CN208238245U - A kind of heat gun heat generating core and heat gun that heating effect is good - Google Patents

Abstract

The utility model provides a kind of heat gun heat generating core and heat gun that heating effect is good, heating wire including mounting bracket and in mounting bracket, mounting bracket is ceramic mounting bracket or mica mounting bracket, heating wire includes close-packed section, the surface of heating wire is equipped with insulating layer on close-packed section, spacing on close-packed section between adjacent heating wire is D, 0≤D≤2mm；Heat gun, including shell, the hot air apparatus for generating hot wind is equipped in shell, hot air apparatus includes heat generating core, case nose is equipped with hot air pipe, heat generating core is located in hot air pipe, heat generating core is heat gun heat generating core described in any of the above-described technical solution, by the way that close-packed section is arranged on heating wire, the surface of heating wire is equipped with insulating layer on close-packed section, the heat generation density of local space is improved in the calorific value of local space to increase heating wire, and then the working efficiency of the leaving air temp of heat gun, the working effect of heat gun and heat gun can be greatly promoted.

Description

A kind of heat gun heat generating core and heat gun that heating effect is good

Technical field

The utility model relates to the good heat gun heat generating cores of power tools technology field more particularly to a kind of heating effect And heat gun.

Background technique

Heat gun is a kind of for heating the heating tool for forming thermal current after air, have the function of it is a variety of use, specifically For, heat gun, which can be used for removing the old paint of metal surface, removal tack paster, heating of plastic sebific duct, makes its bending, drying Moist wood, heating is heat-shrinked packaging film and packing tube, derusting, heating be used in connection metal polyethylene object shrink and Heating makes to weld object softening etc., element can also be welded or be plucked using the thermal current that the rifle core of heating resistance wire is blown out It removes.

Existing heat gun in use, not enough concentrate by the heat that heater strip generates, point dispersion point in hot air pipe Cloth causes heating process partial heat to scatter and disappear by hot air pipe, so that the temperature of the hot wind of discharge is inadequate, cannot reach well The working effect of anticipation, and the working efficiency of heat gun is reduced, it is excessively high to also result in hot air pipe surface temperature, and then cause outer The temperature of shell is excessively high, there is the risk of scald user.

Utility model content

The heat gun that the purpose of this utility model is to provide a kind of heating effects is good, leaving air temp is high, work efficiency is high With heat generating core and heat gun.

In order to achieve the above object, the utility model adopts the following technical solution: a kind of heat gun that heating effect is good use Heat generating core, the heating wire including mounting bracket and in mounting bracket, mounting bracket are ceramic mounting bracket or mica installation Bracket, wherein the heating wire includes close-packed section, and the surface of heating wire is equipped with insulating layer, adjacent hair on close-packed section on close-packed section Spacing between heated filament is D, 0≤D≤2mm.

Further, the close-packed section is in hollow helical form, and the spacing on close-packed section between adjacent heating wire is D, 0≤ D≤1mm。

Further, the close-packed section is laterally arranged and is arranged along the central axial direction of mounting bracket；Alternatively, described close Longitudinally disposed around section, the central axis of close-packed section and the central axis antarafacial of mounting bracket are vertically arranged.

Further, the axial length of the close-packed section is L, and the diameter of heating wire is d, 2d≤L≤30d.

Further, the heat build-up part of insulation is equipped in the hollow cavity of the close-packed section.

Further, the heat build-up part is ceramic tube or ceramics pole.

Further, the insulating layer is the rare earth coating coated on heating wire surface；Alternatively, the insulating layer is cladding Rare earth casing in heating wire surface.

Further, the close-packed section is in bulk；Alternatively, the close-packed section is in coiled type.

Further, the longitudinal section of the mounting bracket is in cross, and close-packed section sets there are four and is distributed in mounting bracket Four interior angles at；Alternatively, the longitudinal section of the mounting bracket is in Y-shaped, close-packed section sets there are three and is distributed in mounting bracket Three interior angles at；Alternatively, the longitudinal section of the mounting bracket is in " * " shape, close-packed section sets there are five and is distributed in mounting bracket Five interior angles at；Alternatively, the longitudinal section of the mounting bracket is in " * " shape, close-packed section sets there are six and is distributed in mounting bracket Six interior angles at；Alternatively, the longitudinal section of the mounting bracket is in M shape, close-packed section is equipped with eight and is distributed in mounting bracket Eight interior angles at.

