CN111619269B

CN111619269B - Heating pen

Info

Publication number: CN111619269B
Application number: CN202010414001.6A
Authority: CN
Inventors: 王振华
Original assignee: Hangzhou Wenyan Technology Co ltd
Current assignee: Hangzhou Wenyan Technology Co.,Ltd.
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-11-09
Anticipated expiration: 2040-05-15
Also published as: CN111619269A

Abstract

The invention discloses a heating pen, and aims to provide a heating pen capable of automatically heating during writing. It includes a shell and nib, the top at a shell is fixed to the nib, the bottom sliding connection of nib has piezoelectric assembly, be equipped with the refill in the shell, the top of refill run through the up end of a shell and with a shell sliding connection, be fixed with the rectifier subassembly on the side on refill top, piezoelectric assembly include with rectifier subassembly assorted piezoelectric patch, be fixed with a plurality of and piezoelectric patch assorted contact on the up end of rectifier subassembly, the piezoelectric patch is arranged in directly over the contact, the cover is equipped with the layer that generates heat on the lateral surface of a shell, layer and rectifier subassembly electricity generate heat are connected. The invention has the beneficial effects that: the effect that the pen automatically heats when writing can be well achieved; the added insulation sheet can protect the contact head which does not work; the added radiating fins can enable the heat generated by the electric heating belt to be more sufficiently and rapidly released and transferred to the heat-insulating sleeve.

Description

Heating pen

Technical Field

The invention relates to the technical field of pen correlation, in particular to a heating pen.

Background

As is known, a pen is high in utilization rate in daily life and becomes an essential writing tool in life of people, the pen is various in types on the market at present, the pen is in various styles, but in practical application, the pen can not generate heat, the weather is cold, under the environment that outdoor or indoor temperature is cold, students can answer with the pen in operation or examination, the fingers of the students are often frozen and stiff to write and the writing speed is not influenced, or the characters cannot be written, so that the writing work and the writing work are influenced, the pen tube is not easy to be warm, the cold pen tube often influences the students to answer, even the students cannot write, and therefore much inconvenience is brought to the students.

Disclosure of Invention

The invention provides a heating pen capable of automatically heating during writing, aiming at overcoming the defect that students cannot hold the pen well for writing in a cold environment in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a heating pen, includes a shell and nib, the top at a shell is fixed to the nib, the bottom sliding connection of nib has piezoelectric assembly, be equipped with the refill in the shell, the top of refill run through the up end of a shell and with a shell sliding connection, the refill is located piezoelectric assembly's below, be fixed with the rectifier subassembly on the side on refill top, piezoelectric assembly include with rectifier subassembly assorted piezoelectric patch, be fixed with a plurality of and piezoelectric patch assorted contact on rectifier subassembly's the up end, the piezoelectric patch is arranged in directly over the contact, the cover is equipped with the layer that generates heat on the lateral surface of shell, generate heat layer and rectifier subassembly electricity and be connected.

The pen point is fixed above the pen shell, the bottom of the pen point is connected with the piezoelectric assembly in a sliding mode, a pen core is arranged in the pen shell, the top end of the pen core penetrates through the upper end face of the pen shell and is connected with the pen shell in a sliding mode, the pen core is located below the piezoelectric assembly, a rectifier assembly is fixed on the side face of the top end of the pen core, the piezoelectric assembly comprises a piezoelectric sheet matched with the rectifier assembly, a plurality of contact heads matched with the piezoelectric sheet are fixed on the upper end face of the rectifier assembly, the piezoelectric sheet is arranged right above the contact heads, a heating layer is sleeved on the outer side face of the pen shell and is electrically connected with the rectifier assembly, and when heating is needed, only the piezoelectric sheet and the contact heads need to be contacted and fixed; the piezoelectric sheet can continuously generate positive and negative charges on two opposite surfaces during writing; the rectifier component can receive the positive and negative charges through the contact and convert the positive and negative charges into voltage-stabilized direct current to be output to the heating layer for heating, so that the effect of automatic heating during writing is achieved.

