CN208417068U - Spiral case and fresh air system - Google Patents
Spiral case and fresh air system Download PDFInfo
- Publication number
- CN208417068U CN208417068U CN201820603291.7U CN201820603291U CN208417068U CN 208417068 U CN208417068 U CN 208417068U CN 201820603291 U CN201820603291 U CN 201820603291U CN 208417068 U CN208417068 U CN 208417068U
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- spiral case
- plate
- filter screen
- foreboard
- back plate
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Abstract
The utility model provides a kind of spiral case and fresh air system, it is related to spiral case technical field, the spiral case includes the cover board with network, the first spiral case plate equipped with fan housing and the second spiral case plate equipped with assembling mouth, both first spiral case plate and the second spiral case plate, which are engaged to enclose each other, to be connect, and cover board, the first spiral case plate and the second spiral case plate are structure as a whole.The spiral case of the utility model has the characteristics that processing technology is simple.
Description
Technical field
The utility model relates to spiral case technical field more particularly to a kind of spiral case and fresh air system.
Background technique
With the increasingly severe and continuous improvement of people's living standards of air pollution, people increasingly focus on room
The quality of interior air.Therefore, start to install fresh air system additional in more and more interiors, to obtain good air.Fresh air system
The a set of independent air processing system being made of supply air system and exhaust system, by the way that outdoor clean air is imported room
It is interior, then the air of foul indoor is discharged；To achieve the purpose that purify the air of a room.
Wherein, blower is the important composition portion of fresh air system as the pith for playing air exchange in fresh air system
Part, blower include fan body and spiral case, matrix of the spiral case as blower, and fan body is mounted in spiral case, fan body with
The cavity formed between spiral case sucks air scoop at air inlet, and with the rotation of fan body, position and body occur for cavity
Product variation, by gas lift pressure and is transferred at the position of gas outlet, to realize the conveying of gas.
Although existing spiral case have the characteristics that it is above-mentioned, existing spiral case is welded by stretching steel plate, processing
Manufacturing process is cumbersome, and ventilator cowling is also to install additional below up, and complicated there are processing technology and higher cost technology is asked
Topic.
Utility model content
The purpose of this utility model is to provide a kind of spiral case and fresh air system, are by extended steel to alleviate existing spiral case
Plate is welded, and process is tedious for processing and manufacturing, and ventilator cowling is also to install additional below up, it is complicated there are processing technology and at
This higher technical problem.
A kind of spiral case provided by the utility model, including the cover board with network, the first spiral case plate equipped with fan housing
With the second spiral case plate for being equipped with assembling mouth, both the first spiral case plate and the second spiral case plate, which are engaged to enclose each other, to be connect；
The cover board, the first spiral case plate and the second spiral case plate are structure as a whole.
Further, the first spiral case plate include the first spiral case foreboard and connect with the first spiral case foreboard first
Spiral case back plate, after the second spiral case plate includes the second spiral case foreboard and the second spiral case connecting with the second spiral case foreboard
Plate, and the inner wall of both the first spiral case back plate and described second spiral case back plate is smooth curved surface；
The cover board is connect with the first spiral case foreboard with the second spiral case foreboard.
Further, the inner wall of the junction of the first spiral case foreboard and the first spiral case back plate is surface blending；
The inner wall of the junction of the second spiral case foreboard and the second spiral case back plate is surface blending.
Further, the internal diameter of the first spiral case back plate and the second spiral case back plate is equal.
Further, the surface blending is cambered surface transition.
Further, air-ducting ring is equipped between the fan housing and the first spiral case plate.
Further, the cover board, the first spiral case plate and the second spiral case plate are injection molding.
It further, further include filter assemblies, the filter assemblies include the first filter screen, the second filter screen, third mistake
Strainer and filter screen stand, first filter screen, second filter screen and the third filter screen are arranged at the mistake
On filter screen bracket, the filter screen stand and the cover board are clamped.
Further, first filter screen is filtering sponge, and second filter screen is HEPA filter screen, the third
Filter screen is activated charcoal strainer.
The utility model has the following beneficial effects:
The spiral case includes the cover board with network, the first spiral case plate equipped with fan housing and equipped with assembling mouth
Two spiral case plates, both the first spiral case plate and the second spiral case plate, which are engaged to enclose each other, to be connect, wherein cover board, the first spiral case plate and the second snail
Coverboard is structure as a whole, carry out spiral case installation when, by the first spiral case plate it is corresponding with the second spiral case plate be engaged to enclose be connected together,
And both the first spiral case plate and the second spiral case plate are welded together by welding, form an atmospheric pressure cavity to realize
Room；After ensuring that both the first spiral case plate and the second spiral case plate are fixed together, then cover board is welded on the first spiral case plate and second
On spiral case plate, and cover board, the first spiral case plate and the second spiral case plate three are fixed together, due to cover board, the first spiral case plate
It is structure as a whole with the second spiral case plate three, therefore, reduces the cost of welding times and processing and manufacturing, improve production effect
Rate.Meanwhile cover board is equipped with network, network can prevent people from accidentally protruding into hand in the atmospheric pressure cavity room of the spiral case, mention
High safety and functionality.
