CN210829897U

CN210829897U - Damping device for fan installation

Info

Publication number: CN210829897U
Application number: CN201921805766.1U
Authority: CN
Inventors: 蔡震方; 刘波; 周洪梅
Original assignee: Hubei Liangyouliang Decoration Engineering Co ltd
Current assignee: Hubei Liangyouliang Decoration Engineering Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-23
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a damping device is used in fan installation relates to fan installation device, aims at solving the too big problem of vibration in the fan use, and its technical scheme main points are: the fan damping device comprises a damping device body and a fan installed on the damping device body, the damping device body comprises a bottom plate, a plurality of sliding grooves are formed in the bottom plate, the opening of each sliding groove is parallel to the rotating plane of a blade of the fan towards the length direction of the fan and the corresponding sliding groove, a sliding block matched with the corresponding sliding groove is connected in a sliding mode in the corresponding sliding groove, the sliding block extends towards the fan and is fixedly connected to the fan, two first expansion springs are arranged in the sliding grooves, one ends of the first expansion springs are abutted to the sliding block, the other ends of the first expansion springs are abutted to the side walls of the sliding grooves, and the bottom plate is provided with a plurality of expansion mechanisms used for supporting the first. The utility model discloses can effectively slow down the vibration that the fan produced.

Description

Damping device for fan installation

Technical Field

The utility model relates to a fan installation device, more specifically say, it relates to a damping device is used in fan installation.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Ventilators are widely used for ventilation, dust exhaust, cooling, and the like of factories, tunnels, ships, and buildings. But the ventilation blower is in the use because machining precision such as blade leads to off-centre and motor to rotate etc. all can produce certain vibration, and the direction of main vibration is parallel with the rotation plane of the blade of fan, and when vibrating too big, long-term use not only can cause bad influence to the life-span etc. of fan itself, still can cause bad influence to environment and personnel around the fan.

To the above-mentioned problem, chinese patent publication No. CN208778322U discloses a large-scale fan vibration damping mount, its technical essential is: the shock absorption device comprises a housing, be provided with the shock attenuation post in the middle of the inside bottom of casing, shock attenuation post periphery cover has damping spring, the shock attenuation top is provided with the shock attenuation board, the both ends and the casing lateral wall of shock attenuation board rotate to be connected, a plurality of supporting shoes that the shock attenuation board top was fixed with bilateral symmetry distributes, the top of supporting shoe extends to the casing outside, the casing top is provided with the opening corresponding with the supporting shoe, supporting shoe top fixedly connected with bracing piece, the bracing piece top is fixed with the mounting panel.

This scheme has solved the too big problem of fan vibration, simultaneously the utility model provides a new technical scheme solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a damping device is used in fan installation, its vibration that can effectually slow down fan during operation production.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a damping device is used in fan installation, includes damping device, damping device installs the fan, damping device includes the bottom plate, a plurality of spouts have been seted up to the bottom plate, the opening of spout is on a parallel with the rotation plane of the blade of fan towards the length direction of fan and spout, the spout internal slipping is connected with the slider that agrees with the spout, the slider extends and fixed connection in fan towards the fan, be provided with two expanding spring one in the spout, the one end butt of expanding spring one in the slider, the other end butt of expanding spring one in the lateral wall of spout, the bottom plate is provided with a plurality of telescopic machanism that are used for its support, and is a plurality of telescopic machanism distributes around the fan.

By adopting the technical scheme, when the fan rotates, the vibration of the fan mainly comes from the vibration caused by the eccentricity of the blade of the fan and the vibration caused by the eccentricity of the rotating shaft of the motor in the fan, and the main vibration direction of the vibration is parallel to the rotating plane of the blade of the fan; the length direction of spout is on a parallel with the rotation plane of the blade of fan for in the main vibration transmission of fan to the slider, and make the slider along the length direction vibration of spout, absorb and slow down the vibration through the expanding spring who sets up in the slider both ends.

The utility model discloses further set up to: the sliding groove is a T-shaped groove, the upper end faces of the sliding blocks are fixedly connected with connecting rods, the connecting rods extend towards the fan and are fixedly connected to the fan, a first telescopic spring penetrates through a guide rod, one end of the guide rod is fixedly connected to the sliding blocks, and the other end of the guide rod penetrates into the bottom plate.

Through adopting above-mentioned technical scheme for when expanding spring is flexible, the guide rod can guide expanding spring, can effectually reduce the deformation that produces in the expanding spring use, sets up the probability that the spout that can effectually reduce the slider and break away from the spout to T type groove simultaneously, makes the result of use better relatively.

The utility model discloses further set up to: the inner wall of the sliding groove facing downwards is fixedly connected with a cushion pad.