Preferably, a pen head cavity is formed in the pen head, a switch assembly is installed on the top surface of the pen head cavity, the switch assembly is in sliding connection with the pen head cavity, an upper through hole is formed in the top surface of the pen head cavity, the switch assembly comprises a first sliding rod matched with the upper through hole, the first sliding rod is arranged in the upper through hole and is in sliding connection with the upper through hole, a hand pressing sheet is fixed on the top end of the first sliding rod outside the pen head, the bottom end of the first sliding rod is arranged in the pen head cavity and is fixed with a connecting disc, a user presses the piezoelectric sheet to the contact head to be in contact with and fixed to the contact head through pressing the hand pressing sheet on the switch assembly, meanwhile, the pen core is pressed, and the pen cap is exposed out of the pen core head to write.

Preferably, the first spring is sleeved outside the first sliding rod and is arranged in the pen point cavity, one end of the first spring is fixed to the top surface of the pen point cavity, the other end of the first spring is fixed to the upper end face of the connecting disc, and the first spring and the second spring are used for restoring the switch assembly together.

Preferably, an elastic rod is fixed on the side surface of the connecting plate, a first bulge is fixed on the side surface of the elastic rod, a pen point sliding groove matched with the first bulge is formed in the inner side wall of the pen point cavity, the first bulge is arranged in the pen point sliding groove and is in sliding connection with the pen point sliding groove, a sliding groove through hole matched with the first bulge is formed in the lower end portion of the pen point sliding groove, an elastic reset rod is fixed on the outer side wall of the pen point, a second bulge matched with the sliding groove through hole is fixed on the inner side of the elastic reset rod, the second bulge is arranged on the side surface of the sliding groove through hole, and when a user presses down a hand pressing plate, the switch assembly is fixed through the matching of the first bulge and the sliding groove through hole in the bottom of the pen point sliding groove, so that the switch assembly is fixed; after the pen is used, the elastic reset rod is pressed down, the first protrusion is pushed out of the sliding groove through hole by the second protrusion on the elastic reset rod, and the piezoelectric assembly and the pen core are reset under the reset action of the first spring and the second spring.

Preferably, a lower through hole is formed in the middle of the bottom surface of the pen point cavity, the piezoelectric assembly comprises a second sliding rod matched with the lower through hole, the second sliding rod is arranged in the lower through hole and is in sliding connection with the lower through hole, a rotating groove matched with the second sliding rod is formed in the lower end face of the connecting disc, the top end of the second sliding rod is installed in the rotating groove and is in rotating connection with the rotating groove, and the piezoelectric assembly can rotate relative to the connecting disc through the matching of the second sliding rod and the rotating groove.

Preferably, fixing rods are arranged on two sides of the lower end face of the pen head respectively, the top ends of the fixing rods are fixedly connected with the lower end face of the pen head, the bottom ends of the fixing rods are fixedly connected with the upper end face of the pen shell, circular rings matched with the fixing rods are arranged on the outer sides of the two bottom ends of the sliding rod, the circular rings are sleeved on the outer sides of the two fixing rods and are rotatably connected with the fixing rods, the piezoelectric sheet is arranged on one side of the two bottom ends of the sliding rod, an insulating sheet is arranged on the other side of the two bottom ends of the sliding rod, the piezoelectric sheet and the insulating sheet are arranged between the two sliding rod and the circular rings, one end of the insulating sheet and one end of the piezoelectric sheet are fixedly connected with the two sliding rod, the other end of the insulating sheet and the other end of the piezoelectric sheet are fixedly connected with the circular rings, and when a pen needs to heat for writing, a user can rotate the circular rings to rotate the piezoelectric sheet to be right above the contact head; when not needing the pen to give out heat to write, the user can rotate the ring, changes the insulating piece to the contact directly over, and wherein the insulating piece can be protected and keep apart the contact head that does not work.

Preferably, the piezoelectric sheet and the insulating sheet are respectively provided with a positioning hole matched with the contact head, the contact head comprises a first contact terminal and a second contact terminal, the length of the first contact terminal is larger than that of the second contact terminal, and the first contact terminal and the second contact terminal can play a role in positioning the piezoelectric sheet and the insulating sheet on one hand and are used for receiving positive and negative charges generated on two opposite surfaces of the piezoelectric sheet on the other hand.

Preferably, the outer side surface of the pen shell is provided with an annular groove matched with the heating layer, the heating layer comprises a heat radiating fin, the heat radiating fin is sleeved in the annular groove, an electric heating belt is wound on the outer side surface of the heat radiating fin and electrically connected with the rectifier assembly, a heat insulation sleeve is sleeved outside the heat radiating fin, the electric heating belt is arranged between the heat radiating fin and the heat insulation sleeve, the electric heating belt is used for generating heat, and the added heat radiating fin can enable the heat generated by the electric heating belt to be released more fully and more quickly and transmitted to the heat insulation sleeve.

