CN212615638U

CN212615638U - Spring-suspended damper for noise reduction of fan

Info

Publication number: CN212615638U
Application number: CN202021034521.6U
Authority: CN
Inventors: 靳超; 郑健
Original assignee: Ningbo Longtai Telecommunication And Electrical Machinery Co ltd
Current assignee: Ningbo Longtai Telecommunication And Electrical Machinery Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-26
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a spring shock attenuation technical field just discloses a fan is fallen and use spring hanger formula bumper shock absorber, the female joint comprises a sleeve, telescopic upper portion fixed mounting has mounting panel one, the perforation has been seted up to telescopic bottom, telescopic inside movable mounting has the pull rod, the upper portion fixed mounting of pull rod has the damping piece, the below activity of damping piece has cup jointed shock attenuation cover one, the outside fixedly connected with spring one of shock attenuation cover one. This fan is fallen and make an uproar and hang formula bumper shock absorber with spring, through having baffle one at telescopic upper portion fixed mounting to pass through bolt, nut one, nut two and baffle two with baffle one through fixed connection, be convenient for adjust according to the bolt, nut one, the interval between two pairs of baffle one and the baffle two of nut, thereby utilize the activity upper limit of a pair of damping piece of baffle and shock attenuation cover one to adjust, be convenient for change the elasticity of main spring, thereby change the absorption value of main spring to external vibrations.

Description

Spring-suspended damper for noise reduction of fan

Technical Field

The utility model relates to a spring shock attenuation technical field specifically is a fan is fallen and make an uproar and hang formula bumper shock absorber with spring.

Background

The spring suspension type shock absorber is often applied to fixed structures of hoisting equipment such as a suspension type air conditioner, a discharge and supply fan, an axial flow fan, a pipeline and the like, has large damping, low natural vibration frequency and convenient installation, and also has obvious effect on eliminating solid sound transmission.

But traditional spring hanger formula bumper shock absorber can only eliminate and slow down and come from the vibration of the vertical direction of lifting device, can't eliminate and slow down its vibration that comes from the horizontal direction, can't reach optimum shock attenuation effect, and traditional spring hanger formula bumper shock absorber can't change the elasticity of main spring according to the demand, can't satisfy the demand of different devices to elasticity size.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fan is fallen and use spring hanger formula bumper shock absorber possesses the advantage that spring force can change, can slow down diversified vibration, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: a spring hanging type shock absorber for reducing noise of a fan comprises a sleeve, wherein a first mounting plate is fixedly mounted at the upper part of the sleeve, the bottom of the sleeve is provided with a through hole, the interior of the sleeve is movably provided with a pull rod, the upper part of the pull rod is fixedly provided with a damping block, a first damping sleeve is movably sleeved below the damping block, a first spring is fixedly connected outside the first damping sleeve, the other end of the first spring is fixedly connected with a first supporting plate, the bottom of the first damping sleeve is fixedly connected with a main spring, the main spring is movably sleeved outside the middle part of the pull rod, the bottom of the main spring is fixedly connected to the second damping sleeve, a second supporting plate is fixedly connected to the outer side of the second damping sleeve, a second spring is fixedly connected to the other end of the second supporting plate, the inside fixedly connected with spring three of shock attenuation cover two, the other end fixedly connected with backup pad three of spring three.

The first baffle and the second baffle are fixedly connected through bolts, nuts and nuts.

Carefully, the quantity of the second support plate, the second spring, the third spring and the third support plate is sixteen, and sixteen second support plates, the second spring, the third spring and the third support plate are uniformly arranged on the inner side and the outer side of the second damping sleeve.

And a rubber pad is fixedly arranged at one end of the second damping sleeve in a selected mode.

And in selection, the other end of the pull rod is fixedly provided with an installation plate.

And carefully selecting, wherein the number of the bolts, the first nuts and the second nuts is eight, and the eight bolts, the first nuts and the second nuts are arranged around the first baffle and the second baffle.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this fan is fallen and make an uproar and hang formula bumper shock absorber with spring, through having baffle one at telescopic upper portion fixed mounting to pass through bolt, nut one, nut two and baffle two with baffle one through fixed connection, be convenient for adjust according to the bolt, nut one, the interval between two pairs of baffle one and the baffle two of nut, thereby utilize the activity upper limit of a pair of damping piece of baffle and shock attenuation cover one to adjust, be convenient for change the elasticity of main spring, thereby change the absorption value of main spring to external vibrations.