Spiral case in the present invention, since cover board, the first spiral case plate and the second spiral case plate three are structure as a whole,
Therefore, when carrying out spiral case assembly welding, the welding times of spiral case are reduced, and then reduce processing and manufacturing process, improved
Production efficiency.Meanwhile due also to cover board, the first spiral case plate and the second spiral case plate three are structure as a whole, therefore, the spiral case
Solder joint is few, and then integral strength is high, improves the service life of the spiral case.
The utility model provides a kind of fresh air system with above-mentioned spiral case.
The utility model has the following beneficial effects:
The fresh air system is identical as advantage possessed by above-mentioned spiral case, and details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the spiral case that the utility model embodiment one provides；
Fig. 2 is the structural schematic diagram of the cover board in Fig. 1；
Fig. 3 is the structural schematic diagram of the first spiral case plate in Fig. 1；
Fig. 4 is the structural schematic diagram of the second spiral case plate in Fig. 1.
Icon: 1- cover board；2- network；3- fan housing；4- the first spiral case plate；5- assembling mouth；6- the second spiral case plate；
7- air-ducting ring；41- the first spiral case foreboard；42- the first spiral case back plate；61- the second spiral case foreboard；62- the second spiral case back plate.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
As shown in Figures 1 to 4, a kind of spiral case provided in this embodiment, including with network 2 cover board 1, be equipped with wind
The the first spiral case plate 4 and the second spiral case plate 6 equipped with assembling mouth 5 of cover 3, the first spiral case plate 4 and 6 the two of the second spiral case plate that
This is engaged to enclose and connect.
Cover board 1, the first spiral case plate 4 and the second spiral case plate 6 are structure as a whole.
The spiral case include the cover board 1 with network 2, the first spiral case plate 4 equipped with fan housing 3 and be equipped with assembling mouth
5 the second spiral case plate 6, both the first spiral case plate 4 and the second spiral case plate 6, which are engaged to enclose each other, to be connect, wherein cover board 1, the first spiral case plate
4 and second spiral case plate 6 be structure as a whole, carry out spiral case installation when, by the first spiral case plate 4 phase corresponding with the second spiral case plate 6
Button, which encloses, to be connected together, and by welding welds together both the first spiral case plate 4 and the second spiral case plate 6, with reality
Now form an air pressure chamber；After ensuring that both the first spiral case plate 4 and second spiral case plate 6 are fixed together, then cover board 1 welded
On the first spiral case plate 4 and the second spiral case plate 6, and cover board 1, the first spiral case plate 4 and 6 three of the second spiral case plate is made to be fixed in one
It rises, since cover board 1, the first spiral case plate 4 and 6 three of the second spiral case plate are structure as a whole, reduce welding times and add
The cost of work manufacture, improves production efficiency.Meanwhile cover board 1 is equipped with network 2, network 2 can prevent people from accidentally will
Hand protrudes into the atmospheric pressure cavity room of the spiral case, improves safety and functionality.
Spiral case in the present embodiment, since cover board 1, the first spiral case plate 4 and 6 three of the second spiral case plate are integrated knot
Therefore structure when carrying out spiral case assembly welding, reduces the welding times of spiral case, and then reduce processing and manufacturing process, improve
Production efficiency.It, therefore, should meanwhile due also to cover board 1, the first spiral case plate 4 and 6 three of the second spiral case plate are structure as a whole
The solder joint of spiral case is few, and then integral strength is high, improves the service life of the spiral case.
In the present embodiment, the cover board 1 and the first spiral case plate 4 with network 2 are equipped with fan housing 3, enable to blower
Laminar boundary layer vacuum side of blade become TURBULENT BOUNDARY LAYER SEPARATION at once, postpone the boundary layer separation of vacuum side of blade, and then reduce
Noise.
Specifically, the first spiral case plate 4 includes the first spiral case foreboard 41 and the first spiral case connecting with the first spiral case foreboard 41
Back plate 42, the second spiral case plate 6 include the second spiral case foreboard 61 and the second spiral case back plate 62 connecting with the second spiral case foreboard 61, and
The inner wall of 62 the two of the first spiral case back plate 42 and the second spiral case back plate is smooth curved surface.
Cover board 1 is connect with the first spiral case foreboard 41 with the second spiral case foreboard 61.