Through adopting above-mentioned technical scheme for fan during operation can effectual absorption and slow down the vibration that transmits to the slider through the blotter, reduces the vibration that transmits to the bottom plate, optimizes the utility model discloses an excellent in use effect.

The utility model discloses further set up to: telescopic machanism is including being the bracing piece of vertical setting, the bracing piece runs through the bottom plate and overlaps at the bracing piece and be equipped with two expanding spring two, two loop platform of bracing piece fixedly connected with, two the loop platform is located the top and bottom of bottom plate respectively, two expanding spring two are located the top and bottom of bottom plate respectively and the one end butt of expanding spring two in the loop platform, the other end butt of expanding spring two in the bottom plate.

Through adopting above-mentioned technical scheme for the vibration of transmission to the bottom plate can effectually be absorbed and slow down by two expanding spring two, set up two expanding spring two of bottom plate upper and lower simultaneously and make the bottom plate when the vibration, can effectually reduce the bottom plate and directly touch of two ring platforms of fixed connection in the bracing piece, make the effect of slowing down the vibration better relatively.

The utility model discloses further set up to: the support rod is sleeved with a guide pipe, and the guide pipe is fixedly connected to the bottom plate.

Through adopting above-mentioned technical scheme, in the use, through the rotation of the relative bottom plate of guide tube can effectual reduction bracing piece, further optimize the utility model discloses an excellent in use effect.

The utility model discloses further set up to: encircle the bracing piece is seted up threadedly, the bracing piece has two nuts and two nuts to be located the upper and lower side of bottom plate respectively through threaded connection, the one end butt in the nut of bottom plate is kept away from to expanding spring two.

Through adopting above-mentioned technical scheme for the tip that two expanding spring two phases deviate from butts respectively in the terminal surface of two nut one side in opposite directions, when the height of needs adjustment bottom plate, can adjust the height of bottom plate through rotating one of them or two nuts, and simultaneously when the tension of needs adjustment expanding spring two, the accessible rotates two nut compressions or makes two expanding spring two tension in order to change expanding spring two.

The utility model discloses further set up to: the telescopic spring sleeve is provided with a heat insulation corrugated pipe, one end of the heat insulation corrugated pipe is fixedly connected to the nut, and the other end of the heat insulation corrugated pipe is fixedly connected to the bottom plate.

Through adopting above-mentioned technical scheme, in the use, can protect expanding spring two through thermal-insulated bellows, thermal-insulated bellows possesses certain thermal-insulated effect simultaneously, can make the temperature of thermal-insulated bellows inside under the high temperature condition lower relatively to reduce the influence of the result of use to expanding spring two under the high temperature condition.

The utility model discloses further set up to: the first extension spring and the second extension spring are composite rubber springs.

Through adopting above-mentioned technical scheme, the compound rubber spring not only possesses that metal spring bears the load big and difficult advantage that deforms also possesses the advantage that rubber spring absorbs impact and vibration, and compound rubber spring makes expansion spring one and expansion spring two have more excellent shock attenuation effect in the use, can effectually reduce the vibration of expansion spring one and expansion spring two own simultaneously, can further optimize the utility model discloses an excellent in use effect.

To sum up, the utility model discloses following beneficial effect has:

1. when the vibration of the fan is transmitted to the sliding block in the using process, the sliding block vibrates along the length direction of the sliding groove, the first expansion springs arranged at the two ends of the sliding block absorb and slow down the vibration, the main vibration of the fan can be effectively slowed down, and meanwhile, the bottom plate can be limited by the second expansion springs arranged above the bottom plate when the bottom plate generates a certain displacement upwards due to the vibration through the second expansion springs arranged above and below the bottom plate, so that the vibration transmitted to the bottom plate can be fully absorbed and slowed down by the second expansion springs;

2. through setting up in the nut at the both ends that two expanding springs two phases deviate from, still can not change the height of bottom plate when can adjust the tension of expanding spring two as required for the result of use is better relatively.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention, which is mainly used for showing the position relationship of the damping device relative to the display board;

FIG. 3 is an enlarged view of the portion A of FIG. 2, which is mainly used to show the structure of the shock absorbing device;

fig. 4 is a schematic diagram of a partial explosion of the present invention, which is mainly used for showing the structure of the telescopic mechanism;

fig. 5 is a schematic view of a partial structure of the present invention, which is mainly used for showing the structures of the display board and the guide tube.

In the figure: 1. a fan; 11. a mounting seat; 2. a damping device; 21. a base plate; 211. a chute; 212. a slider; 213. a first extension spring; 214. a guide rod; 215. a cushion pad; 216. a guide hole; 22. a connecting rod; 3. a telescoping mechanism; 31. a support bar; 311. a ring platform; 312. a guide tube; 313. a thread; 314. a nut; 32. a second expansion spring; 33. a heat insulating corrugated tube; 34. mounting a plate; 341. an expansion bolt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The damping device for mounting the fan, referring to fig. 1 and 3, includes a damping device 2 and a fan 1 mounted on the damping device 2, and a mounting base 11 for fixing the fan 1 is fixedly connected to a lower portion of the fan 1.

