CN218644420U

CN218644420U - Medical compression pump capable of noise reduction

Info

Publication number: CN218644420U
Application number: CN202222632250.XU
Authority: CN
Inventors: 曾宏国; 乔茂枝
Original assignee: Dongguan Tianchang Electromechanical Manufacturing Co ltd
Current assignee: Dongguan Tianchang Electromechanical Manufacturing Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-17
Anticipated expiration: 2032-10-08

Abstract

A sound and noise reducing medical compression pump comprising: the device comprises a base, a motor driving device, a piston rod, an air cylinder, a ventilation box and a silencing box; a second silencing bin structure is arranged in the ventilation box; the silencing box is located beside the ventilation box, a first silencing bin structure is arranged inside the silencing box, the air outlet end of the first silencing bin structure is communicated with the air inlet end of the second silencing bin structure through an air pipe, and the air pipe is exposed outside. The external gas firstly passes through the first silencing bin structure in the silencing box to carry out primary noise reduction and silencing, and then enters the second silencing bin structure in the ventilation box to carry out secondary noise reduction and silencing, so that the product achieves the silencing effect; and the gas is guided into the second silencing bin structure through the gas pipe after the first silencing bin structure finishes the first noise reduction and silencing, the gas pipe is exposed outside, and the compressed hot gas effectively dissipates heat after passing through the gas pipe, so that the service life of the product is prolonged.

Description

Medical compression pump capable of eliminating noise

Technical Field

The utility model belongs to the technical field of medical compression pump, especially, relate to a medical compression pump that makes an uproar falls in amortization.

Background

The compression pump for the atomizer is a core component in the atomizer, and the performance and the quality of the atomizer which are directly influenced by the quality of functions also directly determine the treatment effect of the atomizer.

The compression pump in the patent CN103398000A only adopts the ventilation box to compress and reduce noise of gas, and the product still has some noise, which cannot meet the development trend of "silence" of the compression pump.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a medical compression pump of making an uproar falls in amortization, its amortization noise reduction effect promotes greatly, can satisfy the effect of silence.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a noise-reducing and noise-reducing medical compression pump, comprising: the device comprises a base, a motor driving device, a piston rod, a cylinder, a ventilation box and a silencing box; the motor driving device is arranged on one side of the base; the air cylinder is arranged on the other side of the base, one end of the piston rod is connected to one end of an output shaft of the motor driving device, and the other end of the piston rod acts on the air cylinder; the air exchange box is arranged on the air cylinder, an air exchange end of the air exchange box is communicated with the air cylinder, and a second silencing bin structure is arranged in the air exchange box; the silencing box is located beside the ventilation box, a first silencing bin structure is arranged inside the silencing box, the air outlet end of the first silencing bin structure is communicated with the air inlet end of the second silencing bin structure through an air pipe, and the air pipe is exposed to the outside.

In one embodiment, the air tube is a heat-dissipating silicone hose.

In one embodiment, the silencing box comprises a main body and a box cover, wherein the main body is formed by protruding on one side of the base, and the main body and the cylinder are positioned on the same side of the base;

the first silencing bin structure is divided into a first silencing bin and a second silencing bin by a first partition plate, a first air groove is formed in the first partition plate, and the first air groove is communicated with the first silencing bin and the second silencing bin; the box cover covers the first silencing bin and the second silencing bin, a first air inlet nozzle and a first air outlet nozzle are arranged on the outer wall of the box cover, one end of the first air inlet nozzle is communicated with the outside, and the other end of the first air inlet nozzle is communicated with the first silencing bin; one end of the first air outlet nozzle is communicated with the second silencing bin, and the other end of the first air outlet nozzle is communicated with an air inlet end on the ventilation box through the air pipe.

In one embodiment, the inside of the ventilation box is divided into a third silencing bin and a fourth silencing bin by a second partition plate, a second air inlet nozzle and a second air outlet nozzle are correspondingly arranged on the outer wall of the ventilation box, one end of the second air inlet nozzle is communicated with the air pipe, and the other end of the second air inlet nozzle is communicated with the third silencing bin; one end of the second air outlet nozzle is communicated with the fourth silencing bin, and the other end of the second air outlet nozzle is communicated with the outside; the air outlet end of the third silencing bin is communicated with a first scavenging hole in the cylinder; and the air inlet end of the fourth silencing bin is communicated with a second scavenging hole in the cylinder.

In one embodiment, an air column is convexly arranged in the third silencing bin, and the upper end of the air column is communicated with the first ventilation hole; and a second air groove is formed in the air column and is communicated with the air column and the third silencing bin.

