CN2451776Y - Regulating gate controller for ventilator - Google Patents
Regulating gate controller for ventilator Download PDFInfo
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- CN2451776Y CN2451776Y CN 00212793 CN00212793U CN2451776Y CN 2451776 Y CN2451776 Y CN 2451776Y CN 00212793 CN00212793 CN 00212793 CN 00212793 U CN00212793 U CN 00212793U CN 2451776 Y CN2451776 Y CN 2451776Y
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- garden
- adaptive device
- drive link
- hole
- movingly
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Abstract
The utility model discloses a controller for regulating gates of ventilators. One end of a movement adaptive device 5 which is roughly cylindrical is in movable fit with a transmission rod 3, the surface of the outer side of which is a cylindrical surface. The movement adaptive device 5 can be rotated and can also be slid along the transmission rod 3. The movement adaptive device 5 can be made to do right amount of relative rotation around an intersection in the defined plane of the transmission rod 3 and the movement adaptive device 5. The other end of the movement adaptive device 5 is in movable fit with the transmission rod 3 in the radial direction of a rotary disk 6 and can be rotated and slid along the corresponding radial direction of the rotary disk. In this way, the control of regulating gates of ventilators can be harmonious and fluent. The utility model overcomes a defect that a structure of the currently accepted controller for regulating gates of ventilators is maladjusted with the state of movement and eliminates mechanical failure due to the defect.
Description
The utility model belongs to a kind of ventilation equipment.
A large amount of centrifugal fans of present domestic application are that the seventies is organized national blower fan industry technology personnel co-design by former Ministry of Machine-Building Industry.All parts of the country that present its design drawing data is a public publication all have distribution to print unit, for example: the 7th page to the 14th page drawing data of just listing a large amount of blower fans of catalogue in " Machine Design and the fabrication drawing book " of Beijing industrial machinery design and research institute, wherein application quantity is bigger just belongs to G4-72, the centrifugal ventilating draught fan of G4-73 boiler.
The adjusting of centrifugal fan ventilation and control are finished by adjustment doors (claiming register, air door again).The quantity of plane No. different adjustment gate flap sheet, size are all different, but its control principle is all identical.Stir the drive link that is fastened on the adjustment doors blade rotor by the rotating disk that rotates around adjustment doors air duct center line exactly and control the open and close of blade, in time be fit to require the aperture of ventilation with this.It vertically has the long strip through hole in the drive link upper edge, and rotating disk is stirred drive link radially there being the garden columnar protrusions to insert in this long strip hole accordingly with this.Because rotating disk and drive link are done rotation motion separately in becoming two planes of 90 °, so each Placement of both this, the incompatibility rotating disk is around the rotation of air duct center line, for prevent that rotating disk is stuck in the elongated hole of drive link, the artificer has adopted the radially matching gap of garden post projection of increasing drive link elongated hole and rotating disk, solves this problem.Just because of this gap of having been strengthened, make to be in " out of control " state at the adjustment doors blade.Here it is produces the adjustment doors vibration, rotates inconsistent between each blade mutually ... root etc. fault.When both return to contact and the time produce impact again by not contacting, make between the two the drive connection smoothness of being discord.
The purpose of this utility model just provides a kind of new ventilator adjustment doors control gear, and it can eliminate gap excessive between rotating disk and drive link, solves both Placements and their the unconformable problem of motion state.
To have adopted the drive link outer surface be the garden cylindroid to the utility model for achieving the above object, the motion adaptive device is installed between described drive link and rotating disk, the outer garden of its end and described drive link cylinder movingly, not only rotate but also slide along described drive link, the other end and described rotating disk corresponding radially movingly, along radially not only rotating but also slide accordingly, the cooperation place of an end therein, have again in it and the determined plane of counterpart, rotate around fixed point within the specific limits.
Described motion adaptive device can be that relative bi-side are arranged is the microscler through hole of garden cylinder for the parallel plane opposite end to an end, it and described drive link are movingly, the other end is the garden column, and its center line is vertical with microscler through hole center line and give described rotating disk radially movingly accordingly mutually.
