CN209115896U - A kind of pedestal silencing case of diesel generating set - Google Patents

Abstract

The utility model discloses a kind of pedestal silencing cases of diesel generating set, including pedestal, the upper side wall of pedestal is fixedly installed with mute cover, the left and right sidewall of mute cover is symmetrically embedded with fixed cylinder, the inner sidewall of fixed cylinder offers annular groove, the inner sidewall of fixed cylinder is plugged with cylindrical drum, the structure that the utility model passes through mute cover, multiple reflections are carried out to the noise sound wave that the diesel generating set on pedestal issues, and absorb the energy in sound wave, greatly reduce the loudness of noise, realize mute effect, pass through cylindrical drum, fixed ring, spring, vegetable fibre board, the structure of annular sponge plate and perforated plate, air can be by circulating in cylindrical drum and mute cover body, promote heat dissipation, simultaneously in vegetable fibre board, under the action of annular sponge plate and perforated plate, greatly reduce the noise to shed from cylindrical drum , realizing neither influences heat dissipation, and can the mute effect of noise reduction.

Description

A kind of pedestal silencing case of diesel generating set

Technical field

The utility model relates to diesel-driven generator technical group field, specially a kind of pedestal of diesel generating set is mute Case.

Background technique

Diesel-driven generator is a kind of small power generation equipment, means with diesel oil etc. as fuel, drives by prime mover of diesel engine The dynamic power machine of electrical power generators, so many StoreFronts can all have diesel-driven generator, in case of need, and diesel-driven generator When in use, very big noise is often issued, influences the passerby of the people around to live and road, and people are in order to reducing Noise is often stamped the cover of sound insulation on the outside of diesel-driven generator, although doing so reduces noise, but can shadow The heat dissipation for ringing diesel-driven generator, uses for a long time, diesel-driven generator can be enabled to break down, if it is possible to design a kind of for diesel oil Generating set, the silencing case with ventilation and heat structure, so that it may problems are solved, for this purpose, it is proposed that a kind of diesel oil is sent out The pedestal silencing case of motor group.

Utility model content

The purpose of this utility model is to provide a kind of pedestal silencing cases of diesel generating set, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of pedestal of diesel generating set is mute Case, including pedestal, the upper side wall of the pedestal are fixedly installed with mute cover, and the left and right sidewall of the mute cover is symmetrically embedded in There is fixed cylinder, the inner sidewall of the fixed cylinder offers annular groove, and the inner sidewall of the fixed cylinder is plugged with cylindrical drum, described The lateral wall of cylindrical drum is fixedly installed with fixed ring, and fixed ring is located in annular groove, and the left and right sidewall of the fixed ring is equal It is fixedly installed with one end of spring, and the other end of spring is fixedly installed in the inner sidewall of annular groove, the inside of the cylindrical drum Wall is uniformly fixedly installed with vegetable fibre board, and the inner sidewall of the cylindrical drum is fixedly installed with annular sponge plate, the annular sea Perforated plate is fixedly installed between continuous plate and vegetable fibre board.

Preferably, the mute cover includes metal plate, and the inner sidewall of the metal plate is fixedly installed with the first cystosepiment, Viscous stick of the inner sidewall of first cystosepiment has the second cystosepiment, and the inner sidewall of second cystosepiment is fixedly installed with gypsum Plate, the inner sidewall of the plasterboard are fixedly installed with fixed plate, and viscous stick of the inner sidewall of the fixed plate has hard fibre thin plate.

Preferably, the inner sidewall of first cystosepiment and the lateral wall of the second cystosepiment symmetrically offer hemisphere Slot.

Preferably, the lateral wall of the plasterboard is uniformly provided with through-hole.

Preferably, the upper side wall of the pedestal offers rectangular channel, and the inner cavity lower wall of the rectangular channel is uniformly fixed to pacify Equipped with hollow rubber ball, the lateral wall upper end of the hollow rubber ball is fixedly installed with support plate.