2. This fan is fallen and make an uproar and use spring-suspended damper, there are damping sleeve one and damping sleeve two through at telescopic inside upside and downside difference movable mounting, and with damping sleeve one and two difference fixed connection of damping sleeve in the upper end and the lower extreme of main spring and all cup joint with the pull rod activity, and at damping sleeve one outside a week fixedly connected with spring one and backup pad one, at damping sleeve two outside a week fixedly connected with backup pad two and spring two, through damping sleeve one, spring one and backup pad one, damping sleeve two, the upper end and the lower extreme of backup pad two and two pairs of pull rods of spring carry out the shock attenuation and the buffering of each angle of horizontal direction, the impact that the absorbing device horizontal direction's of being convenient for vibrations brought, guarantee the shock attenuation buffering effect of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the sleeve of the present invention;

FIG. 4 is a schematic view of a damping sleeve of the present invention;

FIG. 5 is a schematic view of the damping sleeve II of the present invention;

FIG. 6 is a schematic view of a second baffle of the present invention;

fig. 7 is a schematic diagram of the baffle of the present invention.

In the figure: 1. a sleeve; 2. a first mounting plate; 3. perforating; 4. a pull rod; 5. a damping block; 6. a first damping sleeve; 7. a first spring; 8. a first support plate; 9. a main spring; 10. a second damping sleeve; 11. a second support plate; 12. a second spring; 13. a third spring; 14. a third support plate; 15. a rubber pad; 16. mounting a plate; 17. a first baffle plate; 18. a bolt; 19. a second baffle plate; 20. a first nut; 21. and a second nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a spring suspension type shock absorber for reducing noise of a fan comprises a sleeve 1, a first mounting plate 2 is fixedly mounted on the upper portion of the sleeve 1, a through hole 3 is formed in the bottom of the sleeve 1, a pull rod 4 is movably mounted inside the sleeve 1, a mounting plate 16 is fixedly mounted at the other end of the pull rod 4, the mounting plate 16 facilitates the fixed mounting of a device and a machine, a damping block 5 is fixedly mounted on the upper portion of the pull rod 4, a first baffle 17 is fixedly mounted above the damping block 5, a second baffle 19 is movably mounted above the first baffle 17, the first baffle 17 and the second baffle 19 are fixedly connected through a first bolt 18, a first nut 20 and a second nut 21, the number of the first bolt 18, the first nut 20 and the second nut 21 is eight, the first bolt 18, the first nut 20 and the second nut 21 are mounted around the first baffle 17 and the second baffle 19, and the first baffle 17 is fixedly mounted on, the baffle I17 is fixedly connected with the baffle II 19 through the bolt 18, the nut I20 and the nut II 21, so that the distance between the baffle I17 and the baffle II 19 can be conveniently adjusted according to the bolt 18, the nut I20 and the nut II 21, the movable upper limit of the damping block 5 and the damping sleeve I6 can be adjusted by utilizing the baffle I17, the elasticity of the main spring 9 can be conveniently changed, the absorption value of the main spring 9 to external vibration can be changed, the damping sleeve I6 is movably sleeved below the damping block 5, the spring I7 is fixedly connected to the outer part of the damping sleeve I6, the supporting plate I8 is fixedly connected to the other end of the spring I7, the main spring 9 is fixedly connected to the bottom of the damping sleeve I6, the main spring 9 is movably sleeved on the outer side of the middle part of the pull rod 4, the bottom of the main spring 9 is fixedly connected to the damping sleeve II 10, and the rubber pad 15 is fixedly installed, the rubber pad 15 cushions the bottom of the second damping sleeve 10 to avoid the direct collision between the second damping sleeve 10 and the sleeve 1, the rubber pad 15 reduces the abrasion between the second damping sleeve 10 and the sleeve 1, the outer side of the second damping sleeve 10 is fixedly connected with the second support plate 11, the other end of the second support plate 11 is fixedly connected with the second spring 12, the inner part of the second damping sleeve 10 is fixedly connected with the third spring 13, the other end of the third spring 13 is fixedly connected with the third support plate 14, the number of the second support plate 11, the second spring 12, the third spring 13 and the third support plate 14 is sixteen, the sixteen second support plates 11, the second springs 12, the third springs 13 and the third support plates 14 are uniformly arranged at the upper and lower sides inside and outside the second damping sleeve 10, the first damping sleeve 6 and the second damping sleeve 10 are respectively and fixedly connected at the upper end and the lower end of the main spring 9 and are respectively sleeved with the pull rod 4, and the outside a week fixedly connected with spring one 7 and backup pad one 8 at shock attenuation cover one 6, outside a week fixedly connected with backup pad two 11 and spring two 12 at shock attenuation cover two 10, through shock attenuation cover one 6, spring one 7 and backup pad one 8, shock attenuation cover two 10, backup pad two 11 and spring two 12 to the upper end and the lower extreme of pull rod 4 carry out the shock attenuation and the buffering of each angle of horizontal direction, the impact that the vibrations of the horizontal direction of the absorbing device of being convenient for brought, the shock attenuation buffering effect of assurance device.

