CN208885571U - A kind of adaptively folding valving and centrifugal fan - Google Patents
A kind of adaptively folding valving and centrifugal fan Download PDFInfo
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- CN208885571U CN208885571U CN201821547629.8U CN201821547629U CN208885571U CN 208885571 U CN208885571 U CN 208885571U CN 201821547629 U CN201821547629 U CN 201821547629U CN 208885571 U CN208885571 U CN 208885571U
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Abstract
The utility model provides a kind of adaptively folding valving and centrifugal fan, belong to engineering machinery field, including fixing body, blade and shaft, a cavity and three through-holes are provided on fixing body, three through-holes are respectively first through hole, the second through-hole and third through-hole, shaft is installed on the junction of first through hole and the second through-hole, and blade is installed on shaft, and moving blade enables first through hole close or enable the second through-hole to close.Adaptive folding valving provided by the utility model effectively utilizes fan pressure control valve reprint position, to control through-flow mode, securely and reliably, easy for installation, not needing progress manual operation can be carried out toggling for two fan outlets, and effectively prevent return air phenomenon, avoid two ventilation blower parallel connection Shi Dangyi Fans out of service, when another Fans are run, medium from stop one side's distributary phenomenon of blower, guarantee fan operation performance with this, manual operation is not needed, cost of labor is reduced.
Description
Technical field
The utility model relates to engineering machinery fields, in particular to a kind of adaptive folding valving and centrifugation
Ventilation blower.
Background technique
Centrifugal fan is the industrial equipment that gas is conveyed by the rotation of impeller and main shaft, due to present wind turbine layout
Parallel connection has been normality, and parallel fan is all a preparation and a use, to prevent return air from occurring and guaranteeing fan operation performance, usually
Valve will be installed in pipeline to prevent above situation from occurring.
Utility model content
The purpose of this utility model is to provide a kind of adaptive folding valvings, effectively to utilize fan pressure control
Valve reprint processed position controls through-flow mode.
The purpose of this utility model is to provide a kind of centrifugal fans, effectively to be turned over using fan pressure control valve
Version position controls through-flow mode.
The utility model is realized in this way:
Based on the first above-mentioned purpose, the utility model provides a kind of adaptive folding valving, including fixing body,
Blade and shaft are provided with a cavity and three through-holes on the fixing body, and three through-holes are respectively first through hole,
Two through-holes and third through-hole, the first through hole, second through-hole and the third through-hole are connected to the cavity respectively, institute
The junction that shaft is installed on the first through hole and second through-hole is stated, the blade is installed on the shaft, the leaf
Piece position in the cavity, rotates the blade and the first through hole is enabled to close or enable second through-hole to close.
Adaptive folding valving provided by the utility model effectively utilizes fan pressure control valve reprint position,
Safe and reliable, easy for installation to control through-flow mode, not needing progress manual operation can be carried out two fan outlets
Toggle, and effectively prevent return air phenomenon, avoid two ventilation blower parallel connection Shi Dangyi Fans out of service, Ling Yitai
When fan operation, medium guarantees fan operation performance with this, does not need manual operation from one side's distributary phenomenon of blower is stopped,
Reduce cost of labor.
In an embodiment of the present embodiment: the first through hole and second through-hole are along the third through-hole
Axial line is symmetrical arranged.
The enhanced convenience when being overturn to blade in this way, simultaneously, it can be ensured that from third through-hole and first through hole and
The circulation style of wind in second through-hole is all much smoother.
In an embodiment of the present embodiment: the adaptive folding valving further includes two limited blocks, and two
A limited block is respectively arranged in the fixing body, and two limited blocks are located at first through hole and described second and lead to
In hole, the shaft is between the third through-hole and the limited block.
Limited block can be limited and be fixed to blade, can be by blade tightly by wind pressure when there is wind to pass through
It is pressed on limited block.
In an embodiment of the present embodiment: being provided with magnetic block on the blade, the limited block is using iron
At.
The characteristic inhaled using magnetic block and iron phase, it is ensured that when not having wind pressure, blade also can be very good and limit
Block connection.
