Hidden fool-proof updraft burner
By combining a concealed structure and fasteners, the problem of flame leakage caused by misalignment of the burner cap in the top-intake burner was solved, achieving stable assembly and improved aesthetics, and extending the burner's service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENGZHOU OUKAI ELECTRIC APPLIANCES CO LTD
- Filing Date
- 2022-11-23
- Publication Date
- 2026-07-21
AI Technical Summary
Existing top-intake burners are prone to flame leakage during use due to misalignment of the burner cap, and the fixed structure affects aesthetics or is not conducive to long-term use.
The concealed structure, through the combination of the first fixing post, the boss and the second fixing post and fasteners, achieves stable assembly of the outer ring flame cap and the base. Combined with the design of the guide plate and the positioning block, it ensures accurate positioning and fixation of the flame cap and the base.
It effectively prevents flame leakage, extends the service life of the burner, and improves the ease of installation and disassembly of the outer ring burner cap as well as its overall aesthetics.
Smart Images

Figure CN116293663B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of burner technology, and in particular to a concealed, foolproof, top-inlet burner. Background Technology
[0002] Currently, most burners on the market have bottom air intake. Bottom air intake burners have fixed burner heads and bases, making it relatively easy to remove and replace the burner cap during use. However, with the increasing prevalence of top air intake burners, people are accustomed to removing the burner cap for cleaning. Since the base and burner cap of top air intake burners can be removed, it is easy for them to not be fully aligned when put back in their original installation position, resulting in flame leakage and other problems, which greatly increases the failure rate.
[0003] Meanwhile, some top-intake burners use an external connection structure for fixing, which affects the aesthetics of the product, while others use an adhesive bonding structure, which is not conducive to long-term use. Summary of the Invention
[0004] The purpose of this invention is to provide a concealed, foolproof, top-inlet burner solution to address the shortcomings of existing technologies. This solution not only facilitates the installation and disassembly of the outer ring burner cap but also makes it easier to position the outer ring burner cap during assembly with the base, preventing flame leakage and extending the burner's service life.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0006] A concealed, foolproof, top-intake burner, including
[0007] An outer ring flame cap is used to generate an outer ring flame;
[0008] and a base;
[0009] Its features are:
[0010] The outer ring burner cap is detachably connected to the base through at least one set of concealed structures, achieving stable assembly between the outer ring burner cap and the base. The design of the above structure not only facilitates the installation and disassembly of the outer ring burner cap, but also makes it easy to position the outer ring burner cap and the base during assembly, preventing phenomena such as flame leakage and extending the service life of the burner.
[0011] Furthermore, the concealed structure includes a first fixing post, a boss, and a second fixing post. The first fixing post is located inside the outer ring flame cap and has a threaded hole. The second fixing post is connected to the base through the boss and has a through hole that passes through the boss and the base. Fasteners pass through the through hole and are connected to the threaded hole to achieve a fixed assembly between the outer ring flame cap and the base.
[0012] Furthermore, the base is provided with a support column, and the support column has a through hole that connects to the through hole.
[0013] Furthermore, the base is provided with an outer ring ignition chamber and a flow channel. The flow channel is connected to the outer ring ignition chamber, and a guide plate is provided inside the outer ring ignition chamber to guide the mixed gas to the outer ring ignition chamber.
[0014] Furthermore, a positioning block is provided on the boss, and the guide plate includes an installation part and a guide part. The guide parts are symmetrically distributed on both sides of the installation part. The installation part is provided with positioning holes and positioning grooves. The positioning holes match the second fixing column, and the positioning grooves match the positioning block.
[0015] Furthermore, the base is provided with at least one outer ring flame ejector tube, which is connected to the flow channel. A support block is integrally formed on the side of the outer ring flame ejector tube near the air intake port, and the bottom surface of the support block is flush with the bottom surface of the support column.
[0016] Furthermore, the base is provided with an inner ring flame cap seat and an inner ring flame ejector tube. The inner ring flame cap seat is provided with an inner ring flame distribution chamber. The inner ring flame ejector tube is connected to the inner ring flame distribution chamber. The inner ring flame cap is assembled on the inner ring flame cap seat.
[0017] Furthermore, the inner ring flame cap seat is connected to the base via a fixing plate, forming an air channel between the inner ring flame cap seat and the base.
[0018] Furthermore, it also includes a burner head, which includes a base plate, an inner ring flame nozzle seat, an outer ring flame nozzle seat, a first air inlet, and a second air inlet. The inner ring flame nozzle seat, the outer ring flame nozzle seat, the first air inlet, and the second air inlet are all located on the base plate. The first air inlet is connected to the inner ring flame nozzle seat, and the second air inlet is connected to the outer ring flame nozzle seat.
[0019] Furthermore, the base plate is provided with a support plate and a connecting block. The support plate is integrally formed with the inner ring flame nozzle seat and the outer ring flame nozzle seat. The connecting block is located on the side of the base plate away from the inner ring flame nozzle seat and the outer ring flame nozzle seat. The top surfaces of the support plate and the connecting block are flush.
[0020] The present invention, by adopting the above-described technical solution, has the following beneficial effects:
[0021] 1. This invention not only facilitates the installation and disassembly of the outer ring burner cap, but also makes it easier to position the outer ring burner cap and base during assembly, preventing flame leakage and extending the service life of the burner.
[0022] 2. The first fixed post can be supported by the boss and the second fixed post. The threaded hole and the through hole are connected by fasteners to achieve stable assembly between the outer ring flame cap and the base, effectively preventing flame leakage and other phenomena.
[0023] 3. The guide plate can be fixedly installed by assembling the second fixed column and the first fixed column. The positioning block and positioning groove facilitate fixing the guide plate from the middle and are used to determine the installation position of the guide plate. The outer arc of the mounting column and the guide part matches the inner wall of the outer ring fire chamber, which is beneficial to the stable flow of the mixed gas. Attached image description:
[0024] The present invention will be further described below with reference to the accompanying drawings:
[0025] Figure 1 This is a rendering of a concealed, foolproof, top-inlet burner according to the present invention;
[0026] Figure 2 for Figure 1 Schematic diagram of the structure in direction A;
[0027] Figure 3 This is a rendering of the outer ring flame cap in this invention;
[0028] Figure 4 This is a schematic diagram showing the connection between the guide plate and the base in this invention;
[0029] Figure 5 This is a rendering of the base in this invention;
[0030] Figure 6 for Figure 5 A magnified view of a section at point I;
[0031] Figure 7 This is a schematic diagram of the flow guide plate in this invention;
[0032] Figure 8 for Figure 4 Schematic diagram of the structure in the B direction;
[0033] Figure 9 This is a rendering of the burner head in this invention.
[0034] In the diagram: 1-Outer ring flame cap; 101-Outer ring flame outlet; 102-First fixing post; 103-Threaded hole; 104-Ignition groove;
[0035] 2-Inner ring flame cap;
[0036] 3-Base; 301-Inner ring flame cap seat; 302-Fixing plate; 303-Air passage; 304-First limiting hole; 305-Second limiting hole; 306-Boss; 307-Second fixing post; 308-Through hole; 309-Outer ring flame distribution chamber; 310-Inner ring flame distribution chamber; 311-Drainage channel; 312-Positioning block; 313-Inner ring flame ejector tube; 314-Outer ring flame ejector tube; 315-Support block; 316-Support post; 317-Through hole;
[0037] 4-Burnhead; 401-Base plate; 402-Support foot; 403-First sleeve; 404-Second sleeve; 405-First air inlet; 406-Second air inlet; 407-Inner ring flame nozzle seat; 408-Outer ring flame nozzle seat; 409-Support plate; 410-Connecting block;
[0038] 5-Ignition needle;
[0039] 6-Thermocouple;
[0040] 7- Nozzle;
[0041] 8-Guide plate; 801-Mounting part; 802-Guide part; 803-Positioning hole; 804-Positioning groove. Detailed Implementation
[0042] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0043] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.
[0044] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.
[0045] like Figures 1 to 9 As shown, this invention discloses a concealed, foolproof, top-inlet burner, comprising an outer ring flame cap 1 for generating an outer ring flame and a base 3 for supporting the outer ring flame cap 1. Outer ring flame outlet holes 101 are distributed on the outer circumference of the outer ring flame cap 1, and an ignition groove 104 is provided on the top surface of the outer ring flame cap 1, vertically penetrating the outer ring flame cap 1. The outer ring flame cap 1 is detachably connected to the base 3 via a concealed structure, achieving stable assembly between the outer ring flame cap 1 and the base 3. This structural design not only facilitates the installation and disassembly of the outer ring flame cap 1 but also makes it easier to position the outer ring flame cap 1 during assembly with the base 3, preventing flame leakage and extending the burner's service life. Preferably, two sets of concealed structures are used: one set located within the outer ring flame distribution chamber 309 and the other within the flow channel 311, with the two sets of concealed structures distributed at 180°.
[0046] The concealed structure includes a first fixing post 102, a boss 306, and a second fixing post 307. The two first fixing posts 102 are located inside the outer ring flame cap 1 and are distributed at 180°. The first fixing post 102 is provided with a threaded hole 103. The second fixing post 307 is connected to the base 3 through the boss 306. The two second fixing posts 307 are distributed at 180° and protrude from the top surface of the boss 306. The second fixing post 307 is provided with a through hole 308, which passes through the boss 306 and the base 3. Fasteners pass through the through hole 308 and are connected to the threaded hole 103 to achieve a fixed assembly between the outer ring flame cap 1 and the base 3. The boss 306 and the second fixing post 307 can support the first fixing post 102. The threaded hole 103 and the through hole 308 are connected by fasteners to achieve a stable assembly between the outer ring flame cap 1 and the base 3, effectively preventing flame leakage. Fasteners can be fastening screws.
[0047] The base 3 has a support column 316 at its bottom, and a through hole 317 on the support column 316. The through hole 317 connects to the through hole 308. The support column 316 can support and position the base 3. The through hole 317 facilitates the insertion of fasteners. The bottom surface of the support column 316 rests against the furnace head 4.
[0048] The base 3 is provided with an outer ring flame distribution chamber 309 and a flow channel 311. The flow channel 311 connects to the outer ring flame distribution chamber 309. The outer ring flame distribution chamber 309 is provided with a guide plate 8, which is used to guide the mixed gas to the outer ring flame distribution chamber 309. After the mixed gas enters the flow channel 311, it diffuses to both sides along the guide plate 8 and enters the outer ring flame distribution chamber 309, so as to realize the rapid flow of the mixed gas along the outer ring flame distribution chamber 309 and improve the stability and reliability of the flame.
[0049] The boss 306 is provided with a positioning block 312, which is fitted to the inner wall of the outer ring fire chamber 309. The guide plate 8 includes a mounting part 801 and a guide part 802. The guide part 802 is symmetrically distributed on both sides of the mounting part 801. The mounting part 801 is provided with a positioning hole 803 and a positioning groove 804. The positioning hole 803 matches the second fixing post 307, and the positioning groove 804 matches the positioning block 312. The guide plate 8 can be fixedly installed by assembling the second fixing post 307 and the first fixing post 102. The positioning block 312 and the positioning groove 804 facilitate fixing the guide plate 8 from the middle and are used to determine the installation position of the guide plate 8. The outer arc of the mounting post and the guide part 802 matches the inner wall of the outer ring fire chamber 309, which is beneficial to the stable flow of the mixed gas.
[0050] The base 3 is provided with at least one outer ring flame ejector tube 314, which is connected to the flow channel 311. Preferably, there are two outer ring flame ejector tubes 314, and the air inlet ports of the two outer ring flame ejector tubes 314 are located on the same side. A support block 315 is integrally formed on the side of the outer ring flame ejector tube 314 near the air inlet port. The bottom surface of the support block 315 is flush with the bottom surface of the support column 316. Mixed gas can be input into the flow channel 311 through the outer ring flame ejector tube 314. The integrally formed support block 315 is not only easy to process and manufacture together with the outer ring flame ejector tube 314, but also can play a supporting role for the entire base 3, improving the supporting strength of the base 3. Together with the support column 316, it can improve the stability and reliability of the support.
[0051] The base 3 is provided with an inner ring flame cap seat 301 and an inner ring flame ejector tube 313. The inner ring flame cap seat 301 is provided with an inner ring flame distribution chamber 310. The inner ring flame ejector tube 313 is connected to the inner ring flame distribution chamber 310. An inner ring flame cap 2 is installed on the inner ring flame cap seat 301. The mixed gas can be continuously input into the inner ring flame distribution chamber 310 through the inner ring flame ejector tube 313, which facilitates stable flame output of the inner ring flame cap 2. The air inlet port of the inner ring flame ejector tube 313 and the air inlet port of the outer ring flame ejector tube 314 are located on the same side.
[0052] The inner ring burner seat 301 is connected to the base 3 via a fixing plate 302, forming an air channel 303 between the inner ring burner seat 301 and the base 3. The fixing plate 302 improves the connection strength and stability between the inner ring burner seat 301 and the base 3, and the air channel 303 facilitates the input of air between the inner ring burner 2 and the outer ring burner 1, which is beneficial for complete combustion. The fixing plate 302 is provided with a first limiting hole 304 and a second limiting hole 305, which are located on both sides of the inner ring burner seat 301.
[0053] It also includes a burner head 4, which includes a base plate 401, an inner ring flame nozzle seat 407, an outer ring flame nozzle seat 408, a first air inlet 405, and a second air inlet 406. The inner ring flame nozzle seat 407, the outer ring flame nozzle seat 408, the first air inlet 405, and the second air inlet 406 are all located on the base plate 401. The first air inlet 405 connects to the inner ring flame nozzle seat 407, and the second air inlet 406 connects to the outer ring flame nozzle seat 408. Gas can be supplied to the inner ring flame nozzle seat 407 and the outer ring flame nozzle seat 408 respectively through the first air inlet 405 and the second air inlet 406. Both the inner ring flame nozzle seat 407 and the outer ring flame nozzle seat 408 are equipped with nozzles 7, and the two outer ring flame nozzle seats 408 are connected by a gas supply channel.
[0054] The base plate 401 is provided with a support plate 409 and a connecting block 410. The support plate 409 is integrally formed with the inner ring flame nozzle seat 407 and the outer ring flame nozzle seat 408. The connecting block 410 is located on the side of the base plate 401 away from the inner ring flame nozzle seat 407 and the outer ring flame nozzle seat 408. The top surfaces of the support plate 409 and the connecting block 410 are flush. The support plate 409 and the connecting block 410 can respectively position and support the support block 315 and the support column 316, thereby improving the stability of the base 3 and the flame cover installation.
[0055] The bottom surface of the base plate 401 is provided with support feet 402 to facilitate the stable installation of the entire burner head 4. The base plate 401 is provided with a first sleeve 403 and a second sleeve 404. The first sleeve 403 matches the second limiting hole 305, and the second sleeve 404 matches the first limiting hole 304. A thermocouple 6 is installed in the first sleeve 403, and an ignition needle 5 is installed in the second sleeve 404.
[0056] In practical use, the invention first places the outer ring flame cap on the base, aligns the first fixing post with the second fixing post, and connects the fastening screw through the through hole to the threaded hole to fix the outer ring flame cap to the base. Then, the base is placed on the furnace head, and finally the inner ring flame cap is placed on the inner ring flame cap seat.
[0057] The above are merely specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on the present invention to achieve substantially the same technical effect are all covered within the protection scope of the present invention.
Claims
1. A concealed, foolproof, top-intake burner, comprising: An outer ring flame cap is used to generate an outer ring flame; and a base; Its features are: The outer ring flame cap is detachably connected to the base via at least one set of concealed structures, achieving stable assembly between the outer ring flame cap and the base. Each concealed structure includes a first fixing post, a boss, and a second fixing post. The first fixing post is located inside the outer ring flame cap and has a threaded hole. The second fixing post is connected to the base via the boss and has a through hole that passes through the boss and the base. A fastener passes through the through hole and connects to the threaded hole, thus facilitating stable assembly between the outer ring flame cap and the base. Fixed assembly; the base is provided with a support column, the support column is provided with a through hole, the through hole is connected to the through hole; the base is provided with an outer ring ignition chamber and a flow channel, the flow channel is connected to the outer ring ignition chamber, and a guide plate is provided in the outer ring ignition chamber for guiding the mixed gas to the outer ring ignition chamber; a positioning block is provided on the boss, the guide plate includes an installation part and a flow guiding part, the flow guiding part is symmetrically distributed on both sides of the installation part, the installation part is provided with a positioning hole and a positioning groove, the positioning hole matches the second fixed column, and the positioning groove matches the positioning block.
2. The concealed, foolproof, top-inlet burner according to claim 1, characterized in that: The base is provided with at least one outer ring flame ejector tube, which is connected to the flow channel. A support block is integrally formed on the side of the outer ring flame ejector tube near the air inlet port, and the bottom surface of the support block is flush with the bottom surface of the support column.
3. A concealed, foolproof, top-intake burner according to claim 1, characterized in that: The base is provided with an inner ring flame cap seat and an inner ring flame ejector tube. The inner ring flame cap seat is provided with an inner ring flame distribution chamber. The inner ring flame ejector tube is connected to the inner ring flame distribution chamber. An inner ring flame cap is assembled on the inner ring flame cap seat.
4. A concealed, foolproof, top-intake burner according to claim 3, characterized in that: The inner ring flame cap seat is connected to the base via a fixing plate, and an air channel is formed between the inner ring flame cap seat and the base.
5. A concealed, foolproof, top-inlet burner according to any one of claims 1 to 3, characterized in that: It also includes a burner head, which includes a base plate, an inner ring flame nozzle seat, an outer ring flame nozzle seat, a first air inlet and a second air inlet. The inner ring flame nozzle seat, the outer ring flame nozzle seat, the first air inlet and the second air inlet are all disposed on the base plate. The first air inlet is connected to the inner ring flame nozzle seat and the second air inlet is connected to the outer ring flame nozzle seat.
6. A concealed, foolproof, top-intake burner according to claim 5, characterized in that: The base plate is provided with a support plate and a connecting block. The support plate is integrally formed with the inner ring flame nozzle seat and the outer ring flame nozzle seat. The connecting block is located on the side of the base plate away from the inner ring flame nozzle seat and the outer ring flame nozzle seat. The top surfaces of the support plate and the connecting block are flush.