CN212132843U

CN212132843U - Air dividing box

Info

Publication number: CN212132843U
Application number: CN202020899150.1U
Authority: CN
Inventors: 徐巍; 周仁智; 朱云龙; 谢锋
Original assignee: Lianfeng Environment Technology Shanghai Co ltd
Current assignee: Lianfeng Environment Technology Shanghai Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-11
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a divide bellows relates to indoor ventilation technical field. The air distribution box comprises a box body and an air outlet arranged on the box body, wherein an air inlet is formed in the box body, a silencing assembly used for reducing noise is horizontally arranged in the box body, a fixed key used for fixing the silencing assembly is arranged on the box body, and a wind speed regulating valve is arranged on the air outlet. The utility model has the advantages of simple structure, reliable operation and noise pollution reduction.

Description

Air dividing box

Technical Field

The utility model belongs to the technical field of the indoor ventilation technique and specifically relates to a divide bellows is related to.

Background

The air dividing box is a box body which conveys the supplied fresh air to a place needing the fresh air through a plurality of branch pipes, has the advantages of simplicity, high efficiency and incapability of replacing other similar components, and is widely applied to the operation of central air conditioners and blowers.

The traditional Chinese patent with publication number CN209960717U discloses a multifunctional air dividing box, which comprises an air dividing box body, wherein a plurality of air outlet windows are arranged on the periphery of the air dividing box body, and an air inlet window is arranged on the front side or the rear side of the air dividing box body; air-out window position can be dismantled and be provided with air-out mechanism, and air-in window position can be dismantled and be provided with first air inlet connector, and air-out mechanism is provided with the base, is provided with a plurality of air outlets on the base, can dismantle on the air outlet to be provided with the air-out connecting pipe. The periphery of the box body of the air distribution box is selectively and detachably provided with an air outlet mechanism, and air conveyed from an air inlet window at the front side or the rear side of the box body of the air distribution box can be selectively conveyed towards all directions around; when the ventilation conveying is not needed in one direction around the box body of the air distribution box, the air outlet can be sealed by the air baffle.

By adopting the scheme, in the actual work, the strong noise is generated when the wind enters the box body of the air distribution box under the severe condition, and the noise generated by the ventilation equipment of outdoor workers and the like can enter the room through the air distribution box to bring great noise pollution to the room, so that the physical and mental health of workers is influenced, and the part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the prior art problem, the utility model aims to provide a divide bellows has reduced noise pollution at air inlet in-process noise filtration with the help of the amortization subassembly, has improved staff's operational environment, helps ensure staff's physical and mental health.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a divide bellows, includes the box and sets up the air outlet on the box, be provided with the air inlet on the box, be provided with the amortization subassembly on the box, be provided with the air inlet on the box, be provided with the gas outlet on the box.

By adopting the technical scheme, in work, air enters the box body through the air inlet, noise is reduced by the noise reduction assembly, and the air is output through the air outlet, so that the purpose of reducing the noise is achieved; the noise pollution is reduced, the working environment of workers is improved, and the physical and psychological health of the workers is guaranteed.

The utility model discloses further set up to: the sound attenuation component comprises a honeycomb net and a sound absorption block, the sound absorption block is fixed on the inner wall of one side of the box body, and the honeycomb net is fixed on the sound absorption block.

By adopting the technical scheme, in actual work, noise passes through the small holes in the cellular network, so that the sound absorption block can fully absorb the noise, and the aim of reducing the noise is fulfilled, and the working environment of workers is improved.

The utility model discloses further set up to: the sound absorption block is an EPP block.

Through adopting above-mentioned technical scheme, EPP material has efficient noise isolation, helps promoting the noise cancelling effect of sound absorption piece, has improved staff's operational environment.

The utility model discloses further set up to: the middle parts of the honeycomb net and the sound absorption block are raised towards the middle part of the box body.

Through adopting above-mentioned technical scheme, with honeycomb net and inhale sound piece middle part to the protrusion of box middle part, enlarged the area of honeycomb net and the noise of inhaling the sound piece contact noise.

The utility model discloses further set up to: and a limiting block is formed on the side wall adjacent to the side wall where the sound absorption block is arranged in the box body, and the limiting block is abutted to one side of the cellular network deviating from the sound absorption block.

By adopting the technical scheme, the honeycomb net is fixed through the limiting block. When wind flows through, the honeycomb network and the sound absorption block can be prevented from shaking, and the stability of the honeycomb network and the sound absorption block can be ensured.

The utility model discloses further set up to: set up circular draw-in groove on the outlet duct, coaxial shaping has the installation ring piece on the outer wall that the box is close to gas outlet one end, the coaxial embedding of installation ring piece is to circular draw-in groove, be provided with the joint groove on the box, be provided with the fixed key on the outlet duct, the joint groove joint cooperation on fixed key and the box.

