CN214009510U - Central air conditioning air duct with silencing function - Google Patents

Abstract

The utility model relates to the technical field of air ducts, in particular to a central air conditioning air duct with a noise reduction function, which comprises an air duct, wherein the surface of the inner wall of the air duct is fixedly connected with a sound insulation board, the air outlet of the air duct is fixedly connected with a fixed frame through a bolt, a dust filter net is fixedly connected inside the fixed frame, the other side of the fixed frame is fixedly connected with a machine box, a driving component accommodating cavity and a dust collection box accommodating cavity are arranged inside the machine box, a driving component is arranged inside the driving component accommodating cavity, the driving component is connected with a dust cleaning mechanism, the dust cleaning mechanism is positioned above the dust filter net, and a dust collection box is connected inside the dust collection box accommodating cavity; through install the acoustic celotex board additional at the ventiduct inner wall, can play the syllable-dividing effect, set up rubber-shock absorber pad through the bolted connection department at fixed frame and ventiduct simultaneously, can play the cushioning effect between fixed frame and ventiduct to avoid taking place not hard up at the fixed frame junction after using for a long time, so that the condition emergence of vibration friction ventiduct noise production when the air-out.

Description

Central air conditioning air duct with silencing function

Technical Field

The utility model relates to a ventiduct technical field specifically is a central air conditioning ventiduct with amortization function.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner, and the air is intensively treated (such as a single machine, VRV) to achieve the comfort requirement. The principle of liquid gasification refrigeration is adopted to provide the required cold energy for the air conditioning system so as to offset the heat load of the indoor environment; the heating system provides the air conditioning system with the required heat to offset the indoor environment cooling and heating load. The refrigeration system is a vital part of the central air-conditioning system, and the type, the operation mode, the structural form and the like of the refrigeration system directly influence the economical efficiency, the high efficiency and the rationality of the central air-conditioning system in operation.

The ventilation pipe, the plate and the section used for manufacturing and installing the ventilation pipe and the air pipe and other main finished product materials meet the regulations of the national current standard of design and related products, and are proved by factory inspection to be qualified, and the materials are inspected and accepted according to the national current related standard when entering the field. The ventilating duct is divided into the following parts by material: generally, the following are provided: steel plate air pipes (common steel plates), galvanized plate (white iron) air pipes, stainless steel ventilation pipes, glass fiber reinforced plastic ventilation pipes, composite material ventilation pipes, color steel sandwich heat-preservation plate ventilation pipes, double-sided aluminum foil heat-preservation ventilation pipes, single-sided color steel heat-preservation air pipes, rubberized cloth ventilation pipes (such as mining air pipes), mining plastic ventilation pipes and the like.

The existing central air-conditioning air duct has higher noise, and the frame at the air outlet is not stably connected, so that the frame is easy to vibrate and rub against the air duct during air outlet to cause noise, thereby influencing the normal life of users; and after the central air-conditioning air duct is used for a long time, a large amount of dust is adhered to the inner wall of the central air-conditioning air duct, when the central air-conditioning air duct guides air into a user room through the air outlet, the dust adhered to the inner wall of the air duct can enter the user room along with the air, the indoor air quality is influenced, and the harm is caused to the health of the user.

Disclosure of Invention

An object of the utility model is to provide a central air conditioning air duct with amortization function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a central air conditioning ventiduct with sound deadening function, includes the ventiduct, the inner wall fixed surface of ventiduct is connected with the acoustic celotex board, the fixed frame of bolt fixedly connected with is passed through in the air outlet department of ventiduct, the inside fixedly connected with of fixed frame strains the dirt net, the opposite side fixedly connected with machine box of fixed frame, the inside of machine box is equipped with drive assembly holding chamber and dust collection box holding chamber, the drive assembly holding intracavity portion is equipped with drive assembly, drive assembly is connected with deashing mechanism, deashing mechanism is located the top of straining the dirt net, the internal connection in dust collection box holding chamber has the dust collection box.

Preferably, the driving assembly comprises a driving gear and a driven gear, the driving gear and the driven gear are both rotatably connected in the driving assembly accommodating cavity, the driving gear is meshed with the driven gear, the driving gear is fixedly connected with an output shaft of an ash removal motor, the ash removal motor is fixedly connected to the top of the dust collection box accommodating cavity, one end of a first connecting rod is fixed to one end of the surface of the driven gear, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is rotatably connected to the ash removal mechanism.

Preferably, the deashing mechanism includes deashing brush and two parallel arrangement's slide bar, two the slide bar is fixed connection respectively in the both sides of dust screen, the equal fixedly connected with sliding sleeve in both ends of deashing brush, two sliding sleeve sliding connection is respectively on two slide bars, the brush part of deashing brush contacts with the surface of dust screen, the back of deashing brush is connected with the one end rotation of connecting rod two.