In an embodiment of the present embodiment: the size phase of the size of the first through hole and second through-hole
In a ring Deng, the limited block, and two limited blocks are coaxially disposed with the first through hole and second through-hole respectively.
Limited block in a ring can have the effect of sealing, after blade is bonded with limited block completely, limit in a ring
Position block can block the gap between blade and the second through-hole and the second through-hole, thus lift-off seal.
In an embodiment of the present embodiment: the circular in cross-section of the first through hole, second through-hole
Circular in cross-section, the blade is rounded, and the outer diameter of the limited block is equal with the diameter of the first through hole, the limit
The internal diameter of block is less than the diameter of the blade.
Leakproofness more easily can be guaranteed by being bonded for blade and limited block in this way.
In an embodiment of the present embodiment: the diameter of the first through hole is less than the diameter of the third through-hole.
Wind can be allowed to pass through so happier, while increase wind to the pressure of blade.
In an embodiment of the present embodiment: the shaft and the fixing body are rotatablely connected, and the shaft is around it
Axial line is rotated relative to the fixing body, and the axial line of the shaft and the axial line of the first through hole are vertically arranged, and
The axial line of the shaft and the axial line of second through-hole are vertically arranged, and the blade is fixedly connected with the shaft.
When needing the state to first through hole and the second through-hole to be adjusted, rotating shaft is only needed, so that it may band movable vane
Piece turns to first through hole or the second through hole, when blade is located at first through hole, first through hole can be blocked, wind from
Second through-hole and third through-hole circulation, are that blade leads to the second through-hole plug for seal from first when blade is located at the second through hole
It circulates at hole and third through-hole.
In an embodiment of the present embodiment: the fixing body is stretched out in one end of the shaft, and the shaft is stretched
One end of the fixing body is provided with handle out.
Control enhanced convenience after handle is set.
Based on the second above-mentioned purpose, the utility model additionally provides a kind of centrifugal fan, including as described above certainly
Adapt to folding valving.
Centrifugal fan provided by the utility model includes above-mentioned adaptive folding valving, can it is safe and reliable,
Fan pressure control valve reprint position is easily utilized, to control through-flow mode.
Compared with prior art, beneficial effect of the utility model is:
Adaptive folding valving provided by the utility model effectively utilizes fan pressure control valve reprint position,
Safe and reliable, easy for installation to control through-flow mode, not needing progress manual operation can be carried out two fan outlets
Toggle, and effectively prevent return air phenomenon, avoid two ventilation blower parallel connection Shi Dangyi Fans out of service, Ling Yitai
When fan operation, medium guarantees fan operation performance with this, does not need manual operation from one side's distributary phenomenon of blower is stopped,
Reduce cost of labor.
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
Required practical attached drawing is briefly described in specific embodiment or description of the prior art, it should be apparent that, it is described below
Attached drawing be that some embodiments of the utility model are not paying creative labor for those of ordinary skill in the art
Under the premise of dynamic, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the schematic diagram of the adaptive folding valving of the offer of the utility model embodiment 1；
Fig. 2 shows the schematic diagrames for the fixing body that the utility model embodiment 1 provides；
Fig. 3 shows the schematic diagram of the limited block of the offer of the utility model embodiment 1；
Fig. 4 shows the schematic diagram of the shaft of the offer of the utility model embodiment 1.
In figure: 101- fixing body；102- blade；103- limited block；104- first through hole；The second through-hole of 105-；106-
Three through-holes；107- cavity；108- shaft；109- handle.
Specific embodiment
In order to improve the above problem, the utility model provides a kind of adaptive folding valving, including peace
Body, blade and shaft are filled, a cavity and three through-holes are provided on the fixing body, three through-holes are respectively first logical
Hole, the second through-hole and third through-hole, the first through hole, second through-hole and the third through-hole connect with the cavity respectively
Logical, the shaft is installed on the junction of the first through hole and second through-hole, and the blade is installed on the shaft, institute
It states blade position in the cavity, rotates the blade and the first through hole is enabled to close or enable second through-hole to close.
Adaptive folding valving provided by the utility model effectively utilizes fan pressure control valve reprint position,
Safe and reliable, easy for installation to control through-flow mode, not needing progress manual operation can be carried out two fan outlets
Toggle, and effectively prevent return air phenomenon, avoid two ventilation blower parallel connection Shi Dangyi Fans out of service, Ling Yitai
When fan operation, medium guarantees fan operation performance with this, does not need manual operation from one side's distributary phenomenon of blower is stopped,
Reduce cost of labor.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the above detailed description to the embodiments of the present invention provided in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
Referring to figs. 1 to Fig. 4, a kind of adaptive folding valving, including fixing body 101, blade are present embodiments provided
102 and shaft 108, a cavity 107 and three through-holes are provided on fixing body 101, and three through-holes are respectively first through hole
104, the second through-hole 105 and third through-hole 106, first through hole 104, the second through-hole 105 and third through-hole 106 respectively with cavity
107 connections, shaft 108 are installed on the junction of first through hole 104 and the second through-hole 105, and blade 102 is installed on shaft 108, leaf
Piece 102 is located in cavity 107, and moving blade 102 enables first through hole 104 close or enable the second through-hole 105 to close.
Adaptive folding valving provided in this embodiment effectively utilizes fan pressure control valve reprint position, from
And through-flow mode is controlled, safe and reliable, easy for installation, not needing progress manual operation can be carried out two fan outlets
It toggles, and effectively prevents return air phenomenon, avoid two ventilation blower parallel connection Shi Dangyi Fans out of service, another typhoon
When machine is run, medium guarantees fan operation performance with this, does not need manual operation, subtract from one side's distributary phenomenon of blower is stopped
Few cost of labor.
First through hole 104 and the second through-hole 105 are symmetrical arranged along the axial line of third through-hole 106.In this way to blade 102
Enhanced convenience when being overturn, simultaneously, it can be ensured that from third through-hole 106 and first through hole 104 and the second through-hole 105
The circulation style of wind is all much smoother.
Adaptive folding valving further includes two limited blocks 103, and two limited blocks 103 are respectively arranged in fixing body
101, and two limited blocks 103 are located in first through hole 104 and the second through-hole 105, shaft 108 is located at third through-hole 106
Between limited block 103.Limited block 103 can be limited and be fixed to blade 102, can by wind pressure when there is wind to pass through
Blade 102 to be tightly pressed on limited block 103.
Magnetic block is provided on blade 102, limited block 103 is made of iron.The characteristic inhaled using magnetic block and iron phase, can
To guarantee when not having wind pressure, blade 102 also can be very good to connect with limited block 103.
The size of first through hole 104 is equal in magnitude with the second through-hole 105, limited block 103 in a ring, and two limited blocks
103 are coaxially disposed with first through hole 104 and the second through-hole 105 respectively.Limited block 103 in a ring can have the effect of sealing
Fruit, after blade 102 is bonded with limited block 103 completely, limited block 103 in a ring can be by blade 102 and the second through-hole 105
And the second gap between through-hole 105 is blocked, thus lift-off seal.
The circular in cross-section of first through hole 104, the circular in cross-section of the second through-hole 105, blade 102 is rounded, limit
The outer diameter of position block 103 is equal with the diameter of first through hole 104, and the internal diameter of limited block 103 is less than the diameter of blade 102.In this way may be used
More easily to guarantee leakproofness by being bonded for blade 102 and limited block 103.
The diameter of first through hole 104 is less than the diameter of third through-hole 106.Wind can be allowed to pass through so happier, together
Pressure of the Shi Zeng great wind to blade 102.
Shaft 108 and fixing body 101 are rotatablely connected, and shaft 108 is rotated around its axial line relative to fixing body 101, shaft
108 axial line and the axial line of first through hole 104 are vertically arranged, and the axle center of the axial line of shaft 108 and the second through-hole 105
Line is vertically arranged, and blade 102 is fixedly connected with shaft 108.Need to the state of first through hole 104 and the second through-hole 105 into
When row adjustment, rotating shaft 108 is only needed, so that it may band movable vane piece 102 turns at first through hole 104 or the second through-hole 105,
When blade 102 is located at first through hole 104, first through hole 104 can be blocked, wind is from the second through-hole 105 and third through-hole
106 circulations are that blade 102 is by 105 plug for seal of the second through-hole from first through hole when blade 102 is located at the second through-hole 105
104 and third through-hole 106 at circulate.
