Fire cover and combustor
Through the one-piece molding design of the fire cover, the inner fire hole and the outer fire hole are integrated on the same fire cover, and fire transfer holes and fire transfer grooves are set, which solves the problems of low assembly efficiency and unstable flame transfer in the existing technology, and realizes fast and stable flame transfer and improved production efficiency.
Patent Information
- Application Number
- CN202422227633.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing burner fire cover is set separately, resulting in low assembly efficiency and high production cost. The inner fire hole and the outer fire hole are far apart, and the flame transmission is unstable and slow.
The fire cover is integrally formed, the inner fire hole and the outer fire hole are integrated on the same fire cover, and a fire transfer hole and a fire transfer groove are provided. The fire transfer hole is close to the inner fire hole, and the fire transfer groove is connected to the outer fire hole, thereby enhancing the stability and efficiency of fire transfer.
The production and assembly efficiency is improved, the strength of the fire cover is enhanced, and rapid and stable flame transfer between the inner fire hole and the outer fire hole is achieved.
Smart Images
Figure CN223331721U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of kitchen appliances, in particular to a fire cover and a burner. Background Art
[0002] The existing burner fire cover is generally divided into an inner fire cover and an outer fire cover, and its structure is relatively complicated. During assembly, the inner fire cover and the outer fire cover need to be installed on the fire distributor in sequence, which has low assembly efficiency and needs to be produced separately, which is not conducive to improving production efficiency and reducing production costs. In addition, since the inner fire cover and the outer fire cover are separately arranged, the distance between the inner fire hole and the outer fire hole is relatively far, and it is difficult for the flame to be transmitted between the inner fire hole and the outer fire hole stably and quickly.
[0003] Therefore, a fire cover is 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 provides a fire cover having the advantages of good integrity, good fire transmission effect and good strength.
[0005] The above purpose is achieved through the following technical solutions:
[0006] A fire cover is provided, which is integrally formed and includes a fire cover body. An outer fire hole, an inner fire hole, a fire transfer groove and a fire transfer hole are provided on the fire cover body. The outer fire hole is located on the outside of the inner fire hole. The fire transfer hole is opened in a vertical direction. There are multiple fire transfer holes. The multiple fire transfer holes are arranged between the inner fire hole and the outer fire hole along the radial direction of the fire cover body. The fire transfer groove is arranged on the upper side of the outer fire hole along the radial direction of the fire cover body. Some of the fire transfer holes are opened in the fire transfer groove and connected with the outer fire hole.
[0007] Optionally, a first raised portion protruding upward is provided in the middle of the fire cover body, a first secondary air channel is opened in the middle of the first raised portion, a pillar is provided on the upper side of the first raised portion, a shielding cover is provided on the upper side of the pillar, the first secondary air channel is located within the vertical projection of the shielding cover, a secondary air outlet channel connected to the first secondary air channel is formed between the shielding cover, the pillar and the first raised portion, and the inner fire hole is opened on the peripheral side of the first raised portion.
[0008] Optionally, the upper side surface of the first protrusion is tilted downward from the middle to the outer side; and / or the upper side surface of the shielding cover is tilted downward from the middle to the outer side.
[0009] Optionally, a second raised portion raised upward is provided on the peripheral side of the fire cover body, the external fire hole is opened on the outer side of the second raised portion, and a liquid storage groove is formed between the first raised portion and the second raised portion.
[0010] Optionally, an overflow channel extending radially along the fire cover body is provided on the second raised portion, and the liquid storage tank is connected to the outer peripheral side of the fire cover through the overflow channel.
[0011] Optionally, an auxiliary fire hole is provided on the side wall of the overflow channel.
[0012] Optionally, the inner side surface of the second protrusion is inclined upward from the inside to the outside to form an avoidance slope.
[0013] Optionally, a third protruding portion protruding upward is further provided on the upper side of the fire cover body, and at least part of the fire transfer holes are opened on the third protruding portion.
[0014] Optionally, an ignition needle mounting hole is further provided on the fire cover body, and the ignition needle mounting hole is located outside the inner fire hole.
[0015] On the other hand, the utility model provides a burner, including an ignition needle, an ignition divider and the above-mentioned fire cover, wherein the ignition divider is provided with a second secondary air channel, the fire cover is arranged on the ignition divider and combined with the ignition divider to form an inner ring fire gas chamber and an outer ring fire gas chamber, the outer ring fire gas chamber is connected to the inner fire hole, and the outer ring fire gas chamber is connected to the outer fire hole, and the ignition needle is installed in the ignition needle installation hole opened on the fire cover body.
