CN204591716U - The unidirectional ventilation fan of a kind of Novel pipe type - Google Patents
The unidirectional ventilation fan of a kind of Novel pipe type Download PDFInfo
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- CN204591716U CN204591716U CN201520102979.3U CN201520102979U CN204591716U CN 204591716 U CN204591716 U CN 204591716U CN 201520102979 U CN201520102979 U CN 201520102979U CN 204591716 U CN204591716 U CN 204591716U
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Abstract
The utility model relates to ventilation plant technical field, the unidirectional ventilation fan of especially a kind of Novel pipe type.It comprises blower fan shell, ventilation fan, bottom and safety check, and safety check comprises left gas lobe and right gas lobe, and the upper and lower edge side of bottom is provided with rotating shaft, left gas lobe and right gas lobe is respectively arranged with and is socketed on left axle sleeve in rotating shaft and right axle sleeve; Torsion spring is socketed with, one end of torsion spring and the surface, air side of left gas lobe offsets, the surface, air side of the other end and right gas lobe offsets in rotating shaft, between left axle sleeve and right axle sleeve.When ventilation fan action, the effect due to air pressure can make left gas lobe and right gas lobe support or oppose relative to bottom to rotate for ventilation fan direction, thus the air communication channel in blower fan shell is opened, and realizes the unidirectional conveying of air; When ventilation fan stops, left gas lobe and right gas lobe reset under the elastic force effect of torsion spring, air communication channel are closed, make the air of the air of blower fan shell outlet air end and outlet air end isolated, thus avoid outside air to pour in down a chimney or inner air output.
Description
Technical field
The utility model relates to ventilation plant technical field, the unidirectional ventilation fan of especially a kind of Novel pipe type.
Background technique
Pipeline-type air-exchange fan is a kind of ventilation equipment being widely used in industrial premises, building building, room ventilation ventilation or pipeline and pressurizeing; In such as kitchen, Rest Room, laboratory or resemble construction thing, for ensureing indoor negative pressure state, need to carry out unidirectional conveying to indoor air, at present in practical engineering application, usually the mode taked is by adding loaded check valve on the exhaust outlet of ventilator, to ensure that air-flow occurs the problem that outside air pours in down a chimney when oppositely can not carry or prevent blower fan from stopping; But this mode but there are the following problems: 1, windage produces noise greatly, easily, the unidirectional conveying effect of air and reverse-filling weak effect; 2, complex structure and design unreasonable, causes assembling inconvenience; 3, add the volume of ventilator, affect the outward appearance of blower fan, cause ventilator to be not easy to construction and installation.
Therefore, be necessary providing a kind of technological scheme of safety check and ventilation fan being carried out structure fusion, so that the needs of unidirectional air-supply can be met.
Model utility content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide that a kind of structure is simple, easy to loading and unloading, the unidirectional ventilation fan of Novel pipe type of the unidirectional conveying of air and reverse-filling Be very effective.
To achieve these goals, the utility model adopts following technological scheme:
The unidirectional ventilation fan of a kind of Novel pipe type, it comprises
One blower fan shell;
One ventilation fan, described ventilation fan is installed in blower fan shell;
One bottom, described bottom to be installed in blower fan shell and to be positioned at the outlet air end of ventilation fan;
One safety check, described safety check is ring piece shape structure, and described safety check to be socketed on bottom and to offset with the madial wall of blower fan shell;
Described safety check comprises the left gas lobe that the left hand edge profile line around bottom is arranged and the right gas lobe arranged around the right hand edge profile line of bottom, the upper and lower edge side of described bottom is provided with a rotating shaft, the two ends up and down of described left gas lobe are provided with a left axle sleeve, and the two ends up and down of described right gas lobe are provided with a right axle sleeve; Described left gas lobe is socketed in rotating shaft by left axle sleeve, described right gas lobe is socketed in rotating shaft by right axle sleeve, a torsion spring is socketed with, one end of described torsion spring and the surface, air side of left gas lobe offsets, the surface, air side of the other end and right gas lobe offsets in described rotating shaft, between left axle sleeve and right axle sleeve.
Preferably, described ventilation fan comprises the flabellum on motor, fan cover in hemispherical shell body structure and the sphere being arranged at fan cover in several ring weeks, and the described fan enclosure is loaded on the output shaft of motor; Described bottom is hemispherical shell body structure.
Preferably, described blower fan shell comprises assembly department, outlet section and inlet section, and described outlet section and inlet section be the assembled outlet air end in assembly department and air intake respectively;
Be provided with an installation sleeve and several rings week in described assembly department and the guide plate be distributed in uniformly on the outer wall of installation sleeve, installation sleeve and assembly department connect as one by described guide plate;
Described motor is installed in installation sleeve, and described fan cover is positioned at the air intake side of installation sleeve, and described safety check and bottom are installed in outlet section.
Preferably, it also comprises shell and Sound-proof material, and the sidewall of described blower fan shell offers sound insulation hole, and described Sound-proof material is wrapped in the outside of blower fan shell, and described shell is wrapped in the outside of Sound-proof material.
Preferably, it also comprises connecting device, described connecting device comprises the extension tube on the port being socketed on blower fan shell, the position that described extension tube contacts with blower fan shell is provided with reinforcement arm, described reinforcement arm is attached at outside the sidewall of blower fan shell, and the position that described extension tube contacts with blower fan shell is also provided with bandage.
Owing to have employed such scheme, the utility model passes through bottom and the safety check of setting, when when ventilation fan action, effect due to air pressure can make left gas lobe and right gas lobe rotate to ventilation fan direction relative to bottom, thus the air communication channel in blower fan shell is opened, realize the unidirectional conveying of air; When ventilation fan stops, left gas lobe and right gas lobe reset under the elastic force effect of torsion spring, air communication channel are closed, make the air of the air of blower fan shell outlet air end and outlet air end isolated, thus avoid outside air to pour in down a chimney or inner air output; Its structure is simple, has very strong use value and market popularization value.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model embodiment;
Fig. 3 is blower fan shell and the inner member STRUCTURE DECOMPOSITION schematic diagram thereof of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1 to Figure 3, the unidirectional ventilation fan of Novel pipe type of the present embodiment, it comprises:
The one blower fan shell A installed with the contraposition of airduct pipeline;
One ventilation fan, ventilation fan is installed in blower fan shell A;
One bottom 1, bottom 1 to be installed in blower fan shell A and to be positioned at the outlet air end of ventilation fan;
One safety check, safety check is ring piece shape structure, and safety check to be socketed on bottom 1 and to offset with the madial wall of blower fan shell A;
Safety check comprises the left gas lobe 2 that the left hand edge profile line around bottom 1 is arranged and the right gas lobe 3 arranged around the right hand edge profile line of bottom 1, a rotating shaft 4 is provided with at the upper and lower edge side of bottom 1, be provided with a left axle sleeve 5 at the two ends up and down of left gas lobe 2, be provided with a right axle sleeve 6 at the two ends up and down of right gas lobe 3; Left gas lobe 2 is socketed in rotating shaft 4 by left axle sleeve 5, right gas lobe 3 is socketed in rotating shaft 4 by right axle sleeve 6, a torsion spring 7 is socketed with, one end of torsion spring 7 and the surface, air side of left gas lobe 2 offsets, the surface, air side of the other end and right gas lobe 3 offsets in rotating shaft 4, between left axle sleeve 5 and right axle sleeve 6.So, when ventilation fan action, the direction that the effect due to air pressure can make left gas lobe 2 and right gas lobe 3 support or oppose for ventilation fan relative to bottom 1 rotates, thus the air communication channel in blower fan shell A is opened, and realizes the unidirectional conveying of air; When ventilation fan stops, left gas lobe 2 and right gas lobe 3 reset under the elastic force effect of torsion spring 7, air communication channel in blower fan shell A is closed, makes the air of the air of blower fan shell A outlet air end and outlet air end isolated, thus avoid outside air to pour in down a chimney or inner air output.
According to fluid mechanics principle, for reducing resistance and the noise of air conveying to greatest extent, the ventilation fan of the present embodiment comprises the flabellum 10 on motor 8, fan cover 9 in hemispherical shell body structure and the sphere being arranged at fan cover 9 in several ring weeks; Wherein, fanning cover 9 is set on the output shaft of motor 8; Accordingly, the bottom 1 of the present embodiment is also arranged to hemispherical shell body structure; So, can ensure that air circulates smoothly.
Further, for simplifying the structure of whole blower fan to greatest extent, and be convenient to carry out assembly and disassembly to blower fan itself, the blower fan shell A of the present embodiment comprises assembly department 11, outlet section 12 and inlet section 13, and outlet section 12 and inlet section 13 be the assembled outlet air end in assembly department 11 and air intake respectively; In assembly department 11, be provided with an installation sleeve 14 and several rings week and the guide plate 15 be distributed in uniformly on the outer wall of installation sleeve 14, utilize guide plate 15 installation sleeve 14 and assembly department 11 to be connected as one; , motor 8 can be installed in installation sleeve 14, fan the air intake side that cover 9 is then positioned at installation sleeve 11, safety check and bottom 1 are installed in outlet section 12 meanwhile.So, air can be made to be transferred along between installation sleeve 14 and blower fan shell A, between bottom 1 and blower fan shell A; Meanwhile, dismounting maintenance can be carried out at any time between each associated components, drastically increase the convenience of the use and maintenance of blower fan own.
For improving the muting function of whole blower fan, the blower fan of the present embodiment also comprises shell 16 and Sound-proof material 17, and the sidewall of blower fan shell A (being specially on assembly department 11, outlet section 12 and inlet section 13) offers sound insulation hole 18; Wherein, Sound-proof material 17 is wrapped in the outside of blower fan shell A, shell 16 is wrapped in the outside of Sound-proof material 17, the shell 16 of the present embodiment can be assembled by the housing of two Relative distribution, with this, not only Sound-proof material 17 can be wrapped on blower fan shell A, also can so that the inner member of dismounting or replacing Sound-proof material 17 and blower fan.
For ease of construction and installation and the dismounting of blower fan, the blower fan of the present embodiment also comprises connecting device, connecting device comprise be socketed on blower fan shell A port (i.e. the port of outlet section 12 and inlet section 13) on extension tube 19, the position contacted with blower fan shell A at extension tube 19 is provided with reinforcement arm 20, reinforcement arm 20 is attached at the sidewall outer (namely fitting with the outer wall of shell 16) of blower fan shell A, is also provided with bandage 21 at the position that extension tube 19 contacts with blower fan shell A simultaneously.So, utilize extension tube 19 can be installed between airduct pipeline section by whole blower fan, utilize reinforcement arm 20 can strengthen the structural strength of whole blower fan and reduce itself Oscillation Amplitude, utilize bandage 21 then whole blower fan and airduct pipeline section can be done further reinforce.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. the unidirectional ventilation fan of Novel pipe type, is characterized in that: it comprises
One blower fan shell;
One ventilation fan, described ventilation fan is installed in blower fan shell;
One bottom, described bottom to be installed in blower fan shell and to be positioned at the outlet air end of ventilation fan;
One safety check, described safety check is ring piece shape structure, and described safety check to be socketed on bottom and to offset with the madial wall of blower fan shell;
Described safety check comprises the left gas lobe that the left hand edge profile line around bottom is arranged and the right gas lobe arranged around the right hand edge profile line of bottom, the upper and lower edge side of described bottom is provided with a rotating shaft, the two ends up and down of described left gas lobe are provided with a left axle sleeve, and the two ends up and down of described right gas lobe are provided with a right axle sleeve; Described left gas lobe is socketed in rotating shaft by left axle sleeve, described right gas lobe is socketed in rotating shaft by right axle sleeve, a torsion spring is socketed with, one end of described torsion spring and the surface, air side of left gas lobe offsets, the surface, air side of the other end and right gas lobe offsets in described rotating shaft, between left axle sleeve and right axle sleeve.
2. the unidirectional ventilation fan of a kind of Novel pipe type as claimed in claim 1, it is characterized in that: described ventilation fan comprises the flabellum on motor, fan cover in hemispherical shell body structure and the sphere being arranged at fan cover in several ring weeks, and the described fan enclosure is loaded on the output shaft of motor; Described bottom is hemispherical shell body structure.
3. the unidirectional ventilation fan of a kind of Novel pipe type as claimed in claim 2, it is characterized in that: described blower fan shell comprises assembly department, outlet section and inlet section, described outlet section and inlet section be the assembled outlet air end in assembly department and air intake respectively;
Be provided with an installation sleeve and several rings week in described assembly department and the guide plate be distributed in uniformly on the outer wall of installation sleeve, installation sleeve and assembly department connect as one by described guide plate;
Described motor is installed in installation sleeve, and described fan cover is positioned at the air intake side of installation sleeve, and described safety check and bottom are installed in outlet section.
4. the unidirectional ventilation fan of a kind of Novel pipe type according to any one of claim 1-3, it is characterized in that: it also comprises shell and Sound-proof material, the sidewall of described blower fan shell offers sound insulation hole, and described Sound-proof material is wrapped in the outside of blower fan shell, and described shell is wrapped in the outside of Sound-proof material.
5. the unidirectional ventilation fan of a kind of Novel pipe type as claimed in claim 4, it is characterized in that: it also comprises connecting device, described connecting device comprises the extension tube on the port being socketed on blower fan shell, the position that described extension tube contacts with blower fan shell is provided with reinforcement arm, described reinforcement arm is attached at outside the sidewall of blower fan shell, and the position that described extension tube contacts with blower fan shell is also provided with bandage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102979.3U CN204591716U (en) | 2015-02-12 | 2015-02-12 | The unidirectional ventilation fan of a kind of Novel pipe type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102979.3U CN204591716U (en) | 2015-02-12 | 2015-02-12 | The unidirectional ventilation fan of a kind of Novel pipe type |
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| Publication Number | Publication Date |
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| CN204591716U true CN204591716U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520102979.3U Active CN204591716U (en) | 2015-02-12 | 2015-02-12 | The unidirectional ventilation fan of a kind of Novel pipe type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000203A1 (en) * | 2016-06-28 | 2018-01-04 | 黄冠 | High-muting duct fan |
-
2015
- 2015-02-12 CN CN201520102979.3U patent/CN204591716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000203A1 (en) * | 2016-06-28 | 2018-01-04 | 黄冠 | High-muting duct fan |
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