Fixing body 101 is stretched out in one end of shaft 108, and one end of the stretching fixing body 101 of shaft 108 is provided with handle 109.
Control enhanced convenience after handle 109 is set.
Embodiment 2
A kind of centrifugal fan is present embodiments provided, including adaptive folding valving as above.
Centrifugal fan provided in this embodiment includes above-mentioned adaptive folding valving, can safe and reliable, side
Just utilization fan pressure control valve reprint position, to control through-flow mode.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of adaptive folding valving, which is characterized in that including fixing body, blade and shaft, set on the fixing body
It is equipped with a cavity and three through-holes, three through-holes are respectively first through hole, the second through-hole and third through-hole, and described first
Through-hole, second through-hole and the third through-hole are connected to the cavity respectively, and the shaft is installed on the first through hole
With the junction of second through-hole, the blade is installed on the shaft, the blade position in the cavity, described in rotation
Blade enables the first through hole close or enable second through-hole to close.
2. adaptive folding valving according to claim 1, which is characterized in that the first through hole and described second
Through-hole is symmetrical arranged along the axial line of the third through-hole.
3. adaptive folding valving according to claim 1, which is characterized in that the adaptive folding valving
It further include two limited blocks, two limited blocks are respectively arranged in the fixing body, and two limited blocks are located at
In first through hole and second through-hole, the shaft is between the third through-hole and the limited block.
4. adaptive folding valving according to claim 3, which is characterized in that setting is magnetic on the blade
Block, the limited block are made of iron.
5. adaptive folding valving according to claim 3, which is characterized in that the size of the first through hole and institute
State the equal in magnitude of the second through-hole, the limited block in a ring, and two limited blocks respectively with the first through hole and institute
State the coaxial arrangement of the second through-hole.
6. adaptive folding valving according to claim 5, which is characterized in that the cross section of the first through hole is in
Circle, the circular in cross-section of second through-hole, the blade is rounded, the outer diameter of the limited block and the first through hole
Diameter it is equal, the internal diameter of the limited block is less than the diameter of the blade.
7. adaptive folding valving according to claim 6, which is characterized in that the diameter of the first through hole is less than
The diameter of the third through-hole.
8. adaptive folding valving according to claim 1, which is characterized in that the shaft and the fixing body turn
Dynamic connection, the shaft are rotated around its axial line relative to the fixing body, the axial line of the shaft and the first through hole
Axial line be vertically arranged, and the axial line of the shaft and the axial line of second through-hole are vertically arranged, the blade with
The shaft is fixedly connected.
9. adaptive folding valving according to claim 1, which is characterized in that described in one end of the shaft is stretched out
Fixing body, and the shaft stretches out one end of the fixing body and is provided with handle.
10. a kind of centrifugal fan, which is characterized in that including adaptive folding valve as described in any one of claim 1 to 9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547629.8U CN208885571U (en) | 2018-09-20 | 2018-09-20 | A kind of adaptively folding valving and centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547629.8U CN208885571U (en) | 2018-09-20 | 2018-09-20 | A kind of adaptively folding valving and centrifugal fan |
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| Publication Number | Publication Date |
|---|---|
| CN208885571U true CN208885571U (en) | 2019-05-21 |
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ID=66513376
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821547629.8U Active CN208885571U (en) | 2018-09-20 | 2018-09-20 | A kind of adaptively folding valving and centrifugal fan |
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| CN (1) | CN208885571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980087A (en) * | 2018-09-20 | 2018-12-11 | 重庆通用工业(集团)有限责任公司 | A kind of adaptively folding valving and centrifugal fan |
-
2018
- 2018-09-20 CN CN201821547629.8U patent/CN208885571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980087A (en) * | 2018-09-20 | 2018-12-11 | 重庆通用工业(集团)有限责任公司 | A kind of adaptively folding valving and centrifugal fan |
| CN108980087B (en) * | 2018-09-20 | 2024-03-08 | 重庆通用工业(集团)有限责任公司 | Self-adaptive opening and closing valve device and centrifugal ventilator |
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