In one embodiment, the upper end of the air column is provided with an air tap which is clamped between the first ventilating hole and the air column; the outer wall of the air faucet is convexly provided with a positioning part, correspondingly, the inner wall of the air column is concavely provided with a positioning groove, and the positioning part is inserted into the positioning groove for positioning.

In one embodiment, a sealing valve plate is clamped between the air cylinder and the ventilation box, a normally closed air inlet tongue piece and a normally closed air outlet tongue piece are arranged on the sealing valve plate, and the normally closed air inlet tongue piece is positioned between the air nozzle and the first ventilation hole; the normally closed air outlet tongue piece is positioned between the second ventilating hole and the air inlet end of the fourth silencing bin.

In one embodiment, a stop block for preventing the normally closed air inlet tongue piece from being deformed and clamped in the air flow channel is arranged in the middle position of the air nozzle and the air flow channel of the first ventilating hole.

In one embodiment, a boss is convexly arranged in the fourth silencing bin, the top surface of the boss is provided with an air inlet part in a shape like a Chinese character 'tu', the height of the air inlet part gradually increases from one end to the other end, and the normally-closed air outlet tongue piece is positioned between the air inlet part and the second ventilation hole.

In one embodiment, the sealing valve plate is made of elastic silica gel.

The beneficial effect of this application lies in: the external gas firstly passes through the first silencing bin structure in the silencing box to carry out primary noise reduction and silencing, and then enters the second silencing bin structure in the ventilation box to carry out secondary noise reduction and silencing, so that the product achieves the silencing effect; and the gas is guided into the second silencing bin structure through the gas pipe after the first silencing bin structure finishes the first noise reduction and silencing, the gas pipe is exposed outside, and the compressed hot gas effectively dissipates heat after passing through the gas pipe, so that the service life of the product is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a compression pump provided in an embodiment of the present application;

FIG. 2 is a partially exploded view of a compression pump provided in accordance with an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of a compression pump provided in accordance with an embodiment of the present application;

fig. 4 is a perspective view of a ventilation box provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10. base 20 and motor drive device

21. Transformer 22, stator

23. Rotating shaft 24 and fan blades

31. Piston rod 40 and cylinder

41. First and

second transfer ports

42, 42

50. Ventilation box 51, second partition plate

52. Second air inlet nozzle 53 and second air outlet nozzle

54. Gas column 541, second gas tank

542. Positioning slot 55 and air tap

551. Positioning part 56, boss

57. Air inlet 501 and third silencing chamber

502. Fourth silencing bin 60 and silencing box

601. First silencing bin 602 and second silencing bin

603. First air groove 61 and main body

611. First partition plate 62 and box cover

70. Air pipe 80 and sealing valve plate

81. A normally closed inlet tongue 82, a normally closed outlet tongue.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, an embodiment of the present application provides a sound-deadening and noise-reducing medical compression pump, including: the air conditioner includes a base 10, a motor driving device 20, a piston rod 31, an air cylinder 40, a ventilation box 50, and a silencing box 60. The motor driving device 20 is provided at one side of the base 10, and optionally, the motor driving device 20 is provided at a front side of the base 10. The motor driving device 20 includes a transformer 21, a stator 22, a rotating shaft 23, and a fan blade 24, wherein the stator 22 is mounted on the transformer 21, the rotating shaft 23 is mounted on the stator 22, and the fan blade 24 is mounted on one end of the rotating shaft 23.

The cylinder 40 is provided on the other side of the base 10, and optionally, the cylinder 40 is located on the right side of the base 10. One end of the piston rod 31 is connected to the rotating shaft 23, and optionally, the piston rod 31 is connected to the other end of the rotating shaft 23 through an eccentric 32. The other end of the piston rod 31 acts on the cylinder 40, and the other end of the piston rod 31 is an air valve which acts on the cylinder.

The ventilation box 50 is disposed on the cylinder 40, and a ventilation end of the ventilation box 50 is communicated with the cylinder 40, and the ventilation box 50 has a second silencing bin structure therein. The silencing box 60 is located beside the ventilation box 50, a first silencing bin structure is arranged inside the silencing box 60, the air outlet end of the first silencing bin structure is communicated with the air inlet end of the second silencing bin structure through an air pipe 70, and the air pipe 70 is exposed outside.

The outside air firstly passes through the first silencing bin structure in the silencing box 60 to carry out primary noise reduction and silencing, and then enters the second silencing bin structure in the ventilation box 50 to carry out secondary noise reduction and silencing, so that the product achieves the silencing effect; and the gas is guided into the second silencing bin structure through the gas pipe after the first silencing bin structure finishes the first noise reduction and silencing, the gas pipe is exposed outside, and the compressed hot gas effectively dissipates heat after passing through the gas pipe, so that the service life of the product is prolonged.

Optionally, the shape, number and structure of the first silencing bin structure and the second silencing bin structure can be set according to requirements as long as the requirements for silencing and reducing noise of the gas can be met.

In one embodiment, the air tube 70 is a heat-dissipating silicone hose. Of course, the air tube 70 may be made of other heat dissipation materials, which is not limited herein.

In one embodiment, the sound-deadening box 60 comprises a body 61 and a box cover 62, the body 61 is formed by protruding on one side of the base 10, and the body 61 and the cylinder 40 are located on the same side of the base 10, the body 61 is integrally formed on the base 10, which effectively reduces the production cost. First amortization storehouse structure is separated into first amortization storehouse 601 and second amortization storehouse 602 by first baffle 611, has seted up first air groove 603 on the first baffle 611, and first air groove 603 communicates first amortization storehouse 601 and second amortization storehouse 602, and optionally, the area of first air groove 603 is less than the area of first amortization storehouse 601 and second amortization storehouse 602 far away, and first air groove 603 compresses the gas that flows through here and falls the noise.

The box cover 62 covers the first silencing bin 601 and the second silencing bin 602, a first air inlet 621 and a first air outlet 622 are arranged on the outer wall of the box cover 62, one end of the first air inlet 621 is communicated with the outside, and the other end of the first air inlet 621 is communicated with the first silencing bin 601. One end of the first air outlet 622 is communicated with the second silencing bin 602, and the other end is communicated with the air inlet end of the ventilation box 50 through the air pipe 70.

The inside of the ventilation box 50 is divided into a third silencing bin 501 and a fourth silencing bin 502 by a second partition plate 51, the third silencing bin 501 silences the entering gas, and the fourth silencing bin 502 silences the exiting gas. The outer wall of the ventilation box 50 is correspondingly provided with a second air inlet 52 and a second air outlet 53, one end of the second air inlet 52 is communicated with the air pipe 70, and the other end is communicated with the third silencing bin 501. One end of the second air outlet 53 is communicated with the fourth silencing bin 502, and the other end is communicated with the outside. The air outlet end of the third muffling chamber 501 is communicated with the first ventilating hole 41 on the cylinder 40. The intake end of the fourth silencing bin 502 is communicated with the second ventilation holes 42 on the cylinder 40.

The gas forms a ventilation cycle from the outside → the first silencing bin 601 → the second silencing bin 602 → the air pipe → the third silencing bin 501 → the cylinder → the fourth silencing bin 502 → the outside in sequence.

An air column 54 is convexly arranged in the third silencing bin 501, and the upper end of the air column 54 is communicated with the first ventilating hole 41. The gas column 54 is provided with a second gas groove 541, the second gas groove 541 is communicated with the gas column 54 and the third silencing bin 501, and the second gas groove 541 compresses and reduces noise of the gas.

The upper end of the air column 54 is provided with an air nozzle 55, and the air nozzle 55 is clamped between the first ventilating hole 41 and the air column 54; the outer wall of the air nozzle 55 is convexly provided with a positioning portion 551, correspondingly, the inner wall of the air column 54 is concavely provided with a positioning groove 542, and the positioning portion 551 is inserted into the positioning groove 542 for positioning.

A sealing valve plate 80 is clamped between the air cylinder 40 and the ventilation box 50, a normally closed air inlet tongue piece 81 and a normally closed air outlet tongue piece 82 are arranged on the sealing valve plate 80, the normally closed air inlet tongue piece 81 is positioned between the air nozzle 55 and the first ventilation hole 41, and in a normal state, the normally closed air inlet tongue piece 81 seals an air flow channel between the air nozzle 55 and the first ventilation hole 41, so that dust, impurities and the like can be effectively prevented from entering; in the intake state, gas rushes the normally closed intake tongue 81 toward the cylinder 40, so that the gas flow path between the gas nozzle 55 and the first ventilating hole 41 is opened, and the gas enters the cylinder 40 for ventilation.

The normally closed air outlet tongue 82 is located between the second ventilation hole 42 and the air inlet end of the fourth silencing bin 502. Under normal conditions, the normally closed air outlet tongue piece 82 blocks the air flow passage at the air inlet end of the second ventilation hole 42 and the fourth silencing bin 502. In the air outlet state, the air rushes the normally closed air outlet tongue 82 towards the air inlet end of the fourth silencing bin 502, so that the air flow passages between the second ventilating holes 42 and the air inlet end of the fourth silencing bin 502 are opened.

Optionally, the sealing valve plate 80 is made of elastic silica gel, so that when no air flows, the normally closed air inlet tongue 81 and the normally closed air outlet tongue 82 are restored under the action of their own elastic forces, thereby closing the related air flow channels.

