CN210832423U

CN210832423U - Split type uniflow new fan

Info

Publication number: CN210832423U
Application number: CN201921736495.9U
Authority: CN
Inventors: 杨世金
Original assignee: Chengdu Jingkangju Environmental Protection Technology Co ltd
Current assignee: Chengdu Jingkangju Environmental Protection Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-23
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a split type one-way flow new fan, a great problem of noise for solve current one-way flow new fan in the use, including the fan pipe, receive the mechanism, the host computer, fan pipe and host computer intercommunication, let in the host computer with the ambient air, receive that to close the mechanism and be located the fan outside of tubes, including the driven lever, the driving lever, the ejector pad, the driving lever articulates at the driven lever middle part, outwards release the driving lever through the ejector pad motion, the driven lever is strutted, the driven lever sets up around the fan pipe, can be fixed with the fan pipe after the driven lever expandes, when needing to withdraw, remove the ejector pad and can withdraw the driven lever, consequently the installation is simple, in addition, receive and close still to be provided with sound insulation material in the mechanism, can be with the vibration elimination on the fan pipe, the noise reduction.

Description

Split type uniflow new fan

Technical Field

The utility model belongs to the technical field of the new trend system, concretely relates to new fan of split type unidirectional flow.

Background

The fresh air system is a set of independent air processing system which is used for purifying outdoor air and leading the outdoor air into a room and discharging the indoor air to the outside, and can be divided into a pipeline fresh air system and a single fresh air machine according to the installation mode, wherein the pipeline fresh air system is mainly used in large spaces such as schools, super-large businesses and the like, air exchange is carried out through a pipeline and is integrated into a central air conditioner to achieve a good using effect, but the fresh air system is very troublesome to clean and needs to be cleaned by professional companies, the using cost is high, the single fresh air machine is a fresh air machine which is used in families at present, holes are formed in the wall surface, the fresh air machine is connected with the outside, the processed air is led into the room, the indoor air is discharged through the gaps of doors and windows by utilizing the micro-positive pressure principle, the energy consumption is lower than that of the first type, the subsequent cost for cleaning the pipeline is avoided, the application range is wide, will hardly tolerate at the family use, because need improve stronger wind pressure in the use, just can filter out the air current from filtering component, the wind pressure is big more, and the noise that the fan operation produced is big more, and the vibration that the fan operation produced simultaneously can transmit to the surface, and sends out the noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a new fan of split type unidirectional flow not only can reduce the noise in the use, and it is all very convenient to install and maintain moreover.

The following technical scheme is adopted for achieving the purpose:

a split one-way flow fresh air machine comprising: the fan pipe penetrates through a through hole of the wall body to communicate outside air with the host, the fan pipe comprises an impeller and an air inlet pipe, wherein the impeller is arranged in the air inlet pipe at a position close to the outer end of the air inlet pipe, and the outer wall of the air inlet pipe is provided with a plurality of sections of tracks parallel to the axis; the main machine comprises an air inlet pipe, an air outlet pipe, a filter screen and a baffle plate, wherein the baffle plate divides the internal space of the main machine into two parts, the larger part is used for placing the filter screen, the smaller part is communicated with the air outlet pipe, a plurality of through holes are formed in the baffle plate, and filtered air passes through the baffle plate and then is discharged from the air outlet pipe;

the folding mechanism comprises a driven rod, a driving rod, a sliding block, a stop block and a stop pin, one end of the driven rod is hinged to the air inlet pipe, the other end of the driven rod is a free end, the middle of the driven rod is hinged to one end of the driving rod, the other end of the driving rod is hinged to the sliding block, the sliding block moves on the air inlet pipe to adjust the opening angle of the driven rod, the sliding block is connected with a push block through a connecting rod, the push block is located in the inward direction of the sliding block, the stop block is a short pipe with the top surface extending to the plane, the stop block is strung in the air inlet pipe and abuts against the push block during use, and the stop.

Furthermore, a vibration damping ring is arranged in the wall through hole, the cross section of the vibration damping ring is the same as the inner diameter of the wall through hole, and the length of the vibration damping ring is the same as the wall thickness.

Furthermore, the driven rods are distributed around the air inlet pipe instead of being arranged in a plurality of strips, and the hinged points of the driven rods and the air inlet pipe are positioned on the same plane perpendicular to the axis of the ventilation pipe.

Furthermore, a sound insulation material is filled between the sliding block and the stop block.

The utility model discloses following beneficial effect has at least:

(1) the fan in the new fan is arranged separately from other components, the fan is arranged outdoors, and the noise generated by the fan is isolated by utilizing the wall body.

(2) When the driven rod and the driving rod of the folding mechanism are unfolded, the fan can be fixed outdoors, and when the fan is recovered, the fan can be taken back only by folding the folding mechanism, so that the fan folding device is convenient to install.

(3) The driven lever contacts with the fan to transmit the vibration generated by the fan to the wall body for dispersion, and the other part is absorbed by the damping ring and the sound-absorbing material arranged on the pipe wall of the air inlet pipe, so that the noise in the operation process is reduced.

(4) The main engine is communicated with the air inlet pipe in a straight line, and the main engine adopts a cylindrical multi-layer filter screen structure, so that airflow can be dispersed and discharged from the cylindrical surface of the filter screen instead of being concentrated in a certain air duct after entering the filter screen, and therefore, the pressure is lower, and the generated wind noise is lower.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 schematically illustrates a schematic usage state diagram of a retracting mechanism part in the present invention;

fig. 2 schematically shows a schematic structural diagram of the main body part of the present invention;

fig. 3 schematically shows a partially enlarged view of a portion a in fig. 1;

wherein the figures include the following reference numerals:

11-impeller, 12-air inlet pipe, 13-track, 21-driven rod, 22-driving rod, 23-sliding block, 24-pushing block, 25-connecting rod, 26-stop block, 27-stop pin, 28-damping ring, 3-wall, 41-filter screen, 42-baffle, 43-air outlet pipe and 5-sound insulation material.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Examples

The split type unidirectional flow fresh air machine shown in fig. 1-3 is used for solving the problem that the existing unidirectional flow fresh air machine is high in noise in the using process and comprises a fan pipe, a folding mechanism and a host machine, wherein the fan pipe is communicated with the host machine and introduces outside air into the host machine, the folding mechanism is positioned outside the fan pipe and comprises a driven rod 21, a driving rod 22 and a pushing block 24, the driving rod 22 is hinged to the middle of the driven rod 21, the driving rod 22 is pushed out outwards through the movement of the pushing block 24 and further pushes the driven rod 21 open, the driven rod 21 is arranged around the fan pipe, the fan pipe can be fixed after the driven rod is unfolded, and when the driven rod is required to be retracted, the driven rod 21 can be retracted by moving the pushing block 24, so that the installation is simple, in addition, the folding mechanism is also provided with a sound insulation material 5, the vibration on the.

As shown in fig. 1, the fan tube includes an impeller 11, an air inlet tube 12, and a rail 13, the air inlet tube 12 passes through a through hole preset in the wall surface 3, one end of the air inlet tube 12 located in the room is communicated with the host machine and called an inner end, the other end is located in the outside and called an outer end, the impeller 11 is installed at a position close to the end of the outer end of the air inlet tube 12 to push the air at the outer end to enter the host machine, and the rail 13 is arranged on the outer wall of the air inlet tube 12 and parallel to the axis of the air inlet.

It should be noted that, before installation, a damping ring 28 is arranged in a through hole reserved on the wall 3, the damping ring 28 is made of an elastic material, the cross-sectional shape of the damping ring 28 is the same as the inner diameter of the through hole of the wall 3, the length of the damping ring is the same as the wall thickness, and after the damping ring is covered in the through hole of the wall 3, on one hand, the air inlet pipe can be prevented from being frequently in hard contact with the through hole of the wall 3 when the impeller 11 rotates, the contact can not only cause abrasion of the air inlet pipe but also generate large noise, on the other hand, vibration generated when the impeller 11 rotates can be buffered through the elastic material, noise generation is avoided, and the.

The folding mechanism is installed on a fan pipe and comprises a driven rod 21, a driving rod 22 and a sliding block 23, as shown in fig. 1, one end of the driven rod 21 is hinged with an air inlet pipe 12, the other end is a free end, more than one driven rod 21 is distributed around the air inlet pipe 12, the hinged point of the driven rod 21 and the air inlet pipe 12 is positioned on the same plane vertical to the axis of the ventilation pipe, the driven rods 21 are radially distributed by taking the air inlet pipe as the center when viewed along the axis direction of the air inlet pipe 12, after the driven rods 21 are unfolded and contacted with the wall surface, the radially arranged driven rods 21 can provide support for the air inlet pipe when the air inlet pipe is stressed by different wind directions, the middle part of the driven rod 21 is also hinged with one end of the driving rod 22, the other end of the driving rod 22 is hinged with the sliding block 23, as shown in fig. 1, when the sliding block 23 moves towards the, the slider 23 is fixed to the rail 13 and is movable on the rail 13.

It should be noted that: the length of the track 13 is far less than that of the ventilating pipe, if the track 13 is long, the opening angle is too large, the fan is closer to the wall 3, more noise is possibly transmitted to the indoor, and therefore the length of the track 13 can be flexibly adjusted by a user according to actual conditions.

As shown in fig. 1, the push blocks 24 move on the same track 13 as the slide block 23, the number and positions of the push blocks 24 correspond to those of the slide block 23 one by one, and the push blocks 24 and the slide block 23 are connected into a whole through a connecting rod 25, during installation, the slide block 23 can be adjusted by only pushing the position of the push block 24, as shown in fig. 3, the sound insulation material 5 is arranged between the push block 24 and the slide block 23, and during use, the influence of vibration of the impeller 11 is further reduced; after the driven rod 21 is unfolded, the sliding block 23 and the pushing block 24 are located at one end of the rail 13, a stop 26 is arranged on one inward side of the pushing block 24 to avoid the position change of the pushing block 24 and the sliding block 23 in the use process, the stop 26 is a short pipe with a top surface extending to a plane, as shown in fig. 1, the stop 26 is connected on the air inlet pipe in series, a round pipe part of the stop 26 is the same as the inner diameter of the damping ring 28, the stop is placed in the damping ring 28 in the use process to fix the position of the pushing block 24, the top surface plane part of the stop 26 is clamped outside a through hole of the wall 3, in addition, a stop pin 27 is further arranged on the air inlet pipe, and the stop.

The folding mechanism can keep the stability of installation, because when the ventilation pipe is forced towards the inner side of the air inlet pipe 12, the included angle between the driven rod 21 and the air inlet pipe 12 is increased, and the sliding block 23 is driven to move towards the outer end of the air inlet pipe 12, and the sliding block 23 does not continue to move any more because the sliding block 23 reaches the end point of the track; when the fan tube is pressed outwards, the stop pin 27 is stopped by the stop block 23 and cannot move outwards, so that the folding mechanism can ensure the stability of the installed fan tube.

As shown in fig. 2, the main frame includes an air inlet pipe 12, an air outlet pipe 43, a filter screen 41, and a baffle 42, the baffle 42 divides the internal space of the main frame into two parts, the larger part is used for placing the filter screen 41, the smaller part is communicated with the air outlet pipe 43, the filter screen 41 is vertically fixed on the baffle 42, the filter screen 41 is a barrel-shaped multi-layer filter screen 41, the air inlet pipe 12 extends into the innermost filter screen 41 of the barrel-shaped filter screen 41, air is introduced into the filter screen 41, the air sequentially passes through the multi-layer filter screen 41 outwards to be filtered along with the increase of pressure, the filtered air is discharged from the periphery of the filter screen 41, a plurality of through holes are uniformly arranged at the part of the baffle edge which is not used for fixing the filter screen 41, the filtered air passes.

The method of using the present embodiment is described below with reference to fig. 1:

firstly, the outer end of the air inlet pipe 12 extends out of the through hole of the wall body 3 until the driven rod 21 which is originally retracted outside the air inlet pipe 12 is completely positioned outside the wall body 3; then, the pushing block 24 is pushed to the outward end of the track 13, and the driven rod 21 is unfolded along with the outward pushing of the pushing block 24; then, the air inlet pipe 12 is pulled back until the driven rod 21 is contacted with the wall 3, the stop block 26 is placed in the through hole of the wall 3, and the stop block 26 is used for limiting the movement of the push block 24; finally, the stop pin 27 is inserted into the ventilation tube to prevent the outward movement of the intake tube 12.

As a preferred embodiment, the sound-proofing material is an acoustic felt.

In a preferred embodiment, the damping ring is made of rubber.

In this embodiment, the impeller, the filter screen, the rail, and the connection between the sliding block and the pushing block and the rail are well-established prior art, and therefore, detailed description thereof is omitted.

Claims

1. The utility model provides a new fan of split type unidirectional flow which characterized in that: the air conditioner comprises a fan pipe, a host and a folding mechanism, wherein the fan pipe penetrates through a through hole of a wall body to communicate outside air with the host, the fan pipe comprises an impeller and an air inlet pipe, the impeller is arranged in the air inlet pipe at a position close to the outer end of the air inlet pipe, and the outer wall of the air inlet pipe is provided with a plurality of sections of tracks parallel to the axis; the main machine comprises an air inlet pipe, an air outlet pipe, a filter screen and a baffle plate, wherein the baffle plate divides the internal space of the main machine into two parts, the larger part is used for placing the filter screen, the smaller part is communicated with the air outlet pipe, a plurality of through holes are formed in the baffle plate, and filtered air passes through the baffle plate and then is discharged from the air outlet pipe;

2. The split one-way flow fresh air machine according to claim 1, characterized in that: and the inside of the wall through hole is provided with a damping ring, the section shape of the damping ring is the same as the inner diameter of the wall through hole, and the length of the damping ring is the same as the wall thickness.

3. The split one-way flow fresh air machine according to claim 1, characterized in that: the driven rods are distributed around the air inlet pipe, and the hinged points of the driven rods and the air inlet pipe are positioned on the same plane perpendicular to the axis of the ventilation pipe.

4. The split one-way flow fresh air machine according to claim 1, characterized in that: and a sound insulation material is filled between the sliding block and the stop block.