CN112700761A - A dust separation hinders sound equipment for multiple fitment environment - Google Patents
A dust separation hinders sound equipment for multiple fitment environment Download PDFInfo
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- CN112700761A CN112700761A CN202011556230.8A CN202011556230A CN112700761A CN 112700761 A CN112700761 A CN 112700761A CN 202011556230 A CN202011556230 A CN 202011556230A CN 112700761 A CN112700761 A CN 112700761A
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- 239000000428 dust Substances 0.000 title claims abstract description 21
- 238000000926 separation method Methods 0.000 title description 6
- 238000005034 decoration Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000030279 gene silencing Effects 0.000 claims description 48
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims 13
- 238000013016 damping Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mining & Mineral Resources (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses dust-proof and sound-proof equipment for various decoration environments, which comprises a support frame, a mounting device, an outer sound-proof cylinder and an inner sound-proof cylinder, wherein a cover plate is mounted at the right end of the support frame, a dust-proof sleeve is connected to the right side of the cover plate, a sound-proof pad is arranged on the inner side wall of the support frame, the mounting device is mounted at the left end of the support frame in a penetrating manner, the outer sound-proof cylinder is mounted in the inner cavity of the sound-proof pad, a plurality of first fixing plates are arranged in the first outer cone cylinder, a plurality of second fixing plates are arranged in the third outer cone cylinder, and the inner sound-proof cylinder is mounted in the outer sound-proof cylinder through the first fixing plates and the second fixing plates. The invention can reduce the noise in the decoration process and prevent dust from floating everywhere, so that the dust-proof sound-blocking effect of the invention is better.
Description
Technical Field
The invention relates to the technical field of decoration, in particular to a dust-proof and sound-proof device for various decoration environments.
Background
Fitment is shown through digging the wall body, tear open and changes the structure, add the partition structure, change behaviors such as outward appearance, thereby carry out further perfection of structure and interior facility to the house, can make the house whole reach the purpose of further beautifying through the fitment, make house owner live more comfortablely, in-process at fitment need punch to the wall body, operation such as cutting is polished, can produce a large amount of dust and noise at the in-process of operation, so not only can cause the noise influence to resident on every side, still can cause the injury on the health to constructor, for example work in the fitment environment for a long time and lead to hearing decline, inhale harm such as dust.
Disclosure of Invention
In view of the above problems, a main object of the present invention is to provide a dust-insulating and sound-blocking apparatus for various decoration environments, which is excellent in sound-insulating effect and dust-insulating effect.
The object of the invention is achieved in the following way:
a dust and sound isolation apparatus for use in a variety of finishing environments, comprising:
the dust-proof device comprises a support frame, a dust-proof sleeve and a dust-proof cover, wherein a cover plate is arranged at the right end of the support frame, the right side of the cover plate is connected with the dust-proof sleeve, and a silencing pad is arranged on the inner side wall of the support frame;
the mounting device is mounted at the left end of the support frame in a penetrating manner, and a sliding cylinder of the mounting device can slide and rotate in the left end of the support frame;
the outer silencing barrel is arranged in the inner cavity of the silencing pad and is communicated with the right end of the support frame, the outer silencing barrel comprises a first outer straight barrel, a first outer conical barrel, a second outer straight barrel and a third outer conical barrel which are sequentially connected from left to right, the diameters of the first outer straight barrel, the first outer conical barrel, the second outer straight barrel and the third outer conical barrel are different, a plurality of first fixing plates are arranged in the first outer conical barrel, and a plurality of second fixing plates are arranged in the third outer conical barrel;
the inner silencing cylinder is installed in the outer silencing cylinder through the first fixing plate and the second fixing plate, the inner silencing cylinder comprises a first inner straight cylinder, a first inner conical cylinder, a second inner straight cylinder and a second inner conical cylinder which are sequentially connected from left to right, and the diameters of the first inner straight cylinder, the first inner conical cylinder, the second inner straight cylinder and the second inner conical cylinder are different.
Further, the inside of outer noise reduction tube still is equipped with a plurality of noise reduction board, interior noise reduction tube is located the space that a plurality of noise reduction board encloses, the one end of noise reduction board extends to in the outer awl section of thick bamboo of second, the other end of noise reduction board extends to in the outer straight section of thick bamboo of second, outer noise reduction hole has been seted up along length direction to the inside of outer noise reduction tube, a plurality of inclined hole has been seted up along the diameter direction to the inside of outer noise reduction tube, the inclined hole with outer noise reduction hole link up, outer noise reduction hole with the inner chamber of support frame link up, a plurality of recess has still been seted up to the inboard of noise reduction board.
Furthermore, the inner silencing barrel further comprises a third inner straight barrel, a third inner conical barrel and a fourth inner straight barrel, the third inner straight barrel is connected to the right end of the second inner conical barrel, the third inner conical barrel is connected between the third inner straight barrel and the fourth inner straight barrel, the fourth inner straight barrel is communicated with the right end of the supporting frame, and the diameters of the third inner straight barrel, the third inner conical barrel and the fourth inner straight barrel are different.
Furthermore, the second inner straight cylinder, the third inner straight cylinder and the fourth inner straight cylinder are internally provided with inner sound-attenuating plates, a plurality of inner sound-attenuating holes are formed in the inner sound-attenuating plates, and the corresponding inner sound-attenuating holes are respectively communicated with the interiors of the second inner straight cylinder, the third inner straight cylinder and the fourth inner straight cylinder.
Furthermore, the mounting device further comprises a mounting sleeve, the mounting sleeve is mounted at an opening at the left end of the support frame through a bearing, the sliding cylinder is slidably connected in the mounting sleeve, end covers are in threaded connection with two ends of the sliding cylinder, the end covers are communicated with the inside of the sliding cylinder, and the inside of the sliding cylinder is communicated with the inside of the support frame.
Furthermore, the diameter of the minimum end of the first outer cone cylinder is the same as that of the first outer straight cylinder, the diameter of the first outer cone cylinder is gradually increased rightward, the diameter of the minimum end of the second outer cone cylinder is the same as that of the maximum end of the first outer cone cylinder, the diameter of the second outer cone cylinder is gradually increased rightward, the diameter of the second outer straight cylinder is the same as that of the maximum end of the second outer cone cylinder, the diameter of the third outer cone cylinder is gradually decreased rightward, the diameter of the maximum end of the third outer cone cylinder is the same as that of the second outer straight cylinder, the outer peripheral surface of the second outer straight cylinder is abutted against the inner side surface of the silencing pad, and the outer silencing cylinder is mounted in the silencing pad.
Furthermore, a plurality of first outer holes are formed in the first outer straight cylinder, a plurality of second outer holes are formed in the first outer conical cylinder, a plurality of third outer holes are formed in the second outer conical cylinder, a plurality of fourth outer holes are formed in the third outer conical cylinder, and the first outer holes, the second outer holes, the third outer holes and the fourth outer holes are communicated with the inner part and the outer part of the outer silencing cylinder.
Furthermore, the diameter of the first inner straight cylinder is the same as the diameter of the minimum end of the first inner straight cylinder, the diameter of the first inner straight cylinder is gradually increased to the right, the diameter of the second inner straight cylinder is the same as the diameter of the maximum end of the first inner straight cylinder, the diameter of the second inner straight cylinder is the same as the diameter of the second inner straight cylinder, the diameter of the second inner straight cylinder is gradually decreased to the right, the diameter of the third inner straight cylinder is the same as the diameter of the minimum end of the second inner straight cylinder, the diameter of the third inner straight cylinder is the same as the diameter of the third inner straight cylinder, the diameter of the third inner straight cylinder is gradually increased to the right, and the diameter of the fourth inner straight cylinder is the same as the diameter of the maximum end of the third inner straight cylinder.
Furthermore, a plurality of first inner holes are formed in the first inner straight cylinder, a plurality of second inner holes are formed in the first inner straight cylinder, a plurality of third inner holes are formed in the second inner straight cylinder, a plurality of fourth inner holes are formed in the second inner straight cylinder, a plurality of fifth inner holes are formed in the third inner straight cylinder, a plurality of sixth inner holes are formed in the third inner straight cylinder, a plurality of seventh inner holes are formed in the fourth inner straight cylinder, and the first inner holes, the second inner holes, the third inner holes, the fourth inner holes, the fifth inner holes, the sixth inner holes and the seventh inner holes are communicated with the inside and the outside of the inner sound tube.
Furthermore, a plurality of inclined plates are mounted on the inner wall of the second inner straight cylinder, and the inclined plates extend towards the center direction close to the first inner conical cylinder.
The invention has the beneficial effects that:
1. the mounting device is arranged in the invention, tools with larger working noise, such as a drill bit and the like, can be mounted in the support frame through the mounting device, and then noise in a room can be greatly reduced through the outer noise reduction barrel and the inner noise reduction barrel, so that the harm to the body of a constructor is reduced, and the use is safer and more reliable;
2. the dust separation sleeve is further arranged in the dust collection device, and dust can be collected through the dust separation sleeve, so that the possibility of suction of constructors due to the fact that the dust floats in the air is reduced, and the use safety is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 at a.
Fig. 3 is a schematic structural view of the outer and inner muffling barrels of the present invention.
Fig. 4 is a partially enlarged view of fig. 3 at B.
The notation in the figure is: the silencing device comprises a support frame 1, a cover plate 11, a dust-proof sleeve 12, a silencing pad 2, a mounting device 3, a sliding cylinder 31, a mounting sleeve 32, an end cover 33, an outer silencing cylinder 4, a first outer straight cylinder 41, a first outer hole 411, a first outer conical cylinder 42, a first fixing plate 421, a second outer hole 422, a second outer conical cylinder 43, a third outer hole 431, a second outer straight cylinder 44, a third outer conical cylinder 45, a second fixing plate 451, a fourth outer hole 452, an outer silencing plate 46, an outer silencing hole 461, a slant hole 462, a groove 463, an inner silencing cylinder 5, a first inner straight cylinder 51, a first inner hole 511, a first inner conical cylinder 52, a second inner hole 521, a second inner straight cylinder 53, a third inner conical inner hole 531, a sloping plate 532, a second inner conical cylinder 54, a fourth inner hole 541, a third inner straight cylinder 55, a fifth inner hole 551, a third inner conical cylinder 56, a sixth inner conical cylinder 561, a fourth inner straight cylinder 57, a seventh inner hole 531, an inner silencing plate 58 and an inner silencing hole 58.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the dust-proof and sound-proof device for various decoration environments as shown in fig. 1 comprises a support frame 1, a mounting device 3, an outer sound-proof tube 4 and an inner sound-proof tube 5, wherein a cover plate 11 is mounted at the right end of the support frame 1, the cover plate 11 and the housing part of the support frame 1 can be made into a part with a transparent window, so that punching is facilitated, the punching position is more accurate, the cover plate 11 and the support frame 1 are detachably connected, a dust-proof sleeve 12 is connected to the right side of the cover plate 11, the dust-proof sleeve 12 is supported on a wall needing punching, so that a drill bit of an electric drill is positioned between the dust-proof sleeve 12 and the wall, dust generated in the drilling process can be prevented from floating through the dust-proof sleeve 12, so that constructors can work more safely, a sound-proof pad 2 is arranged on the inner side wall of the support frame 1, and the sound-proof pad 2 is made, the noise in the support frame 1 can be reduced through the silencing pad 2, the mounting device 3 is installed at the left end of the support frame 1 in a penetrating manner, the mounting device 3 is used for mounting construction tools such as a drill bit, the sliding barrel 31 of the mounting device 3 can slide and rotate in the left end of the support frame 1, the outer silencing barrel 4 is installed in the inner cavity of the silencing pad 2, the outer silencing barrel 4 is connected with the right end of the support frame 1 in a penetrating manner, the outer silencing barrel 4 comprises a first outer straight barrel 41, a first outer conical barrel 42, a second outer conical barrel 43, a second outer straight barrel 44 and a third outer conical barrel 45 which are sequentially connected from left to right, the diameters of the first outer straight barrel 41, the first outer conical barrel 42, the second outer conical barrel 43, the second outer straight barrel 44 and the third outer conical barrel 45 are different, a plurality of first fixing plates 421 are arranged in the first outer conical barrel 42, the third outer cone cylinder 45 is internally provided with a plurality of second fixing plates 451, the inner silencing cylinder 5 is installed in the outer silencing cylinder 4 through the first fixing plate 421 and the second fixing plates 451, the inner silencing cylinder 5 comprises a first inner straight cylinder 51, a first inner cone cylinder 52, a second inner straight cylinder 53 and a second inner cone cylinder 54 which are sequentially connected from left to right, and the diameters of the first inner straight cylinder 51, the first inner cone cylinder 52, the second inner straight cylinder 53 and the second inner cone cylinder 54 are different.
During drilling and other operations, a drill is inserted into the sliding barrel 31 and sequentially passes through the inner silencing barrels 4 and 5, so that the drill bit is finally exposed out of the dust separation sleeve 12.
As shown in fig. 4, a plurality of sound-absorbing plates 46 are further arranged inside the outer sound-absorbing cylinder 4, the inner sound-absorbing cylinder 5 is located in a space surrounded by the plurality of sound-absorbing plates 46, one end of the sound-absorbing plate 46 extends into the second outer conical cylinder 43, the other end of the sound-absorbing plate 46 extends into the second outer straight cylinder 44, an outer sound-deadening hole 461 is arranged inside the outer sound-deadening barrel 4 along the length direction, a plurality of inclined holes 462 are arranged inside the outer sound-deadening barrel 4 along the diameter direction, the inclined hole 462 is communicated with the outer sound absorbing hole 461, the outer sound absorbing hole 461 is communicated with the inner cavity of the support frame 1, a plurality of grooves 463 are also formed on the inner side of the sound absorbing plate 46, the moving direction of the sound wave can be changed by the outer sound deadening hole 461 and the inclined hole 462, so that a part of the sound wave can resonate in the collision, thereby achieving the effect of sound deadening.
As shown in fig. 3, the inner sound-attenuating cylinder 5 further includes a third inner straight cylinder 55, a third inner straight cylinder 56 and a fourth inner straight cylinder 57, the third inner straight cylinder 55 is connected to the right end of the second inner straight cylinder 54, the third inner straight cylinder 56 is connected between the third inner straight cylinder 55 and the fourth inner straight cylinder 57, the fourth inner straight cylinder 57 is connected to the right end of the supporting frame 1, and the diameters of the third inner straight cylinder 55, the third inner straight cylinder 56 and the fourth inner straight cylinder 57 are different.
Noise generated in the process of operations such as drilling and the like enters the fourth inner straight cylinder 57 through the right end of the support frame 1, under the action of structural change of the fourth inner straight cylinder 57 and the seventh inner hole 571, a part of sound waves can move to the left and collide in the inner sound-attenuating cylinder 5, and a part of sound waves can resonate in the collision, so that the sound-attenuating effect is achieved, when the sound waves sequentially pass through the fourth inner straight cylinder 57, the third inner straight cylinder 56, the third inner straight cylinder 55, the second inner straight cylinder 54, the second inner straight cylinder 53, the first inner straight cylinder 52 and the first inner straight cylinder 51 and enter the first outer straight cylinder 41, the noise is greatly reduced, and the collision of the seventh inner hole 571, the sixth inner hole 561, the fifth inner hole 551, the fourth inner hole 541, the third inner hole 531, the second inner hole 521 and the first inner straight cylinder 511 can greatly improve the energy, thereby making the sound blocking effect better.
In the process that sound waves pass through the inner silencing tube 5 and are transmitted leftwards, a part of sound waves enter the outer silencing tube 4 through the seventh inner hole 571, the sixth inner hole 561, the fifth inner hole 551, the fourth inner hole 541, the third inner hole 531, the second inner hole 521 and the first inner hole 511, so that under the change of the structures of the first outer straight tube 41, the first outer conical tube 42, the second outer conical tube 43, the second outer straight tube 44 and the third outer conical tube 45, a part of sound waves can be resonated again, the silencing effect is achieved again, and a part of sound waves in the outer silencing tube 4 can enter between the inner cavity of the support frame 1 and the outer silencing tube 4 through the first outer hole 411, the second outer hole 422 and the third outer hole 431, so that the silencing pad 2 can damp the part of sound waves, through heavy structure, the noise that finally passes through in support frame 1 transmits the external environment will greatly reduced.
Preferably, the second inner straight tube 53, the third inner straight tube 55 and the fourth inner straight tube 57 are each provided with an inner sound-deadening plate 58, the inner sound-deadening plate 58 is provided with a plurality of inner sound-deadening holes 581, the sound-deadening effect in the inner sound-deadening tube 5 can be further improved by the inner sound-deadening plate 58 and the inner sound-deadening holes 581, and the corresponding inner sound-deadening holes 581 are respectively communicated with the interiors of the second inner straight tube 53, the third inner straight tube 55 and the fourth inner straight tube 57.