The working principle is as follows: during the use, with device fixed mounting in appointed mechanical position, when machinery received external vibration afterwards, main spring 9 drove pull rod 4 and contracts, absorb and cushion the vibrations of vertical direction, and if the device rocks, then drive pull rod 4 and swing in sleeve 1's inside, and simultaneously, the upper and lower both ends of pull rod 4 in the swing compress to both sides or tensile, drive spring one 7, two 11 and three 13 of backup pad take place deformation, thereby utilize spring one 7, two 11 and three 13 of backup pad to absorb and cushion the compression of pull rod 4 horizontal direction or tensile power, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan is fallen and hang formula bumper shock absorber with spring, includes sleeve (1), its characterized in that: the shock absorption sleeve is characterized in that a first mounting plate (2) is fixedly mounted on the upper portion of the sleeve (1), a through hole (3) is formed in the bottom of the sleeve (1), a pull rod (4) is movably mounted inside the sleeve (1), a damping block (5) is fixedly mounted on the upper portion of the pull rod (4), a first shock absorption sleeve (6) is movably sleeved below the damping block (5), a first spring (7) is fixedly connected to the outer portion of the first shock absorption sleeve (6), a first support plate (8) is fixedly connected to the other end of the first spring (7), a main spring (9) is fixedly connected to the bottom of the first shock absorption sleeve (6), the main spring (9) is movably sleeved outside the middle of the pull rod (4), the bottom of the main spring (9) is fixedly connected to a second shock absorption sleeve (10), a second support plate (11) is fixedly connected to the outer side of the second shock absorption sleeve (10), a second spring (12) is fixedly connected to the other end, the inside fixedly connected with spring three (13) of shock attenuation cover two (10), the other end fixedly connected with backup pad three (14) of spring three (13).

2. The spring-suspended damper for noise reduction of the fan according to claim 1, wherein: the damping block is characterized in that a first baffle (17) is fixedly mounted above the damping block (5), a second baffle (19) is movably mounted above the first baffle (17), and the first baffle (17) and the second baffle (19) are fixedly connected through a bolt (18), a first nut (20) and a second nut (21).

3. The spring-suspended damper for noise reduction of the fan according to claim 1, wherein: the quantity of the second support plate (11), the second spring (12), the third spring (13) and the third support plate (14) is sixteen, sixteen the second support plate (11), the second spring (12), the third spring (13) and the third support plate (14) are uniformly arranged on the inner side and the outer side of the second damping sleeve (10).

4. The spring-suspended damper for noise reduction of the fan according to claim 1, wherein: one end of the second damping sleeve (10) is fixedly provided with a rubber pad (15).

5. The spring-suspended damper for noise reduction of the fan according to claim 1, wherein: and the other end of the pull rod (4) is fixedly provided with a mounting plate (16).

6. The spring-suspended damper for noise reduction of the fan according to claim 2, wherein: the number of the bolts (18), the number of the nuts I (20) and the number of the nuts II (21) are eight, and the eight bolts (18), the nuts I (20) and the nuts II (21) are arranged around the periphery of the baffle I (17) and the baffle II (19).