CN214304047U

CN214304047U - High strength petrol generator frame

Info

Publication number: CN214304047U
Application number: CN202023210739.5U
Authority: CN
Inventors: 诸敏君
Original assignee: Hangzhou Dongte Metal Products Co ltd
Current assignee: Hangzhou Dongte Metal Products Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a high strength gasoline engine generator frame, be equipped with the inner chamber in the shells inner wall, one side is equipped with the amortization module in the inner chamber, the amortization module includes amortization pad one, honeycomb panel and amortization pad two, amortization pad one comprises fibre layer one and fibre layer two, two fibre layer one will including the fibre layer two is wrapped up in, be equipped with the amortization sponge in the honeycomb panel, amortization pad two includes outer amortization layer and interior amortization layer, outer amortization layer will including interior amortization layer parcel. Has the advantages that: the first silencing pad is of a sandwich structure, due to the existence of a boundary surface of the sandwich structure, the sound wave is diffracted in the internal transmission process of the first silencing pad, the sound energy is gradually dissipated, meanwhile, the polyester short fiber layer effectively increases the air in the material, the sound wave is continuously rubbed with the surrounding air in the internal transmission process of the material, and the loss of the sound energy is increased.

Description

High strength petrol generator frame

Technical Field

The utility model relates to an engine technical field particularly, relates to a high strength petrol generator frame.

Background

The generator housing is a tool for protecting the generator, but the existing generator housing on the market today often does not have a heat-resistant flame-retardant function, and the ordinary generator housing does not have a function of attenuating noise.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a high strength petrol generator frame to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a high-strength gasoline generator outer frame comprises an inner cavity arranged in a shell inner wall, wherein a silencing module is arranged on one side in the inner cavity and comprises a silencing pad I, a honeycomb plate and a silencing pad II, the silencing pad I consists of a fiber layer I and a fiber layer II, the fiber layer I wraps the fiber layer II, silencing sponge is arranged in the honeycomb plate, the silencing pad II comprises an outer silencing layer and an inner silencing layer, the inner silencing layer is wrapped by the outer silencing layer, a plurality of pressing devices are arranged on the other side in the inner cavity and comprise springs, an extrusion plate is arranged on the other side of each spring and is extruded together with the silencing pad II, a fireproof layer is arranged on the outer surface of the shell and comprises an ammonium polyphosphate flame-retardant layer, a carbon fiber flame-retardant layer is arranged below the ammonium polyphosphate flame-retardant layer, and a glue-coated layer is arranged below the carbon fiber layer, and a phenolic resin filling layer is arranged below the flame-retardant gluing layer, and a glass magnesium layer is arranged below the phenolic resin filling layer.

Preferably, the spring is a compression spring, and spring washers are arranged at two ends of the spring.

Preferably, the first fiber layer is a polyester fiber layer, and the second fiber layer is a polyester staple fiber layer.

Preferably, the outer sound-deadening layer is a polypropylene melt-blown nonwoven material, and the inner sound-deadening layer is a polyester melt-blown nonwoven material.

Preferably, the ammonium polyphosphate flame-retardant layer, the carbon fiber layer, the flame-retardant gluing layer, the phenolic resin filling layer and the glass magnesium layer are pressed together.

Preferably, the honeycomb panel is made of a stainless steel material.

The utility model has the advantages that: the silencing pad I is of a sandwich structure, due to the existence of the interface of the sandwich structure, the sound wave is diffracted in the internal transmission process of the silencing pad I, the sound energy is gradually dissipated, meanwhile, the polyester short fiber layer effectively increases the air in the material, the sound wave is continuously rubbed with the surrounding air in the internal transmission process of the material, and the loss of the sound energy is increased; when a sound source is incident from the out-of-plane sound-absorbing layer with lower gram weight, the sound absorption performance of the combined structure under a low frequency band is obviously improved; the glass magnesium layer and the flame-retardant gluing layer have the performances of fire prevention, flame retardance and environmental protection; the phenolic resin filling layer has high bonding chemical activity, good thermal stability and good insulating property, and can prevent fire, resist high temperature and prevent static electricity; the carbon fiber layer can resist high temperature; the ammonium polyphosphate flame-retardant layer has the characteristics of no toxicity, no odor, no generation of corrosive gas, low hygroscopicity and high thermal stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a general structure of a high-strength gasoline generator frame according to an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of the housing of the high-strength gasoline generator outer frame according to the embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a high-strength silencing pad of a gasoline engine generator frame according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a honeycomb panel structure of a high-strength gasoline generator outer frame according to an embodiment of the present invention;

