CN201014762Y - Ceramic strip structure of hot-air gun heating wire - Google Patents
Ceramic strip structure of hot-air gun heating wire Download PDFInfo
- Publication number
- CN201014762Y CN201014762Y CNU2007200026721U CN200720002672U CN201014762Y CN 201014762 Y CN201014762 Y CN 201014762Y CN U2007200026721 U CNU2007200026721 U CN U2007200026721U CN 200720002672 U CN200720002672 U CN 200720002672U CN 201014762 Y CN201014762 Y CN 201014762Y
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- CN
- China
- Prior art keywords
- wind disk
- heating wire
- grooves
- porcelain bar
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a ceramic rod structure for electric heating wires of hot air guns, comprising a cross-shaped base, wherein base grooves are provided on four sides of the base; four locating pieces are respectively inserted and positioned in the cross-shaped grooves formed by the base; grooves are evenly arranged on the ceramic rod positioned outside the locating pieces; the electric heating wires are blocked and positioned inside the base grooves and grooves of the ceramic rod through winding; a wind disk is fixed at the front end of the base, and the ceramic rod is wider at the end closer to the wind disk and narrower at the other end; ventilation grooves that are through lengthways are provided on inner side of the locating pieces. According to aerodynamic principles, wind speed at the wider end of the ceramic rod, closer to the wind disk, is higher than that at the narrow end of the ceramic rod, further from the wind disk, and the electric heating wire wound over the end closer to the wind disk has a higher heat dissipation rate. The ventilation grooves positioned on inner side of the locating pieces function to increase the ventilation quantity and at the same time accelerate the ventilation speed. Therefore, the utility model can solve the problem that the three-cell electric heating wire closer to the wind disk can be easily blown due to high temperature, thus the service life can be extended.
Description
Technical field
The utility model relates to a kind of heat gun, particularly a kind of porcelain bar structure of heat gun heating wire.
Background technology
As shown in Figure 1, be the heating wire fixture in the heat gun airduct, comprise cross pedestal 1, uniform base recess 11 on four limits of pedestal 1, four locating pieces 2 plug-in card respectively are positioned in the pedestal 1 formed cross bath, uniform porcelain bar groove 22 on the porcelain bar 21 of these locating piece 2 arranged outside, heating wire 3 with around mode compel fastening in regular turn and be positioned at base recess 11 and porcelain bar groove 22, front end at pedestal 1 is provided with the wind disk 4 of a diameter less than the airduct internal diameter, motor is loaded on the rear end of heat gun housing, the thermal current that outwards blows out shown in the arrow L among the figure is subjected to wind disk 4 retardance and forms the eddy current that circles round, increased holdup time and the preheating time of air-flow in airduct, improved the temperature of thermal current, and the hot stream temperature that blows out from air outlet after eddy current mixes is more even, yet, retardation just because of 4 pairs of thermal currents of this wind disk, make to be looped around in base recess 11 and the porcelain bar groove 22 and enclose heating wire 3 near three of this wind disk 4, blow easily because temperature is too high, influence service life.
The utility model content
For overcoming above-mentioned defective, the utility model purpose is to provide a kind of porcelain bar structure of heat gun heating wire, uses this porcelain bar structure can prolong the service life of heating wire.
For achieving the above object, the porcelain bar structure of the utility model heat gun heating wire, comprise the cross pedestal, uniform base recess on four limits of pedestal, four locating pieces plug-in card respectively are positioned in the formed cross bath of pedestal, uniform porcelain bar groove on the porcelain bar of this locating piece arranged outside, heating wire with around mode compel fastening in regular turn and be positioned at base recess and porcelain bar groove, front end at pedestal is installed with a wind disk, the width of close wind disk one end of described porcelain bar is greater than the width away from wind disk one end, and described locating piece inboard is provided with the ventilation slot of vertical perforation.
