CN217031620U

CN217031620U - Conveniently assembled silencing device, gas water heater and wall-mounted boiler

Info

Publication number: CN217031620U
Application number: CN202220866713.6U
Authority: CN
Inventors: 朱杰益
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a silencing device convenient to assemble, a gas water heater and a wall-mounted boiler. The muting device comprises: a cylinder body which is communicated up and down; an inner shell wall is arranged in the cylinder body, and the inner shell wall and the cylinder body are arranged at intervals and form a sound insulation cavity; the inner shell wall is surrounded to form a combustion chamber; the cylinder body is provided with a plurality of air inlets which are communicated with the sound insulation cavity; the inner shell wall is provided with a plurality of air supply outlets which are communicated with the sound insulation cavity and the combustion chamber; the cylinder body is connected with the inner shell wall through a plurality of buckle structures. According to the utility model, air in the sound insulation cavity flows and is sent out towards the combustion chamber, so that heat of the cylinder and the inner shell wall can be taken away, the temperature of the silencing device is reduced, and the temperature rise is reduced; and the barrel is connected with the inner shell wall through a plurality of buckle structures, so that the barrel and the inner shell wall do not need to be locked by bolts, the using amount of the bolts is reduced, the assembly process is simplified, the assembly efficiency is improved, the whole weight of the silencing device is reduced, and the production cost is reduced.

Description

Conveniently assembled mute device, gas water heater and wall-mounted boiler

Technical Field

The utility model relates to the technical field of gas heating equipment, in particular to a silencing device convenient to assemble, a gas water heater and a wall-mounted boiler.

Background

In patent CN201822090633.2, a bee colony silver nest energy-gathering mute device is proposed. According to the silencing device, the heat loss is reduced through the silencing heat insulation layer, and the propagation of combustion sound is blocked.

However, in the actual use process, the energy-gathering effect of the bee colony silver nest energy-gathering mute device is over strong, and the temperature rise is obvious; when the water heater or the wall-mounted boiler stops supplying water and supplies hot water again, the temperature of a small amount of outputted hot water is too high, a user is easily scalded, and potential safety hazards exist; moreover, the housing of the high-temperature silencing device is also easy to damage the internal elements of the water heater or the wall-hanging stove.

Moreover, the inner shell and the outer shell of the original bee colony silver nest energy-gathering mute device are locked through a plurality of bolts, so that the whole weight is large, more spare parts are needed, the assembling efficiency is low, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the mute device, the gas water heater and the wall-mounted boiler which are convenient to assemble.

The technical scheme adopted by the embodiment of the utility model for solving the technical problem is as follows: a device for facilitating assembly of a silencing device comprising: a cylinder body which is through from top to bottom; an inner shell wall is arranged in the cylinder body, and the inner shell wall and the cylinder body are arranged at intervals and form a sound insulation cavity; the inner shell wall is surrounded to form a combustion chamber;

a plurality of air inlets are formed in the cylinder body and communicated with the sound insulation cavity; the inner shell wall is provided with a plurality of air supply outlets which are communicated with the sound insulation cavity and the combustion chamber;

the cylinder body is connected with the inner shell wall through a plurality of buckle structures.

Optionally, the cross sections of the cylinder and the inner shell wall are arranged in a rectangular shape; the cylinder body comprises two semi-cylinder shells with a [ -structure, and the two semi-cylinder shells are arranged in a central symmetry manner; the inner shell wall comprises two first shell walls and two second shell walls, wherein the two first shell walls are arranged oppositely, and the two second shell walls are arranged oppositely;

one of said first housing wall and one of said second housing wall is mounted to one of said cartridge halves by a plurality of snap-fit structures; the other first shell wall and the other second shell wall are mounted on the other half cylinder shell through a plurality of buckling structures; the two half cylinder shells are locked through locking pieces.

Optionally, the upper and lower sides of the first shell wall and the half-cylinder shell are provided with transverse flanging structures which can abut against each other.

Optionally, a first upper clamping portion and a first upper clamping groove which are mutually matched are arranged above the first shell wall and the half-cylinder shell; a first lower clamping part and a first lower clamping groove which are mutually matched are arranged below the first shell wall and the half-cylinder shell; the first upper clamping portion can be clamped into the first upper clamping groove, and the first lower clamping portion can be clamped into the first lower clamping groove.

