Information
-
Patent Grant
-
6659765
-
Patent Number
6,659,765
-
Date Filed
Wednesday, December 18, 200222 years ago
-
Date Issued
Tuesday, December 9, 200321 years ago
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Inventors
-
Original Assignees
-
Examiners
Agents
- Dennison,Schultz & Dougherty
-
CPC
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US Classifications
Field of Search
US
- 431 7
- 431 328
- 431 329
- 431 354
- 431 326
- 126 92 R
- 126 92 AC
- 126 92 B
- 126 92 C
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International Classifications
-
Abstract
An infrared rays gas burner comprises a main member having a box which has a base seat and a cover, two non-asbestos pads, ceramic planks and guiding device. The non-asbestos pads is mounted the base seat and the ceramic planks rests on the non-asbestos pad and the cover is secured to the base seat with stop portions thereon against the ceramic plank. A gas mixing tube, which works as a Venturi tube, is mounted on the base seat to inject gas into the base seat. The guiding device is mounted in the base seat, which has guiding portions and outlets thereon for spreading the gas injected from the gas mixing tube in the base seat equally.
Description
FIELD OF THE INVENTION
The present invention relates to a gas stove, and more particularly to a composite an infrared rays gas burner.
BACKGROUND OF THE INVENTION
A conventional infrared rayed gas burner was provided in a stove which burns gas to heat a ceramic plank so as to provide infrared rays for cooking foods. There were two types of infrared rayed gas burners presented in the market, one of which provided ceramic planks on a conventional gas burner to heat them directly, the other one of which provided an open type gas burner and fixed with ceramic planks thereon with galvanized iron nails. The gas burner of the second type is smaller and gas and air will be mixed well so that the second type of the conventional infrared rayed gas burner is popular in the present market.
It will be noted that the ceramic planks of the second type of the infrared rayed gas burner is fixed the with the gas burner by galvanized iron nails, therefore the ceramic planks are easy to be damaged when assembling, and, if the ceramic plank were damaged, all of them must be replaced and the replacement procedures are not an easy work.
SUMMARY OF THE INVENTION
The primary object of the present invention is to provide an infrared rays gas burner, which will not damage the ceramic planks.
The secondary object of the present invention is to provide an infrared rays gas burner, which has an easy way to assemble it.
The third object of the present invention is to provide an infrared rays gas burner, which can only replace parts of the ceramic planks which are damaged.
According to the objects of the present invention, an infrared rays gas burner comprises a main member having a box which has a base seat and a cover, at least a non-asbestos pad and at least a ceramic plank, wherein the base seat has an opening at a top side thereof, support portions at the top side thereof and a connecting opening and lock holes on an end thereof and the cover has an opening at a midsection thereof and stop portions at an edge of the opening. The non-asbestos pad rests on the support portions of the base seat and the ceramic plank rests on the non-asbestos pad and the cover is secured to the base seat with the stop portion against the ceramic plank. A gas mixing tube has an inner tube secured on an interior side of the base seat and an outer tube secured on an exterior side of the base seat, wherein the inner tube is communicated with the out tube via the connecting opening of the base seat, the inner tube having a tunnel therein which has a smaller size at the end thereof communicating the out tube and a larger size at the other end thereof and the outer tube having a tunnel therein which has a smaller size at the end thereof communicating the inner tube and a larger size at the other end thereof.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a perspective view of a first preferred embodiment of the present invention;
FIG. 2
is an exploded view of the first preferred embodiment of the present invention;
FIG. 3
is a sectional view in part of the first preferred embodiment of the present invention, showing the relationship of a cover, a support portion, a non-asbestos pad and a ceramic plank;
FIG. 4
is a sectional view of the first preferred embodiment of the present invention, showing the relationship of an inner tube, an outer tube and a guiding device;
FIG. 5
is a perspective view of a second preferred embodiment of the present invention, and
FIG. 6
is a sectional view of the second preferred embodiment of the present invention.
DETAIL DESCRIPTION OF THE INVENTION
Please refer to FIGS. from
FIG. 1
to
FIG. 4
, the first preferred embodiment of the present invention provides an infrared rays gas burner
10
, which mainly comprises a main member
12
, a gas mixing tube
14
, a frame
16
, a nozzle
18
and a connector
19
, wherein
The main member
12
has a box
22
, two non-asbestos pads
24
and a plurality of ceramic planks
26
. The box
22
has a base seat
30
, which has a housing portion
32
and an annular flange portion
34
with holes
35
at an opening side of the housing portion
32
. An annular flat portion at the boundary of the housing portion
32
and the flange portion
34
is defined as a support portion
36
. A connecting opening
38
and two lock holes
40
at opposite sides of the connecting opening
38
are provided at a front side of the housing portion
32
. A cover
42
has a cap portion
44
, an opening
45
at a top side of the cap portion
44
, a stop portion
46
around the opening
45
and an annular flange portion
48
at a bottom side of the cap portion
44
with holes
49
thereon corresponding to the holes
35
on the flange portion
34
of the base seat
30
. The cap portion
44
respectively provides plugs
50
at interior sides of lateral sides thereof. The non-asbestos pads
24
are put on the support portion
36
and the ceramic planks
26
are rested on the non-asbestos pads
24
and against by the stop portion
46
. The main member
12
further has two holding pieces
52
, each of which is an L-shaped cross-section bar having a horizontal piece
54
and a vertical piece
56
. The holding pieces
52
is put on the base seat
30
with the horizontal pieces
54
respectively resting between the non-asbestos pads
24
and the ceramic planks
26
and the vertical pieces
56
attached on the interior sidewall of the base seat
30
. The vertical pieces
56
of the holding pieces
52
are provided with gaps
58
to engage the plugs
50
. Each vertical piece
56
further has an inward portion
60
to guild the plugs
50
to slide into the gaps
58
.
The gas mixing tube
14
consists of an inner tube
62
and an outer tube
64
. The inner tube
62
has a taper-shaped tube member
66
and a taper-shaped tunnel
67
therein. A first lock portion
68
is provided on an exterior side of the tube member
66
at the end of the tunnel
67
having smaller size with apertures on opposite sides. A first connection portion
70
is provided at a distal end of the first lock portion
68
having a size smaller than the opening
30
on the housing portion
32
of the base seat
30
.
The outer tube
64
has a taped-shaped case member
72
and a taped-shaped tunnel
74
therein. A second connection portion
76
is provided on an interior side of the case member
72
at the end of the tunnel
74
having a smaller size. A second lock portion
78
is provided on a distal end of the second connection portion
76
with apertures on opposite sides. The inner tube
62
passes the first connection portion
70
through the connecting opening
38
and attaches the first lock portion
68
on the interior sidewall of the housing portion
32
. The outer tube
64
engages the second connection portion
76
with the first connection portion
70
and connects the first and the second lock portions
68
and
78
and the lock holes
40
by screws to secure outer tube
64
and the inner tube
62
on the base seat
30
. Because of the smaller end of the tunnel
74
of the outer tube
64
connects the smaller end of the tunnel
67
of the inner tube
62
, the gas mixing tube
14
will work like a Venturi tube to increase the flow speed of the gas passing through.
The frame
16
is secured at a distal end of the outer tube
64
and the nozzle
18
and the connector
19
are provided on the frame
16
.
The present invention further comprises a guiding device
80
which mainly consists of a side board
81
and a main board
85
to be an L-shaped from a lateral view. The side board
81
has an engaging opening
82
, two apertures
86
at opposite sides of the engaging opening
82
respectively and two openings
84
at distal sides of the apertures
86
respectively. The main board
85
has a plurality of guiding portions
83
thereon and each guiding portion
83
has an outlet
87
facing the outer tube
64
.
The way of the infrared rays gas burner
10
working is like the conventional one, and I am not going to describe the detail again. The characters of the present invention are hereunder:
In assembling, the holding pieces
52
clip the ceramic planks
26
first and squeeze them into the cover
48
, such that the plugs
50
on the cap portion
44
will engage the gaps
58
of the holding pieces
52
to secure the holding pieces
52
and the ceramic planks
26
therein. Next, secure the cover on the top side of the base seat
30
by screws to finish the assembling procedures. It will be easy to understand that the assembling procedures of the infrared rays gas burner
10
of the present invention are very simple and it will not damage the ceramic planks
26
in assembling.
The ceramic planks
26
are detachable mounted in the cover
42
so that it can only replace the damaged ceramic plank(s)
26
rather than replace all of the ceramic planks
26
when any one of them was damaged. Next, the inner tube
62
and the outer tube
64
are fixedly secured on a sidewall of the base seat
30
.
The gas flowed through the outer tube
64
the inner tube
62
will increase the flow speed, and the gas inject out of the inner tube
62
will spread in base seat
30
below the main board
85
and flow through the outlets
87
to the space below the ceramic planks
26
. The orientations of the outlets
87
will help the gas filled in the space equally to make the ceramic planks
26
will be heated equally. The openings on the side board
81
of the guiding device
80
can let the gas flowing back.
Please refer to FIG.
5
and
FIG. 6
, an infrared rays gas burner
90
of the second preferred embodiment of the present invention, which is similar to the infrared rays gas burner
10
of the first preferred embodiment, except that a cover
91
has plank member
92
with an opening
93
. The plank member
92
is bent upwardly at interior sides to be two stop portions
94
. The infrared rays gas burner
90
of the second preferred embodiment provides no holding piece
52
as the first preferred embodiment does so that ceramic planks
95
are attached on the non-asbestos pads
96
directly. At last, secure the cover
91
on a base seat
97
will finish the assembling procedures. The stop portions
94
of the cover
91
will be against the ceramic planks
95
to prevent them from escaping. The infrared rays gas burner
90
of the second preferred embodiment also a guiding device
100
which guiding portions
102
are made from punching. It will make the guiding device
100
can be manufactured easier.
Claims
- 1. An infrared rays gas burner, comprising:a main member having a box including a base seat and a cover, at least a non-asbestos pad and at least a ceramic plank; said base seat having an opening at a top side thereof, support portions at the top side thereof and a connecting opening and lock holes on an end thereof, and said cover includes an opening at a midsection thereof and stop portions at an edge of said opening; said non-asbestos pad resting on said support portions of said base seat and said ceramic plank resting on said non-asbestos pad and said cover secured to said base seat with said stop portion against said ceramic plank, and a gas mixing tube having an inner tube secured on an interior side of said base seat and an outer tube secured on an exterior side of said base seat, wherein said inner tube operatively communicates with said outer tube via said connecting opening of said base seat; said inner tube further includes a tunnel therein having a smaller size at the end thereof and operatively communicates with said outer tube and a larger size at the other end thereof, and said outer tube having a tunnel therein with a smaller size at the end thereof and operatively communicates with said inner tube and a larger size at the other end thereof.
- 2. The infrared rays gas burner as defined in claim 1, wherein said main member further comprises two holding pieces provided at an interior side of said cover resting in between said ceramic plank and non-asbestos pad.
- 3. The infrared rays gas burner as defined in claim 2, wherein each of said holding pieces further includes at least a gap and said cover has at least a plug to engage said gap.
- 4. The infrared rays gas burner as defined in claim 3, wherein said holding piece is provided with an inward portion closing said gap.
- 5. The infrared rays gas burner as defined in claim 4, wherein said holding piece is L-shaped in cross-section having a vertical piece and a horizontal piece, wherein said inward portion and said gap are provided at said vertical piece.
- 6. The infrared rays gas burner as defined in claim 1, wherein said cover includes a bent portion at the edge of said opening of said stop portion.
- 7. The infrared rays gas burner as defined in claim 1, wherein said cover includes an upwardly bent portion at the edge of said opening of said stop portion.
- 8. The infrared rays gas burner as defined in claim 1, wherein said base seat is provided with lock holes and said cover is provided with lock holes corresponding to said lock holes of said base seat respectively.
- 9. The infrared rays gas burner as defined in claim 1, wherein said inner tube has a taper-shaped tube member, a first lock portion provided at an end of said tube member and a first connection portion provided at a distal end of said first lock portion which size is smaller than said connecting hole.
- 10. The infrared rays gas burner as defined in claim 1, wherein said outer tube has a case member with a taper-shaped tunnel therein, a section connection portion provided at said case member at the end of said tunnel having smaller size and a second lock portion provided at a distal end of said second connection portion.
- 11. The infrared rays gas burner as defined in claim 1, further comprising a guiding device provided in said base seat which spreads gas injected from said inner tube in said base seat equally and said inner tube fixing an end thereof to said guiding device.
- 12. The infrared rays gas burner as defined in claim 11, wherein said guiding device has a side board on which said inner tube fixing to and a main board having an end thereof connecting an end of said side board and having outlets thereon.
- 13. The infrared rays gas burner as defined in claim 12, wherein said main board of said guiding device is provided with guiding portion thereon each of which has one of said outlets face each outer tube.
- 14. The infrared rays gas burner as defined in claim 12, wherein said side board of said guiding device is provided with an engaging opening, two apertures at opposite sides of said engaging opening respectively and two openings at distal sides of said apertures respectively.
US Referenced Citations (7)