CN214443685U

CN214443685U - Hand-held low-voltage direct-current electric iron

Info

Publication number: CN214443685U
Application number: CN202120642317.0U
Authority: CN
Inventors: 邵建伟; 成家忠
Original assignee: Changzhou Saipo Electric Appliance Co ltd
Current assignee: Changzhou Saipo Electric Appliance Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-22
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a hand-held type low voltage direct current flatiron belongs to the electric iron field. The utility model discloses an electric iron, including handheld handle and soldering iron subassembly, the soldering iron subassembly is installed in the tip of handheld handle detachably, and the soldering iron subassembly is including iron stand, soldering iron installation pipe, soldering iron and pottery generate heat the core, and the one end fixed mounting of soldering iron installation pipe is on iron stand, and the inside necking down of the other end forms the portion of generating heat, and the soldering iron is established in the outside of the portion of generating heat detachably, and the pottery generates heat the inside of the portion of generating heat to be connected through the wire and the electrical property plug connector in the iron stand. The whole soldering bit assembly of the utility model can be disassembled and replaced, thus improving the interchangeability of the hand-held handle and the soldering bit assembly; and, the soldering bit and the pottery core that generates heat are installed through the soldering bit installation pipe for the pottery core that generates heat is through the heat transfer of installation pipe, and the installation of the pottery core that generates heat and the quick replacement of soldering bit of being convenient for have improved the use flexibility of electric iron and the change convenience of easily damaging the easy-to-wear piece.

Description

Hand-held low-voltage direct-current electric iron

Technical Field

The utility model relates to an electric iron, more specifically say, relate to a hand-held type low voltage direct current electric iron.

Background

The electric soldering iron is a necessary tool for electronic manufacture and electric appliance maintenance, and is mainly used for soldering electric appliance elements, conducting wires and the like.

At present, it is very common to use ceramic to generate heat the core and generate heat in the electric iron, and common structure is that directly the cover establishes the soldering bit on ceramic generates heat the core, generates heat the core through ceramic and heats the soldering bit and weld, and the soldering bit belongs to the consumable part, just needs to be changed after using a period, directly overlaps the soldering bit difficult to detach on ceramic generates heat the core, and adopts the fixed soldering bit of nut, needs the elasticity nut just can change the soldering bit, changes also troublesome relatively. Moreover, the ceramic heating core is usually directly connected with the internal circuit of the handle, and the whole electric soldering iron cannot be used continuously after the ceramic heating core is damaged.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to overcome the defects that the existing electric soldering iron adopting the ceramic heating core is inconvenient in iron head replacement and the like, and provides a handheld low-voltage direct current electric soldering iron, by adopting the technical scheme of the utility model, an iron head component is detachably arranged at the end part of a handheld handle through an electric splicing mechanism, the whole iron head component can be detached and replaced, and the interchangeability of the handheld handle and the iron head component is improved; and, the soldering bit and pottery generate heat the core and install through soldering bit installation pipe, and the soldering bit is established in the outside of the portion that generates heat of soldering bit installation pipe detachably cover, and the inside of the portion that generates heat is located to pottery generate heat the core for pottery generates heat the core and transmits heat through the installation pipe, and the pottery of being convenient for generates heat the installation of core and the quick replacement of soldering bit has improved the use flexibility of electric iron and the change convenience of easily losing the easy-to-wear part.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a hand-held type low voltage direct current electric iron, including handheld handle and soldering iron subassembly, the soldering iron subassembly install in the tip of handheld handle detachably through electrical property grafting mechanism, the soldering iron subassembly including iron seat, soldering iron installation pipe, soldering iron and pottery generate heat the core, the one end fixed mounting of soldering iron installation pipe on iron seat, the other end of soldering iron installation pipe inwards necking down and form the portion of generating heat, the soldering iron can detachably overlap and establish in the outside of the portion of generating heat, pottery generate heat the core and locate the inside of the portion of generating heat to be connected through the wire and the electrical property plug connector in the iron seat.

Furthermore, an insulating sleeve is arranged at the joint of the ceramic heating core and the lead.

Furthermore, the ceramic heating core is made of an alumina ceramic heating body.

Furthermore, the soldering bit mounting tube is a stainless steel extension tube, one end of the soldering bit mounting tube, which is far away from the heating part, is provided with a rotation stopping notch and a connecting hole, and the soldering bit seat is internally provided with a rotation stopping rib matched with the rotation stopping notch and a connecting post matched with the connecting hole.

