TWM482707U - Lobe-shaped fire cover of gas burner - Google Patents

Description

Gas burner of a gas burner

The present invention relates to a gas furnace, and more particularly to a valve shaped fire cover of a gas burner.

The burners of the existing gas burners are mostly in the shape of a ring, such as the TW certificate No. M356871 patent, the M329742 patent case... although the burner of this gas furnace has been widely used, for example, the certificate number M356871 As shown in FIG. 2 of the patent, the rack for mounting on the gas furnace shell and supporting one of the cookware has a plurality of support members, and the positions of the support members are extended to the positive of the fire cover of the burner. Above, that is, when the gas burner is ignited, the flame emerging from the burner cover, in addition to heating the bottom of the pot, also heats the support of the hob. As a result, a part of the heat generated by the gas burner will cause heat loss and affect the combustion efficiency because it is also heated.

Moreover, the support of the hob is heated by high temperature for a long time, and usually the paint coated on the surface thereof will fall off, and rust will be generated, which will affect the appearance.

In addition, the top surface of the general burner cover is flat. When the food is cooked and the soup overflows from the pot, it often stagnate on the top surface of the burner cover, and these overflow soups are finally Will be cooked to dryness, And left the stain on the top surface of the burner cover.

Accordingly, it is an object of the present invention to provide a bellows burner for a gas burner that reduces heat loss and enhances combustion efficiency.

Thus, the bell-shaped fire cover of the novel gas burner has a hollow disk shape and has an inner annular surface surrounding an axis and defining an inner hole, and an outer annular surface surrounding the axis and opposite to the inner annular surface And a fire hole group extending inwardly from the outer ring surface, the outer ring surface is wavy, and has a plurality of convex protruding petals and a plurality of respectively disposed between each of the convex portions And compared to the recessed portions of the protruding petals that are recessed toward the axis.

The utility model has the advantages of providing a concave portion between the convex lobes and the two convex lobes, and when the lobular fire cover is used with a pylon having a plurality of supporting members, the supporting The position of the piece corresponding to the recesses can achieve the purpose of reducing heat loss and improving combustion efficiency.

10‧‧‧petal fire cover

L‧‧‧ axis

11‧‧‧ 内孔

12‧‧‧ Inner torus

13‧‧‧ outer annulus

131‧‧‧ protruding petal

132‧‧‧Depression

133‧‧‧Connected parts

134‧‧‧ end parts

135‧‧‧Extension

14‧‧‧ top surface

15‧‧‧Fire hole group

151‧‧‧Small fire hole

152‧‧‧Great fire hole

20‧‧‧Hole

21‧‧‧ positioning ring

22‧‧‧Support

10'‧‧‧ flap fire cover

131'‧‧‧ protruding petal

132’‧‧‧Depression

20’‧‧‧Hole

21’‧‧‧ positioning ring

22’‧‧‧Support

10"‧‧‧ flap fire cover

131"‧‧‧ protruding petal

132"‧‧‧Depression

20"‧‧‧Hole

21”‧‧‧ positioning ring

22"‧‧‧Support

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view illustrating a preferred embodiment of the bellows of the novel gas burner; FIG. 1 is a cross-sectional view of a line II-II of FIG. 1; FIG. 3 is a perspective view of a preferred embodiment of the present invention; FIG. 4 is a top plan view of the preferred embodiment of the present invention; a cross-sectional view of line VV in Figure 4; 6 is a top plan view of a second preferred embodiment of the present invention; and FIG. 7 is a top plan view of a third preferred embodiment of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1, FIG. 2 and FIG. 4, in a first preferred embodiment of the bellows 10 of the gas burner of the present invention, the bellows 10 is coupled to a hob 20 having a positioning ring member 21 and A plurality of supports 22 are attached to the positioning ring member 21.

Referring to FIG. 3, the flap-shaped fire cover 10 has a hollow disc shape and has an inner annular surface 12 surrounding an axis L and defining an inner bore 11, a surrounding of the axis L and opposite to the inner annular surface 12. The outer ring surface 13 is a disk top surface 14 that is coupled between the top of the inner ring surface 12 and the top of the outer ring surface 13 and a fire hole group 15 extending inwardly from the outer ring surface 13.