Compared with prior art, the utility model has the beneficial effects that structure of the utility model by mute cover, right The noise sound wave that diesel generating set on pedestal issues carries out multiple reflections, and absorbs the energy in sound wave, greatly reduces The loudness of noise realizes mute effect, passes through cylindrical drum, fixed ring, spring, vegetable fibre board, annular sponge plate and perforation The structure of plate, air can promote heat dissipation, while in vegetable fibre board, ring by circulating in cylindrical drum and mute cover body Under the action of shape sponge plate and perforated plate, the noise to shed from cylindrical drum is greatly reduced, realizing neither influences heat dissipation, It again can the mute effect of noise reduction.

Detailed description of the invention

Fig. 1 is the main view cross-sectional view of the utility model.

Fig. 2 is the partial enlarged view of the part the utility model a.

Fig. 3 is the cross-sectional view of the structure of the mute cover of the utility model.

In figure: 1, pedestal, 2, mute cover, 201, metal plate, the 202, first cystosepiment, the 203, second cystosepiment, 204, Half ball groove, 205, plasterboard, 206, through-hole, 207, fixed plate, 208, hard fibre thin plate, 3, fixed cylinder, 4, annular groove, 5, circle Column casing, 6, fixed ring, 7, spring, 8, vegetable fibre board, 9, annular sponge plate, 10, rectangular channel, 11, hollow rubber ball, 12, branch Fagging, 13, perforated plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2 and Fig. 3 are please referred to, the utility model provides a kind of technical solution: a kind of pedestal of diesel generating set Silencing case, including pedestal 1, the upper side wall of pedestal 1 are fixedly installed with mute cover 2, can be by diesel generation by mute cover 2 The major part for the noise that unit issues carries out absorption noise reduction, and to reach mute effect, the left and right sidewall of mute cover 2 is symmetrically embedding Entering to have fixed cylinder 3, is enabled in mute cover 2 and being interlinked to the outside by fixed cylinder 3, the inner sidewall of fixed cylinder 3 offers annular groove 4, Gu The inner sidewall of safety barrel 3 is plugged with cylindrical drum 5, and cylindrical drum 5 can move axially in fixed cylinder 3, and the lateral wall of cylindrical drum 5 is solid Dingan County is equipped with fixed ring 6, and fixed ring 6 is located in annular groove 4, by the cooperation of fixed ring 6 and annular groove 4, to cylindrical drum 5 Position is defined, and the left and right sidewall of fixed ring 6 is fixedly installed with one end of spring 7, and the other end of spring 7 is fixedly mounted Spring 7 in the inner sidewall of annular groove 4, Fig. 2 is equilibrium state, is further limited by position of the spring 7 to cylindrical drum 5 It is fixed, while cushioning effect can be played to cylindrical drum 5, in addition, the appearance of noise is generated due to vibration, pass through 7 energy of spring It is enough that the vibration of noise at cylindrical drum 5 is weakened, and then achieve the effect that noise reduction, the inner sidewall of cylindrical drum 5 is uniformly fixed to pacify Equipped with vegetable fibre board 8, vegetable fibre board 8 is fine in medium-high frequency range sound absorbing performance, can reduce noise, cylindrical drum 5 it is interior Side wall is fixedly installed with annular sponge plate 9, and the porous structure of annular sponge plate 9 can effectively absorb sound, to reach noise reduction Effect, be fixedly installed with perforated plate 13 between annular sponge plate 9 and vegetable fibre board 8, perforated plate 13 be offered on plate it is more A aperture, this is resonance sound-absorbing structure, when cardinal principle is by acoustic vibration, can be resonated with it, and then by sound wave Energy offset is primarily adapted for use in the absorption of medium-high frequency sound wave, is finally reached the effect for reducing sound.

Specifically, mute cover 2 includes metal plate 201, metal plate 201 plays the role of supporting mute cover 2, gold The inner sidewall for belonging to plate 201 is fixedly installed with the first cystosepiment 202, and viscous stick of the inner sidewall of the first cystosepiment 202 has the second cystosepiment 203, the foam of the first cystosepiment 202 and the second cystosepiment 203 has the effect of noise reduction, the inside of the second cystosepiment 203 Wall is fixedly installed with plasterboard 205, and the inner sidewall of plasterboard 205 is fixedly installed with fixed plate 207, and fixed plate 207 plays auxiliary The effect of support, the inner sidewall of fixed plate 207 it is viscous it is glutinous have a hard fibre thin plate 208, fixed plate 207 firmly with hard fibre thin plate There are thin air layers for meeting between 208, and the cooperation of hard fibre thin plate 208 and thin air layer is for the absorption to low-frequency sound.

