Disposable lung function instrument filter tip

Abstract

The utility model provides a disposable lung function instrument filter tip, relates to medical instrument technical field, including upper cover and lower cover, the top of upper cover passes through sealed connection with first air duct, the bottom of lower cover passes through sealed connection with third air duct, the bottom of upper cover outer wall is fixed with the connecting block, one side of connecting block passes through is equipped with the recess, and the recess passes through the recess. A clamping block is fixed to the top of the outer wall of the lower cover. According to the device, the filter screen and the water filter screen are plugged into the gap between the bottom of the gas blocking ring and the bottom of the lower cover, the upper cover and the lower cover are mutually connected, the upper cover and the lower cover are mutually connected, the connecting block slides on the outer wall of the clamping block, the connecting block expands outwards, and when the upper cover and the lower cover make contact, the clamping block enters the groove and is limited through the clamping block; and the upper cover and the lower cover are connected, so that the effects that the filter is divided into two parts and can be quickly mounted, the filter device can be independently purchased and stored, and the filter is more environment-friendly are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and more specifically, particularly relates to a disposable pulmonary function instrument filter. Background Art

[0002] As the name suggests, it is a medical device that checks and detects the functioning of human lungs. It mainly uses the device to monitor the human body itself. It is mainly used for physical examinations in hospitals. It can help doctors evaluate patients' respiratory function and diagnose and monitor lung diseases.

[0003] Based on the above, the inventors have discovered the following problems: ordinary nozzles cannot filter out moisture and impurities in the airflow, and moisture and impurities will also cause deformation of the pressure sensor during measurement, affecting the measurement results. Current filter tips are usually integral, and it is difficult to set a filtering device inside the integral filter tip. At the same time, the shelf life of the filtering device is shorter than that of the filter tip. Directly producing filter tips with filtering functions will affect the shelf life of the entire filter tip.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a disposable pulmonary function meter filter is provided, in order to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a disposable pulmonary function meter filter to solve the problem that it is difficult to set a filtering device inside the current overall filter, and the shelf life of the filtering device is shorter than that of the filter. Directly producing a filter with a filtering function will affect the shelf life of the entire filter.

[0006] The utility model provides a disposable pulmonary function instrument filter, which is achieved by the following specific technical means:

[0007] A disposable pulmonary function instrument filter comprises an upper cover and a lower cover, wherein the top of the upper cover is penetrated with a first air duct and is sealedly connected thereto, the bottom of the lower cover is penetrated with a third air duct and is sealedly connected thereto, a connecting block is fixed to the bottom of the outer wall of the upper cover, a groove is penetrated on one side of the connecting block, a clamping block is fixed to the top of the outer wall of the lower cover, an air blocking ring is fixed to the top of the inner wall of the lower cover, and a water filter net and a filter net are placed inside the lower cover.

[0008] Furthermore, the inner portions of the upper cover on the side close to the first air duct and the lower cover on the side close to the third air duct are both arranged in an arc shape.

[0009] Furthermore, there are multiple connecting blocks, which are arranged equidistantly around the circumference; there are multiple clamping blocks, which are arranged in a one-to-one correspondence with the multiple connecting blocks; one side of the clamping block is arranged in an inclined state; and the width of the groove is adapted to the width of the clamping block.

[0010] Furthermore, the filter screen is located on the top of the water filter screen, the diameter values ​​of the filter screen and the water filter screen are both matched with the inner wall diameter value of the lower cover, and the top of the filter screen fits with the bottom of the air blocking ring.

[0011] Furthermore, the filter screen is located on the top of the water filter screen, the diameter values ​​of the filter screen and the water filter screen are both matched with the inner wall diameter value of the lower cover, and the top of the filter screen fits with the bottom of the air blocking ring.

[0012] Furthermore, a sealing ring is provided on the outer wall of the third air duct, and a plurality of the sealing rings are provided, and the plurality of sealing rings are arranged vertically and equidistantly.

