CN216111938U - Vibration damping base of centrifugal fan - Google Patents
Vibration damping base of centrifugal fan Download PDFInfo
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- CN216111938U CN216111938U CN202122508680.6U CN202122508680U CN216111938U CN 216111938 U CN216111938 U CN 216111938U CN 202122508680 U CN202122508680 U CN 202122508680U CN 216111938 U CN216111938 U CN 216111938U
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- centrifugal fan
- spring
- fly leaf
- vibration damping
- mounting
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- 238000013016 damping Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of centrifugal fan and specifically relates to a vibration damping mount of centrifugal fan is related to, including supporting seat and mounting panel, the installation cavity has been seted up on the supporting seat roof, be provided with damping device in the installation cavity, the mounting panel passes through damping device set up in the installation cavity, damping device includes fly leaf, buffer gear and elastic support mechanism, the fly leaf set up in between mounting panel and the installation cavity diapire, elastic support mechanism connects between fly leaf and the installation cavity diapire, buffer gear connects between fly leaf and the mounting panel. The potential safety hazard when reducible centrifugal fan of this application uses.
Description
Technical Field
The application relates to the field of centrifugal fans, in particular to a damping base of a centrifugal fan.
Background
Centrifugal fan relies on the mechanical energy of input, improves gas pressure and discharges the machinery of gas, and centrifugal fan has widely used in the ventilation and the dust exhaust in various places at present, because centrifugal fan during operation bellows vortex pulsation can cause vibrations, in order to make the better fixed operation of centrifugal fan, often can fix centrifugal fan on the base.
Chinese utility model patent document with application number 201821688197.2 discloses a centrifugal fan base, including the lower base plate, still be provided with the upper plate seat on the lower base plate, be connected through a plurality of support columns between upper plate seat and the lower base plate, still be provided with rectangle form fan standing groove on the upper plate seat, still be provided with a plurality of fixing hole on the bottom surface of rectangle form fan standing groove. When the centrifugal fan is installed, the centrifugal fan is fixed in the rectangular fan placing groove on the upper base plate seat, and the centrifugal fan is fixed on the upper base plate through the matching of the bolts, the connecting pieces and the fixing through holes.
To the correlation technique among the above-mentioned, the inventor thinks that continuous vibrations easily lead to fixed centrifugal fan and the connecting piece of last bed plate to take place to become flexible, has the potential safety hazard.
Disclosure of Invention
In order to reduce the potential safety hazard when centrifugal fan uses, this application provides a centrifugal fan's vibration damping mount.
The application provides a vibration damping mount of centrifugal fan adopts following technical scheme:
the utility model provides a vibration damping mount of centrifugal fan, includes supporting seat and mounting panel, the installation cavity has been seted up on the supporting seat roof, be provided with damping device in the installation cavity, the mounting panel passes through damping device set up in the installation cavity, damping device includes fly leaf, buffer gear and elastic support mechanism, the fly leaf set up in between mounting panel and the installation cavity diapire, elastic support mechanism connects between fly leaf and the installation cavity diapire, buffer gear connects between fly leaf and the mounting panel.
By adopting the technical scheme, the centrifugal fan is arranged on the mounting plate through the connecting piece, and vibration generated by the work of the centrifugal fan is sequentially transmitted to the mounting plate, the buffer mechanism, the movable plate and the elastic support mechanism; the buffer mechanism plays a primary shock absorption effect on the centrifugal fan, and meanwhile, the elastic support mechanism elastically supports the movable plate and further performs buffer shock absorption on the centrifugal fan; through the common cooperation of the buffer mechanism and the elastic support mechanism, the centrifugal fan and the connecting piece on the mounting plate can move at the same frequency, the vibration amplitude of the centrifugal fan is reduced, the condition that the connecting piece is loosened due to the vibration of the centrifugal fan is favorably reduced, and the potential safety hazard of the centrifugal fan during working is reduced.
Optionally, the buffer mechanism comprises a buffer, one end of the buffer is connected with the bottom wall of the mounting plate, and the other end of the buffer is connected with the top wall of the movable plate.
Through adopting above-mentioned technical scheme, the buffer can absorb the energy that produces when centrifugal fan work shakes, and then reduces the vibrations range of centrifugal fan during operation, helps reducing the influence that centrifugal fan vibrations caused the connecting piece.
Optionally, the buffer mechanism further comprises a first spring, one end of the first spring is connected with the bottom wall of the mounting plate, and the other end of the first spring is connected with the top wall of the movable plate.