Specifically, the lateral wall of the inner sidewall of the first cystosepiment 202 and the second cystosepiment 203 symmetrically offers half Ball groove 204, symmetrical half ball groove 204 form a ball groove, can reduce acoustic wave energy repeatedly to sound reflection wherein, into And realize the effect of noise reduction.

Specifically, the lateral wall of plasterboard 205 is uniformly provided with through-hole 206,205 shape of plasterboard of through-hole 206 is opened up At resonance sound-absorbing structure, noise reduction effect can be reached with acoustic resonance.

Specifically, the upper side wall of pedestal 1 offers rectangular channel 10, the inner cavity lower wall of rectangular channel 10 is uniformly fixedly mounted There is hollow ball 11, the lateral wall upper end of hollow rubber ball 11 is fixedly installed with support plate 12, passes through 11 energy of hollow rubber ball The effect for enough playing damping plays the effect of shock-absorbing protecting to the diesel generating set in support plate 12.

Working principle: diesel generating set is placed in support plate 12 by the pedestal silencing case of this diesel generating set, and Mute cover 2 in 1 upper cover of pedestal can be by the sound of diesel generating set sending under the structure function of mute cover 2 itself Absorbed and weakened, greatly reduce the loudness of sound, achieve the effect that it is mute, meanwhile, the fixed cylinder on mute cover 2 3 with structure at cylindrical drum 5, ensure that the air circulation in outside in mute cover 2, the heat generated conducive to diesel generating set work Amount sheds, and can continue to work normally, while in 5 implants fiberboard 8 of cylindrical drum, annular sponge plate 9 and perforated plate Under the action of 13, the sound to shed from cylindrical drum 5 can be weakened significantly, achieved the effect that mute.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of pedestal silencing case of diesel generating set, it is characterised in that: including pedestal (1), the upper side wall of the pedestal (1) It is fixedly installed with mute cover (2), the left and right sidewall of the mute cover (2) is symmetrically embedded with fixed cylinder (3), the fixed cylinder (3) inner sidewall offers annular groove (4), and the inner sidewall of the fixed cylinder (3) is plugged with cylindrical drum (5), the cylindrical drum (5) lateral wall is fixedly installed with fixed ring (6), and fixed ring (6) is located in annular groove (4), a left side for the fixed ring (6) Right side wall is fixedly installed with one end of spring (7), and the other end of spring (7) is fixedly installed in the inner sidewall of annular groove (4), The inner sidewall of the cylindrical drum (5) is uniformly fixedly installed with vegetable fibre board (8), the fixed peace of the inner sidewall of the cylindrical drum (5) Equipped with annular sponge plate (9), perforated plate (13) are fixedly installed between the annular sponge plate (9) and vegetable fibre board (8).

2. a kind of pedestal silencing case of diesel generating set according to claim 1, it is characterised in that: the mute cover It (2) include metal plate (201), the inner sidewall of the metal plate (201) is fixedly installed with the first cystosepiment (202), and described first Viscous stick of the inner sidewall of cystosepiment (202) has the second cystosepiment (203), and the inner sidewall of second cystosepiment (203) is fixedly mounted Have plasterboard (205), the inner sidewall of the plasterboard (205) is fixedly installed with fixed plate (207), the fixed plate (207) Viscous stick of inner sidewall has hard fibre thin plate (208).

3. a kind of pedestal silencing case of diesel generating set according to claim 2, it is characterised in that: first foam The inner sidewall of plate (202) and the lateral wall of the second cystosepiment (203) symmetrically offer half ball groove (204).

4. a kind of pedestal silencing case of diesel generating set according to claim 2, it is characterised in that: the plasterboard (205) lateral wall is uniformly provided with through-hole (206).

5. a kind of pedestal silencing case of diesel generating set according to claim 1, it is characterised in that: the pedestal (1) Upper side wall offer rectangular channel (10), the inner cavity lower wall of the rectangular channel (10) is uniformly fixedly installed with hollow rubber ball (11), the lateral wall upper end of the hollow rubber ball (11) is fixedly installed with support plate (12).