Fire cover assembly and combustor

By setting an ignition hole on the convex block of the inner fire cover and covering it with a shielding cover, the problem of preventing the inner fire cover from leaking liquid is solved, and better anti-liquid spillage effect and ignition stability are achieved.

CN223331723UActive Publication Date: 2025-09-12VATTI CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422380891.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-09-12
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

In the prior art, the ignition hole of the inner fire cover with two rings of fire has a weak anti-overflow performance, and the overflow during the cooking process can easily penetrate into the ignition hole, which cannot meet user needs.

Method used

An ignition hole is provided on the convex block of the inner fire cover, and a shielding cover is used to shield the convex block to reduce overflowing liquid from flowing into the ignition hole.

Benefits of technology

It effectively prevents overflow during cooking from flowing into the ignition hole, improves anti-overflow performance, and enhances ignition stability and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223331723U_ABST
    Figure CN223331723U_ABST
Patent Text Reader

Abstract

The utility model discloses a burner cap assembly and a burner. The fire cover assembly comprises an inner fire cover structure, the inner fire cover structure comprises an inner fire cover and a shielding cover, the inner fire cover comprises an inner fire cover body, and the inner fire cover body is sequentially provided with a first secondary air through hole, an inner fire hole and a middle fire hole from inside to outside. An inner ring fire gas groove communicating with the inner fire hole and a middle ring fire gas groove communicating with the middle fire hole are formed in the lower side of the inner fire cover body, a protruding block is arranged on the inner wall of the first secondary air through hole, and an ignition hole communicating with the inner ring fire gas groove and the first secondary air through hole is formed in the protruding block. The shielding cover is installed on the inner fire cover body and located above the first secondary air through hole, a secondary air outlet through hole communicated with the first secondary air through hole is formed between the shielding cover and the inner fire cover body, and the side, away from the inner wall of the first secondary air through hole, of the protruding block is located in the orthographic projection of the shielding cover in the vertical direction.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a fire cover assembly and a burner. Background Art

[0002] In the existing technology, some fire covers have inner fire holes with two rings of fire, and the inner fire holes are set as straight-spray fire holes opened in the vertical direction to make the fire distribution of the burner more uniform. However, the anti-overflow performance of the ignition hole is weak. Even if a shielding brim is set above the ignition hole, the overflow during the cooking process may seep into the ignition hole, and the anti-overflow effect cannot meet user needs.

[0003] Therefore, a fire cover assembly is urgently needed to solve the above problems. Utility Model Content

[0004] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a fire cover assembly, which provides an ignition hole by setting a protrusion, and uses a shielding cover to shield the protrusion, thereby avoiding the problem of overflow into the ignition hole during cooking.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A fire cover assembly includes an inner fire cover structure, wherein the inner fire cover structure includes an inner fire cover and a shielding cover, the inner fire cover includes an inner fire cover body, and the inner fire cover body is provided with a first secondary air through hole, an inner fire hole and a middle fire hole in sequence from the inside to the outside, and the lower side of the inner fire cover body is provided with an inner ring fire gas groove connected to the inner fire hole and a middle ring fire gas groove connected to the middle fire hole, a protrusion is provided on the inner wall of the first secondary air through hole, an ignition hole connecting the inner ring fire gas groove and the first secondary air through hole is provided on the protrusion, the shielding cover is installed on the inner fire cover body and is located above the first secondary air through hole, a secondary air outlet through hole connected to the first secondary air through hole is formed between the shielding cover and the inner fire cover body, and the side of the protrusion away from the inner wall of the first secondary air through hole is located within the vertical projection of the shielding cover.

[0007] Optionally, the upper side surface of the protrusion is tilted downward from the inside to the outside to form a first liquid guiding groove.

[0008] Optionally, a second liquid conducting groove extending in a vertical direction is further provided on the inner wall of the first secondary air through hole, and the second liquid conducting groove is located on a side of the protrusion and is connected to the first liquid conducting groove.

[0009] Optionally, two second liquid guiding grooves are provided, and the two second liquid guiding grooves are spaced apart and arranged on both sides of the protrusion along the circumference of the first secondary air through hole.

[0010] Optionally, a fire transfer hole is further included, which is opened on the inner fire cover body and is located between the protrusion and the inner fire hole.

[0011] Optionally, the shielding cover and the inner fire cover are separately provided, and the ignition hole is arranged to be tilted downward from the inside to the outside.

[0012] Optionally, it further includes a fire transfer groove opened on the upper side of the inner fire cover body, and the fire transfer groove extends from the inner fire hole to the middle fire hole.

[0013] Optionally, it further includes a liquid blocking portion arranged on the inner fire cover body, wherein the liquid blocking portion protrudes from the upper side of the inner fire cover body and is located between the protrusion and the fire transfer groove.

[0014] Optionally, it also includes an outer fire cover structure arranged on the outside of the inner fire cover, and the inner fire cover and the outer fire cover structure are spaced apart to form a second secondary air through hole. The outer fire cover structure includes an outer fire cover body, and an outer fire hole is provided on the outer fire cover body. The lower side of the outer fire cover body is provided with an outer ring fire gas groove connected to the outer fire hole.

[0015] On the other hand, the present invention provides a burner, comprising a burner head, an ignition needle and the above-mentioned fire cover assembly, wherein the burner head comprises a burner head body and a fire divider installed on the upper side of the burner head body, the fire cover assembly is covered on the upper side of the fire divider, and the fire divider is provided with a third secondary air through hole, an inner ring fire air hole, a middle ring fire air hole, a fourth secondary air through hole and an outer ring fire air hole in sequence from the inside to the outside, the third secondary air through hole is connected to the first secondary air through hole, the inner ring fire air hole is connected to the inner ring fire gas groove to form an inner ring fire gas cavity The middle ring fire air hole is connected to the middle ring fire air groove to form a middle ring fire air cavity. The ignition divider is also provided with a fifth secondary air hole and a sixth secondary air hole extending in the radial direction. The fifth secondary air hole is connected to the third secondary air hole and the fourth secondary air hole. The sixth secondary air hole is connected to the fourth secondary air hole and the outside of the burner. The ignition needle is installed on the burner head and extends from the third secondary air hole to the first secondary air hole. The ignition needle is located on the inner side of the ignition hole.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] The fire cover assembly provided by the utility model has an ignition hole formed on the bulge by arranging the bulge, and a shielding cover is used to shield the bulge, thereby preventing the problem of overflowing liquid flowing into the ignition hole during the cooking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a burner provided in a specific embodiment of the utility model;

[0019] Figure 2 yes Figure 1 A top view of

[0020] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the inner fire cover structure provided by a specific embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the inner fire cover of the inner fire cover structure provided by a specific embodiment of the utility model;

[0023] Figure 6 yes Figure 5 A top view of

[0024] Figure 7 yes Figure 6 Cross-sectional view at HH in the middle.

[0025] In the picture:

[0026] 1. Inner fire cover; 10. First and second air holes; 11. Inner fire cover body; 111. First area; 112. Second area; 12. Middle fire hole; 13. Inner fire hole; 14. Liquid blocking portion; 15. Bump; 151. First liquid guide groove; 152. Ignition hole; 16. Fire transfer groove; 17. Fire transfer hole; 18. Second liquid guide groove; 19. Connecting portion;

[0027] 2. Shielding cover; 21. Shielding cover body; 22. Connecting column;

[0028] 3. Ignition needle;

[0029] 4. Stove head; 41. Stove head body; 42. Flame distributor;

[0030] 5. External fire cover body; 51. External fire hole;

[0031] 101, first secondary air hole; 102, secondary air outlet hole; 103, third secondary air hole; 104, fifth secondary air hole; 105, sixth secondary air hole; 106, second secondary air hole; 107, fourth secondary air hole;

[0032] 200, inner ring fire gas cavity; 201, inner ring fire gas groove; 202, inner ring fire gas hole;

[0033] 300, middle ring fire gas cavity; 301, middle ring fire gas groove; 302, middle ring fire gas hole;

[0034] 400, outer ring air cavity; 401, outer ring fire gas groove; 402, outer ring fire gas hole. DETAILED DESCRIPTION

[0035] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific embodiments of the present invention or equivalent replacements of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed in the present invention.

[0036] Please refer to Figure 1-Figure 7 The utility model provides a fire cover assembly, including an inner fire cover structure, the inner fire cover structure includes an inner fire cover 1 and a shielding cover 2, the inner fire cover 1 includes an inner fire cover body 11, the inner fire cover body 11 is sequentially provided with a first and second air through hole 101, an inner fire hole 13 and a middle fire hole 12 from the inside to the outside, the lower side of the inner fire cover body 11 is provided with an inner ring fire gas groove 201 connected to the inner fire hole 13 and a middle ring fire gas groove 301 connected to the middle fire hole 12, and the inner wall of the first and second air through hole 101 is provided with a There is a protrusion 15, on which an ignition hole 152 is opened, which connects the inner ring fire and gas groove 201 with the first and secondary air holes 101. The shielding cover 2 is installed on the inner fire cover body 11 and is located above the first and secondary air holes 101. A secondary air outlet hole 102 connected to the first and secondary air holes 101 is formed between the shielding cover 2 and the inner fire cover body 11. The side of the protrusion 15 away from the inner wall of the first and secondary air holes 101 is located within the vertical projection of the shielding cover 2.

[0037] The fire cover assembly provided by the present invention has an ignition hole 152 formed on the bulge 15 by providing a protrusion 15, and a shielding cover 2 is used to shield the bulge 15, thereby reducing the problem of overflowing liquid flowing into the ignition hole 152 during the cooking process.

[0038] Optionally, the upper side surface of the protrusion 15 is tilted downward from the inside to the outside to form a first liquid guide groove 151 , so that the overflow liquid can fall into the first liquid guide groove 151 , further reducing the overflow liquid from flowing into the ignition hole 152 .

[0039] Optionally, the shielding cover 2 includes a shielding cover body 21 and a connecting column 22 arranged on the lower side of the shielding cover body 21. A connecting portion 19 is provided on the inner wall of the first and secondary air holes 101. A plug-in hole is opened on the connecting portion 19, and the connecting column 22 is inserted into the plug-in hole, thereby realizing the detachable installation of the shielding cover 2 on the inner fire cover body 11.

[0040] Optionally, a second liquid guide groove 18 extending in the vertical direction is further formed on the inner wall of the first secondary air through hole 101. The second liquid guide groove 18 is located on the side of the protrusion 15 and is connected to the first liquid guide groove 151, so that overflow liquid in the first liquid guide groove 151 can flow along the second liquid guide groove 18 to the bottom of the inner fire cover body 11, thereby preventing excessive accumulation of overflow liquid in the first liquid guide groove 151 and overflowing into the ignition hole 152.

[0041] Optionally, two second liquid guiding grooves 18 are provided, and the two second liquid guiding grooves 18 are spaced apart and arranged on both sides of the protrusion 15 along the circumference of the first secondary air through hole 101 to further ensure that the overflow liquid in the first liquid guiding groove 151 can flow out smoothly and quickly into the second liquid guiding groove 18.

[0042] Optionally, a fire transfer hole 17 is further included. The fire transfer hole 17 is opened on the inner fire cover body 11 and is located between the protrusion 15 and the inner fire hole 13. After the ignition hole 152 is ignited, the flame is transferred along the fire transfer hole 17 to the inner fire hole 13, thereby realizing fire transfer to the inner fire hole 13.

[0043] Optionally, the shielding cover 2 and the inner fire cover 1 are separately provided so that the ignition hole 152 can be opened from the inside to the outside and tilted downward (when the shielding cover 2 is integrally formed on the upper side of the inner fire cover 1, based on existing production means, the ignition hole 152 can only be set from the inside to the outside and tilted upward), so that the flame in the ignition hole 152 can extend upward, and then ignite the fire transfer hole 17, which is beneficial to improve the ignition efficiency and ignition stability.

[0044] Optionally, a fire transfer groove 16 is provided on the upper side of the inner fire cover body 11 , and the fire transfer groove 16 extends from the inner fire hole 13 to the middle fire hole 12 , thereby achieving fire transfer to the outer fire hole 51 .

[0045] Optionally, it also includes a liquid blocking portion 14 arranged on the inner fire cover body 11. The liquid blocking portion 14 protrudes from the upper side of the inner fire cover body 11 and is located between the protrusion 15 and the fire transfer groove 16, thereby preventing the overflow liquid dripping on the upper side of the inner fire cover body 11 from flowing into the ignition hole 152 through the fire transfer groove 16, further ensuring the ignition stability of the ignition hole 152.

[0046] Optionally, the upper side of the inner fire cover body 11 includes a first area 111 and a second area 112 disposed outside the first area 111. The inner fire hole 13 is provided in the first area 111, and the outer fire hole 51 is provided outside the second area 112. The first area 111 is inclined upward from the inside to the outside, and the second area 112 is inclined downward from the inside to the outside.

[0047] Optionally, it also includes an outer fire cover structure arranged on the outside of the inner fire cover 1. The inner fire cover 1 and the outer fire cover structure are spaced apart to form a second secondary air through-hole 106. The outer fire cover structure includes an outer fire cover body 5. An outer fire hole 51 is provided on the outer fire cover body 5. An outer ring fire gas groove 401 connected to the outer fire hole 51 is provided on the lower side of the outer fire cover body 5.

[0048] On the other hand, the present invention provides a burner, including a burner head 4, an ignition needle 3 and the above-mentioned fire cover assembly, the burner head 4 including a burner head body 41 and an ignition divider 42 installed on the upper side of the burner head body 41, the fire cover assembly cover is arranged on the upper side of the ignition divider 42, the ignition divider 42 is provided with a third secondary air through hole 103, an inner ring fire gas hole 202, a middle ring fire gas hole 302, a fourth secondary air through hole 107 and an outer ring fire gas hole 402 from the inside to the outside, the third secondary air through hole 103 is connected with the first secondary air through hole 101, the inner ring fire gas hole 202 is connected with the inner ring fire gas groove 201 to form an inner ring fire gas cavity 200, the middle ring fire gas hole 302 is connected with the middle ring fire gas groove 301 to form a middle ring fire gas cavity 300, and the outer ring fire gas hole 402 is connected with the outer ring fire gas groove 401 to form an outer ring fire gas cavity. The ignition divider 42 is also provided with a fifth secondary air hole 104 and a sixth secondary air hole 105 extending radially. The fifth secondary air hole 104 connects the third secondary air hole 103 and the fourth secondary air hole 107. The sixth secondary air hole 105 connects the fourth secondary air hole 107 with the outside of the burner. The ignition needle 3 is installed on the burner head 4 and extends from the third secondary air hole 103 to the first secondary air hole 101. The ignition needle 3 is located on the inner side of the ignition hole 152 to facilitate ignition of the ignition hole 152. At the same time, the ignition needle 3 can also be located below the shielding cover 2, and the shielding cover 2 can also shield the ignition needle 3 to prevent overflow from dripping onto the ignition needle 3.

[0049] Specifically, secondary air enters through sixth secondary air hole 105. A portion of it flows along fourth secondary air hole 107 to second secondary air hole 106, providing secondary air for the middle ring fire. Another portion of it flows sequentially along fifth secondary air hole 104, third secondary air hole 103, first secondary air hole 101, and secondary air outlet hole 102, providing secondary air for the inner ring fire. Liquid overflow during cooking can flow sequentially along first region 111, first secondary air hole 101, and third secondary air hole 103. Another portion of it can flow sequentially along first liquid guide groove 151 and second liquid guide groove 18 to third secondary air hole 103. Liquid overflowing from third secondary air hole 103 can then flow out of the burner along fifth secondary air hole 104, fourth secondary air hole 107, and sixth secondary air hole 105.

[0050] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A fire cover assembly, characterized in that: The invention comprises an inner fire cover structure, wherein the inner fire cover structure comprises an inner fire cover (1) and a shielding cover (2), wherein the inner fire cover (1) comprises an inner fire cover body (11), wherein the inner fire cover body (11) is provided with a first and second air through hole (101), an inner fire hole (13) and a middle fire hole (12) in sequence from the inside to the outside, wherein the lower side of the inner fire cover body (11) is provided with an inner ring fire gas groove (201) communicating with the inner fire hole (13) and a middle ring fire gas groove (301) communicating with the middle fire hole (12), wherein a protrusion (15) is provided on the inner wall of the first and second air through hole (101), wherein the protrusion ( 15) is provided with an ignition hole (152) connecting the inner ring fire gas groove (201) and the first secondary air through hole (101); the shielding cover (2) is installed on the inner fire cover body (11) and is located above the first secondary air through hole (101); a secondary air outlet through hole (102) connected to the first secondary air through hole (101) is formed between the shielding cover (2) and the inner fire cover body (11); the side of the protrusion (15) away from the inner wall of the first secondary air through hole (101) is located within the vertical projection of the shielding cover (2).

2. The fire cover assembly according to claim 1, characterized in that The upper side surface of the protrusion (15) is tilted downward from the inside to the outside to form a first liquid guide groove (151).

3. The fire cover assembly according to claim 2, characterized in that: A second liquid guide groove (18) extending in the vertical direction is also provided on the inner wall of the first secondary air through hole (101); the second liquid guide groove (18) is located on the side of the protrusion (15) and is in communication with the first liquid guide groove (151).

4. The fire cover assembly according to claim 3, characterized in that Two second liquid guiding grooves (18) are provided, and the two second liquid guiding grooves (18) are spaced apart and arranged on both sides of the protrusion (15) along the circumference of the first secondary air through hole (101).

5. The fire cover assembly according to claim 1, characterized in that It also includes a fire transfer hole (17), which is opened on the inner fire cover body (11) and is located between the protrusion (15) and the inner fire hole (13).

6. The fire cover assembly according to claim 1, characterized in that The shielding cover (2) and the inner fire cover (1) are arranged separately, and the ignition hole (152) is arranged to be tilted downward from the inside to the outside.

7. The fire cover assembly according to claim 1, characterized in that It also includes a fire transfer groove (16) provided on the upper side of the inner fire cover body (11), wherein the fire transfer groove (16) extends from the inner fire hole (13) to the middle fire hole (12).

8. The fire cover assembly according to claim 7, characterized in that It also includes a liquid blocking portion (14) arranged on the inner fire cover body (11), wherein the liquid blocking portion (14) protrudes from the upper side of the inner fire cover body (11) and is located between the protrusion (15) and the fire transfer groove (16).

9. The fire cover assembly according to any one of claims 1 to 8, characterized in that: The invention also includes an outer fire cover structure arranged on the outer side of the inner fire cover (1), wherein the inner fire cover (1) and the outer fire cover structure are spaced apart to form a second secondary air through hole (106), and the outer fire cover structure includes an outer fire cover body (5), an outer fire hole (51) is provided on the outer fire cover body (5), and an outer ring fire gas groove (401) connected to the outer fire hole (51) is provided on the lower side of the outer fire cover body (5).

10. A burner, characterized in that: The invention comprises a burner (4), an ignition needle (3) and a fire cover assembly according to any one of claims 1 to 9, wherein the burner (4) comprises a burner body (41) and a ignition divider (42) installed on the upper side of the burner body (41), the fire cover assembly is covered on the upper side of the ignition divider (42), the ignition divider (42) is provided with a third secondary air hole (103), an inner ring fire air hole (202), a middle ring fire air hole (302), a fourth secondary air hole (107) and an outer ring fire air hole (402) in sequence from the inside to the outside, the third secondary air hole (103) is connected to the first secondary air hole (101), the inner ring fire air hole (202) is connected to the inner ring fire air groove (201) to form an inner ring fire air cavity (200), and the The middle ring fire air hole (302) is connected to the middle ring fire air groove (301) to form a middle ring fire air cavity (300), and the ignition distributor (42) is also provided with a fifth secondary air hole (104) and a sixth secondary air hole (105) extending radially, the fifth secondary air hole (104) is connected to the third secondary air hole (103) and the fourth secondary air hole (107), and the sixth secondary air hole (105) is connected to the fourth secondary air hole (107) and the outside of the burner, the ignition needle (3) is installed on the burner head (4) and extends from the third secondary air hole (103) to the first secondary air hole (101), and the ignition needle (3) is located on the inner side of the ignition hole (152).