CN205478469U - Fan and breathing machine - Google Patents
Fan and breathing machine Download PDFInfo
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- CN205478469U CN205478469U CN201521139208.8U CN201521139208U CN205478469U CN 205478469 U CN205478469 U CN 205478469U CN 201521139208 U CN201521139208 U CN 201521139208U CN 205478469 U CN205478469 U CN 205478469U
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- blower fan
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Abstract
The utility model discloses a fan and breathing machine, this fan includes: be equipped with the first casing of first air intake, the second casing, second casing and first casing fixed connection to the chamber is held in formation, the second casing is equipped with a plurality of ventilation holes, and the rotor block, the rotor block is located and is held the chamber and divide into first cavity and second cavity and will hold the chamber, the rotor block is equipped with the pivot, and the first end near first air intake of pivot is equipped with the first impeller, the rotor block still includes the shell, has the airflow channel with a plurality of ventilation holes intercommunication between shell and the second casing. The utility model provides a fan is equipped with a plurality of ventilation holes at the second casing, and a plurality of ventilation holes can comb the air current effectively to avoided the production of the turbulent flow and/or the vortex, made the air current more smooth and easy. Noise when having reduced fan operation. The utility model also provides a breathing machine, it is equipped with the utility model provides a fan. It is steady that this breathing machine has the air current, characteristics that operating noise is little.
Description
Technical field
This utility model relates to respirator technical field, more particularly, to a kind of blower fan and the respirator that comprises this blower fan.
Background technology
Home ventilator is to utilize blower fan to produce the armarium that power replaces, controls or change the autonomous respiration campaign of human body.Blower fan is as the main functional modules of home ventilator, for many-sided impacts with guidance quality such as the performance of home ventilator, outward appearances.The performance of home ventilator, especially outward appearance will design around the form in the delivery outlet direction of blower fan.
At present, the power source of existing home ventilator all uses blower fan, but, existing blower fan all uses the form of single delivery outlet.The mode that the delivery outlet of some blower fans and air inlet are tangential is arranged, and some delivery outlets and air inlet are the form of coaxial direction.The form of single delivery outlet easily produces turbulent flow and/or eddy current, and, during fan operation, noise is the biggest.
Utility model content
A purpose of the present utility model is that to solve the air outlet of existing blower fan used for respirators single, is easily generated turbulent flow or eddy current, and runs the technical problem that noise is big.
According to first aspect of the present utility model, it is provided that a kind of blower fan, this blower fan includes:
It is provided with the first housing of the first air inlet；
Second housing, described second housing is fixing with described first housing to be connected, and accommodates chamber to be formed；Described second housing is provided with multiple wind pushing hole；And
Rotor block, described rotor block is located at described receiving chamber and described receiving chamber is divided into the first cavity and the second cavity；Described rotor block is provided with rotating shaft, and the first end of close described first air inlet of described rotating shaft is provided with the first impeller；Described rotor block also includes shell, has, between described shell with described second housing, the gas channel connected with the plurality of wind pushing hole.
Preferably, described blower fan also includes the spaced baffle turning font downstream described in multiple being arranged at, and described baffle includes multiple spaced deflector, forms flow-guiding channel between two adjacent described deflectors；Described shell baffle is provided with the first air outlet, and described flow-guiding channel connects described gas channel and described first air outlet.
Preferably, also including the second impeller being arranged at the second end of described rotating shaft, described second impeller is positioned at described second cavity；Described first air outlet directly connects with the second air inlet of described second impeller.
Preferably, also including the conversion equipment being sheathed on outside described second housing, described conversion equipment is provided with the second air outlet connected with the plurality of wind pushing hole.
Preferably, described conversion equipment is sheathed on described second housing rotationally, to change the direction of described second air outlet.
Preferably, the inwall of described conversion equipment is provided with elastomer, and described elastomer is connected to the end of described second housing, to buffer vibration during fan operation.
Preferably, between described first housing and parts to be installed, it is provided with bolster, to buffer vibration during fan operation.
Preferably, the material of described bolster and/or described conversion equipment is silica gel or rubber.
Preferably, described bolster and described conversion equipment are joined to form assembly, and described assembly is one-body molded.
According to second aspect of the present utility model, it is provided that a kind of respirator, described respirator is provided with the described blower fan that this utility model provides.
