CN211975173U - Low noise generator silence case - Google Patents

Abstract

The utility model discloses a low noise generator mute box, which belongs to the technical field of mute boxes, comprising a box body, the inner side of the box body is provided with a noise reduction component, and the outer side of the box body is provided with a heat radiation plate dismounting component, the utility model discloses a L-shaped rod of a fixed block is connected to the outer side in the inner part of the fixed plate in a running way, the fixed block is elastically connected with the fixed plate through a telescopic spring, the bottom end of the L-shaped rod runs through the scarf joint part of a connecting plate and a convex strip when the telescopic spring is in a natural state, and the structure can easily realize the dismounting and mounting of a heat radiation plate body by utilizing; the utility model discloses a slot inner wall bonding acoustic celotex board that has chiseled in the box lateral wall, inside packing have polyester fiber cotton and surface shape to set up the inboard at the acoustic celotex board for unsmooth wavy sound absorption layer, and the cylinder opening is fixed with the wedge that absorbs sound towards the inboard of the horn section of thick bamboo on sound absorption layer, and this kind of structure effectively realizes the absorption to the noise, and the silence effect can be optimized to the cooperation acoustic celotex board.

Description

Low noise generator silence case

Technical Field

The utility model belongs to the technical field of the silence case, concretely relates to low noise generator silence case.

Background

The mute box is mainly used as a main device for testing the acoustic noise level of small-volume electroacoustic components and electromechanical products. Such as speakers, microphones, small motors, etc. The sound-proof box is different from a sound-proof room in that the sound-proof box is small in size, light in weight, good in sound-proof effect, convenient to move and applicable to different occasions. Therefore, the manufacturing process and material selection of the sound box are very strict.

The prior art has the following problems: low noise generator silence case is exactly one of them, and the radiator plate body is all installed in the outside of general silence case, but common mounting means all utilizes the fixation nut bolt to fix or direct weld, and this kind of structure is not convenient for dismantle change or clearance to the radiator plate body, and conventional silence case only simply utilizes the acoustic celotex board to realize the silence function in addition, and the noise reduction effect is not the ideal.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a low noise generator silence case has dismantlement simple to operate, and the silence is effectual characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise generator silence case, includes the box, the inboard of box is provided with the subassembly of making an uproar that falls, and the outside of box is provided with heating panel dismantlement subassembly, heating panel dismantlement subassembly includes fixed plate, fixed block, the radiating plate body, connecting plate, expanding spring and L shape pole, wherein, the inboard of box is provided with the sand grip, and the inside fixed plate that is fixed with of lateral wall of box, the one end scarf joint of sand grip has the connecting plate, the lower extreme of connecting plate is fixed with the radiating plate body, the inside of fixed plate runs through there is L shape pole, and the lower extreme of fixed plate is connected with expanding spring, lower extreme one side of L shape pole is fixed with the.

Preferably, the fixing plate is elastically connected with the fixing block through a telescopic spring, and the lower end of the L-shaped rod penetrates through the scarf joint part of the connecting plate and the convex strip when the telescopic spring is in a natural state.

Preferably, the noise reduction assembly comprises a sound-absorbing wedge, a horn cylinder and a fixing strip, wherein the fixing strip is fixed on the inner side, close to the corner, of the inner wall of the box body, the horn cylinder is fixed at one end of the fixing strip, and the sound-absorbing wedge is fixed on the inner wall of the horn cylinder.

Preferably, the noise reduction assembly further comprises a sound insulation board and a sound absorption layer, wherein a hollow groove is formed in the side wall of the box body, the sound insulation board is arranged on the inner side wall of the hollow groove, and the sound absorption layer is connected to the outer side of the sound insulation board.

Preferably, the soundproof plate is adhered to an inner wall of the empty groove by 3M glue.

