CN213741881U

CN213741881U - Wall structure capable of effectively reducing noise

Info

Publication number: CN213741881U
Application number: CN202022682631.XU
Authority: CN
Inventors: 祁涛; 郁再云; 王少园
Original assignee: Huainan Zhongtong Construction Engineering Co ltd
Current assignee: Huainan Zhongtong Construction Engineering Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-20
Anticipated expiration: 2030-11-18

Abstract

The application relates to a wall structure that can effectively noise reduction, it includes the first wall body that is close to the noise source, keeps away from the second wall body of noise source, still includes the follow first wall body is fixed in to what the second wall body set gradually galvanized steel sheet on the first wall body, be fixed in abatvoix, cavity layer on the galvanized steel sheet, be fixed in acoustic celotex board on the second wall body. When the noise passes through first wall body and propagates the second wall body, can pass through galvanized steel sheet, abatvoix, cavity layer and acoustic celotex board according to this, and galvanized steel sheet reflects partly sound wave, and abatvoix, cavity layer and acoustic celotex board filter the noise layer upon layer. This application has the effect of further improving the ability of wall body noise reduction.

Description

Wall structure capable of effectively reducing noise

Technical Field

The application relates to the field of wall structures, in particular to a wall structure capable of effectively reducing noise.

Background

At present, many places where people live are full of noise, and especially, the sound generated by a large machine in a factory building in the production process seriously influences the normal work and rest of people and also can influence the health of people, such as hearing impairment, sleep quality reduction, anxiety and the like. Therefore, the wall structure of the factory building needs to be modified, so that the noise is prevented from being transmitted to the outside, and the noise in the factory building is reduced.

Among the correlation technique, chinese utility model patent that publication number is CN203049827U discloses a noise reduction sound insulation wall, and it is provided with the sound absorption foam including inboard wall body and the outside wall body that is close to the noise source between inboard wall body and the outside wall body, is equipped with on the inboard wall body and inhales the sound hole.

To the above-mentioned correlation technique, the inventor thinks that the noise reduction sound insulation wall only relies on the sound absorption foam and inhales the sound hole and fall the noise insulation, and after the sound absorption foam used several years, the sound absorption performance of sound absorption foam can reduce to lead to the reduction of wall body noise reduction effect, there is the not good defect of noise reduction sound insulation effect.

SUMMERY OF THE UTILITY MODEL

In order to further improve the ability of wall body noise reduction, this application provides a wall structure that can effectively noise reduction.

The application provides a wall structure that can effectively reduce noise adopts following technical scheme:

the utility model provides a wall structure that can effectively noise reduction, includes the first wall body that is close to the noise source, keeps away from the second wall body of noise source, still includes the follow first wall body is fixed in to what the second wall body set gradually galvanized steel sheet on the first wall body, be fixed in abatvoix, cavity layer on the galvanized steel sheet, be fixed in acoustic celotex board on the second wall body.

Through adopting above-mentioned technical scheme, the noise passes first wall body and propagates the second wall body, can pass through galvanized steel sheet, abatvoix, cavity layer and acoustic celotex board according to this, and galvanized steel sheet's a part of sound wave of galvanized surface reflection makes the noise reduce in the sound absorption hole, and abatvoix, cavity layer and acoustic celotex board filter noise layer upon layer, further improve the ability of wall body to the noise reduction.

Preferably, be provided with the connecting piece on the galvanized steel sheet, the connecting piece is including wearing to locate fixed sleeve on the galvanized steel sheet, set up in knob on the fixed sleeve, wear to locate fixed sleeve and with knob fixed connection's dwang, cover are located gear on the dwang, be used for with gear engagement's rack, be fixed in fixture block on the rack, the fixture block passes fixed sleeve and with the cooperation of pegging graft of first wall body.

Through adopting above-mentioned technical scheme, operating personnel rotates the knob, and the knob rotates and drives the dwang and rotate, and the dwang rotates and makes gear revolve, and gear and rack toothing makes the rack remove, and the rack removes and promotes the fixture block and pass fixed sleeve and peg graft the cooperation with first wall body, so make things convenient for operating personnel to the installation of galvanized steel sheet.

Preferably, the sound-absorbing board is a polyester fiber board, the sound-absorbing board is provided with a positioning groove, and the positioning groove is in inserting fit with the fixing sleeve.

Through adopting above-mentioned technical scheme, polyester fiber board is selected to the abatvoix, not only can be favorable to the noise reduction, and produces certain fire prevention effect to the wall body, and the setting up of counterpoint groove makes things convenient for operating personnel to install the abatvoix.

Preferably, the cavity layer is internally provided with a framework, the framework is honeycomb-shaped, and sound-absorbing paint is sprayed on the inner side wall of the framework.

Through adopting above-mentioned technical scheme, cellular skeleton is favorable to improving the filter effect of cavity layer to the noise, and the spraying on the skeleton is inhaled sound coating and is further improved the filter effect of cavity layer to the noise.

Preferably, the cavity layer is provided with a connecting sleeve, a connecting column penetrates through the connecting sleeve, one end of the connecting column is fixedly connected with the galvanized steel sheet, and the other end of the connecting column is fixedly connected with the second wall body.

Through adopting above-mentioned technical scheme, connecting sleeve and cavity layer fixed connection, spliced pole both ends respectively with galvanized steel sheet and second wall body fixed connection for be connected more tightly between cavity layer and first wall body and the second wall body, and the spliced pole also plays certain supporting role to abatvoix, acoustic celotex board, makes the structure of wall body more firm.

Preferably, the connecting sleeve both ends cover is equipped with the fixed disk, the fixed disk is made by rubber, the fixed disk with connecting sleeve threaded connection, the fixed disk inlays respectively to be located the abatvoix with in the acoustic celotex board.

Through adopting above-mentioned technical scheme, fixed disk and connecting sleeve threaded connection, operating personnel can make acoustic celotex board and galvanized steel sheet laminate more through the knob fixed disk, and the fixed plate is made by rubber, and the fixed cavity layer is fixed from both ends to the fixed disk, is favorable to alleviateing the resonance of cavity layer because of the too big production of noise.

Preferably, one end of the connecting column, which is far away from the first wall body, penetrates through the second wall body, a limiting block is fixed on the connecting column, and the limiting block is arranged in the second wall body.

Through adopting above-mentioned technical scheme, the stopper is buried in the second wall body, and stopper and spliced pole fixed connection are favorable to strengthening wall structure's stability, prevent spliced pole and second wall body and drop.

Preferably, one side of the sound insulation board close to the second wall body is provided with a protrusion, one end of the second wall body is provided with a groove, and the protrusion is in plug-in fit with the groove.

Through adopting above-mentioned technical scheme, protruding cooperation of pegging graft with the recess on the second wall body on the acoustic celotex board for the acoustic celotex board is more firm with being connected of second wall body, and the bellied area of contact that makes acoustic celotex board and second wall body that sets up is bigger, and the area of acoustic celotex board noise reflection is big more, is favorable to improving the effect of acoustic celotex board noise reduction.

In summary, the present application includes at least one of the following beneficial technical effects:

the noise is transmitted to the second wall body through the first wall body and then passes through the galvanized steel plate, the sound absorption plate, the cavity layer and the sound insulation plate, a part of sound waves are reflected by the galvanized surface of the galvanized steel plate, the sound absorption holes reduce the noise, and the sound absorption plate, the cavity layer and the sound insulation plate filter the noise layer by layer, so that the noise reduction capability of the wall body is further improved;

the knob is rotated by an operator, the knob rotates to drive the rotating rod to rotate, the rotating rod rotates to enable the gear to rotate, the gear is meshed with the rack, the gear rotates to enable the rack to move, the rack moves to push the clamping block to penetrate through the fixing sleeve and to be in plug-in fit with the first wall body, and therefore the installation of the operator on the galvanized steel plate is facilitated.

Drawings

Fig. 1 is a schematic view of an internal structure of a wall structure capable of effectively reducing noise according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a first wall and a galvanized steel sheet according to an embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the connector according to the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a cavity layer according to an embodiment of the present application.

Description of reference numerals: 1. a first wall; 11. positioning holes; 2. a second wall; 21. a groove; 3. a galvanized steel sheet; 31. a sound absorption hole; 4. a connecting member; 41. fixing the sleeve; 411. an interface; 42. a knob; 43. rotating the rod; 44. a gear; 45. a rack; 46. a clamping block; 5. a sound-absorbing panel; 51. a positioning groove; 6. a cavity layer; 61. a framework; 62. a connecting sleeve; 63. connecting columns; 64. fixing the disc; 65. a limiting block; 7. a sound insulating board; 71. and (4) protruding.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a wall structure capable of effectively reducing noise. Referring to fig. 1, the wall structure capable of effectively reducing noise includes a first wall 1 close to a noise source and a second wall 2 far from the noise source, and a galvanized steel sheet 3, an acoustic board 5, an acoustic board 7 and a cavity layer 6 are arranged between the first wall 1 and the second wall 2. The first wall body 1 and the second wall body 2 are both rectangular plate-shaped, the first wall body 1 is vertically arranged, the second wall body 2 is vertically arranged, the first wall body 1 is parallel to the second wall body 2, and the areas of the side faces, close to each other, of the first wall body 1 and the second wall body 2 are equal.