Further, the utility model also provides a kind of heat gun, including shell, is equipped with the hot wind for generating hot wind in shell Device, hot air apparatus include heat generating core, and case nose is equipped with hot air pipe, and heat generating core is located in hot air pipe, wherein the heat generating core For heat gun heat generating core described in any of the above-described technical solution.

In the utility model, after the completion of " close-packed section " refers to heating wire winding, the spacing between adjacent heating wire is little In 2mm, specific winding mode is not limited, can be set for spiral winding, or cross winding or other winding modes, as long as Heating wire can form local density, to increase calorific value and the heat generation density of heating wire part.

After adopting the above technical scheme, the utility model has the advantages that

1, in the utility model, by the way that close-packed section is arranged on heating wire, and on close-packed section between adjacent heating wire between Away from for D, 0≤D≤2mm, so that the density of heating wire part, to increase heating wire in the calorific value of local space, and heating effect It is good, the heat generation density of local space is improved, the temperature of outlet air is greatly improved, to guarantee the working effect of heat gun, and is not had to Together the quantity for increasing heating wire, advantageously reduces energy consumption and improves heating efficiency, while improving the working efficiency of heat gun, i.e., The heating wire of sample length, the local pyrexia amount that the heating wire equipped with close-packed section generates are greater than the heating wire generation for not setting close-packed section Local pyrexia amount because close-packed section generate heat concentrate in together, it is not easy to disperse, improve the temperature of the hot wind of blowout Degree, the heat that the heating wire without setting close-packed section generates not enough are concentrated, cause heat to be easy dispersion, greatly reduce the heat of blowout The temperature of wind is not easy to disperse since heat is concentrated, and the surface temperature that not will lead to hot air pipe or shell is excessively high and scalds user, Safety when heat gun uses is promoted, and can guarantee by setting insulating layer will not be because of contact between the heating wire on close-packed section And short circuit occurs, to heating wire be burnt out, to guarantee the normal work of heating wire.When D is greater than 2mm, the close-packed section of formation It is not intensive enough, so that heating wire local pyrexia amount is inadequate, influence leaving air temp.

2, close-packed section is specifically in hollow helical form, in this way be convenient for close-packed section coiling and machine-shaping, high production efficiency, And the hollow setting of close-packed section, the wind generated in this way convenient for hot air apparatus take away the heat on close-packed section, will not hinder wind Gear, heat then will not four scatter come so that heat and wind be all directed towards same direction blowout, greatly improve the hot wind of blowout Temperature, and the spacing on close-packed section between adjacent heating wire is D, when 0≤D≤1mm, D=0, i.e., is bonded between adjacent heating wire Setting, so that being in close contact together between adjacent heating wire, alternatively, the spacing that setting is small, that is, be less than or equal between 1mm Away from, may make the heat of generation more to concentrate in this way, and be not easy to disperse, guarantee blowout hot wind temperature it is enough, with guarantee The working effect of heat gun, and promote the working efficiency of heat gun.When spacing is greater than 1mm, the heat that close-packed section generates easily divides It dissipates, reduces the temperature of the hot wind of blowout.

3, close-packed section laterally setting and is arranged along the central axial direction of mounting bracket, so that close-packed section and heat gun Air-out direction is consistent, so that wind passes fully through close-packed section in blowout, i.e. wind is to pass completely through close-packed section, guarantees wind Heat on close-packed section can be taken away completely, it is enough to guarantee the temperature of wind of blowout, thus guarantee the working effect of heat gun, And the working efficiency of heat gun is promoted, while reducing space hold of the close-packed section in mounting bracket, so that the structure of heat generating core It is more compact, while vacating the space of hot air pipe, improve the air output of hot air pipe, thus promoted heat gun outlet air efficiency and Working efficiency.

It is 4, enough to the length that between 30mm, ensure that close-packed section by the way that the axial length L of close-packed section is set in 5mm, To guarantee that the calorific value of close-packed section is enough, and then guarantee that the temperature of the hot wind of blowout is enough, while length is reasonable, so that production The coiling circle number of close-packed section is reasonable when processing, guarantees the production efficiency of close-packed section, and make the axial length of heat generating core reasonable, from And be also convenient for the design and arrangement of heat gun subsequent structural so that heat gun compact overall structure, rationally.When L is less than 5mm, Length is too short, and calorific value is inadequate, reduces the temperature of the hot wind of blowout；When L be greater than 30mm when, length is too long, be not easy to it is close around Section production and processing, also can make heat gun axial length too long.