Preferably, the sound absorption layer is filled with polyester fiber cotton, and the outer surface of the sound absorption layer is in a concave-convex wave shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model fixes the fixed plate inside the side wall of the box body, the L-shaped rod with the outside connected with the fixed block penetrates through the fixed plate, the fixed block is elastically connected with the fixed plate through the telescopic spring, and the bottom end of the L-shaped rod runs through the scarf joint part of the connecting plate and the convex strip when the telescopic spring is in a natural state, and the structure can easily realize the disassembly and the installation of the heat dissipation plate body by utilizing the movement of the L-shaped rod;

2. the utility model discloses a slot inner wall bonding acoustic celotex board that has chiseled in the box lateral wall, inside packing have polyester fiber cotton and surface shape to set up the inboard at the acoustic celotex board for unsmooth wavy sound absorption layer, and the cylinder opening is fixed with the wedge that absorbs sound towards the inboard of the horn section of thick bamboo on sound absorption layer, and this kind of structure effectively realizes the absorption to the noise, and the silence effect can be optimized to the cooperation acoustic celotex board.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the noise reduction assembly of the present invention;

fig. 3 is a schematic structural view of the heat dissipating plate detaching assembly of the present invention;

fig. 4 is an exploded view of the heat sink detachment assembly of the present invention;

fig. 5 is a schematic side view of the heat dissipating plate removing assembly of the present invention;

in the figure: 1. a box body; 2. a noise reduction assembly; 21. a sound insulating board; 22. a sound absorbing layer; 23. a sound-absorbing wedge; 24. a horn; 25. a fixing strip; 3. the heat dissipation plate disassembling assembly; 31. a fixing plate; 32. a fixed block; 33. a heat dissipating plate body; 34. a connecting plate; 35. a tension spring; 36. an L-shaped rod; 4. an empty groove; 5. and (4) raised strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a low noise generator silence case, the power distribution box comprises a box body 1, the inboard of box 1 is provided with noise reduction assembly 2, and the outside of box 1 is provided with heating panel dismantlement subassembly 3, heating panel dismantlement subassembly 3 includes fixed plate 31, fixed block 32, the radiating plate body 33, connecting plate 34, expanding spring 35 and L shape pole 36, wherein, the inboard of box 1 is provided with sand grip 5, and the inside fixed plate 31 that is fixed with of lateral wall of box 1, the one end scarf joint of sand grip 5 has connecting plate 34, the lower extreme of connecting plate 34 is fixed with the radiating plate body 33, the inside of fixed plate 31 runs through there is L shape pole 36, and the lower extreme of fixed plate 31 is connected with expanding spring 35, lower extreme one side of L shape pole 36.

Specifically, the fixing plate 31 and the fixing block 32 are elastically connected by a telescopic spring 35, and the lower end of the L-shaped rod 36 penetrates through the engagement portion between the connecting plate 34 and the protruding strip 5 when the telescopic spring 35 is in a natural state.

Through adopting above-mentioned technical scheme, upwards remove L shape pole 36 along the spout that the box 1 outside set up, cooperation expanding spring 35's shrink makes L shape pole 36's bottom break away from the scarf joint part of connecting plate 34 with sand grip 5, then removes connecting plate 34, makes connecting plate 34 break away from sand grip 5, can easily realize like this the dismantlement to heat dissipation plate body 33.

Specifically, the noise reduction assembly 2 comprises a sound absorption wedge 23, a horn tube 24 and a fixing strip 25, wherein the fixing strip 25 is fixed on the inner side of the inner wall of the box body 1 close to the corner, the horn tube 24 is fixed at one end of the fixing strip 25, the sound absorption wedge 23 is fixed on the inner wall of the horn tube 24, and the cylindrical opening end of the horn tube 24 faces the sound absorption layer 22.

Through adopting above-mentioned technical scheme, realize the installation to the horn section of thick bamboo 24, the noise gets into in the horn section of thick bamboo 24 and is absorbed by sound absorption wedge 23.

Specifically, the noise reduction assembly 2 further comprises a sound insulation board 21 and a sound absorption layer 22, wherein a hollow groove 4 is chiseled in the side wall of the box body 1, the sound insulation board 21 is arranged on the inner side wall of the hollow groove 4, and the sound absorption layer 22 is connected to the outer side of the sound insulation board 21.

By adopting the technical scheme, the noise which is not absorbed by the sound-absorbing wedges 23 can enter the hollow groove 4 and be absorbed by the sound-absorbing layer 22.

Specifically, the baffle plate 21 is bonded to the inner wall of the hollow groove 4 by 3M glue.

By adopting the technical scheme, the installation of the sound insulation board 21 is realized.

Specifically, the sound absorbing layer 22 is filled with polyester fiber cotton, and the outer surface of the sound absorbing layer 22 is in a concave-convex wave shape.

