first end cover (213), and the center of the first end cover (213) is rotatably provided with the universal rotating ball (7).

5. An electric soldering iron as claimed in claim 1, in which: one end, far away from the guide shell (21), of the movable shell (22) is provided with a second end cover (225), and the movable rod (222), the second elastic piece (223) and the electromagnet (224) are all arranged on the second end cover (225).

6. An electric soldering iron as claimed in claim 1, in which: when the limiting hook (2221) is separated from the limiting part (211), one end of the soldering iron head (1) positioned in the movable shell (22) is limited between the limiting part (211) and the end face of the movable shell (22) by the elasticity of the first elastic piece (23).