CN210374087U - Air inlet structure and gas water heater - Google Patents

Abstract

The utility model provides an air intake structure, gas heater. The air inlet structure comprises a water heater shell, an air inlet is formed in the water heater shell, and a silencing part is arranged at the air inlet to attenuate the level of the noise in the water heater shell transmitted through the air inlet. According to the utility model discloses an air intake structure, gas heater set up the amortization part through air intake department, reduce the noise when water heater moves, improve user's comfort level.

Description

Air inlet structure and gas water heater

Technical Field

The utility model belongs to the technical field of gas heater makes, concretely relates to air intake structure, gas heater.

Background

Along with the improvement of the living standard of people, the requirement of users on the silence of the gas water heater is higher and higher. For the forced-ventilated water heater, the air inlet structure of the existing product is formed by directly forming a plurality of through holes in the back plate of the shell of the existing product, and air enters the whole machine through the through holes to supply air for combustion. Although the structure is simple in design and low in manufacturing cost, the internal noise generated during the operation noise of the water heater is transmitted to a user side due to the fact that the through holes directly penetrate through the inner side and the outer side of the shell and necessary noise reduction measures are lacked, the operation noise of the water heater is large, and the after-sale feedback satisfaction degree is not high.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide an air intake structure, gas heater sets up the amortization part through air intake department, reduces the noise when the water heater moves, improves user's comfort level.

In order to solve the problem, the utility model provides an air intake structure, including the water heater shell, be constructed with the air intake on the water heater shell, air intake department is provided with the amortization part, with the decay water heater shell internal noise via the grade that the air intake was propagated.

Preferably, the silencing part comprises a pipe body, an opening at one end of the pipe body is communicated with the air inlet, and an opening at the other end of the pipe body is positioned on the inner side of the water heater shell.

Preferably, the pipe body has a rectifying and noise reducing section.

Preferably, the rectifying and noise reducing section comprises a plurality of protruding points arranged at intervals, and the plurality of protruding points arranged at intervals are located on the inner peripheral wall of the pipe body and extend towards the axial direction of the pipe body.

Preferably, the pipe body further has a sound absorbing and noise reducing section.

Preferably, the sound absorbing and noise reducing section comprises sound absorbing cotton, and the sound absorbing cotton is connected to the inner side peripheral wall of the pipe body in a surrounding mode.

Preferably, a filtering piece is arranged in the hollow channel of the tube body; and/or, the body includes first semi-wall body, second semi-wall body, first semi-wall body with second semi-wall body is connected and is formed the body.

Preferably, the filter element is detachably connected to the opening at one end; and/or the first half wall body is connected with the second half wall body in a buckling mode.

Preferably, the pipe body includes first straight tube, arc return bend, the second straight tube that connects gradually, just the both ends of arc return bend respectively with first straight tube, second straight tube are tangent.

The utility model also provides a gas heater, including foretell air intake structure.

The utility model provides a pair of air intake structure, gas heater, through the air intake sets up the amortization part to can be with the source derivation in the inside noise of water heater shell attenuates, and this noise propagation that has prevented that the air intake structure of a plurality of through-holes among the prior art from bringing does not have the problem of treatment measure, has reduced the noise level when the water heater moves, has improved user's comfort level, has reduced the after sale complaint rate of product.

Drawings

Fig. 1 is a schematic structural diagram of an air inlet structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of the silencer component of FIG. 1;

fig. 3 is an airflow direction schematic diagram of an air intake structure according to an embodiment of the present invention.

The reference numerals are represented as:

1. a water heater housing; 2. a sound deadening member; 21. a pipe body; 211. salient points; 212. sound-absorbing cotton; 213. a filter member; 214. a first sidewall body; 215. a second half-wall body; 216. a first straight pipe; 217. an arc-shaped bent pipe; 218. a second straight pipe; 31. a hook is clamped; 32. a clamping groove.

Detailed Description

Referring to fig. 1 to 3 in combination, according to an embodiment of the present invention, an air intake structure is provided, which includes a water heater housing 1, an air intake is configured on the water heater housing 1, and a silencing component 2 is disposed at the air intake to attenuate a level of internal noise of the water heater housing 1 propagating through the air intake. In the technical scheme, the air inlet is provided with the silencing part 2, so that noise from the inside of the water heater shell 1 can be attenuated, the problem that no treatment measures are caused by noise transmission caused by the air inlet structures of the through holes in the prior art is solved, the noise level of the water heater during operation is reduced, the comfort level of a user is improved, and the after-sale complaint rate of a product is reduced.

As a specific form of the silencer component 2, it is preferable that the silencer component 2 includes a pipe body 21, one end opening of the pipe body 21 is communicated with the air inlet, and the other end opening of the pipe body 21 is located inside the water heater casing 1, that is, the silencer component 2 is formed by the pipe body 21 having a very simple structure, and a tubular wall body of the pipe body 21 physically isolates noise inside the water heater casing 1.

Further, the pipe body 21 is provided with a rectifying and noise reducing section which can arrange and guide the flow direction of the air inlet flow, so that the air inlet flow flows more smoothly, and the air flow noise generated by turbulent flow can be reduced. Specifically, the rectifying and noise reducing section comprises a plurality of salient points 211 arranged at intervals, the salient points 211 arranged at intervals are positioned on the inner side peripheral wall of the pipe body 21 and extend towards the axis direction of the pipe body 21, and the salient points 211 are arranged to rectify air flow concentrated in transition, so that air flow turbulence is further eliminated, and air flow noise generated at an air inlet due to air flow concentrated in transition is effectively reduced.

Still further, body 21 still has the section of making an uproar of inhaling, inhale the sound with the section of making an uproar of falling along the flow direction of air inlet flow sets gradually, with right the inside noise of water heater shell 1 is absorbed, and is concrete, inhale the section of making an uproar of inhaling is including inhaling sound cotton 212, inhale sound cotton 212 encircle connect in on the inboard perisporium of body 21, inhale and have a great deal of tiny aperture on the sound cotton 212, can absorb the noise of different frequencies.

Be provided with in the hollow passage of body 21 and filter piece 213 for example adopt the great filter screen of mesh number, it is best, filter piece 213 detachable connect in one end opening part, for example, filter piece 213 threaded connection in one end opening part, filter the impurity that sets up in the piece 213 can be to the air inlet flow and filter, and the noise of pure air and gas burning is lower.

The pipe body 21 can be integrally formed by casting, and preferably, the pipe body 21 includes a first half-wall body 214 and a second half-wall body 215, the first half-wall body 214 is connected with the second half-wall body 215 to form the pipe body 21, for example, the first half-wall body 214 and the second half-wall body 215 are respectively provided with a hook 31 and a slot 32 which can be mutually fastened, so that the first half-wall body 214 and the second half-wall body 215 can be fastened and connected conveniently and quickly.

As shown in fig. 1 to 3, the pipe body 21 includes a first straight pipe 216, an arc-shaped bent pipe 217, and a second straight pipe 218 connected in sequence, and both ends of the arc-shaped bent pipe 217 are tangent to the first straight pipe 216 and the second straight pipe 218, that is, the pipe body 21 is in the form of a bent pipe having a right-angle corner, and the pipe body 21 in the form of a bent pipe can further prevent noise inside the water heater shell 1 from being transmitted to a user side through the air inlet.

By adopting the air inlet structure, when the gas water heater operates, compared with the existing forced-ventilated type gas water heater, the noise level can be reduced by 5-10 dB.

According to the utility model discloses an embodiment still provides a gas heater, including foretell air intake structure.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an air intake structure, includes water heater shell (1), the structure has the air intake on water heater shell (1), its characterized in that, air intake department is provided with amortization part (2) to the decay water heater shell (1) internal noise is through the grade that the air intake propagated.

2. The intake vent structure according to claim 1, wherein the sound deadening member (2) includes a pipe body (21), one end of the pipe body (21) opens to communicate with the intake vent, and the other end of the pipe body (21) opens to an inside of the water heater case (1).

3. The intake structure according to claim 2, wherein the pipe body (21) has a rectifying and noise reducing section.

4. The air inlet structure according to claim 3, wherein the rectifying and noise reducing section comprises a plurality of protruding points (211) arranged at intervals, and the plurality of protruding points (211) arranged at intervals are arranged on the inner peripheral wall of the pipe body (21) and extend towards the axial direction of the pipe body (21).

5. The intake structure according to claim 3, wherein the pipe body (21) further has a sound absorbing and noise reducing section.

6. The air intake structure according to claim 5, wherein the sound absorbing and noise reducing section comprises sound absorbing cotton (212), and the sound absorbing cotton (212) is connected to the inner peripheral wall of the pipe body (21) in a surrounding manner.

7. The intake structure according to claim 2, wherein the hollow passage of the tubular body (21) is provided with a filter member (213); and/or, the pipe body (21) comprises a first half-wall body (214) and a second half-wall body (215), and the first half-wall body (214) and the second half-wall body (215) are connected to form the pipe body (21).

8. The intake structure according to claim 7, wherein the filter member (213) is detachably attached to the one-end opening; and/or the first half-wall (214) and the second half-wall (215) are connected in a snap fit manner.

9. The air inlet structure according to claim 2, characterized in that the pipe body (21) comprises a first straight pipe (216), an arc-shaped bent pipe (217) and a second straight pipe (218) which are connected in sequence, and two ends of the arc-shaped bent pipe (217) are tangent to the first straight pipe (216) and the second straight pipe (218), respectively.

10. A gas water heater comprising an air inlet structure, wherein the air inlet structure is as claimed in any one of claims 1 to 9.

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