Optionally, a connecting recess is arranged above the first casing wall; a connecting lug is arranged above the semi-cylindrical shell and can be folded and abutted against the connecting concave part; the connecting concave part and the connecting lug plate are provided with corresponding through holes.

Optionally, the half-cylinder shell is further provided with connecting embedded lugs, the connecting embedded lugs and the connecting lug are located at different horizontal heights, and the connecting embedded lugs are located at two lateral sides of the connecting lug;

the connecting lug can abut against the upper side of the transverse flanging of the first shell wall; the connecting lug can abut against the lower side of the transverse flanging of the first shell wall.

Optionally, a second upper clamping portion and a second upper clamping groove which are mutually matched are arranged above the second shell wall and the half-cylinder shell; a second lower clamping part and a second lower clamping groove which are mutually matched are arranged below the second shell wall and the half-cylinder shell; the second upper clamping portion can be clamped into the second upper clamping groove, and the second lower clamping portion can be clamped into the second lower clamping groove.

Optionally, the half cylinder shell includes a first cylinder wall, a second cylinder wall, and a third cylinder wall; the second cylinder wall and the third cylinder wall are positioned at two ends of the first cylinder wall; the second cylinder wall is provided with a step layer; the step layer of one half cylinder shell can extend into and abut against the third cylinder wall of the other half cylinder shell; the step layer and the third cylinder wall can be locked through a locking piece.

The utility model has the beneficial effects that: the silencing device is arranged on the water heater or the wall-mounted furnace, the burner assembly is arranged below the silencing device, the heat exchange assembly and the fan are arranged above the silencing device, and flame generated by burning of the burner is located in the combustion chamber. Through the sound insulation cavity, the loss of combustion heat is reduced, and combustion sound is prevented from being transmitted towards the outside of the cylinder body, so that a silencing effect is achieved. In addition, the cylinder body is provided with a plurality of air inlets, the inner shell wall is provided with a plurality of air supply outlets, the air inlets and the air supply outlets are communicated with the sound insulation cavity, air in the sound insulation cavity flows and is sent out towards the combustion chamber under the driving of airflow in the fan and the combustion chamber, heat of the cylinder body and the inner shell wall can be taken away, the temperature of the silencing device is reduced, and temperature rise is reduced. According to the utility model, the cylinder body is connected with the inner shell wall through the plurality of buckle structures, so that bolts are not needed to lock the cylinder body and the inner shell wall, the using amount of the bolts is reduced, the assembly process is simplified, the assembly efficiency is improved, the whole weight of the silencing device is reduced, and the production cost is reduced.

The utility model also provides another technical scheme: a gas water heater comprises the conveniently assembled silencing device.

The utility model also provides another technical scheme: a hanging stove, includes foretell silence device of being convenient for assemble.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a mute apparatus according to one embodiment of the present invention;

FIG. 2 is a schematic view of the two half-cartridge of FIG. 1 in a separated state;

fig. 3 is an exploded view of the noise silencer of fig. 1 for easy assembly;

FIG. 4 is a cross-sectional view of the silencing device of FIG. 1 in an easy-to-assemble configuration;

fig. 5 is another cross-sectional view of the silencing device of fig. 1, ready for assembly.

Description of the main element symbols:

10. a cylinder body; 11. a half cylinder shell; 111. a first cylinder wall; 112. a second cylinder wall; 113. a third cylinder wall; 114. a stage layer; 12. a first upper card slot; 13. a first lower card slot; 14. connecting a lug plate; 15. connecting the embedded lugs; 16. a second upper clamping part; 17. a second lower clamping part; 20. an inner housing wall; 21. a first shell wall; 211. a first upper clamping part; 212. a first lower engaging portion; 213. a connecting recess; 22. a second shell wall; 221. a second upper card slot; 222. a second lower card slot; 30. a sound-insulating chamber; 40. a combustion chamber; 50. an air inlet; 60. an air supply outlet; 70. and a locking member.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, preferred embodiments of which are illustrated in the accompanying drawings, wherein the drawings are provided for the purpose of visually supplementing the description in the specification and so forth, and which are not intended to limit the scope of the utility model.