This utility model provides a kind of blower fan and respirator, and this blower fan is provided with multiple wind pushing hole at the second housing.Multiple wind pushing holes can combing air-flow effectively, thus avoid the generation of turbulent flow and/or eddy current, make air-flow more smooth and easy, reduce noise during fan operation.
It is steady that this respirator has air-flow, and runs the feature that noise is little.
Inventor of the present utility model finds, in the prior art, and the air outlet only one of which of blower fan and respirator, and air-out direction is single.Therefore, that technical assignment that this utility model is to be realized or the those skilled in the art of technical problem is that to be solved never expect or it is not expected that, therefore this utility model is a kind of new technical scheme.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and be used for explaining principle of the present utility model together with its explanation.
Fig. 1: the sectional view of the blower fan of this utility model embodiment；
Fig. 2: the exploded view of the blower fan of this utility model embodiment；
Fig. 3: the air-flow of the blower fan of this utility model embodiment moves towards figure；
Fig. 4: the sectional view of the double-vane fan of this utility model embodiment；
Fig. 5: the air-flow of the double-vane fan of this utility model embodiment moves towards figure；
The sectional view of the blower fan adding conversion equipment of Fig. 6: this utility model embodiment；
The air-flow of the blower fan adding conversion equipment of Fig. 7: this utility model embodiment moves towards figure；
The sectional view of the another kind of conversion equipment of Fig. 8: this utility model embodiment；
The sectional view of the blower fan adding bolster of Fig. 9: this utility model embodiment；
The sectional view of the blower fan adding assembly of Figure 10: this utility model embodiment.
Wherein, 1: the first housing；101: the first air inlets；102: the first air outlets；103: flow-guiding channel；104: deflector；2: the first impellers；3: rotating shaft；4: rotor block；5: the second housings；501: the second air inlets；502: wind pushing hole；6: the second impellers；7: conversion equipment；701: the second air outlets；702: elastomer；8: bolster；9: assembly.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
This utility model provides a kind of blower fan, and with reference to Fig. 1-2, this blower fan includes: the first housing 1, rotor block 4 and the second housing 5.First housing 1 is provided with the first air inlet 101.Second housing 5 matches with the first housing 1, and the first housing 1 is fixed with the second housing 5 and is connected, and accommodates chamber to be formed.Second housing 5 is provided with multiple wind pushing hole 502, for the air-out of blower fan.The direction of wind pushing hole 502 can be perpendicular to rotating shaft 3, or along the tangential direction spatial vertical of the second housing 5 in rotating shaft 3, and wind pushing hole 502 is it can also be provided that the direction parallel with rotating shaft 3.Certainly, according to actual needs, wind pushing hole 502 can also be with rotating shaft 3 in arbitrarily angled, and this is not limited by this utility model.By arrange multiple wind pushing hole can combing air-flow effectively, thus avoid the generation of turbulent flow and/or eddy current, make air-flow more smooth and easy, reduce noise during fan operation.
With reference to Fig. 2, rotor block 4 is located at receiving intracavity, and receiving chamber is divided into the first cavity and the second cavity.Rotor block 4 is provided with rotating shaft 3, rotor block 4 be externally provided with shell.Between shell and the second housing 5, there is gap, thus form gas channel.Can discharge from wind pushing hole 502 directed along the sidewall of the second housing 5 from gas channel effluent air, make the outflow of air-flow smoothly.
Preferably, blower fan may also include multiple spaced baffle being arranged at rotor block 4 downstream, and baffle includes the spaced deflector of polylith 104, forms flow-guiding channel 103 between two adjacent deflectors 104；Shell baffle is provided with the first air outlet 102.Flow-guiding channel 103 connects gas channel and the first air outlet 102, and deflector 104 can be effectively prevented from the disorder of air-flow, make airflow smooth, to improve the efficiency of blower fan.First air outlet 102 is coaxially disposed with the first air inlet 101, as such, it is possible to make air-flow more smooth and easy.First air outlet 102 connects with flow-guiding channel 103, so that the first cavity and the second cavity are connected by the first air outlet 102.One end near the first air inlet 101 of rotating shaft 3 is provided with the first impeller 2, and the first impeller 2 is located at the first cavity.The other end of rotating shaft 3 passes from the first air outlet 102, arrives the second cavity.
Under normal circumstances, the cross section accommodating chamber is circular, to adapt to the shape of rotor block 4.First air inlet 101 and the first air outlet 102 are circular, and the diameter of the first air inlet 101 is more than the diameter of the first air outlet 102, and the size of the first air inlet 101 and the first air outlet 102 needs to be designed according to the characteristic into and out of air quantity and impeller.Certainly, the first air inlet 101 and shape of the first air outlet 102, can be designed as required, this is not limited by this utility model.
During work, with reference to Fig. 3, rotor rotates in magnetic field, drives rotating shaft 3 to rotate, and rotating shaft 3 is provided with the first impeller 2.First impeller 2 rotates with rotating shaft 3, is sucked from the first air inlet 101 by air-flow.Air-flow enters from the middle part of impeller, and approach axis is axial；After the first impeller 2, air-flow becomes radially；Then, air-flow passes through gas channel, flow-guiding channel 103；It follows that air-flow arrives the first air outlet 102；After the first air outlet 102, air-flow arrives the second cavity；Finally, air-flow is exported by multiple wind pushing holes 502.Multiple wind pushing holes 502 can combing air-flow effectively, thus avoid the generation of turbulent flow and/or eddy current, make air-flow more smooth and easy, reduce noise during fan operation.
In order to make air-flow flow out more uniformly, with reference to Fig. 2, multiple wind pushing holes 502 are distributed in the second housing 5 uniformly.The shape of wind pushing hole 502, size can be designed as required, and this is not limited by this utility model.
In order to improve the flow velocity of air-flow, increase air pressure.With reference to Fig. 4-5, the second end of rotating shaft 3 is provided with the second impeller 6, and the second impeller 6 is positioned at the second cavity.First air outlet 102 directly connects with the air inlet (the i.e. second air inlet 501) of the second impeller 6.This blower fan becomes double-vane fan.
During work, with reference to Fig. 5, rotor rotates in magnetic field, drives rotating shaft 3 to rotate, and rotating shaft 3 is provided with the first impeller 2.First impeller 2 rotates with rotating shaft 3, is sucked from the first air inlet 101 by air-flow.Air-flow enters from the middle part of impeller, and approach axis is axial；After the first impeller 2, air-flow becomes radially；Then, air-flow is by the flow-guiding channel 103 between upper casing 1 and housing；It follows that air-flow arrives the first air outlet 102；Arriving the second cavity through the first air outlet 102, the first air outlet 102 is i.e. for the second air inlet 501 being the second impeller 6 air-supply.Simultaneously as the existence of the second impeller 6, the second impeller 6 and the first impeller 2 synchronous axial system, the air-flow of the second air inlet 501 is again speeded up and supercharging；Finally, air-flow is exported by multiple wind pushing holes 502.Existence due to the second impeller 6 so that air-flow in blower fan through twice acceleration supercharging.This structure is effectively improved flow and the air pressure of blower fan, improves the efficiency of blower fan.
Further, the first impeller 2 is identical with the specification of the second impeller 6.The air inlet requirement of the second impeller 6 can be more mated, so that air-flow is more smooth and easy from the first impeller 2 air-flow out.Further, the spare unit of blower fan, spare part specification are consistent, it is easier to keep in repair blower fan or are replaced the parts of blower fan, reducing the difficulty of the maintenance of blower fan.
In order to adapt to the requirement of supplying gas of different respirators, with reference to Fig. 6-8, the profile of the second housing 5 of blower fan is circular, and conversion equipment 7 is sheathed on the second housing 5, and conversion equipment 7 for being transported to the position set by the air-flow that wind pushing hole 502 flows out.Conversion equipment 7 is provided with the second air outlet 701, and conversion equipment 7 rotates around the second housing 5, to change the direction of the second air outlet 701, thus adapts to different requirements of supplying gas.The use of conversion equipment 7 can meet the requirement of supplying gas of different directions.For convenience to switching device 7, the diameter of the place end that the diameter of the place end that the second housing 5 can arrange wind pushing hole 502 coordinates with the first housing 4 less than the second housing 5.
During use, with reference to Fig. 7, wind pushing hole 502 air-flow out arrives conversion equipment 7, and the second air outlet 701 through conversion equipment 7 flows out, and arrives the place used.Conversion equipment 7 can rotate around the second housing 5 so that the second air outlet 701 of conversion equipment 7 can export from different directions.Improve the suitability of blower fan.Selectively, the second air outlet 701 could be arranged to the direction parallel with rotating shaft 3, it is also possible to is set to the direction vertical with rotating shaft 3.In another embodiment of the present utility model, with reference to Fig. 8, the second air outlet 701 of conversion equipment 7 is set to the direction with shaft parallel, and is positioned at the middle part of the bottom surface of conversion equipment 7.Certainly, according to actual needs, the second air outlet 701 is it can also be provided that other directions.The size and dimension of the second air outlet 701 should match with the pressure of air output and wind, and this size and dimension can be designed as required.
Further, with reference to Fig. 7 or Fig. 8, the inwall relative with open end of conversion equipment 7 is provided with elastomer 702, and elastomer 702 is connected to the end of the second housing 5, to buffer vibration during fan operation.Elastomer 702 can be cone, cylindrical or other shapes.The material of elastomer 702 can be silica gel or plastic cement.The material of conversion equipment 7 can also select the material as elastomer 702.Further, processing for convenience, elastomer 702 and conversion equipment 7 use one-body molded processing technique, molding as encapsulated in integrated injection molding.Certainly, elastomer 702 can also use the flexible member such as spring or shell fragment.When fan operation, spring or shell fragment can also slowing down vibrations effectively.
Further, between the first housing 1 and parts to be installed, it is provided with bolster 8, to buffer vibration during fan operation.Parts to be installed can be the housing installing blower fan.This bolster 8 can use elastomeric material, it would however also be possible to employ the buffer element such as spring, shell fragment.
In a kind of embodiment of the present utility model, with reference to Fig. 9, the cross section of bolster 8 is for falling
Vertical V-arrangement, bolster 8 is sheathed on the first housing 1, and bolster 8 is elastomeric material.Specifically, bolster 8 is circular, and the position depression between internal ring and outer shroud forms folding part, and the cross section of folding part is the V-arrangement stood upside down, and folding part uses elastomeric material.The size of the internal diameter of internal ring matches with the size of the external diameter of the first housing 1, connects so that described bolster 8 is connected to the first housing 1.Certainly, folding part is alternatively U-shaped, C-shaped or zigzag configuration, or is the structure of multiple V-arrangement, as long as the effect of vibration when slowing down fan operation can be played, this is not limited by this utility model.
Vibrating during fan operation, this vibration is delivered to folding part, and owing to folding part uses the structure design of easy resilience, and folding part uses elastomeric material, therefore can be effectively by energy dropoff or the elimination of vibration.Selectively, the elastomeric material that folding part uses is silica gel or rubber.Other positions of bolster 8 can use silica gel or rubber.For the ease of processing, bolster 8 uses one-body molded processing technique, molding as encapsulated in integrated injection molding.Certainly, bolster 8 can be designed to other structures as required, does not limits this this utility model.
For the ease of the installation of bolster 8, the outer wall of the first housing 1 is provided with projection, and the inwall of the internal ring of bolster 8 is provided with the groove matched with protruding structure.During installation, carry out the groove of bolster 8 and the projection of the first housing 1 coordinating and install.Further, the first housing 1 is provided with multiple projection, and bolster 8 is provided with multiple groove accordingly, and the connection between bolster 8 and the first housing 1 of blower fan so can be made more firm.Certainly, blower fan may be used without other forms with the type of attachment of bolster 8, does not limits this this utility model.
In another embodiment of the present utility model, with reference to Figure 10, for the ease of installing and manufacturing, bolster 8 and conversion equipment 7 are joined to form assembly 9.This assembly 9 be internally formed cavity.The material of bolster 8 and conversion equipment 7 is silica gel or rubber.This assembly 9 uses one-body molded processing technique, e.g., the encapsulated molding of integrated injection molding.During installation, blower fan is put in cavity, adjust the position of the second air outlet 701.By the end abutment of the second housing 5 to elastomer 702.Install and use very convenient.
A kind of blower fan that this utility model provides and respirator, this blower fan is provided with multiple wind pushing hole 502 at the second housing 5, and this wind pushing hole 502 is perpendicular to shell or tangent with the sidewall of the second housing 5.Multiple wind pushing holes 502 can combing air-flow effectively, thus avoid the generation of turbulent flow and/or eddy current, make air-flow more smooth and easy, reduce noise during operation.
Although being described in detail specific embodiments more of the present utility model by example, but it should be appreciated by those skilled in the art, example above is merely to illustrate rather than in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, in the case of without departing from scope and spirit of the present utility model, above example can be modified.Scope of the present utility model is defined by the following claims.
Claims (10)
1. a blower fan, it is characterised in that including:
It is provided with first housing (1) of the first air inlet (101)；
Second housing (5), described second housing (5) is fixing with described first housing (1) to be connected, and accommodates chamber to be formed；Described second housing (5) is provided with multiple wind pushing hole (502)；And
Rotor block (4), described rotor block (4) is located at described receiving chamber and described receiving chamber is divided into the first cavity and the second cavity；Described rotor block (4) is provided with rotating shaft (3), and the first end of close described first air inlet (101) of described rotating shaft (3) is provided with the first impeller (2)；Described rotor block (4) also includes shell, has, between described shell with described second housing (5), the gas channel connected with the plurality of wind pushing hole (502).
Blower fan the most according to claim 1, it is characterized in that, described blower fan also includes the baffle being arranged at described rotor block (4) downstream, described baffle includes the spaced deflector of polylith (104), forms flow-guiding channel (103) between two adjacent described deflectors (104)；Described baffle is provided with the first air outlet (102), and described flow-guiding channel (103) connects described gas channel and described first air outlet (102).
Blower fan the most according to claim 2, it is characterised in that also include the second impeller (6) being arranged at the second end of described rotating shaft, described second impeller (6) is positioned at described second cavity；Described first air outlet (102) directly connects with second air inlet (501) of described second impeller (6).
Blower fan the most according to claim 1, it is characterized in that, also including being sheathed on described second housing (5) conversion equipment (7) outward, described conversion equipment (7) is provided with the second air outlet (701) connected with the plurality of wind pushing hole (502).
Blower fan the most according to claim 4, it is characterised in that described conversion equipment (7) is sheathed on described second housing (5) rotationally, to change the direction of described second air outlet (701).
Blower fan the most according to claim 5, it is characterized in that, the inwall of described conversion equipment (7) is provided with elastomer (702), and described elastomer (702) is connected to the end of described second housing (5), to buffer vibration during fan operation.
Blower fan the most according to claim 4, it is characterised in that be provided with bolster (8) between described first housing (1) and parts to be installed, to buffer vibration during fan operation.
Blower fan the most according to claim 7, it is characterised in that the material of described bolster (8) and/or described conversion equipment (7) is silica gel or rubber.
Blower fan the most according to claim 8, it is characterised in that described bolster (8) and described conversion equipment (7) are joined to form assembly (9), and described assembly (9) is one-body molded.
10. a respirator, it is characterised in that described respirator is provided with the blower fan as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139208.8U CN205478469U (en) | 2015-12-31 | 2015-12-31 | Fan and breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139208.8U CN205478469U (en) | 2015-12-31 | 2015-12-31 | Fan and breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478469U true CN205478469U (en) | 2016-08-17 |
Family
ID=56663283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521139208.8U Active CN205478469U (en) | 2015-12-31 | 2015-12-31 | Fan and breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478469U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508269A (en) * | 2015-12-31 | 2016-04-20 | 北京怡和嘉业医疗科技有限公司 | Fan and ventilator |
| CN113757145A (en) * | 2021-09-14 | 2021-12-07 | 杭州贝丰科技有限公司 | Fan blower |
-
2015
- 2015-12-31 CN CN201521139208.8U patent/CN205478469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508269A (en) * | 2015-12-31 | 2016-04-20 | 北京怡和嘉业医疗科技有限公司 | Fan and ventilator |
| CN113757145A (en) * | 2021-09-14 | 2021-12-07 | 杭州贝丰科技有限公司 | Fan blower |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100036 No. 110, A block, 115 office building, Fucheng Road, Haidian District, Beijing. Patentee after: Beijing Ka Yip Yee medical Polytron Technologies Inc Address before: 100036 No. 110, A block, 115 office building, Fucheng Road, Haidian District, Beijing. Patentee before: Beijing delightful harmony Jia Ye medical science and technology company limited |