5, by the way that the heat build-up part of insulation is arranged in the hollow cavity of close-packed section, the heat that heating wire is generated is by more Good flocks together, and is less susceptible to disperse away, what is absorbed when wind goes out in this way is not only the temperature of heating wire, also by heat build-up The temperature of part also absorbs together, preferably guarantee blowout hot wind temperature, while heat build-up part be insulation, avoid heat build-up part and Heating wire contacts and makes heating wire that short circuit occur, and guarantees the normal work of heating wire.

6, heat build-up part is specially ceramic tube or ceramics pole, has not only guaranteed good heat build-up, but also guarantee good insulating properties, and It is durable, it is hardly damaged, long service life.

7, insulating layer is specially to be coated on the rare earth coating on heating wire surface, facilitates the processing of insulating layer, both guaranteed it is close around Insulating properties in section between heating wire, and it is convenient for the machine-shaping of close-packed section, promote the production efficiency of close-packed section.

8, the air outlet of close-packed section close to heat gun is arranged, and in this way in heating wire in adstante febre, the hot wind of heat gun is filled The wind for setting generation directly can take away heat to form hot wind, that is, the hot wind formed is directly blown out by air outlet, and is directly blown Onto heating object, to complete corresponding work, the blowout path of hot wind is shortened, avoids hot wind in blowout due to path It is too long and consume partial heat, i.e. loss of the reduction hot wind inside hot air pipe, to guarantee the temperature of the hot wind of blowout, thus Guarantee the working effect of heat gun, and promotes the working efficiency of heat gun.

It 9, is in bulk or coiled type by close-packed section setting, in this way, close-packed section also can produce biggish amount of localized heat, and heat It in quantity set, is not easy to disperse, can equally reach the leaving air temp for promoting heat gun well and promotes the working efficiency of heat gun Effect.

10, by the way that across or Y-shaped or " * " shape or " * " shape or M shape is arranged in the longitudinal section of mounting bracket, And close-packed section is then correspondingly arranged multiple and is distributed at each interior angle, so that each close-packed section is separated, neither influences so each close Work between section, moreover it is possible to guarantee that the heat between each close-packed section concentrates in together, be not easy to disperse, to guarantee well The temperature of wind is enough, to guarantee the working effect of heat gun, and promotes the working efficiency of heat gun.

11, in the utility model, a kind of heat gun is also provided, the heat generating core in the hot air apparatus of the heat gun is using above-mentioned Heat gun heat generating core in any technical solution can so greatly promote the leaving air temp of heat gun, the work effect of heat gun The working efficiency of fruit and heat gun.

12, separate outer mica sleeve, the ceramic sleeve of heat generating core and hot air pipe, and ceramic jacket by being arranged in hot air pipe Cylinder is sheathed on the outside of mounting bracket, and the heat that the heating wire of heat generating core generates is flocked together by ceramic sleeve in this way, It is not easy to disperse away, and outer mica sleeve is sheathed on the outside of ceramic sleeve, hot air pipe is sheathed on outer mica sleeve, further The heat of ceramic sleeve is flocked together, prevent the heat on ceramic sleeve from dispersing away, while also preventing heat transfer Onto hot air pipe, avoidable user inadvertently contacts hot air pipe and the risk scalded.

13, by mica sleeve in being arranged, and interior mica sleeve is sheathed on the front end of mounting bracket and coats close-packed section, So that the heat that close-packed section generates is not easy to disperse away, guarantees that close-packed section generates just by interior mica sleeve to further aggregation Heat concentrate and enough, to guarantee that leaving air temp is enough, to guarantee the working effect of heat gun, and promote the work of heat gun Make efficiency.