In the description of the present invention, the meaning of a plurality is two or more, and greater than, less than, more than, etc. are understood as excluding the number, and greater than, less than, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can be detachably connected and can be integrally formed; may be a mechanical connection; either internal to the two elements or in an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Examples

Referring to fig. 1 to 5, a silencing apparatus convenient to assemble according to the present invention includes: a cylinder 10 which is vertically through; an inner shell wall 20 is arranged in the cylinder 10, and the inner shell wall 20 and the cylinder 10 are arranged at intervals and form a sound insulation cavity 30; the inner shell wall 20 encloses a combustion chamber 40;

a plurality of air inlets 50 are formed on the cylinder body 10, and the air inlets 50 are communicated with the sound insulation cavity 30; the inner shell wall 20 is provided with a plurality of air supply outlets 60, and the air supply outlets 60 are communicated with the sound insulation cavity 30 and the combustion chamber 40;

the cylinder 10 is connected with the inner shell wall 20 through a plurality of buckling structures.

In the utility model, the silencing device is arranged on a water heater or a wall-mounted furnace, the burner assembly is arranged below the silencing device, the heat exchange assembly and the fan are arranged above the silencing device, and flame generated by the burner is positioned in the combustion chamber 40. Through the sound insulation cavity 30, the loss of combustion heat is reduced, and the combustion sound is prevented from being transmitted to the outside of the barrel 10, so that the silencing effect is achieved. In addition, the cylinder 10 is provided with a plurality of air inlets 50, the inner shell wall 20 is provided with a plurality of air supply outlets 60, the air inlets 50 and the air supply outlets 60 are communicated with the sound insulation cavity 30, and air in the sound insulation cavity 30 flows and is sent out towards the combustion chamber 40 under the driving of air flow in the fan and the combustion chamber 40, so that heat of the cylinder 10 and the inner shell wall 20 can be taken away, the temperature of the silencing device is reduced, and the temperature rise is reduced. According to the utility model, the cylinder 10 and the inner shell wall 20 are connected through a plurality of buckle structures, bolts are not needed to lock the cylinder 10 and the inner shell wall 20, the using amount of the bolts is reduced, the assembly process is simplified, the assembly efficiency is improved, the whole weight of the silencing device is reduced, and the production cost is reduced.

The ratio of nitrogen oxides formed depends on the mixing ratio of fuel and air, combustion efficiency, locally higher combustion temperature of the combustion chamber 40, and the like. Air staged combustion technology is an effective method for reducing nitrogen oxide emission. I.e. the air required for combustion is fed in two stages. In the first stage, primary air is fed to the flame row of the main burner at the initial stage of combustion, and the amount of air fed from the main burner is reduced to 70-80% of the total combustion air amount, so that the fuel is first combusted under an oxygen-deficient fuel-rich combustion condition, and the reaction rate of NOx generation is reduced in a reducing atmosphere, thereby suppressing the amount of NOx generated in the combustion. In the second stage, in the later combustion stage, proper secondary air, also called over fire air, is supplied to the flame combustion area to make the unburnt fuel continuously burn, and the amount of generated NOx is limited, so that the emission of nitrogen oxides can be effectively reduced.

In the present invention, the air fed into the combustion chamber 40 from the sound-proof chamber 30 is used as secondary air, i.e. "overfire air", and the air staged combustion technology is used to reduce the local high temperature of the flame, so that the unburnt fuel in the combustion chamber 40 is continuously combusted, and the emission of nitrogen oxides is effectively reduced.

In this embodiment, the cross sections of the cylinder 10 and the inner casing wall 20 are rectangular; the cylinder body 10 comprises two [ -shaped semi-cylindrical shells 11, and the two semi-cylindrical shells 11 are arranged in a central symmetry manner; the inner shell wall 20 comprises two first shell walls 21 and two second shell walls 22, wherein the two first shell walls 21 are arranged oppositely, and the two second shell walls 22 are arranged oppositely;

a first shell wall 21 and a second shell wall 22 are mounted on one of the semi-cylindrical shells 11 through a plurality of buckling structures; the other first shell wall 21 and the other second shell wall 22 are arranged on the other half-cylinder shell 11 through a plurality of buckling structures; the two half-shells 11 are locked by means of locking members 70. First conch wall 21 and second conch wall 22 are pre-installed in half cartridge case 11 through buckle structure, and two half cartridge cases 11 of rethread retaining member 70 locking can be accomplished the equipment of silence device, except the retaining member 70 that is used for locking half cartridge case 11, need not reuse retaining member 70 such as extra bolt, simplify the equipment process, can effectively improve the packaging efficiency, and the production equipment of being convenient for reduces the whole weight of silence device.

