Double-box type soundproof box

Abstract

The utility model relates to the field of soundproof boxes, and discloses a double-box soundproof box which can conveniently close a doorway and simplify operation steps. The device comprises an outer box body, the inner box body is arranged in the inner cavity of the outer box body; the door curtain is arranged between the inlet of the outer box body and the inlet of the inner box body, the door curtain is provided with a first sealing module, and the first sealing module is arranged around the inlet of the door curtain; the shielding door is rotatably arranged on the outer box body, the shielding door is provided with a second sealing module, the second sealing module is arranged around the inlet of the door curtain, the first sealing module abuts against the shielding door, and the second sealing module abuts against the door curtain.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sound insulation box, especially a double-box sound insulation box. BACKGROUND

[0002] At present, the sound insulation box used in the domestic acoustic test field has obvious deficiency in the low-frequency sound insulation performance. With the increasing demand for the precision design of sound and electricity products, the requirement for the low-frequency sound insulation performance of the sound insulation box is also higher and higher to meet the test standard of the production line. Because the penetration of sound at low frequency, such as 100Hz, cannot be effectively blocked by increasing the wall thickness of the box body, the traditional sound insulation box is often heavy and occupies a large space, and even so, its sound insulation and noise reduction effect can only reach 15dB to 40dB, which is difficult to meet the high-standard test requirement.

[0003] The existing double-box sound insulation box is usually composed of an outer box body and an inner box body, and the shielding doors of the inner and outer box bodies are respectively installed on the respective box bodies. This design needs to install multiple shielding doors, and these doors must be closed in sequence before starting work, which is complicated and cumbersome. SUMMARY

[0004] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a double-box sound insulation box, which can conveniently close the door opening and simplify the operation steps.

[0005] In one aspect, the double-box sound insulation box according to the utility model embodiment comprises:

[0006] an outer box body;

[0007] an inner box body arranged in the inner cavity of the outer box body;

[0008] a door curtain arranged between the entrance of the outer box body and the entrance of the inner box body, the door curtain being provided with a first sealing module, and the first sealing module being arranged around the entrance of the door curtain;

[0009] a shielding door rotatably arranged in the outer box body, the shielding door being provided with a second sealing module, the second sealing module being arranged around the entrance of the door curtain, the first sealing module abutting against the shielding door, and the second sealing module abutting against the door curtain.

[0010] According to some embodiments of the utility model, a damping structure is arranged between the outer box body and the inner box body.

[0011] According to some embodiments of the utility model, the damping structure comprises a plurality of damping columns, and the damping columns are respectively arranged on the plurality of faces of the inner box body and abut against the outer box body.

[0012] According to some embodiments of the present invention, the screen door is provided with the following features from outside to inside:

[0013] Door panels;

[0014] a first sound insulation layer capable of being inserted into the inlet of the outer box;

[0015] a second sound insulation layer, wherein the second sealing module is provided on the second sound insulation layer;

[0016] The third sound insulation layer can be inserted into the entrance of the inner box.

[0017] According to some embodiments of the present invention, the cross-sectional area of ​​the screen door decreases from the outside to the inside.

[0018] According to some embodiments of the present invention, a fourth sound insulation layer is further included, and the fourth sound insulation layer is arranged between the first sound insulation layer and the second sound insulation layer, or between the second sound insulation layer and the third sound insulation layer, and the first sealing module abuts against the fourth sound insulation layer.

[0019] According to some embodiments of the present invention, the door curtain has a stepped structure, and the fourth sound insulation layer and the second sound insulation layer respectively abut against different steps of the door curtain.

[0020] According to some embodiments of the present invention, the first sealing module includes at least one sealing strip.

[0021] According to some embodiments of the present invention, the door curtain is provided with a sealing gasket, and the second sealing module abuts against the sealing gasket.

[0022] According to some embodiments of the present invention, a door lock is further included, which includes a lock head and a lock catch, and the lock head and the lock catch can cooperate with each other. One of the lock head and the lock catch is provided on the shielding door, and the other is provided on the outer box body.

