CN216077673U - Shock-absorbing noise-reducing mechanism for civil air defense mixed flow fan - Google Patents
Shock-absorbing noise-reducing mechanism for civil air defense mixed flow fan Download PDFInfo
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- CN216077673U CN216077673U CN202122664103.6U CN202122664103U CN216077673U CN 216077673 U CN216077673 U CN 216077673U CN 202122664103 U CN202122664103 U CN 202122664103U CN 216077673 U CN216077673 U CN 216077673U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000007123 defense Effects 0.000 title claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 47
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 36
- 230000009467 reduction Effects 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of ventilation equipment, and particularly discloses a shock absorption and noise reduction mechanism for a civil air defense mixed flow fan, which comprises a fan shell, a driving motor, a shock absorption mechanism and a noise reduction mechanism; the damping mechanism comprises a fixed base for mounting the driving motor and a mounting base fixed at the bottom of the fan shell; the noise reduction mechanism comprises a noise reduction plate sleeved in the fan shell, the noise reduction plate is of a cylindrical structure and is attached to the inner wall of the fan shell. The damping and noise-reducing mechanism mainly comprises a damping mechanism and a noise-reducing mechanism, wherein the noise-reducing mechanism mainly comprises a noise-reducing plate arranged on the inner wall of the fan shell, so that the noise-reducing plate can reduce the noise in the fan shell; wherein, damper is provided with two sets ofly altogether, installs respectively on driving motor and on the fan casing, makes it not only can carry out shock attenuation work to driving motor, can carry out shock attenuation work to this fan whole moreover, the stability of this people's air defense mixed flow fan of effectual improvement.
Description
Technical Field
The utility model relates to the technical field of ventilation equipment, in particular to a damping and noise reducing mechanism for an anti-man mixed flow fan.
Background
At mixed flow fan during operation, drive the impeller through the motor and rotate to produce wind-force, produce noise pollution easily when wind-force is great, mixed flow motor is at the in-process that uses moreover, can't avoid producing vibrations, and long-term vibrations can lead to the each connection position of mixed flow fan not hard up phenomenon to appear, both can produce certain noise, lead to the life of fan equipment low easily moreover, and influence normal use, consequently need improve it.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a damping and noise-reducing mechanism for a civil air defense mixed flow fan, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the shock absorption and noise reduction mechanism for the civil air defense mixed flow fan comprises a fan shell, a driving motor, a shock absorption mechanism and a noise reduction mechanism; the damping mechanism comprises a fixed base used for installing a driving motor, one surface of the fixed base, which is close to the driving motor, is provided with a fixed groove matched with the structure of the driving motor, a plurality of elastic support columns are arranged on the surface of the fixed groove at intervals, and one ends, which are far away from the fixed groove, of the elastic support columns are connected with the outer wall of the driving motor; the damping mechanism further comprises a mounting base fixed at the bottom of the fan shell, a mounting groove matched with the fan shell structure is formed in the top end of the mounting base, limiting slide rods are arranged on the left side and the right side of the top end of the mounting base, and damping support legs are arranged on the left side and the right side of the bottom end of the mounting base; the noise reduction mechanism comprises a noise reduction plate sleeved in the fan shell, the noise reduction plate is of a cylindrical structure and is attached to the inner wall of the fan shell.
Preferably, the fixed bases are provided with at least four groups, and the four groups of fixed bases are respectively arranged at the upper end, the lower end, the left end and the right end of the driving motor.
Preferably, one end, far away from the driving motor, of the fixing base is fixed on the fan shell through a supporting arm, one end, close to the fan shell, of the supporting arm is provided with a positioning piece matched with the structure of the fan shell, and the positioning piece is fixedly arranged on the inner wall of the fan shell.
Preferably, the elastic support column is of a T-shaped structure, an elastic sliding groove matched with the elastic support column structure is formed in the position, corresponding to the elastic support column, of the fixing groove, and the elastic support column is fixedly connected with the inner wall of the elastic sliding groove through a connecting spring.
Preferably, the bottom of the mounting base is provided with a grounding base, and the grounding base is provided with a damping sliding cavity for the mounting base to slide up and down.
Preferably, a limiting sliding groove for enabling the limiting sliding rod to slide up and down is formed in the position, corresponding to the limiting sliding rod, of the grounding base, a vertical guide rod is fixedly arranged inside the limiting sliding groove, penetrates through the limiting sliding rod and is connected with the limiting sliding rod in a sliding mode up and down.
Preferably, a damping sliding cylinder is arranged at a position of the grounding base corresponding to the damping support leg, and a damping sliding chute for the damping support leg to slide up and down is formed in the damping sliding cylinder.
