CN202852317U - Vibration damper and hanging device of air conditioning air channel - Google Patents
Vibration damper and hanging device of air conditioning air channel Download PDFInfo
- Publication number
- CN202852317U CN202852317U CN201220427970.6U CN201220427970U CN202852317U CN 202852317 U CN202852317 U CN 202852317U CN 201220427970 U CN201220427970 U CN 201220427970U CN 202852317 U CN202852317 U CN 202852317U
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- air
- conditioning duct
- rubber layer
- vibration
- vibration damping
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Abstract
The utility model provides a vibration damper and a hanging device of an air conditioning air channel to reduce the vibration of the air conditioning air channel and the noise generated by the air conditioning air channel. The vibration damper of the air conditioning air channel comprises a fixing piece and at least one rubber layer. The rubber layer is used for being coated on the air conditioning air channel, and the fixing piece is used for fixing the rubber layer and the air conditioning air channel. The rubber layer can be deformed along with the vibration of the air conditioning air channel to damp the vibration of the air conditioning air channel to a certain extent, and has the effect of reducing the vibration of the air conditioning air channel. Besides, the rubber layer is coated completely on the connection portion of the air conditioning air channel and the outside, and enables the air conditioning air channel to be isolated from the outside, and thus effect of the vibration of the air conditioning air channel on outside components connected with the air conditioning air channel is small, and the outside components can not be damaged basically. Meanwhile, as the vibration decreases, the vibration noise of the air conditioning air channel can be effectively controlled as well, and in other words, the rubber layer is arranged to further have a noise-reducing effect.
Description
Technical field
The utility model relates to air-conditioning mounting technique field, particularly relates to a kind of vibration damping equipment for the air-conditioning duct installation.In addition, the utility model also relates to a kind of suspension arrangement with above-mentioned vibration damping equipment.
Background technique
In occasions such as workshop or track trains, the general air-conditioning unit that all has special use, the exchange of all cold and hot air etc. all realizes by the air channel, the air-conditioning unit is sent into cold wind or hot blast in the guest room of workshop or track train by the air channel, and then send the hot air in workshop or the guest room or cool air back to the air-conditioning unit by the air channel, and then discharge by the air-conditioning unit.
For realizing above-mentioned gas exchange process; the air channel must be installed in workshop or the guest room; because the air channel generally adopts aluminum alloy or stainless thin plate to make, for avoiding external environment condition to the damage in air channel, usually can coat the one layer of heat preservation material in the outside in air channel in the prior art.Consider some occasion to the having relatively high expectations of noise, and the air channel can produce vibrating noise in the process of transmission air, this just need to carry out noise reduction process to the air channel.Common way is to coat one deck sound-absorbing material in the outside in air channel.
But if the support in air channel or fixing unreasonable, the vibration meeting in air channel is more violent, even produces the chatter radiation.The source of this vibration is many-sided: for example, the vibration of air-conditioning draught fan can pass to the air channel to some extent; In the inhomogeneous situation of airflow field, the eddy current of air-flow can produce an irregular Pressure Fluctuation in the air channel, and this Pressure Fluctuation can aggravate the vibration of air channel wall.Vibrate in the more violent situation in the air channel, existing sound-absorbing material has been not enough to the noise that vibration causes is absorbed.
Therefore, how a kind of vibration damping equipment of air-conditioning duct being set, to reduce the vibrating noise of air-conditioning duct, is the present technical issues that need to address of those skilled in the art.
The model utility content
The purpose of this utility model provides a kind of vibration damping equipment and suspension arrangement of air-conditioning duct, with the vibration that reduces air-conditioning duct and the noise that is produced thereof.
For solving the problems of the technologies described above, the utility model provides a kind of vibration damping equipment of air-conditioning duct, described vibration damping equipment comprises fixed block and at least one rubber layer, and described rubber layer is used for coating described air-conditioning duct, and described fixed block is used for fixing described rubber layer and air-conditioning duct.
Coat one deck or multilayer rubber layer in the outside of air-conditioning duct, this rubber layer can be along with the vibration generation deformation of air-conditioning duct, thereby cushion to a certain extent the vibration of air-conditioning duct, has the effect that reduces the air-conditioning duct vibration; In addition, rubber layer makes it with outside isolated air-conditioning duct and the complete coating in outside contacted position, and then is fixed by fixed block, then the vibration of air-conditioning duct is less on coupled external component impact, basically can be to the external component injury; Simultaneously, along with reducing of vibration, the vibrating noise of air-conditioning duct has also obtained effective control, that is to say, the setting of rubber layer also has the effect of noise reduction.
Preferably, described fixed block is clip, and described clip is installed on described rubber layer on the described air-conditioning duct.
Adopt clip as fixed block, rubber layer firmly can be locked in the outside of air-conditioning duct, in order to avoid slippage or dislocation appear in rubber layer; In addition, during installation, only need be installed on clip on the rubber layer and get final product, and mount and dismount all more convenient.
Preferably, described clip comprises front band and the lower catch hoop of mutual engaging, and the weight of described front band is less than described lower catch hoop.
Generally speaking, air-conditioning duct all is mounted in the top of workshop or train etc., and clip is set to up and down two parts, and the weight of front band is lighter, this can reduce the installation center of gravity of air-conditioning duct to a certain extent, and then reduces air-conditioning duct amplitude of fluctuation in the horizontal.Certainly, adopt up and down two-part structure, front band and lower catch hoop can be snapped in from the above and below of air-conditioning duct respectively, more be beneficial to the installation and removal of clip.
Preferably, described rubber layer and the one by one corresponding setting of described clip, described rubber layer adheres on the inwall of described clip, and each described clip is distributed in the axial of described air-conditioning duct spaced reciprocally.
On the inwall with described rubber layer adhesion and described clip, so that both form an integral body, then described rubber layer can be with respect to described clip or air-conditioning duct slippage, and its vibration damping and installation effect are all better; And, the corresponding setting with clip of described rubber layer, and both be distributed in air-conditioning duct axially so that axially upper each position of air-conditioning duct can both obtain comparatively stable support, and then improved the reliability of installing.
Preferably, described rubber layer and the contacted one side of described air-conditioning duct are male and fomale(M﹠F).
Preferably, described male and fomale(M﹠F) has many group juts and depressed part, and both all are the axially extended strip setting along described air-conditioning duct.
Preferably, the width of described jut and depressed part is identical.
The jut of described male and fomale(M﹠F) contacts with air-conditioning duct, and when the air-conditioning duct vibration-generating, this jut deforms, and active force of air-conditioning duct is correspondingly given in the distortion of jut, thereby plays the effect that relaxes vibration; And the depressed part that matches with jut can provide for the distortion of jut the space, to alleviate the distortion of whole rubber layer, prolongs the working life of rubber layer; What is more important has air in the cavity that this depressed part surrounds, and when air-conditioning duct vibrated, this part air can produce dry-friction damping, thereby utilizes the vibration frequency of damping principle reduction air-conditioning duct, plays the effect of vibration damping; In addition, the cavity that described depressed part surrounds also is equivalent to a sound insulation chamber, and the wall of depressed part can reflect the partial vibration noise, and then reduces vibrating noise to externalities.
The utility model also provides a kind of suspension arrangement of air-conditioning duct, comprises that described air-conditioning duct is equipped with above-mentioned each described vibration damping equipment outward for the dunnage that hangs and support air-conditioning duct, and described dunnage links to each other with the fixed block of described vibration damping equipment.
Preferably, be provided with rubber pad between described fixed block and the described dunnage.