[0013] Furthermore, a second air guide tube is fixed on the top of the first air guide tube, and the outer wall of the second air guide tube is flat.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, the filter screen and the water filter screen are inserted into the gap between the bottom of the air blocking ring and the bottom of the lower cover, and the upper cover and the lower cover are connected to each other. The upper cover and the lower cover are connected to each other, and the connecting block slides on the outer wall of the card block, and the connecting block expands outward. When the upper cover and the lower cover touch, the card block enters the groove, and the connecting block is limited by the card block. The upper cover and the lower cover are connected, so that the upper cover and the lower cover are connected, thereby achieving the effect of being divided into two parts. At the same time, it can be quickly installed, and the filter device can be purchased and stored separately, which is more environmentally friendly.

[0016] 2. In the utility model, the filter net and the water filter net are limited by the air blocking ring. When in use, the filter net filters impurities and absorbs moisture through the water filter net, thereby achieving the filtering function and making the detection result more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the upper cover of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the lower cover of the utility model.

[0020] Figure 4 It is a schematic diagram of the disassembly of the internal structure of the lower cover of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Upper cover; 2. First air duct; 3. Second air duct; 4. Connecting block; 5. Groove; 6. Lower cover; 7. Third air duct; 8. Sealing ring; 9. Air blocking ring; 10. Block; 11. Water filter; 12. Filter. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, “plurality” means two or more; in addition, the terms “first”, “second”, “third”, etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] Example:

[0026] As attached Figure 1 To Attachment Figure 4 As shown:

[0027] The utility model provides a disposable pulmonary function instrument filter, comprising an upper cover 1 and a lower cover 6, wherein a first air guide tube 2 is penetrated through the top of the upper cover 1 and is sealed and connected thereto, a third air guide tube 7 is penetrated through the bottom of the lower cover 6 and is sealed and connected thereto, a connecting block 4 is fixed to the bottom of the outer wall of the upper cover 1, a groove 5 is penetrated through one side of the connecting block 4, a clamping block 10 is fixed to the top of the outer wall of the lower cover 6, an air blocking ring 9 is fixed to the top of the inner wall of the lower cover 6, and a water filter net 11 and a filter net 12 are placed inside the lower cover 6.

[0028] The upper cover 1 near the first air duct 2 and the lower cover 6 near the third air duct 7 are both arc-shaped. The arc-shaped upper cover 1 and lower cover 2 can better guide the gas inside the first air duct 2 into the third air duct 7.

[0029] Among them, there are multiple connecting blocks 4, and the multiple connecting blocks 4 are arranged equidistantly on the circumference. There are multiple card blocks 10, and the multiple card blocks 10 and the multiple connecting blocks 4 are arranged in a one-to-one correspondence. One side of the card block 10 is arranged in an inclined state. The width value of the groove 5 is adapted to the width value of the card block 10. The material of the connecting block 4 is polyethylene plastic, which has a certain elasticity. When the upper cover 1 and the lower cover 6 are connected to each other, the connecting block 4 slides on the outer wall of the card block 10, and the connecting block 4 expands outward. When the upper cover 1 and the lower cover 6 touch each other, the card block 10 enters the groove 5, and the connecting block 4 is limited by the card block 10, so that the upper cover 1 and the lower cover 6 are connected.

[0030] Among them, the filter net 12 is located at the top of the water filter net 11, and the diameter values ​​of the filter net 12 and the water filter net 11 are adapted to the inner wall diameter value of the lower cover 6. The top of the filter net 12 fits with the bottom of the air blocking ring 9, and the impurities are filtered through the filter net 12, and the water is absorbed by the water filter net 11, and the filter net 12 and the water filter net 11 are plugged into the gap between the bottom of the air blocking ring 9 and the bottom of the lower cover 6.

[0031] Among them, the bottom of the air blocking ring 9 and the middle of the lower cover 6 are located in the same horizontal plane, and the top of the air blocking ring 9 and the middle of the upper cover 1 are located in the same horizontal plane. The air blocking ring 9 is used to block the gap between the upper cover 1 and the lower cover 6 to prevent gas from leaking from the gap between the upper cover 1 and the lower cover 6 during detection.

[0032] Among them, a sealing ring 8 is arranged on the outer wall of the third air duct 7. There are multiple sealing rings 8, and the multiple sealing rings 8 are arranged vertically and equidistantly. The sealing rings 8 provide better sealing performance when the third air duct 7 is connected to the detection instrument.

[0033] Among them, a second air duct 3 is fixed on the top of the first air duct 2, and the outer wall of the second air duct 3 is arranged in a flat shape. The flat second air duct 3 fits better with the human mouth and can perform blowing better.

[0034] The specific usage and function of this embodiment are as follows:

[0035] In the utility model, before the detection, the filter screen 12 and the water filter screen 11 are first inserted into the gap between the bottom of the air blocking ring 9 and the bottom of the lower cover 6, the filter screen 12 is located above the water filter screen 11, and the air blocking ring 9 is used to limit the filter screen 12 and the water filter screen 11, and then the upper cover 1 and the lower cover 6 are connected to each other, the upper cover 1 and the lower cover 6 are connected to each other, the connecting block 4 slides on the outer wall of the card block 10, and the connecting block 4 expands outward. When the upper cover 1 and the lower cover 6 touch, the card block 10 enters the groove 5 at this time, and the connecting block 4 is limited by the card block 10, and the upper cover 1 and the lower cover 6 are connected. The upper cover 1 and the lower cover 6 can be connected, and the third air duct 7 is connected to the detection instrument. The provided sealing ring 8 makes the third air duct 7 have better sealing performance when connected to the detection instrument. The second air duct 3 is put into the mouth for blowing. The flat second air duct 3 fits the human mouth better and can be blown better. The gap between the upper cover 1 and the lower cover 6 is blocked by the air blocking ring 9 to prevent gas from leaking from the gap between the upper cover 1 and the lower cover 6 during detection. Impurities are filtered out by the filter net 12, and moisture is absorbed by the water filter net 11.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A disposable pulmonary function instrument filter, comprising an upper cover (1) and a lower cover (6), wherein the top of the upper cover (1) is penetrated by a first air duct (2) and is sealed and connected thereto, and the bottom of the lower cover (6) is penetrated by a third air duct (7) and is sealed and connected thereto, wherein: A connecting block (4) is fixed at the bottom of the outer wall of the upper cover (1), a groove (5) is penetrated through one side of the connecting block (4), a clamping block (10) is fixed at the top of the outer wall of the lower cover (6), an air blocking ring (9) is fixed at the top of the inner wall of the lower cover (6), and a water filter net (11) and a filter net (12) are placed inside the lower cover (6).

2. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: The interiors of the upper cover (1) on the side close to the first air duct (2) and the lower cover (6) on the side close to the third air duct (7) are both arranged in an arc shape.

3. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: A plurality of the connecting blocks (4) are provided, and the plurality of the connecting blocks (4) are arranged equidistantly on a circle. A plurality of the clamping blocks (10) are provided, and the plurality of the clamping blocks (10) and the plurality of the connecting blocks (4) are arranged in a one-to-one correspondence. One side of the clamping block (10) is arranged in an inclined shape, and the width of the groove (5) is adapted to the width of the clamping block (10).

4. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: The filter screen (12) is located at the top of the water filter screen (11); the diameters of the filter screen (12) and the water filter screen (11) are both compatible with the inner wall diameter of the lower cover (6); the top of the filter screen (12) fits with the bottom of the air blocking ring (9).

5. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: The bottom of the air blocking ring (9) and the middle of the lower cover (6) are located at the same horizontal plane, and the top of the air blocking ring (9) and the middle of the upper cover (1) are located at the same horizontal plane.

6. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: The outer wall of the third air guide tube (7) is provided with a sealing ring (8), and a plurality of the sealing rings (8) are provided, and the plurality of sealing rings (8) are arranged vertically and equidistantly.

7. A disposable pulmonary function tester filter as claimed in claim 1, characterized in that: A second air guide tube (3) is fixed on the top of the first air guide tube (2), and the outer wall of the second air guide tube (3) is arranged in a flat shape.

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