[0016] Optionally, the ignition needle includes an ignition needle support and an ignition needle body installed on the ignition needle support, the ignition needle support is installed in the ignition needle mounting hole, the ignition needle support and the ignition needle mounting hole are sealed, the upper side surface of the ignition needle support is level with or higher than the upper side surface of the side wall of the ignition needle mounting hole, and the upper part of the ignition needle body protrudes from the upper side surface of the ignition needle support.
[0017] Compared with the prior art, the present invention has at least the following beneficial effects:
[0018] The fire cover provided by the utility model is formed into an integral part, and the inner fire hole and the outer fire hole are integrated into the same fire cover. This not only facilitates production and assembly, but also enhances the strength of the fire cover. At the same time, by providing the fire cover with fire transfer holes extending from the inner fire hole to the outer fire hole, since the fire transfer holes are closer to the inner fire hole, rapid and stable fire transfer between the inner and outer fire holes can be achieved. Providing a fire transfer groove near the outer fire hole can further accelerate the fire transfer efficiency. Providing some of the fire transfer holes in the fire transfer groove and connecting these parts of the fire transfer holes to the outer fire hole ensures the fire transfer effect and stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the fire cover provided by a specific embodiment of the utility model;
[0020] Figure 2 yes Figure 1 A top view of
[0021] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle;
[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of a burner provided in a specific embodiment of the utility model;
[0023] Figure 5 yes Figure 4 A top view of
[0024] Figure 6 yes Figure 5 Cross-sectional view at the middle BB;
[0025] In the picture:
[0026] 1. Fire cover; 10. Fire cover body; 11. Second raised portion; 111. External fire hole; 112. Avoidance slope; 113. Overflow channel; 114. Auxiliary fire hole; 12. First raised portion; 121. Internal fire hole; 13. Fire transfer hole; 131. Third raised portion; 14. Fire transfer groove; 15. Support; 16. Ignition pin mounting hole; 17. Shielding cover;
[0027] 2. Ignition needle; 21. Ignition needle support; 22. Ignition needle body;
[0028] 3. Fire distributor;
[0029] 101. Liquid storage tank; 102. Second secondary air channel; 103. First secondary air channel; 104. Secondary air outlet channel; 105. Inner ring fire combustion chamber; 106. Outer ring fire combustion chamber. DETAILED DESCRIPTION
[0030] 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.
[0031] Please refer to Figures 1-6 The utility model provides a fire cover, which is an integrally formed fire cover 1. The fire cover 1 includes a fire cover body 10. The fire cover body 10 is provided with an outer fire hole 111, an inner fire hole 121, a fire transfer groove 14 and a fire transfer hole 13. The outer fire hole 111 is located on the outside of the inner fire hole 121. The fire transfer hole 13 is opened in a vertical direction. There are multiple fire transfer holes 13. The multiple fire transfer holes 13 are arranged between the inner fire hole 121 and the outer fire hole 111 along the radial direction of the fire cover body 10. The fire transfer groove 14 is arranged on the upper side of the outer fire hole 111 along the radial direction of the fire cover body 10. Some of the fire transfer holes 13 are opened in the fire transfer groove 14 and are connected with the outer fire hole 111.
[0032] The fire cover 1 provided by the present invention is formed into an integral part, and the inner fire hole 121 and the outer fire hole 111 are integrated on the same fire cover 1. This not only facilitates production and assembly, but also strengthens the strength of the fire cover 1. At the same time, by providing the fire transfer holes 13 extending from the inner fire hole 121 to the outer fire hole 111 on the fire cover 1, since the fire transfer holes 13 are closer to the inner fire hole 121, rapid and stable fire transfer between the inner fire hole 121 and the outer fire hole 111 can be achieved. The fire transfer groove 14 is provided near the outer fire hole 111, which can further accelerate the fire transfer efficiency. By providing part of the fire transfer holes 13 in the fire transfer groove 14 and making the part of the fire transfer holes 13 connected to the outer fire hole 111, the fire transfer effect and the stability of the fire transfer are guaranteed.
[0033] Optionally, a first raised portion 12 protruding upward is provided in the middle of the fire cover body 10. A first secondary air passage 103 is defined in the middle of the first raised portion 12. A support 15 is provided on the upper side of the first raised portion 12. A shielding cover 17 is provided on the upper side of the support 15. The first secondary air passage 103 is located within the vertical projection of the shielding cover 17. A secondary air outlet passage 104 communicating with the first secondary air passage 103 is formed between the shielding cover 17, the support 15, and the first raised portion 12. An inner fire hole 121 is provided on the circumference of the first raised portion 12. In this manner, the shielding cover 17 can completely shield the first secondary air passage 103, preventing overflow generated during cooking from entering the first secondary passage through the secondary air outlet passage 104. This ensures the circulation of secondary air and the combustion efficiency of the burner.