Through adopting above-mentioned technical scheme, the staff can carry on spacingly to the air outlet through fixed key and draw-in groove joint cooperation, has guaranteed the stability of air outlet.

The utility model discloses further set up to: the box body comprises a first half box and a second half box, and a sealing gasket is tightly abutted between the first half box and the second half box.

Through adopting above-mentioned technical scheme, support tight sealed pad between first half case and the half case of second, help guaranteeing the gas tightness of box.

The utility model discloses further set up to: the amortization subassembly is including inhaling the sound cotton, inhale the sound cotton setting on the box lateral wall.

Through adopting above-mentioned technical scheme, in the actual work, use and inhale the sound cotton as the amortization subassembly, specifically realize the subduction of amortization subassembly to the noise.

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

noise is absorbed and reduced by the noise reduction assembly, so that the working environment of workers is improved;

through the sealing gasket, the first half box, the second half box and the fixing plate are tightly connected, so that the air tightness of the box body is good.

Drawings

FIG. 1 is an axial view of an embodiment of a bellows assembly mainly showing the overall structure of a bellows;

FIG. 2 is a schematic view of an embodiment showing a mounted state of a muffler assembly;

FIG. 3 is an exploded view of a main embodiment of the silencer assembly;

FIG. 4 is an exploded view of an air outlet structure according to an embodiment;

fig. 5 is a schematic view of the sound-absorbing cotton structure according to the second embodiment.

Reference numerals: 1. a box body; 11. a first half-tank; 12. a second half-tank; 13. a clamping groove; 14. a circular slot; 15. installing a ring sheet; 2. an air inlet; 3. an air outlet; 31. an air outlet pipe; 32. a wind speed regulating valve; 4. a gasket; 5. a limiting block; 6. a noise reduction assembly; 61. a cellular network; 62. a sound absorbing block; 311. a fixed key; 63. and (5) sound absorption cotton.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

The first embodiment is as follows:

referring to the attached drawing 1, the air distributing box comprises a box body 1, an air inlet 2 arranged on the box body 1 and an air outlet arranged on the box body 1, wherein a silencing assembly 6 is arranged in the box body 1. In actual work, wind enters the box body 1 through the air inlet 2, noise enters the silencing assembly 6, and the wind is output through the air outlet 3, so that wind distribution is achieved.

An air inlet 2 is arranged on one side of the box body 1 in the length direction, and air outlets 3 are arranged on the other side of the box body 1 in the length direction and on two sides of the box body 1 in the width direction. The gas outlet 3 at one side of the box body 1 deviating from the gas inlet 2 in the length direction is

The air outlets 3 are arranged in a matrix mode, and are arranged on two sides of the width direction of the box body 1 at intervals along the length direction.

The tank 1 comprises a first half-tank 11 and a second half-tank 12. The first half case 11 and the second half case 12 are bolted. The sealing gasket 4 is tightly arranged between the first half-box 11 and the second half-box 12.

In practice, the gasket 4 is pressed tightly against the gasket 4 between the first half-tank 11 and the second half-tank 12, which helps to ensure the airtightness of the tank 1.

Referring to fig. 2 and 3, a sound-deadening assembly 6 is provided in the cabinet 1, and the sound-deadening assembly 6 includes a honeycomb net 61 and a sound-absorbing block 62. The sound absorption blocks 62 are EPP blocks, the number of the sound absorption blocks 62 is two, the two sound absorption blocks 62 are respectively and correspondingly attached to the two inner walls of the box body 1 in the thickness direction one by one, and the honeycomb net 61 is fixed on one side, close to each other, of the sound absorption blocks 62. Be provided with stopper 5 in the box 1, stopper 5 restriction EPP piece is along 1 thickness direction motion of box. Limiting blocks 5 are formed on the inner walls of the two sides of the first half box 11 in the width direction, two limiting blocks 5 are formed on the inner walls of the two sides of the first half box 11 in the width direction at intervals in the length direction, and the sound absorbing block 62 and the honeycomb net 61 are clamped between the bottom wall of the first half box 11 and the limiting blocks 5; two limiting blocks 5 are formed on the inner walls of the two sides of the second box body 1 in the width direction, and the sound absorption block 62 and the honeycomb net 61 in the second half box 12 are clamped between the bottom wall of the second half box 12 and the limiting blocks 5.

In actual work, the limiting block 5 is used for limiting the sound absorption block 62, and when wind flows through, the sound absorption assembly 6 can be prevented from shaking. The noise passes through the small holes on the honeycomb net 61, so that the sound absorption block 62 can fully absorb the noise, the aim of reducing the noise is realized, the working environment of workers is improved, and the physical and psychological health of the workers is favorably ensured.

Referring to fig. 4, an outlet pipe 31 is disposed on the outlet 3, and the outlet pipe 31 is disposed and extends along the outlet direction of the outlet 3. An air speed regulating valve 32 is arranged on the air outlet pipe 31. In actual work, the purpose of controlling the size of the outlet air is achieved through the air speed adjusting valve 32.

Set up circular draw-in groove 14 on the

outlet duct

31, 3 lateral walls of gas outlet coaxial shaping have installation ring piece 15, and installation ring piece 15 is coaxial to be embedded into on circular draw-in groove 14, has seted up joint groove 13 on the box 1, is provided with fixed key 311 on the outlet duct 31, and fixed key 311 sets up along 3 opening directions in the gas outlet, and fixed key 311 forms the joint cooperation with joint groove 13 on the box 1.

In operation, the fixed key 311 of the air outlet pipe 31 is matched with the clamping groove formed on the box body 1 in a clamping manner, so that the rotation of the air outlet pipe 31 is effectively prevented, and the stability of the air outlet pipe 31 is ensured.

The implementation principle of the above embodiment is as follows: in actual work, wind enters the box body 1 through the air inlet 2, noise impacts the honeycomb net 61 and the EPP block, the noise absorbs sound through the multiple holes of the honeycomb net 61 and contacts the EPP block, sound energy is converted into heat energy, the purpose of reducing the noise is achieved, and then the wind is output through the air outlet 3 along the air outlet pipe 31. In actual work, the size of the output air can be adjusted through the air speed adjusting valve 32. Through the mode, noise pollution is reduced, the working environment of workers is improved, and physical and psychological health of the workers is guaranteed.

The second embodiment is as follows:

referring to fig. 5, a wind-dividing box is different from the first embodiment in that: amortization subassembly 6 is spacing by stopper 5 including inhaling the sound cotton 63, inhales the sound cotton 63 and has one, inhales two sound cotton 63 and hugs closely with two inner walls one-to-one of 1 thickness direction of box respectively.

The implementation principle of the above embodiment is as follows: in the actual work, wind passes through air inlet 2 and gets into box 1, and the noise striking is on inhaling the sound cotton 63, and the noise is through inhaling the porous sound absorption of sound cotton 63, with acoustic energy conversion to heat energy, realizes the purpose of noise reduction, again along outlet duct 31 through gas outlet 3 with wind output. In actual work, the size of the output air can be adjusted through the air speed adjusting valve 32. Through the mode, noise pollution is reduced, the working environment of workers is improved, and physical and psychological health of the workers is guaranteed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a wind-dividing box, includes box (1) and sets up the air outlet on box (1), be provided with air inlet (2) on box (1), its characterized in that, be provided with amortization subassembly (6) that are used for subducing the noise in box (1).

2. A box according to claim 1, characterised in that said silencing assembly (6) comprises a cellular network (61) and a sound-absorbing block (62), said sound-absorbing block (62) being fixed to one side of the inner wall of the box (1), said cellular network (61) being fixed to the sound-absorbing block (62).

3. A box according to claim 2, characterised in that said sound-absorbing block (62) is an EPP block.

4. A box according to claim 2, characterised in that the honeycomb net (61) and the sound-absorbing block (62) are raised towards the middle of the box (1).

5. A wind-dividing box according to claim 1, characterized in that a limiting block (5) is formed on the side wall of the box body (1) adjacent to the side wall where the sound-absorbing block (62) is located, and any limiting block (5) abuts against one side of the honeycomb net (61) facing away from the sound-absorbing block (62).

6. The air dividing box according to claim 1, characterized in that an air outlet pipe (31) is communicated with the box body (1) at the air outlet (3), and an air speed regulating valve (32) is arranged on the air outlet pipe (31).

7. The air dividing box according to claim 6, characterized in that a circular clamping groove (14) is formed in the air outlet pipe (31), an installation ring piece (15) 15 is coaxially formed on the outer wall of one end, close to the air outlet (3), of the box body (1), the installation ring piece (15) is coaxially embedded into the circular clamping groove (14), a clamping groove (13) is formed in the box body (1), a fixed key (311) is arranged on the air outlet pipe (31), and the fixed key (311) is in clamping fit with the clamping groove (13) in the box body (1).

8. A box according to claim 1, characterised in that said box (1) comprises a first half-box (11) and a second half-box (12), said first half-box (11) and said second half-box (12) being provided with gaskets (4) in abutment therebetween.

9. A box according to claim 1, characterized in that said silencing assembly (6) comprises sound-absorbing cotton (63), said sound-absorbing cotton (63) being fixed to the inner wall of the box (1).