On the basis of above-mentioned vibration damping equipment, the suspension arrangement that the utility model provides also has rubber pad, this rubber pad is arranged between the fixed block and described dunnage of vibration damping equipment, to avoid both directly to contact, this rubber pad is equivalent to a rubber damping pad, can reduce the vibration of fixed block, can also reduce the vibration that passes to dunnage by fixed block, like this, just has dual vibration damping protection between from the air-conditioning duct to the dunnage: at first carry out the vibration damping first time by rubber layer, this time vibration damping is absorb vibration and noise to a great extent, but still has partial vibration to be delivered to fixed block; Then, rubber pad carries out vibration damping to fixed block, consists of for the second time vibration damping, and this time vibration damping can with vibration control in certain amplitude, guarantee that dunnage can not be a greater impact basically.
Description of drawings
Fig. 1 is the structural representation of suspension arrangement that the utility model provides in a kind of embodiment;
Fig. 2 is the sectional view in A-A cross section among Fig. 1;
Fig. 3 provides the structural representation of a kind of set-up mode of clip for the utility model;
Fig. 4 is the front view of rubber layer that the utility model provides;
Fig. 5 is the sectional view in B-B cross section among Fig. 4.
Embodiment
Core of the present utility model provides a kind of vibration damping equipment and suspension arrangement of air-conditioning duct, with the vibration that reduces air-conditioning duct and the noise that is produced thereof.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the structural representation of suspension arrangement that the utility model provides in a kind of embodiment.
In a kind of embodiment, suspension arrangement of the present utility model comprises vibration damping equipment and dunnage 4, wherein, vibration damping equipment comprises fixed block 1 and rubber layer 2, rubber layer 2 is coated on the outside of air-conditioning duct 3, fixed block 1 is fixedly installed on the part that is coated with rubber layer 2 on the air-conditioning duct 3, thereby rubber layer 2 and air-conditioning duct 3 is fixing; Then, fixed block 1 can be connected with dunnage 4, and dunnage 4 can link to each other with the outside, and at this moment, air-conditioning duct 3 just can be supported and fixes by dunnage 4.As shown in fig. 1, when dunnage 4 was arranged on the top of wall or compartment wall, air-conditioning duct 3 just was draped, and had just consisted of the suspension arrangement of an air-conditioning duct after whole vibration damping equipment is connected with dunnage 4.Generally, from the process that the outside section of air-conditioning unit carries, the size of air-conditioning duct 3 can be adjusted as required, be the demand of installing, described suspension arrangement operated by rotary motion is in the size flat region of air-conditioning duct 3, should not be arranged on its size Sudden change region, in order to avoid affect the use of air-conditioning duct 3.
Need to prove, for saving cost, rubber layer 2 can only coat the part of air-conditioning duct 3, and the effect of rubber layer 2 is to avoid air-conditioning duct 3 directly to contact with external component, therefore, rubber layer 2 only needs to coat air-conditioning duct 3 and gets final product with outside contacted part; In the present embodiment, rubber layer 2 only needs the be draped part that supports of air-conditioning duct 3 is coated and gets final product, and that is to say that rubber layer 2 only needs to be installed between air-conditioning duct 3 and the fixed block 1, so just can reduce the vibration that air-conditioning duct 3 passes to fixed block 1, and then reduce external noise.
Can suspension arrangement mentioned above be further improved.
Please refer to Fig. 2, Fig. 2 is the sectional view in A-A cross section among Fig. 1.