Preferably, a plurality of groups of damping springs are installed at the bottom of the grounding base at intervals, and a return spring is sleeved on the vertical guide rod.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a damping and noise-reducing mechanism for a civil air defense mixed flow fan, which mainly comprises a damping mechanism and a noise-reducing mechanism, wherein the noise-reducing mechanism mainly comprises a noise-reducing plate arranged on the inner wall of a fan shell, so that the noise-reducing plate can reduce the noise in the fan shell; wherein, damper is provided with two sets ofly altogether, installs respectively on driving motor and on the fan casing, makes it not only can carry out shock attenuation work to driving motor, can carry out shock attenuation work to this fan whole moreover, the stability of this people's air defense mixed flow fan of effectual improvement.
Drawings
FIG. 1 is a front view of the drive motor mounting of the present invention;
FIG. 2 is a side view of the drive motor mounting of the present invention;
FIG. 3 is a schematic structural diagram of a fixing base according to the present invention;
fig. 4 is a schematic view of the mounting structure of the fan housing of the present invention.
In the figure: 1. a fan housing; 2. a drive motor; 3. a fixed base; 4. fixing grooves; 5. an elastic support column; 6. mounting a base; 7. mounting grooves; 8. a limiting slide bar; 9. shock absorption support legs; 10. a sound-absorbing panel; 11. a support arm; 12. positioning plates; 13. an elastic chute; 14. a connecting spring; 15. a ground base; 16. a vertical guide rod; 17. a shock-absorbing slide cylinder; 18. a damping spring; 19. a return spring; 20. shock attenuation spout.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: the damping and noise-reducing mechanism for the civil air defense mixed flow fan comprises a fan shell 1, a driving motor 2, a damping mechanism and a noise-reducing mechanism; the damping mechanism comprises a fixed base 3 for mounting the driving motor 2, one surface of the fixed base 3, which is close to the driving motor 2, is provided with a fixed groove 4 matched with the structure of the driving motor 2, a plurality of elastic support columns 5 are arranged on the surface of the fixed groove 4 at intervals, and one ends of the elastic support columns 5, which are far away from the fixed groove 4, are connected with the outer wall of the driving motor 2; the damping mechanism further comprises a mounting base 6 fixed at the bottom of the fan shell 1, a mounting groove 7 matched with the structure of the fan shell 1 is formed in the top end of the mounting base 6, limiting slide rods 8 are arranged on the left side and the right side of the top end of the mounting base 6, and damping support legs 9 are arranged on the left side and the right side of the bottom end of the mounting base 6; noise reduction mechanism is including the acoustical panel 10 of cover establishing in fan casing 1 inside, and acoustical panel 10 is the tubular structure, and the inner wall setting of acoustical panel 10 laminating fan casing 1.
Further, the fixed bases 3 are provided with at least four groups, and the four groups of fixed bases 3 are respectively arranged at the upper end, the lower end, the left end and the right end of the driving motor 2.
Furthermore, one end, far away from the driving motor 2, of the fixing base 3 is fixed on the fan shell 1 through a supporting arm 11, one end, close to the fan shell 1, of the supporting arm 11 is provided with a positioning sheet 12 matched with the structure of the fan shell 1, and the positioning sheet 12 is fixedly arranged on the inner wall of the fan shell 1.
Furthermore, the elastic support column 5 is of a T-shaped structure, an elastic sliding groove 13 matched with the elastic support column 5 in structure is formed in the position, corresponding to the elastic support column 5, of the fixing groove 4, and the elastic support column 5 is fixedly connected with the inner wall of the elastic sliding groove 13 through a connecting spring 14.
Further, the bottom of the mounting base 6 is provided with a grounding base 15, and the grounding base 15 is provided with a damping sliding cavity for the mounting base 6 to slide up and down.
Furthermore, a limiting sliding groove for the limiting sliding rod 8 to slide up and down is formed in the position, corresponding to the limiting sliding rod 8, of the grounding base 15, a vertical guide rod 16 is fixedly arranged inside the limiting sliding groove, and the vertical guide rod 16 penetrates through the limiting sliding rod 8 and is connected with the limiting sliding rod 8 in a sliding mode.
Furthermore, a damping sliding cylinder 17 is arranged at a position of the grounding base 15 corresponding to the damping support leg 9, and a damping sliding chute 20 for the damping support leg 9 to slide up and down is arranged inside the damping sliding cylinder 17.
Furthermore, a plurality of groups of damping springs 18 are installed at the bottom of the grounding base 15 at intervals, and a return spring 19 is sleeved on the vertical guide rod 16.
The working principle is as follows: when the fan is actually installed, the driving motor 2 is installed on the inner side of the silencing plate 10, so that the noise reduction effect on most of noise in the fan shell 1 can be achieved; mounting base 6 installs around driving motor 2, hold in the palm the effect that post 5 played the bearing to driving motor 2's outer wall through elasticity, make it can take place to rock at the in-process of driving motor 2 work when, driving motor 2 holds in the palm post 5 to the elasticity in the certain direction in its outside and produces certain extrusion force, lead to elasticity to hold in the palm post 5 and remove to elastic sliding groove 13, play absorbing effect to driving motor 2 under connecting spring 14's effect, reduce driving motor 2's self and rock.
The fan shell 1 is installed in an installation groove 7 on an installation base 6 during actual installation, so that when the whole fan shakes, a certain extrusion force is generated on the installation base 6 at the bottom of the fan shell, and limiting slide rods 8 on the left side and the right side of the top end of the installation base 6 slide on a vertical guide rod 16 on a grounding base 15 under the action of a return spring 19; meanwhile, under the action of the damping spring 18 at the bottom of the mounting base 6, the damping support legs 9 at the left side and the right side of the bottom of the mounting base 6 move up and down in the damping sliding grooves 20 on the damping sliding barrel 17, so that the whole damping effect on the fan is achieved, and the auxiliary noise reduction effect on the fan is achieved.
It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Shock attenuation and noise reduction mechanism for people's air defense mixed flow fan, its characterized in that: the damping device comprises a fan shell (1), a driving motor (2), a damping mechanism and a noise reduction mechanism; the damping mechanism comprises a fixed base (3) used for installing a driving motor (2), one surface, close to the driving motor (2), of the fixed base (3) is provided with a fixed groove (4) matched with the structure of the driving motor (2), a plurality of elastic support columns (5) are arranged on the surface of the fixed groove (4) at intervals, and one ends, far away from the fixed groove (4), of the elastic support columns (5) are connected with the outer wall of the driving motor (2); the damping mechanism further comprises a mounting base (6) fixed at the bottom of the fan shell (1), a mounting groove (7) matched with the structure of the fan shell (1) is formed in the top end of the mounting base (6), limiting slide rods (8) are arranged on the left side and the right side of the top end of the mounting base (6), and damping support legs (9) are arranged on the left side and the right side of the bottom end of the mounting base (6); the noise reduction mechanism comprises a noise reduction plate (10) sleeved inside the fan shell (1), the noise reduction plate (10) is of a cylindrical structure, and the noise reduction plate (10) is attached to the inner wall of the fan shell (1).
2. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 1, characterized in that: the fixed bases (3) are provided with at least four groups, and the four groups of fixed bases (3) are respectively arranged at the upper end, the lower end, the left end and the right end of the driving motor (2).
3. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 1, characterized in that: one end, far away from the driving motor (2), of the fixing base (3) is fixed to the fan shell (1) through a supporting arm (11), one end, close to the fan shell (1), of the supporting arm (11) is provided with a positioning piece (12) matched with the structure of the fan shell (1), and the positioning piece (12) is fixedly arranged on the inner wall of the fan shell (1).
4. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 1, characterized in that: the elastic support column (5) is of a T-shaped structure, an elastic sliding groove (13) matched with the elastic support column (5) in structure is formed in the position, corresponding to the elastic support column (5), of the fixing groove (4), and the elastic support column (5) is fixedly connected with the inner wall of the elastic sliding groove (13) through a connecting spring (14).
5. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 1, characterized in that: the bottom of the mounting base (6) is provided with a grounding base (15), and the grounding base (15) is provided with a damping sliding cavity for the mounting base (6) to slide up and down.
6. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 5, characterized in that: the ground base (15) is provided with a limiting sliding groove for the limiting sliding rod (8) to slide up and down on the position corresponding to the limiting sliding rod (8), a vertical guide rod (16) is fixedly arranged inside the limiting sliding groove, and the vertical guide rod (16) penetrates through the limiting sliding rod (8) and is connected with the limiting sliding rod (8) in a sliding mode up and down.
7. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 5, characterized in that: the ground base (15) is provided with a damping sliding cylinder (17) at a position corresponding to the damping support leg (9), and a damping sliding chute (20) for the damping support leg (9) to slide up and down is formed in the damping sliding cylinder (17).
8. The shock-absorbing and noise-reducing mechanism for the civil air defense mixed flow fan according to claim 5, characterized in that: a plurality of groups of damping springs (18) are installed at the bottom of the grounding base (15) at intervals, and a return spring (19) is sleeved on the vertical guide rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664103.6U CN216077673U (en) | 2021-11-02 | 2021-11-02 | Shock-absorbing noise-reducing mechanism for civil air defense mixed flow fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664103.6U CN216077673U (en) | 2021-11-02 | 2021-11-02 | Shock-absorbing noise-reducing mechanism for civil air defense mixed flow fan |
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| CN216077673U true CN216077673U (en) | 2022-03-18 |
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| CN202122664103.6U Active CN216077673U (en) | 2021-11-02 | 2021-11-02 | Shock-absorbing noise-reducing mechanism for civil air defense mixed flow fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585024A (en) * | 2022-07-19 | 2023-01-10 | 华电内蒙古能源有限公司包头发电分公司 | Integrated sound insulation device of turbonator |
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2021
- 2021-11-02 CN CN202122664103.6U patent/CN216077673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585024A (en) * | 2022-07-19 | 2023-01-10 | 华电内蒙古能源有限公司包头发电分公司 | Integrated sound insulation device of turbonator |
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