Through adopting above-mentioned technical scheme, the polyester fiber cotton's of the inside packing of sound absorbing layer 22 inside is full of tiny space and half open structure, and the cooperation unsmooth wave structure can absorb a large amount of sound wave energy of penetrating into, plays the attenuation to the sound wave, reduces the interference of noise reflection.

The utility model discloses well sound absorption wedge 23 is the existing technique of disclosing, and the model of chooseing for use is the foam goods that the size can be customized is ysr-003 of size for the production of Dongguan's yangsrui industry limited company.

The utility model discloses a theory of operation and use flow: the utility model discloses when the clearance needs to be dismantled or the change to the radiating plate body 33 at the during operation, upwards remove L shape pole 36 along the spout that the box 1 outside set up, cooperation expanding spring 35's shrink makes L shape pole 36's bottom break away from the scarf joint part of connecting plate 34 with sand grip 5, then remove connecting plate 34, make connecting plate 34 break away from sand grip 5, can easily realize the dismantlement to radiating plate body 33 like this, when needing to install radiating plate body 33, mention L shape pole 36 upwards, scarf joint connecting plate 34 with sand grip 5 simultaneously, then loosen L shape pole 36, L shape pole 36 moves down to the scarf joint part of L shape pole 36's bottom through connecting plate 34 with sand grip 5 under the natural resilience of expanding spring 35, the installation to radiating plate body 33 has been realized like this promptly;

the utility model discloses can produce the noise when using, the noise is absorbed by sound absorption wedge 23 in getting into horn section of thick bamboo 24 at first, and not absorbed by sound absorption layer 22 in sound absorption wedge 23 absorptive noise can get into dead slot 4, because the cotton inside of polyester fiber who fills in sound absorption layer 22 is full of tiny space and half open structure, the unsmooth wave structure that the cooperation sound absorption layer 22 outside was equipped with can absorb a large amount of sound wave energy of penetrating into, play the attenuation to the sound wave, the interference of noise reduction reflection, the setting of cooperation acoustic celotex board 21 can be further the optimization effect of making an uproar of falling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a low noise generator silence case, includes box (1), its characterized in that: the inboard of box (1) is provided with noise reduction assembly (2), and the outside of box (1) is provided with heating panel dismantlement subassembly (3), heating panel dismantlement subassembly (3) are including fixed plate (31), fixed block (32), the radiating plate body (33), connecting plate (34), expanding spring (35) and L shape pole (36), wherein, the inboard of box (1) is provided with sand grip (5), and the inside fixed plate (31) that is fixed with of lateral wall of box (1), the one end scarf joint of sand grip (5) has connecting plate (34), the lower extreme of connecting plate (34) is fixed with the radiating plate body (33), the inside of fixed plate (31) is run through there is L shape pole (36), and the lower extreme of fixed plate (31) is connected with expanding spring (35), lower extreme one side of L shape pole (36) is fixed block (32).

2. The low noise generator mute box according to claim 1, wherein: the fixing plate (31) is elastically connected with the fixing block (32) through a telescopic spring (35), and the lower end of the L-shaped rod (36) penetrates through the embedding part of the connecting plate (34) and the protruding strip (5) when the telescopic spring (35) is in a natural state.

3. A low noise generator mute as claimed in claim 2, wherein: noise reduction unit (2) are including sound absorption wedge (23), horn section of thick bamboo (24) and fixed strip (25), wherein, the inboard that box (1) inner wall is close to the corner is fixed with fixed strip (25), the one end of fixed strip (25) is fixed with horn section of thick bamboo (24), the inner wall of horn section of thick bamboo (24) is fixed with sound absorption wedge (23).

4. A low noise generator mute as claimed in claim 3, wherein: noise reduction unit (2) still include acoustic celotex board (21) and sound absorbing layer (22), wherein, the inside dead slot (4) that is provided with of lateral wall of box (1), the inside wall of dead slot (4) is provided with acoustic celotex board (21), the outside of acoustic celotex board (21) is connected with sound absorbing layer (22).

5. The low noise generator mute box according to claim 4, wherein: the sound insulation board (21) is bonded on the inner wall of the empty groove (4) through 3M glue.

6. The low noise generator mute box according to claim 5, wherein: the sound absorption layer (22) is filled with polyester fiber cotton, and the outer surface of the sound absorption layer (22) is in a concave-convex wave shape.

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