As shown in fig. 2, the mounting device 3 further includes a mounting sleeve 32, the mounting sleeve 32 is mounted at the opening at the left end of the support frame 1 through a bearing, the sliding cylinder 31 is slidably connected in the mounting sleeve 32, both ends of the sliding cylinder 31 are both connected with end covers 33 through threads, the end covers 33 are communicated with the inside of the sliding cylinder 31, the inside of the sliding cylinder 31 is communicated with the inside of the support frame 1, the mounting sleeve 32 can be driven by the bearing to rotate the sliding cylinder 31, so that the electric drill and the like can be rotated, and drilling is more convenient, and the distance between the dust separation sleeve 12 and the wall body can be adjusted by sliding the sliding cylinder 31 in the mounting sleeve 32, so as to further improve the convenience of use.
Preferably, the diameter of the minimum end of the first outer cone 42 is the same as the diameter of the first outer straight cylinder 41, the diameter of the first outer cone 42 is gradually increased rightward, the diameter of the minimum end of the second outer cone 43 is the same as the diameter of the maximum end of the first outer cone 42, the diameter of the second outer cone 43 is gradually increased rightward, the diameter of the second outer straight cylinder 44 is the same as the diameter of the maximum end of the second outer cone 43, the diameter of the third outer cone 45 is gradually decreased rightward, the diameter of the maximum end of the third outer cone 45 is the same as the diameter of the second outer straight cylinder 44, and the outer circumferential surface of the second outer straight cylinder 44 is in contact with the inner side surface of the silencing pad 2, so that the outer silencing cylinder 4 is mounted in the silencing pad 2.
Preferably, the first outer straight tube 41 is provided with a plurality of first outer holes 411, the first outer tapered tube 42 is provided with a plurality of second outer holes 422, the second outer tapered tube 43 is provided with a plurality of third outer holes 431, the third outer tapered tube 45 is provided with a plurality of fourth outer holes 452, and the first outer holes 411, the second outer holes 422, the third outer holes 431 and the fourth outer holes 452 are all communicated with the inside and the outside of the outer sound-deadening tube 4.
Preferably, the diameter of the first inner straight cylinder 51 is the same as the diameter of the smallest end of the first inner straight cylinder 52, the diameter of the first inner straight cylinder 52 is gradually increased to the right, the diameter of the second inner straight cylinder 53 is the same as the diameter of the largest end of the first inner straight cylinder 52, the diameter of the largest end of the second inner straight cylinder 54 is the same as the diameter of the second inner straight cylinder 53, the diameter of the second inner straight cylinder 54 is gradually decreased to the right, the diameter of the third inner straight cylinder 55 is the same as the diameter of the smallest end of the second inner straight cylinder 54, the diameter of the smallest end of the third inner straight cylinder 56 is the same as the diameter of the third inner straight cylinder 55, the diameter of the third inner straight cylinder 56 is gradually increased to the right, and the diameter of the inner cone 57 is the same as the diameter of the largest end of the third inner straight cylinder 56.
Preferably, the first inner straight cylinder 51 is provided with a plurality of first inner holes 511, the first inner straight cylinder 52 is provided with a plurality of second inner holes 521, the second inner straight cylinder 53 is provided with a plurality of third inner holes 531, the second inner straight cylinder 54 is provided with a plurality of fourth inner holes 541, the third inner straight cylinder 55 is provided with a plurality of fifth inner holes 551, the third inner straight cylinder 56 is provided with a plurality of sixth inner holes 561, the fourth inner straight cylinder 57 is provided with a plurality of seventh inner holes 571, and the first inner holes 511, the second inner holes 521, the third inner holes 531, the fourth inner holes 541, the fifth inner holes 551, the sixth inner holes 561, and the seventh inner holes 571 are all communicated with the inside and the outside of the inner sound cylinder 5.
Preferably, a plurality of sloping plates 532 are installed on the inner wall of the second inner straight cylinder 53, the sloping plates 532 all extend towards the center direction close to the first inner straight cylinder 52, and the sloping plates 532 can change the motion of a part of sound waves entering the first inner straight cylinder 52 from the second inner straight cylinder 53, so as to improve the resonance effect and improve the sound blocking effect.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dust and sound insulation apparatus for use in a variety of decorative environments, comprising:
the dust-proof and sound-absorbing device comprises a support frame (1), wherein a cover plate (11) is installed at the right end of the support frame (1), a dust-proof sleeve (12) is connected to the right side of the cover plate (11), and a sound-absorbing pad (2) is arranged on the inner side wall of the support frame (1);
the mounting device (3) is mounted at the left end of the support frame (1) in a penetrating manner, and a sliding cylinder (31) of the mounting device (3) can slide and rotate in the left end of the support frame (1);
the outer silencing barrel (4) is installed in the inner cavity of the silencing pad (2), the outer silencing barrel (4) is in through connection with the right end of the support frame (1), the outer silencing barrel (4) comprises a first outer straight barrel (41), a first outer conical barrel (42), a second outer conical barrel (43), a second outer straight barrel (44) and a third outer conical barrel (45) which are sequentially connected from left to right, the diameters of the first outer straight barrel (41), the first outer conical barrel (42), the second outer conical barrel (43), the second outer straight barrel (44) and the third outer conical barrel (45) are different, a plurality of first fixing plates (421) are arranged inside the first outer conical barrel (42), and a plurality of second fixing plates (451) are arranged inside the third outer conical barrel (45);
the inner silencing barrel (5) is installed in the outer silencing barrel (4) through the first fixing plate (421) and the second fixing plate (451), the inner silencing barrel (5) comprises a first inner straight barrel (51), a first inner conical barrel (52), a second inner straight barrel (53) and a second inner conical barrel (54) which are sequentially connected from left to right, and the diameters of the first inner straight barrel (51), the first inner conical barrel (52), the second inner straight barrel (53) and the second inner conical barrel (54) are different.
2. A dust and sound insulation apparatus for various finishing environments as set forth in claim 1, a plurality of sound-absorbing plates (46) are arranged in the outer sound-absorbing barrel (4), the inner sound-absorbing barrel (5) is positioned in a space surrounded by the sound-absorbing plates (46), one end of the sound-absorbing plate (46) extends into the second outer conical cylinder (43), the other end of the sound-absorbing plate (46) extends into the second outer straight cylinder (44), an outer sound-deadening hole (461) is arranged inside the outer sound-deadening barrel (4) along the length direction, a plurality of inclined holes (462) are arranged inside the outer silencing barrel (4) along the diameter direction, the inclined hole (462) is communicated with the outer sound absorbing hole (461), the outer sound absorbing hole (461) is communicated with the inner cavity of the support frame (1), the inner side of the sound-absorbing plate (46) is also provided with a plurality of grooves (463).
3. The dust insulation and sound insulation apparatus for various decoration environments as claimed in claim 2, wherein the inner muffler (5) further comprises a third inner straight cylinder (55), a third inner straight cylinder (56) and a fourth inner straight cylinder (57), the third inner straight cylinder (55) is connected to the right end of the second inner straight cylinder (54), the third inner straight cylinder (56) is connected between the third inner straight cylinder (55) and the fourth inner straight cylinder (57), the fourth inner straight cylinder (57) is communicated with the right end of the supporting frame (1), and the diameters of the third inner straight cylinder (55), the third inner straight cylinder (56) and the fourth inner straight cylinder (57) are different.
4. A dust-insulating and sound-damping apparatus for multiple decoration environments according to claim 3, wherein the second inner straight cylinder (53), the third inner straight cylinder (55) and the fourth inner straight cylinder (57) are all provided with an inner sound-damping plate (58), the inner sound-damping plate (58) is provided with a plurality of inner sound-damping holes (581), and the corresponding inner sound-damping holes (581) are respectively communicated with the interiors of the second inner straight cylinder (53), the third inner straight cylinder (55) and the fourth inner straight cylinder (57).
5. The dust-proof and sound-proof device for various decoration environments as claimed in claim 1, wherein the mounting device (3) further comprises a mounting sleeve (32), the mounting sleeve (32) is mounted at the left end opening of the supporting frame (1) through a bearing, the sliding cylinder (31) is slidably connected in the mounting sleeve (32), both ends of the sliding cylinder (31) are in threaded connection with end covers (33), the end covers (33) are communicated with the inside of the sliding cylinder (31), and the inside of the sliding cylinder (31) is communicated with the inside of the supporting frame (1).
6. The dust insulation and sound insulation apparatus for various finishing environments as claimed in claim 2, wherein the minimum end diameter of the first outer cone (42) is the same as the diameter of the first outer straight tube (41), the diameter of the first outer cone (42) is gradually increased rightward, the minimum end diameter of the second outer cone (43) is the same as the maximum end diameter of the first outer cone (42), the diameter of the second outer cone (43) is gradually increased rightward, the diameter of the second outer straight tube (44) is the same as the maximum end diameter of the second outer cone (43), the diameter of the third outer cone (45) is gradually decreased rightward, the maximum end diameter of the third outer cone (45) is the same as the diameter of the second outer straight tube (44), the outer circumferential surface of the second outer straight tube (44) abuts against the inner side surface of the sound insulation mat (2), so that the outer silencing pot (4) is mounted in the silencing pad (2).
7. The dust insulation and sound insulation device for various decoration environments as claimed in claim 6, wherein a plurality of first outer holes (411) are formed in the first outer straight cylinder (41), a plurality of second outer holes (422) are formed in the first outer conical cylinder (42), a plurality of third outer holes (431) are formed in the second outer conical cylinder (43), a plurality of fourth outer holes (452) are formed in the third outer conical cylinder (45), and the first outer holes (411), the second outer holes (422), the third outer holes (431) and the fourth outer holes (452) are communicated with the inner and outer sides of the outer sound insulation cylinder (4).
8. The dust insulation and sound insulation apparatus for various finishing environments as claimed in claim 3, wherein the diameter of the first inner straight cylinder (51) is the same as the diameter of the smallest end of the first inner straight cylinder (52), the diameter of the first inner straight cylinder (52) is gradually increased to the right, the diameter of the second inner straight cylinder (53) is the same as the diameter of the largest end of the first inner straight cylinder (52), the diameter of the largest end of the second inner straight cylinder (54) is the same as the diameter of the second inner straight cylinder (53), the diameter of the second inner straight cylinder (54) is gradually decreased to the right, the diameter of the third inner straight cylinder (55) is the same as the diameter of the smallest end of the second inner straight cylinder (54), the diameter of the smallest end of the third inner straight cylinder (56) is the same as the diameter of the third inner straight cylinder (55), and the diameter of the third cylinder (56) is gradually increased to the right, the diameter of the fourth inner straight cylinder (57) is the same as the maximum end diameter of the third inner conical cylinder (56).
9. The dust-proof and sound-proof device for various decoration environments as claimed in claim 8, wherein a plurality of first inner holes (511) are formed on the first inner straight cylinder (51), a plurality of second inner holes (521) are formed on the first inner straight cylinder (52), a plurality of third inner holes (531) are formed on the second inner straight cylinder (53), a plurality of fourth inner holes (541) are formed on the second inner straight cylinder (54), a plurality of fifth inner holes (551) are formed on the third inner straight cylinder (55), a plurality of sixth inner holes (561) are formed on the third inner straight cylinder (56), a plurality of seventh inner holes (571) are formed on the fourth inner straight cylinder (57), and the first inner holes (511), the second inner holes (521), the third inner holes (531), the fourth inner holes (541), the fifth inner holes (551), the sixth inner holes (561), And the seventh inner hole (571) is communicated with the inner and outer parts of the inner silencing tube (5).
10. A dust and sound insulation apparatus for various finishing environments, as claimed in claim 9, wherein a plurality of inclined plates (532) are installed on the inner wall of the second inner cylinder (53), and the inclined plates (532) are extended toward the center of the first inner cylinder (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011556230.8A CN112700761A (en) | 2020-12-24 | 2020-12-24 | A dust separation hinders sound equipment for multiple fitment environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011556230.8A CN112700761A (en) | 2020-12-24 | 2020-12-24 | A dust separation hinders sound equipment for multiple fitment environment |
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| CN112700761A true CN112700761A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011556230.8A Pending CN112700761A (en) | 2020-12-24 | 2020-12-24 | A dust separation hinders sound equipment for multiple fitment environment |
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| CN (1) | CN112700761A (en) |
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| CN211306955U (en) * | 2019-10-12 | 2020-08-21 | 中建六局安装工程有限公司 | Hand-held electric drilling machine for mine |
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| GB1354551A (en) * | 1970-12-17 | 1974-06-05 | Eberspaecher J | Exhaust silencers |
| US20070205044A1 (en) * | 2006-02-07 | 2007-09-06 | Bae Seong W | Silencer |
| CN204800004U (en) * | 2015-07-13 | 2015-11-25 | 江苏省苏中建设集团股份有限公司 | Electric drill silencing device |
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