As preferred, the bottom threaded connection of shell of a brush has a cap, be equipped with on the cap of a brush with refill assorted cap of a brush through-hole, the bottom of refill arrange in the cap of a brush through-hole and with cap of a brush through-hole sliding connection, all be equipped with cap of a brush spout on the both sides of cap of a brush through-hole inside wall, be fixed with on the refill with cap of a brush spout assorted side slider, the side slider arrange in the cap of a brush spout in and with cap of a brush spout sliding connection, spacing through side slider and cap of a brush spout can prevent that refill and rectifier subassembly from taking place the skew and lead to the unable alignment piezoelectric element of contact and insulating piece.

Preferably, a second spring is arranged in the pen cap sliding groove, one end of the second spring is fixed to the upper end portion of the pen cap sliding groove, the other end of the second spring is fixedly connected with the upper end face of the side sliding block, and the second spring plays a role in resetting the pen core.

The invention has the beneficial effects that: positive and negative charges generated continuously by the piezoelectric sheet during writing are received by the rectifier assembly and converted into voltage-stabilizing direct current to be output to the heating layer for heating, so that the pen can achieve the effect of automatic heating during writing; a user can press the piezoelectric sheet to the contact head to be in contact with and fixed with the contact head by pressing the hand pressing sheet on the switch assembly, and simultaneously press the pen core to enable the pen core head to be exposed out of the pen cap for writing; the added insulation sheet can protect and isolate the non-working contact head; the added radiating fins can enable the heat generated by the electric heating belt to be more sufficiently and rapidly released and transferred to the heat-insulating sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of FIG. 1;

FIG. 3 is a schematic view of the nib of FIG. 2;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a schematic structural view of the piezoelectric assembly portion of FIG. 2;

FIG. 6 is a top view of a piezoelectric assembly;

FIG. 7 is a schematic structural view of the pen casing in FIG. 2;

FIG. 8 is an enlarged view at B in FIG. 7;

fig. 9 is an enlarged view at C in fig. 7.

In the figure: 1. the pen comprises a switch component, a pen point 2, a pen head 3, a pen shell, a heating layer 4, a pen cap 5, a pen point cavity 6, a pen head cavity 7, a piezoelectric component 8, a pen core 9, a rectifier component 10, a fixing rod 11, an upper through hole 12, a rotating groove 13, a lower through hole 13, a connecting disc 14, an elastic rod 15, an elastic reset rod 16, an elastic reset rod 17, a pen point sliding groove 17, a spring I18, a sliding rod I19, a sliding rod I20, a hand pressing sheet 21, a bulge I22, a sliding groove through hole 23, a bulge II 24, a sliding rod II 25, an insulating sheet 26, a ring, a piezoelectric sheet 27, a positioning hole 28, a positioning hole 29, a contact head 30, a contact terminal I31, a contact terminal II 32, an annular groove 33, a heat dissipation fin, a heating belt 34, a heat insulation sleeve 35, a pen cap through hole 36, a side sliding block 37, a spring II 38, a pen cap sliding groove 39.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1 and 2, the heating pen comprises a pen shell 3 and a pen point 2, wherein the pen point 2 is fixed above the pen shell 3, the bottom of the pen point 2 is slidably connected with a piezoelectric assembly 7, a pen core 8 is arranged in the pen shell 3, the top end of the pen core 8 penetrates through the upper end face of the pen shell 3 and is slidably connected with the pen shell 3, the pen core 8 is positioned below the piezoelectric assembly 7, and a rectifier assembly 9 is fixed on the side face of the top end of the pen core 8.

As shown in fig. 5 and 6, the piezoelectric assembly 7 includes a piezoelectric sheet 27 matched with the rectifier assembly 9, as shown in fig. 2 and 8, a plurality of contact heads 29 matched with the piezoelectric sheet 27 are fixed on the upper end surface of the rectifier assembly 9, the piezoelectric sheet 27 is disposed right above the contact heads 29, the heating layer 4 is sleeved on the outer side surface of the pen casing 3, and the heating layer 4 is electrically connected with the rectifier assembly 9.

As shown in fig. 3, a pen head cavity 6 is arranged in the pen head 2, a switch assembly 1 is mounted on the top surface of the pen head cavity 6, the switch assembly 1 is slidably connected with the pen head cavity 6, an upper through hole 11 is formed in the top surface of the pen head cavity 6, the switch assembly 1 comprises a first sliding rod 19 matched with the upper through hole 11, the first sliding rod 19 is arranged in the upper through hole 11 and slidably connected with the upper through hole 11, a hand pressing piece 20 is fixed on the top end of the first sliding rod 19 which is arranged outside the pen head 2, and a connecting disc 14 is fixed on the bottom end of the first sliding rod 19 which is arranged in the pen head cavity 6.

As shown in figure 3, a first spring 18 is sleeved outside a first sliding rod 19, the first spring 18 is arranged in the pen point cavity 6, one end of the first spring 18 is fixed on the top surface of the pen point cavity 6, and the other end of the first spring 18 is fixed on the upper end surface of the connecting disc 14.

As shown in fig. 4, an elastic rod 15 is fixed on the side surface of the connecting pad 14, a first protrusion 21 is fixed on the side surface of the elastic rod 15, a pen point sliding slot 17 matched with the first protrusion 21 is arranged on the inner side wall of the pen point cavity 6, the first protrusion 21 is arranged in the pen point sliding slot 17 and is in sliding connection with the pen point sliding slot 17, a sliding slot through hole 22 matched with the first protrusion 21 is arranged at the lower end part of the pen point sliding slot 17, an elastic reset rod 16 is fixed on the outer side wall of the pen point 2, a second protrusion 23 matched with the sliding slot through hole 22 is fixed on the inner side of the elastic reset rod 16, and the second protrusion 23 is arranged on the side surface of the sliding slot through hole 22.

As shown in fig. 3 and 5, a lower through hole 13 is formed in the middle of the bottom surface of the pen point cavity 6, the piezoelectric assembly 7 includes a second sliding rod 24 matched with the lower through hole 13, the second sliding rod 24 is disposed in the lower through hole 13 and is slidably connected with the lower through hole 13, a rotating groove 12 matched with the second sliding rod 24 is formed in the lower end surface of the connecting disc 14, and the top end of the second sliding rod 24 is mounted in the rotating groove 12 and is rotatably connected with the rotating groove 12.

As shown in fig. 3, fixing rods 10 are respectively arranged on two sides of the lower end face of the pen point 2, the top end of each fixing rod 10 is fixedly connected with the lower end face of the pen point 2, the bottom end of each fixing rod 10 is fixedly connected with the upper end face of the pen shell 3, as shown in fig. 5 and 6, a circular ring 26 matched with each fixing rod 10 is arranged on the outer side of the bottom end of each sliding rod II 24, the circular ring 26 is sleeved on the outer sides of the two fixing rods 10 and is rotatably connected with the fixing rods 10, a piezoelectric sheet 27 is arranged on one side of the bottom end of each sliding rod II 24, an insulating sheet 25 is arranged on the other side of the bottom end of each sliding rod II 24, the piezoelectric sheets 27 and the insulating sheets 25 are arranged between the sliding rods II 24 and the circular rings 26, one end of each insulating sheet 25 and one end of each piezoelectric sheet 27 are fixedly connected with the corresponding sliding rod II 24, and the other end of each insulating sheet 25 and the other end of each piezoelectric sheet 27 are fixedly connected with the circular ring 26.

As shown in fig. 6 and 8, the piezoelectric sheet 27 and the insulating sheet 25 are each provided with a positioning hole 28 matching with the contact head 29, the contact head 29 includes a first contact terminal 30 and a second contact terminal 31, and the length of the first contact terminal 30 is greater than that of the second contact terminal 31.

As shown in fig. 7 and 8, an annular groove 32 matched with the heat-generating layer 4 is formed in the outer side surface of the pen shell 3, the heat-generating layer 4 comprises a heat-radiating fin 33, the heat-radiating fin 33 is sleeved in the annular groove 32, an electric heating tape 34 is wound on the outer side surface of the heat-radiating fin 33, the electric heating tape 34 is electrically connected with the rectifier assembly 9, an insulating sleeve 35 is sleeved outside the heat-radiating fin 33, and the electric heating tape 34 is arranged between the heat-radiating fin 33 and the insulating sleeve 35.