The outer annular surface 13 is wavy, and has a plurality of convex protruding lobes 131 and a plurality of protruding lobes 131 respectively disposed between each of the two protruding lobes 131 and opposite to the convex lobes 131 The recessed portion 132 in which the axis L is recessed.

The number of the convex lobes 131 of the flap-shaped fire cover 10 of the present embodiment is four, and the number of the recessed portions 132 is also four, and each of the convex lobes 131 has two adjacent hulls corresponding to each other. The engaging portion 133 of the portion 132, the end portion 134 and the second portion which are between the engaging portions 133 and which are convexly curved, are gradually extended from the connecting portion 133 toward the end portion 134 away from the axis L, respectively. An arcuate extension 135. The positions of the recesses 132 corresponding to the axis L are lower than the end portions 134 Corresponds to the position of the axis L.

The fire hole group 15 has a plurality of small fire holes 151 respectively disposed in the concave portions 132 and the end portions 134, and a plurality of large fires respectively disposed between the end portions 134 and the corresponding engaging portions 133. The holes 152, and each of the small fire holes 151 corresponds to the cross-sectional area of the outer ring surface 13, and is smaller than the cross-sectional area of each of the large fire holes 152 corresponding to the outer ring surface 13.

The top surface 14 of the disk has a slope shape with an inner low outer height, and when the top of the inner annular surface 12 extends toward the top of the outer annular surface 13, the upper portion faces downward and the outer portion gradually faces away from the outer side of the axis L. Tilt extension.

As shown in FIG. 4 and FIG. 5, when the flap-shaped fire cover 10 is used with the hob 20, the number of the support members 22 corresponds to the number of the recessed portions 132 of the flap-shaped fire cover 10, and the support The set position of the piece 22 corresponds to the recessed portions 132.

As shown in FIG. 4 and FIG. 5, the position of the support members 22 is corresponding to the action of the recesses 132. When the gas is turned on and the flame is ejected from the fire hole group 15, the convex petals are corresponding to the convex petals. The flame of the portion 131 can concentrate on heating the pot (not shown), thereby achieving the purpose of reducing heat loss and improving combustion efficiency.

Furthermore, the position of the recessed portion 132 corresponding to the axis L is lower than the position of the end portion 134 corresponding to the axis L, and is disposed on the recessed portion 132 and corresponds to the outer annular surface 13 The cross-sectional area of the fire hole 151 is smaller than the cross-sectional area of the large fire hole 152 disposed between the end portion 134 and the corresponding engaging portion 133 and corresponding to the outer ring surface 13 when the gas is opened and the fire hole group is opened. 15 when the flame is sprayed, corresponding The flames of the convex lobes 131 can focus on heating the pots (not shown), and the flames corresponding to the recesses 132 have a small height and a low position, and the support of the pylon 20 The heat generated by the member 22 is small, and the support member 22 of the hob 20 can be prevented from being heated by high temperature for a long time, so as to prevent the paint coated on the surface of the support member 22 from falling off easily, and the rust is less generated to ensure the complete appearance. Sex.

The small fire holes 151 of the fire hole group 15 are respectively disposed on the concave portions 132 and the end portions 134, and the large fire holes 152 are respectively disposed at the end portions 134 and the corresponding joint portions. Between 133, and the small fire holes 151 correspond to the cross-sectional area of the outer annular surface 13, which is smaller than the cross-sectional area of the large fire holes 152. When the flame is ignited, a wavy band shape is formed on the fire cover. The flames, by means of the small fire holes 151 provided in the recesses 132, cause the flame to concentrate inward toward the axis L. Further, the large fire holes 151 are arranged along the arc-shaped extending portions 135, so that each of the large fire holes 152 of the extending portions 135 can generate different distances with respect to the axis L, thus The fire cover can uniformly heat the various parts of the bottom of the pot to improve the heat efficiency.

In addition, the top surface 14 of the disk is inclined in the shape of an inner low outer height, and when the top of the inner annular surface 12 extends toward the top of the outer annular surface 13, the bottom surface faces upwards and gradually faces away from the axis. The external oblique extension of L causes the soup to not stagnate on the top surface 14 of the tray even when the food is poured from the pot, and can be quickly guided downwards. Avoiding stains that are difficult to clean on the top surface 14 of the petal cover 10 is avoided.

Therefore, the flap-shaped fire cover 10 of the above-mentioned embodiment of the present invention has the effects of reducing heat loss, improving combustion efficiency, avoiding high temperature damage to the support member 22 of the hob 20, and easy cleaning, and can indeed solve the existing fire cover of the burner. The problem can better achieve the purpose of this new type.

As shown in FIG. 6, the second preferred embodiment of the bellows 10' of the novel gas burner is substantially the same as the first preferred embodiment except that the convexity of the petal cover 10' is the same. The number of the flap portions 131' is five, and the number of the recessed portions 132' is also five. When the flap-shaped fire cover 10' is fitted with a hob 20', the hob 20' has a positioning ring member 21' And five support members 22' connected to the positioning ring member 21', and the positions of the support members 22' correspond to the recessed portions 132'. The second preferred embodiment achieves the same objects and effects as the first preferred embodiment.

As shown in FIG. 7, the third preferred embodiment of the bellows 10' of the novel gas burner is substantially the same as the first preferred embodiment except that the convexity of the petal cover 10" The number of the flap portions 132" is six, and the number of the recessed portions 132" is also six. When the flap-shaped fire cover 10" is fitted with a hob 20", the hob 20" has a positioning ring member 21" And six support members 22" connected to the positioning ring member 21", and the positions of the support members 22" correspond to the recessed portions 132". The third preferred embodiment can also achieve the first and preferred The same purpose and efficacy of the examples.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

10‧‧‧petal fire cover

11‧‧‧ 内孔

12‧‧‧ Inner torus

13‧‧‧ outer annulus

131‧‧‧ protruding petal

132‧‧‧Depression

133‧‧‧Connected parts

134‧‧‧ end parts

135‧‧‧Extension

14‧‧‧ top surface

15‧‧‧Fire hole group

151‧‧‧Small fire hole

152‧‧‧Great fire hole

Claims (8)

A flap-shaped fire cover of a gas burner has a hollow disc shape and has an inner annular surface surrounding an axis and defining an inner hole, an outer annular surface surrounding the inner surface and opposite to the inner annular surface, and a The outer ring surface extends inwardly toward the fire hole group, the outer ring surface is wave-shaped, and has a plurality of convex convex petals and a plurality of respectively arranged between each two convex petals A recess recessed in the convex lobes toward the axis. The flap-shaped fire cover of the gas burner according to claim 1, further comprising a top surface of the disc which is connected between the top of the inner annular surface and the top of the outer annular surface, wherein the top surface of the disc has a sloped shape with an inner low outer height And extending from the top of the inner annulus toward the top of the outer annulus, from the bottom to the top and from the inside to the outside gradually toward the outside away from the axis. The petal-shaped fire cover of the gas burner according to claim 2, wherein each of the protruding petals has two adjacent portions of the corresponding recessed portions, and one between the engaging portions and is convexly curved. The end portions and the second end portions of the shape are gradually extended toward the end portion away from the axis and have an outwardly convex arc-shaped extending portion, and the positions of the concave portions corresponding to the axis are lower than the end portions. The position of the axis. The petal burner of the gas burner of claim 3, wherein the fire hole group has a plurality of small fire holes respectively disposed at the concave portions and the end portions, and a plurality of fire holes are respectively disposed at the end portions A large fire exit hole between the corresponding joint portion and each small fire exit hole corresponds to a cross-sectional area of the outer annular surface, and is smaller than a cross-sectional area of each of the large fire exit holes corresponding to the outer annular surface. A bell-shaped fire cover for a gas burner according to claim 4, wherein the number of the convex lobes is four, and the number of the recesses is also four. A bell-shaped fire cover for a gas burner according to claim 4, wherein the number of the convex lobes is five, and the number of the concave portions is also five. A bell-shaped fire cover for a gas burner according to claim 4, wherein the number of the projecting lobes is six, and the number of the recesses is also six. The flap-shaped fire cover of the gas burner according to any one of claims 1 to 7, which is equipped with a hob having a positioning ring member and a plurality of supporting members connected to the positioning ring member. The number of supports corresponds to the number of the recesses of the flap-shaped fire cover, the positions of the supports being corresponding to the recesses.