CN218955198U - Mute device and gas water heater - Google Patents
Mute device and gas water heater Download PDFInfo
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- CN218955198U CN218955198U CN202223602148.1U CN202223602148U CN218955198U CN 218955198 U CN218955198 U CN 218955198U CN 202223602148 U CN202223602148 U CN 202223602148U CN 218955198 U CN218955198 U CN 218955198U
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- cover plate
- silencing
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- wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model provides a silencing device and a gas water heater, which relate to the technical field of kitchen appliances, wherein the silencing device comprises: the bottom plate is provided with a concave part which is concave downwards, and a first smoke pipe hole and a through air hole which penetrate through the bottom plate are arranged in the concave part; the cover plate is connected with the bottom plate, and a mute cavity is formed by the cover plate and the concave part in a surrounding mode; the cover plate is provided with a second smoke pipe hole penetrating through the cover plate, the first smoke pipe hole and the second smoke pipe hole are used for allowing the smoke exhaust pipe to pass through, and the area of the cross section of the second smoke pipe hole is larger than that of the cross section of the outer wall of the smoke exhaust pipe, so that an air inlet hole is formed between the second smoke pipe hole and the smoke exhaust pipe.
Description
Technical Field
The utility model relates to the technical field of kitchen appliances, in particular to a silencing device and a gas water heater.
Background
The electric operation noise is always tired for consumers, and with the improvement of the consumer's requirements on life quality, consumers are attracting wide attention for low-noise gas water heaters when purchasing gas water heaters. So the low noise gas water heater is always the direction of the technical development of the brand enterprises of the water heater.
Existing gas water heater silence structures, for example, patent scheme (CN 209926579U): the system only quickens the exhaust flow rate through a fan to reduce the resistance of an air outlet so as to reduce noise and consume larger energy.
Disclosure of Invention
The utility model aims to provide a silencing device and a gas water heater so as to solve the technical problem that the existing gas water heater is large in noise reduction and energy consumption.
In a first aspect, the present utility model provides a muting device, including: the bottom plate is provided with a concave part which is concave downwards, and a first smoke pipe hole and a through air hole which penetrate through the bottom plate are arranged in the concave part;
the cover plate is connected with the bottom plate, and a mute cavity is formed by the cover plate and the concave part in a surrounding mode; the cover plate is provided with a second smoke pipe hole penetrating through the cover plate, the first smoke pipe hole and the second smoke pipe hole are used for allowing the smoke exhaust pipe to pass through, and the area of the cross section of the second smoke pipe hole is larger than that of the cross section of the outer wall of the smoke exhaust pipe, so that an air inlet hole is formed between the second smoke pipe hole and the smoke exhaust pipe.
Further, a first silencing wall protruding towards the inner side of the silencing cavity is arranged in the concave part, and a gap is reserved between the top end of the first silencing wall and the cover plate;
and/or, a second silencing wall body protruding towards the inner side of the silencing cavity is arranged on the cover plate, and a gap is formed between the bottom end of the second silencing wall body and the inner wall of the concave part.
Further, the recess comprises a side enclosure wall and a bottom wall, and the side enclosure wall and/or the bottom wall are/is provided with the through air hole.
Further, a positioning structure corresponding to the bottom shell is arranged on the bottom plate.
Further, the cover plate is clamped with the bottom plate, welded or connected through a threaded piece.
Further, the cover plate is provided with a claw, and the bottom plate is provided with a clamping groove corresponding to the claw.
Further, a sealing strip is arranged between the bottom plate and the cover plate.
Further, a sinking table which is sunken downwards is arranged on the bottom plate, and the concave part is positioned in the sinking table;
the outer contour of the sinking platform corresponds to the outer contour of the cover plate.
In a second aspect, the utility model provides a gas water heater, which comprises a bottom shell and the silencing device;
the silencing device is connected with the top opening end of the bottom shell; the recess is located inside the bottom case.
Further, the bottom plate is clamped with the bottom shell, welded or connected through a threaded piece.
The mute device provided by the utility model comprises: the bottom plate is provided with a concave part which is concave downwards, and a first smoke pipe hole and a through air hole which penetrate through the bottom plate are arranged in the concave part; the cover plate is connected with the bottom plate, and a mute cavity is formed by the cover plate and the concave part in a surrounding mode; the cover plate is provided with a second smoke pipe hole penetrating through the cover plate, the first smoke pipe hole and the second smoke pipe hole are used for allowing the smoke exhaust pipe to pass through, and the area of the cross section of the second smoke pipe hole is larger than that of the cross section of the outer wall of the smoke exhaust pipe, so that an air inlet hole is formed between the second smoke pipe hole and the smoke exhaust pipe. The silencing device is arranged at the top opening end of the bottom shell of the gas water heater, noise generated in the bottom shell can be upwards transmitted to and enter the silencing cavity from the air passing hole on the bottom plate, then the noise is discharged from the air inlet hole formed between the second smoke pipe hole and the smoke exhaust pipe after multiple reflections in the silencing cavity, and the noise consumes energy in the process of multiple refraction, so that the purpose of noise reduction is achieved. Compared with the prior art, the combustion noise in the scheme only forms the silencing effect through the internal mutual reflection of the silencing device without additional energy consumption, so that energy sources can be saved, and the use cost is reduced.
The gas water heater provided by the utility model comprises a bottom shell and the silencing device; the silencing device is connected with the top opening end of the bottom shell; the recess is located inside the bottom case. Because the gas water heater provided by the utility model adopts the silencing device, the gas water heater provided by the utility model also has the advantage of the silencing device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a base plate of a silencing device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of silencing in a silencing cavity of a silencing device according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a cover plate of a silencing device according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a gas water heater before assembling a cover plate according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of an internal structure of a gas water heater according to an embodiment of the present utility model.
Icon: 100-a bottom plate; 110-a recess; 120-a first smoke tube hole; 130-a via air hole; 140-a first sound deadening wall; 150-clamping grooves; 160-depositing a table;
200-cover plate; 210-a second smoke tube hole; 220-jaws;
300-positioning columns;
400-bottom shell;
500-sealing strips;
600-smoke exhaust pipe.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the silencing device provided by the utility model is used for being installed at the top opening end of the bottom shell 400 of the gas water heater, the bottom shell 400 and the silencing device form a sealing connection, and the bottom shell 400 is not provided with a hole communicated with the outside.
As shown in fig. 1, the muting device comprises a base plate 100, a concave portion 110 recessed downwards is arranged in the middle of the base plate 100, a first smoke tube hole 120 and a through air hole 130 penetrating through the base plate 100 are arranged in the concave portion 110, and a smoke exhaust tube 600 of the gas water heater penetrates through the first smoke tube hole 120.
The first tube aperture 120 may be a circular aperture; the inner diameter of the first tube hole 120 may coincide with the outer diameter of the smoke discharge tube 600.
As shown in fig. 3, the silencing device further includes a cover 200, the cover 200 is connected to the upper surface of the base plate 100, the cover 200 covers the recess 110, and the cover 200 and the recess 110 enclose a silencing cavity.
The cover plate 200 is provided with a second smoke pipe hole 210 penetrating through the cover plate 200, and a smoke exhaust pipe 600 in the gas water heater sequentially passes through the first smoke pipe hole 120 and the second smoke pipe hole 210 and then is connected with an indoor exhaust hole.
The first tube hole 120 and the second tube hole 210 may be aligned up and down, however, the cross-sectional area of the second tube hole 210 is larger than the cross-sectional area of the outer wall of the smoke exhaust tube 600, so that an air intake hole is formed between the second tube hole 210 and the smoke exhaust tube 600. Specifically, in this embodiment, the second smoke tube hole 210 is a strip-shaped hole extending along the left-right direction, so that air inlet holes are formed on the left side and the right side of the smoke tube 600, and for the concave portion 110, the first smoke tube hole 120 is located at the middle position of the concave portion 110 in the left-right direction, and the center of the second smoke tube hole 210 is aligned with the center of the first smoke tube hole 120 up and down, so that the smoke tube 600 divides the mute cavity into symmetrical structures, and the purpose of uniform noise reduction is achieved.
The transmission direction of the noise is as follows: burner-bottom case 400-via air holes 130-silent cavity-intake holes. The flow direction of the air for supporting combustion is as follows: inlet port-quiet chamber-through air hole 130-bottom case 400-burner.
The beneficial effects of the device are as follows: the silencing device is mounted at the top opening end of the bottom shell 400 of the gas water heater, noise generated in the bottom shell 400 is upwards transmitted to and enters the silencing cavity from the air passing hole 130 on the bottom plate 100, then is discharged from the air inlet hole formed between the second smoke pipe hole 210 and the smoke exhaust pipe 600 after being reflected for multiple times in the silencing cavity, and the noise consumes energy in the process of multiple refraction, so that the purpose of noise reduction is achieved. Compared with the prior art, the combustion noise in the scheme only forms the silencing effect through the internal mutual reflection of the silencing device without additional energy consumption, so that energy sources can be saved, and the use cost is reduced.