The porcelain bar structure of above-mentioned heat gun heating wire, by with the porcelain bar near the width of wind disk one end be provided with bigger, and away from the width of wind disk one end be provided with less, utilize aerodynamic principle, the big wind speed near wind disk one end of porcelain bar width can be higher than the less wind speed away from wind disk one end of porcelain bar width, heating wire rapid heat dissipation near wind disk one end is heated evenly thereby form whole heating wire; Moreover, at the ventilation slot of the inboard vertical perforation that is provided with of locating piece, also accelerated the speed of ventilating when having strengthened ventilation, like this, just solved three circle heating wire temperature height of close wind disk, the problem of blowing has easily prolonged service life.
Description of drawings
Fig. 1 is the heating wire fixture schematic diagram in the existing heat gun airduct.
Fig. 2 is the heating wire fixture schematic diagram in the utility model heat gun airduct.
Fig. 3 is a porcelain bar structure enlarged diagram of the present utility model.
Fig. 4 is a porcelain bar structure enlarged diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
As Fig. 2, Fig. 3, shown in Figure 4, the porcelain bar structure of the utility model heat gun heating wire, comprise cross pedestal 1, uniform base recess 11 on four limits of pedestal 1, four locating pieces 2 plug-in card respectively are positioned in the pedestal 1 formed cross bath, uniform porcelain bar groove 22 on the porcelain bar 21 of locating piece 2 arranged outside, the porcelain bar 21 of this locating piece 2 and arranged outside thereof is made for heat-stable ceramic is one-body molded, heating wire 3 with around mode compel fastening in regular turn and be positioned at base recess 11 and porcelain bar groove 22, front end at pedestal 1 is installed with a wind disk 4, the width of these porcelain bar 21 close wind disk 4 one ends is provided with the ventilation slot 23 of vertical perforation greater than the width away from wind disk 4 one ends in locating piece 2 inboards.The porcelain bar structure of above-mentioned heat gun heating wire, by with porcelain bar 21 near the width of wind disk 4 one ends be provided with bigger, and away from the width of wind disk 4 one ends be provided with less, utilize aerodynamic principle, the big wind speed near wind disk 4 one ends of porcelain bar 21 width can be higher than the less wind speed away from wind disk 4 one ends of porcelain bar 21 width, heating wire 3 rapid heat dissipations near wind disk 4 one ends are heated evenly thereby form whole heating wire 3; Moreover, at the ventilation slot 23 of the locating piece 2 inboard vertical perforations that are provided with, also accelerated the speed of ventilating when having strengthened ventilation, like this, just solved three circle heating wire, the 3 temperature height of close wind disk 4, the problem of blowing has easily prolonged service life.
Claims (2)
1. the porcelain bar structure of a heat gun heating wire, comprise the cross pedestal, uniform base recess on four limits of pedestal, four locating pieces plug-in card respectively are positioned in the formed cross bath of pedestal, uniform porcelain bar groove on the porcelain bar of this locating piece arranged outside, heating wire with around mode compel fastening in regular turn and be positioned at base recess and porcelain bar groove, front end at pedestal is installed with a wind disk, it is characterized in that: the width of close wind disk one end of described porcelain bar is greater than the width away from wind disk one end, and described locating piece inboard is provided with the ventilation slot of vertical perforation.
2. according to the porcelain bar structure of the described heat gun heating wire of claim 1, it is characterized in that: to be that heat-stable ceramic is one-body molded make the porcelain bar of described locating piece and arranged outside thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200026721U CN201014762Y (en) | 2007-01-26 | 2007-01-26 | Ceramic strip structure of hot-air gun heating wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200026721U CN201014762Y (en) | 2007-01-26 | 2007-01-26 | Ceramic strip structure of hot-air gun heating wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201014762Y true CN201014762Y (en) | 2008-01-30 |
Family
ID=39026560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200026721U Expired - Fee Related CN201014762Y (en) | 2007-01-26 | 2007-01-26 | Ceramic strip structure of hot-air gun heating wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201014762Y (en) |
-
2007
- 2007-01-26 CN CNU2007200026721U patent/CN201014762Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20140126 |