CN1719104A

CN1719104A - Structure improved gas hot air gun

Info

Publication number: CN1719104A
Application number: CNA200410063729XA
Authority: CN
Inventors: 林槐泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-07
Filing date: 2004-07-07
Publication date: 2006-01-11
Anticipated expiration: 2024-07-07
Also published as: CN100346106C

Abstract

The present invention relates to a structure-improved gas hot air gun. It includes a main body, an air-supplying machine, a flame igniter, a spray nozzle and a switch group. Said main body includes a tube portion and a handle portion, in the interior of tube portion a heating chamber is set, and in the interior of said handle portion a group battery and a gas tank are set, the spray nozzle is connected with gas tank. The switch group includes a power supply switch and an ignition switch. Besides, said invention also provides its working principle.

Description

Structure improved gas hot air gun

Technical field

The present invention relates to a kind of gas hot air gun, particularly a kind of structure improved gas hot air gun.

Background technology

The structural form of society makes rapid progress, and the required quality of the life of people improves relatively, and also from can be with all right old thinking, the quite exquisiteness that become has the conception of continuous progress or innovation only, could satisfy the demand of modern society to the requirement of things.

Please refer to the TW patent announcement and number No. 83795 " heat gun internal structure improved device ", it comprises a housing 1, a hot blast base 2, one heat insulation magnetic support 3, an airduct 4 and an air-supply arrangement 5; Housing 1 holds said modules, and hot blast base 2 surfaces are wound with electrically-heated coil 6, and be inserted in the heat insulation magnetic support 3, and be sheathed on outermost layer and can be fixed in the housing 1 by airduct 4, via electrically-heated coil 6 produce high temperature and by air-supply arrangement 5 with hot blast by blowing out in the airduct 4.

Should existing heat gun structure in practicality, still have the many places shortcoming; because of it must establish supply socket to connect by a power line; so that electrically-heated coil 6 heatings produce high temperature; in carrying suitable inconvenience; and if when outdoor work; usually can not find attaching plug and can't construct; and must carry a generator voluntarily; suitable trouble, and difficult cooling the in the high heat of electrically-heated coil 6 generations back still can't be tidied up this air-heater after construction finishes at once; and scald the user of service easily; having no security can say, this kind is not inconsistent very impracticable of design that industry utilizes, so necessity of improvement is arranged.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art and defective; a kind of structure improved gas hot air gun is provided; the technical problem that its desire solves is that this existing heat gun structure-improved must establish supply socket to connect by a power line; so that the electrically-heated coil heating produces high temperature; in carrying suitable inconvenience; and if when outdoor work; usually can not find attaching plug and can't construct; and must carry a generator voluntarily, suitable trouble, and electrically-heated coil produces the difficult cooling in high heat back; after finishing, construction still can't this air-heater be tidied up at once; and scald the user of service easily, have no security and can say, the utmost point awaits improving.

For reaching above-mentioned purpose, the invention provides a kind of structure improved gas hot air gun, it includes a body, a pressure fan, igniting device, a nozzle and a switches set; Body includes a pipe portion and a shank, establish a heating clamber in the pipe portion, be provided with a battery pack and a gas jar in the shank, nozzle is connected with the gas jar, switches set includes a power switch and an igniting switch, stir power switch so that the nozzle ejecting fluid to heating clamber, and push ignition switch and make igniter ignite fluid and in heating clamber, produce thermal source, by pressure fan the hot blast in the heating clamber is sent outside the body again, the sheet metal and one that wherein more is equiped with a rectifiable in the heating clamber can be avoided the catalyst of naked light generation, design of the present invention is light and handy and be convenient for carrying, and is quite practical, so be one to have the design of progressive.

Other purpose, advantage and novel characteristics of the present invention will make it more obvious from the following detailed description and related drawings.

Description of drawings

Fig. 1 is a stereo appearance figure of the present invention;

Fig. 2 is a three-dimensional exploded view of the present invention;

Fig. 3 is a profile of the present invention;

Fig. 4 is user mode figure of the present invention;

Fig. 5 is a partial enlarged drawing of the present invention, the flow direction of expression mist;

Fig. 6 is a profile of the present invention, expression replaceable battery group and gas tool;

Fig. 7 is a stereogram of the present invention, and expression can be installed a wind-collecting cover.

Symbol description among the figure

10 bodies, 11 pipe portions, 111 heating clambers

112 mixing chambers, 113 sheet metals, 114 catalyst

115 combustion chambers, 116 reducings, 117 suction inlets

118 paths, 119 tubular wire nettings, 120 circular metal nets

12 shanks, 121 battery pack

122 gas jars, 123 first rooms, 124 second rooms

125 lids, 13 air inlets, 131 guardrails

14 gas outlets, 15 wind-collecting covers, 20 pressure fans

21 motors, 22 blades, 23 temperature sensors

30 igniters, 40 nozzles, 50 switches set

51 power switches, 511 control levers, 52 ignition switches

53 control valves

The specific embodiment

Relevant the technology used in the present invention, means and effect thereof, lift now that a preferred embodiment and conjunction with figs. describe in detail as after.

Please refer to Fig. 1 to Fig. 7, person shown in the figure only for the usefulness of explanation, is not subjected to the restriction of this kind structure on protection domain.

Referring to figs. 1 through Fig. 3, a body 10, a pressure fan 20, igniting device 30, a nozzle 40 and a switches set 50 have been the present invention includes; This body 10 has a pipe portion 11 and a shank 12, be provided with a heating clamber 111 in the pipe portion 11, establish a gas jar 122 in the shank 12, toggle switch group 50 is so that nozzle 40 is ejected to heating clamber 111 with the fluid in the gas jar 122, and, by pressure fan 20 hot blasts in the heating clamber 111 are sent outside the body 10 again by ignite fluid and in heating clamber 111, produce thermal source of igniter 30; Wherein:

Aforesaid body 10 includes a pipe portion 11, a shank 12, an air inlet 13 and a gas outlet 14; Front end in this pipe portion 11 is provided with a heating clamber 111 and a mixing chamber 112, in the heating clamber 111 and be equiped with a sheet metal 113 and a catalyst 114 that is the carambola shape, this sheet metal 113 is positioned at the end of heating clamber 111 near pipe portion 11 the place aheads, and catalyst 114 is positioned at the end of heating clamber 111 near pipe portion 11 rears, sheet metal 113 offers a combustion chamber 115, this mixing chamber 112 is located at the side of heating clamber 111 in contrast to pipe portion 11 the place aheads, this mixing chamber 112 forms a reducing 116 near an end of sheet metal 113, this contracts and 116 interlinks with the combustion chamber 115 of sheet metal 113, and offer several suction inlet 117 on every side in mixing chamber 112, be formed with path 118 between carambola shape sheet metal 113 and the pipe portion 11, and between the reducing 116 of the combustion chamber 115 of sheet metal 113 and mixing chamber 112, be equiped with one can control mixed gas flow to tubular wire netting 119, this tubular wire netting 119 is near an end of the gas outlets 14 closeer circular metal net 120 of a slice mesh that also is sticked; This shank 12 communicates with pipe portion 11 and is connected in pipe portion 11 belows, be provided with one first room 123 and second room 124 in this shank 12, this first room 123 and second room 124 are equiped with a battery pack 121 and a gas jar 122 respectively, include combustible fluid in this gas jar 122, be generally liquid gas, shank 12 bottoms are pivoted with a mobilizable lid 125 in order to cover first room 123 and second room 124; This air inlet 13 is installed in the tail end of pipe portion 11, but in the supplied gas inflow pipe portion 11, this air inlet 13 is provided with several guardrail 131, and is injured in order to prevent finger from stretching into because of carelessness; These 14 front ends that are positioned at pipe portion 11 of giving vent to anger are in order to the gas in the discharge pipe portion 11;