Preferably, the surfaces of the two side walls of the dust collecting box are fixedly connected with sliding blocks, the surfaces of the inner walls of the two sides of the fixing frame are provided with sliding grooves, and the sliding blocks are connected in the sliding grooves in a sliding mode.

Preferably, one end of the dust collecting box is fixedly connected with a snap ring, the surface of the outer wall of one side, close to the snap ring, of the fixing frame is fixedly connected with a fixing seat, the fixing seat is connected with a fixing pin in a sliding mode, the upper end of the fixing pin is fixedly connected with a first limiting block, the lower portion of the fixing pin is fixedly connected with a second limiting block, a compression spring is sleeved on the fixing pin and located between the fixing seat and the second limiting block, the other side of the lower portion of the fixing pin is provided with a fixing groove, and the fixing groove is matched with the snap ring; the other side of the dust collection box is fixedly connected with one ends of two tension springs, and the other ends of the two tension springs are fixedly connected to the inner wall of the dust collection box accommodating cavity.

Preferably, the bolt connection part of the fixing frame and the ventilation duct is provided with a shock-absorbing rubber pad.

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

1) this central air conditioning ventiduct with sound deadening function through install the acoustic celotex board additional at the ventiduct inner wall, can play the syllable-dividing effect, sets up rubber gasket through the bolted connection department at fixed frame and ventiduct simultaneously, can play the cushioning effect between fixed frame and ventiduct to avoid taking place not hard up in the fixed frame junction after long-term the use, so that the condition of vibration friction ventiduct noise production takes place when the air-out.

2) According to the central air-conditioning air duct with the noise reduction function, the dust filter screen is arranged in the fixing frame, so that air passing through the air outlet can be filtered, dust attached to the inner wall of the air duct can be effectively prevented from entering a room, and the health of a user is protected; meanwhile, the dust filter screen can be cleaned regularly by arranging the dust cleaning mechanism, so that the problem that the indoor air flow flux is reduced due to the reduction of ventilation caused by the blockage of the dust filter screen is avoided; the dust collecting box is connected with the dust collecting groove through the tension spring in the dust collecting box accommodating groove, so that the dust collecting box can be pulled out to collect dust when the dust filter screen is cleaned by the dust cleaning mechanism, and the dust is prevented from falling into a room to influence indoor sanitation; when the central air conditioner leads air into a user room through the air duct and the air outlet, the dust filter screen filters the air in the air outlet; when the dust filter screen needs to be cleaned, the dust collection box is pulled out, the dust collection box is moved into the fixing frame along the direction of the sliding groove, the fixing pin is pressed upwards, when the retaining ring moves to the position below the fixing pin, the fixing pin is loosened, the fixing pin is driven to descend by the pressure spring, and then the fixing groove on the surface of the fixing pin of the dust collection box is loosened to be matched with the retaining ring to fix the dust collection box; the dust cleaning motor is started, an output shaft of the dust cleaning motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the dust cleaning brush to reciprocate on the surface of the dust filter screen along the direction of the sliding rod through the first connecting rod and the second connecting rod, and therefore dust attached to the surface of the dust filter screen is cleaned into the dust collecting box.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the ash removal mechanism of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

1 ventilation duct, 2 acoustic celotex board, 3 fixed frame, 4 dust filter screens, 5 quick-witted boxes, 6 drive assembly holding chamber, 7 dust-collecting box holding chamber, 8 dust-collecting box, 9 driving gear, 10 driven gear, 11 deashing motors, 12 connecting rod one, 13 connecting rod two, 14 deashing brushes, 15 slide bars, 16 sliding sleeves, 17 sliders, 18 spout, 19 buckle, 20 fixing base, 21 fixed pin, 22 stopper one, 23 stopper two, 24 pressure spring, 25 fixed slots, 26 extension springs, 27 shock-absorbing rubber pads.

Detailed Description

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

Referring to fig. 1 to 3, the present invention provides a technical solution: a central air conditioning air duct with a noise reduction function comprises an air duct 1, wherein a sound insulation plate 2 is fixedly connected to the surface of the inner wall of the air duct 1, a fixing frame 3 is fixedly connected to the air outlet of the air duct 1 through a bolt, a dust filtering net 4 is fixedly connected to the inside of the fixing frame 3, a machine box 5 is fixedly connected to the other side of the fixing frame 3, a driving assembly accommodating cavity 6 and a dust collecting box accommodating cavity 7 are arranged inside the machine box 5, a driving assembly is arranged inside the driving assembly accommodating cavity 6 and connected with an ash cleaning mechanism, the ash cleaning mechanism is located above the dust filtering net 4, a dust collecting box 8 is connected inside the dust collecting box accommodating cavity 7, and a damping rubber pad 27 is arranged at the bolt connection part of the fixing frame 3 and the air duct 1; the sound insulation board 2 is additionally arranged on the inner wall of the air duct 1, so that a sound insulation effect can be achieved, and meanwhile, the shock absorption rubber pad 27 is arranged at the bolt connection position of the fixing frame 3 and the air duct 1, so that a buffering effect can be achieved between the fixing frame 3 and the air duct 1, and the situation that the connection position of the fixing frame 3 is loosened after long-term use and the noise is generated by vibrating and rubbing the air duct 1 during air outlet is avoided; through set up the dirt screen 4 in fixed frame 3, can filter the air through in the air outlet, can effectively avoid the air to carry the dust that 1 inner wall of ventiduct was stained with and attaches and get into indoorly, play the guard action to user's health.

The dust collection box comprises a dust collection box accommodating cavity 7, a driving assembly, a dust collection box accommodating cavity, a driving assembly and a driven assembly, wherein the driving assembly comprises a driving gear 9 and a driven gear 10, the driving gear 9 and the driven gear 10 are both rotatably connected in the driving assembly accommodating cavity 6, the driving gear 9 is meshed with the driven gear 10, the driving gear 9 is fixedly connected with an output shaft of a dust collection motor 11, the dust collection motor 11 is fixedly connected to the top of the dust collection box accommodating cavity 7, one end of the surface of the driven gear 10 is fixedly connected with one end of a first connecting rod 12, the other end of the first connecting rod 12 is rotatably connected with one end of a second connecting rod 13, and the other end of the second connecting rod 13 is rotatably connected with a dust collection mechanism; the ash removal mechanism comprises an ash removal brush 14 and two sliding rods 15 which are arranged in parallel, the two sliding rods 15 are respectively and fixedly connected to two sides of the dust filter screen 4, two ends of the ash removal brush 14 are respectively and fixedly connected with sliding sleeves 16, the two sliding sleeves 16 are respectively and slidably connected to the two sliding rods 15, a brush part of the ash removal brush 14 is in contact with the surface of the dust filter screen 4, and the back of the ash removal brush 14 is rotatably connected with one end of the second connecting rod 13; can regularly clear up dust filter 4 through setting up deashing mechanism, avoid causing the air volume to reduce so that the problem of indoor air flux decline appears because of dust filter 4 blocks up.

Wherein, the surfaces of the two side walls of the dust collecting box 8 are fixedly connected with sliding blocks 17, the surfaces of the inner walls of the two sides of the fixed frame 3 are provided with sliding grooves 18, and the sliding blocks 17 are connected in the sliding grooves 18 in a sliding way; one end of the dust collection box 8 is fixedly connected with a snap ring 19, the outer wall surface of one side of the fixing frame 3 close to the snap ring 19 is fixedly connected with a fixing seat 20, the fixing seat 20 is connected with a fixing pin 21 in a sliding manner, the upper end of the fixing pin 21 is fixedly connected with a first limiting block 22, the lower part of the fixing pin 21 is fixedly connected with a second limiting block 23, a pressure spring 24 is sleeved on the fixing pin 21 and is positioned between the fixing seat 20 and the second limiting block 23, the other side of the lower part of the fixing pin 21 is provided with a fixing groove 25, and the fixing groove 25 is matched with the snap ring 19; one ends of two tension springs 26 are fixedly connected with the other side of the dust collection box 8, and the other ends of the two tension springs 26 are fixedly connected on the inner wall of the dust collection box accommodating cavity 7; the dust collecting box 8 is connected in the dust collecting box accommodating groove 7 through a tension spring 26, and the dust collecting box 8 can be pulled out to collect dust when the dust cleaning mechanism cleans the dust filtering net 4, so that the dust is prevented from falling into the room to influence the indoor sanitation.

Principle of operation

When the central air conditioner leads air into a user room through the air duct 1 and the air outlet, the dust filtering net 4 filters the air in the air outlet; when the dust filter 4 needs to be cleaned, the dust collection box 8 is pulled out, the dust collection box 8 is moved into the fixing frame 3 along the direction of the sliding groove 18, the fixing pin 21 is pressed upwards, when the retaining ring 19 is moved to the position below the fixing pin 21, the fixing pin 21 is loosened, the fixing pin 21 is driven to descend by the pressure spring 24, then the dust collection box 8 is loosened, and the fixing groove 25 on the surface of the fixing pin 21 is matched with the retaining ring 19 to fix the dust collection box 8; starting the ash removal motor 11, driving the driving gear 9 to rotate by an output shaft of the ash removal motor 11, driving the driven gear 10 to rotate by the driving gear 9, and driving the ash removal brush 14 to reciprocate on the surface of the dust filter screen 4 along the direction of the sliding rod 15 by the driven gear 10 through the first connecting rod 12 and the second connecting rod 13, so that dust adhered to the surface of the dust filter screen 4 is removed into the dust collection box 8; the dust filtering net 4 is arranged in the fixed frame 3, so that air passing through the air outlet can be filtered, dust attached to the inner wall of the air duct 1 can be effectively prevented from entering a room, and the body health of a user is protected; meanwhile, the dust filter screen 4 can be cleaned regularly by arranging the dust cleaning mechanism, so that the problem that the indoor air flow flux is reduced due to the reduction of ventilation caused by the blockage of the dust filter screen 4 is avoided; the dust collecting box 8 is connected in the dust collecting box accommodating groove 7 through a tension spring 26, and the dust collecting box 8 can be pulled out to collect dust when the dust cleaning mechanism cleans the dust filtering net 4, so that the dust is prevented from falling into the room to influence the indoor sanitation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a central air conditioning air duct with sound deadening function, includes air duct (1), its characterized in that, the inner wall fixed surface of air duct (1) is connected with acoustic celotex board (2), the air outlet department of air duct (1) passes through the fixed frame of bolt fixedly connected with (3), the inside fixedly connected with of fixed frame (3) strains dirt net (4), opposite side fixedly connected with machine box (5) of fixed frame (3), the inside of machine box (5) is equipped with drive assembly holding chamber (6) and dust collection box holding chamber (7), the inside drive assembly that is equipped with in drive assembly holding chamber (6), drive assembly is connected with deashing mechanism, deashing mechanism is located the top of straining dirt net (4), the internal connection of dust collection box holding chamber (7) has dust collection box (8).

2. The central air-conditioning air duct with the noise reduction function according to claim 1, wherein the driving assembly comprises a driving gear (9) and a driven gear (10), the driving gear (9) and the driven gear (10) are both rotatably connected in the driving assembly accommodating cavity (6), the driving gear (9) is meshed with the driven gear (10), the driving gear (9) is fixedly connected with an output shaft of an ash removal motor (11), the ash removal motor (11) is fixedly connected to the top of the dust collection box accommodating cavity (7), one end of the surface of the driven gear (10) is fixedly connected with one end of a first connecting rod (12), the other end of the first connecting rod (12) is rotatably connected with one end of a second connecting rod (13), and the other end of the second connecting rod (13) is rotatably connected to an ash removal mechanism.

3. The central air-conditioning air duct with the noise reduction function according to claim 1, wherein the dust removal mechanism comprises a dust removal brush (14) and two parallel sliding rods (15), the two sliding rods (15) are respectively and fixedly connected to two sides of the dust filtering net (4), two ends of the dust removal brush (14) are respectively and fixedly connected with a sliding sleeve (16), the two sliding sleeves (16) are respectively and slidably connected to the two sliding rods (15), a brush part of the dust removal brush (14) is in contact with the surface of the dust filtering net (4), and the back of the dust removal brush (14) is rotatably connected with one end of the second connecting rod (13).

4. The central air-conditioning ventilation duct with the noise reduction function according to claim 1, wherein sliding blocks (17) are fixedly connected to the surfaces of the two side walls of the dust collection box (8), sliding grooves (18) are formed in the surfaces of the inner walls of the two sides of the fixed frame (3), and the sliding blocks (17) are slidably connected in the sliding grooves (18).

5. The central air-conditioning ventilation duct with the noise reduction function according to claim 1, wherein one end of the dust collection box (8) is fixedly connected with a snap ring (19), the fixed frame (3) is fixedly connected with a fixed seat (20) on the outer wall surface of one side close to the snap ring (19), a fixed pin (21) is slidably connected with the fixed seat (20), a first limit block (22) is fixedly connected with the upper end of the fixed pin (21), a second limit block (23) is fixedly connected with the lower part of the fixed pin (21), a compressed spring (24) is sleeved on the fixed pin (21), the compressed spring (24) is positioned between the fixed seat (20) and the second limit block (23), a fixed groove (25) is formed on the other side of the lower part of the fixed pin (21), and the fixed groove (25) is matched with the snap ring (19); the other side of the dust collection box (8) is fixedly connected with one end of two tension springs (26), and the other end of each tension spring (26) is fixedly connected to the inner wall of the dust collection box accommodating cavity (7).

6. The central air-conditioning air duct with the silencing function according to claim 1, characterized in that the bolt joint of the fixing frame (3) and the air duct (1) is provided with a shock-absorbing rubber pad (27).

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