CN216666039U - Shock attenuation formula draught fan - Google Patents
Shock attenuation formula draught fan Download PDFInfo
- Publication number
- CN216666039U CN216666039U CN202122857694.9U CN202122857694U CN216666039U CN 216666039 U CN216666039 U CN 216666039U CN 202122857694 U CN202122857694 U CN 202122857694U CN 216666039 U CN216666039 U CN 216666039U
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- CN
- China
- Prior art keywords
- induced draft
- draft fan
- rotating shaft
- draught fan
- damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 title claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of induced draft fans, in particular to a damping type induced draft fan, which comprises: the induced draft fan comprises an induced draft fan main body, a rotating shaft, a driving motor and limiting planes, wherein the rotating shaft is arranged on two sides of the induced draft fan main body, the side wall of the rotating shaft on one side is connected with the driving motor, and the limiting planes which are uniformly distributed are arranged on the outer wall of the rotating shaft on the other side; damper connects in the pivot, damper includes base, spring damper, support, axle sleeve and stop screw, the base top left and right sides all sets up spring damper, the spring damper top sets up the support, can be when carrying out shock attenuation protection to the draught fan, adjusts the direction of the air-out pipeline of draught fan, conveniently carries out different forms's erection joint with the air-out pipeline of draught fan, improves the installation application scope of draught fan.
Description
Technical Field
The utility model relates to the technical field of induced draft fans, in particular to a damping type induced draft fan.
Background
The induced draft fan is a device which generates negative pressure through the rotation of an impeller and further extracts air from a corresponding environment. The impeller can produce centrifugal force in the process of rotating, and because the impeller is the main working part of the induced draft fan, the impeller generally occupies a large volume ratio of the induced draft fan. Therefore, when the impeller rotates, the vibration amplitude of the induced draft fan is large, the working noise of the induced draft fan is further caused to be large, and the induced draft fan is easy to damage due to vibration.
The patent number CN201821160987.3 discloses a damping induced draft fan, which comprises a lower base, an upper base, a shell, a driving device, a belt transmission structure and an impeller, wherein a plurality of buffer components and a plurality of limiting components are arranged between the lower base and the upper base; the top end of the shell is provided with an air outlet, one side of the shell is provided with an air inlet, and the edge of the air inlet of the shell is fixedly provided with a clamping device; the shell and the driving device are fixedly arranged on the upper base, the driving device is connected with the belt transmission structure, the impeller is rotatably connected in the shell, and the rotating shaft of the impeller is in transmission connection with the belt transmission structure. By arranging the buffering assembly and the limiting assembly, the vibration amplitude of the draught fan is effectively reduced, and the limiting assembly can also effectively limit the limit distance of the vertical vibration of the draught fan.
Above-mentioned shock attenuation draught fan is when using, and draught fan structure itself is fixed, can't adjust the direction of the air-out pipeline of draught fan, and inconvenient air-out pipeline and the external pipeline with the draught fan carry out different forms' erection joint.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the conventional vibration-damping type induced draft fan.
Therefore, the utility model aims to provide a damping type draught fan, which can regulate the direction of an air outlet pipeline of the draught fan while performing damping protection on the draught fan, is convenient for mounting and connecting the air outlet pipeline of the draught fan and an external pipeline in different forms, and improves the mounting and application range of the draught fan.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a shock attenuation formula draught fan, it includes:
the induced draft fan comprises an induced draft fan main body, rotating shafts, a driving motor and limiting planes, wherein the rotating shafts are arranged on two sides of the induced draft fan main body, the side wall of one rotating shaft is connected with the driving motor, and the outer wall of the other rotating shaft is provided with the uniformly distributed limiting planes;
damper connects in the pivot, damper includes base, spring damper, support, axle sleeve and stop screw, the base top left and right sides all sets up spring damper, the spring damper top sets up the support, both sides the axle sleeve that corresponds with the pivot is all connected at the support top, stop screw connects on the axle sleeve that corresponds with spacing plane.
As a preferred scheme of a shock attenuation formula draught fan of this invention, wherein: the rotating shaft is a hollow shaft, a dust screen is arranged in the rotating shaft at the position of the limiting plane, and a driving rod of the driving motor penetrates through the hollow part of the rotating shaft to be connected with fan blades in the main body of the induced draft fan.
As a preferred scheme of a shock attenuation formula draught fan of this invention, wherein: the base bottom is provided with evenly distributed's gyro wheel, the gyro wheel adopts the auto-lock truckle.
As a preferred scheme of a shock attenuation formula draught fan of this invention, wherein: and the limiting plane is provided with a clamping groove corresponding to the limiting screw rod.
As a preferred scheme of a shock attenuation formula draught fan of this invention, wherein: the outer end of the limiting screw is provided with a rotating wheel, and the rotating wheel is provided with an anti-skidding sleeve.
Compared with the prior art: the utility model can adjust the direction of the air outlet pipeline of the draught fan while performing shock absorption protection on the draught fan, is convenient for mounting and connecting the air outlet pipeline of the draught fan with an external pipeline in different forms, and improves the mounting application range of the draught fan.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the structure of the induced draft fan of the present invention;
fig. 3 is a schematic structural view of the shock absorbing mechanism of the present invention.