In preferred implementation shown in Figure 2, also be provided with rubber pad 7 between dunnage 4 and fixed block 1, rubber pad 7 is equivalent to a separator, and it can be installed between dunnage 4 and the fixed block 1, thereby both are isolated mutually, avoid directly coming in contact between the two.This set helps vibration is cushioned: because the vibration of air-conditioning duct 3 can cause that in varying degrees fixed block 1 vibrates thereupon, this vibration further also can cause vibrating noise, and dunnage 4 links to each other with external object, consider the stability of support, dunnage 4 should keep static as far as possible; In that noise is required higher occasion, avoid fixed block 1 that its vibration is passed to dunnage 4 as far as possible, to reduce as much as possible noise, keep external environment condition; And rubber pad 7 can bear larger elastic strain, and the vibration of fixed block 1 can cause the deformation of rubber pad 7, and this deformation can reduce the Oscillation Amplitude of fixed block 1, plays the effect that relaxes fixed block 1 vibration; Simultaneously, the vibration of fixed block 1 at first passes to rubber pad 7, just pass to dunnage 4 after the internal damping through rubber pad 7, then the vibration that receives of dunnage 4 can be reduced in the lower scope, then can not there be Large Amplitude Vibration in dunnage 4, just can not produce larger noise yet, and the working life that reduces to prolong dunnage 4 of vibration.
In another preferred embodiment, dunnage 4 is generally two boom stick, as shown in Figure 2, two boom stick are arranged on the two ends of air-conditioning duct 3, the cross section of this boom stick can be the L-type setting, and the vertical part of this L-type is fixed on the external object, and its transverse part is used for supporting air-conditioning duct 3, at the transverse part of dunnage 4 successively closed assembly rubber pad 7, fixed block 1, rubber pad 7 are arranged, then can dunnage 4, rubber pad 7 and fixed block 1 be connected and fixed by bolt 5.Tightr for connecting, can between bolt 5 and uppermost rubber pad 7, increase pad 6, in like manner, can also between the lower end surface of bolt 5 and dunnage 4, increase pad 6; The increase of pad 6 can also be played certain protective action to rubber pad 7 and dunnage 4, avoids bolt to both injuries.
Obviously, dunnage 4 can also be set to other shapes, when dunnage 4 is other shapes, still rubber pad 7 can be arranged between dunnage 4 and the fixed block 1, thereby both are spaced from each other.And the thickness of rubber pad 7 can suitably be adjusted as required, perhaps increases or reduce the quantity of rubber pad 7, to satisfy the requirement of vibration damping and noise reduction.
As mentioned above, the utility model also provides a kind of vibration damping equipment of air-conditioning duct, better understands this vibration damping equipment for making those skilled in the art, below in conjunction with the drawings and specific embodiments it is further introduced.
As shown in Figure 1, described vibration damping equipment comprises fixed block 1 and rubber layer 2, rubber layer 2 can be one deck or multilayer, its number can be one, two or more, the number of rubber layer 2 can specifically arrange according to the demand of installing, rubber layer 2 is coated on the outside of air-conditioning duct 3, then by fixed block 1 both is fixed.In mode of execution shown in Figure 1, fixed block 1 can be clip, this clip can be the pipe-like setting that vertically connects, itself and air-conditioning duct 3 and rubber layer 2 are complementary, after the outside of air-conditioning duct 3 has coated rubber layer 2, described clip is installed on the rubber layer 2, and then rubber layer 2 is clamped the outside that is fixed on air-conditioning duct 3.
Because can there be vibration in air-conditioning duct 3, for preventing rubber layer 2 slippages, rubber layer 2 can be bonded on the inwall of fixed block 1, perhaps arranges rubber layer 2 and fixed block 1 as a whole.At this moment, rubber layer 2 and clip 1 are corresponding settings the one by one, a plurality of clip 1 compartment of terrains that are stained with rubber layer 2 can be installed on the air-conditioning duct 3, that is to say, each clip 1 is spaced apart along the axial direction of air-conditioning duct 3, in order to each position of air-conditioning duct 3 is fixed respectively.
Axial or its axial direction of air-conditioning duct 3 as herein described refers to its length direction, or perhaps the bearing of trend of its pipeline, namely the direction of air-conditioning duct 3 conveying gases.
Can expect, when fixed block 1 is clip, two or more parts that clip can be adopted whole installation or mutually engage.
Please refer to Fig. 3, Fig. 3 provides the structural representation of a kind of set-up mode of clip for the utility model.
Clip can comprise front band 11 and lower catch hoop 12, and front band 11 and lower catch hoop 12 engage up and down, to form an integral body that is installed on the rubber layer 2.The weight of front band 11 is less than lower catch hoop 12, can reduce like this installation center of gravity of whole air-conditioning duct 3, and then reduces it in the amplitude of teeter.For realizing the above-mentioned weight setting of front band 11 and lower catch hoop 12, both can be adopted different materials make, perhaps suitably reduce the thickness of front band 11, the thickness of increase lower catch hoop 12 etc.; When both adopt same material to make, can reduce the size of front band 11, the size of increase lower catch hoop 12, as shown in fig. 1, the height of front band 11 just is significantly less than the height of lower catch hoop 12, to effectively reduce the installation center of gravity.
Be the needs that connect, front band 11 and lower catch hoop 12 all can arrange bending part, and both bending part places are equipped with connecting through hole, and both can engage mutually at bending part, as shown in Figure 3.Front band 11 links to each other with dunnage 4 with the connecting through hole of lower catch hoop 12 by its bending part, as shown in Figure 2, front band 11 and lower catch hoop 12 engagings are integrated, then between the bending part of the upper surface of front band 11 bending parts, lower catch hoop 12 and dunnage 4, rubber pad 7 is set, by bolt 5 clip, dunnage 4 and rubber pad 7 is connected and fixed afterwards.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the front view of rubber layer that the utility model provides; Fig. 5 is the sectional view in B-B cross section among Fig. 4.
A kind of preferred embodiment in, the one side of rubber layer 2 can be male and fomale(M﹠F), in addition the one side can be the plane, described plane is linked to each other with fixed block 1, male and fomale(M﹠F) is coated on the air-conditioning duct 3.Recessed and the outstanding part of this male and fomale(M﹠F) is comparatively speaking, can be a plurality of outstanding parts are set on the basis on plane, also can be that several recessed parts are set on the basis on plane; In addition, recessed and outstanding degree can be different, and can there be difference just at outstanding and recessed position, that is to say that the end at a plurality of outstanding positions can not be in the same plane, and the concave point at a plurality of recessed positions can not be in the same plane yet.
In Fig. 4 and mode of execution shown in Figure 5, the male and fomale(M﹠F) of rubber layer 2 has many group juts 21 and depressed part 22, jut 21 and depressed part 22 all are the strip setting, the bearing of trend of strip is axially identical with air-conditioning duct 3, how group juts 21 are connected with depressed part connects successively, consists of whole male and fomale(M﹠F).Certainly, organizing depressed part 22 can be in the same plane more, and jut 21 can be arranged between the two adjacent depressed parts 22; Simultaneously, the shape of organizing jut 21 can be identical more, and for example, its cross section can be set to trapezoidal, and the end of organizing jut 21 can be in the same plane more.In addition, the width of jut 21 and depressed part 22 also can be identical.
Need to prove, the length direction of described jut 21 and depressed part 22 is the bearing of trend of its strip, namely air-conditioning duct 3 is axial, then the width direction of described jut 21 and depressed part 22 is exactly the direction perpendicular with its length direction, and both distances on this direction are said both width herein namely.
Be set to male and fomale(M﹠F) with air-conditioning duct 3 contacted one sides on the rubber layer 2, jut 21 directly contacts with air-conditioning duct 3, when air-conditioning duct 3 vibration-generating, jut 21 will deform, this distortion will be given reaction force of air-conditioning duct, this reaction force can suppress the vibration of air-conditioning duct 3, thereby plays the effect of vibration damping; In addition, depressed part 22 is equipped with jut 21, can provide the space for the distortion of jut 21, in order to avoid the internal stress of rubber layer 2 is excessive, prevents that rubber layer 2 from producing non-response distortion, thereby prolongs the working life of rubber layer 2; What is more important, depressed part 22 can consist of a cavity with jut 21, has air in this cavity, when air-conditioning duct 3 vibration, air in the described cavity can produce dry-friction damping, and then reduces the vibration frequency of air-conditioning duct 3, utilizes damping principle to play the effect of vibration damping; On the other hand, the wall of depressed part 22, jut 21 all can reflect vibrating noise with the junction surface of depressed part 22, to reduce to be delivered to outside vibrating noise.