The recess 110 in the base plate 100 may be formed by stamping or by injection molding.
As shown in fig. 1, in one embodiment, a first silencing wall 140 protruding toward the inner side of the silencing cavity is disposed in the recess 110, and a gap is formed between the top end of the first silencing wall 140 and the cover 200. The number of times of emission of noise in the silence cavity can be increased in the existence of first amortization wall, and the combustion noise source reaches the inside silence cavity of silence device, has the clearance between the top of first amortization wall body 140 and the apron 200, and a part of noise is reflected by first amortization wall body 140, and the noise intensity of collision on first amortization wall body 140 is weakened, and a part of noise passes first amortization wall body 140, cuts apart the noise source, and after the secondary reduced sound source intensity, is passed through the inlet port and is diffused to outside air in and reach silence effect.
In another embodiment, the cover 200 is provided with a second silencing wall protruding toward the inner side of the silencing cavity, and a bottom end of the second silencing wall has a gap with the inner wall of the recess 110. The number of times of emission of noise in the silence cavity can be increased in the existence of second amortization wall, and the combustion noise source reaches the inside silence cavity of silence device, has the clearance between the low end of second amortization wall body and the inner wall of concave part 110, and a part noise is reflected by the second amortization wall body, and the noise intensity of collision on first amortization wall body 140 is weakened, and a part noise passes first amortization wall body 140, cuts apart the noise source, and after the secondary reduces sound source intensity, is diffused to the outside air through the inlet port and reaches silence effect.
In another embodiment, the recess 110 is provided with a first silencing wall 140 protruding toward the inner side of the silencing cavity, a gap is formed between the top end of the first silencing wall 140 and the cover plate 200, meanwhile, the cover plate 200 is provided with a second silencing wall protruding toward the inner side of the silencing cavity, and the bottom end of the second silencing wall and the inner wall of the recess 110 are provided with gaps.
The recess 110 includes a side wall and a bottom wall, the side wall is provided with the air passing hole 130, and the air passing hole 130 can be arranged around the side wall, so that noise can enter the silence cavity.
The bottom wall may also be provided with the through air holes 130, in this embodiment, the number of the through air holes 130 on the bottom wall is four, and two through air holes are located on the left and right sides of the first smoke tube hole 120. Noise from bottom to top may enter the silence chamber directly through the four via holes 130.
Meanwhile, it should be noted that the above arrangement of the via holes 130 may facilitate air entering into the bottom case 400 to facilitate the combustion of the burner.
As shown in fig. 1, the bottom plate 100 is provided with a positioning structure corresponding to the bottom case 400.
Specifically, the portion of the bottom plate 100 located at the periphery of the recess 110 is connected to the bottom case 400, and the positioning structure may be a positioning column 300, which plays a role in assisting positioning, and the bottom plate 100 may be aligned and connected to the bottom case 400 by a clamping, welding or screw.
The cover plate 200 is clamped, welded or connected with the base plate 100 through a screw.
In one embodiment, the cover plate 200 is snapped onto the base plate 100. Specifically, the cover 200 may be provided with a downward protruding claw 220, the bottom plate 100 is provided with a clamping groove 150 corresponding to the claw 220, and after the claw 220 is inserted into the clamping groove 150, the clamping groove 150 blocks the claw 220 from being pulled out, so as to realize connection between the cover 200 and the bottom plate 100.
The clamping claws 220 are in one-to-one correspondence with the clamping grooves 150, the clamping claws 220 are arranged around the concave part 110, so that the connection strength of the bottom plate 100 and the cover plate 200 is improved, and the situation that the pressure in the mute cavity is overlarge to cause the connection gap between the cover plate 200 and the bottom plate 100 to tilt is avoided.
In another embodiment, the cover plate 200 may be welded to the base plate 100, so that the joint gap between the two is completely welded and sealed, thereby avoiding air leakage.
In still another embodiment, the cover plate 200 and the base plate 100 may be further connected through a screw, a first mounting hole is provided on the cover plate 200, a second mounting hole is provided on the base plate 100, and the number of the first mounting hole and the second mounting hole is plural and corresponds to one, and the cover plate 200 and the base plate 100 are connected by passing through the first mounting hole and the second mounting hole sequentially through the screw and then connecting with a nut.
As shown in fig. 5, in order to improve sealing strength, noise is prevented from escaping from a joint gap between the cover plate 200 and the base plate 100 in advance, and a sealing strip 500 is provided between the base plate 100 and the cover plate 200. The sealing tape 500 has elasticity for filling a gap formed between the cover plate 200 and the base plate 100 due to a difference in size.
A sinking platform 160 which is sunken downwards is arranged on the bottom plate 100, and the concave part 110 is positioned in the sinking platform 160; the outer contour of the sinking platform 160 corresponds to the outer contour of the cover 200.
After the cover plate 200 is connected with the bottom plate 100, the cover plate 200 is embedded into the sinking platform 160, so that the cover plate 200 is flush with the bottom plate 100, and the attractive appearance is achieved.
As shown in fig. 4 and 5, the gas water heater provided by the utility model comprises a bottom shell 400 and the silencing device; the silencing device is connected with the top opening end of the bottom shell 400; the recess 110 is located inside the bottom case 400. Because the gas water heater provided by the embodiment of the utility model refers to the silencing device, the gas water heater provided by the embodiment of the utility model also has the advantage of the silencing device.
The bottom plate 100 and the bottom case 400 may be fastened, welded, or connected by screws.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A mute apparatus, comprising: the base plate (100), the base plate (100) is provided with a concave part (110) which is concave downwards, and a first smoke pipe hole (120) and a through air hole (130) which penetrate through the base plate (100) are arranged in the concave part (110);
the cover plate (200) is connected with the bottom plate (100), and the cover plate (200) and the concave part (110) enclose a mute cavity; the cover plate (200) is provided with a second smoke pipe hole (210) penetrating through the cover plate (200), the first smoke pipe hole (120) and the second smoke pipe hole (210) are used for allowing the smoke exhaust pipe (600) to pass through, and the area of the cross section of the second smoke pipe hole (210) is larger than that of the cross section of the outer wall of the smoke exhaust pipe (600), so that an air inlet hole is formed between the second smoke pipe hole (210) and the smoke exhaust pipe (600).
2. The silencing device according to claim 1, wherein a first silencing wall body (140) protruding toward the inner side of the silencing cavity is provided in the recess (110), and a gap is provided between the top end of the first silencing wall body (140) and the cover plate (200);
and/or a second silencing wall body protruding towards the inner side of the silencing cavity is arranged on the cover plate (200), and a gap is formed between the bottom end of the second silencing wall body and the inner wall of the concave part (110).
3. The muting device according to claim 2, characterized in that the recess (110) comprises a side enclosing wall and a bottom wall, the side enclosing wall and/or the bottom wall being provided with the through-air hole (130).
4. A muting device according to any one of claims 1 to 3, characterized in that the base plate (100) is provided with a positioning structure corresponding to the bottom shell (400).
5. A muting device according to any of claims 1-3, characterized in that the cover plate (200) is clamped, welded or connected with the base plate (100) by screws.
6. A silencing device according to any of claims 1-3, wherein the cover plate (200) is provided with a claw (220), and the base plate (100) is provided with a clamping groove (150) corresponding to the claw (220).
7. A muting device according to any of claims 1-3, characterized in that a sealing strip (500) is arranged between the base plate (100) and the cover plate (200).
8. A muting device according to any one of claims 1 to 3, characterized in that a sunk sinking table (160) is provided on the base plate (100), the recess (110) being located in the sinking table (160);
the outer contour of the sinking platform (160) corresponds to the outer contour of the cover plate (200).
9. A gas water heater characterized by comprising a bottom shell (400) and a silencing device according to any of claims 1-8;
the silencing device is connected with the top opening end of the bottom shell (400); the recess (110) is located inside the bottom case (400).
10. Gas water heater according to claim 9, characterized in that the bottom plate (100) is clamped, welded or connected by screws with the bottom shell (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223602148.1U CN218955198U (en) | 2022-12-30 | 2022-12-30 | Mute device and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223602148.1U CN218955198U (en) | 2022-12-30 | 2022-12-30 | Mute device and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218955198U true CN218955198U (en) | 2023-05-02 |
Family
ID=86107081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223602148.1U Active CN218955198U (en) | 2022-12-30 | 2022-12-30 | Mute device and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218955198U (en) |
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2022
- 2022-12-30 CN CN202223602148.1U patent/CN218955198U/en active Active
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