Referring to fig. 2 and 3, the damping device 2 includes a bottom plate 21, the bottom plate 21 is provided with a plurality of sliding slots 211, an opening of the sliding slot 211 faces the fan 1, a length direction of the sliding slot 211 is parallel to a rotation plane of a blade of the fan 1, and the plurality of sliding slots 211 are distributed below the fan 1 in an array. The sliding groove 211 is a T-shaped groove, a sliding block 212 engaged with the sliding groove 211 is arranged in the sliding groove 211, and the sliding block 212 is connected to the sliding groove 211 in a sliding manner. The upper end face of the sliding block 212 is fixedly connected with a connecting rod 22 which is vertically arranged, and one end, far away from the bottom plate 21, of the connecting rod 22 extends towards the fan 1 and is fixedly connected to the mounting seat 11. And a buffer pad 215 is disposed between the lower wall surface of the slide groove 211 and the slider, and the buffer pad 215 is fixedly coupled to the bottom surface of the slide groove 211.

In order to absorb the vibration transmitted to the sliding block 212, two first extension springs 213 are disposed in the sliding slot 211, the two first extension springs 213 are distributed along the length direction of the sliding slot 211 and are respectively located at two ends of the sliding block 212, and the extension direction of the first extension springs 213 is parallel to the length direction of the sliding slot 211.

Referring to fig. 2 and 3, one end of the first extension spring 213 abuts against the slider 212, and the other end of the first extension spring 213 abuts against the side wall of the sliding slot 211; meanwhile, two guide holes 216 are formed in the bottom plate 21, the central axis of each guide hole 216 coincides with the central axis of the first extension spring 213, the two guide holes 216 are located at two ends of the sliding block 212, and the two guide holes 216 are opened oppositely. The first extension spring 213 is provided with a guide rod 214 in a penetrating manner, the length direction of the guide rod 214 is parallel to the length direction of the sliding groove 211, one end of the guide rod 214 is fixedly connected to the sliding block 212, the other end of the guide rod 214 extends into the guide hole 216, and the length of the part of the guide rod 214 extending into the guide hole 216 is smaller than that of the guide hole 216.

The first extension spring 213 can be a common metal spring or a composite rubber spring, and is preferably a composite rubber spring.

When the fan 1 rotates, the vibration of the fan 1 is mainly caused by the eccentricity of the blade of the fan 1 and the eccentricity of the rotating shaft of the motor in the fan 1, and the main vibration direction of the vibration is parallel to the rotating plane of the blade of the fan 1. The length direction of spout 211 is on a parallel with the plane of rotation of fan 1's blade for in the main vibration of fan 1 can transmit slider 212, and make slider 212 along the length direction vibration of spout 211, slow down the vibration through set up the expanding spring 213 at slider 212 both ends, guide the expanding spring 213 through guide rod 214 simultaneously, the effectual deformation that reduces expanding spring 213 and produce in the use. Meanwhile, the first extension spring 213 is a composite rubber spring, which not only has the advantages of large load bearing capacity of the metal spring and difficult deformation, but also has the advantages of impact and vibration absorption of the rubber spring, and can effectively reduce the vibration of the first extension spring 213, so that the use effect is relatively better.

Referring to fig. 2 and 4, in order to further alleviate the vibration generated from the blower 1 and support the base plate 21, the base plate 21 is provided with a plurality of telescopic mechanisms 3 for buffering and supporting.

Telescopic machanism 3 is including being the bracing piece 31 of vertical setting, and bracing piece 31 runs through bottom plate 21 and encircles two loop platforms 311 of outer wall fixedly connected with of bracing piece 31, and two loop platforms 311 distribute in the top and bottom of bottom plate 21. The supporting rod 31 is sleeved with two extension springs 32, the two extension springs 32 are distributed above and below the bottom plate 21, one ends of the two extension springs 32 are abutted to the bottom plate 21, and the other ends of the two extension springs 32 are abutted to the annular table 311.

Meanwhile, the support rod 31 is sleeved with a guide tube 312 (shown in fig. 5), the guide tube 312 is fixedly connected to the bottom plate 21, two ends of the guide tube 312 are respectively located above and below the bottom plate 21, and the end of the second expansion spring 32 close to the bottom plate 21 is sleeved on the guide tube 312.

When the vibration damping device is used, the vibration generated by the bottom plate 21 and the fan 1 is buffered through the second telescopic spring 32, and meanwhile, the second telescopic spring arranged above and below the bottom plate 21 can effectively reduce the mutual interference between the supporting rod 31 and the bottom plate 21 during vibration, so that the using effect is influenced.

Referring to fig. 2 and 4, in order to level the bottom plate 21 and adjust the tension of the second extension spring 32 during use, a thread 313 is formed around the support rod 31, the support rod 31 is connected with two nuts 314 through the thread 313, the two nuts 314 are respectively located above and below the bottom plate 21, and one end of the second extension spring 32, which is far away from the bottom plate 21, abuts against the nut 314. The second extension spring 32 is a common metal spring or a composite rubber spring, and is preferably a composite rubber spring.

When the tension of the second expansion spring 32 needs to be adjusted, only the two nuts 314 need to be rotated to compress the second expansion spring 32 or the second expansion spring 32 is allowed to relax; when the bottom plate 21 needs to be leveled, only the nut 314 needs to be rotated to change the height of the bottom plate 21, and meanwhile, the ring platform 311 can reduce the probability that the nut 314 is rotated too much to cause the nut 314 to be separated from the support rod 31.

Referring to fig. 2 and 4, in order to protect the second expansion spring 32, the second expansion spring 32 is sleeved with a heat insulation corrugated pipe 33, one end of the heat insulation corrugated pipe 33 is fixedly connected to the nut 314, and the other end of the heat insulation corrugated pipe 33 is fixedly connected to the bottom plate 21, and meanwhile, the damage of external high temperature to the second expansion spring 32 can be effectively reduced through the heat insulation effect of the heat insulation corrugated pipe 33.

The lower end of the support rod 31 is fixedly connected with a mounting plate 34 parallel to the ground, the mounting plate 34 is provided with an expansion bolt 341, and the mounting plate 34 is fixedly connected to the ground through the expansion bolt 341.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a damping device is used in fan installation, includes damping device (2), fan (1), its characterized in that are installed to damping device (2): damping device (2) include bottom plate (21), a plurality of spout (211) have been seted up to bottom plate (21), the opening of spout (211) is on a parallel with the rotation plane of the blade of fan (1) towards fan (1) and the length direction of spout (211), spout (211) internal slipping is connected with slider (212) that agrees with spout (211), slider (212) extend and fixed connection in fan (1) towards fan (1), be provided with two expanding spring (213) in spout (211), the one end butt of expanding spring (213) is in slider (212), the other end butt of expanding spring (213) is in the lateral wall of spout (211), bottom plate (21) are provided with a plurality of telescopic machanism (3) that are used for its support, and are a plurality of telescopic machanism (3) encircle fan (1) and distribute.

2. The fan installation shock absorbing device of claim 1, wherein: the utility model discloses a fan, including spout (211), connecting rod (22), telescopic spring (213), guide rod (214), the one end fixed connection of guide rod (214) in the spout (211) is T type groove and the up end fixedly connected with connecting rod (22) of a plurality of slider (212), connecting rod (22) extend and fixed connection in fan (1) towards fan (1), the other end of guide rod (214) penetrates in bottom plate (21).

3. The fan installation damping device of claim 2, wherein: the inner wall of the sliding groove (211) facing downwards is fixedly connected with a cushion pad (215).

4. The fan installation damping device of claim 2, wherein: telescopic machanism (3) are including bracing piece (31) that are vertical setting, bracing piece (31) run through bottom plate (21) and are equipped with two expanding spring two (32) at bracing piece (31) cover, two loop platform (311) of bracing piece (31) fixedly connected with, two loop platform (311) are located the below and below of bottom plate (21) respectively, two one end butt in loop platform (311) that two (32) of expanding spring are located the below and below of bottom plate (21) and two (32) of expanding spring respectively, the other end butt in bottom plate (21) of two (32) of expanding spring.

5. The fan installation shock absorbing device of claim 4, wherein: the support rod (31) is sleeved with a guide pipe (312), and the guide pipe (312) is fixedly connected to the bottom plate (21).

6. The damper for fan installation according to claim 5, wherein: encircle bracing piece (31) set up screw thread (313), bracing piece (31) have two nuts (314) and two nuts (314) are located the upper and lower side of bottom plate (21) respectively through screw thread (313) threaded connection, the one end butt in nut (314) that bottom plate (21) were kept away from in expanding spring two (32).

7. The fan installation shock absorbing device of claim 6, wherein: expansion spring two (32) cover is equipped with thermal-insulated bellows (33), the one end fixed connection of thermal-insulated bellows (33) is in nut (314), the other end fixed connection of thermal-insulated bellows (33) is in bottom plate (21).

8. The fan installation shock absorbing device of claim 7, wherein: the first extension spring (213) and the second extension spring (32) are composite rubber springs.