As shown in fig. 9, the bottom of the pen shell 3 is connected with a pen cap 5 through a thread, the pen cap 5 is provided with a pen cap through hole 36 matched with the pen core 8, the bottom end of the pen core 8 is arranged in the pen cap through hole 36 and is connected with the pen cap through hole 36 in a sliding manner, both sides of the inner side wall of the pen cap through hole 36 are provided with pen cap sliding grooves 39, the pen core 8 is fixed with side sliding blocks 37 matched with the pen cap sliding grooves 39, and the side sliding blocks 37 are arranged in the pen cap sliding grooves 39 and are connected with the pen cap sliding grooves 39 in a sliding manner.

As shown in fig. 9, a second spring 38 is disposed in the cap slide groove 39, one end of the second spring 38 is fixed to the upper end of the cap slide groove 39, and the other end of the second spring 38 is fixedly connected to the upper end surface of the side slider 37.

When a user needs a pen to heat and write: firstly, the ring 26 is rotated, the piezoelectric sheet 27 is rotated to be right above the rectifier assembly 9 (the positioning hole 28 on the piezoelectric sheet 27 is aligned with the contact 29), then the hand pressing sheet 20 is pressed (the first bulge 21 slides downwards in the pen point sliding groove 17, and the first spring 18 is stretched), the piezoelectric sheet 27 is pressed to the contact 29 to be contacted with the contact 29, then the switch assembly 1 is locked and fixed through the matching of the first bulge 21 and the sliding groove through hole 22 at the bottom of the pen point sliding groove 17, and the piezoelectric sheet 27 is further fixed; meanwhile, through the force transmission effect, the piezoelectric assembly 7 also presses the pen core 8 downwards (the side sliding block 37 slides downwards in the pen cap sliding groove 39, and the spring two 38 is stretched at the same time), so that the pen core head is exposed out of the pen cap 5 for writing. Since the pen core 8 is continuously pressed during writing, the rectifier component 9 continuously presses the piezoelectric plate 27 through the transmission of force, so that the polarization phenomenon is continuously generated inside the piezoelectric plate 27, and simultaneously opposite positive and negative charges are continuously generated on two opposite surfaces of the piezoelectric plate 27, and then the rectifier component 9 receives the charges generated by the piezoelectric plate 27 through the contact 29 and converts the charges into voltage-stabilized direct current to be output to the heating layer 4 for heating, so as to warm the hand of a user.

When the user does not need the pen to heat and write: the insulating sheet 25 is simply rotated to just above the rectifier module 9 and then fixed.

When the user finishes using, the elastic reset rod 16 is only pressed down, the first bulge 23 on the elastic reset rod pushes the first bulge 21 out of the chute through hole 22, and the piezoelectric assembly 7 and the pen core 8 are reset under the resetting action of the first spring 18 and the second spring 38.

Claims

1. A heating pen is characterized by comprising a pen shell (3) and a pen point (2), wherein the pen point (2) is fixed above the pen shell (3), the bottom of the pen point (2) is connected with a piezoelectric component (7) in a sliding manner, a pen core (8) is arranged in the pen shell (3), the top end of the pen core (8) penetrates through the upper end face of the pen shell (3) and is connected with the pen shell (3) in a sliding manner, the pen core (8) is located below the piezoelectric component (7), a rectifier component (9) is fixed on the side face of the top end of the pen core (8), the piezoelectric component (7) comprises a piezoelectric sheet (27) matched with the rectifier component (9), a plurality of contact heads (29) matched with the piezoelectric sheet (27) are fixed on the upper end face of the rectifier component (9), the piezoelectric sheet (27) is arranged right above the contact heads (29), and a heating layer (4) is sleeved on the outer side face of the pen shell (3), the heating layer (4) is electrically connected with the rectifier component (9), a pen point cavity (6) is arranged in the pen point (2), a switch component (1) is installed on the top surface of the pen point cavity (6), the switch component (1) is in sliding connection with the pen point cavity (6), an upper through hole (11) is formed in the top surface of the pen point cavity (6), the switch component (1) comprises a first sliding rod (19) matched with the upper through hole (11), the first sliding rod (19) is arranged in the upper through hole (11) and is in sliding connection with the upper through hole (11), the top end of the first sliding rod (19) is arranged outside the pen point (2) and is fixedly provided with a hand pressing plate (20), the bottom end of the first sliding rod (19) is arranged in the pen point cavity (6) and is fixedly provided with a connecting disc (14), a lower through hole (13) is formed in the middle position of the bottom surface of the pen point cavity (6), the piezoelectric assembly (7) comprises a second sliding rod (24) matched with the lower through hole (13), the second sliding rod (24) is arranged in the lower through hole (13) and is in sliding connection with the lower through hole (13), the lower end face of the connecting disc (14) is provided with a rotating groove (12) matched with the second sliding rod (24), the top end of the second sliding rod (24) is installed in the rotating groove (12) and is in rotating connection with the rotating groove (12), fixing rods (10) are respectively arranged on two sides of the lower end face of the pen point (2), the top end of each fixing rod (10) is fixedly connected with the lower end face of the corresponding pen point (2), the bottom end of each fixing rod (10) is fixedly connected with the upper end face of the corresponding pen shell (3), a circular ring (26) matched with the fixing rod (10) is arranged on the outer side of the bottom end of the second sliding rod (24), the circular ring (26) is sleeved on the outer sides of the two fixing rods (10) and is rotatably connected with the fixing rods (10), piezoelectric patches (27) set up the one side in slide bar two (24) bottom, the opposite side in slide bar two (24) bottom is provided with insulating piece (25), slide bar two (24) and ring (26) are all arranged in between piezoelectric patches (27) and insulating piece (25), the one end of insulating piece (25) and the one end of piezoelectric patches (27) all with slide bar two (24) fixed connection, the other end of insulating piece (25) and the other end of piezoelectric patches (27) all with ring (26) fixed connection.

2. The heating pen as claimed in claim 1, wherein a first spring (18) is sleeved outside the first sliding rod (19), the first spring (18) is arranged in the pen head cavity (6), one end of the first spring (18) is fixed on the top surface of the pen head cavity (6), and the other end of the first spring (18) is fixed on the upper end surface of the connecting disc (14).

3. The heating pen as claimed in claim 1, wherein an elastic rod (15) is fixed to the side of the connecting plate (14), a first protrusion (21) is fixed to the side of the elastic rod (15), a pen point sliding groove (17) matched with the first protrusion (21) is formed in the inner side wall of the pen point cavity (6), the first protrusion (21) is arranged in the pen point sliding groove (17) and is in sliding connection with the pen point sliding groove (17), a sliding groove through hole (22) matched with the first protrusion (21) is formed in the lower end portion of the pen point sliding groove (17), an elastic reset rod (16) is fixed to the outer side wall of the pen point (2), a second protrusion (23) matched with the sliding groove through hole (22) is fixed to the inner side of the elastic reset rod (16), and the second protrusion (23) is arranged on the side face of the sliding groove through hole (22).

4. A heat generating pen as claimed in claim 1, wherein the piezoelectric sheet (27) and the insulating sheet (25) are provided with positioning holes (28) matching with the contact heads (29), the contact heads (29) comprise a first contact terminal (30) and a second contact terminal (31), and the length of the first contact terminal (30) is greater than that of the second contact terminal (31).

5. The heating pen as claimed in claim 1, wherein an annular groove (32) matched with the heating layer (4) is formed in the outer side surface of the pen shell (3), the heating layer (4) comprises a heat dissipation fin (33), the heat dissipation fin (33) is sleeved in the annular groove (32), an electric heating tape (34) is wound on the outer side surface of the heat dissipation fin (33), the electric heating tape (34) is electrically connected with the rectifier assembly (9), an insulating sleeve (35) is sleeved outside the heat dissipation fin (33), and the electric heating tape (34) is arranged between the heat dissipation fin (33) and the insulating sleeve (35).

6. The heating pen as claimed in claim 1, wherein the bottom of the pen shell (3) is connected with a pen cap (5) in a threaded manner, the pen cap (5) is provided with a pen cap through hole (36) matched with the pen core (8), the bottom end of the pen core (8) is arranged in the pen cap through hole (36) and is in sliding connection with the pen cap through hole (36), two sides of the inner side wall of the pen cap through hole (36) are provided with pen cap sliding grooves (39), the pen core (8) is fixed with side sliding blocks (37) matched with the pen cap sliding grooves (39), and the side sliding blocks (37) are arranged in the pen cap sliding grooves (39) and are in sliding connection with the pen cap sliding grooves (39).

7. The heating pen as claimed in claim 6, wherein a second spring (38) is arranged in the pen cap sliding groove (39), one end of the second spring (38) is fixed at the upper end part of the pen cap sliding groove (39), and the other end of the second spring (38) is fixedly connected with the upper end surface of the side sliding block (37).