Described motion adaptive device can also be a tubulose, the post hole, garden of an end and described drive link movingly, the other end is for connecting the elongated hole of both sides tube wall, this centerline hole is vertical with garden cylindricality inner hole centreline and crossing.Long slightly on the cylindricality inner hole centreline direction of garden, described rotating disk accordingly radially in the garden columnar protrusions patchhole movingly.
Described motion adaptive device more can be the annular component that has garden post afterbody, it has a microscler through hole that connects, the bi-side in hole are parallel plane on the long direction in hole, its center line is the vertical center line of described motion adaptive device, described drive link inserts wherein, both can rotate and can slide movingly.Described motion adaptive device at the other end and described rotating disk radially movingly accordingly at it, around radially rotating accordingly, on the direction of turning axle, axial restraint.
Rotating disk is stirred the process of drive link, the process that also to be both common points move along oneself movement locus.Since the common point that has adopted said structure to satisfy to be positioned on the drive link relative to the characteristics of motion of the gyration center-rotating shaft of drive link-when rotating also with moving along drive link, also satisfied common point in the corresponding characteristics of motion of radially not only having rotated but also having moved of rotating disk based on same reason, motion adaptive device as both common points, satisfied both characteristics of motion, made both motion harmony, smoothnesses, natural naturally.The motion adaptive device is simple in structure simultaneously, low cost of manufacture.
Below in conjunction with accompanying drawing the utility model embodiment is done further detailed description.
Fig. 1 is present known ventilator adjustment doors control gear sketch.
Fig. 2 and Fig. 3 are two generalized sections of Fig. 1.Illustrate rotating disk radially garden columnar protrusions and drive link different
Contact condition during the position.
Fig. 4 is that schematic representation is closed in the motion of rotating disk and drive link.
Fig. 5 is a ventilator adjustment doors control gear schematic representation that the motion adaptive device is installed.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the schematic representation of a mode of execution.
Fig. 8 is the schematic representation of a mode of execution.
Fig. 9 is the A-A sectional view of Fig. 8.
Figure 10 is the structural drawing of drive link end.
Figure 11 is the A-A sectional view of Figure 10.
Figure 12 is the structural drawing of drive link end.
Figure 13 is the schematic representation of a mode of execution.
Figure 14, Figure 15 are respectively A-A, the B-B sectional views of Figure 13.
Figure 16 is the schematic representation of a mode of execution.
Figure 17 is the schematic representation of a mode of execution.
Figure 18 is the C-C sectional view of Figure 17.
Figure 19 is the schematic representation of a mode of execution.
Figure 20 is the schematic representation of a mode of execution.
Figure 21 is the A-A sectional view of Figure 20.
Figure 22 is the schematic representation of another mode of execution.
Figure 23 is the A-A sectional view of Figure 22.
Fig. 1 has schematically shown the structure of the centrifugal blower adjustment doors control gear of extensive use on the present market.Rotating disk inserts in the longitudinally elongated through hole of drive link at corresponding radially garden columnar protrusions, need to prove that the producer that on the rotating disk there is corresponding garden columnar protrusions radially is fixed on the outer garden of rotating disk, the blower fan of the big plane No. that has with it as one independently part handle, shown in double dot dash line among the figure, structural difference does not have the essence influence to the characteristics of motion.
Fig. 2 has represented owing to the rotation of rotating disk in vertical plane, and microscler longitudinally this rotation of through hole incompatibility on the drive link.
Fig. 3 has represented owing to adding the radially situation that do not contact that causes of garden post projection and the gap of elongated hole of traffic cycle.
Fig. 4 analyzes the corresponding radially analysis chart of mutual kinematic relation with rotating disk of drive link, has omitted both profiles for simplification.
The O-O axle is an adjustment doors air duct center line among the figure, and the intersection PP ' of the horizontal plane at rotating disk place vertical surface and drive link place is exactly the movement locus of both common points.When rotating disk after the O-O axle rotates the Q angle, the some P on its relevant radii moves to P ', the displacement that makes progress in corresponding footpath simultaneously is AP '.Be subjected to stirring of rotating disk, drive link rotates around O ' point (being adjustment doors blade turning axle and horizontal plane intersection point) in horizontal plane, moves to O ' P ' by O ' P, along it displacement A ' P ' is arranged vertically simultaneously.When the P of position, OP and O ' P are orthogonal, OP ' and O ' P ' two straight line out of plumb when moving to P ' position.In fact, corner Q was little when rotating disk was stirred drive link, so the angle of cut of OP ' and O ' P ' also changes not quite.Especially big plane No. blower fan, the rotating disk size is much bigger than the drive link size, and this difference is just littler, but it should be noted that this variation, and corresponding structure will adapt to this variation.