Furthermore, the soldering iron seat is formed by combining a first seat body and a second seat body, the first seat body and the second seat body are buckled to clamp the soldering iron head mounting pipe in the soldering iron seat, and the first seat body and the second seat body are connected through screws.

Furthermore, the electric connector in the soldering iron seat is a female plug, the front end of the handheld handle is provided with a jack which is in plug-in fit with the rear end of the soldering iron seat, and a male plug which is matched with the female plug is arranged in the jack.

Furthermore, the outer wall of the rear end of the iron seat is provided with a guide groove, and the inner wall of the front end jack of the handle is provided with a guide rib matched with the guide groove.

Furthermore, the handheld handle in be equipped with lithium cell and control circuit board, the handheld handle outer wall on be equipped with control circuit board electric connection's switch and charging hole, the lithium cell pass through control circuit board and public plug electric connection.

Furthermore, the direct current output voltage of the control circuit board is 4-12V.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a hand-held type low voltage direct current electric iron, it includes handheld handle and soldering bit subassembly, and the soldering bit subassembly is installed in the tip of handheld handle through electric property grafting mechanism detachably, and the soldering bit subassembly is whole to be removable trades, has improved the interchangeability of handheld handle and soldering bit subassembly; the soldering bit assembly comprises a soldering bit seat, a soldering bit mounting tube, a soldering bit and a ceramic heating core, the soldering bit and the ceramic heating core are mounted through the soldering bit mounting tube, the soldering bit is detachably sleeved on the outer side of the heating part of the soldering bit mounting tube, and the ceramic heating core is arranged inside the heating part, so that the ceramic heating core transfers heat through the mounting tube, the mounting of the ceramic heating core and the fast replacement of the soldering bit are facilitated, and the use flexibility of the electric soldering iron and the replacement convenience of easily-damaged and easily-consumed parts are improved;

(2) the utility model discloses a hand-held type low voltage direct current electric iron, its pottery generate heat core still is equipped with the insulating cover with the wire junction, utilizes the insulating cover to insulate and separate the conductive part of wire and pottery generate heat core and soldering bit installation pipe, has prevented effectively that the electric iron from short circuiting and electric leakage; in addition, the insulating sleeve also has a fixing function on the ceramic heating core, so that the ceramic heating core is conveniently and stably arranged in the soldering bit mounting pipe;

(3) the utility model discloses a hand-held low-voltage DC electric iron, the ceramic heating core of which is made of an alumina ceramic heating element, and has the advantages of high thermal efficiency, good surface insulation, high temperature rising speed, long service life, safety, environmental protection and the like;

(4) the utility model discloses a hand-held low voltage direct current electric iron, its soldering bit installation pipe is stainless steel extension pipe, and the soldering bit installation pipe is fixed on the soldering bit through spline and grafting structure, and the soldering bit seat is formed by first pedestal and the combination of second pedestal, and the equipment is simple and convenient, and the firm in connection is stable;

(5) the utility model discloses a hand-held type low voltage direct current electric iron, its electric property plug connector in the soldering iron seat is female plug, and the front end of handheld handle is equipped with the jack that pegs graft with the soldering iron seat rear end and cooperates, locates the public plug that cooperates with above-mentioned female plug in the jack, utilizes public female plug structure to realize the electric connection of handheld handle and soldering iron head subassembly, connects reliably and stably;

(6) the utility model discloses a hand-held low voltage direct current electric iron, still be equipped with the guide way on its back end outer wall of iron seat, still be equipped with the direction muscle that cooperates with above-mentioned guide way on the front end jack inner wall of handheld handle, utilize the direction of direction muscle and guide way, can guarantee handheld handle and soldering bit subassembly grafting position accurate, improved the installation convenience of soldering bit subassembly;

(7) the utility model discloses a hand-held type low voltage direct current electric iron is equipped with lithium cell and control circuit board in its handheld handle, be equipped with on the handheld handle outer wall with control circuit board electric connection's switch and the hole of charging, the lithium cell passes through control circuit board and public plug electric connection, control circuit board's direct current output voltage is 4 ~ 12V, adopts the direct current supply mode, uses nimble safety, convenient to carry.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a hand-held low-voltage dc electric soldering iron of the present invention;

fig. 2 is a schematic view of a split structure of the hand-held low-voltage dc electric soldering iron of the present invention;

FIG. 3 is a schematic cross-sectional view of a soldering bit assembly according to the present invention;

fig. 4 is an exploded view of the soldering bit assembly of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a handle; 1-1, a switch; 1-2, charging holes; 1-3, an indicator light; 1-4, male plug; 1-5, a guide rib; 2. a soldering bit assembly; 2-1, a soldering iron seat; 2-1a, and a rotation stopping rib; 2-1b, connecting columns; 2-1-1, a first seat body; 2-1-2 and a second seat body; 2-2, installing a tube on a soldering bit; 2-2a, a heat generating portion; 2-2b, a rotation stopping notch; 2-2c, connecting holes; 2-3, soldering iron head; 2-4, a guide groove; 2-5, a ceramic heating core; 2-6, conducting wires; 2-7, an insulating sleeve; 2-8 and a female plug.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

[ examples ]

Referring to fig. 1 to 4, a hand-held low voltage dc electric soldering iron of this embodiment, including handheld handle 1 and soldering bit subassembly 2, soldering bit subassembly 2 is installed in the tip of handheld handle 1 detachably through electric property grafting mechanism, soldering bit subassembly 2 adopts detachable connection, soldering bit subassembly 2 is whole detachable to be traded, the interchangeability of handheld handle 1 and soldering bit subassembly 2 has been improved, need not whole to scrap after handheld handle 1 or soldering bit subassembly 2 damages, be convenient for continue to use after the damaged piece of change, the whole life of handheld handle 1 and soldering bit subassembly 2 has been improved. The soldering bit assembly 2 comprises a soldering bit seat 2-1, a soldering bit mounting tube 2-2, a soldering bit 2-3 and a ceramic heating core 2-5, the soldering bit seat 2-1 is used for being connected with the handheld handle 1, the soldering bit mounting tube 2-2 is used for mounting the soldering bit 2-3 and the ceramic heating core 2-5, the distance between the soldering bit 2-3 and the handheld handle 1 is increased, and the heat of the handheld handle 1 is reduced; one end of the soldering iron head mounting tube 2-2 is fixedly mounted on the soldering iron seat 2-1, the other end of the soldering iron head mounting tube 2-2 is inwardly necked to form a heating part 2-2a, the soldering iron head 2-3 is detachably sleeved on the outer side of the heating part 2-2a, the ceramic heating core 2-5 is arranged inside the heating part 2-2a and is connected with an electric connector in the soldering iron seat 2-1 through a wire 2-6, so that the ceramic heating core 2-5 transfers heat through the mounting tube, the mounting of the ceramic heating core 2-5 and the fast replacement of the soldering iron head 2-3 are facilitated, and the use flexibility of the electric soldering iron and the replacement convenience of easily-damaged parts are improved.

As shown in fig. 3 and 4, in the embodiment, an insulating sleeve 2-7 is further disposed at the connection between the ceramic heating core 2-5 and the lead 2-6, the insulating sleeve 2-7 is preferably made of a ceramic material, and the insulating sleeve 2-7 is utilized to insulate and isolate the conductive part between the lead 2-6 and the ceramic heating core 2-5 from the soldering iron head mounting tube 2-2, thereby effectively preventing short circuit and electric leakage of the electric soldering iron; and the insulating sleeve 2-7 also has a fixing function on the ceramic heating core 2-5, so that the ceramic heating core 2-5 is conveniently and stably arranged in the soldering bit mounting tube 2-2. In this embodiment, the ceramic heating core 2-5 is preferably made of an alumina ceramic heating element, and the ceramic heating core 2-5 has a cylindrical rod-like structure, and the diameter of the cylindrical rod-like structure is preferably 2.2mm, so that the ceramic heating core has the advantages of high thermal efficiency, good surface insulation, high temperature rise speed, long service life, safety, environmental protection and the like.