Wherein the length of the first housing wall 21 is greater than the length of the second housing wall 22.

In some embodiments, in order to secure the first wall 21 and the second wall 22 mounted on the same half cartridge 11, a weld can be added at the connection point of the first wall 21 and the second wall 22.

In this embodiment, the upper and lower sides of the first shell wall 21 and the semi-cylindrical shell 11 are provided with transverse flanging structures which can abut against each other.

Specifically, a first upper clamping portion 211 and a first upper clamping groove 12 which are mutually matched are arranged above the first shell wall 21 and the semi-cylindrical shell 11; a first lower clamping portion 212 and a first lower clamping groove 13 which are mutually matched are arranged below the first shell wall 21 and the semi-cylindrical shell 11; the first upper card portion 211 can be inserted into the first upper card slot 12, and the first lower card portion 212 can be inserted into the first lower card slot 13. The first upper clamping portion 211, the first upper clamping groove 12, the first lower clamping portion 212 and the first lower clamping groove 13 can be used to fasten and lock the first housing wall 21 and the half-cylinder housing 11.

In this embodiment, a connection recess 213 is disposed above the first housing wall 21; a connecting lug 14 is arranged above the semi-cylindrical shell 11, and the connecting lug 14 can be folded and is abutted against the connecting concave part 213; the connecting recess 213 and the connecting tab 14 are provided with corresponding through holes. The first housing wall 21 can be further locked to the cartridge housing 11 by folding the connection tab 14 back against the connection recess 213. The connecting concave part 213 and the connecting lug 14 are provided with through holes which can be used for assembling and connecting bolts of a heat exchanger above the water heater or the wall-mounted furnace; the connecting bolt may further lock the connecting recess 213 with the connecting tab 14 during assembly.

Furthermore, the half-cylinder shell 11 is also provided with connecting embedded lugs 15, the height of the horizontal planes of the connecting embedded lugs 15 and the connecting lug plates 14 is different, and the connecting embedded lugs 15 are positioned at two transverse sides of the connecting lug plates 14; the connecting lug 14 can abut against the upper side of the transverse flanging of the first shell wall 21; the connection lug 15 can abut against the underside of the transverse flange of the first housing wall 21. The connecting lugs 15 and the connecting lugs 14 are arranged in a staggered manner and abut against two opposite sides of the transverse flanging of the first shell wall 21, so that the first shell wall 21 and the semi-cylindrical shell 11 can be further locked and fixed.

In this embodiment, a second upper clamping portion 16 and a second upper clamping groove 221 which are mutually matched are arranged above the second shell wall 22 and the semi-cylindrical shell 11; a second lower clamping part 17 and a second lower clamping groove 222 which are mutually matched are arranged below the second shell wall 22 and the semi-cylindrical shell 11; the second upper engaging portion 16 is engaged with the second upper engaging groove 221, and the second lower engaging portion 17 is engaged with the second lower engaging groove 222. The second upper clamping portion 16, the second upper clamping groove 221, the second lower clamping portion 17 and the second lower clamping groove 222 are used to quickly fasten and lock the second housing wall 22 and the half-cylinder housing 11.

In the present embodiment, the half cylinder 11 includes a first cylinder wall 111, a second cylinder wall 112 and a third cylinder wall 113; the second cylinder wall 112 and the third cylinder wall 113 are located at both ends of the first cylinder wall 111; the second cylinder wall 112 is provided with a step 114; the step layer 114 of one half cylinder shell 11 can extend into and abut against the third cylinder wall 113 of the other half cylinder shell 11; step 114 and third cylindrical wall 113 may be locked by locking member 70. The step layer 114 of the second cylinder wall 112 is attached to the third cylinder wall 113, and then locked by the locking member 70, so that the two half cylinder shells 11 can be locked and fixed.

The utility model also provides another technical scheme: a gas heater or hanging stove, includes foretell silence device of being convenient for assemble. Due to the fact that the mute device convenient to assemble is used, the barrel 10 and the inner shell wall 20 do not need to be locked through bolts, the using amount of the bolts is reduced, the assembling process is simplified, the assembling efficiency is improved, the overall weight of the mute device is reduced, and the production cost is reduced.

The present invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope of the present invention defined by the claims.

Claims

1. A device for facilitating assembly of a silencing apparatus, comprising: a cylinder (10) which is vertically through; an inner shell wall (20) is arranged in the cylinder body (10), and the inner shell wall (20) and the cylinder body (10) are arranged at intervals and form a sound insulation cavity (30); the inner shell wall (20) is enclosed to form a combustion chamber (40);

a plurality of air inlets (50) are formed in the barrel body (10), and the air inlets (50) are communicated with the sound insulation cavity (30); the inner shell wall (20) is provided with a plurality of air supply ports (60), and the air supply ports (60) are communicated with the sound insulation cavity (30) and the combustion chamber (40);

the cylinder (10) is connected with the inner shell wall (20) through a plurality of buckling structures.

2. The easy-to-assemble silencing apparatus of claim 1, wherein: the sections of the cylinder (10) and the inner shell wall (20) are arranged in a rectangular shape; the barrel (10) comprises two [ -shaped semi-barrel shells (11), and the two semi-barrel shells (11) are arranged in a central symmetry manner; the inner shell wall (20) comprises two first shell walls (21) and two second shell walls (22), the two first shell walls (21) are oppositely arranged, and the two second shell walls (22) are oppositely arranged;

-one of said first housing wall (21) and one of said second housing wall (22) are mounted to one of said cartridge halves (11) by means of a plurality of snap-fit formations; the other first shell wall (21) and the other second shell wall (22) are mounted on the other half-cylinder shell (11) through a plurality of buckling structures; the two half cylinder shells (11) are locked through a locking piece (70).

3. The easy-to-assemble mute apparatus as claimed in claim 2 wherein: the upper side and the lower side of the first shell wall (21) and the half-cylinder shell (11) are provided with transverse flanging structures which can be abutted against each other.

4. The easy-to-assemble silencing apparatus of claim 3, wherein: a first upper clamping part (211) and a first upper clamping groove (12) which are mutually matched are arranged above the first shell wall (21) and the semi-cylindrical shell (11); a first lower clamping part (212) and a first lower clamping groove (13) which are mutually matched are arranged below the first shell wall (21) and the semi-cylindrical shell (11); the first upper engaging portion (211) is engageable with the first upper engaging groove (12), and the first lower engaging portion (212) is engageable with the first lower engaging groove (13).

5. The easy-to-assemble mute apparatus as claimed in claim 3 wherein: a connecting concave part (213) is arranged above the first shell wall (21); a connecting lug (14) is arranged above the semi-cylindrical shell (11), and the connecting lug (14) can be folded and abutted against the connecting concave part (213); the connecting concave part (213) and the connecting lug piece (14) are provided with corresponding through holes.

6. The easy-to-assemble mute apparatus of claim 5 wherein: the semi-cylindrical shell (11) is further provided with connecting embedded lugs (15), the height of the horizontal plane where the connecting embedded lugs (15) and the connecting lugs (14) are located is different, and the connecting embedded lugs (15) are located on two transverse sides of the connecting lugs (14);

the connecting lug (14) can abut against the upper side of the transverse flanging of the first shell wall (21); the connecting lug (15) can be placed against the underside of a transverse flange of the first housing wall (21).

7. The easy-to-assemble silencing apparatus of claim 2, wherein: a second upper clamping part (16) and a second upper clamping groove (221) which are mutually matched are arranged above the second shell wall (22) and the semi-cylindrical shell (11); a second lower clamping part (17) and a second lower clamping groove (222) which are mutually matched are arranged below the second shell wall (22) and the semi-cylindrical shell (11); the second upper clamping portion (16) can be clamped into the second upper clamping groove (221), and the second lower clamping portion (17) can be clamped into the second lower clamping groove (222).

8. The easy-to-assemble silencing apparatus of claim 2, wherein: the semi-cylinder shell (11) comprises a first cylinder wall (111), a second cylinder wall (112) and a third cylinder wall (113); the second cylinder wall (112) and the third cylinder wall (113) are positioned at two ends of the first cylinder wall (111); the second cylinder wall (112) is provided with a step layer (114); the step layer (114) of one half cylinder shell (11) can extend into and abut against the third cylinder wall (113) of the other half cylinder shell (11); the step layer (114) and the third cylinder wall (113) can be locked by a locking piece (70).

9. A gas water heater is characterized in that: comprising the silencing device of any one of claims 1-8 for facilitating assembly.

10. The utility model provides a hanging stove which characterized in that: comprising the silencing device of any one of claims 1-8 for facilitating assembly.