Motion adaptive device as rotating disk and drive link common point structurally satisfies above-mentioned moving condition, can reach the purpose of this utility model.
Further describe with several embodiments below.
See Fig. 5:
Fixing adjustment doors blade 9 in rotating shaft 2 lower ends, drive link 3 is being fixed with nut 4 in the upper end, axle sleeve 1 is fixed on the barrel of adjustment doors air duct 8, motion adaptive device 5 one ends cooperate the other end and rotating disk 6 in corresponding radial fit with drive link 3, this moment the end that cooperates with drive link 3 of described motion adaptive device 5 be a hole of growing slightly in vertical direction and in the horizontal direction with the matching relationship of described drive link 3 for movingly.Drive link 3 is the planar part generally speaking, and especially big plane No. ventilator is all the more so, and at this moment its side is processed to the garden cylindrical surface, and this moment, described motion adaptive device 5 just can rotate around described drive link 3, again can be along its longitudinal sliding motion.As for the waney hole of the Vertical direction of described motion adaptive device 5 is not hole, ellipse garden, but isometrical hole in vertical direction the Mobility Center line form, mobile value is decided by the radius of rotating disk 6, rotating disk 6 is to geometric conditions such as the distance of adjusting vane rotating shaft and corner Q, this value is little in general, and is corresponding radially and the variation of 3 angles of cut of drive link in order to compensation rotating disk 6 described in rotate.The motion that the variation in aperture is in vertical direction stirred drive link 3 to substantially horizontal top rotary table 6 is had no effect.
Fig. 6 A-A sectional view has just reacted this relation.
At the garden mast of corresponding radially porose and motion adaptive device 5 the other ends of rotating disk 6 movingly, guaranteed that both are along the corresponding kinematic relation of radially not only rotating but also moving of rotating disk 6.
In this embodiment, driving motion adaptive device 5 when rotating disk 6 rotates rotates, drive link 3 is driven the center line rotation around adjusting vane rotating shaft 2 thereupon, because drive link 3 is cemented in rotating shaft 2, rotating shaft 2 is also rotated around the center line of oneself, the adjustment doors blade 9 that is fixed on rotating shaft 2 lower ends is also just along with rotation, and this has just finished the control to ventilation.
Fig. 7 is another mode of execution.
At this moment, an end of motion adaptive device 5 is the garden cylindricality endoporus of standard and cooperating of garden cylinder with cooperating of drive link 3.Connect the variation of and drive link 3 angles of cut radially corresponding between motion adaptive device 5 two ends in order to compensation rotating disk 6 with hinge.The other end of motion adaptive device 5 for pipe, be post all can, the kinematic relation between each member is variation not.
Fig. 8 is another mode of execution, motion this moment adaptive device 5 profiles in a tubular form, the garden mast shape structure of the other end is transformed to post hole, garden, and rotating disk 6 radially becomes radially garden stud bump by the hole corresponding, and with the pore of motion adaptive device for concerning movingly.
Fig. 9 is the A-A sectional view of Fig. 8.
Figure 10 and Figure 11 represented drive link 3 ends during fabrication its profile just form the projection of outstanding outer garden cylinder, mainly be to prevent 5 slippages of motion adaptive device, at rotating disk 6 and 8 of air ducts fixing device is arranged generally, unless it is unexpected, generally speaking can slippage, this moment, the structure of drive link 3 will change.
It is to install shaft end ring additional at drive link 3 ends that Figure 12 has reacted another kind of anti-slip form.
Figure 13 is another mode of execution.
This moment, described motion adaptive device 5 was the pipe that level is installed, internal diameter and drive link 3 are movingly, can realize rotating again and slide, the vertical center line of the other end also connects a hole by center line, with rotating disk 6 corresponding radially garden columnar protrusions movingly, just this through hole is long slightly on axial direction, and reason is the same.There is stopper 7 at 5 terminal mouth of pipe places, available industrial rubber at the motion adaptive device ... make Deng material, mainly play aesthetic effect.
Figure 14, Figure 15 are respectively A-A, the B-B sectional views of Figure 13.
Reacted the mated condition at motion adaptive device 5 two ends.
Figure 16 has represented a kind of mode of execution.
This kind mode of execution is the another distortion of a motion adaptive device 5 in a last embodiment, motion adaptive device 5 one ends are opened in the through hole (groove) along circumferential certain-length, described drive link 3 ends are fixed on a projection, or rivet clasp or screw threads for fastening all can, this projection is positioned at circumferential through-hole (groove).Motion adaptive device 5 the other ends are by center line and the perforation slotted hole of fixed length is arranged along center line.Described rotating disk 6 corresponding radially garden post projections and slotted hole movingly, stopper 7 still is positioned at mouth of pipe end.
The projection of drive link 3 ends still has the motion adaptive device slippage effect that prevents.
Figure 17 is the another distortion of Figure 16 mode of execution.
At this moment, described motion adaptive device 5 axially all has the outer surface of certain-length to be connected circumferential reaching, described drive link 3 ends still have a projection, be arranged in and connect the zone, the motion adaptive device the other end still has a through hole, the corresponding radially garden of described rotating disk post projection hole therewith cooperates, and situation is similar to Fig. 13 embodiments herein.
Figure 18 is the C-C sectional view of Figure 17.
Reacted the situation that the motion adaptive device is connected.
Figure 19 is another mode of execution.
This moment, the motion adaptive device 5 was divided into 5 and 5 ' two-part, respectively with drive link 3 and rotating disk 6 accordingly radially garden post projection movingly, this moment, part 5 and 5 ' coupled together with hinge.Motion adaptive device two end garden post centerline holes are in a plane, and are and orthogonal.
Figure 20 is another mode of execution.
In this embodiment, motion adaptive device 5 is annular components that have garden post afterbody, and its middle part is a microscler through hole, and its center line also is the vertical center line of whole motion adaptive device 5, have the drive link 3 of garden cylindrical outer surface to insert wherein, both movingly.Different with above embodiment is, motion adaptive device 5 can not only be along the longitudinal sliding motion of drive link 3, and can also along perpendicular to drive link 3 longitudinally direction slide, and former mode of execution, this motion is to be realized along rotating disk 6 corresponding slips radially by motion adaptive device 5.Motion adaptive device 5 has only one around radially having rotated accordingly relative to the motion of rotating disk 6 in this embodiment, and through hole is radially arranged accordingly at direction one rotating disk 6 along rotational axis, the garden post afterbody of motion adaptive device 5 inserts wherein, the through hole two ends respectively add a pad, and the outer end is fixed with pin.The mode of axial restraint by the difference of blower fan plane No., can adopt different known axial restraint modes.
Figure 21 is the A-A cutaway view Amplified image of Figure 20, reacted motion adaptive device 5 the axial restraint mode and with the position of dwang 3 relation.
Figure 22 has represented that at rotating disk 6 radially be not through hole accordingly, but the garden columnar protrusions, motion adaptive device 5 " turning axle axially " on the direction, both modes that is connected and fixed are similar to last example, also are the means of fixation of pad-pin.
Figure 23 is the A-A cutaway view Amplified image of Figure 22, has reacted the position relation of motion adaptive device 5 drive links 3 with rotating disk 6.
Claims (10)
1, a kind of ventilator adjustment doors control gear, it is by axle sleeve, and formations such as rotating shaft and rotating disk is characterized in that; Drive link (3) outer surface is the garden cylinder, between described drive link (3) and rotating disk (6), motion adaptive device (5) is installed, its end and described drive link (3) are movingly, not only rotate but also slide along described drive link (3), the other end and described rotating disk (6) corresponding radially movingly, radially not only rotate but also slide along corresponding, the cooperation place of an end therein can be rotated around fixed point in it and the determined plane of counterpart again within the specific limits.
2, ventilator adjustment doors control gear according to claim 1, it is characterized in that: it is parallel plane that described motion adaptive device (5) one ends have relative both sides, opposite end is the microscler through hole of garden cylinder, with described drive link (3) movingly, the other end be its center line of garden mast with garden, microscler through hole two ends cylinder center line in a plane and vertical, insert in described rotating disk (6) respective radial holes both movingly.
3, according to power with require 2 described ventilator adjustment doors control gear, it is characterized in that: described motion adaptive device (5) one ends are the tubular body that the garden cylindrical internal surface is arranged, and described rotating disk (6) is corresponding radially the garden columnar protrusions, and both movingly.
4, according to claim 2 or 3 described ventilator adjustment doors control gear, it is characterized in that: described motion adaptive device (5) one ends have garden cylindricality endoporus and described drive link (3) movingly, two ends are for flexibly connecting, and two ends can be rotated in the plane that heart line constitutes therein within the specific limits.
5, according to claim 2 or 3 described ventilator adjustment doors control gear, it is characterized in that: the projection that outstanding garden cylindrical outer surface is arranged at described drive link (3) end.
6, adjustment doors control gear according to claim 1, it is characterized in that: described motion adaptive device (5) in a tubular form, one end be garden cylindricality endoporus and the outer garden of described drive link (3) cylinder movingly, the other end is for connecting the microscler through hole of both sides tube wall, this centerline hole is vertical with garden cylindricality inner hole centreline and crossing, long slightly on the cylindrical internal surface centerline direction of garden, the corresponding radially garden of described rotating disk (6) columnar protrusions inserts in this elongated hole movingly.
7, according to the described ventilator adjustment doors of claim 6 control gear, it is characterized in that: one projection is arranged at described drive link (3) end, this projection is arranged in described motion adaptive device (5) one ends along the microscler through hole that circumferentially connects a side pipe wall, both movingly, described this centerline hole is positioned at the plane of vertical described motion adaptive device (5) center line, in described motion adaptive device (5) the other end perpendicular to and by centerline direction the one microscler through hole that connects the both sides tube wall is arranged, this microscler through hole is the plane along the described adaptive device that moves (5) center line both sides, the corresponding radially garden of described rotating disk (6) columnar protrusions inserts wherein, and both movingly.
8, ventilator adjustment doors control gear according to claim 6, it is characterized in that: at described drive link (3) end one projection is arranged, this projection is positioned at described motion adaptive device (5) respectively along circumferentially reaching the side pipe wall zone that axial certain-length is connected.
9, ventilator adjustment doors control gear according to claim 6, it is characterized in that: described motion adaptive device (5) the other end has garden post endoporus and the corresponding radially garden of described rotating disk (6) columnar protrusions movingly, two terminal circle cylindricality inner hole centreline is orthogonal, and flexibly connects.
10, ventilator adjustment doors control gear according to claim 1, it is characterized in that: described motion adaptive device (5) in the form of a ring, it has a microscler through hole that connects, the bi-side in hole are parallel plane on the long direction in hole, its center line is the vertical center line of described motion adaptive device (5), described drive link (3) inserts wherein both movingly, described motion adaptive device (5) one ends and described rotating disk (6) are at it radially movingly accordingly, radially be on the direction of rotational axis with this, axial restraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212793 CN2451776Y (en) | 2000-03-01 | 2000-07-31 | Regulating gate controller for ventilator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00210941 | 2000-03-01 | ||
| CN00210941.7 | 2000-03-01 | ||
| CN 00212793 CN2451776Y (en) | 2000-03-01 | 2000-07-31 | Regulating gate controller for ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2451776Y true CN2451776Y (en) | 2001-10-03 |
Family
ID=34064120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00212793 Expired - Fee Related CN2451776Y (en) | 2000-03-01 | 2000-07-31 | Regulating gate controller for ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2451776Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018058893A1 (en) * | 2016-09-29 | 2018-04-05 | 青岛海尔股份有限公司 | Centrifugal fan |
| WO2018058892A1 (en) * | 2016-09-29 | 2018-04-05 | 青岛海尔股份有限公司 | Centrifugal fan |
-
2000
- 2000-07-31 CN CN 00212793 patent/CN2451776Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018058893A1 (en) * | 2016-09-29 | 2018-04-05 | 青岛海尔股份有限公司 | Centrifugal fan |
| WO2018058892A1 (en) * | 2016-09-29 | 2018-04-05 | 青岛海尔股份有限公司 | Centrifugal fan |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Yuzhi Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |