CN102022759A - Throttle regulator for gas range - Google Patents
Throttle regulator for gas range Download PDFInfo
- Publication number
- CN102022759A CN102022759A CN2009101719622A CN200910171962A CN102022759A CN 102022759 A CN102022759 A CN 102022759A CN 2009101719622 A CN2009101719622 A CN 2009101719622A CN 200910171962 A CN200910171962 A CN 200910171962A CN 102022759 A CN102022759 A CN 102022759A
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- air
- gear sheet
- conditioning plate
- end cover
- rotary knob
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Abstract
The present invention relates to a throttle regulator for an embedded gas range. The throttle regulator comprises: a rotary toothed air-conditioning board [7] with a nozzle as the axle center, which is arranged at the air inlet of a Venturi mixing tube (10) of the gas range; a gear piece (5) which can rotate in engagement with the air-conditioning board; an adjusting knob stem (2) extending out of the bottom cover and driving the gear piece; and an adjusting knob. The throttle regulator is characterized by stable, convenient and safe operation, simple structure and convenient manufacture, and the problem of adjusting the throttle of a burner when the bottom cover of an embedded gas range is completely enclosed is solved.
Description
(1) technical field:
Patent of the present invention relates to a kind of Gas Range Air Door Controlling Device, specifically is used for the adjusting device of gas burner for embedded gas combustion oven air door.
(2) background technology:
The built-in home gas-cooker that existing market is sold generally all offers an elongate slot on its end cover, the poke rod of a damper passes elongate slot and extends end cover from the inside of gas-cooker.The operator can by stir this poke rod in elongate slot back and forth straight line move damper, air door is to rotate along the axle center of nozzle.Caused the elongate slot on end cover must be very long like this, and tool will have certain width, and gas-cooker embeds when being installed in the cabinet, and air advances gas-cooker by elongate slot when opening and closing cabinet influences fired state, even cause fire extinguishing, therefore there is certain potential safety hazard." household gas utensils " standard GB of in March, 2003 promulgation is revised regulation in the list " enclosed construction should be adopted in the embedding position " for 16410 No. second for this reason.
Patent of the present invention is a weak point of avoiding prior art to exist, and provide a kind of easy to use, regulate reliable, make combustion gas regulating device of air door simple, easy to assembly.
(3) summary of the invention
The technical scheme of patent of the present invention is: a kind of regulating device of air door of gas-cooker, it is included in the end cover (1) of kitchen range table top below, in this end cover (1), Wen's mixing tube (10) is installed, there are 8 font air doors at Wen's mixing tube air inlet place, nozzle (9), holddown spring (8) and one are the rotatable gear sheet (5) of regulating the air-conditioning plate (7) of air-flow and promoting the air-conditioning plate in axle center with the nozzle, in gear sheet (5) assembling adult, be installed on end cover (1) outside string the end cover rotary knob rod (2) of going up the through hole crossette form, the other end of rotary knob rod (2) outside end cover (1), and be fixed with shaggy knob, has profile of tooth on the limit of described air-conditioning plate (7), one end of rotary knob rod (2) is being fixed a gear sheet, and this gear sheet is meshed with the profile of tooth of air-conditioning plate (7).
Patent of the present invention also has following attached technical characterictic: described air-conditioning plate that is meshed and gear sheet all are smooth flute profile thin slice; Have profile of tooth on the outer circumference of air-conditioning plate and be meshed with slim gear sheet on being fixed on rotary knob rod one end, with the nozzle is that the axle center is rotatable, the through hole crossette of rotary knob rod and back cover bottom surface is abutted against, on rotary knob rod, be provided with groove, groove matches with E type jump ring, make that rotary knob rod is that rotate in the axle center with the through hole, but being installed on the back cover of can not moving up and down.Be processed into the special-shaped boss of shoulder at back cover inner button bar one end, the irregularly-shaped hole that matches with rotary knob rod abnormity boss also is processed at the center of thin type gear sheet, be inserted on rotary knob rod one end, the rotary knob rod that is positioned at above the slim gear sheet is provided with a groove, groove matches with E type jump ring, makes thin type gear sheet and rotary knob rod form a rigid body.
The be meshing with each other relation of transverse tooth thickness on the air-conditioning plate (7) that rotates and the gear sheet (5) and space width of two smooth flute profile thin slices is that space width R on the air-conditioning plate (7) is more than or equal to the product of the transverse tooth thickness M of gear sheet (5) and the engagement half-angle B cosine inverse on the gear sheet; The space width E of gear sheet is more than or equal to the engagement half-angle A cosine of the transverse tooth thickness N of air-conditioning plate (7) and air-conditioning plate (7) product reciprocal, and they greater than value equate.The be meshing with each other condition of rotating of two smooth flute profile thin slices is that space width is greater than or equals the full-size of transverse tooth thickness in motion process.Can determine profile of tooth working diameter on the circumference of air-conditioning plate outer according to Wen's mixing tube inlet scoop size for this reason, and determine transverse tooth thickness according to the stiffness of diel; Simultaneously can be according to the external diameter of the locus decision gear sheet on the end cover, and according to the transverse tooth thickness of the stiffness of diel decision gear sheet, for guarantee motion continuously, select the contact ratio of tooth, determine to work simultaneously the number of teeth, with the method for mapping can draw gear sheet and air-conditioning plate two flank engagement the time, single tooth is from entering gear sheet and the air-conditioning plate displacement angle that is engaged to separation process, thereby draws the maximum tooth thickness size (transverse tooth thickness * 1/cos α) in the motion process.Minimum tooth spacing on the air-conditioning plate is the maximum tooth thickness size of gear sheet in motion process; The minimum tooth spacing of gear sheet is the maximum tooth thickness size of air-conditioning plate in the motion process formula, space width and transverse tooth thickness the angular aperture sum in corresponding axle center remove the number of teeth that promptly obtains one week on corresponding gear sheet, the air-conditioning plate behind 360 ° of roundings, adjust space width then, make they greater than value equate.
Patent of the present invention has the following advantages compared to existing technology: implement the needed parts in addition of this technical scheme and lack than national patent 01220334,3 other numbers of packages, assembling process also will make things convenient for a lot, there is not any motion dead angle at the damper standard-sized sheet in the technical program in the process of full cut-off, it is unimpeded, accurate to move.Kept 01220334,3 of national patents simultaneously and had all advantages, closed performance is good, and air door is subjected to extraneous windage little, can satisfy the requirement of GB to embedded gas-cooker fully.
(4) accompanying drawing of patent of the present invention and drawing are described as follows:
Fig. 1, be the front view of an embodiment of patent of the present invention
Fig. 2, for figure (1) vertical view
Fig. 3, be the front view of air-conditioning plate and gear sheet gear motion figure
Fig. 4, for figure (3) vertical view
The installation diagram of Fig. 5, rotary knob rod and end cover, gear sheet
(5) specific implementation method:
Below in conjunction with accompanying drawing one (1) and accompanying drawing (2) embodiment is described, instead in end cover go out a boss making on the end cover (1), the centre has an aperture, make rotary knob rod (2) pass this aperture, one end of knob is the clocklike shaggy knob (3) of cast molding or annular knurl moulding, knob (3) covers circulation inner and extraneous air near end cover (1) to reduce the end, the order that as far as possible reaches sealing gets, the fit system of rotary knob rod and end cover be the rotary knob rod diameter with end cover on aperture directly through identical and have a matched in clearance, knob (3) shoulder upwards covers the height and the gear sheet thickness place of convex approximately the end of greater than, make a groove, be stuck in the groove with E type jump ring (6), make rotary knob rod on end cover, to rotate, and axially can not move up and down.Rotary knob rod (2) is gone up the other end and is made special-shaped convex and shoulder, be pressed at gear sheet (5) centre punch and seal in rotary knob rod convex two profiled holes with special-shaped hole and tightly match, rotary knob rod is made groove on the gear sheet, be stuck in the groove with E type jump ring (6), make gear sheet and rotary knob rod join together, nozzle (9) holddown spring (8) air-conditioning plate (7) is installed in that Wen's mixing tube (10) is gone up and the axle center is concentric, when hand-screw moves knob, the gear sheet rotates the flank of tooth along cover through hole axle center, the end and rotates along the nozzle axle center in air-conditioning plate flank engagement drive air-conditioning plate (7), thereby change the air capacity that the air port size enters in order to adjusting, it can make the air-conditioning plate move in whole 90 ° of scopes of standard-sized sheet and full cut-off.
Figure (3) and figure (4) be the contact ratio of tooth greater than 2 less than 3 movement locus figure; The movement locus of gear sheet is projected as straight line (5) in the motion front view as can be seen from Figure 3, it is tangential on the circle that straight warp is F in the air-conditioning plate, N is the air-conditioning plate transverse tooth thickness on the tangent circle F, angle A is the engagement half-angle of air-conditioning plate motion, it be the maximum cylindrical of air-conditioning plate tooth in the center line of the maximum angle of cut position of the projection line of gear sheet on front view space-time tuned plate transverse tooth thickness in the angle of cut of the central vertical line of air-conditioning plate, R is the air-conditioning plate space width of tangent circle F, can calculate the transverse tooth thickness of air-conditioning plate maximum in whole gear motion track thus, be transverse tooth thickness S, then S=transverse tooth thickness Nx (1 cosA).
The movement locus of air-conditioning plate is projected as straight line (7) in the motion front view as can be seen from Figure 4, it is tangential on the circle that straight warp is Y in the gear sheet, M is the gear sheet transverse tooth thickness on the tangent circle Y, angle B is the engagement half-angle of gear sheet motion, it is that the center line of maximum cylindrical gear sheet transverse tooth thickness when the maximum angle of cut position of the projection line of air-conditioning plate on front view of tooth wheel tooth is in the angle of cut of the central vertical line of gear sheet, E is the air-conditioning plate space width of tangent circle Y, can calculate the transverse tooth thickness of gear sheet maximum in whole gear motion track thus, be transverse tooth thickness Q, then Q=transverse tooth thickness Mx (1 cosB).
Slick and sly more for the ease of making in the motion process, it is that the outer end of datum tooth is little that profile of tooth can be made transverse tooth thickness with tangent circle, the profile of tooth that constant slope is arranged that tooth root is big, and all acute angles are all made fillet.
Fig. 5 is rotary knob rod, knob, the gear sheet installation diagram on end cover, from the figure as can be seen rotary knob rod by through hole convex location, by groove, the locking of E type jump ring.
Claims (3)
1. the regulating device of air door of a gas-cooker, it is included in the end cover (1) of kitchen range table top below, in this end cover (1), Wen's mixing tube (10) is installed, there are 8 font air doors at Wen's mixing tube air inlet place, nozzle (9), holddown spring (8) and one are the rotatable gear sheet (5) of regulating the air-conditioning plate (7) of air-flow and promoting the air-conditioning plate in axle center with the nozzle, in gear sheet (5) assembling adult, be installed on end cover (1) outside string the end cover rotary knob rod (2) of going up the through hole crossette form, the other end of rotary knob rod (2) outside end cover (1), and be fixed with shaggy knob, its feature has profile of tooth on the limit of described air-conditioning plate (7), one end of rotary knob rod (2) is being fixed a gear sheet, and this gear sheet is meshed with the profile of tooth of air-conditioning plate (7).
2. the Gas Range Air Door Controlling Device according to claim 1 is characterized in that the air-conditioning plate (7) that is meshed all is smooth flute profile thin slice with gear sheet (5).
3. the Gas Range Air Door Controlling Device according to claim 2, the relation that it is characterized in that transverse tooth thickness on the air-conditioning plate (7) that is meshed and the gear sheet (5) and space width are that space width R on the air-conditioning plate (7) is more than or equal to the product of the transverse tooth thickness M of gear sheet (5) and the engagement half-angle B cosine inverse on the gear sheet; The space width E of gear sheet (5) is more than or equal to the transverse tooth thickness N of air-conditioning plate (7) and the engagement half-angle A cosine on the air-conditioning plate (7) product reciprocal, and they greater than value equate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101719622A CN102022759A (en) | 2009-09-20 | 2009-09-20 | Throttle regulator for gas range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101719622A CN102022759A (en) | 2009-09-20 | 2009-09-20 | Throttle regulator for gas range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102022759A true CN102022759A (en) | 2011-04-20 |
Family
ID=43864361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101719622A Pending CN102022759A (en) | 2009-09-20 | 2009-09-20 | Throttle regulator for gas range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102022759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927597A (en) * | 2012-11-22 | 2013-02-13 | 中山百得厨卫有限公司 | Air door adjusting device for gas stove |
-
2009
- 2009-09-20 CN CN2009101719622A patent/CN102022759A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927597A (en) * | 2012-11-22 | 2013-02-13 | 中山百得厨卫有限公司 | Air door adjusting device for gas stove |
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Application publication date: 20110420 |