14, by setting battery pack, heat gun uses simpler and conveniently, and heat gun will not be by power supply when working Line is impeded, and not only can be operated heat gun from any direction, be influenced heat gun by power supply line length and influence to operate Apart from the problem of, can easily hold heat gun into each working environment, while also avoiding and working outdoors well When can not find socket and can not job execution the problem of, outwork can be suitable for well, be greatly improved heat gun The scope of application is also greatly improved the ease of use of heat gun, and due to the electricity for storing limited power and generation of battery pack Power is also limited, and using the heat generating core in any of the above-described technical solution, and the loss of such heat generating core is small, and calorific value is big, not only may be used The persistence for promoting battery pack well, that is, promote the operating time of heat gun, and can using low power battery pack Reach the very high effect of leaving air temp, guarantees that leaving air temp is enough, the working effect to guarantee heat gun is good.

15, it is equipped with ceramic outlet air mesh sheet inside the front end of hot air pipe, and outlet air mesh is set in ceramic Air outlet net on piece, and Outlet air mesh is distributed in honeycomb, so that the air temperature of heat gun blowout is uniform, not will lead to the excessively high feelings of local temperature Condition, to guarantee the working effect and job stability of heat gun, and the outlet air mesh sheet of ceramics not only high temperature resistant, corrosion-resistant, The cracking heat dissipation of energy again after heat gun use, avoids scald human body well, promotes the safety of heat gun after use.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawing:

Fig. 1 is the scheme of installation of heat generating core embodiment one described in the utility model.

Fig. 2 is the structural schematic diagram of heat generating core embodiment one described in the utility model.

Fig. 3 is the right view of heat generating core embodiment one described in the utility model.

Fig. 4 is the cross-sectional view of close-packed section in heat generating core embodiment one described in the utility model.

Fig. 5 is the enlarged drawing of A in Fig. 4.

Fig. 6 is the structural schematic diagram of heat gun described in the utility model.

Fig. 7 is the right view of heat generating core embodiment two described in the utility model.

Fig. 8 is the right view of heat generating core embodiment three described in the utility model.

Marked the names of the parts are as follows in figure:

1, mounting bracket；2, heating wire；21, close-packed section；211, hollow cavity；3, heat build-up part；4, shell；5, hot air pipe； 6, outer mica sleeve；7, ceramic sleeve；8, interior mica sleeve；9, battery pack；10, ceramic outlet air mesh sheet；101, outlet air mesh.

Specific embodiment

Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.

Embodiment one:

As shown in Fig. 1 to 5, the utility model provides a kind of heat gun heat generating core that heating effect is good, including installation branch Frame 1 and the heating wire 2 in mounting bracket 1, mounting bracket 1 are ceramic mounting bracket, and ceramic mounting bracket can be good The heat generated to heating wire is assembled, and energy accumulation of heat, promotes the heating effect of heat generating core entirety well, and heating wire 2 wraps Close-packed section 21 is included, the spacing on close-packed section 21 between adjacent heating wire 2 is D, 0≤D≤2mm, by the way that close-packed section is arranged, so that hair The density of heated filament part improves the heat generation density of local space, greatly improves to increase heating wire in the calorific value of local space The temperature of outlet air to guarantee the working effect of heat gun, and is increased without the quantity of heating wire, advantageously reduces energy consumption and improves Heating efficiency, while improving the working efficiency of heat gun, i.e., the heating wire of same length, the heating wire equipped with close-packed section generates Local pyrexia amount be greater than do not set close-packed section heating wire generate local pyrexia amount because close-packed section generate heat concentrate Together, it is not easy to disperse, improve the temperature of the hot wind of blowout, the heat that the heating wire without setting close-packed section generates not enough collects In, cause heat to be easy dispersion, greatly reduce the temperature of the hot wind of blowout, since heat is concentrated, is not easy to disperse, not will lead to The surface temperature of hot air pipe or shell is excessively high and scalds user, promotes safety when heat gun uses, generates heat on close-packed section 21 The surface of silk 2 is equipped with insulating layer, and by that will not send out because of contact between the heating wire on the certifiable close-packed section of setting insulating layer Raw short circuit, so that heating wire be burnt out, to guarantee the normal work of heating wire, close-packed section 21 be located at the front end of mounting bracket 1 and Air outlet close to heat gun is arranged, and close-packed section is set to the front end of mounting bracket and is set close to the air outlet of heat gun It sets, in this way in heating wire in adstante febre, to form hot wind, i.e., the wind that the hot air apparatus of heat gun generates directly can take away heat The hot wind of formation is directly blown out by air outlet, and is directly blown on heating object, to complete corresponding work, shortens heat The blowout path of wind avoids hot wind from consuming partial heat due to Path too long in blowout, i.e. reduction hot wind is in hot air pipe Internal loss to guarantee the working effect of heat gun, and promotes the work of heat gun to guarantee the temperature of the hot wind of blowout Efficiency.