Referring to fig. 2 and 3, the galvanized steel sheet 3 is in a shape of a microporous rectangular plate, the galvanized steel sheet 3 is disposed on a side surface of the first wall 1 close to the second wall 2, a connecting member 4 for connecting the first wall 1 and the galvanized steel sheet 3 is disposed on the galvanized steel sheet 3, and the connecting member 4 includes a fixing sleeve 41, a knob 42, a rotating rod 43, a gear 44, a rack 45, and a clamping block 46. The fixing sleeve 41 is a hollow cylinder, the fixing sleeve 41 penetrates through the galvanized steel sheet 3, the fixing sleeve 41 is fixedly connected with the galvanized steel sheet 3, and the axis of the fixing sleeve 41 is perpendicular to the length direction of the first wall 1. The side surface of the first wall body 1 close to the second wall body 2 is provided with a positioning hole 11, the positioning hole 11 is circular, and one end of the fixing sleeve 41 close to the first wall body 1 is in inserted fit with the positioning hole 11.

Referring to fig. 1 and 3, the knob 42 is disc-shaped, and the knob 42 is rotatably connected with the surface of the fixing sleeve 41 away from the first wall 1. The dwang 43 is round shaft-like, and dwang 43 one end and the side fixed connection that knob 42 is close to first wall body 1, and the dwang 43 other end is worn to establish to fixed sleeve 41 in, and the axis of dwang 43 coincides with fixed sleeve 41's axis. The gear 44 is sleeved on one end of the rotating rod 43 extending into the fixing sleeve 41, and the gear 44 is fixedly connected with the rotating rod 43. The rack 45 is disposed in the fixing sleeve 41, and the rack 45 is engaged with the gear 44. The inner side wall of the fixing sleeve 41 is provided with a socket 411, and the opening of the socket 411 is rectangular. The fixture block 46 is rectangular, the fixture block 46 is horizontally arranged, a side surface of the fixture block 46 is in insertion fit with an inner side wall of the insertion port 411, one end of the fixture block 46, which is far away from the rotating rod 43, extends out of the fixing sleeve 41, one end of the fixture block 46, which extends out of the fixing sleeve 41, is in insertion fit with the first wall 1, and one end of the fixture block 46, which is close to the rotating rod 43, is fixedly connected with the rack 45. An operator rotates the knob 42, the knob 42 rotates to drive the rotating rod 43 to rotate, and the rotating rod 43 rotates to enable the gear 44 to rotate. The gear 44 is meshed with the rack 45, the rack 45 is moved by the rotation of the gear 44, and the rack 45 moves to push the fixture block 46 to penetrate through the fixing sleeve 41 and to be in plug fit with the first wall 1.

Referring to fig. 1, the sound-absorbing plate 5 is a polyester fiberboard, the sound-absorbing plate 5 is a rectangular plate, the sound-absorbing plate 5 is fixedly bonded to the side surface of the galvanized steel plate 3 away from the first wall 1, and the areas of the side surfaces of the sound-absorbing plate 5 and the galvanized steel plate 3 close to each other are the same. The sound-absorbing board 5 is provided with a registration groove 51, the opening of the registration groove 51 is circular, and the registration groove 51 is matched with one end of the fixing sleeve 41 far away from the first wall 1 in an inserting manner.

Referring to fig. 1 and 4, the cavity layer 6 is rectangular frame-shaped, a framework 61 is arranged in the cavity layer 6, the framework 61 is honeycomb-shaped, the framework 61 is fixedly connected with the inner side wall of the cavity layer 6, sound-absorbing paint is sprayed on the framework 61, and the sound-absorbing paint is inorganic fiber sound-absorbing paint. Wear to be equipped with spliced pole 63 in the cavity layer 6, spliced pole 63 is cylindric, spliced pole 63 and cavity layer 6 fixed connection, and spliced pole 63 one end and galvanized steel sheet 3 fixed connection, the spliced pole 63 other end pass acoustic celotex board 7 and extend to with second wall body 2 in, the one end that spliced pole 63 stretched into second wall body 2 is fixed with stopper 65. The limiting block 65 is rectangular block-shaped, and the limiting block 65 is favorable for preventing the connecting column 63 from being separated from the second wall body 2, so that the stability of the wall body structure is improved.

Referring to fig. 1, the sound insulation board 7 is a rock wool board, the sound insulation board 7 is a rectangular board, the sound insulation board 7 is disposed between the second wall body 2 and the cavity layer 6, and the sound insulation board 7 is bonded and fixed to the side surface of the second wall body 2 close to the first wall body 1. The side of the baffle 7 close to the second wall 2 is fixed with a bulge 71, and the bulge 71 is hemispherical. The second wall 2 is provided with a groove 21, the groove 21 is hemispherical, and the groove 21 is in inserted fit with the protrusion 71. The spherical surface of the protrusion 71 on the sound insulation board 7 is attached to and abutted against the inner side wall of the groove 21 on the second wall body 2, so that the sound insulation board 7 is more firmly connected with the second wall body 2. And the contact area of the sound insulation board 7 and the second wall body 2 is larger due to the arrangement of the bulge 71, and the larger the noise reflection area of the sound insulation board 7 is, so that the noise reduction effect of the sound insulation board 7 is favorably improved.

The implementation principle of the wall structure capable of effectively reducing noise in the embodiment of the application is as follows: the noise passes through first wall body 1 and propagates second wall body 2, can be according to this through galvanized steel sheet 3, abatvoix 5, cavity layer 6 and acoustic celotex board 7, and galvanized steel sheet 3's a part of sound wave of galvanized surface reflection, and acoustic hole 31 makes the noise reduce, and abatvoix 5, cavity layer 6 and acoustic celotex board 7 filter the noise layer upon layer, further improves the ability of wall body to the noise reduction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wall structure that can effectively reduce noise, includes first wall body (1) that is close to the noise source, keeps away from second wall body (2) of noise source, its characterized in that: the wall body is characterized by further comprising a galvanized steel plate (3) fixed on the first wall body (1), a sound absorption plate (5) fixed on the galvanized steel plate (3), a cavity layer (6) and a sound insulation plate (7) fixed on the second wall body (2), wherein the galvanized steel plate (3) is sequentially arranged from the first wall body (1) to the second wall body (2), and the sound absorption hole (31) is formed in the galvanized steel plate (3).

2. A wall structure capable of effectively reducing noise according to claim 1, wherein: be provided with connecting piece (4) on galvanized steel sheet (3), connecting piece (4) including wearing to locate fixed sleeve (41) on galvanized steel sheet (3), set up in knob (42) on fixed sleeve (41), wear to locate fixed sleeve (41) and with knob (42) fixed connection's dwang (43), cover are located gear (44) on dwang (43), be used for with rack (45) of gear (44) meshing, be fixed in fixture block (46) on rack (45), fixture block (46) pass fixed sleeve (41) and with the cooperation of pegging graft of first wall body (1).

3. A wall structure capable of effectively reducing noise according to claim 2, wherein: the sound-absorbing board (5) is a polyester fiber board, the sound-absorbing board (5) is provided with a positioning groove (51), and the positioning groove (51) is in inserting fit with the fixing sleeve (41).

4. A wall structure capable of effectively reducing noise according to claim 1, wherein: be provided with skeleton (61) in cavity layer (6), skeleton (61) are cellular, the spraying sound absorption coating on skeleton (61) inside wall.

5. A wall structure capable of effectively reducing noise according to claim 1, wherein: the galvanized steel plate hollow wall is characterized in that the cavity layer (6) is provided with a connecting sleeve (62), a connecting column (63) penetrates through the connecting sleeve (62), one end of the connecting column (63) is fixedly connected with the galvanized steel plate (3), and the other end of the connecting column (63) is fixedly connected with the second wall body (2).

6. A wall structure capable of effectively reducing noise according to claim 5, wherein: connecting sleeve (62) both ends cover is equipped with fixed disk (64), fixed disk (64) are made by rubber, fixed disk (64) with connecting sleeve (62) threaded connection, fixed disk (64) inlay respectively and locate acoustic panel (5) with in acoustic celotex board (7).

7. A wall structure capable of effectively reducing noise according to claim 5, wherein: one end, far away from first wall body (1), of connecting column (63) is arranged in penetrating through second wall body (2), be fixed with stopper (65) on connecting column (63), stopper (65) set up in second wall body (2).

8. A wall structure capable of effectively reducing noise according to claim 1, wherein: one side that acoustic celotex board (7) are close to second wall body (2) is provided with arch (71), the one end of second wall body (2) is provided with recess (21), arch (71) with recess (21) are pegged graft the cooperation.