More than the vibration damping equipment of air-conditioning duct provided by the utility model and suspension arrangement with this vibration damping equipment are described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. the vibration damping equipment of an air-conditioning duct is characterized in that, described vibration damping equipment comprises fixed block and at least one rubber layer, and described rubber layer is used for coating described air-conditioning duct, and described fixed block is used for fixing described rubber layer and air-conditioning duct.
2. vibration damping equipment as claimed in claim 1 is characterized in that, described fixed block is clip, and described clip is installed on described rubber layer on the described air-conditioning duct.
3. vibration damping equipment as claimed in claim 2 is characterized in that, described clip comprises front band and the lower catch hoop of mutual engaging, and the weight of described front band is less than described lower catch hoop.
4. vibration damping equipment as claimed in claim 2 is characterized in that, described rubber layer and the one by one corresponding setting of described clip, and described rubber layer adheres on the inwall of described clip, and each described clip is distributed in the axial of described air-conditioning duct spaced reciprocally.
5. such as each described vibration damping equipment of claim 1 to 4, it is characterized in that described rubber layer and the contacted one side of described air-conditioning duct are male and fomale(M﹠F).
6. vibration damping equipment as claimed in claim 5 is characterized in that, described male and fomale(M﹠F) has many group juts and depressed part, and both all are the axially extended strip setting along described air-conditioning duct.
7. vibration damping equipment as claimed in claim 6 is characterized in that, the width of described jut and depressed part is identical.
8. the suspension arrangement of an air-conditioning duct comprises for the dunnage that hangs and support air-conditioning duct, and it is characterized in that described air-conditioning duct is equipped with each described vibration damping equipment of above-mentioned 1-7 outward, described dunnage links to each other with the fixed block of described vibration damping equipment.
9. suspension arrangement as claimed in claim 8 is characterized in that, is provided with rubber pad between described fixed block and the described dunnage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427970.6U CN202852317U (en) | 2012-08-27 | 2012-08-27 | Vibration damper and hanging device of air conditioning air channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427970.6U CN202852317U (en) | 2012-08-27 | 2012-08-27 | Vibration damper and hanging device of air conditioning air channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202852317U true CN202852317U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427970.6U Expired - Lifetime CN202852317U (en) | 2012-08-27 | 2012-08-27 | Vibration damper and hanging device of air conditioning air channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202852317U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172809A (en) * | 2015-09-10 | 2015-12-23 | 南车株洲电力机车有限公司 | Rail vehicle and vehicle body thereof |
| CN106195512A (en) * | 2016-08-29 | 2016-12-07 | 浙江金盾风机股份有限公司 | A kind of nuclear power fire prevention airduct earthquake-proof frame |
| CN108468871A (en) * | 2018-07-02 | 2018-08-31 | 江苏苏鑫管夹制造有限公司 | A kind of shockproof pipe clamp of heavy type |
-
2012
- 2012-08-27 CN CN201220427970.6U patent/CN202852317U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172809A (en) * | 2015-09-10 | 2015-12-23 | 南车株洲电力机车有限公司 | Rail vehicle and vehicle body thereof |
| CN106195512A (en) * | 2016-08-29 | 2016-12-07 | 浙江金盾风机股份有限公司 | A kind of nuclear power fire prevention airduct earthquake-proof frame |
| CN108468871A (en) * | 2018-07-02 | 2018-08-31 | 江苏苏鑫管夹制造有限公司 | A kind of shockproof pipe clamp of heavy type |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |