Noise-reducing forced blowing type gas water heater

Abstract

A strong blowing type gas water heater capable of reducing noise comprises a bottom shell with a front opening and a front glass cover plate, an air inlet hole set is formed in the upper portion of a rear back plate of the bottom shell, the strong blowing type gas water heater further comprises a noise reduction air channel piece with a front opening and a lower opening, and the noise reduction air channel piece and the rear back plate are fixed to form an air inlet noise reduction channel with the lower opening. And the air inlet silencing channel is arranged at the rear part, then the air enters the bottom shell, and the air inlet silencing channel is used for silencing, so that the noise generated by inlet air is effectively reduced.

Description

Technical Field

[0001] The utility model relates to a gas water heater. Background Art

[0002] The existing technology at present is a strong drum type gas water heater, which includes a bottom shell, a front glass cover, a fan, a burner and a heat exchanger. The problem is that the air intake and the combustion of the burner generate a lot of noise. Utility Model Content

[0003] The utility model aims to provide a strong drum type gas water heater with noise reduction, which overcomes the defect of noise in the prior art.

[0004] The utility model is realized as follows: a noise-reducing strong drum gas water heater comprises a bottom shell with a front opening and a front glass cover plate, and its special feature is that an air inlet hole group is provided on the upper part of the back plate of the bottom shell,

[0005] It also includes front opening and lower opening sound-absorbing air duct parts.

[0006] The silencer air duct component is fixed to the back plate to form an air inlet silencer channel with a lower opening.

[0007] The noise-reducing strong-drum gas water heater is special in that it also includes a silencer sheet, which is arranged on the back plate of the silencer air duct component.

[0008] The noise-reducing strong drum gas water heater is special in that: the muffler comprises a seat plate, a plurality of base plates and an arc-shaped muffler body connected to the base plates, and a muffler edge plate is provided on the top of the base plates and the arc-shaped muffler body;

[0009] The seat plate and the base plate are fixed to the back plate of the sound-absorbing air duct component, and the suspended end of the arc-shaped sound-absorbing sheet body is fitted to the back plate of the sound-absorbing air duct component.

[0010] The noise-reducing strong-drum gas water heater is special in that the base plate and the arc-shaped sound-absorbing plate are arranged symmetrically with the seat plate as a reference.

[0011] The noise-reducing strong-drum gas water heater is special in that the air inlet holes in the air inlet hole group are distributed in a matrix, an air inlet cavity and an upper air outlet are provided on the air inlet holes, and the circumferential wall plate of the air inlet cavity is in a surface shape.

[0012] The noise-reducing strong-drum gas water heater is special in that sound insulation cotton is arranged on the front glass cover.

[0013] The noise-reducing strong-drum gas water heater is special in that a countersunk hole is arranged on the front opening of the bottom shell, a rubber sealing strip is arranged in the countersunk hole, and the front glass cover plate is fitted and sealed with the rubber sealing strip.

[0014] The noise-reducing strong-drum gas water heater is special in that: a hollow protrusion with a front opening is provided on the back plate of the bottom shell.

[0015] The protrusion is plugged into and fixed to the sound-absorbing air duct component.

[0016] The utility model discloses a strong drum type gas water heater with noise reduction. An air inlet silencer channel is arranged at the rear part, and then the air enters into the bottom shell. The air inlet silencer channel performs silence, thereby effectively reducing the noise generated by the air inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional view of the utility model.

[0018] Figure 2 It is one of the three-dimensional exploded views of the utility model.

[0019] Figure 3 This is the second three-dimensional exploded view of the present utility model.

[0020] Figure 4 This is the third three-dimensional exploded view of the present utility model.

[0021] Figure 5 This is the fourth three-dimensional exploded view of the present invention. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 , Figure 2 As shown, a noise-reducing strong drum gas water heater comprises a bottom shell 1 with a front opening and a front glass cover plate 2. An air inlet hole group 11 is provided on the upper part of the back plate of the bottom shell 1.

[0025] It also includes a sound-absorbing air duct member 3 with a front opening and a lower opening.

[0026] The silencer air duct member 3 is fixed to the rear plate of the bottom shell 1 to form an air inlet silencer channel with a lower opening, and the air inlet hole group 11 is located in the air inlet silencer channel.

[0027] As a further improvement of the utility model: it also includes a silencer sheet 4, which is arranged on the back plate of the silencer air duct member 3;

[0028] The muffler plate 4 comprises a seat plate 41, a plurality of base plates 42 and an arc-shaped muffler plate body 43 connected to the base plates, and a muffler edge plate 44 is provided on the top of the base plates 42 and the arc-shaped muffler plate body 43;

[0029] The seat plate 41 and the base plate 42 are fixed to the rear plate of the sound-absorbing air duct component 3 , and the suspended end of the arc-shaped sound-absorbing plate body 43 is attached to and fixed to the rear plate of the sound-absorbing air duct component 3 .

[0030] As a further improvement of the utility model: Figure 5 As shown, the base plate 42 and the arc-shaped sound-absorbing plate 43 are arranged symmetrically with respect to the seat plate 41 .

[0031] like Figure 4 As shown, the air inlet holes 12 in the air inlet hole group 11 are distributed in a determinant manner, and an air inlet cavity 121 and an upper air outlet 122 are provided on the air inlet hole 12, and the circumferential wall plate of the air inlet cavity 121 is in a surface shape.

[0032] As a further improvement of the present invention: a sound insulation cotton 21 is provided on the front glass cover plate 2 to effectively prevent the noise generated by the fan and the burner from being transmitted outward.

[0033] As a further improvement of the present invention: a countersunk hole 13 is provided on the front opening of the bottom shell 1, a rubber sealing strip 4 is provided in the countersunk hole 13, and the front glass cover plate 2 is fitted and sealed with the rubber sealing strip 4 to prevent noise from being transmitted outward.

[0034] As an improvement of the present invention: a protrusion 14 with a hollow front opening is provided on the back plate of the bottom shell 1.

[0035] The protrusion 14 is plugged and fixed to the silencer air duct member 3, and can be connected by welding, riveting or screws.

[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A noise-reducing strong drum gas water heater, comprising a bottom shell with a front opening and a front glass cover, characterized in that: An air inlet group is provided on the upper part of the back plate of the bottom shell. It also includes front opening and lower opening sound-absorbing air duct parts. The silencer air duct component is fixed to the back plate to form an air inlet silencer channel with a lower opening.

2. A noise-reducing strong-drum gas water heater according to claim 1, characterized in that: It also includes a sound-absorbing sheet, which is arranged on the back plate of the sound-absorbing air duct component.

3. A noise-reducing strong-drum gas water heater according to claim 2, characterized in that: The muffler sheet comprises a seat plate, a plurality of base plates and an arc-shaped muffler sheet body connected to the base plates, and a muffler edge plate is arranged on the top of the arc-shaped muffler sheet body; The seat plate and the base plate are fixed to the back plate of the sound-absorbing air duct component, and the suspended end of the arc-shaped sound-absorbing sheet body is fitted to the back plate of the sound-absorbing air duct component.

4. A noise-reducing strong-drum gas water heater according to claim 3, characterized in that: The base plate and the arc-shaped sound-absorbing plate are arranged symmetrically with respect to the seat plate.

5. A noise-reducing strong-drum gas water heater according to claim 1, characterized in that: The air inlet holes in the air inlet hole group are distributed in a determinant manner, an air inlet cavity and an upper air outlet are arranged on the air inlet holes, and a circumferential wall plate of the air inlet cavity is in a surface shape.

6. A noise-reducing strong-drum gas water heater according to claim 1, characterized in that: The front glass cover is provided with sound insulation cotton.

7. A noise-reducing strong-drum gas water heater according to claim 6, characterized in that: A countersunk hole is arranged on the front opening of the bottom shell, a rubber sealing strip is arranged in the countersunk hole, and the front glass cover plate is fitted and sealed with the rubber sealing strip.

8. A noise-reducing strong-drum gas water heater according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that: The back plate of the bottom shell is provided with a protrusion with a hollow front opening. The protrusion is plugged into and fixed to the sound-absorbing air duct component.

Images