CN211290471U - Silencing elbow for central air conditioner air pipe - Google Patents
Silencing elbow for central air conditioner air pipe Download PDFInfo
- Publication number
- CN211290471U CN211290471U CN201922159039.9U CN201922159039U CN211290471U CN 211290471 U CN211290471 U CN 211290471U CN 201922159039 U CN201922159039 U CN 201922159039U CN 211290471 U CN211290471 U CN 211290471U
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- air
- pipe
- outer tube
- tube
- supply line
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- 230000030279 gene silencing Effects 0.000 title description 4
- 238000004378 air conditioning Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims 5
- 241001330002 Bambuseae Species 0.000 claims 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 5
- 239000011425 bamboo Substances 0.000 claims 5
- 230000003584 silencer Effects 0.000 claims 5
- 230000000903 blocking effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides an amortization elbow for central air conditioning air pipe relates to the central air conditioning field, the female joint comprises an outer pipe, the outer tube overlaps in the inner tube outside, the inner tube is inconsistent with the outer tube both ends, the inner tube is equipped with the backing ring with outer union coupling department, the outer tube tip is equipped with coupling mechanism, the inner tube includes the air-supply line, be equipped with wind blocking wheel in the air-supply line, wind blocking wheel and air-supply line are gone up fixed bearing rotation and are connected, air-supply line and return bend intercommunication, the outer tube with go out the tuber pipe intercommunication. In the utility model, the rotating wind wheel is arranged in the inner pipe, so that the air flow speed is contacted with the wind wheel before entering the elbow, partial kinetic energy of the air flow is converted into the kinetic energy of the rotation of the wind wheel, the impact of the air flow on the inner pipe is reduced, and the noise is weakened from the root; the elasticity of reinforcing backing ring reduces the efficiency that its energy transmitted to the outer tube when inner tube vibrates simultaneously, further improves the noise reduction effect.
Description
Technical Field
The utility model relates to a central air conditioning field especially relates to a central air conditioning is amortization elbow for tuber pipe.
Background
The central air conditioner needs pipelines when conveying cold and hot air into each room, the needed pipelines are called air pipes, the central air conditioner can control the temperature of a plurality of rooms and exchange and send air to the rooms, and air pipe elbows are needed to be connected at the joints of the air pipes in different directions to change the direction of air flow due to different wind directions conveyed by the air pipes.
However, the air flow in the air pipe is high in speed and large in flow, and when the air flow flows along the inside of the elbow through the air pipe elbow, the impact force and the friction force between the air flow and the air pipe are large, so that the air pipe elbow vibrates to generate large noise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a central air conditioning is amortization elbow for tuber pipe to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a central air conditioning is amortization elbow for tuber pipe, includes the outer tube, the outer tube overlaps in the inner tube outside, inner tube and outer tube both ends are inconsistent, the inner tube is equipped with the backing ring with outer union coupling department, the outer tube tip is equipped with coupling mechanism, the inner tube includes the air-supply line, be equipped with wind blocking wheel in the air-supply line, fixed bearing rotation on wind blocking wheel and the air-supply line inner wall is connected, air-supply line and return bend intercommunication, the outer tube with go out the tuber pipe intercommunication.
Preferably, flanges are arranged on the outer sides of the air inlet pipe and the air outlet pipe, one side, abutted against the end part of the outer pipe, of each flange is connected with a backing ring, and each backing ring is made of rubber materials.
Preferably, the section of the backing ring is L-shaped, and cavities which take the central axis of the backing ring as a path and are in an annular array are arranged in the backing ring.
Preferably, the outer pipe and the inner pipe are in a vacuum state.
Preferably, coupling mechanism includes the ring flange of fixed connection in the outer side of outer tube end portion, threaded connection has four hexagon bolts that are rectangular array on the ring flange.
Preferably, a wheel cylinder is arranged on the upper side of the air inlet pipe, the wheel cylinder is semicircular, the wind wheel is located in the wheel cylinder, the distance between the axis of the wind wheel and the bottom side of the inner wall of the wheel cylinder is the same as the distance between the axis of the wind wheel and the bottom side of the inner wall of the air inlet pipe, and the radius of the wind wheel is 5mm smaller than the distance between the inner wall of the wheel cylinder and the axis of the wind wheel.
The utility model has the advantages that:
in the utility model, firstly, the elbow is designed into a form of sleeving the inner pipe and the outer pipe, and the rotating wind wheel is arranged in the inner pipe, so that the air flow speed is contacted with the wind wheel before entering the elbow, partial kinetic energy of the air flow is converted into the kinetic energy of the rotation of the wind wheel, the impact of the air flow on the inner pipe is reduced, and the noise is weakened from the root; the inner pipe and the outer pipe are connected through the backing ring, the energy transfer efficiency of the outer pipe when the inner pipe vibrates is reduced, and the inner pipe and the outer pipe are in a vacuum state, so that noise is weakened in a transmission way; the cushion ring in the L shape is internally provided with a cavity, so that the elasticity of the cushion ring is enhanced, the efficiency of energy transfer to the outer pipe when the inner pipe vibrates is reduced, and the noise reduction effect is further improved; set up the connecting piece on the outer tube, can guarantee zonulae occludens between return bend and the tuber pipe, avoid outer tube and air current direct contact simultaneously, make the outer tube avoid the air current to strike.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of the grommet of the present invention;
reference numerals: 1. an outer tube; 2. an inner tube; 201. an air inlet pipe; 202. bending the pipe; 203. an air outlet pipe; 3. A flange plate; 4. a hexagon bolt; 5. a backing ring; 501. a cavity; 6. a wind blocking wheel; 7. a wheel cylinder; 8. and a bearing.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a silencing elbow for a central air conditioning duct comprises an outer tube 1, the outer tube 1 is sleeved outside an inner tube 2, the inner tube 2 abuts against two ends of the outer tube 1, a backing ring 5 is arranged at the joint of the inner tube 2 and the outer tube 1, a connecting mechanism is arranged at the end of the outer tube 1, the inner tube 2 comprises an air inlet tube 201, a wind blocking wheel 6 is arranged in the air inlet tube 201, the wind blocking wheel 6 is rotatably connected with a bearing 8 fixed on the inner wall of the air inlet tube 201, the air inlet tube 201 is communicated with a bent tube 202, the outer tube 1 is communicated with an air outlet tube 203, the outer sides of the air inlet tube 201 and the air outlet tube 203 are provided with flanges, the backing ring 5 is connected on the side of the backing ring abutting against the end of the outer tube 1, the backing ring 5 is made of a rubber material, the section of the backing ring 5 is L-shaped, a.
When the air flow enters the inner tube 2 from the air inlet pipe 201, the air flow firstly passes through the wind wheel 6 in the tube, the wind wheel 6 rotates by taking the bearing 8 as the center under the impact of the air flow, the impact force of the air flow is reduced, part of the impact force is converted into the power for rotating the wind wheel 6, meanwhile, the wind wheel 6 changes the flow direction of the air flow in the rotating process, the air flow is prevented from directly impacting the elbow 202, the impact force borne by the inner tube 2 is reduced, the vibration of the inner tube 2 is weakened, the noise is weakened from the sound source, when the inner tube 2 is impacted and the air flow friction generates the vibration, because only two ends of the inner tube 2 are connected with the outer tube 1, and the space between the inner tube 2 and the outer tube 1 is in a vacuum state, the sound generated by the vibration cannot be transmitted between the inner tube 2 and the outer tube 1, the noise is further reduced, when the noise at the joint, the cavity 501 is formed in the backing ring 5, so that the elasticity of the backing ring 5 is enhanced, and an excellent noise reduction effect is achieved.
Example 2
As shown in fig. 1-3, a silencing elbow for a central air-conditioning air duct comprises an outer tube 1, the outer tube 1 is sleeved outside an inner tube 2, the inner tube 2 is abutted against two ends of the outer tube 1, a backing ring 5 is arranged at the joint of the inner tube 2 and the outer tube 1, a connecting mechanism is arranged at the end part of the outer tube 1, the inner tube 2 comprises an air inlet tube 201, a wind blocking wheel 6 is arranged in the air inlet tube 201, the wind blocking wheel 6 is rotatably connected with a bearing 8 fixed on the inner wall of the air inlet tube 201, the air inlet tube 201 is communicated with a bent tube 202, the outer tube 1 is communicated with an air outlet tube 203, the connecting mechanism comprises a flange 3 fixedly connected to the outer side of the end part of the outer tube 1, four hexagonal bolts 4 in a rectangular array are in threaded connection with the flange 3, a wheel cylinder 7 is arranged on the upper side of the air inlet tube 201, the wheel cylinder 7 is in a semicircular shape, the radius of the wind wheel 6 is 5mm smaller than the distance between the inner wall of the wheel cylinder 7 and the axis of the wind wheel 6.
When the wind blocking device is installed, the outer pipe 1 is connected with an air pipe through the hexagon bolts 4 on the flange plate 3, the inner pipe 2 is located inside a port of the air pipe, when air flow enters the inner pipe 2 and impacts the inner pipe 2, vibration generated by the inner pipe 2 is transmitted to the outer pipe 1 only through the backing ring 5, the sound transmission path is reduced, the half of the wind blocking wheel 6 is located in the air inlet pipe 201 through the wheel barrel 7 in the semicircular design, and the wind blocking wheel 6 can rotate when being impacted by the air flow.
Working principle; the utility model discloses when using, the ring flange 3 of connecting outer tube 1 passes through hexagon bolt 4 and is connected with the tuber pipe, the air current in the tuber pipe is got into inner tube 2 by air-supply line 201, the air current with keep out the wind when taking turns 6 contacts, it consumes a part of kinetic energy of air current to keep out wind to turn 6, reduce the kinetic energy that the air current strikes return bend 202, when the air current strikes return bend 202 inner wall and produces the friction with return bend 202 inner wall, return bend 202 vibrations, the noise that return bend 202 vibrations produced makes sound subduct through the vacuum state between inner tube 2 and the outer tube 1, reduce the energy of transmission to outer tube 1 behind the 5 shock attenuation of backing ring of inner tube 2 tip and outer tube 1 junction process rubber system, alleviate the vibrations of outer tube 1, reach.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a central air conditioning is amortization elbow for tuber pipe, includes outer tube (1), its characterized in that: outer tube (1) overlaps in inner tube (2) outside, inner tube (2) and outer tube (1) both ends are inconsistent, inner tube (2) are equipped with backing ring (5) with outer tube (1) junction, outer tube (1) tip is equipped with coupling mechanism, inner tube (2) are including air-supply line (201), be equipped with in air-supply line (201) and keep off wind wheel (6), keep off wind wheel (6) and rotate with fixed bearing (8) on air-supply line (201) inner wall and be connected, air-supply line (201) and return bend (202) intercommunication, outer tube (1) and play tuber pipe (203) intercommunication.
2. A silencer elbow for a central air-conditioning duct according to claim 1, wherein: the outer sides of the air inlet pipe (201) and the air outlet pipe (203) are provided with flanges, one side of each flange, which is abutted against the end part of the outer pipe (1), is connected with a backing ring (5), and the backing ring (5) is made of rubber materials.
3. A silencer elbow for a central air-conditioning duct according to claim 2, characterized in that: the section of the backing ring (5) is L-shaped, and cavities (501) which are in an annular array by taking the central shaft of the backing ring (5) as a path are arranged in the backing ring (5).
4. A silencer elbow for a central air-conditioning duct according to claim 2, characterized in that: the space between the outer tube (1) and the inner tube (2) is in a vacuum state.
5. A silencer elbow for a central air-conditioning duct according to claim 1, wherein: the connecting mechanism comprises a flange plate (3) fixedly connected to the outer side of the end part of the outer pipe (1), and four hexagon bolts (4) in a rectangular array are connected to the flange plate (3) in a threaded mode.
6. A silencer elbow for a central air-conditioning duct according to claim 1, wherein: the air-supply line (201) upside is equipped with a wheel section of thick bamboo (7), a wheel section of thick bamboo (7) shape is semi-circular, keep off wind wheel (6) and be located a wheel section of thick bamboo (7), and keep out the wind the distance between the axis of wheel (6) and a wheel section of thick bamboo (7) inner wall, air-supply line (201) inner wall bottom side the same, the radius ratio that keeps off wind wheel (6) is apart from between the axis of wheel section of thick bamboo (7) inner wall and wind wheel (6) for a short time 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159039.9U CN211290471U (en) | 2019-12-05 | 2019-12-05 | Silencing elbow for central air conditioner air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159039.9U CN211290471U (en) | 2019-12-05 | 2019-12-05 | Silencing elbow for central air conditioner air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211290471U true CN211290471U (en) | 2020-08-18 |
Family
ID=72022361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922159039.9U Expired - Fee Related CN211290471U (en) | 2019-12-05 | 2019-12-05 | Silencing elbow for central air conditioner air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211290471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727732A (en) * | 2020-12-31 | 2021-04-30 | 江苏同悦气体系统有限公司 | Manifold |
-
2019
- 2019-12-05 CN CN201922159039.9U patent/CN211290471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727732A (en) * | 2020-12-31 | 2021-04-30 | 江苏同悦气体系统有限公司 | Manifold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |