Noise reduction structure for external counterpulsation device

Abstract

The utility model discloses a noise reduction structure for an external counterpulsation device, relates to the technical field of external counterpulsation equipment, and comprises a mounting shell and a noise reduction shell, first sound absorption cotton is fixedly laid at the bottom end in the mounting shell, and the noise reduction shell is fixedly arranged at the upper end of one side, far away from the mounting shell, of the first sound absorption cotton; a mounting groove is formed in the side, away from the first sound absorption cotton, of the noise reduction shell, an air outlet is formed in one side of the lower end of the mounting groove, a cover plate covers the side, away from the first sound absorption cotton, of the noise reduction shell, and the side, close to the noise reduction shell, of the cover plate is fixedly mounted on the noise reduction shell through a mounting mechanism. The air outlet direction of the device can be changed, the lower air outlet is changed into lateral air outlet, meanwhile, a sound absorption structure is arranged at the air outlet position, and noise generated by air outlet of the device can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of external counterpulsation equipment, in particular to a noise reduction structure used for an external counterpulsation device. Background Art

[0002] Extracorporeal counterpulsation is a method of non-invasive external compression of the limbs to relieve and eliminate angina symptoms and improve the hypoxia-ischemia state of important organs of the body. It is also a medical device used to prevent and treat cardiovascular and cerebrovascular diseases.

[0003] The exhaust of the equipment in the traditional EVCP device airbag EVCP system is the main noise source. The noise generated when the airbag EVCP system is working seriously pollutes the indoor treatment atmosphere. Utility Model Content

[0004] In view of the above problems existing in the existing external counterpulsation device, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a noise reduction structure for an external counterpulsation device, which solves the problem in the prior art that the exhaust of equipment in the airbag-type external counterpulsation system of the external counterpulsation device is the main noise source, and the noise generated when the airbag-type external counterpulsation system is working seriously pollutes the indoor treatment atmosphere.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A noise reduction structure for an extracorporeal counterpulsation device comprises a mounting shell and a noise reduction shell, wherein a first sound-absorbing cotton is fixedly laid on the inner bottom end of the mounting shell, and the noise reduction shell is fixedly arranged on the upper end of a side of the first sound-absorbing cotton away from the mounting shell, a mounting groove is provided on the side of the noise reduction shell away from the first sound-absorbing cotton, an air outlet is provided on the lower end side of the mounting groove, a cover plate is provided on the side of the noise reduction shell away from the first sound-absorbing cotton, and a side of the cover plate close to the noise reduction shell is fixedly mounted to the noise reduction shell through a mounting mechanism.

[0008] Preferably, the mounting mechanism includes a first reinforcing rib and a mounting frame, the two first reinforcing ribs are fixedly arranged on both sides of the noise reduction shell, the two mounting frames are arranged between the two first reinforcing ribs, both ends of the mounting frame are slidably sleeved with the corresponding first reinforcing ribs, a plurality of first threaded holes are provided on the upper surface of the first reinforcing rib, second threaded holes are provided at both ends of the mounting frame and at positions corresponding to the first threaded holes, third threaded holes are provided on both sides of the cover plate and at positions corresponding to the second threaded holes, and the plurality of corresponding first threaded holes, second threaded holes and third threaded holes are all connected by bolt thread locking.

[0009] Preferably, a circular groove is provided on the inner wall of the noise reduction shell at a position corresponding to the installation groove, and a second sound-absorbing cotton is clamped inside the circular groove.

[0010] Preferably, a first mounting plate is fixedly disposed on one side of the mounting shell, and a second mounting plate is fixedly disposed on the other side of the mounting shell, and first mounting holes are formed on surfaces of the first mounting plate and the second mounting plate.

[0011] Preferably, a plurality of sound absorbing cavities are provided on a side of the cover plate close to the noise reduction shell.

[0012] Preferably, a second reinforcing rib is fixedly disposed between one ends of two of the first reinforcing ribs.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model installs the air outlet of the extracorporeal counterpulsation device in the noise reduction shell by aligning it with the installation groove, and then covers the outside of the noise reduction shell with a cover plate, so that the air outlet of the extracorporeal counterpulsation device can be changed from bottom air outlet to side air outlet, which can reduce the noise generated by the air outlet of the extracorporeal counterpulsation device. At the same time, the first sound-absorbing cotton and the second sound-absorbing cotton further absorb and reduce the noise of the air outlet, which can greatly reduce the noise generated when the device is in use and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a schematic diagram of a noise reduction structure for an external counterpulsation device proposed by the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0018] Figure 3 for Figure 2 A three-dimensional view of the first reinforcement rib.

[0019] Description of reference numerals:

[0020] 1. Mounting shell; 2. First sound-absorbing cotton; 3. Cover plate; 4. First mounting plate; 5. Second mounting plate; 6. Noise reduction shell; 7. Mounting groove; 8. Air outlet; 9. Round groove; 10. Second sound-absorbing cotton; 11. Mounting frame; 12. First reinforcement rib; 13. Second reinforcement rib. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model embodiment discloses a noise reduction structure for an external counterpulsation device.

[0023] Reference Figure 1-3 A noise reduction structure for an extracorporeal counterpulsation device comprises a mounting shell 1 and a noise reduction shell 6, wherein a first sound-absorbing cotton 2 is fixedly laid on the inner bottom end of the mounting shell 1, and the noise reduction shell 6 is fixedly arranged on the upper end of the first sound-absorbing cotton 2 away from the mounting shell 1, and a mounting groove 7 is provided on the side of the noise reduction shell 6 away from the first sound-absorbing cotton 2, and an air outlet 8 is provided on the lower end side of the mounting groove 7, and a cover plate 3 is provided on the side of the noise reduction shell 6 away from the first sound-absorbing cotton 2, and a plurality of sound-absorbing cavities are provided on the side of the cover plate 3 close to the noise reduction shell 6, which can further improve the noise reduction performance of the device, and a circular groove 9 is provided on the inner wall of the noise reduction shell 6 and at a position corresponding to the mounting groove 7, and a second sound-absorbing cotton 10 is clamped inside the circular groove 9, which further improves the noise reduction performance of the device.

[0024] Reference Figure 1-3 The side of the cover plate 3 close to the noise reduction shell 6 is fixedly installed with the noise reduction shell 6 through an installation mechanism, and the installation mechanism includes a first reinforcing rib 12 and a mounting frame 11, the two first reinforcing ribs 12 are fixedly arranged on both sides of the noise reduction shell 6, and a second reinforcing rib 13 is fixedly arranged between one end of the two first reinforcing ribs 12, which can maintain the stability of the two first reinforcing ribs 12, and the two mounting frames 11 are arranged between the two first reinforcing ribs 12, and both ends of the mounting frame 11 are slidably connected with the corresponding first reinforcing ribs 12, and a plurality of first threaded holes are provided on the upper surface of the first reinforcing rib 12, and second threaded holes are provided at both ends of the mounting frame 11 and at positions corresponding to the first threaded holes, and third threaded holes are provided on both sides of the cover plate 3 and at positions corresponding to the second threaded holes, and the plurality of corresponding first threaded holes, second threaded holes and third threaded holes are all connected by bolt thread locking.

[0025] Reference Figure 1-3 A first mounting plate 4 is fixedly provided on one side of the mounting shell 1, and a second mounting plate 5 is fixedly provided on the other side of the mounting shell 1. The surfaces of the first mounting plate 4 and the second mounting plate 5 are both provided with first mounting holes to facilitate the installation and fixation of the mounting shell 1.

[0026] In the utility model, when in use, the air outlet of the extracorporeal counterpulsation device is aligned with the installation groove 7 and installed in the noise reduction shell 6, and then the cover plate 3 is covered on the outside of the noise reduction shell 6, that is, the air outlet of the extracorporeal counterpulsation device can be changed from bottom air outlet to side air outlet, which can reduce the noise generated by the air outlet of the extracorporeal counterpulsation device. At the same time, the first sound-absorbing cotton 2 and the second sound-absorbing cotton 10 further absorb and reduce the air outlet noise, which can greatly reduce the noise generated when the device is in use and improve the user experience.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A noise reduction structure for an external counterpulsation device, comprising a mounting shell (1) and a noise reduction shell (6), characterized in that: The first sound-absorbing cotton (2) is fixedly laid on the bottom end of the interior of the installation shell (1); the noise reduction shell (6) is fixedly arranged on the upper end of the first sound-absorbing cotton (2) away from the installation shell (1); a mounting groove (7) is provided on the side of the noise reduction shell (6) away from the first sound-absorbing cotton (2); an air outlet (8) is provided on the lower end of the mounting groove (7); a cover plate (3) is provided on the side of the noise reduction shell (6) away from the first sound-absorbing cotton (2); and a side of the cover plate (3) close to the noise reduction shell (6) is fixedly mounted on the noise reduction shell (6) via a mounting mechanism.

2. The noise reduction structure for an external counterpulsation device according to claim 1, characterized in that: The mounting mechanism comprises a first reinforcing rib (12) and a mounting frame (11), wherein two of the first reinforcing ribs (12) are fixedly arranged on both sides of the noise reduction shell (6), and the two mounting frames (11) are arranged between the two first reinforcing ribs (12). Both ends of the mounting frame (11) are slidably sleeved with the corresponding first reinforcing ribs (12), and a plurality of first threaded holes are provided on the upper surface of the first reinforcing rib (12), and second threaded holes are provided at both ends of the mounting frame (11) and at positions corresponding to the first threaded holes, and third threaded holes are provided at both sides of the cover plate (3) and at positions corresponding to the second threaded holes, and the plurality of corresponding first threaded holes, second threaded holes and third threaded holes are all connected by bolt thread locking.

3. The noise reduction structure for an external counterpulsation device according to claim 1, characterized in that: A circular groove (9) is provided on the inner wall of the noise reduction shell (6) at a position corresponding to the mounting groove (7), and a second sound-absorbing cotton (10) is clamped inside the circular groove (9).

4. The noise reduction structure for an external counterpulsation device according to claim 1, characterized in that: A first mounting plate (4) is fixedly disposed on one side of the mounting shell (1), and a second mounting plate (5) is fixedly disposed on the other side of the mounting shell (1); first mounting holes are provided on the surfaces of the first mounting plate (4) and the second mounting plate (5).

5. The noise reduction structure for an external counterpulsation device according to claim 1, characterized in that: A plurality of sound absorbing cavities are provided on a side of the cover plate (3) close to the noise reduction shell (6).

6. The noise reduction structure for an external counterpulsation device according to claim 2, characterized in that: A second reinforcing rib (13) is fixedly arranged between one ends of the two first reinforcing ribs (12).

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