By adopting the technical scheme, on one hand, the spring is simple in structure and strong in durability, and is beneficial to saving the cost; on the other hand, the first spring can carry out elastic support to the mounting panel, helps strengthening the stability that mounting panel and fly leaf are connected.
Optionally, wear to be equipped with the direction telescopic link in the first spring, direction telescopic link one end with the mounting panel diapire is connected, the other end with the fly leaf roof is connected.
Through adopting above-mentioned technical scheme, the direction telescopic link helps reducing the possibility that takes place to buckle when first spring compression, has further strengthened the stability that mounting panel and fly leaf are connected.
Optionally, the elastic support mechanism includes two sets of movable supporting components and a second spring that interval and symmetry set up, movable supporting component includes slider and movable rod, the slider slide set up in on the installation cavity diapire, movable rod one end is articulated with the slider, the other end with the fly leaf diapire is articulated, just the movable rod slope sets up, the second spring both ends are connected respectively two on the slider.
By adopting the technical scheme, in the working process of the centrifugal fan, the centrifugal fan vibrates to drive the movable plate to move, the movable plate extrudes the movable rod, the movable rod pushes the sliding block to slide on the bottom wall of the mounting cavity, and the second spring further deforms between the sliding blocks to generate elasticity for the sliding block to pull the sliding block; through the cooperation of activity supporting component and second spring, carry out elastic support to the fly leaf, not only promoted the steadiness of fly leaf, further reduced the vibration range of fly leaf moreover, the centrifugal fan's of being convenient for shock attenuation.
Optionally, the elastic supporting mechanism is a rubber column, one end of the rubber column is connected with the bottom wall of the installation cavity, and the other end of the rubber column is connected with the bottom wall of the movable plate.
Through adopting above-mentioned technical scheme, the rubber column has better elasticity, is convenient for support the fly leaf elastic property.
Optionally, a plurality of caulking grooves are formed in the side wall of the mounting plate, and balls are movably embedded in the caulking grooves.
Through adopting above-mentioned technical scheme, ball and installation cavity lateral wall butt help the mounting panel to move about in the installation cavity.
Optionally, a third spring in a compressed state is arranged in the caulking groove, and the ball is pressed against the rabbet of the caulking groove by the third spring.
Through adopting above-mentioned technical scheme, when centrifugal fan work produced irregular vibrations, the third spring ball and installation cavity lateral wall adaptability butt of being convenient for can absorb the energy that produces when centrifugal fan shakes, and then the influence that produces the connecting piece on the mounting panel when reducing centrifugal fan vibrations.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the buffer mechanism plays a primary shock absorption effect on the centrifugal fan, and meanwhile, the elastic support mechanism elastically supports the movable plate and further performs buffer shock absorption on the centrifugal fan; through the cooperation of the buffer mechanism and the elastic support mechanism, the centrifugal fan and the connecting piece on the mounting plate can move at the same frequency, the vibration amplitude of the centrifugal fan is reduced, the occurrence of the condition that the connecting piece is loosened due to the vibration of the centrifugal fan is facilitated to be reduced, and further the potential safety hazard of the centrifugal fan during working is reduced;
2. the buffer can absorb the energy generated when the centrifugal fan works and shakes, so that the vibration amplitude of the centrifugal fan during working is reduced, and the influence of the centrifugal fan shaking on the connecting piece is favorably reduced;
3. the centrifugal fan vibrates to drive the movable plate to move, the movable plate extrudes the movable rod, the movable rod pushes the sliding block to slide on the bottom wall of the installation cavity, and the second spring is further deformed between the sliding blocks to generate elasticity for the sliding block to pull the sliding block; through the cooperation of activity supporting component and second spring, carry out elastic support to the fly leaf, not only promoted the steadiness of fly leaf, further reduced the vibration range of fly leaf moreover, the centrifugal fan's of being convenient for shock attenuation.
Drawings
Fig. 1 is an overall structural schematic diagram of a vibration damping mount of a centrifugal fan in an embodiment of the present application in a use state.
Fig. 2 is a schematic cross-sectional view of a damper base of a centrifugal fan according to an embodiment of the present application.
Fig. 3 is an exploded view of the mounting plate of fig. 2.
Fig. 4 is a schematic cross-sectional view of a damper base of a centrifugal fan in the second embodiment of the present application.