[0023] The embodiments of the present invention have at least the following beneficial effects:

[0024] By setting up a shielding door, two boxes can be closed at the same time, which is simple to operate and easy to use; a door curtain is set between the outer box and the inner box, and the door curtain separates the inner box from the outer box; after closing the shielding door, the shielding door can not only block the outer box and the inner box, but also abut the shielding door through the first sealing module, and the second sealing module abuts the door curtain. Two sealing modules are set on the door curtain, which can effectively reduce the sound transmission between the outer box and the inner box and prevent external sound interference; the first sealing module is set around the entrance of the door curtain, and the second sealing module is set around the entrance of the door curtain, so as to prevent external sound from being transmitted from any corner to the inner box, thereby improving the sound sealing.

[0025] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of embodiments of the present application, which will be described with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description of embodiments, given with reference to the following drawings:

[0027] Figure 1 Fig. 1 is a schematic diagram of the overall structure of a double-box soundproof box according to an embodiment of the present application;

[0028] Figure 2 Fig. 2 is a schematic diagram of the cross-sectional structure of a double-box soundproof box according to an embodiment of the present application;

[0029] Figure 3 Fig. 3 is a schematic diagram of the structure of a shielding door according to an embodiment of the present application;

[0030] Figure 4 Fig. 4 is a schematic diagram of the cross-sectional structure of a box body portion according to an embodiment of the present application.

[0031] Reference Signs:

[0032] Outer box body 100;

[0033] Inner box body 200;

[0034] Door curtain 300, first sealing module 310;

[0035] Shielding door 400, second sealing module 410, door panel 420, first soundproof layer 430, second soundproof layer 440, third soundproof layer 450, fourth soundproof layer 460;

[0036] Damping structure 500. DETAILED DESCRIPTION

[0037] The following will describe several embodiments of the present application, including the embodiments corresponding to the drawings. It should be understood that the drawings are used to assist in understanding the technical features and technical solutions of the present application, and should not be understood as limiting the scope of protection of the present application.

[0038] The following will describe the concept, specific structure and resulting technical effects of the present application in conjunction with embodiments and drawings, in order to fully understand the purpose, scheme and effects of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0039] It should be noted that, unless otherwise explicitly defined, when a certain feature is referred to as being "fixed", "connected", "installed" to another feature, it can be directly fixed, connected to the other feature, or indirectly fixed, connected to the other feature, and the words "fixed", "connected", "installed" and the like should be interpreted broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model in combination with the specific content of the technical solution.

[0040] It should be noted that the orientation or positional relationship described in the utility model is based on the orientation or positional relationship of the drawings or embodiments, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0041] It should be noted that the term "and / or" used in the utility model includes any combination of one or more related listed items, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. is not included in the number, above, below, within, etc. is understood to include the number.

[0042] It should be noted that in the utility model, if the first, second is described for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0043] It should be noted that, unless otherwise explicitly defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art. The terms used in the specification are only for the purpose of describing specific embodiments, and are not intended to limit the utility model.

[0044] Referring to Figures 1-4 , the first aspect of the utility model provides a double-box type sound insulation box, comprising:

[0045] The outer box body 100;

[0046] The inner box body 200 is arranged in the inner cavity of the outer box body 100;

[0047] The door curtain 300 is arranged between the entrance of the outer box body 100 and the entrance of the inner box body 200, and the door curtain 300 is provided with a first sealing module 310, and the first sealing module 310 is arranged around the entrance of the door curtain 300;

[0048] The shielding door 400 is rotatably arranged in the outer box body 100, and the shielding door is provided with a second sealing module 410 arranged around the entrance of the door curtain 300, the first sealing module 310 abuts against the shielding door 400, and the second sealing module 410 abuts against the door curtain 300.

