CN220849936U - Noise reduction structure for external counterpulsation device - Google Patents
Noise reduction structure for external counterpulsation device Download PDFInfo
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- CN220849936U CN220849936U CN202322528793.1U CN202322528793U CN220849936U CN 220849936 U CN220849936 U CN 220849936U CN 202322528793 U CN202322528793 U CN 202322528793U CN 220849936 U CN220849936 U CN 220849936U
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- pipe
- air inlet
- bevel gear
- wall
- sound insulation
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- 230000009467 reduction Effects 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003414 extremity Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008081 blood perfusion Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model discloses a noise reduction structure for an external counterpulsation device, which relates to the technical field of external counterpulsation devices and comprises an air inlet pipe, wherein one end of the air inlet pipe is fixedly connected with an L-shaped pipe, one end of the L-shaped pipe, which is far away from the air inlet pipe, is fixedly provided with a square pipe, and one end of the square pipe, which is far away from the L-shaped pipe, is fixedly provided with an air inlet cover; a plurality of soundproof cotton sleeves are sleeved in the air inlet pipe, and the soundproof cotton sleeves are sequentially propped against each other from left to right; the pipe wall of the air inlet pipe and the positions corresponding to the sound insulation cotton sleeves are provided with replacement ports; the outer wall rotation cover of intake pipe is equipped with the sound insulation pipe, bar mouth has been seted up to one side of sound insulation pipe, the outer wall of side's pipe is provided with carries out spacing stop gear to the sound insulation pipe. The utility model can reduce the noise generated when the air compressor is in air, and reduce the pollution of the noise to the indoor treatment atmosphere.
Description
Technical Field
The utility model relates to the technical field of external counterpulsation devices, in particular to a noise reduction structure for an external counterpulsation device.
Background
The external counterpulsation is a non-invasive auxiliary circulation treatment method, the lower leg, thigh and buttock of human body are respectively wrapped with air bags, the electrocardio R wave of human body is used as trigger signal, the air bags wrapped at the distal end, proximal end and buttock of limb are inflated and pressurized by the far-to-near sequence inertia in the diastole period, the limb artery is pressed, the blood in the limb artery is made to flow back to the aorta, so as to increase the aortic diastolic pressure, thereby promoting the blood perfusion of important organs and improving the blood supply of human body.
In the use process of the traditional external counterpulsation device, the noise reduction effect of the air inlet pipe of the air compressor is poor, so that larger noise can be generated during air inlet, serious pollution can be caused to the indoor treatment environment, and the treatment atmosphere is influenced.
Disclosure of utility model
The present utility model has been made in view of the above-mentioned problems with the existing external counterpulsation apparatus.
Therefore, the utility model aims to provide a noise reduction structure for an external counterpulsation device, which solves the problems that in the prior art, the external counterpulsation device has poor noise reduction effect in the use process, larger noise is generated in the air inlet process of an air compressor, serious pollution is caused to the indoor treatment environment, and the treatment atmosphere is influenced.
In order to achieve the above object, the present utility model provides the following technical solutions:
The noise reduction structure for the external counterpulsation device comprises an air inlet pipe, wherein one end of the air inlet pipe is fixedly connected with an L-shaped pipe, one end of the L-shaped pipe, which is far away from the air inlet pipe, is fixedly provided with a square pipe, and one end of the square pipe, which is far away from the L-shaped pipe, is fixedly provided with an air inlet cover;
a plurality of soundproof cotton sleeves are sleeved in the air inlet pipe, and the soundproof cotton sleeves are sequentially propped against each other from left to right;
the pipe wall of the air inlet pipe and the positions corresponding to the sound insulation cotton sleeves are provided with replacement ports;
The outer wall rotation cover of intake pipe is equipped with the sound insulation pipe, bar mouth has been seted up to one side of sound insulation pipe, the outer wall of side's pipe is provided with carries out spacing stop gear to the sound insulation pipe.
Preferably, the stop gear includes first bevel gear and second bevel gear, the outer wall of intake pipe is located to first bevel gear movable sleeve, one side of first bevel gear and the one end fixed connection of sound insulation pipe, the second bevel gear meshing sets up in one side of first bevel gear, square hole has been seted up at the middle part of second bevel gear, the second bevel gear is cup jointed with the outer wall slip of square pipe, and unable pivoted second bevel gear is spacing with first bevel gear, can keep the stability of sound insulation pipe promptly.