One pressure fan 20, be installed in the tail end in the pipe portion 11, can bleed from air inlet 13 and send in the pipe portion 11, in present embodiment is to adopt the axial flow motor, this pressure fan 20 includes a motor 21, one blade 22 and a temperature sensor 23, wherein motor 21 is positioned at the side near gas outlet 14, and blade 22 is located on the motor 21 and be positioned at a side near air inlet 13, can drive rotation by motor 21, this temperature sensor 23 is installed near in the pipe portion 11 around the heating clamber 111, can be in using the back to keep pressure fan 20 air-supplies, heating clamber 111 is cooled to uniform temperature out-of-blast machine 20 runnings of beginning;

One igniting device 30 is arranged in heating clamber 111 sheet metals 113, is to be arranged in the combustion chamber 115 of sheet metal 113 in this enforcements profit, can ignite to enter the interior gas of heating clamber 111;

One nozzle 40 be installed in the pipe portion 11 of body 10, and between pressure fan 20 and mixing chamber 112, an end and the gas jar 122 of this nozzle 40 interlinks;

One switches set 50, be arranged at shank 12 interior ends of body 10 near pipe portion 11, this switches set 50 includes a power switch 51, an igniting switch 52 and a control valve 53, this power switch 51 is connected battery pack 121 and pressure fan 20 with electric wire, power switch 51 also is provided with the keying that a control lever 511 can be controlled gas jar 122, and ignition switch 52 is connected between battery pack 121 and the igniter 30 with electric wire, and 53 in this control valve is located on the gas jar 122 and can be adjusted the flow of gas jar 122.

With reference to Fig. 4, when power switch 51 is opened, its control lever 511 makes gas jar 122 form opening, methane gas is via nozzle 40 ejections, the pressure fan 20 of this moment sucks and delivers to mixing chamber 112 with air from air inlet 13, make air and Device in Gas be mixed into gaseous mixture, and the gaseous mixture in the mixing chamber 112 is when the reducing 116, because this reducing 116 is the bore of a gradually-reducing shape, so the effect with the gaseous mixture compression is arranged, speed is very fast when making gaseous mixture ejection reducing 116, and the gaseous mixture that spray this moment at a high speed enters the combustion chamber 115 of sheet metal 113, blow to the tubular wire netting 119 (please refer to Fig. 5) that bootable mist flows to, because the position stops with tubular wire netting 119 formation two roads at the circular metal net 120 of tubular wire netting 119 front ends, and the mesh of circular metal net 120 is closeer, advances so can effectively suppress gas, make most mist towards around become radial direction to send.When pressing ignition switch 52, starting ignition device 30 is with the gaseous mixture generation flame that ignites, spontaneous combustion chamber 115 is dispersed into several flare burnings to sheet metal 113 all around on every side during this flame combustion, the temperature of sheet metal 113 is risen gradually, be burning for the first time, and the air that pressure fan 20 is sent is during through the path 118 of carambola shape sheet metal 113, because carambola shape sheet metal 113 has good rate of heat exchange, so air can be taken away the heat of sheet metal 113 and form hot-air, this Hot air quilt is taken to catalyst 114, and catalyst 114 can will still contain the completing combustion that a spot of methane gas fills part in the hot-air, reduce the generation of carbon monoxide, this is second-time burning, because hot-air is through burning for the second time, so can improve the temperature of hot-air once more, and obtain the gas of safety and high temperature, in addition, catalyst 114 more can avoid naked light to produce, and effectively prevents in the sheet metal 113 still outside burning fire seedling ejection gas outlet 14.

Wherein gaseous mixture needs good mixing ratio, just can in combustion chamber 115, obtain a good combustion rate, so when the oxygen content in the gaseous mixture is crossed when low, be opened in combustion chamber 115 suction inlet 117 on every side and can in time replenish air, the principle that it utilizes the reducing 116 bore convergents of mixing chamber 112 makes air be inhaled into and mix with Device in Gas from suction inlet 117, enters burn steadilies in the combustion chamber 115, in addition, also can control the flow of Device in Gas via control valve 53; Because the sheet metal 113 in the heating clamber 111 has good thermal conductivity, can be by the combustion chamber after igniting 115 promptly with its intensification, and the flame in heating clamber 111 is if incomplete combustion promptly can produce poisonous carbon monoxide, harmful, in order to make the completing combustion of flame energy, catalyst 114 can be reached this purpose, this catalyst 114 can produce chemical reaction with aflame methane gas, make the gas after the burning be transformed into nontoxic carbon dioxide, the gas that forms a safety is discharged, and catalyst 114 more can avoid naked light to produce, and prevents that effectively flame from leaking out outside the gas outlet 14.

In addition, the temperature sensor 23 that pressure fan 20 connects is installed near in the pipe portion 11 of heating clamber 111, after power switch 51 is closed, nozzle 40 stops jet, heating clamber 111 completion of combustion processes and still keep a condition of high temperature, the temperature sensor 23 of this moment senses the high temperature of heating clamber 111 and makes pressure fan 20 energisings, make pressure fan 20 runnings keep air-supply to reduce the temperature of heating clamber 111, because sheet metal 113 has a good thermal conductivity, lower the temperature so can absorb cold air apace, help heating clamber 111 coolings, after temperature sensor 23 sensing heating clambers 111 arrive certain chilling temperature, be about to pressure fan 20 outages, this design makes the more convenient danger of carrying and being difficult for taking place scalding of the present invention.

With reference to Fig. 6, when battery pack 121 or gas jar 122 consume use up after, battery pack 121 that can more renew again or gas jar 122, it is quite convenient to change action, only must can in first room 123 or second room 124, take out by uncap 125, replacing new product again gets final product, but this gas jar 122 also can adopt the gas jar of fill-type, and the present invention is owing to be to adopt the methane gas burning to produce high temperature, so exempted and having connect the trouble of establishing power line, more can reduce taking up room, be easy to carry and still can reach the effect that produces high-temperature hot-air, with reference to Fig. 7, the present invention's wind-collecting cover 15 of more can arranging in pairs or groups places the pipe fitting of desire heating on the wind-collecting cover 15, with the Fast Heating pipe fitting, more convenient in the use, so be one to have the invention of progressive.

Can summarize the present invention with regard to the above and have following advantage:

1. the structure improved gas hot air gun of the present invention wherein offers several suction inlet around this mixing chamber, can flow into to reach better mixing ratio for air.

2. the structure improved gas hot air gun of the present invention, wherein this sheet metal has good rate of heat exchange and thermal conductivity, can heat apace or cool off, and the effect of rectification is arranged.

3. the structure improved gas hot air gun of the present invention, wherein this catalyst can help mist completing combustion maturely, can reduce the generation of carbon monoxide, and gas temperature is improved, and effectively avoids the generation of naked light.

4. the structure improved gas hot air gun of the present invention, wherein this temperature sensor can close in power switch and finish the back and keep the pressure fan air-supply, and heating clamber is cooled to the uniform temperature out-of-blast machine running of beginning.

5. the structure improved gas hot air gun of the present invention, wherein body takes up room for a short time, be easy to carry, and battery pack and gas jar uses up the replaceable new product in back and continue to use, so the present invention has progressive.

The present invention is described by the drawings in detail of most preferred embodiment.Being familiar with this operator can derive many variations and needn't deviate from category of the present invention from most preferred embodiment.Therefore, the unlikely restriction of most preferred embodiment category of the present invention.Category of the present invention is defined in the scope of claims.

Claims

1. a structure improved gas hot air gun is characterized in that, comprising:

One body has a pipe portion and a shank, establishes a heating clamber and mixing chamber in the pipe portion, is provided with a battery pack and a gas jar in the shank, and this gas jar contains combustible fluid;

One pressure fan, it is arranged in the pipe portion, can be by battery-powered and turn round;

One igniting device is installed in the pipe portion;

One nozzle is installed in the body, and can accept in the gas jar fluid and with it ejection;

One switches set, it is located on the body, and this switches set includes a power switch and an igniting switch;

Thus, stir power switch so that nozzle ejecting fluid mixing chamber, and the gas in the mixing chamber flow to heating clamber, push ignition switch and make igniter ignite gas and produce thermal source, by pressure fan the hot blast in the heating clamber is sent outside the body again.

2. structure improved gas hot air gun as claimed in claim 1, wherein, pipe portion tail end offers several through holes, but supplied gas flows into.

3. structure improved gas hot air gun as claimed in claim 1, wherein, pipe portion front end can be installed a wind-collecting cover, with high-temperature gas output in the active set.

4. structure improved gas hot air gun as claimed in claim 1 wherein, is provided with one first room and second room in the shank, this battery pack is installed in first room of shank, canned second room of being located at shank of this gas.

5. structure improved gas hot air gun as claimed in claim 1, wherein, this gas jar can adopt fill-type gas jar.

6. structure improved gas hot air gun as claimed in claim 4, wherein, shank is provided with a mobilizable lid, can make first room and second room form the closure or openness state.

7. structure improved gas hot air gun as claimed in claim 1, wherein, this switches set more includes a control valve.

8. structure improved gas hot air gun as claimed in claim 1, wherein, this switches set is arranged on the shank of body.

9. structure improved gas hot air gun as claimed in claim 1, wherein, this power switch is electrically connected at pressure fan and battery pack, and this power switch also is provided with the keying that a control lever can be controlled the gas jar.

10. structure improved gas hot air gun as claimed in claim 1, wherein, this ignition switch is connected in igniter.

11. structure improved gas hot air gun as claimed in claim 7, wherein, this control valve can be controlled the flow of gas jar.

12. structure improved gas hot air gun as claimed in claim 1, wherein, heating clamber and mixing chamber interlink.

13. structure improved gas hot air gun as claimed in claim 1, wherein, heating clamber is arranged at the front end of pipe portion, and mixing chamber is arranged at the side of heating clamber near pipe portion tail end.

14. structure improved gas hot air gun as claimed in claim 1, wherein, this mixing chamber forms a reducing near an end of heating clamber, and its relative aperture is little near an end of shower nozzle.

15. structure improved gas hot air gun as claimed in claim 14 wherein, offers several suction inlet around the mixing chamber, can flow into to reach better mixing ratio for air.

16. structure improved gas hot air gun as claimed in claim 1, wherein, heating clamber is equiped with a sheet metal, and good rate of heat exchange and thermal conductivity are arranged, and can heat apace or cool off, and the effect of rectification is arranged.

17. structure improved gas hot air gun as claimed in claim 1, wherein, heating clamber is equiped with a catalyst, can help mist completing combustion maturely, reduces the generation of carbon monoxide, and gas temperature is improved, and effectively avoids the generation of naked light.

18. structure improved gas hot air gun as claimed in claim 16, wherein, an end of this sheet metal is provided with a combustion chamber, and this combustion chamber and mixing chamber interlink.

19. structure improved gas hot air gun as claimed in claim 18, wherein, in this combustion chamber can be arranged at for igniter.

20. structure improved gas hot air gun as claimed in claim 1, wherein, the tail end of blower setting in pipe portion.

21. structure improved gas hot air gun as claimed in claim 20, wherein, this pressure fan has a motor and a blade, and wherein motor is positioned at the side near pipe portion front end, and blade is positioned at the side near pipe portion tail end.

22. structure improved gas hot air gun as claimed in claim 20, wherein, this pressure fan has more a temperature sensor, this temperature sensor is installed near in the pipe portion of heating clamber, can close finish the back in power switch and keep the pressure fan air-supply, heating clamber is cooled to the uniform temperature out-of-blast machine running of beginning.

23. structure improved gas hot air gun as claimed in claim 1, wherein, this nozzle is installed in the body tube portion, and between pressure fan and mixing chamber.