The air nozzle 55 and the air flow channel of the first ventilating hole 41 are provided with a stop block for preventing the normally closed air inlet tongue piece 81 from being deformed and clamped in the air flow channel. Of course, the second transfer ports 42 are also provided with corresponding stops.

The fourth silencing bin 502 is provided with a convex plate 56 in an inner protruding manner, the top surface of the convex plate 56 is provided with an air inlet part 57 shaped like the Chinese character 'tu', the height of the air inlet part 57 gradually increases from one end to the other end, and the normally closed air outlet tongue piece 82 is positioned between the air inlet part and the second ventilation hole 42. In the air outlet state, the air rushes open the normally closed air outlet tongue 82 toward the air inlet portion 57, and the normally closed air outlet tongue 82 is attached to the top surface of the air inlet portion 57, so that the second ventilation holes 42 are communicated with the fourth silencing bin 502.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A medical compression pump with noise reduction and noise reduction, characterized by comprising: the device comprises a base, a motor driving device, a piston rod, an air cylinder, a ventilation box and a silencing box; the motor driving device is arranged on one side of the base; the air cylinder is arranged on the other side of the base, one end of the piston rod is connected to one end of an output shaft of the motor driving device, and the other end of the piston rod acts on the air cylinder; the air exchange box is arranged on the air cylinder, an air exchange end of the air exchange box is communicated with the air cylinder, and a second silencing bin structure is arranged inside the air exchange box; the silencing box is located beside the ventilation box, a first silencing bin structure is arranged inside the silencing box, the air outlet end of the first silencing bin structure is communicated with the air inlet end of the second silencing bin structure through an air pipe, and the air pipe is exposed outside.

2. A sound-deadening and noise-reducing medical compression pump as set forth in claim 1, wherein: the trachea is the heat dissipation silica gel hose.

3. A sound-deadening and noise-reducing medical compression pump as set forth in claim 1, wherein: the silencing box comprises a main body and a box cover, wherein the main body is formed by protruding one side of the base, and the main body and the air cylinder are positioned on the same side of the base;

4. A sound-deadening and noise-reducing medical compression pump as set forth in claim 3, wherein: the inner part of the ventilation box is divided into a third silencing bin and a fourth silencing bin by a second partition plate, a second air inlet nozzle and a second air outlet nozzle are correspondingly arranged on the outer wall of the ventilation box, one end of the second air inlet nozzle is communicated with the air pipe, and the other end of the second air inlet nozzle is communicated with the third silencing bin; one end of the second air outlet nozzle is communicated with the fourth silencing bin, and the other end of the second air outlet nozzle is communicated with the outside; the air outlet end of the third silencing bin is communicated with a first ventilating hole in the cylinder; and the air inlet end of the fourth silencing bin is communicated with a second ventilating hole in the cylinder.

5. A sound-muffling and noise-reducing medical compression pump as set forth in claim 4, wherein: an air column is convexly arranged in the third silencing bin, and the upper end of the air column is communicated with the first ventilating hole; and a second air groove is formed in the air column and is communicated with the air column and the third silencing bin.

6. A sound-deadening and noise-reducing medical compression pump as set forth in claim 5, wherein: the upper end of the air column is provided with an air tap which is clamped between the first ventilating hole and the air column; the outer wall of the air tap is convexly provided with a positioning part, correspondingly, the inner wall of the air column is concavely provided with a positioning groove, and the positioning part is inserted into the positioning groove for positioning.

7. A sound-deadening and noise-reducing medical compression pump as set forth in claim 6, wherein: a sealing valve plate is clamped between the air cylinder and the ventilation box, a normally closed air inlet tongue piece and a normally closed air outlet tongue piece are arranged on the sealing valve plate, and the normally closed air inlet tongue piece is positioned between the air nozzle and the first ventilation hole; the normally closed air outlet tongue piece is positioned between the second ventilation hole and the air inlet end of the fourth silencing bin.

8. A sound-deadening and noise-reducing medical compression pump as set forth in claim 7, wherein: and the air nozzle and the middle position of the airflow channel of the first ventilating hole are respectively provided with a stop block for preventing the normally closed air inlet tongue piece from being deformed and clamped in the airflow channel.

9. A sound-deadening and noise-reducing medical compression pump as set forth in claim 7, wherein: the fourth silencing bin is internally provided with a boss in a protruding mode, the top surface of the boss is provided with an air inlet portion in a shape like the Chinese character 'tu', the height of the air inlet portion gradually increases from one end to the other end, and the normally-closed air outlet tongue piece is located between the air inlet portion and the second ventilating hole.

10. A sound-muffling and noise-reducing medical compression pump as set forth in claim 7, wherein: the sealing valve piece is for having elastic silica gel material.