Preferably, the upper end outer wall of side pipe is fixed to be cup jointed the baffle ring, the outer wall activity of side pipe has cup jointed the spring, the one end and the second bevel gear fixed connection of spring, the other end and the baffle ring fixed connection of spring for the second bevel gear is stable with first bevel gear meshing.
Preferably, the air inlet cover is arranged in a horn mouth shape, so that noise generated when the air inlet is used for air inlet can be reduced.
Preferably, the outer wall of sound insulation pipe is provided with anti-skidding line, increases the friction of hand and sound insulation pipe outer wall, and the skid when preventing to the greatest extent to rotate the sound insulation pipe.
Preferably, the inner wall of the air inlet cover is fixedly provided with a soundproof cotton ring, so that noise generated during air inlet of the air compressor is further reduced.
In the technical scheme, the utility model has the technical effects and advantages that:
According to the utility model, the small air inlet of the traditional air inlet pipe is optimized to be the horn-shaped air inlet cover, so that the air inlet area can be increased, and meanwhile, the sound insulation cotton ring is arranged in the air inlet cover, so that the noise generated when the air inlet is in the air inlet can be reduced.
According to the utility model, the second bevel gear is pulled to separate the second bevel gear from the first bevel gear, so that the sound insulation pipe can be rotated, the strip-shaped opening is rotated to be aligned with the plurality of replacement openings, and the aged sound insulation cotton sleeve in the air inlet pipe can be conveniently taken out and replaced.
According to the utility model, the spring pushes the second bevel gear to be meshed with the first bevel gear in a natural state, so that the second bevel gear which cannot rotate limits the first bevel gear, namely, the sound insulation pipe cannot rotate, and the stability of the sound insulation pipe can be maintained.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a noise reduction structure for an external counterpulsation apparatus according to the present utility model;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
Fig. 3 is a perspective view of the inlet cowl of fig. 1.
Reference numerals illustrate:
1. An air inlet pipe; 2. a soundproof cotton sleeve; 3. a sound insulation pipe; 4. a first bevel gear; 5. a second bevel gear; 6. a spring; 7. a baffle ring; 8. a replacement port; 9. a strip-shaped opening; 10. a soundproof cotton ring; 11. an air inlet cover.
Description of the embodiments
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a noise reduction structure for an external counterpulsation device.
Referring to fig. 1-3, a noise reduction structure for an external counterpulsation device comprises an air inlet pipe 1, wherein one end of the air inlet pipe 1 is fixedly connected with an L-shaped pipe, one end of the L-shaped pipe, which is far away from the air inlet pipe 1, is fixedly provided with a square pipe, one end of the square pipe, which is far away from the L-shaped pipe, is fixedly provided with an air inlet cover 11, the air inlet cover 11 is arranged in a horn mouth shape, so that noise generated when an air inlet enters the air inlet can be reduced, and the inner wall of the air inlet cover 11 is fixedly provided with a soundproof cotton ring 10, so that the noise generated when the air inlet enters the air inlet is further reduced;
the inside of the air inlet pipe 1 is sleeved with a plurality of soundproof cotton sleeves 2, and the soundproof cotton sleeves 2 are sequentially propped against each other from left to right;
the pipe wall of the air inlet pipe 1 and the positions corresponding to the plurality of soundproof cotton sleeves 2 are provided with replacement ports 8;
The outer wall of the air inlet pipe 1 is rotationally sleeved with a sound insulation pipe 3, one side of the sound insulation pipe 3 is provided with a strip-shaped opening 9, the outer wall of the sound insulation pipe 3 is provided with anti-skid lines, friction between the hand and the outer wall of the sound insulation pipe 3 is increased, and slipping during rotation of the sound insulation pipe 3 is prevented as much as possible;
Because optimizing the tiny air inlet of traditional intake pipe is the inlet cover 11 of horn mouth form, can improving the area of admitting air, set up soundproof cotton ring 10 in inlet cover 11 simultaneously, can reduce the noise that the air inlet produced when admitting air promptly.
In order to keep the sound insulation pipe 3 stable in a natural state, referring to fig. 1-3, a limiting mechanism for limiting the sound insulation pipe 3 is arranged on the outer wall of the square pipe, the limiting mechanism comprises a first bevel gear 4 and a second bevel gear 5, the first bevel gear 4 is movably sleeved on the outer wall of the air inlet pipe 1, one side of the first bevel gear 4 is fixedly connected with one end of the sound insulation pipe 3, the second bevel gear 5 is meshed with one side of the first bevel gear 4, a square hole is formed in the middle of the second bevel gear 5, the second bevel gear 5 is in sliding sleeve joint with the outer wall of the square pipe, a baffle ring 7 is fixedly sleeved on the outer wall of the upper end of the square pipe, a spring 6 is movably sleeved on the outer wall of the square pipe, one end of the spring 6 is fixedly connected with the second bevel gear 5, and the other end of the spring 6 is fixedly connected with the baffle ring 7, so that the second bevel gear 5 can be stably meshed with the first bevel gear 4;
Under natural state, spring 6 promotes second bevel gear 5 to with first bevel gear 4 meshing for unable pivoted second bevel gear 5 carries out spacingly to first bevel gear 4, makes sound insulation pipe 3 unable rotation, can keep sound insulation pipe 3's stability promptly.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The noise reduction structure for the external counterpulsation device comprises an air inlet pipe (1), and is characterized in that one end of the air inlet pipe (1) is fixedly connected with an L-shaped pipe, one end of the L-shaped pipe, which is far away from the air inlet pipe (1), is fixedly provided with a square pipe, and one end of the square pipe, which is far away from the L-shaped pipe, is fixedly provided with an air inlet cover (11);
A plurality of soundproof cotton sleeves (2) are sleeved in the air inlet pipe (1), and the soundproof cotton sleeves (2) are sequentially propped against each other from left to right;
The pipe wall of the air inlet pipe (1) and the positions corresponding to the sound insulation cotton sleeves (2) are provided with replacement ports (8);
The outer wall of intake pipe (1) rotates the cover and is equipped with sound insulation pipe (3), bar mouth (9) have been seted up to one side of sound insulation pipe (3), the outer wall of side's pipe is provided with carries out spacing stop gear to sound insulation pipe (3).
2. The noise reduction structure for an external counterpulsation device according to claim 1, wherein the limiting mechanism comprises a first bevel gear (4) and a second bevel gear (5), the first bevel gear (4) is movably sleeved on the outer wall of the air inlet pipe (1), one side of the first bevel gear (4) is fixedly connected with one end of the sound insulation pipe (3), the second bevel gear (5) is meshed with one side of the first bevel gear (4), a square hole is formed in the middle of the second bevel gear (5), and the second bevel gear (5) is in sliding sleeve connection with the outer wall of the square pipe.
3. The noise reduction structure for an external counterpulsation device according to claim 2, wherein a baffle ring (7) is fixedly sleeved on the outer wall of the upper end of the square tube, a spring (6) is movably sleeved on the outer wall of the square tube, one end of the spring (6) is fixedly connected with the second bevel gear (5), and the other end of the spring (6) is fixedly connected with the baffle ring (7).
4. The noise reduction structure for an external counterpulsation apparatus according to claim 1, wherein said inlet cowl (11) is provided in a horn-like configuration.
5. The noise reduction structure for an external counterpulsation apparatus according to claim 1, wherein the outer wall of said sound insulation tube (3) is provided with anti-slip lines.
6. The noise reduction structure for an external counterpulsation apparatus according to claim 1, wherein an acoustic cotton ring (10) is fixedly provided to the inner wall of said intake shroud (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528793.1U CN220849936U (en) | 2023-09-18 | 2023-09-18 | Noise reduction structure for external counterpulsation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528793.1U CN220849936U (en) | 2023-09-18 | 2023-09-18 | Noise reduction structure for external counterpulsation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849936U true CN220849936U (en) | 2024-04-26 |
Family
ID=90770723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322528793.1U Active CN220849936U (en) | 2023-09-18 | 2023-09-18 | Noise reduction structure for external counterpulsation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849936U (en) |
-
2023
- 2023-09-18 CN CN202322528793.1U patent/CN220849936U/en active Active
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