In the present embodiment, close-packed section 21 is in hollow helical form, i.e. close-packed section 21 is formed by 2 helically coiling of heating wire, this Coiling and machine-shaping of the sample convenient for close-packed section, high production efficiency, and the hollow setting of close-packed section, it is generated in this way convenient for hot air apparatus Wind the heat on close-packed section is taken away, wind will not be stopped, heat then will not four scatter come so that heat and wind are all It is blown out towards same direction, greatly improves the temperature of the hot wind of blowout.

Specifically, the longitudinal section of mounting bracket 1 is in cross, close-packed section 21 sets there are four and is distributed in mounting bracket 1 At four interior angles, wherein two close-packed sections 21 be spaced by heating wire 2 winding form and side by side be installed on mounting bracket On, another two close-packed section 21 be winding is spaced by another heating wire 2 to form and be arranged relative to the first two close-packed section 21, thus Being combined into tool, there are four the heat generating cores of close-packed section neither to influence between each close-packed section in this way so that each close-packed section is separated Work, moreover it is possible to guarantee that the heat between each close-packed section concentrates in together, be not easy to disperse, to guarantee the temperature foot of outlet air well It is enough, to guarantee the working effect of heat gun, and promote the working efficiency of heat gun.

In order to preferably promote the temperature of outlet air, the spacing between heating wire adjacent on close-packed section 21 is set as D, and 0≤D ≤ 1mm, in the present embodiment, D is specially 0, and setting is bonded between adjacent heating wire, is existed so that being in close contact between adjacent heating wire Together, it may make the heat of generation more to concentrate in this way, and be not easy to disperse, guarantee that the temperature of the hot wind of blowout is enough, to guarantee The working effect of heat gun, and promote the working efficiency of heat gun.

In order to further enhance leaving air temp and make the structure of heat generating core more compact, close-packed section 21 is laterally arranged simultaneously Central axial direction along mounting bracket 1 is arranged, so that the air-out direction of close-packed section and heat gun is consistent, so that wind is being blown Close-packed section is passed fully through when out, i.e. wind is to pass completely through close-packed section, guarantee that wind energy takes away the heat on close-packed section completely, Temperature to guarantee the wind of blowout is enough, to guarantee the working effect of heat gun, and promotes the working efficiency of heat gun, simultaneously Space hold of the close-packed section in mounting bracket is reduced, so that the structure of heat generating core is more compact, while vacating the sky of hot air pipe Between, the air output of hot air pipe is improved, to promote the outlet air efficiency and working efficiency of heat gun.

It is L, heating wire by the axial length of close-packed section 21 to further promote the compactedness of leaving air temp and structure 2 diameter is d, and L is set in 2d between 30d, and in the present embodiment, L is specially 12d, is referred to heating wire to be single, L It is that close-packed section 21 is enclosed by 2 spiral winding of heating wire 12 for 12d, for another example d is specially 1mm, and L is then specifically 12mm, be ensure that The length of close-packed section is enough, to guarantee that the calorific value of close-packed section is enough, and then guarantees that the temperature of the hot wind of blowout is enough, simultaneously Length is reasonable, so that the coiling circle number of close-packed section is reasonable when production and processing, guarantees the production efficiency of close-packed section, and make heat generating core Axial length it is reasonable, to be also convenient for the design and arrangement of heat gun subsequent structural, so that heat gun compact overall structure, closing Reason.

In order to further promote leaving air temp and job stability, insulation is equipped in the hollow cavity 211 of close-packed section 21 Heat build-up part 3, enable heating wire generate heat preferably flocked together, be less susceptible to disperse away, in this way in wind What is absorbed when out is not only the temperature of heating wire, still absorbs the temperature of heat build-up part together, preferably guarantees the hot wind of blowout Temperature, while heat build-up part is insulation, avoids heat build-up part from contact with heating wire and heating wire occurs short-circuit, guarantee heating wire Normal work；Specifically, 21 ceramic tube of heat build-up part, had not only guaranteed good heat build-up, but also guarantee good insulating properties in this way, and It is durable, it is hardly damaged, long service life.

In order to guarantee the insulation effect and processing convenience of insulating layer, insulating layer is specially to be coated on 1 surface of heating wire Rare earth coating, facilitates the processing of insulating layer, has not only guaranteed the insulating properties on close-packed section between heating wire, but also be convenient for the processing of close-packed section Molding, promotes the production efficiency of close-packed section.

In order to preferably promote leaving air temp, the air outlet of close-packed section 21 close to heat gun is arranged, and close-packed section is set It is placed in the front end of mounting bracket and is arranged close to the air outlet of heat gun, in this way in heating wire in adstante febre, the hot wind of heat gun The wind that device generates directly can take away heat to form hot wind, that is, the hot wind formed is directly blown out by air outlet, and direct It blows on heating object, to complete corresponding work, shortens the blowout path of hot wind, avoid hot wind in blowout due to road Diameter is too long and consumes partial heat, i.e. loss of the reduction hot wind inside hot air pipe, to guarantee the temperature of the hot wind of blowout, from And guarantee the working effect of heat gun, and promote the working efficiency of heat gun.

It should be understood that mounting bracket may be mica mounting bracket.

It should be understood that can also be equipped with small spacing between heating wire adjacent on close-packed section, i.e. D may be 0.1mm、0.2mm、0.3mm、0.4mm、0.5mm、0.6mm、0.7mm、0.8mm、0.9mm、1mm、1.1mm、1.2mm、1.3mm、 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm etc. so also may make the heat of generation more to concentrate, and not Easily dispersion guarantees that the temperature of the hot wind of blowout is enough, to guarantee the working effect of heat gun, and promotes the work effect of heat gun Rate.

It should be understood that close-packed section can also be longitudinally disposed, i.e. the central axis of the central axis of close-packed section and mounting bracket Line antarafacial is vertically arranged, and the effect for promoting leaving air temp so also may be implemented.

It should be understood that L may be 2d, 3d, 4d, 5d, 6d, 7d, 8d, 9d, 10d, 11d, 13d, 14d, 15d, 16d, 17d, 18d, 19d, 20d, 21d, 22d, 23d, 24d, 25d, 26d, 27d, 28d, 29d, 30d etc..

It should be understood that heat build-up part may be ceramics pole, the through-hole that there is air feed to pass through at ceramics pole center reduces to out The resistance of wind increases the contact area of wind Yu heat build-up part, improves leaving air temp well.

It should be understood that insulating layer may be the rare earth casing for being coated on heating wire surface.

It should be understood that close-packed section can also be in bulk, i.e. close-packed section is formed by heating wire cross winding, certainly may be used It is in other shapes, such as spherical, rectangular, bar shaped, column, triangle with winding；Close-packed section can also be coiled type, and coiled type is It can be formed by heating wire spiral, in a ring around the coil being set as, there is an inner hole, the coil formed in this way compares rule It is whole, shape is good-looking；It can also be formed by heating wire cross winding, such heating wire intersects to form the coil of annular, this The coil that sample is formed is more mixed and disorderly, but part is closeer, and amount of localized heat is higher.

It should be understood that different according to structure and demand, the longitudinal section of mounting bracket can also be in " * " shape or M shape, Correspondingly, the quantity of close-packed section is respectively five and eight, in this way, equally each close-packed section can be made to separate, so neither Influence the work between each close-packed section, moreover it is possible to guarantee that the heat between each close-packed section concentrates in together, be not easy to disperse, thus very well Guarantee outlet air temperature it is enough, to guarantee the working effect of heat gun, and promote the working efficiency of heat gun.

It should be understood that heating wire can be equipped with two, three, four, five etc., and more heating wires are arranged side by side, In this way in winding close-packed section, as heating wire be four when, winding one circle i.e. can reach a heating wire winding four circle axial direction Length promotes the production efficiency of close-packed section, and the heat of such close-packed section is more concentrated, and is more not easy to disperse, is specifically arranged several It can be depending on fever rifle specific structure and user demand.

It should be understood that close-packed section may be that multiple close-packed section intervals are formed, be such as 2d, 3d by multiple axial length Ls, The close-packed section of 4d, 5d, 6d, 7d, 8d, 9d, 10d etc. are formed, and certainly, the axial lengths of multiple spaced close-packed sections can also be with Difference, such as the first close-packed section is 2d, the second close-packed section is 3d, third close-packed section is 4d, and so on, or can also be the One close-packed section is 5d, the second close-packed section is 3d, third close-packed section be 2 etc., i.e., axial length can successively decrease, can also be incremented by, Can also be incremented by, interval of successively decreasing, more can irregular arrangement setting, anyway depending on as the case may be, here no longer do it is superfluous It states.

Finally, it is hot to be equipped with generation in shell 4 as shown in fig. 6, a kind of heat gun, including shell 4 is also disclosed in the utility model The hot air apparatus of wind, hot air apparatus include heat generating core, and 4 front end of shell is equipped with hot air pipe 5, and heat generating core is located in hot air pipe 5, are generated heat Core is the heat gun heat generating core in any of the above-described technical solution, can so greatly promote leaving air temp, the heat gun of heat gun Working effect and heat gun working efficiency.

Specifically, heat gun includes battery pack 9, battery pack 9 be electrically connected with hot air apparatus and power to hot air apparatus so that Hot air apparatus work, by being arranged battery pack, heat gun uses simpler and conveniently, and heat gun will not be electric when working Source line is impeded, and not only can be operated heat gun from any direction, be influenced heat gun by power supply line length and influence to grasp Make apart from the problem of, can easily hold heat gun into each working environment, while also avoiding work outdoors well As when can not find socket and can not job execution the problem of, outwork can be suitable for well, be greatly improved heat gun The scope of application, be also greatly improved the ease of use of heat gun, and storing limited power and generate due to battery pack Electric power is also limited, and using the heat generating core in any of the above-described technical solution, and the loss of such heat generating core is small, and calorific value is big, not only The persistence of battery pack can be promoted well, that is, promotes the operating time of heat gun, and even if using low power battery pack The very high effect of leaving air temp can be reached, guarantee that leaving air temp is enough, the working effect to guarantee heat gun is good.

In order to further enhance the heat build-up effect of hot air pipe, separate heat generating core and heat as shown in Figure 1, being equipped in hot air pipe 5 Outer mica sleeve 6, the ceramic sleeve 7 of air hose, ceramic sleeve 7 are sheathed on the outside of mounting bracket 1, and outer mica sleeve 6 is sheathed on The outside of ceramic sleeve 7, hot air pipe 5 are sheathed on outer mica sleeve 6, are in this way produced the heating wire of heat generating core by ceramic sleeve Raw heat flocks together, and is not easy to disperse away, and outer mica sleeve is sheathed on the outside of ceramic sleeve, and hot air pipe is sheathed on On outer mica sleeve, further the heat of ceramic sleeve is flocked together, prevents the heat on ceramic sleeve from dispersing away, It also prevents in heat transfer to hot air pipe simultaneously, avoidable user inadvertently contacts hot air pipe and the risk scalded.

In order to further promote the heat build-up effect of hot air pipe, as shown in Figure 1, interior mica sleeve 8 is equipped in hot air pipe 5, Interior mica sleeve 8 is sheathed on the front end of mounting bracket 1 and coats close-packed section 21, so that the heat that close-packed section generates is just interior Mica sleeve is not easy disperse away to further aggregation, guarantees that heat that close-packed section generates is concentrated and enough, to guarantee wind-warm syndrome out Degree enough, to guarantee the working effect of heat gun, and promotes the working efficiency of heat gun.

In order to guarantee the working effect and job stability of heat gun, as shown in fig. 6, being equipped with inside the front end of hot air pipe 5 Ceramic outlet air mesh sheet 10, ceramic outlet air mesh sheet 10 are equipped with outlet air mesh 101, and outlet air mesh 101 is distributed in honeycomb, makes in this way The air temperature for obtaining heat gun blowout is uniform, not will lead to the excessively high situation of local temperature, to guarantee the working effect of heat gun And job stability, and the outlet air mesh sheet of ceramics not only high temperature resistant, corrosion-resistant, it cracking can be dissipated again after heat gun use Heat avoids scald human body well, promotes the safety of heat gun after use.

It should be understood that heat gun can also connect AC power source by power supply line, power supply line is electrically connected with hot air apparatus And powered to hot air apparatus so that hot air apparatus works, AC power supply is stablized, and can guarantee that heat gun adds in use Thermostabilization, wind-force are sufficient, work will not be caused to be interrupted because of voltage or current shakiness easily, can not only be continued indoors Stable work will not cause work to stop because of not enough power supply, ensure that working time and the working effect of heat gun.

Embodiment two:

The difference between this embodiment and the first embodiment lies in the structure of mounting bracket is different.

In the present embodiment, as shown in fig. 7, the longitudinal section of mounting bracket 1 is in Y-shaped, correspondingly, there are three close-packed section 21 sets And be distributed at three interior angles of mounting bracket 1, in this way, equally each close-packed section can be made to separate, neither influence so each Work between close-packed section, moreover it is possible to guarantee that the heat between each close-packed section concentrates in together, be not easy to disperse, to guarantee well The temperature of outlet air is enough, to guarantee the working effect of heat gun, and promotes the working efficiency of heat gun.

Other not described part-structures and its advantages are the same as example 1, and are no longer repeated one by one here.

Embodiment three:

The difference between this embodiment and the first embodiment lies in the structure of mounting bracket is different.

In the present embodiment, as shown in figure 8, the longitudinal section of mounting bracket 1 is in " * " shape, correspondingly, there are six close-packed section 21 sets And be distributed at six interior angles of mounting bracket 1, in this way, equally each close-packed section can be made to separate, neither influence so each Work between close-packed section, moreover it is possible to guarantee that the heat between each close-packed section concentrates in together, be not easy to disperse, to guarantee well The temperature of outlet air is enough, to guarantee the working effect of heat gun, and promotes the working efficiency of heat gun.

Other not described part-structures and its advantages are the same as example 1, and are no longer repeated one by one here.

In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model Range defined in appended claims.

Claims (10)

1. a kind of good heat gun heat generating core of heating effect, the heating wire including mounting bracket and in mounting bracket, peace Filling bracket is ceramic mounting bracket or mica mounting bracket, which is characterized in that the heating wire includes close-packed section, is sent out on close-packed section The surface of heated filament is equipped with insulating layer, and the spacing on close-packed section between adjacent heating wire is D, 0≤D≤2mm.

2. heat gun heat generating core according to claim 1, which is characterized in that the close-packed section is in hollow helical form, Spacing on close-packed section between adjacent heating wire is D, 0≤D≤1mm.

3. heat gun heat generating core according to claim 2, which is characterized in that the close-packed section is laterally arranged and along installation The central axial direction of bracket is arranged；Alternatively, the close-packed section is longitudinally disposed, in the central axis and mounting bracket of close-packed section Mandrel line antarafacial is vertically arranged.

4. heat gun heat generating core according to claim 2, which is characterized in that the axial length of the close-packed section is L, hair The diameter of heated filament is d, 2d≤L≤30d.

5. heat gun heat generating core according to claim 2, which is characterized in that be equipped in the hollow cavity of the close-packed section The heat build-up part of insulation.

6. heat gun heat generating core according to claim 5, which is characterized in that the heat build-up part is ceramic tube or ceramics Column.

7. heat gun heat generating core according to claim 1, which is characterized in that the insulating layer is coated on fever silk table The rare earth coating in face；Alternatively, the insulating layer is the rare earth casing for being coated on heating wire surface.

8. heat gun heat generating core according to claim 1, which is characterized in that the close-packed section is in bulk；Alternatively, described Close-packed section is in coiled type.

9. heat gun heat generating core according to claim 1, which is characterized in that the longitudinal section of the mounting bracket is in cross Shape, close-packed section set there are four and are distributed at four interior angles of mounting bracket；Alternatively, the longitudinal section of the mounting bracket is in Y word Shape, close-packed section set there are three and are distributed at three interior angles of mounting bracket；Alternatively, the longitudinal section of the mounting bracket is inShape, close-packed section set there are five and are distributed at five interior angles of mounting bracket；Alternatively, the longitudinal section of the mounting bracket It is inShape, close-packed section set there are six and are distributed at six interior angles of mounting bracket；Alternatively, the vertical of the mounting bracket cuts Face is in M shape, and close-packed section is equipped with eight and is distributed at eight interior angles of mounting bracket.

10. a kind of heat gun, including shell, shell is interior to be equipped with the hot air apparatus for generating hot wind, and hot air apparatus includes heat generating core, outside Shell front end is equipped with hot air pipe, and heat generating core is located in hot air pipe, which is characterized in that the heat generating core is any in claim 1 to 9 Heat gun heat generating core described in one.