[0034] Optionally, the upper side of the first protrusion 12 is tilted downward from the middle to the outside, so that any liquid dripping onto the upper side of the first protrusion 12 can flow away along the upper side of the first protrusion 12, thereby preventing the liquid from accumulating on the upper side of the first protrusion 12. And / or the upper side of the shielding cover 17 is tilted downward from the middle to the outside, so that any liquid dripping onto the upper side of the shielding cover 17 can flow away along the upper side of the shielding cover 17, thereby preventing the liquid from accumulating on the upper side of the shielding cover 17.
[0035] Optionally, a second raised portion 11 protruding upward is provided on the peripheral side of the fire cover body 10, and an external fire hole 111 is opened on the outer side of the second raised portion 11. A liquid storage tank 101 is formed between the first raised portion 12 and the second raised portion 11. The overflow generated during cooking can be temporarily stored in the liquid storage tank 101. After cooking is completed, the user can remove the fire cover 1 and pour out the overflow, which is convenient for cleaning the overflow.
[0036] Optionally, the second raised portion 11 is provided with an overflow channel 113 extending radially along the fire cover body 10, and a liquid storage tank
[0037] 101 is connected to the outer peripheral side of the fire cover 1 through the overflow channel 113, so that the overflow is guided to flow out of the outside of the fire cover 1, and the fire cover 1 does not need to be cleaned.
[0038] Optionally, an auxiliary fire hole 114 is opened on the side wall of the overflow channel 113. When the outer ring fire is transmitted to the overflow channel 113, the outer ring fire can be quickly transmitted through the auxiliary fire hole 114 to ensure the fire transmission efficiency.
[0039] Optionally, the inner side surface of the second protrusion 11 is tilted upward from the inside to the outside to form an avoidance slope 112, so that the user can clean the accumulated liquid or dirt in the liquid storage tank 101, making the fire cover 1 easier to clean.
[0040] Optionally, a third protrusion 131 protruding upward is further provided on the upper side of the fire cover body 10, and at least part of the fire transfer holes 13 are opened on the third protrusion 131. By setting the third protrusion 131, the overflow in the liquid storage tank 101 will not flow into the fire transfer holes 13.
[0041] Specifically, in this embodiment, the fire transfer groove 14 is opened on the second protrusion 11, and part of the fire transfer holes 13 are opened in the fire transfer groove 14. Therefore, the fire transfer groove 14 and part of the fire transfer holes 13 opened in the fire transfer groove 14 will not be blocked by accumulated liquid, while part of the fire transfer holes 13 set in the avoidance slope 112 and the liquid storage groove 101 may be blocked by overflowing liquid. Therefore, this part of the fire transfer holes 13 needs to be set on the third protrusion 131 to prevent overflowing liquid from entering this part of the fire transfer holes 13.
[0042] Optionally, an ignition needle mounting hole 16 is also provided on the fire cover body 10. The ignition needle mounting hole 16 is located on the outside of the inner fire hole 121 to facilitate the installation of the ignition needle 2. The ignition needle 2 first ignites the inner fire hole 121, and then the flame of the inner fire hole 121 is transmitted to the outer fire hole 111 via the fire transfer hole 13 and the fire transfer groove 14.
[0043] On the other hand, the utility model provides a burner, including an ignition needle 2, an ignition divider 3 and the above-mentioned fire cover 1, the ignition divider 3 is provided with a second secondary air channel 102, the fire cover 1 is covered on the ignition divider 3 and covers the ignition divider 3 to form an inner ring fire gas chamber 105 and an outer ring fire gas chamber 106, the outer ring fire gas chamber 106 is connected to the inner fire hole 121, and the outer ring fire gas chamber 106 is connected to the outer fire hole 111, and the ignition needle 2 is installed in the ignition needle installation hole 16 opened on the fire cover body 10.
[0044] Furthermore, the second secondary air channel 102 is connected to the first secondary air channel 103 , and secondary air flows out through the second secondary air channel 102 , the first secondary air channel 103 and the secondary air outlet channel 104 in sequence, providing secondary air for the burner to ensure combustion efficiency.
[0045] Optionally, the ignition needle 2 includes an ignition needle support 21 and an ignition needle body 22 installed on the ignition needle support 21. The ignition needle support 21 is installed in the ignition needle mounting hole 16. The ignition needle support 21 and the ignition needle mounting hole 16 are sealed to prevent overflow from seeping through the gap between the ignition needle support 21 and the ignition needle mounting hole 16. The upper side surface of the ignition needle support 21 is level with or higher than the upper side surface of the side wall of the ignition needle mounting hole 16 so that overflow will not accumulate on the ignition needle support 21. The upper part of the ignition needle body 22 protrudes from the upper side surface of the ignition needle support 21 to facilitate ignition.
[0046] 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, characterized in that: The fire cover is integrally formed and includes a fire cover body (10). The fire cover body (10) is provided with an outer fire hole (111), an inner fire hole (121), a fire transfer groove (14) and a fire transfer hole (13). The outer fire hole (111) is located outside the inner fire hole (121). The fire transfer hole (13) is opened in a vertical direction. There are a plurality of fire transfer holes (13). The plurality of fire transfer holes (13) are arranged between the inner fire hole (121) and the outer fire hole (111) along the radial direction of the fire cover body (10). The fire transfer groove (14) is arranged on the upper side of the outer fire hole (111) along the radial direction of the fire cover body (10). Some of the fire transfer holes (13) are opened in the fire transfer groove (14) and communicated with the outer fire hole (111).
2. The fire cover according to claim 1, characterized in that A first raised portion (12) raised upward is provided in the middle of the fire cover body (10), a first secondary air passage (103) is provided in the middle of the first raised portion (12), a pillar (15) is provided on the upper side of the first raised portion (12), a shielding cover (17) is provided on the upper side of the pillar (15), the first secondary air passage (103) is located within the vertical projection of the shielding cover (17), a secondary air outlet passage (104) connected to the first secondary air passage (103) is formed between the shielding cover (17), the pillar (15) and the first raised portion (12), and the inner fire hole (121) is provided on the peripheral side of the first raised portion (12).
3. The fire cover according to claim 2, characterized in that The upper side surface of the first protrusion (12) is tilted downward from the middle to the outer side; and / or the upper side surface of the shielding cover (17) is tilted downward from the middle to the outer side.
4. The fire cover according to claim 2, characterized in that A second raised portion (11) raised upward is provided on the circumferential side of the fire cover body (10); the outer fire hole (111) is opened on the outer side of the second raised portion (11); and a liquid storage groove (101) is formed between the first raised portion (12) and the second raised portion (11).
5. The fire cover according to claim 4, characterized in that An overflow channel (113) extending radially of the fire cover body (10) is provided on the second raised portion (11), and the liquid storage tank (101) is connected to the outer peripheral side of the fire cover through the overflow channel (113).
6. The fire cover according to claim 5, characterized in that An auxiliary fire hole (114) is provided on the side wall of the overflow channel (113).
7. The fire cover according to claim 4, characterized in that The inner side surface of the second protrusion (11) is inclined upward from the inside to the outside to form an avoidance slope (112).
8. The fire cover according to any one of claims 1 to 7, characterized in that: The upper side of the fire cover body (10) is further provided with a third protruding portion (131) protruding upward, and at least part of the fire transmission holes (13) are opened on the third protruding portion (131).
9. The fire cover according to any one of claims 1 to 7, characterized in that: An ignition needle mounting hole (16) is also provided on the fire cover body (10), and the ignition needle mounting hole (16) is located outside the inner fire hole (121).
10. A burner, characterized in that: The invention comprises an ignition needle (2), an ignition divider (3) and a fire cover (1) according to any one of claims 1 to 9, wherein a second secondary air passage (102) is provided on the ignition divider (3), and the fire cover (1) is covered on the ignition divider (3) and covers the ignition divider (3) to form an inner ring fire gas chamber (105) and an outer ring fire gas chamber (106), wherein the inner ring fire gas chamber (105) is connected to the inner fire hole (121), and the outer ring fire gas chamber (106) is connected to the outer fire hole (111), and the ignition needle (2) is installed in an ignition needle installation hole (16) provided on the fire cover body (10).
11. The burner according to claim 10, characterized in that The ignition needle (2) includes an ignition needle support (21) and an ignition needle body (22) mounted on the ignition needle support (21); the ignition needle support (21) is mounted in the ignition needle mounting hole (16); a seal is provided between the ignition needle support (21) and the ignition needle mounting hole (16); the upper side surface of the ignition needle support (21) is flush with or higher than the upper side surface of the side wall of the ignition needle mounting hole (16); and the upper part of the ignition needle body (22) protrudes from the upper side surface of the ignition needle support (21).