FIG. 5 is a schematic view of the internal structure of a silencing pad II of the outer frame of a high-strength gasoline engine generator according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a fireproof layer structure of a high-strength gasoline generator outer frame according to an embodiment of the present invention.

In the figure:

1. a housing; 2. an inner cavity; 3. a first silencing pad; 4. a honeycomb panel; 5. a silencing pad II; 6. a first fiber layer; 7. a second fiber layer; 8. a sound-deadening sponge; 9. an outer sound damping layer; 10. an inner silencing layer; 11. a pressing plate; 12. A spring; 13. a fire barrier layer; 14. an ammonium polyphosphate flame retardant layer; 15. a carbon fiber layer; 16. flame-retardant gluing layer; 17. a phenolic resin filling layer; 18. a glass-magnesium layer.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a high strength petrol generator frame.

Embodiment one, as shown in fig. 1 to 6, a high-strength gasoline engine generator outer frame according to an embodiment of the present invention includes a housing 1, an inner cavity 2 is formed in an inner wall of the housing 1, a silencing module is disposed on one side in the inner cavity 2, the silencing module includes a first silencing pad 3, a cellular board 4 and a second silencing pad 5, the first silencing pad 3 is composed of a first fiber layer 6 and a second fiber layer 7, the first fiber layer 6 wraps the second fiber layer 7, a silencing sponge 8 is disposed in the cellular board 4, the second silencing pad 5 includes an outer silencing layer 9 and an inner silencing layer 10, the outer silencing layer 9 wraps the inner silencing layer 10, a plurality of pressing devices are disposed on the other side in the inner cavity 2, each pressing device includes a spring 12, a pressing plate 11 is disposed on the other side of the spring 12, the pressing plate 11 and the second silencing pad 5 are pressed together, the outer surface of the shell 1 is provided with a fireproof layer 13, the fireproof layer 13 comprises an ammonium polyphosphate flame-retardant layer 14, a carbon fiber layer 15 is arranged below the ammonium polyphosphate flame-retardant layer 14, a flame-retardant glue coating layer 16 is arranged below the carbon fiber layer 15, a phenolic resin filling layer 17 is arranged below the flame-retardant glue coating layer 16, and a glass magnesium layer 18 is arranged below the phenolic resin filling layer 17.

In the second embodiment, the spring 12 is a compression spring, and spring washers are disposed at both ends of the spring 12. It can be seen from the above design that the service life of the spring 12 is improved by the design of the spring washer.

In the third embodiment, the first fiber layer 6 is a polyester fiber layer, and the second fiber layer 7 is a polyester staple fiber layer. The design shows that the silencing pad I3 is of a sandwich structure, due to the existence of the interface of the sandwich structure, the sound waves are diffracted in the internal transmission process of the silencing pad I3, the sound energy is gradually dissipated, meanwhile, the air in the material is effectively increased by the polyester short fiber layer, the sound waves are continuously rubbed with the surrounding air in the internal transmission process of the material, and the loss of the sound energy is increased.

In the fourth embodiment, the outer sound-deadening layer 9 is a polypropylene melt-blown nonwoven material, and the inner sound-deadening layer 10 is a polyester melt-blown nonwoven material. It can be seen from the above design that when a sound source is incident from the out-of-plane sound-damping layer 9 with a lower grammage, the sound absorption performance of the composite structure at low frequency band is significantly improved.

In the fifth embodiment, the ammonium polyphosphate flame-retardant layer 14, the carbon fiber layer 15, the flame-retardant glue-coated layer 16, the phenolic resin filling layer 17 and the glass magnesium layer 18 are pressed together, and the honeycomb plate 4 is made of a stainless steel material. As can be seen from the above-described design, the fire-retardant layer 13 is pressed together by means of a press fit.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In summary, with the aid of the technical solution of the present invention, the silencing pad 3 is of a sandwich structure, and due to the existence of the interface of the sandwich structure itself, the sound wave is diffracted in the internal propagation process of the silencing pad 3, and the sound energy is gradually dissipated, meanwhile, the polyester staple fiber layer effectively increases the air inside the material, so that the sound wave continuously rubs with the surrounding air in the internal propagation process of the material, and the loss of the sound energy is increased; when a sound source enters from the out-of-plane sound-absorbing layer 9 with lower gram weight, the sound absorption performance of the combined structure under a low frequency band is obviously improved; the glass magnesium layer 18 and the flame-retardant glue coating layer 16 have fireproof, flame-retardant and environment-friendly properties; the phenolic resin filling layer 17 has high bonding chemical activity, good thermal stability and good insulating property, and can prevent fire, resist high temperature and prevent static electricity; the carbon fiber layer 15 can resist high temperature; the ammonium polyphosphate flame-retardant layer 14 has the characteristics of no toxicity, no odor, no generation of corrosive gas, low hygroscopicity and high thermal stability.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-strength gasoline generator outer frame is characterized by comprising a shell (1), wherein an inner cavity (2) is arranged in the inner wall of the shell, a silencing module is arranged on one side in the inner cavity (2), the silencing module comprises a first silencing pad (3), a cellular board (4) and a second silencing pad (5), the first silencing pad (3) consists of a first fiber layer (6) and a second fiber layer (7), the first fiber layer (6) wraps the second fiber layer (7), a silencing sponge (8) is arranged in the cellular board (4), the second silencing pad (5) comprises an outer silencing layer (9) and an inner silencing layer (10), the outer silencing layer (9) wraps the inner silencing layer (10), a plurality of pressing devices are arranged on the other side in the inner cavity (2), each pressing device comprises a spring (12), and a pressing plate (11) is arranged on the other side of each spring (12), the improved silencer is characterized in that the extrusion plate (11) and the silencing pad (5) are extruded together, a fireproof layer (13) is arranged on the outer surface of the shell (1), the fireproof layer (13) comprises an ammonium polyphosphate flame-retardant layer (14), a carbon fiber layer (15) is arranged below the ammonium polyphosphate flame-retardant layer (14), a flame-retardant glue coating layer (16) is arranged below the carbon fiber layer (15), a phenolic resin filling layer (17) is arranged below the flame-retardant glue coating layer (16), and a glass magnesium layer (18) is arranged below the phenolic resin filling layer (17).

2. A high strength gasoline engine generator outer frame as defined in claim 1, wherein said spring (12) is a compression spring, and both ends of said spring (12) are provided with spring washers.

3. The high-strength gasoline engine generator outer frame as claimed in claim 1, wherein the first fiber layer (6) is a polyester fiber layer, and the second fiber layer (7) is a polyester staple fiber layer.

4. The high-strength gasoline generator outer frame as claimed in claim 1, wherein the outer sound-deadening layer (9) is a polypropylene melt-blown nonwoven material, and the inner sound-deadening layer (10) is a polyester melt-blown nonwoven material.

5. A high strength gasoline engine generator outer frame according to claim 1, wherein the ammonium polyphosphate flame retardant layer (14), the carbon fiber layer (15), the flame retardant glue coating layer (16), the phenolic resin filling layer (17) and the glass magnesium layer (18) are pressed together.

6. A high strength gasoline engine generator outer frame as defined in claim 1, wherein said honeycomb plate (4) is made of stainless steel material.