In the present embodiment, the inner wall of both 6 plates of 4 plate of the first spiral case plate and the second spiral case plate is smooth curved surface, and first
The inner wall of 62 the two of spiral case back plate 42 and the second spiral case back plate is smooth curved surface, i.e. the inner wall of air pressure chamber does not have at dog-ear,
And inner wall shape is uniform, rounding off at deformation.Therefore, airflow is smooth, will not cause to stop to the air of circulation, then
The flowing that will not hinder air improves the velocity of liquid assets of air.
Also, since the inner wall of ventilating duct does not have at dog-ear, and rounding off at deformation, because without air-flow and folding occurs
It is hit at angle or at deformation, to reduce noise, reduces injury of the higher noise to people's crossette film.
Furthermore air-flow will not be hit in ventilating duct, and the inner wall of ventilating duct does not have at dog-ear, round and smooth mistake at deformation
It crosses, air-flow will not generate reflection in ventilating duct, energy saving because of the energy without consuming air-flow.
Wherein, the inner wall of the junction of the first spiral case foreboard 41 and the first spiral case back plate 42 is surface blending.
The inner wall of the junction of second spiral case foreboard 61 and the second spiral case back plate 62 is surface blending.
In the present embodiment, the inner wall of the junction of the first spiral case foreboard 41 and the first spiral case back plate 42 is surface blending,
The inner wall of the junction of second spiral case foreboard 61 and the second spiral case back plate 62 is surface blending, and this mode is suitable for fluid
Advance, air-flow spreads, and the rule that air-flow face increases, surface blending enables to air-flow further to flow smoothly, will not
The air of circulation is caused to stop, after the flowing without hindering air, to form optimal spiral case flow regime.
Wherein, the internal diameter of the first spiral case back plate 42 and the second spiral case back plate 62 is equal.
In the present embodiment, the first spiral case back plate 42 and the second spiral case back plate 62 are combined into the air pressure chamber of the spiral case, and
The circular in cross-section of air pressure chamber, wherein the internal diameter of the first spiral case back plate 42 and the second spiral case back plate 62 is equal, i.e., in gas
On any one cross section for pressing chamber, the first spiral case of central point distance back plate 42 of air pressure chamber and the second spiral case back plate 62 it is interior
The each point of wall is equidistant, and the first spiral case back plate 42 is identical with the curvature of each point on the inner wall of the second spiral case back plate 62,
Thus air-flow is capable of the inner wall by the first spiral case back plate 42 and the second spiral case back plate 62 of uniform flow, thus reduces to first
The shock of the inner wall of spiral case back plate 42 and the second spiral case back plate 62, further decreases noise, the energy loss of air-flow, and can be into
The flow velocity of one step raising spiral case interior air-flow.
Specifically, in the present embodiment, surface blending is cambered surface transition.
Wherein, surface blending can also be other surface blending modes such as flowing transition, oval transition, in the present embodiment
In, it is preferable that surface blending is cambered surface transition, i.e., the indoor air of atmospheric pressure cavity is after the first spiral case foreboard 41 and the first spiral case
Do not have at dog-ear when the junction of the inner wall of the junction of plate 42 and the second spiral case foreboard 61 and the second spiral case back plate 62, and interior
Wall shape is uniform, rounding off at deformation.Therefore, airflow is smooth, will not cause to stop to the air of circulation, after without
The flowing for hindering air, improves the velocity of liquid assets of air.
Also, since cambered surface transition does not have at dog-ear, because being hit without air-flow occurs at dog-ear or at deformation, from
And noise is reduced, reduce injury of the higher noise to people's crossette film.
Furthermore air-flow will not be hit in cambered surface transition position, and the inner wall of ventilating duct does not have at dog-ear, is round and smooth at deformation
Transition, air-flow will not generate reflection in ventilating duct, energy saving because of the energy without consuming air-flow.
Wherein, air-ducting ring 7 is equipped between fan housing 3 and the first spiral case plate 4.
In the present embodiment, air-ducting ring 7 is equipped between fan housing 3 and the first spiral case plate 4, air-ducting ring 7 can be avoided air-flow wave
It moves to cause laminar boundary layer to become turbulent boundary layer, further decreases noise reduction.
Wherein, cover board 1, the first spiral case plate 4 and the second spiral case plate 6 are injection molding.
In this embodiment, injection molding, which has, to be mass produced, the process-cycle is short, easy to operate and manufacturing cost is low
The characteristics of.
Specifically, the spiral case further includes filter assemblies, filter assemblies include the first filter screen, the second filter screen, third mistake
Strainer and filter screen stand, the first filter screen, the second filter screen and third filter screen are arranged on filter screen stand, filter screen
Bracket and cover board 1 are clamped.
In the present embodiment, air is flowed into via air inlet via the first filter screen, the second filter screen and third filter screen
Multiple filtration is carried out, filtered air is discharged from air outlet, excludes again after the air in spiral case is carried out purification filtering.Its
In, the first filter screen, the second filter screen and third filter screen are arranged on filter screen stand, and filter screen stand and cover board 1 block
It connects, when clearing up filter assemblies, filter holder can be disassembled easily from cover board 1, be further facilitated complete to filter assemblies
The cleaning or replacement in orientation improve the functionality and practicability of spiral case.
Specifically, the first filter screen is filtering sponge, the second filter screen is HEPA filter screen, and third filter screen is active carbon
Filter screen.
In the present embodiment, the first filter screen is sponge filter screen, and sponge filter screen can be by the ash of bulky grain in air
Dirt primary filtration is fallen；Second filter screen is HPEA filter screen HIGHEFFICIENCY PARTICULATE ARRESTING, efficiently
Particulate Air filter screen.HPEA filter screen is that a kind of windage is small, and dust containing capacity is big, the high dry type high-efficiency air filtering of filtering accuracy
Device is made of laminated borosilicate microfibre.HPEA filter screen can be processed into various sizes and shape according to actual needs, fit
Different types is closed to use.Via the air of HPEA filter screen filtration, filter cleaning effect more so that through air outlet discharge
Air more cleans；Activated charcoal strainer has good aerodynamics performance, have bulk density is small, large specific surface area,
Adsorption efficiency height and the small feature of air resistance coefficient, can remove volatile organic compounds formaldehyde, toluene, hydrogen sulfide, chlorobenzene and
Pollutant in air, and can under certain air quantity deodorization, eliminate the unusual smell, environment purification, have good clean-up effect.
Embodiment two
The present embodiment provides a kind of fresh air system, which has spiral case described in above-described embodiment one.
In fresh air system provided in this embodiment, due to 6 three of the cover board 1 of spiral case, the first spiral case plate 4 and the second spiral case plate
It is structure as a whole, therefore, when carrying out spiral case assembly welding, reduces the welding times of spiral case, and then reduce processing system
Process is made, production efficiency is improved.Meanwhile due also to cover board 1, the first spiral case plate 4 and 6 three of the second spiral case plate are integrated knot
Structure, therefore, the solder joint of the spiral case are few, and then integral strength is high, improves the service life of the spiral case, wherein the structure of spiral case and
Beneficial effect is above-mentioned to have been carried out detailed elaboration, and which is not described herein again.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of spiral case, which is characterized in that including the cover board with network, the first spiral case plate equipped with fan housing and be equipped with wind
Second spiral case plate of machine installing port, both the first spiral case plate and the second spiral case plate, which are engaged to enclose each other, to be connect；
The cover board, the first spiral case plate and the second spiral case plate are structure as a whole.
2. spiral case according to claim 1, which is characterized in that the first spiral case plate include the first spiral case foreboard and with institute
State the first spiral case foreboard connection the first spiral case back plate, the second spiral case plate include the second spiral case foreboard and with second snail
Second spiral case back plate of shell foreboard connection, and the inner wall of both the first spiral case back plate and described second spiral case back plate is circle
Sliding curved surface；
The cover board is connect with the first spiral case foreboard with the second spiral case foreboard.
3. spiral case according to claim 2, which is characterized in that the first spiral case foreboard and the first spiral case back plate
The inner wall of junction is surface blending；
The inner wall of the junction of the second spiral case foreboard and the second spiral case back plate is surface blending.
4. spiral case according to claim 3, which is characterized in that the first spiral case back plate and the second spiral case back plate
Internal diameter is equal.
5. spiral case according to claim 4, which is characterized in that the surface blending is cambered surface transition.
6. spiral case according to claim 1-5, which is characterized in that between the fan housing and the first spiral case plate
Equipped with air-ducting ring.
7. spiral case according to claim 1, which is characterized in that the cover board, the first spiral case plate and second snail
Coverboard is injection molding.
8. spiral case according to claim 1, which is characterized in that further include filter assemblies, the filter assemblies include first
Filter screen, the second filter screen, third filter screen and filter screen stand, first filter screen, second filter screen with it is described
Third filter screen is arranged on the filter screen stand, and the filter screen stand and the cover board are clamped.
9. spiral case according to claim 8, which is characterized in that first filter screen is filtering sponge, second mistake
Strainer is HEPA filter screen, and the third filter screen is activated charcoal strainer.
10. a kind of fresh air system, which is characterized in that including any one of the claim 1-9 spiral case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603291.7U CN208417068U (en) | 2018-04-25 | 2018-04-25 | Spiral case and fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603291.7U CN208417068U (en) | 2018-04-25 | 2018-04-25 | Spiral case and fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417068U true CN208417068U (en) | 2019-01-22 |
Family
ID=65117109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820603291.7U Expired - Fee Related CN208417068U (en) | 2018-04-25 | 2018-04-25 | Spiral case and fresh air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417068U (en) |
-
2018
- 2018-04-25 CN CN201820603291.7U patent/CN208417068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190425 |