In the figure: 100 induced draft fans, 110 induced draft fan main bodies, 120 rotating shafts, 130 driving motors, 140 limiting planes, 200 damping mechanisms, 210 bases, 220 spring damping seats, 230 supports, 240 shaft sleeves and 250 limiting screws.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a shock absorption type draught fan, which can adjust the direction of an air outlet pipeline of the draught fan while shock absorption protection is carried out on the draught fan, so that the air outlet pipeline of the draught fan and an external pipeline can be conveniently installed and connected in different forms, the installation application range of the draught fan is improved, and please refer to fig. 1-3, and the shock absorption type draught fan comprises the following components: draught fan 100 and damper 200.
Draught fan 100 includes draught fan main part 110, pivot 120, driving motor 130 and spacing plane 140, draught fan main part 110 both sides set up pivot 120, driving motor 130 is connected to one side pivot lateral wall, opposite side pivot 120 outer wall sets up evenly distributed's spacing plane 140, pivot 120 is the hollow shaft, the hollow play is used for ventilating, the inside hollow position of pivot 120 of spacing plane 140 department is provided with the dust screen, the hollow portion that driving motor 130's actuating lever passed opposite side pivot 120 is connected with the flabellum in draught fan main part 110, pivot 120 is used for connecting axle sleeve 240, make draught fan main part 110 can pass through pivot 120 at axle sleeve 240 internal rotation, adjust draught fan main part 110 and go out the direction of tuber pipe.
The damping mechanism 200 is connected to the rotating shaft 120, the damping mechanism 200 includes a base 210, spring damping seats 220, a support 230, a shaft sleeve 240 and a limit screw 250, the spring damping seats 220 are respectively arranged on the left and right sides of the top of the base 210, the support 230 is arranged on the top of the spring damping seat 220, the shaft sleeves 240 corresponding to the rotating shaft 120 are respectively connected to the tops of the support 230 on both sides, the limit screw 250 is connected to the shaft sleeve 240 corresponding to the limit plane 140, the shaft sleeve 240 is fixed on the support 230, the rotating shaft 120 of the induced draft fan main body 110 is installed in the shaft sleeve 240, the induced draft fan 100 is supported in a buffering way through the spring shock absorption seat 220, the effect of shock absorption and protection is achieved, the rotating shaft 120 of the induced draft fan main body 110 rotates on the shaft sleeve 240, the direction of an air outlet pipe of the induced draft fan main body 110 is adjusted, after the adjustment is completed, the limit screw 250 is screwed down, and the inner end of the limit screw 250 is propped against the limit plane 140, so that the rotation shaft 120 is prevented from moving, and the connection stability is improved.
The bottom of the base 210 is provided with uniformly distributed rollers, and the rollers adopt self-locking casters to facilitate movement of the induced draft fan 100.
The limiting plane 140 is provided with a clamping groove corresponding to the limiting screw 250, and the limiting screw 250 is inserted into the clamping groove, so that the limiting stability is improved.
The outer end of the limit screw 250 is provided with a rotating wheel, and the rotating wheel is provided with an anti-slip sleeve, so that the limit screw 250 can be conveniently rotated. When specific use, cushion through spring damper 220 and support draught fan 100, play the effect of shock attenuation protection, the pivot 120 of draught fan main part 110 rotates at axle sleeve 240, adjusts the direction that draught fan main part 110 goes out the tuber pipe, adjusts after accomplishing, screws up stop screw 250, and stop screw 250 inner supports spacing plane 140, avoids the pivot 120 activity, improves connection stability.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a shock attenuation formula draught fan which characterized in that includes:
the induced draft fan (100) comprises an induced draft fan main body (110), rotating shafts (120), a driving motor (130) and limiting planes (140), wherein the rotating shafts (120) are arranged on two sides of the induced draft fan main body (110), the side wall of each rotating shaft is connected with the driving motor (130), and the limiting planes (140) which are uniformly distributed are arranged on the outer wall of the rotating shaft (120) on the other side;
damper (200), connect in pivot (120), damper (200) are including base (210), spring damper (220), support (230), axle sleeve (240) and stop screw (250), base (210) top left and right sides all sets up spring damper (220), spring damper (220) top sets up support (230), both sides axle sleeve (240) that correspond with pivot (120) are all connected at support (230) top, stop screw (250) are connected on axle sleeve (240) that correspond with stop plane (140).
2. The shock absorption type induced draft fan according to claim 1, wherein the rotating shaft (120) is a hollow shaft, a dust screen is arranged in the rotating shaft (120) at the position of the limiting plane (140), and a driving rod of the driving motor (130) penetrates through the hollow part of the rotating shaft (120) to be connected with fan blades in the induced draft fan main body (110).
3. The shock-absorbing induced draft fan according to claim 1, wherein the bottom of the base (210) is provided with uniformly distributed rollers, and the rollers are self-locking casters.
4. The shock absorption type induced draft fan according to claim 1, wherein a clamping groove corresponding to the limiting screw rod (250) is formed on the limiting plane (140).
5. The damping type induced draft fan according to claim 1, wherein a rotating wheel is arranged at the outer end of the limit screw (250), and an anti-skid sleeve is arranged on the rotating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122857694.9U CN216666039U (en) | 2021-11-22 | 2021-11-22 | Shock attenuation formula draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122857694.9U CN216666039U (en) | 2021-11-22 | 2021-11-22 | Shock attenuation formula draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216666039U true CN216666039U (en) | 2022-06-03 |
Family
ID=81785212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122857694.9U Expired - Fee Related CN216666039U (en) | 2021-11-22 | 2021-11-22 | Shock attenuation formula draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216666039U (en) |
-
2021
- 2021-11-22 CN CN202122857694.9U patent/CN216666039U/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: 20220603 |