[0049] According to the embodiments of the utility model, by so arranging, the following effects can be achieved: the shielding door 400 can be used to simultaneously close two box bodies, the operation is simple, and the shielding door is convenient to use; the door curtain 300 is arranged between the outer box body 100 and the inner box body 200, and the door curtain 300 separates the inner box body 200 and the outer box body 100; after the shielding door 400 is closed, the shielding door 400 can not only block the outer box body 100 and the inner box body 200, but also abut against the shielding door 400 through the first sealing module 310 and abut against the door curtain 300 through the second sealing module 410, two sealing modules are arranged on the door curtain 300, the sound transmission between the outer box body 100 and the inner box body 200 can be effectively reduced, and external sound interference can be prevented; the first sealing module 310 is arranged around the entrance of the door curtain 300, and the second sealing module 410 is arranged around the entrance of the door curtain 300, so that external sound can be prevented from being transmitted into the inner box body 200 from any corner, and the sound sealing property is improved.

[0050] In some embodiments, a damping structure 500 is arranged between the outer box body 100 and the inner box body 200. The damping structure 500 can effectively reduce the vibration transmitted from the outer box body 100 to the inner box body 200, reduce the interference of the outer box body 100 on the inner box body 200, and improve the sound insulation effect.

[0051] In some embodiments, the damping structure 500 includes a plurality of damping columns, and the damping columns are respectively arranged on a plurality of surfaces of the inner box body 200 and abut against the outer box body 100. The plurality of damping columns are respectively connected to different surfaces of the inner box body 200 and the outer box body 100, support the inner box body 200, effectively reduce the vibration transmitted from the outer box body 100 to the inner box body 200, reduce the interference of the outer box body 100 on the inner box body 200, and improve the sound insulation effect.

[0052] Further, the damping columns are made of elastic material or are springs.

[0053] In some embodiments, the shielding door 400 is sequentially provided with, from outside to inside:

[0054] a door plate 420;

[0055] a first sound insulation layer 430 capable of being inserted into the entrance of the outer box body 100;

[0056] a second sound insulation layer 440, and the second sealing module 410 is arranged on the second sound insulation layer 440;

[0057] The third sound insulation layer 450 can be inserted into the entrance of the inner box 200.

[0058] In this arrangement, by arranging multiple sound insulation layers, each sound insulation layer is inserted into a different position, so that the outer box 100, the door curtain 300, and the outer box 100 can be closed by the shielding door 400.

[0059] In some embodiments, the cross-sectional area of the shielding door 400 decreases from outside to inside. The cross-sectional area of the shielding door 400 decreases from outside to inside, the door plate 420 is the largest and can cover the entrance of the outer box 100, the first sound insulation layer 430 can serve as the entrance of the outer box 100 and cooperate with the outer box 100 to form a complete box, the second sound insulation layer 440 cooperates with the door curtain 300 to separate the inner box 200 and the outer box 100, and the third sound insulation layer 450 cooperates with the inner box 200 to form a complete box.

[0060] In some embodiments, a fourth sound insulation layer 460 is further included, which is arranged between the first sound insulation layer 430 and the second sound insulation layer 440, or between the second sound insulation layer 440 and the third sound insulation layer 450, and the first sealing module 310 abuts against the fourth sound insulation layer 460. The first sealing module 310 and the second sealing module 410 abut against the first sound insulation layer 430 and the fourth sound insulation layer 460, respectively, and different sound insulation modules are arranged between different sound insulation layers, so that sound needs to pass through two sealing modules to enter the inner box 200, which can improve the sound insulation effect.

[0061] In some embodiments, the door curtain 300 is provided with a stepped structure, and the fourth sound insulation layer 460 and the second sound insulation layer 440 abut against different steps of the door curtain 300, respectively. The first sealing module 310 and the second sealing module 410 abut against the first sound insulation layer 430 and the fourth sound insulation layer 460, respectively, different sound insulation modules are arranged between different sound insulation layers, sound needs to pass through two sealing modules to enter the inner box 200, and sound needs to pass through multiple turns, which can effectively reduce the interference of external sound.

[0062] In some embodiments, the first sealing module 310 includes at least one sealing strip. The sealing strip is made of elastic material, the sealing strip directly contacts the door curtain 300 and deforms elastically, which can completely fit the door curtain 300 and make it difficult for sound to pass through the sealing strip and enter the inner box 200; increasing the number of sealing strips can improve the sealing effect.

[0063] Similarly, the second sealing module 410 also includes at least one sealing strip.

[0064] In some embodiments, the door curtain 300 is provided with a sealing pad, and the second sealing module 410 and the sealing pad abut. The sealing pad and the sealing strip are in direct contact, and the sealing strip has elasticity, and is in close contact with the sealing strip, thereby improving the sealing performance.

[0065] In some embodiments, a door lock is further included, and the door lock includes a lock head and a lock catch, the lock head and the lock catch can be matched with each other, and one of the lock head and the lock catch is arranged on the shielding door 400, and the other is arranged on the outer box body 100. Through the cooperation of the lock head and the lock catch of the door lock, the shielding door 400 can be locked on the outer box body 100, so that the shielding door 400 and the outer box body 100 are matched.

[0066] It should be noted that the terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" and the like can be applied to describe several embodiments of the utility model in the present specification, and the specific features, structures, materials or characteristics in the several embodiments can be combined under the condition of meeting the principles and purposes of the utility model.

[0067] Although some embodiments of the utility model have been shown and described in the present specification, the utility model should not be limited to the above-mentioned embodiments, as long as the same or equivalent means achieve the technical effects of the utility model, any change, modification, equivalent replacement and equivalent modification of these embodiments within the spirit and principles disclosed by the utility model, without departing from the principles and purposes of the utility model, should be included in the protection range of the utility model disclosed, and should be considered to belong to the protection range of the utility model.

Claims

1. A double-box soundproof box, characterized in that: include: outer box(100); An inner box (200) is provided in the inner cavity of the outer box (100); A door curtain (300) is provided between the entrance of the outer box (100) and the entrance of the inner box (200), and the door curtain (300) is provided with a first sealing module (310), and the first sealing module (310) is provided around the entrance of the door curtain (300); A shielding door (400) is rotatably arranged on the outer box (100). The shielding door (400) is provided with a second sealing module (410). The second sealing module (410) is arranged around the entrance of the door curtain (300). The first sealing module (310) abuts against the shielding door (400), and the second sealing module (410) abuts against the door curtain (300).

2. The double-box soundproof box according to claim 1, characterized in that: A shock-absorbing structure (500) is provided between the outer box (100) and the inner box (200).

3. The double-box soundproof box according to claim 2, characterized in that: The shock-absorbing structure (500) includes a plurality of shock-absorbing columns, which are respectively arranged on a plurality of surfaces of the inner box (200) and abut against the outer box (100).

4. The double-box soundproof box according to claim 1, characterized in that: The shield door (400) is provided with the following components in order from the outside to the inside: Door panel (420); a first sound insulation layer (430) capable of being inserted into the inlet of the outer box (100); a second sound insulation layer (440), wherein the second sealing module (410) is provided on the second sound insulation layer (440); The third sound insulation layer (450) can be inserted into the entrance of the inner box (200).

5. The double-box soundproof box according to claim 4, characterized in that: The cross-sectional area of ​​the screen door (400) decreases from the outside to the inside.

6. The double-box soundproof box according to claim 4, characterized in that: The invention further comprises a fourth sound insulation layer (460), wherein the fourth sound insulation layer (460) is provided between the first sound insulation layer (430) and the second sound insulation layer (440), or provided between the second sound insulation layer (440) and the third sound insulation layer (450), and the first sealing module (310) abuts against the fourth sound insulation layer (460).

7. The double-box soundproof box according to claim 6, characterized in that: The door curtain (300) is provided with a stepped structure, and the fourth sound insulation layer (460) and the second sound insulation layer (440) respectively abut against different steps of the door curtain (300).

8. The double-box soundproof box according to claim 1, characterized in that: The first sealing module (310) includes at least one sealing strip.

9. The double-box soundproof box according to claim 1, characterized in that: The door curtain (300) is provided with a sealing gasket, and the second sealing module (410) abuts against the sealing gasket.

10. The double-box soundproof box according to claim 1, characterized in that: It also includes a door lock, which includes a lock head and a lock catch, and the lock head and the lock catch can cooperate with each other. One of the lock head and the lock catch is arranged on the shielding door (400), and the other is arranged on the outer box (100).

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