CN206339872U - A kind of volume adjusting apparatus of chamber type air fan performance detection device - Google Patents
A kind of volume adjusting apparatus of chamber type air fan performance detection device Download PDFInfo
- Publication number
- CN206339872U CN206339872U CN201621389489.7U CN201621389489U CN206339872U CN 206339872 U CN206339872 U CN 206339872U CN 201621389489 U CN201621389489 U CN 201621389489U CN 206339872 U CN206339872 U CN 206339872U
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- CN
- China
- Prior art keywords
- airduct
- rotating shaft
- valve block
- detection device
- type air
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Abstract
The utility model discloses a kind of volume adjusting apparatus of chamber type air fan performance detection device, including airduct, also including being rotationally connected with the airduct and one end wears out rotating shaft outside the airduct, in the airduct and is fixedly connected on the valve block of the rotating shaft, the locking piece for locking the rotating shaft.The utility model has advantages below and effect：This programme utilizes new mechanical structure, when needing to change the test air quantity of blower fan, rotating shaft, to control the folding angle of valve block, so as to realize the step-less adjustment to fan test air quantity, inleakage of the fire resisting damper under different test air quantity is tested, so as to help to obtain accurate test result, finally by the setting of locking piece, carry out fixed rotating shaft, valve block is set to keep rotational angle, it is to avoid valve block is rotated when equipment works under wind-force effect, to keep testing the constant of air quantity.
Description
Technical field
The utility model is related to fan manufacturing technology field, more particularly to a kind of wind of chamber type air fan performance detection device
Quantity regulating device.
Background technology
Building ventilation and smoke evacuation system fire-protection valve will carry out quality testing, and one of which is detected as air leakage rate check,
Air leakage rate check is completed by chamber type air fan performance detection device.One end of chamber type air fan performance detection device connects
Fire resisting damper and other end connection accessory fan are connect, starts accessory fan, carries out air-breathing, detect the inleakage of fire resisting damper.
In the prior art, the test air quantity of accessory fan is the rotating speed by adjusting accessory fan, and the tune of accessory fan
Rotating speed gear typically only a small number of is saved, range of choice is small, and span is big, it is impossible to be finely adjusted with accurate detection fire resisting damper in difference
The inleakage tested under air quantity.
Utility model content
The purpose of this utility model be to provide it is a kind of can to accessory fan test air quantity carry out step-less adjustment chamber type air
The volume adjusting apparatus of fan performance detection device.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of volume adjusting apparatus of chamber type air fan performance detection device, including airduct, also including being rotationally connected with
State airduct and one end wear out rotating shaft outside the airduct, in the airduct and be fixedly connected on the rotating shaft valve block,
Locking piece for locking the rotating shaft.
By using above-mentioned technical proposal, when needing to change the test air quantity of blower fan, rotating shaft, to control valve block
Folding angle, so that the step-less adjustment to fan test air quantity is realized, inleakage of the test fire resisting damper under different test air quantity,
So as to help to obtain accurate test result, finally by the setting of locking piece, carry out fixed rotating shaft, valve block is kept angle of rotation
Degree, it is to avoid valve block is rotated when equipment works under wind-force effect, to keep testing the constant of air quantity.
It is of the present utility model to be further arranged to：The locking piece includes being fixedly connected on consolidating on the airduct lateral wall
Stator, the through hole worn on the stator for the rotating shaft, the arcuate socket on the stator, it is fixedly connected on
Gripping block in the rotating shaft, one end be fixedly connected on it is described gripping block and the other end be fed through the arcuate socket threaded rod,
Located at the stator side and it is fixedly connected on the fixed block of the threaded rod, connects located at the stator opposite side and screw thread
The first nut of the threaded rod is connected to, the fixed block contacts at the stator.
By using above-mentioned technical proposal, when needing to adjust test air quantity, unscrew the first nut, make the first nut not with
Stator conflict, then holds with a hand gripping block, rotates and grips block, grips block and drives axis of rotation, rotates valve block, realization pair
The regulation of air quantity is tested, also drives threaded rod to be slid in arcuate socket while gripping block, after valve block turns to correct position, is twisted
Tight first nut, makes the first nut push against in stator, to realize to threaded rod, grip block, rotating shaft and the positioning of valve block, with
Keep the constant of test air quantity.
It is of the present utility model to be further arranged to：The arcuate socket semicircular in shape is set, when the threaded rod contacts at institute
When stating arcuate socket two ends, the valve block and the airduct are coaxial.
By using above-mentioned technical proposal, when contradicting arcuate socket two ends by being threaded bar, valve block is coaxial with airduct, i.e.,
Valve block is closed, and test air quantity is zero, realizes the positioning to valve block in closed state, helps tester to determine closure state；
And set by setting arcuate socket to be semicircle, valve block is carried out the rotation of 180 degree, although the rotational angle of valve block halves,
But the adjustable range of test air quantity is constant, arrives the distance between threaded rod by observing arcuate socket two ends, helps tentatively to estimate
Calculate the rotational angle of valve block.
It is of the present utility model to be further arranged to：The locking piece include be fixedly connected on the lateral wall of the airduct and
The collar that is set in the rotating shaft, be circumferentially arranged in the collar away from some flexure strips on the end face of described airduct one end,
It is threadedly connected to the rotation cylinder of the collar, located at the rotation conical sleeve of the cylinder away from described airduct one end, the rotation cylinder direction
The rotating shaft is increasingly towards during the collar motion, after the flexure strip contact conical sleeve madial wall to draw close until supporting
Tightly.
By using above-mentioned technical proposal, when adjusting the size of test air quantity, first unscrew rotation cylinder, rotation cylinder is left beam
, there is space, rotating shaft turns to valve block after proper angle in set between flexure strip and rotating shaft, rotation cylinder is threadedly connected to
Collar, revolve cylinder constantly moved towards collar when, flexure strip contradict conical sleeve madial wall after, because conical sleeve internal diameter not
It is disconnected to diminish so that flexure strip is constantly drawn close towards rotating shaft and constantly pushed against in rotating shaft, after rotation cylinder is tightened on collar, rotating shaft quilt
Flexure strip is tightly clamped, and limits circumferentially rotating for rotating shaft, realizes the positioning of countershaft and valve block, to keep testing air quantity
It is constant.
It is of the present utility model to be further arranged to：The end face of the close rotating shaft of the flexure strip is provided with some convex
Rise.
By using above-mentioned technical proposal, raised setting increases the frictional force between rotating shaft and flexure strip so that turn
Axle can be clamped firmly by flexure strip, it is to avoid rotating shaft is circumferentially rotated.
It is of the present utility model to be further arranged to：The madial wall of the airduct is provided with when the valve block axis and the wind
The limited block contradicted when the axis of pipe is overlapped for the valve block.
By using above-mentioned technical proposal, when valve block contacts at limited block, the axis of valve block is overlapped with the axis of airduct,
I.e. valve block is closed, and test air quantity is zero, the positioning to valve block in closed state is realized, because rotating shaft can carry out unconfined turn
It is dynamic, prevent tester from judging the closure state of valve block by observing rotating shaft, the setting of limited block can help tester
Closure state is determined, using closure state as reference, then by rotational angle come the rotational angle of preresearch estimates valve block.
It is of the present utility model to be further arranged to：The circle that is circumferentially with of the valve block contacts at the airduct madial wall
Elastic ring.
By using above-mentioned technical proposal, the setting of elastic ring increases the sealing of valve block and airduct, contributes to experiment
The stability of data.
In summary, the utility model has the advantages that：By setting valve block and rotating shaft, when need change blower fan
Test air quantity when, by rotating shaft, to control the folding angle of valve block so that realize to test air quantity step-less adjustment,
Inleakage of the fire resisting damper under different test air quantity is tested, so as to help to obtain accurate test result；By setting locking
Part, realizes the locking of countershaft, valve block is kept rotational angle, it is to avoid valve block is rotated when equipment works under wind-force effect,
So as to realize the constant of test air quantity, help to obtain accurate experimental data.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the sectional view of embodiment 1；
Fig. 3 is the structural representation for being mainly used in embodying arcuate socket and through hole in embodiment 1；
Fig. 4 is the structural representation of embodiment 2；
Fig. 5 is the explosive view of embodiment 2；
Fig. 6 is the sectional view of collar in embodiment 2；
Fig. 7 is the sectional view of embodiment 2.
In figure：1st, airduct；2nd, valve block；3rd, rotating shaft；4th, locking piece；41st, stator；411st, level board；412nd, side plate；413、
Through hole；414th, arcuate socket；42nd, block is gripped；43rd, threaded rod；44th, fixed block；45th, the first nut；46th, collar；47th, flexure strip；
471st, it is raised；48th, cylinder is revolved；49th, conical sleeve；5th, elastic ring；6th, the second nut；7th, knob；8th, limited block.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：
A kind of volume adjusting apparatus of chamber type air fan performance detection device, with reference to Fig. 1 and Fig. 2, including airduct 1, airduct 1
Interior to be provided with valve block 2, valve block 2 is rounded to be set and is circumferentially with elastic ring 5, and elastic ring 5 contacts at the madial wall of airduct 1, increases valve
Sealing between piece 2 and airduct 1, elastic ring 5 can be made of elastomeric material, and the radial direction of valve block 2 is equipped with rotating shaft 3, rotating shaft 3 and valve
Piece 2 is fixedly connected, and the two ends of rotating shaft 3 wear outside discharge pipe 1 and rotated with airduct 1 and are connected, and the threaded one end of rotating shaft 3 is connected with second
Nut 6.
With reference to Fig. 2, the other end of rotating shaft 3 is provided with locking piece 4（With reference to Fig. 1）, locking piece 4（With reference to Fig. 1）Including stator
41, stator 41 includes a level board 411 and two side plates 412, there is gap between level board 411 and the lateral wall of airduct 1,
Two side plates 412 are symmetricly set in the both sides of level board 411, and side plate 412 is integrally formed with level board 411, and side plate 412 is towards wind
The lateral wall of pipe 1 sets and is welded on the lateral wall of airduct 1, with reference to Fig. 3, and level board 411 is provided with the through hole worn for rotating shaft 3
413, through hole 413 coordinates with the gap of rotating shaft 3.
With reference to Fig. 2, rotating shaft 3 is welded with gripping block 42 close to one end of stator 41, grips the close stator 41 of block 42
End face on be welded with threaded rod 43, threaded rod 43 is set towards level board 411, with reference to Fig. 3, and level board 411 is provided with supplying spiral shell
The arcuate socket 414 that rasp bar 43 is fed through, the semicircular in shape of arcuate socket 414 is set, when threaded rod 43 contacts at the two ends of arcuate socket 414
When, with reference to Fig. 2, the axis of valve block 2 is overlapped with the axis of airduct 1.Threaded rod 43 is solid away from being welded with the one end for gripping block 42
Determine block 44, fixed block 44 contacts on level board 411, threaded rod 43 close to one end of level board 411 and is threaded with the first spiral shell
Mother 45, for pushing against end face of the level board 411 away from fixed block 44.
When to adjust test air quantity, unscrew the first nut 45, the first nut 45 is not contradicted with level board 411, then
Gripping block 42 is held with a hand, rotates and grips block 42, block 42 is gripped and drives rotating shaft 3 to rotate, rotate valve block 2, realize to test wind
The regulation of amount, also drives threaded rod 43 to be slid in arcuate socket 414 while gripping block 42, after valve block 2 turns to correct position,
The first nut 45 is tightened, the first nut 45 is pushed against in level board 411, to realize the positioning to valve block 2.
Embodiment 2：
A kind of volume adjusting apparatus of chamber type air fan performance detection device, the difference with embodiment 1 is to refer to
Fig. 4 and Fig. 5, the locking piece 4 includes collar 46, rotation cylinder 48, and one end of collar 46 is welded on the lateral wall of airduct 1 and with turning
Axle 3 is coaxially disposed, and rotating shaft 3 coordinates with the gap of collar 46, is circumferentially arranged on one end end face of the collar 46 away from airduct 1 located at some
Flexure strip 47（With reference to Fig. 6）, flexure strip 47（With reference to Fig. 6）End face close to rotating shaft 3 is provided with some raised 471（With reference to figure
6）, sliding is arranged with rotation cylinder 48 in rotating shaft 3, and rotation cylinder 48 can be threadedly coupled with collar 46.
With reference to Fig. 5 and Fig. 6, the one end of rotation cylinder 48 away from collar 46 is provided with conical sleeve 49, conical sleeve 49 and rotation cylinder 48
It is integrally formed, conical sleeve 49 is big and small away from one end internal diameter for revolving cylinder 48 close to one end internal diameter of rotation cylinder 48, revolves the direction of cylinder 48
Rotating shaft 3 is increasingly towards when collar 46 is moved, after the contact madial wall of conical sleeve 49 of flexure strip 47 to draw close, until pushing against in rotating shaft 3.
Rotating shaft 3 is fixedly connected with knob 7 on one end of collar 46, facilitates rotating shaft 3.
With reference to Fig. 7, the madial wall of airduct 1 is provided with rotates the limited block 8 contradicted for valve block 2, when valve block 2 contact at it is spacing
During block 8, the axis of valve block 2 is overlapped with the axis of airduct 1.
When to adjust test air quantity, first unscrew rotation cylinder 48, rotation cylinder 48 is left collar 46, flexure strip 47 and rotating shaft 3 it
Between there is space, hold knob 7, rotating shaft 3 turns to valve block 2 after proper angle, will rotation cylinder 48 be threadedly connected to collar
46, cylinder 48 is being revolved towards during the constantly motion of collar 46, and flexure strip 47 is contradicted after the madial wall of conical sleeve 49, because of conical sleeve 49
Internal diameter constantly diminish so that flexure strip 47 is constantly drawn close towards rotating shaft 3 and constantly pushed against in rotating shaft 3, when rotation cylinder 48 be tightened on
After on collar 46, rotating shaft 3 is tightly clamped by flexure strip 47, limits circumferentially rotating for rotating shaft 3, realizes countershaft 3 and valve block 2
Positioning.
Specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, this area
Technical staff can make the modification without creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of volume adjusting apparatus of chamber type air fan performance detection device, including airduct（1）, it is characterised in that also include
It is rotationally connected with the airduct（1）And one end wears out the airduct（1）Outer rotating shaft（3）, positioned at the airduct（1）It is interior and solid
Surely it is connected to the rotating shaft（3）Valve block（2）, for locking the rotating shaft（3）Locking piece（4）.
2. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 1, it is characterised in that
The locking piece（4）Including being fixedly connected on the airduct（1）Stator on lateral wall（41）, located at the stator（41）
It is upper to supply the rotating shaft（3）The through hole worn（413）, located at the stator（41）On arcuate socket（414）, be fixedly connected on institute
State rotating shaft（3）On gripping block（42）, one end be fixedly connected on the gripping block（42）And the other end is fed through the arcuate socket
（414）Threaded rod（43）, located at the stator（41）Side and it is fixedly connected on the threaded rod（43）Fixed block
（44）, located at the stator（41）Opposite side and it is threadedly connected to the threaded rod（43）The first nut（45）, it is described solid
Determine block（44）Contact at the stator（41）.
3. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 2, it is characterised in that
The arcuate socket（414）Semicircular in shape is set, when the threaded rod（43）Contact at the arcuate socket（414）It is described during two ends
Valve block（2）With the airduct（1）Coaxially.
4. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 1, it is characterised in that
The locking piece（4）Including being fixedly connected on the airduct（1）Lateral wall on and be set in the rotating shaft（3）On collar
（46）, be circumferentially arranged in the collar（46）Away from the airduct（1）Some flexure strips on the end face of one end（47）, threaded connection
In the collar（46）Rotation cylinder（48）, located at the rotation cylinder（48）Away from the airduct（1）The conical sleeve of one end（49）, institute
State rotation cylinder（48）Towards the collar（46）During motion, the flexure strip（47）Contact the conical sleeve（49）After madial wall by
Gradually towards the rotating shaft（3）Draw close until pushing against.
5. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 4, it is characterised in that
The flexure strip（47）The close rotating shaft（3）End face be provided with some projections（471）.
6. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 5, it is characterised in that
The airduct（1）Madial wall be provided with work as the valve block（2）Axis and the airduct（1）Axis overlap when supply the valve block
（2）The limited block of conflict（8）.
7. a kind of volume adjusting apparatus of chamber type air fan performance detection device according to claim 1, it is characterised in that
The valve block（2）The circle that is circumferentially with contact at the airduct（1）The elastic ring of madial wall（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389489.7U CN206339872U (en) | 2016-12-16 | 2016-12-16 | A kind of volume adjusting apparatus of chamber type air fan performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389489.7U CN206339872U (en) | 2016-12-16 | 2016-12-16 | A kind of volume adjusting apparatus of chamber type air fan performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339872U true CN206339872U (en) | 2017-07-18 |
Family
ID=59301951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389489.7U Expired - Fee Related CN206339872U (en) | 2016-12-16 | 2016-12-16 | A kind of volume adjusting apparatus of chamber type air fan performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032194A (en) * | 2018-08-28 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | The air quantity observation adjuster and its application method of sewage plant bad smell collection processing |
-
2016
- 2016-12-16 CN CN201621389489.7U patent/CN206339872U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032194A (en) * | 2018-08-28 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | The air quantity observation adjuster and its application method of sewage plant bad smell collection processing |
| CN109032194B (en) * | 2018-08-28 | 2023-09-08 | 上海市城市建设设计研究总院（集团）有限公司 | Air quantity observation regulator for collecting and treating odor of sewage plant and application method thereof |
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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: 20170718 Termination date: 20211216 |