As shown in fig. 3 and 4, in the present embodiment, the tip mounting tube 2-2 is preferably a stainless steel extension tube, and the heat generating portion 2-2a at the front end of the tip mounting tube 2-2 is integrally formed by extension, so that the overall structural strength is high; one end of the soldering iron head mounting tube 2-2, which is far away from the heating part 2-2a, is provided with a rotation stopping notch 2-2b and a connecting hole 2-2c, and a rotation stopping rib 2-1a matched with the rotation stopping notch 2-2b and a connecting post 2-1b matched with the connecting hole 2-2c are arranged in the soldering iron seat 2-1, so that the soldering iron head mounting tube 2-2 is firmly and stably mounted on the soldering iron seat 2-1. The iron seat 2-1 is preferably formed by combining a first seat body 2-1-1 and a second seat body 2-1-2 in a two-petal structure, the first seat body 2-1-1 and the second seat body 2-1-2 are buckled to clamp the soldering iron head mounting pipe 2-2 in the iron seat 2-1, and the first seat body 2-1-1 and the second seat body 2-1-2 are connected through screws, so that the assembly is simple and convenient, and the connection is firm and stable. Specifically, the edges of the first seat body 2-1-1 and the second seat body 2-1-2 are provided with a concave-convex matched waterproof structure, the first seat body 2-1-1 and the second seat body 2-1-2 are provided with a rotation stopping rib 2-1a along the axial direction, the rotation stopping rib 2-1a is provided with a connecting post 2-1b, when in installation, the soldering bit installation tube 2-2 is installed on the first seat body 2-1-1 or the second seat body 2-1-2, so that the rotation stopping notch 2-2b of the soldering bit installation tube 2-2 is positioned on the rotation stopping rib 2-1a, the connecting hole 2-2c is positioned on the connecting post 2-1b, and then the first seat body 2-1-1 and the second seat body 2-1-2 are buckled and locked, the connecting post 2-1b is used for limiting the axial movement of the soldering bit mounting tube 2-2, and the rotation stopping rib 2-1a is used for limiting the rotation of the soldering bit mounting tube 2-2.

Referring to fig. 2 and 3, in the embodiment, the electrical connector in the iron base 2-1 is a female plug 2-8, the female plug 2-8 is fixed between the first base 2-1-1 and the second base 2-1-2, a locking groove is formed on the female plug 2-8, the female plug 2-8 is locked between the first base 2-1-1 and the second base 2-1-2 to prevent the female plug 2-8 from moving axially, and a pin hole is formed at an end of the female plug 2-8. The front end of the hand-held handle 1 is provided with a jack which is in plug fit with the rear end of the soldering iron seat 2-1, a male plug 1-4 which is matched with the female plug 2-8 is arranged in the jack, the male plug 1-4 is a contact pin, and after the soldering iron seat 2-1 is inserted into the jack of the hand-held handle 1 to realize the connection of the hand-held handle 1 and the soldering iron assembly 2, the male plug 1-4 is inserted into the contact pin hole of the female plug 2-8 to realize the electrical connection. The electric connection between the handheld handle 1 and the soldering bit assembly 2 is realized by utilizing a male-female plug structure, and the connection is stable and reliable. The female plug 2-8 on the iron seat 2-1 and the male plug 1-4 in the jack of the handheld handle 1 form the electrical plug-in mechanism. In addition, in order to facilitate the connection between the handheld handle 1 and the soldering bit assembly 2, the outer wall of the rear end of the soldering bit seat 2-1 is further provided with a guide groove 2-4, the inner wall of the front end jack of the handheld handle 1 is further provided with a guide rib 1-5 matched with the guide groove 2-4, and the accurate splicing position of the handheld handle 1 and the soldering bit assembly 2 can be ensured by utilizing the guide of the guide rib 1-5 and the guide groove 2-4, so that the installation convenience of the soldering bit assembly 2 is improved.

According to the handheld low-voltage direct-current electric soldering iron, the handheld handle 1 is internally provided with the lithium battery and the control circuit board, the outer wall of the handheld handle 1 is provided with the switch 1-1 and the charging hole 1-2 which are electrically connected with the control circuit board, and the lithium battery is electrically connected with the male plug 1-4 through the control circuit board. The charging hole 1-2 charges the lithium battery through a charging circuit in the control circuit board, and the switch 1-1 is arranged in a working loop in the control circuit board and used for controlling the switch of the electric soldering iron; the lithium battery is used for supplying power for the ceramic heating core 2-5, the direct current output voltage of the control circuit board is 4-12V, and a direct current power supply mode is adopted, so that the use is flexible and safe, and the carrying is convenient. In order to visually display the working state of the electric soldering iron, the outer wall of the handheld handle 1 is also provided with an indicator lamp 1-3, and the indicator lamp 1-3 indicates the states of charging, low power, opening, closing and the like of the electric soldering iron through an LED light-emitting lamp bead arranged on the control circuit board. The control circuit board is integrated with a charging circuit and an electric soldering iron control circuit, and the charging circuit and the electric soldering iron control circuit are the same as those in the prior art and are not described again.

When the handheld low-voltage direct-current electric soldering iron is used, the soldering bit assembly 2 is inserted into the insertion hole in the front end of the handheld handle 1 in an aligning mode, the soldering bit assembly 2 is fixed on the handheld handle 1 and powered on, the switch 1-1 is turned on, the ceramic heating core 2-5 heats, and the soldering bit 2-3 generates high temperature. After the soldering bit 2-3 is used for a period of time and is worn, the soldering bit 2-3 is pulled out from the heating part 2-2a at the front end of the soldering bit mounting tube 2-2, and a new soldering bit 2-3 is replaced. After the hand-held handle 1 or the soldering bit assembly 2 is damaged, the soldering bit assembly 2 is directly pulled out from the hand-held handle 1, and the damaged part is replaced.

In the hand-held low-voltage direct-current electric soldering iron of the utility model, the soldering bit component is detachably arranged at the end part of the hand-held handle through the electric splicing mechanism, and the soldering bit component can be integrally replaced, so that the interchangeability of the hand-held handle and the soldering bit component is improved; and, the soldering bit and pottery generate heat the core and install through soldering bit installation pipe, and the soldering bit is established in the outside of the portion that generates heat of soldering bit installation pipe detachably cover, and the inside of the portion that generates heat is located to pottery generate heat the core for pottery generates heat the core and transmits heat through the installation pipe, and the pottery of being convenient for generates heat the installation of core and the quick replacement of soldering bit has improved the use flexibility of electric iron and the change convenience of easily losing the easy-to-wear part.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.

Claims

1. A hand-held low voltage DC soldering iron comprising a hand-held handle (1) and a soldering tip assembly (2), characterized in that: the soldering bit assembly (2) is detachably arranged at the end part of the handheld handle (1) through an electric splicing mechanism, the soldering iron head assembly (2) comprises a soldering iron seat (2-1), a soldering iron head mounting tube (2-2), a soldering iron head (2-3) and a ceramic heating core (2-5), one end of the soldering bit mounting tube (2-2) is fixedly mounted on the soldering iron seat (2-1), the other end of the soldering bit mounting tube (2-2) is inwardly necked to form a heating part (2-2a), the soldering iron head (2-3) is detachably sleeved outside the heating part (2-2a), the ceramic heating core (2-5) is arranged inside the heating part (2-2a), and is connected with an electric connector inside the iron seat (2-1) through a lead (2-6).

2. A hand-held low voltage dc electric iron as claimed in claim 1, wherein: the joint of the ceramic heating core (2-5) and the lead (2-6) is also provided with an insulating sleeve (2-7).

3. A hand-held low voltage dc electric iron as claimed in claim 1, wherein: the ceramic heating core (2-5) is made of an alumina ceramic heating body.

4. A hand-held low voltage dc electric iron as claimed in claim 1, wherein: the soldering iron is characterized in that the soldering iron mounting tube (2-2) is a stainless steel extension tube, one end, far away from the heating part (2-2a), of the soldering iron mounting tube (2-2) is provided with a rotation stopping notch (2-2b) and a connecting hole (2-2c), and a rotation stopping rib (2-1a) matched with the rotation stopping notch (2-2b) and a connecting post (2-1b) matched with the connecting hole (2-2c) are arranged in the soldering iron seat (2-1).

5. A hand-held low voltage DC electric iron according to claim 4, wherein: the soldering iron seat (2-1) is formed by combining a first seat body (2-1-1) and a second seat body (2-1-2), the first seat body (2-1-1) and the second seat body (2-1-2) are buckled to clamp the soldering iron head mounting pipe (2-2) in the soldering iron seat (2-1), and the first seat body (2-1-1) and the second seat body (2-1-2) are connected through screws.

6. A hand-held low voltage DC electric iron according to any one of claims 1 to 5, characterised in that: the electric connector in the soldering iron seat (2-1) is a female plug (2-8), the front end of the handheld handle (1) is provided with a jack which is in plug-in fit with the rear end of the soldering iron seat (2-1), and a male plug (1-4) which is matched with the female plug (2-8) is arranged in the jack.

7. A hand-held low voltage DC electric iron according to claim 6, wherein: the outer wall of the rear end of the soldering iron seat (2-1) is also provided with a guide groove (2-4), and the inner wall of the front end insertion hole of the handheld handle (1) is also provided with a guide rib (1-5) matched with the guide groove (2-4).

8. A hand-held low voltage DC electric iron according to claim 6, wherein: the handheld handle (1) in be equipped with lithium cell and control circuit board, handheld handle (1) outer wall on be equipped with control circuit board electric connection's switch (1-1) and hole of charging (1-2), the lithium cell pass through control circuit board and public plug (1-4) electric connection.

9. A hand-held low voltage dc electric iron as claimed in claim 8, wherein: the direct current output voltage of the control circuit board is 4-12V.