Reference numerals: 1. a supporting seat; 11. a mounting cavity; 111. a chute; 2. mounting a plate; 21. caulking grooves; 211. a ball bearing; 212. a third spring; 3. a damping device; 31. a movable plate; 32. a buffer mechanism; 321. a buffer; 322. a first spring; 323. guiding the telescopic rod; 33. an elastic support mechanism; 331. a second spring; 332. a movable support assembly; 3321. a slider; 3322. a movable rod; 333. a rubber column; 4. a centrifugal fan.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example one
The embodiment of the application discloses centrifugal fan's vibration damping mount. Referring to fig. 1 and 2, the damping base of the centrifugal fan comprises a supporting seat 1, a mounting plate 2 and a damping device 3, wherein a mounting cavity 11 is formed in the top wall of the supporting seat 1, and the mounting plate 2 is arranged in the mounting cavity 11 through the damping device 3; the damping device 3 comprises a movable plate 31, a buffer mechanism 32 and an elastic support mechanism 33, the movable plate 31 is arranged on the bottom wall of the installation cavity 11 through the elastic support mechanism 33, and the installation plate 2 is arranged on the movable plate 31 through the buffer mechanism 32; the centrifugal fan 4 is fixed on the top wall of the mounting plate 2 through bolts.
Referring to fig. 2, the damper mechanism 32 includes a damper 321 and four first springs 322; the buffer 321 is installed at the center of the movable plate 31, one end of the buffer 321 is welded with the bottom wall of the mounting plate 2, and the other end is welded with the top wall of the movable plate 31; in this embodiment, the buffer 321 is a spring buffer, and in other embodiments, the buffer 321 may also be a hydraulic buffer, a damper, or the like, which can achieve a buffering effect; the four first springs 322 are respectively arranged at four corners of the movable plate 31, the axes of the four first springs 322 are all arranged along the height direction of the supporting seat 1, the top ends of the first springs 322 are welded with the bottom wall of the mounting plate 2, and the bottom ends of the first springs are welded with the top wall of the movable plate 31; each first spring 322 is internally and correspondingly provided with a guiding telescopic rod 323 in a penetrating way, the top end of the guiding telescopic rod 323 is welded with the bottom wall of the mounting plate 2, and the bottom end of the guiding telescopic rod 323 is welded with the top wall of the movable plate 31.
Referring to fig. 2, the elastic support mechanism 33 includes a second spring 331 and two sets of movable support assemblies 332 symmetrically disposed, each movable support assembly 332 includes a sliding block 3321 and a movable rod 3322, a sliding groove 111 for the sliding block 3321 to slide is formed in the bottom wall of the installation cavity 11, the sliding groove 111 is disposed along the length direction of the support base 1, and the sliding block 3321 is slidably engaged in the sliding groove 111; one end of the movable rod 3322 is hinged to the bottom wall of the movable plate 31, the other end of the movable rod 3322 is hinged to the sliding block 3321, and the two hinge shafts are parallel and perpendicular to the length direction of the sliding chute 111; two ends of the second spring 331 are respectively welded to the opposite side walls of the two sliding blocks 3321, in this embodiment, the two movable rods 3322 are disposed in a splayed shape, that is, the distance between the ends close to the movable plate 31 is smaller than the distance between the ends far away from the movable plate 31, and the second spring 331 is in a stretched state; in other embodiments, the two movable rods 3322 may also be disposed in an inverted-splayed shape, that is, the distance between the ends close to the movable plate 31 is greater than the distance between the ends far from the movable plate 31, and the second spring 331 is in a contracted state.
Referring to fig. 3, two caulking grooves 21 are formed in each side wall of the circumferential side of the mounting plate 2, a ball 211 and a third spring 212 are arranged in each caulking groove 21, the third spring 212 is welded in each caulking groove 21, one side of the ball 211 is abutted to one end, far away from the caulking groove 21, of the third spring 212, the other side of the ball 211 penetrates through the caulking groove 21 and is abutted to the side wall of the mounting cavity 11, and the ball 211 is elastically supported by the third spring 212, so that the ball 211 is abutted to the side wall of the mounting cavity 11 in an adaptive manner.
The implementation principle of the damping base of the centrifugal fan in the embodiment of the application is as follows: when the centrifugal fan 4 works to generate vibration, the centrifugal fan 4 drives the mounting plate 2 to move up and down on the side wall of the mounting cavity 11, the buffer 321 performs primary buffering and damping on the mounting plate 2, and the four first springs 322 and the corresponding guide telescopic rods 323 perform elastic support on the mounting plate 2; the buffer 321 also moves up and down along with the vibration of the mounting plate 2, and simultaneously drives the movable plate 31 to move up and down, when the movable plate 31 moves down, the movable plate 31 presses the movable rod 3322 to move towards two sides of the movable plate 31, the movable rod 3322 pushes the corresponding sliding block 3321 to move at two ends of the bottom wall of the mounting cavity 11, and simultaneously the sliding block 3321 drives the second spring 331 to stretch towards two ends of the mounting cavity 11, so as to elastically support the movable plate 31, and further to absorb shock for the centrifugal fan 4.
Example two
Referring to fig. 4, the present embodiment is different from the first embodiment in that the elastic supporting mechanism 33 is a rubber column 333, one end of the rubber column 333 is bonded to the top wall of the mounting cavity 11, and the other end is bonded to the bottom wall of the movable plate 31.
The implementation principle of the embodiment of the present application is different from that of the first embodiment in that: when the movable plate 31 moves downward, the movable plate 31 presses the rubber column 333, the rubber column 333 deforms accordingly, and the rubber column 333 elastically supports the movable plate 31, thereby providing a further damping effect to the centrifugal fan 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a centrifugal fan's vibration damping mount, includes supporting seat (1) and mounting panel (2), its characterized in that: the mounting chamber (11) has been seted up on supporting seat (1) roof, be provided with damping device (3) in mounting chamber (11), mounting panel (2) pass through damping device (3) set up in mounting chamber (11), damping device (3) include fly leaf (31), buffer gear (32) and elastic support mechanism (33), fly leaf (31) set up in between mounting panel (2) and mounting chamber (11) diapire, elastic support mechanism (33) are connected between fly leaf (31) and mounting chamber (11) diapire, buffer gear (32) are connected between fly leaf (31) and mounting panel (2).
2. The vibration damping mount of a centrifugal fan according to claim 1, characterized in that: buffer gear (32) include buffer (321), buffer (321) one end with mounting panel (2) diapire is connected, the other end with fly leaf (31) roof is connected.
3. The vibration damping mount of a centrifugal fan according to claim 1, characterized in that: the buffer mechanism (32) further comprises a first spring (322), one end of the first spring (322) is connected with the bottom wall of the mounting plate (2), and the other end of the first spring (322) is connected with the top wall of the movable plate (31).
4. The vibration damping mount of a centrifugal fan according to claim 3, characterized in that: a guiding telescopic rod (323) penetrates through the first spring (322), one end of the guiding telescopic rod (323) is connected with the bottom wall of the mounting plate (2), and the other end of the guiding telescopic rod is connected with the top wall of the movable plate (31).
5. The vibration damping mount of a centrifugal fan according to claim 1, characterized in that: elastic support mechanism (33) include two sets of intervals and the movable support subassembly (332) and a second spring (331) that the symmetry set up, movable support subassembly (332) include slider (3321) and movable rod (3322), slider (3321) slide set up in on installation cavity (11) diapire, movable rod (3322) one end is articulated with slider (3321), the other end with fly leaf (31) diapire is articulated, just movable rod (3322) slope sets up, second spring (331) both ends are connected respectively two on slider (3321).
6. The vibration damping mount of a centrifugal fan according to claim 1, characterized in that: the elastic supporting mechanism (33) is arranged to be a rubber column (333), one end of the rubber column (333) is connected with the bottom wall of the installation cavity (11), and the other end of the rubber column (333) is connected with the bottom wall of the movable plate (31).
7. The vibration damping mount of a centrifugal fan according to claim 1, characterized in that: a plurality of caulking grooves (21) are formed in the side wall of the mounting plate (2), and balls (211) are movably embedded in the caulking grooves (21).
8. The vibration damping mount for a centrifugal fan according to claim 7, wherein: a third spring (212) in a compressed state is arranged in the caulking groove (21), and the ball (211) is pressed at the notch of the caulking groove (21) by the third spring (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508680.6U CN216111938U (en) | 2021-10-18 | 2021-10-18 | Vibration damping base of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508680.6U CN216111938U (en) | 2021-10-18 | 2021-10-18 | Vibration damping base of centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111938U true CN216111938U (en) | 2022-03-22 |
Family
ID=80693712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122508680.6U Expired - Fee Related CN216111938U (en) | 2021-10-18 | 2021-10-18 | Vibration damping base of centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111938U (en) |
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2021
- 2021-10-18 CN CN202122508680.6U patent/CN216111938U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |